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  • 4501.
    Trinh, LanAnh
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Curuklu, Baran
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Ekström, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Dependability for Autonomous Control with a Probability Approach2017In: ERCIM News, ISSN 0926-4981, E-ISSN 1564-0094, no 109, p. 22-23Article in journal (Other academic)
    Abstract [en]

    For the last decade, dependability - the ability to offer a service that can be trusted - has been the focus of much research, and is of particular interest when designing and building systems. We are developing a dependable framework for an autonomous system and its control.

  • 4502.
    Trinh, LanAnh
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Ekström, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Curuklu, Baran
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Dipole Flow Field for Dependable Path Planning of Multiple Agents2017In: IEEE/RSJ International Conference on Intelligent Robots and Systems IROS, 2017Conference paper (Refereed)
  • 4503.
    Trinh, LanAnh
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Ekström, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Curuklu, Baran
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Toward Shared Working Space of Human and Robotic Agents Through Dipole Flow Field for Dependable Path Planning2018In: Frontiers in Neurorobotics, ISSN 1662-5218, Vol. 12, article id 28Article in journal (Refereed)
    Abstract [en]

    Recent industrial developments in autonomous systems, or agents, which assume that humans and the agents share the same space or even work in close proximity, open for new challenges in robotics, especially in motion planning and control. In these settings, the control system should be able to provide these agents a reliable path following control when they are working in a group or in collaboration with one or several humans in complex and dynamic environments. In such scenarios, these agents are not only moving to reach their goals, i.e., locations, they are also aware of the movements of other entities to find a collision-free path. Thus, this paper proposes a dependable, i.e, safe, reliable and effective, path planning algorithm for a group of agents that share their working space with humans. Firstly, the method employs the Theta* algorithm to initialize the paths from a starting point to a goal for a set of agents. As Theta* algorithm is computationally heavy, it only reruns when there is a significant change of the environment. To deal with the movements of the agents, a static flow field along the configured path is defined. This field is used by the agents to navigate and reach their goals even if the planned trajectories are changed. Secondly, a dipole field is calculated to avoid the collision of agents with other agents and human subjects. In this approach, each agent is assumed to be a source of a magnetic dipole field in which the magnetic moment is aligned with the moving direction of the agent. The magnetic dipole-dipole interactions between these agents generate repulsive forces to help them to avoid collision. The effectiveness of the proposed approach has been evaluated with extensive simulations. The results show that the static flow field is able to drive agents to the goals with a small number of requirements to update the path of agents. Meanwhile, the dipole flow field plays an important role to prevent collisions. The combination of these two fields results in a safe path planning algorithm, with a deterministic outcome, to navigate agents to their desired goals.

  • 4504.
    Trobec, R.
    et al.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Lead theory of differential leads and synthesis of the standard 12-lead ECG2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 77-100Chapter in book (Refereed)
    Abstract [en]

    In this chapter, the lead theory of differential leads is presented. A differential lead is an ECG lead obtained from two closely positioned electrodes on the body surface. It can be measured with an ECG body sensor. The theoretical background is needed to gain a formal and intuitive understanding of what is measured with differential leads, as well as to elaborate how the standard 12-lead ECG can be synthesized from three differential leads. The 12-lead ECG synthesis is based on the dipole volume source model. After introducing the dipole model, the Burger’s equation is derived and the concept of lead vector defined. We describe how to derive lead vectors from known heart vector and, vice versa, how to obtain the heart vector from known lead vectors. Then, the concepts of image surface and lead field are introduced, followed with a description of the lead field of a differential lead. Next, the theory and methods for ECG leads synthesis from differential leads is presented. The chapter concludes with a discussion on the evaluation and personalization of the synthesis. 

  • 4505.
    Trobec, R.
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Commercial ECG systems2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 101-114Chapter in book (Refereed)
    Abstract [en]

    Besides the standard 12-lead ECG and the Holter monitor, today the market offers a wide range of modern ECG devices and services supported by the latest developments in ICT. This chapter is devoted to the current state-of-the-art from the area of ECG with a reduced number of leads. We focus on ECG wireless body sensors, differentiating between those that measure only heart rate and are used just for entertainment or during sport activities, and those that actually measure and analyze the ECG signal, with all its waveforms. The latter are elaborated in more detail, particularly our differential ECG sensor and its commercial version Savvy, for which we provide also a comprehensive comparison to other state-of-the-art sensors in that field. It is, however, inevitable that the state-of-the art will change in the future. The constant progress in ICT will always drive the development of new and improved ECG devices. 

  • 4506.
    Trobec, R.
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    ECG pilot studies2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 61-75Chapter in book (Refereed)
    Abstract [en]

    The use of wireless ECG body sensors in two pilot studies is presented. The first study, running at the Department of Cardiovascular Surgery of the University Medical Centre Ljubljana, is focused on the investigation of postoperative atrial fibrillation. The patients are monitored with wireless ECG body sensors one day before and five days after the surgery. The second study has been established at the primary care level in the Community Health Centre Ljubljana, with the intention to establish heart rhythm screening. As both studies are still in progress, we present just their setup and some interesting findings that emerged in their starting phase. Based on evidences from long-term ECG measurements, we identify several still open ECG research questions that could utilize the vast amount of long ECG recordings obtained from the pilot studies. 

  • 4507.
    Trobec, R.
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Final remarks and conclusions2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 115-119Chapter in book (Refereed)
    Abstract [en]

    The content of our book, devoted to body sensors and their implications to electrocardiography, is recapitulated with this chapter. The identified challenges in long-term ECG data analytics are discussed. Based on the presented material, the near future of mHealth perspectives is foreseen regarding the technology, the usability, and the potential of increased users’ awareness for their own health. 

  • 4508.
    Trobec, R.
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    From multichannel ECG to wireless body sensors2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 13-35Chapter in book (Refereed)
    Abstract [en]

    A more detailed description of multichannel electrocardiography and the differential lead aims to clarify why the multichannel ECG opens a path towards implementation of wireless wearable sensors. Several ways of how the differential lead could be used for heart rhythm monitoring are shown with options for analysis and interpretation of sensor ECG measurements. Finally, the most important vital signs that could be provided by a multifunctional body sensor are presented.

  • 4509.
    Trobec, R.
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Introduction2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 1-12Chapter in book (Refereed)
    Abstract [en]

    The motivation and goals for the development of mobile health solutions are presented. Short history and background of the electrocardiography provide basic principles and facts related to the heart activity and elucidate the path from the measurement of conventional electrocardiogram to the monitoring of the heart by wireless body sensors. A bipolar differential lead is introduced, which has enabled the implementation of a small body sensor for capturing electric potential differences on the skin. The chapter concludes with guidelines on how to read this book and with a short overview of all book chapters.

  • 4510.
    Trobec, R.
    et al.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, A.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Depolli, M.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, V.
    Joef Stefan Institute, Ljubljana, Slovenia.
    Software for an mHealth system2018In: SpringerBriefs in Applied Sciences and Technology, Springer Verlag , 2018, no 9783319593388, p. 37-59Chapter in book (Refereed)
    Abstract [en]

    A description of software requirements for an mHealth system is provided. Several layers of software are required for proper system functioning: ECG body sensor firmware, applications on smartphones, Cloud applications, and stand-alone applications for personal computers. The main functionality requirements of the mHealth software are described. Additionally, approaches for fulfilling those requirements are proposed.

