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  • 1. Andersson, Per
    et al.
    Björkholm, Peter
    Haasl, Sjoerd
    KTH, School of Technology and Health (STH), Centres, Centre for Technology in Medicine and Health, CTMH.
    Johannisson, Pontus
    Johnsson, Christer
    Stigwall, Johan
    Södermalm, Svante
    MEMS-based inertial navigation instrumentation for high-dynamic applications2009In: COMS 2009, 2009Conference paper (Refereed)
  • 2.
    Ayas, Ebru
    et al.
    KTH, School of Technology and Health (STH), Ergonomics.
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Ishihara, Shigekazu
    An Analysis on Affective Design of Servicescapes2009In: Proceedings of 12 th QMOD and Toulon-Verona Conference on Quality and Service Sciences, 2009Conference paper (Refereed)
  • 3.
    Ayllon, David
    et al.
    Department of Signal Theory and Communications.
    Seoane, Fernando
    KTH, School of Technology and Health (STH), Medical sensors, signals and systems (MSSS).
    Gil-Pita, Roberto
    Department of Signal Theory and Communications.
    Cole equation and parameter estimation from electrical bioimpedance spectroscopy measurements: A comparative study2009In: EMBC: 2009 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-20, Buenos Aires: IEEE Engineering in Medicine and Biology , 2009, 3779-3782 p.Conference paper (Refereed)
    Abstract [en]

    Since there are several applications of Electrical Bioimpedance (EBI) that use the Cole parameters as base of the analysis, to fit EBI measured data onto the Cole equation is a very common practice within Multifrequency-EBI and spectroscopy. The aim of this paper is to compare different fitting methods for EBI data in order to evaluate their suitability to fit the Cole equation and estimate the Cole parameters. Three of the studied fittings are based on the use of Non-Linear Least Squares on the Cole model, one using the real part only, a second using the imaginary part and the third using the complex impedance. Furthermore, a novel fitting method done on the impedance plane, without using any frequency information has been implemented and included in the comparison. Results show that the four methods perform relatively well but the best fitting in terms of standard error of estimate is the fitting obtained from the resistance only. The results support the possibility of measuring only the resistive part of the bioimpedance to accurately fit Cole equation and estimate the Cole parameters, with entailed advantages.

  • 4.
    Berglund, Anders
    et al.
    KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Integrated Product Development.
    Sturm, Dennis
    KTH, School of Technology and Health (STH), Medical sensors, signals and systems (MSSS).
    Parida, Vinit
    Luleå University of Technology.
    Embracing Entrepreneurial Behaviour in a Research School2009Conference paper (Refereed)
    Abstract [en]

    The Product Innovation Engineering program (PIEp) has recently established a Research School withthe aim to increase innovation capabilities in Swedish industries and to promote entrepreneurialbehaviour. By following a bottom-up approach PIEp has been able to both embrace and fosterentrepreneurship. As a result, the research school has already been able to change preexisting mindsetsand to encourage PhD students to be more proactive, risk-taking and innovative. Through descriptions of their own experiences and of key cases along the way, the authors illustratethe transformation from the initial idea to the research school as it is today. This paper seeks toprovide insight and draw comparisons with other research schools to further research and assist policymakers interested in founding new research schools.