  • 4511.
    Trobec, Roman
    et al.
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Avbelj, Viktor
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Stanic, Uros
    BRIS, Puhova Ul 10, Ljubljana 1000, Slovenia..
    Depolli, Matjaz
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Rashkovska, Aleksandra
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Kristofelc, Tomaz
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Bregar, Klemen
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    Kosec, Gregor
    Jozef Stefan Inst, Jamova Cesta 39, Ljubljana 1000, Slovenia..
    System for Mobile Monitoring of Vital Functions and Environmental Context2017In: BIOSENSORS 2016 / [ed] Turner, A Tang, A, ELSEVIER SCIENCE BV , 2017, p. 157-158Conference paper (Refereed)
    Abstract [en]

    The use of ICT in the health care system is aimed to increase efficacy and decrease costs. We have designed a system and services for mobile monitoring of vital physiological parameters and environmental context. The system is based on a small multi-functional wireless body sensor for simultaneous measurement of ECG, temperature, heart rate, respiration rate, and movement. The sensor is wirelessly connected through Bluetooth Smart to a Smartphone. When necessary, the measurements are transferred to a server and can be accessed by authorized personnel. The contribution of the system to improved quality and efficiency of medical care is validated and estimated through several pilot studies.

  • 4512.
    Trobec, Roman
    et al.
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Tomasic, Ivan
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Rashkovska, Aleksandra
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Depolli, Matjaž
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Avbelj, Viktor
    Jožef Stefan Institute, Ljubljana, Slovenia.
    Body Sensors and Electrocardiography2017Book (Other academic)
  • 4513.
    Trolle, Julia
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Abdelkarim, Sofia
    Mälardalen University, School of Innovation, Design and Engineering.
    Launch site for new products and variants: Meaning and implications for SKF Factory Gothenburg 2017Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    The immense increase in customer consumption and demand sets the escalation for the globalization and world trade. Manufacturing companies need to expand their network with geographically distributed sites, factories and functions in order to create competitive advantages. Various subsidiaries create an advanced global network consisting of different markets, conditions and regulations that need to be taken into account when adapting and managing the network. This implicates a necessity for companies to be able to organize every subsidiary to its own specific role for creating possibilities to focus and become experts in a specific field which can increase company competitiveness. Commonly one site or factory within this vast intra-firm network is considered as strategically important and serves as a central knowledge hub and intermediary, usually called a "Core Plant" or "Lead factory". Furthermore this subsidiary can also be responsible for launching new products or variants with significant strategical importance for the entire corporation, described as a "Launch Site". To adapt every factory to different roles can create tensions and competitiveness within the intra-firm network, not doing so can create confusion about ownership, responsibilities, development halter and result in customer blindness. This thesis aims to investigate the meaning for a factory that already works as a knowledge hub and intermediary to be appointed as a launch site for new products and product variants.

    In order to approach the aim of this thesis, following research questions has been answered:

    1. What is the most suiting term for a factory that launches new products and variants?

    2. Who are the stakeholders affected by a launch site appointment?

    3. What are the stakeholders’ expectations on a launch Site?

    4. What features and processes needs to be in place in order for a factory to be appointed as a launch Site?

    5. What competence and working skills are needed to perform the features and processes?

    6. What are the benefits and challenges of being a launch Site?

    7. How should the global development work executed by a launch site be financially structured?

    In order to investigate the area, a case study applied to a Swedish bearing manufacturer with a vast intra-firm network – SKF, has been conducted. Multiple interviews, participating observations and a questionnaire have been executed at the case company site in Gothenburg for collecting information. A benchmarking study has been conducted for gathering an external view on a company that already works as a launch site. The benchmarking study was applied for AstraZeneca in Södertälje and was made through a semi-structured interview. A literature study was made in order to gather relevant theoretical information linked to the research area for validating research connectivity. The empirical results together with the theoretical framework were merged together in a analysis for answering the research aim and questions.

    The research concluding results indicate that SKF already works as a launch site and have the required competence for managing the entailing responsibilities as a launch site. The specific launch site definition for SKF Gothenburg Factory would be to; implement and launch new products and variants. This also implies a responsibility for developing new processes and techniques adapted to these products. The number one stakeholders affected by a launch site appointment would be the subsidiaries within the same SKF cluster, the Factory Management and the Engineering and Development Department located in the Gothenburg factory. Further recommendations would be to strengthen the competence and workforce within these departments and further divide development work into; global and local for keeping track of the work executed and facilitate for economic distributions among subsidiaries.

  • 4514.
    Trolle, Julia
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Gradin, Beata
    Mälardalen University, School of Innovation, Design and Engineering.
    Förbättringsarbete för projektprocesser - Kommunicera, strukturera, standardisera.2016Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Today it is required that industrial companies are continuously searching for new improvementopportunities to streamline processes so that they can be competitive on the market. One way to succeed is to standardize and map processes to structure the work and clarify possible weaknesses.The purpose of this study is to examine the problems and uncertainties in the project-process which can be reduced, dealing with new projects. Which project-models and standardizations should be established for the project-process to achieve a maximum flow through the project. The goal of the study is that these project-models and standardizations in turn will facilitate the management of projects by clarifying responsibilities, support communication, and reduce uncertainties. To reach an answer three questions has been raised:- How can implementing project-models improve the existing project-process, dealing with new projects?- How can standardized templates and checklists be used to reduce uncertainties and problems in a project-process?- What measures should take place to eliminate the loss of information between differentdepartment within an organization and between external parties?

    This study has been executed according to Six Sigma’s systematic methology DMAIC that facilitated and clarified the studys structure and planning. Through this method the study has been divided into five natural stages. The study is bases on both primary and secondary-data.

    In the study result it showed that there are several factors which are limiting the project-process flow. One factor that turned out to be a very considerable for a well-functioning project processwas communication between all parties. This covers both internally and externally. Defective communication leads to uncertainties in the responsibilities, work duties and increased lack ofessential information/data. Through the implementation of standardized project-models such as Flowchart and a Kanban-board could work duties, responsibilities and information become clarified and uncertainties be reduced. 

  • 4515.
    Trollsfjord, Pia
    Mälardalen University, School of Innovation, Design and Engineering. 1971.
    Införande av lean inom industriella administrativa stödprocesser med fokus på visuell styrning: En fallstudie på ABB GA Products2016Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Purpose: The aim of the study is to investigate how industrial administrative support processes and visual control can be streamlined, visualized and communicated by the introduction of lean.  To be able to answer the aim of the study, three research questions have been formulated:

    1. Which non-value adding activities are limiting the efficiency of the administrative support processes and the visual control, within the industrial orders and shipping departments?

    2. How can the support processes and visual control within the industrial orders and shipping departments, potentially be streamlined, visualized and communicated by the introduction of lean?

    3. By the introduction of lean, what potential metrics will visualize and communicate the industrial administration support processes within orders and shipping departments?

    Methodology: A case study, a benchmarking study and literature review have been performed in order to answer the research questions. The literature review is based on a study of lean from a strategic and operational perspective, with a main focus on support processes and visual control. The case study was based on value stream mapping of support processes combined with observations and interviews in the area of visual control and visualization of workplace and information. Furthermore, the benchmarking study was based on observations and interviews of performed lean transformation and visual control. Collected data from the case study and benchmarking study have been analysed with the support of the literature.

    Findings: Non-value adding activities that are restricting the efficiency of the support processes and visual control, were identified and present opportunities for improvements. The support processes had different wastes, lacked guiding principles and were found to be unstable and unstandardized. The lack of visual control could be traced back to the lack of structure and design of daily meetings, control boards, suitable lean metrics and management of identified challenges. Factors like absence of framework for continuous improvements and visual workplaces and information, were identified. A new structured and pedagogical design was proposed. The new design include an introduction of lean within management, the design of an action plan, the selection of guiding principles and a redesign of value streams. Furthermore, the proposed design include a new design of daily meetings, control boards, lean metrics and a new framework for continuous improvements and visualisation of workplace and information in order to streamline and visualize support processes and visual control.

    Implications: The purpose of the research study has been achieved by solving the research questions. By the identification of non-value adding activities a new efficient design has been proposed. However, only one case study was performed, therefore its ability to create scientific value, can be regarded as limited.

    Recommendations: For further studies, it would be of interest to study several businesses with similar problems in order to increase the generalizability of the study and the ability to create scientific value.

  • 4516.
    Trollvad, Henrik
    Mälardalen University, School of Innovation, Design and Engineering.
    Design av basförstärkare: Examensarbete produktutveckling2009Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
    Abstract [sv]

    Denna rapport behandlar ett examensarbete på D-nivå inom produkt ochprocessutveckling utfört av en student på Mälardalens högskola från oktober 2008 tillmars 2009. Examensarbetet utfördes i samarbete med det svenska företaget EBSSweden AB. Detta är en censurerad version av den fullständiga rapporten. Bilder påden färdiga designen samt vissa bilder från konceptgenereringen är borttagna på EBSbegäran. Även ritningsunderlaget i bilagorna är borttagna.EBS utvecklar förstärkare, högtalare, effektpedaler samt annan utrustning förprofessionella och halvprofessionella basister.Syftet med examensarbetet var att formge en basförstärkare med fokus påanvändarvänlighet och ergonomi kopplat till ett specifikt företag och deraskundgrupp. Förstärkaren skulle vara programmerbar och dess utseende skulle gå attförändra för att passa olika basister alternativt en basists olika behov på visuelltuttryck. Examensarbetet gav studenten en möjlighet att applicera kunskaper sominhämtats under studietiden på ett skarpt projekt utanför högskolan.Examensarbetet inleddes med en förstudie där en enkätundersökning gjordes med depotentiella kunderna/användarna. Utöver detta studerades även EBS produktkatalogoch en analys gjordes av deras konkurrenter i den aktuella produktkategorin.Ett konceptförslag på förstärkarens design togs fram genom nyttjandet av fleraproduktutvecklingsverktyg och informationen från förstudien.Resultatet blev en kompakt förstärkare vars utseende är kraftfullt men ändå attraktivtför olika typer av basister. Förstärkarens utseende kan anpassas för olika behovgenom rackmontering med hjälp av rackvinklar och montering i en specialanpassadlåda för rockbasister som vill ha ett mer klassiskt utseende.Slutsatserna av examensarbetet visar att det finns många delade meningar omdesignen av EBS förstärkare. Detta gör att det finns mycket för EBS att vinna på attutveckla en förstärkare vars utseende går att byta.Det finns även mycket att vinna med den flexibilitet en programmerbar förstärkaremedför. Men denna funktion medför även svårigheter för användaren. EBSrekommenderas där att kartlägga hur stort behovet för denna funktion är så att denkan optimeras för bästa möjliga användarvänlighet.

  • 4517.
    Tsagarakis, Mikis
    Mälardalen University, School of Innovation, Design and Engineering.
    Project Solaris - Analysis of airfoil for solar powered flying wing UAV2011Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This study is part of the second phase of the Solaris project, where the aim is to develop a solar powered Unmanned Aerial Vehicle (UAV). The second phase involves the design and optimization of the aircraft. One of the important focuses in this phase is the determination of the airfoils shape. This report sole objective is to determine which airfoil that is best suited for the aircraft, as well as presenting the airfoils characteristic properties, in comparison to other similarly airfoils.This analysis has been carried out using XFOIL, an airfoil analysis tool developed by the MIT professor Mark Drela.

    What has been done in this report:

    • Comparison between a number of potential airfoils.
    • Determination of the winner airfoil.
    • Comparison between the winner airfoil and a conventional (non-reflexed trailing edge) airfoil.
    • Calculation of the hinge moments on the winner airfoil for different flap settings.

    Winner airfoil:

    The Phoenix (Phönix) turned out to be the best airfoil in the comparison, closely followed by the S5020 and the S5010. Phoenix had the highest value of the parameter sought to optimize, which is endurance (CL 3/2/ CD).

    Phoenix maximum endurance (CL 3/2/ CD) for five different Reynold numbers:

               Re       Endurance 

    • 400.000     85,64  
    • 300.000     78,26  
    • 200.000     67,74  
    • 100.000     49,47  
    • 50.000       25,52 

    Phoenix geometry:

    • Maximum thickness (in percentage of chord): 8,194%
    • Maximum camber (in percentage of chord): 2,774%
  • 4518.
    Tsai, Dun-Hou
    et al.
    Dept. of Business Management, National Sun Yat-sen University, Taiwan.
    Johansson, Anders W
    Mälardalen University, School of Innovation, Design and Engineering.
    Lin, Shao-Yi
    Dept. of Business Management, National Sun Yat-sen University, Taiwan.
    Kao, Ming-Re
    Dept. of Business Management, National Sun Yat-sen University, Taiwan.
    Stories within and behind the story: A representation of entrepreneurial process2009In: Critical Management Studies, Warwick 2009, 2009Conference paper (Refereed)
    Abstract [en]

    This paper uses a narrative approach to represent entrepreneurial process. It is a story about a specific process taking place in Yan-shuei, Taiwan, which is built upon a single entrepreneur and the people around him; what they did when they were“ entrepreneuring.” Within the story there are also other stories representing the researchers’ own experiences of entrepreneurial processes. As well, behind the story there is a story about The Moon Port City which relates to ancient times. Theories inspiring a process theory of entrepreneurship mark the beginning of the story. The middle is made up by the three main stories within the story as a whole. At the end the authors explain in what ways the narrative approach has emphasized entrepreneurial process.

  • 4519.
    Tsiftes, Nicolas
    et al.
    SICS Swedish ICT, Kista, Sweden.
    Duquennoy, Simon
    SICS Swedish ICT, Kista, Sweden.
    Voigt, Thiemo
    SICS Swedish ICT, Kista, Sweden.
    Ahmed, Mobyen Uddin
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Köckemann, Uwe
    Örebro University, Örebro, Sweden.
    Loutfi, Amy
    Örebro University, Örebro, Sweden.
    The E-Care@Home Infrastructure for IoT-Enabled Healthcare2016In: Internet of Things Technologies for HealthCare. HealthyIoT 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 187., Springer, 2016, p. 138-140Conference paper (Refereed)
    Abstract [en]

    The E-Care@Home Project aims at providing a comprehensive IoT-based healthcare system, including state-of-the-art communication protocols and high-level analysis of data from various types of sensors. With this poster, we present its novel technical infrastructure, consisting of low-power IPv6 networking, sensors for health monitoring, and resource-efficient software, that is used to gather data from elderly patients and their surrounding environment.

  • 4520.
    Tsog, Nandinbaatar
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Becker, Matthias
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Larsson, Marcus
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Bruhn, Fredrik
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Behnam, Moris
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Sjödin, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems. Malardalen Univ, Sch Innovat Design & Engn, DPAC Res Profile, Vasteras, Sweden..
    Poster Abstract: Real-Time Capabilities of HSA Compliant COTS Platforms2016In: PROCEEDINGS OF 2016 IEEE REAL-TIME SYSTEMS SYMPOSIUM (RTSS), 2016, p. 364-364Conference paper (Refereed)
    Abstract [en]

    During recent years, the interest in using heterogeneous computing architecture in industrial applications has increased dramatically. These architectures provide the computational power that makes them attractive for many industrial applications. However, most of these existing heterogeneous architectures suffer from the following limitations: difficulties of heterogeneous parallel programming and high communication cost between the computing units. To overcome these disadvantages, several leading hardware manufacturers have formed the HSA Foundation to develop a new hardware architecture: Heterogeneous System Architecture (HSA). In this paper, we investigate the suitability of using HSA for real-time embedded systems. A preliminary experimental study has been conducted to measure massive computing power and timing predictability of HSA.

  • 4521.
    Tsog, Nandinbaatar
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Becker, Matthias
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Larsson, Marcus
    Bruhn, Fredrik
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Behnam, Moris
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Sjödin, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Real-Time Capabilities of HSA Compliant COTS Platforms2016In: 37th IEEE Real-Time Systems Symposium Work-in-Progress (WiP) session RTSS'16, 2016, article id 7809871Conference paper (Refereed)
    Abstract [en]

    During recent years, the interest in using heterogeneous computing architecture in industrial applications has increased dramatically. These architectures provide the computational power that makes them attractive for many industrial applications. However, most of these existing heterogeneous architectures suffer from the following limitations: difficulties of heterogeneous parallel programming and high communication cost between the computing units. To overcome these disadvantages, several leading hardware manufacturers have formed the HSA Foundation to develop a new hardware architecture: Heterogeneous System Architecture (HSA). In this paper, we investigate the suitability of using HSA for real-time embedded systems. A preliminary experimental study has been conducted to measure massive computing power and timing predictability of HSA.

  • 4522.
    Tsog, Nandinbaatar
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Behnam, Moris
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Nolin, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Bruhn, Fredrik
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Intelligent Data Processing using In-Orbit Advanced Algorithms on Heterogeneous System ArchitectureIn: IEEE Aerospace Conference 2018 IEEEAC2018Conference paper (Refereed)
  • 4523.
    Tsog, Nandinbaatar
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Larsson, Marcus
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    TIME PREDICTABILITY OF GPU KERNEL ON AN HSA COMPLIANT PLATFORM2016Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    During recent years, the importance of utilizing more computational power in smaller computersystems has increased. The utilization of more computational power in smaller packages, the abil-ity to combine more than one type of processor unit has become more popular in the industry. By combining, one achieves more power efficiency as well as gain more computational power insmaller area. However, heterogeneous programming has proved to be difficult, and that makes soft-ware developers diverge from learning heterogeneous programming languages. This has motivatedHSA foundation to develop a new hardware architecture, called Heterogeneous System Architecture(HSA). This architecture brings features that make the process of heterogeneous programming de-velopment more accessible, efficient, and easier to the software developers. The purpose of thisthesis is to investigate this new architecture, to learn and observe the timing characteristics of atask running a parallel region (a kernel) on a GPU in an HSA compliant system. With an objectiveto gain more knowledge, four test cases have been developed to collect time data and to analyzethe time of the code executed on the GPU. These are: comparison between CPU and GPU, tim-ing predictability of parallel periodic tasks, schedulability in HSA, and memory copy. Based onthe results of the analysis, it has been concluded that the HSA has potential to be very attractivefor developing heterogeneous programs due to its more streamlined infrastructure. It is easier toadapt, requires less knowledge regarding the underlying hardware, and the software developers canuse their preferred programming languages, instead of learning new programming framework, suchas OpenCL. However, since the architecture is new, there are bugs and HSA features that are yetto be incorporated into the drivers. Performance wise, HSA is faster compared to legacy methods,but lacks in providing consistent time predictability, which is important for real-time systems.

  • 4524.
    Tsog, Nandinbaatar
    et al.
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Sjödin, Mikael
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Bruhn, Fredrik
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Advancing On-Board Big Data Processing Using Heterogeneous System Architecture2018In: ESA/CNES 4S Symposium 4S 2018, 2018Conference paper (Refereed)
  • 4525.
    Tumkur, Anand AswathaNarayana
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Dutta, Avijit
    Mälardalen University, School of Innovation, Design and Engineering.
    PROTOCOL PERFORMANCE MEASUREMENT METHODOLOGY - EXPERIMENTATION WITH SIGNALING SYSTEM NO 72009Independent thesis Advanced level (degree of Master (One Year)), 20 credits / 30 HE creditsStudent thesis
    Abstract [en]

    Performance is the driving force for the effective network utilization in the current telecommunication world. The thesis aims to define suitable performance measurement methodologies for communication over stack based Signalling System No 7 (SS7). This thesis also throws a quick glance on open source SS7 and Ericsson proprietary SS7 protocols, to devise performance measurement approach that can be adopted to develop sophisticated tools. We adopt a scientific experimental approach for numerical measurement of throughput and latency of the protocol stack. Our current work finishes experimentation with open source SS7 protocol (SCTP) in Fedora based two identical servers. SCTP (Stream Control Transmission Protocol) is an important transport layer protocol for communication of SS7 message over an IP network. Message communication using SCTP protocol over an IP/Ethernet network between these two identical servers has been measured and analyzed using the IPerf tool. TCP (Transmission Control Protocol) being another important transport layer protocol of TCP/IP stack, the performance of TCP is compared with SCTP. The results prove that under normal circumstances TCP gains over SCTP and our analysis support that under multi homing support, SCTP should gain over TCP when throughput is measured

  • 4526.
    Tunc, Fidel
    Mälardalen University, School of Innovation, Design and Engineering.
    Fastställande av SB/AD-status för SE-KOL och överföring till ett bättre uppföljningssystem2013Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Tidigare utförda servicebulletiner och luftvärdighetsdirektiv på flygplanet SE-KOL finns nedförda och redovisade i handskrivna dokument. För att på ett enkelt och smidigt sätt kunna ta fram status avseende SB och AD har innehållet i handskrivna originalhandlingar överförts till ett digitalt system i vilket utförda åtgärder blivit överskådliga och sökbara. Rapporten beskriver det överföringsarbete som legat till grund för den digitala listan samt det granskningsarbete som gjorts mellan utförda åtgärder och originaldokument från luftfartsmyndigheter och tillverkare, för att fastställa SB/AD-status för flygplan SE-KOL.

    Utifrån tidigare utrustningslistor, datalistor och tekniska dokument har en uppdaterad utrustningslista sammanställts med ökad överskådlighet samt sökbarhet, ur vilken information om flygplanets fortlöpande utrustningsstatus kan tas fram. Utrustningslistan som skapats är det underlag som senare tänkt användas vid överföring av flygplanets utrustning till ett bättre uppföljningssystem.

  • 4527.
    Turborn, Michael
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Uppströmer, Christoffer
    Mälardalen University, School of Innovation, Design and Engineering.
    Utveckling av kursmaterial för kursen Flygmotorunderhåll, Mälardalens Högskola2012Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Mälardalen University has repeatedly been criticized by students, regarding course material, in the course aero engine maintenance, MFL013. The course has a good reputation and is appreciated by many students. The course material has previously consisted of a cover in which only scheme of lesson presentation existed. There has not existed any digital material or slideshows which students have had access to.

    With this background the development of a thesis started, that consisted of the writing of a new compendium including illustrations and continuous text as well as digital slideshows.

    Ivar Östberg, hired teacher at the university and engineer at Recotech AB, has been consulted so that the material quality can be ensured. Ivar Östberg is also used as a source along with previous notes, course materials and other relevant sources of information.

    This work has been the final task for examination as Bachelor of Science with focus on Aeronautics at Mälardalen University.

  • 4528.
    Tveit, Melinda
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Schöldin, Linda
    Design av sensor för tung industri: Fokus på utforming och design av sensor2016Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report describes the design development process of a idustrial sensor for the company Leine & Linde AB in Strängnäs, Sweden. Today Leine & Linde manufactures position and speed sensors but is looking to expand their product range with vibration sensors. Since Leine & Linde already have the equipment to construct and manufacture vibration senors, they can’t see any reasons not to do it.

     

    This project is looking into the design of these sensors and how they can come to look. The project has been carried out by Melinda Tveit and Linda Schöldin, two students from Mälardalens University in Eskilstuna, Sweden. The main question for this project is how this sensor can be designed to be recognized as a Leine & Linde product, and at the same time perceived as a robust and quality product. The sensor is also designed for all the components that the construction require to fit into the design.

     

    The method that is used is built of theories in product development and based on the tools that are relevant for this project. Information about construction and manufacturing methods are also the basis for the project. As a supplement to the information, a solid contact was held with a Leine & Linde designer throughout the project.

     

    The result of this project came to be a proposition where the design of the sensor was expressed. The design takes into account all of the components that the construction requires and has also a small and robust design. The proposition has a round form and blue overlay which connects the sensor to Leine & Linde and their product family.

  • 4529.
    Tärneberg, William
    et al.
    Lund University, Sweden.
    Papadopoulos, Alessandro
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Mehta, Amardeep
    Umeå University, Sweden.
    Tordsson, Johan
    Umeå University, Sweden.
    Kihl, Maria
    Lund University, Sweden.
    Distributed Approach to the Holistic Resource Management of a Mobile Cloud Network2017In: Proceedings - 2017 IEEE 1st International Conference on Fog and Edge Computing, ICFEC 2017, 2017, p. 51-60, article id 8014359Conference paper (Refereed)
    Abstract [en]

    The Mobile Cloud Network is an emerging cost and capacity heterogeneous distributed cloud topological paradigm that aims to remedy the application performance constraints imposed by centralised cloud infrastructures. A centralised cloud infrastructure and the adjoining Telecom network will struggle to accommodate the exploding amount of traffic generated by forthcoming highly interactive applications. Cost effectively managing a Mobile Cloud Network computing infrastructure while meeting individual application’s performance goals is nontrivial and is at the core of our contribution. Due to the scale of a Mobile Cloud Network, a centralised approach is infeasible. Therefore, in this paper a distributed algorithm that addresses these challenges is presented. The presented approach works towards meeting individual application’s performance objectives, constricting system-wide operational cost, and mitigating resource usage skewness. The presented distributed algorithm does so by iteratively and independently acting on the objectives of each component with a common heuristic objective function. Systematic evaluations reveal that the presented algorithm quickly converges and performs near optimal in terms of system-wide operational cost and application performance, and significantly outperforms similar na¨ıve and random methods.

  • 4530.
    Tåg, Viktor
    Mälardalen University, School of Innovation, Design and Engineering.
    Framtagning av portabel patientlyft2014Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
  • 4531.
    Tång, Alfred
    Mälardalen University, School of Innovation, Design and Engineering.
    3D Surround Sound Application for Game Environments2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    This report covers the creation and implementation of a 3D audio application using FMOD Ex API. The report will also cover a walkthrough of the basic principles of 3D and surround audio, examples of other uses of 3D audio, a comparison between available technologies today, both software and hardware and finally the result of the implementation of the 3D sound environment software, both server and client. The application was created to explore the use of 3D audio in immersive environments. There was no application like this available when this project was conducted. An inductive approach along with a form of rapid application development and scenario creation was used to achieve the results presented in this report. The implementation resulted in a working client and server software which is able to create a 3D sound environment. Based on a user evaluation the software proved to be quite successful. With the help of the implementation the user, or operator, can now create a sound environment for another user, or a listener. The environment is created and designed by the operator using the client side of the implementation and later played through the server side which is connected to a 4.1 speaker system. The operator can steer and add sounds from the client to an active environment and the listener can experience the change in real time. This project was conducted as a bachelor thesis in computer science at Mälardalens University in Västerås, Sweden.

  • 4532.
    Tång, Linda
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Järnberg, Marie-Louise
    Mälardalen University, School of Innovation, Design and Engineering.
    Kommunikation i öppna innovationsprojekt: Riktlinjer för en god kommunikation mellan ledare och projektgrupp2011Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Problem

    Companies and organizations have to open up their innovation processes in today's society in order to compete with other companies and grow into a strong player in the market. In the open innovation processes are organizations cooperating with external partners in various disciplines, this is a process with new approaches where innovation and creativity are of great importance. Such an innovation process has a great need for good communication between leaders and participants. We have therefore chosen to study open innovation projects in which we specifically looked at communication between the project leaders and participants.

    Purpose

    The purpose of this study is to provide a picture of communication that are important between leaders and project team. This is the basis for creating guidelines for good communication in open innovation projects.

    Method

    This study used a qualitative approach in which empirical data has been collected through interviews and questionnaires.

    Conclusions

    Study shows that it is important that the leader serves more as an administrative person, other than that it possesses the technical skills. And also has the ability to work with many things at once and can be networking because it´s important that the leader can hold together it´s project team. Common goals are important to the project team for everyone to benefit from each other in the network. We have also recognized the importance of a common culture in the project but it is also difficult to create this in open innovation projects as cooperation with external partners means that opportunities for joint meetings are few.

  • 4533.
    Tömmervik, Johanna
    Mälardalen University, School of Innovation, Design and Engineering.
    Innovationsledning med hjälp av konflikt och debatt: En studie om hur konflikt och debatt kan stödja och stimulera ett innovativt organisationsklimat2016Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Studien påvisar vikten av ett öppet klimat och kommunikation som främjar öppenhet. I det öppna klimatet vågar människor lägga fram synpunkter och idéer vilket innebär att debatt stimuleras. Ledare behöver fokusera på hur de kan skapa ett mer öppet klimat och vad det innebär för den egna organisationens individer. Konflikt bidrar till ett konstruktivt innovationsklimat i team när det inte handlar om personliga konflikter. Istället kan konflikt relaterat till arbetsuppgifter, som baseras på exempelvis resursbrist, vara en källa till kreativitet eftersom det innebär att medarbetare måste komma på nya lösningar. För att minska negativa konflikter är det viktigt för ledarskapet att kommunicera en tydlig målbild och att arbeta med kontinuerlig feedback. Konflikter kan bli mer konstruktiva och bidra till, istället för att hindra, kreativiteten om ledare kommunicerar en tydlig, gemensam målbild och vision att tillsammans sträva mot i organisationen.

  • 4534.
    Törmänen, Kim
    Mälardalen University, School of Innovation, Design and Engineering.
    Formgivning och konstruktion av ett äthjälpmedel2009Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [sv]

    Att kunna äta själv, utan hjälp från omgivningen är en egenskap många ser som självklar. Tyvärr är det inte så för alla, och de som har problem med att kunna äta själva har hittills behövt förlita sig på att en vänlig människa i närheten har möjlighet kunna mata honom eller henne.

    Det finns få alternativ till att bli matad av en människa och detta examensarbete bestod i att formge och konstruera samt att bygga en "demonstrator" som kan användas för att äta med på egen hand.

    Den blivande produkten kallas för Bestic och skall då alltså vara en ett äthjälpmedel som med en sked eller en tång kan plocka upp mat från en tallrik och lyfta upp det till munnen på användaren.

    Krav som ställdes var att den färdiga produkten skulle vara enkel att tillverka, montera och gärna billig inom vissa ramar, och dessutom vara attraktiv för målgruppen.

    I denna rapport kommer du att kunna läsa om hur idéprocessen, konceptutvärderingarna, skissarbetet, materialvalen, konstruktionerna, cad-arbetet och modellbyggandet gick till.

    Resultatet av detta arbete blev en CAD-modell över samtliga delar som måste tillverkas, och samtidigt en lista över komponenter som behövs för att montera ihop en färdig produkt. Utöver CAD-filerna tillverkades det också en "demonstrator", en till så stor utsträckning som möjligt fungerande prototyp och samtidigt utställningsmodell.

    Demonstratorn visade att det fanns brister i konstruktionen ifrån CAD-filerna och en analys gav en lista på problem som måste lösas innan en serietillverkning kunde påbörjas.

  • 4535.
    Törngren, Martin
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Chen, DeJiu
    Mälardalen University, School of Innovation, Design and Engineering.
    Malvius, Diana
    Mälardalen University, School of Innovation, Design and Engineering.
    Axelsson, Jakob
    Mälardalen University, School of Innovation, Design and Engineering.
    Model based development of automotive embedded systems2008In: Automotive Embedded Systems Handbook / [ed] Nicolas Navet, Francoise Simonot-Lion, CRC Press, 2008Chapter in book (Other academic)
  • 4536.
    Udd, S
    Mälardalen University, School of Innovation, Design and Engineering.
    Community Communication - European Union information service in a information design education perspective2005Conference paper (Refereed)
  • 4537.
    Udd, S
    Mälardalen University, School of Innovation, Design and Engineering.
    Representation of the entrepreneurial identity2008Conference paper (Refereed)
  • 4538.
    Udd, Staffan
    Mälardalen University, School of Innovation, Design and Engineering.
    The representation of entrepreneurship and its context2008Conference paper (Other scientific)
    Abstract [en]

    There is a growing genre of public information that is aimed to inspire new business endeavours. The urge to promote the entrepreneurial spirit among us is followed by a flood of information. This paper reports part of findings from a research project on the representations of the entrepreneurial idea. Interviews, observations and information artefacts collected from three community contexts were analysed to discuss the general research question; what knowledge can information artefacts give us on the entrepreneurial discourse? In other words; which different practices of Information Design are applied to construct the entrepreneurial identity? The research project compares practices to promote entrepreneurship in the city of Luton in the UK, Kista Science City in Stockholm and the city of Eskilstuna in Sweden. The research project develops into a discussion on the construction of power, ethnicity, gender and class and how this is expressed in the representations. The academic framework for this research is Information Design with a complementary inspiration from the tradition of Cultural Studies.

  • 4539.
    Udd, Staffan
    et al.
    Mälardalen University, School of Innovation, Design and Engineering.
    Brännman, Kathrine
    Mälardalen University, School of Innovation, Design and Engineering.
    Gustafsson, Karin
    Mälardalen University, School of Innovation, Design and Engineering.
    Karlsson, Catharina
    Mälardalen University, School of Innovation, Design and Engineering.
    Petri, Maja
    Wodén, Emma
    Mälardalen University, School of Innovation, Design and Engineering.
    Eriksson, Jenny
    Mälardalen University, School of Innovation, Design and Engineering.
    Thunell, Camilla
    Mälardalen University, School of Innovation, Design and Engineering.
    Rumsligheter i Mälardalen: Platser och representationer2008Report (Other scientific)
    Abstract [en]

    Den här boken handlar om Mälardalen ur ett rumsligt perspektiv. Vi låter ett antal utvalda platser berätta om den allmänna rumsligheten Mälardalen. Vår utgångspunkt är studier av tecken, begrepp och representation. Vi försöker fånga in platsens tecken, vår uppfattning om platsen samt de representationer – de konkreta informationsmaterial vi kan läsa om platsen. Denna metod bygger på Stuart Halls arbete om tecken, begrepp och representation (Hall, 1997). Därmed har vi lagt några få pusselbitar till vår kunskap om hur begreppet och regionen Mälardalen konstrueras. Detta tryck är ett arbete utfört inom ämnet informationsdesign vid utbildningsprogrammet Rumslig Gestaltning vid Mälardalens Högskola. Texterna har utvecklats under mycket kort tid, endast två veckor har använts för text- och bildproduktion. För närvarande heter vår högskola Mälardalens Högskola, enligt en logik om högskolans geografiska placering. Möjligen ger namnet en rättvis beskrivning av vår verksamhet då de flesta studenter, lärare och samarbetsorganisationer också finns i den geografiska region vi kallar Mälardalen. Mälardalen, eller Stockholm- Mälarregionen, består av Stockholms, Uppsala, Västmanlands, Örebro och Södermanlands län. Här bor cirka 3 miljoner människor – nästan en tredjedel av Sveriges befolkning. Fram till 2030 väntas befolkningen öka i regionen med 600 000 personer, vilket motsvarar två Malmö. Många bor och arbetar på skilda orter. Den viktigaste pendlingen sker från de andra länen i Mälardalen till Stockholms län. Cirka 50 000 personer pendlar så varje vardag och antalet ökar för varje år (Wijnbladh, 2007). Catharina Karlsson och Maja Petri berättar i kapitlet Tre rum och rörelse om de frustrationer som drabbar tågpendlare i Mälardalen. Alltsedan vår konstruktion av begreppet Mälardalsregionen började ta form för cirka tjugo år sedan har kommunikationsfrågorna varit framträdande. Det finns många situationer att berätta om då den goda visionen om ett välfungerande transportsystem i Mälardalen inte stämmer med den vardagliga verkligheten för resenärerna. Komplikationer med ”signalfel”, omoderna tågvagnar eller ickefungerande och dyra biljettsystem är exempel på transportsystemets dåliga anpassning till användarna. Vid pendling finns koder och tysta överenskommelser mellan passagerare om hur vi förväntas uppträda på tågresan, här syns spår av den nya pendlarkultur som utvecklats i Mälardalen. Den ökade pendlingen i regionen kräver funktionella och effektiva platser. Ett återkommande tema i informationsmaterial om Mälardalen handlar om förflyttning och riktning. Karin Gustafsson skriver om hur planerna för Uppsala resecentrum kommuniceras med allmänheten. Det nya resecentrumet i Uppsala kommer att bli ett viktigt nav för det ökande resandet i regionen och ombyggnationen utgör ett tydligt tecken för denna expansion och rörelse i det stora ”rummet” Mälardalen. En intressant iakttagelse är att de framtida visionerna om hur det nya resecentrumet kommer att se ut kommuniceras starkt medan informationen om hur stadsmiljön kommer att se ut under byggtiden inte presenterats lika tydligt. Det finns också mindre rum, specifika platser i Mälardalen där kultur markeras på ett tydligt sätt. Camilla Thunell och Emma Wodén har studerat en plats för ett särskilt subkulturellt uttryck i Eskilstuna, Café Sylvia på Eskilsgatan är en träffpunkt för en krets som manifesterar sitt kulturella kapital genom användning av caféet. Platsens exklusiva läge vid Eskilstunaån och dess absolut definierade inredningsestetik utgör koder och nycklar till gruppens gemensamma kulturella föreställningsvärld. Mälardalens platser skiljer sig åt i tempo och stämning. Jenny Eriksson och Kathrine Brännman berättar om en miljö där Mälardalens kulturvärden skapas och konserveras, de ställer frågan om vad som syns och vad vi egentligen räknar som kulturarv. De gamla Rademachersmedjorna i Eskilstuna är ett kulturminne som vårdas av Eskilstuna Museer, vid smedjorna finns både ursprungliga och iscensatta miljöer. Besökare upplever en kombination av gamla byggnader, hantverk, utställning och restaurang och detta sammantaget konstruerar historien om platsen Eskilstuna i Mälardalen. Den så kallade Mälarmattan – en karta över Mälardalen stor som en handbollsplan har en intressant funktion för visualisering och offentlig planering för Mälardalsregionen. I det sista kapitlet skriver Staffan Udd om hur denna jättelika informationsartefakt används i sitt sammanhang. Mälardalsrådet är en gemensam intresseorganisation för fem landsting och nära sextio kommuner i regionen. Gränserna för vår region Mälardalen eller Stockholm-Mälardalen vilket vi bör kalla den enligt Mälardalsrådet har expanderat från Stockholm och sträcker sig nu till Gävle i norr, Karlstad i väst och Norrköping i syd. Mälardalen är ännu ingen formell storregion även om planerna för att skapa en sådan diskuteras. Sammantaget ger de olika kapitlen i den här antologin en ögonblicksbild av platser i Mälardalen – med Eskilstuna som utgångspunkt. Staffan Udd Mälardalens Högskola Januari 2008

  • 4540.
    Udén, Maria
    et al.
    Luleå tekniska universitet.
    Johansson, Anders W
    Mälardalen University, School of Innovation, Design and Engineering.
    Lindberg, Malin
    Luleå tekniska universitet.
    Stenmark, Lina
    Mälardalen University, School of Innovation, Design and Engineering.
    Lyftet - forskning om kvinnors företagande och initiativ i innovationssystem: Ett samarbete mellan Luleå tekniska universitet och Mälardalens högskola2008Report (Other academic)
  • 4541.
    Ufua, Daniel E.
    et al.
    Covenant Univ, Dept Business Management, Coll Business & Social Sci, Idiroko Rd, Ota, Ogun State, Nigeria..
    Papadopoulos, Thanos
    Univ Kent, Kent Business Sch, Chatham ME4 4TE, Kent, England..
    Midgley, Gerald
    Mälardalen University, School of Innovation, Design and Engineering, Innovation and Product Realisation. Univ Hull, Ctr Syst Studies, Sch Business, Cottingham Rd, Kingston Upon Hull HU6 7RX, N Humberside, England.;Malardalen Univ, Sch Innovat Design & Engn, Box 325, S-63105 Eskilstuna, Sweden.;Victoria Univ Wellington, Victoria Business Sch, POB 600, Wellington 6140, New Zealand.;Univ Canterbury, Sch Polit & Social Sci, Private Bag 4800, Christchurch 8140, New Zealand.;Univ Queensland, Sch Agr & Food Sci, Brisbane, Qld 4072, Australia..
    Systemic Lean Intervention: Enhancing Lean with Community Operational Research2018In: European Journal of Operational Research, ISSN 0377-2217, E-ISSN 1872-6860, Vol. 268, no 3, p. 1134-1148Article in journal (Refereed)
    Abstract [en]

    This paper explores how theory and methodology from Community Operational Research (Community OR) can enhance Lean initiatives. We are driven by the paucity of the literature discussing the involvement of non-obvious stakeholders, particularly local communities, in the adoption of Lean. We present a project undertaken with a food production company in the Niger Delta Region of Nigeria, where we employed a Systemic Intervention methodology to integrate theory and methods from Community OR with those from Lean. Based on this example, we argue that the inclusion of community representatives is necessary if Lean waste-reduction initiatives are to benefit both organizations and their local communities. Our only proviso is that, in the spirit of Community OR, the involvement of community representatives must be meaningful, so change is agreed through stakeholder engagements that respect their inputs and framings, and do not result in organizations imposing unwanted 'solutions' on communities. The paper ends with some reflections on the added value that Community OR can offer Lean practitioners. 

  • 4542.
    Uggla, Caroline
    Mälardalen University, School of Innovation, Design and Engineering.
    Form, Färg & Flöde: Vägledning i offentliga miljöer2011Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Eskilstuna Folkhögskola is located in Munktellstaden in Eskilstuna. The school has two separate buildings with entrances that are difficult to find. By having two separate buildings, and to be in an area where there are rules and guidelines for the area's environment, makes it difficult to guide visitors to the school premises.

    The purpose of my research was to examine how to guide visitors to the school, and how to increase understanding that the school's various buildings are connected.

    Through practices such as site analysis, interviews, I found that the guidelines are not adapted to the current situation that is established in the district.

    Through theory and empirical material I have produced a design proposal to facilitate Wayfinding to Eskilstuna Folkhögskola. This is presented as a landmark and a clarification of the schools entrances and signage.

  • 4543.
    Uhlemann, Elisabeth
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Automakers are Teaming Up with Cellular Providers [Connected Vehicles]2015In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 10, no 3, p. 23-26Article in journal (Other academic)
    Abstract [en]

    Delphi Automotive PLC has per-formed a drive from San Francisco, California (Figure 1) to New York, New York (Figure 2) with 99% of the drive in a fully automated mode (Figure 3). Along the way, the vehicle encountered complex driving situations such as traffic circles, construction zones, bridges, tunnels, aggressive drivers, and a variety of weather conditions. The drive was used by Delphi engineers to research and collect information that will help further advance active safety technology, which currently is the most rapidly growing technology sector of the automobile industry. The team collected nearly three terabytes of data-about 30% of all of the printed material in the Library of Congress. Delphi's automat-ed driving vehicle, called Roadrunner, is equipped with six long-range radars, four short-range radars, three vision-based cameras, six lidars, a localization system, intelligent software algorithms, and a full suite of advanced drive assistance systems (ADAS), many of which are already on the market today, including collision mitigation, integrated radar, camera systems, and forward collision and lane departure warning.

  • 4544.
    Uhlemann, Elisabeth
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    Autonomous Vehicles are Connecting [Connected Vehicles]2015In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 10, no 2, p. 22-25Article in journal (Other academic)
    Abstract [en]

    Toward Autonomous Vehicles Ford is testing remote-control repositioning technology using vehiclemounted cameras and real-time streaming video. With Georgia Techowned golf carts to prove the technology, a person sitting in a remote location can access real-time video, streamed over long-term evolution, to drive the carts. The outcome could be a more affordable and effective way to share or park vehicles using a remote valet.

  • 4545.
    Uhlemann, Elisabeth
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems. Swedish VT/COM/IT Chapter, Sweden.
    Introducing Connected Vehicles [Connected Vehicles]2015In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 10, no 1, p. 23-27, 31Article in journal (Other academic)
    Abstract [en]

    he term connected vehicles refers to applications, services, and technologies that connect a vehicle to its surroundings. Adopting a definition similar to that of AUTO Connected Car News, a connected vehicle is basically the presence of devices in a vehicle that connect to other devices within the same vehicle and/or devices, networks, applications, and services outside the vehicle. Applications include everything from traffic safety and efficiency, infotainment, parking assistance, roadside assistance, remote diagnostics, and telematics to autonomous self-driving vehicles and global positioning systems (GPS). Typically, vehicles that include interactive advanced driver-assistance systems (ADASs) and cooperative intelligent transport systems (C-ITS) can be regarded as connected. Connected-vehicle safety applications are designed to increase situation awareness and mitigate traffic accidents through vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications. ADAS technology can be based on vision/camera systems, sensor technology, vehicle data networks, V2V, or V2I systems. Features may include adaptive cruise control, automate braking, incorporate GPS and traffic warnings, connect to smartphones, alert the driver to hazards, and keep the driver aware of what is in the blind spot. V2V communication technology could mitigate traffic collisions and improve traffic congestion by exchanging basic safety information such as location, speed, and direction between vehicles within range of each other. It can supplement active safety features, such as forward collision warning and blind-spot detection. 

  • 4546.
    Uhlemann, Elisabeth
    Mälardalen University, School of Innovation, Design and Engineering, Embedded Systems.
    The Next Step: Acquisitions and Open Collaboration Platforms2018In: IEEE Vehicular Technology Magazine, ISSN 1556-6072, E-ISSN 1556-6080, Vol. 13, no 2, p. 14-14Article in journal (Other academic)
  • 4547.
    Uhlemann, Elisabeth
    et al.
    Halmstad University.
    Nolte, Thomas
    Mälardalen University, School of Innovation, Design and Engineering.
    Scheduling Relay Nodes for Reliable Wireless Real-Time Communications2009In: Proceedings of the Work-In-Progress (WIP) session of 14th IEEE International Conference on Emerging Techonologies and Factory (ETFA'09), 2009Conference paper (Refereed)
    Abstract [en]

    We consider wireless relay networks for use in industrial applications with strict requirements on both timely and reliable communications. Frequently, more than one suitable relay node is available for retransmitting an erroneous packet. However, if commercially available transceivers are to be used; concurrent transmissions will result in collisions. Further, in a typical industrial network, there may be several data packets that need to travel from source to destination during the same timeperiod. Consequently, relay nodes need to be scheduled to data packets and time instances such that as many packets as possible can be received at their destinations with as high reliability as possible before their respective deadlines. Our goal is thus to increase the data reliability in industrial wireless networks, while respecting real-time deadlines.

  • 4548.
    Ullbors, Kristina
    Mälardalen University, School of Innovation, Design and Engineering.
    Jag läser och förstår det intressanta: Tillgänglig, förståelig och intressant information för personer med lindrig till måttlig utvecklingsstörning. Information på FUB:s webbplats, som skrift i samspråk med bild.2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    Most of the information online is difficult for people with cognitive disabilities to understand and assimilate. In this project I have had the expectation that this is possible to change. In cooperation with FUB, a Swedish organization working for people with cognitive disabilities, I have studied how to adapt content, pictures and writing to persons with the levels of mild to moderate cognitive disabilities. I have also taken the perspective “design for all”, which means that you adapt a design for the weakest persons in the society to make it work for everyone.

    The purpose of my work is to study how to create a web text where content, writing and pictures are incorporated.

    To examine how to do this I have conducted qualitative interviews in which I have let the informants look at and read four different texts. I have participated in a reference group where the content of the website has been discussed. I have also analyzed two of the texts that I used in the qualitative interviews.

    The result is based on the chosen methods and on the theory of interest for my work. My study has resulted in a manual about how to create a web text where content, writing, pictures and form, are adapted to people with cognitive disabilities. I have also made anexample of this kind of text.

  • 4549.
    Ullermo, Linda-Marie
    Mälardalen University, School of Innovation, Design and Engineering.
    Ett harmoniskt designat medlemsbrev: Hur man förbättrar ett disharmoniskt nyhetsbrev enligt principerna för god informationsdesign.2014Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    The main objective of this thesis has been to improve a dishamonius newsletter based on the principles of good information design. This is because the head of operations have received several complaints on its layout and that the leaders themselves think that the newsletter is “ugly and hard to read (mainly because of its text and form) and therefore want it to be changed and improved. Through my preliminary study that consisted of qualitative interviews with the head of operations, a survey with thetarget audience, a surrounding world analysis and two text analysis, I was able to answer the following questions: What flaws is there in the current newsletter regarding content and shape? My theory collection has started from the following question: How can I use the three principles of good information design (legibility, readability and reading value) to achieve harmony? My design proposal is based on the shortcomings that came to light in the method and on the improvement recommendations that emerged from the theory.

  • 4550.
    Ulriksson Biderman, Anna
    Mälardalen University, School of Innovation, Design and Engineering.
    Känsla: En undersökning av hur man skriver en tidningsledare, som förmedlar pathos, på lättläst svenska.2012Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
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