  • 5.
    Brännmark, Mikael
    KTH, School of Technology and Health (STH), Ergonomics.
    Ökad delaktighet i programutvärdering: En metodik för ökad resultatspridning?2009In: HSS2009: Vi bygger morgondagens samhälle, Luleå, 2009, 1-26 p.Conference paper (Refereed)
  • 6.
    Eklund, Jörgen
    et al.
    KTH, School of Technology and Health (STH), Ergonomics.
    Brännmark, Mikael
    KTH, School of Technology and Health (STH), Ergonomics.
    Sustainable development for ergonomics improvement projects2009Conference paper (Refereed)
  • 7.
    Halldin, Peter
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Kleiven, Svein
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Improved helmet design and test methods to reduce rotational induced brain injuries2009Conference paper (Other (popular science, discussion, etc.))
  • 8.
    Halvorsen, Kjartan
    et al.
    KTH, School of Technology and Health (STH), Medical sensors, signals and systems (MSSS).
    Brechbühl, Simon
    ETH Zurich, Switzerland.
    Minimal set of markers for center of mass estimation in gravitational fall2009In: Proceedings of the ISB XXII Congress, 2009Conference paper (Refereed)
  • 9.
    Kleiven, Svein
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Johnson, Ho
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Sandler, Håkan
    Rättsmedicinalverket, Uppsala universitet.
    Finite Element Methodology and infant skull fracture: accident or abuse ?2009Conference paper (Other academic)
  • 10.
    Larsson, Matilda
    et al.
    KTH, School of Technology and Health (STH), Medical Engineering.
    Claus, P.
    Brodin, Lars-Åke
    KTH, School of Technology and Health (STH), Medical Engineering.
    D'Hooge, J.
    Ultrasound-based 2D Strain Estimation of the Carotid Artery: an in-silico feasibility study2009In: Ultrasonics Symposium (IUS), 2009 IEEE International, IEEE , 2009, , 4 p.5441992- p.Conference paper (Refereed)
    Abstract [en]

    Ultrasound based estimation of arterial wall properties is commonly used to assess vessel wall stiffness in studies of vascular diseases. Recently, it was shown that the longitudinal motion of the vessel during systole can be measured using speckle tracking. However, the assessment of longitudinal strain in the vessel wall has to be further investigated. The aim of this study was to test the feasibility of simultaneous assessment of radial and longitudinal strain in the carotid artery using computer simulations. A kinematic cylindrical model of the carotid artery with realistic dimensions was constructed. The model was deformed radially according to temporal distention measured in-vivo while longitudinal deformation was the result of conservation of volume. Moreover, longitudinal motion was superimposed based on profiles obtained in-vivo. Ultrasound long axis images were simulated using a generalized convolution model (COLE) with realistic image properties. Four models with different scatterer distributions were built. For each of them, longitudinal and radial motion were estimated using normalized cross-correlation with spline interpolation to detect sub-sample motion. Radial and longitudinal strains, obtained by linear regression were compared with the ground truth from the model. The maximal systolic radial strain was estimated to be -12.77 ± 0.4% (ground truth -13.89%) while longitudinal strain was 5.21 ± 0.67% (ground truth 5.3%). This study shows the feasibility of simultaneously measuring radial and longitudinal strain in the carotid artery by making use of currently available hardware.

  • 11.
    Li, Xiaogai
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    von Holst, Hans
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Ho, Johnson
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Kleiven, Svein
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    3-D Finite Element Modeling of Brain Edema: Initial Studies on Intracranial Pressure Using COMSOL Multiphysics2009In: COMSOL Conference, 2009Conference paper (Refereed)
    Abstract [en]

    Brain edema is one of the most common consequences of serious traumatic brain injuries which is usually accompanied with increased Intracranial Pressure (ICP) due to water content increment. A three dimensional finite element model of brain edema is used to study intracranial pressure in this paper. Three different boundary conditions at the end of Cerebral Spinal Fluid (CSF) were used to investigate the boundary condition effects on the volume-pressure curve based on the current model. Compared with the infusion experiments, results from the simulations show that exponential pressure boundary condition model corresponds well with the experiment

  • 12.
    Li, Xiaogai
    et al.
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    von Holst, Hans
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Ho, Johnson
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Kleiven, Svein
    KTH, School of Technology and Health (STH), Neuronic Engineering.
    Three Dimensional Poroelastic Simulation of Brain Edema: Initial Studies on Intracranial Pressure Using Comsol Multiphysics2009In: Proceedings of European Comsol Conference, Milan, Italy, October 7 - 9, 2009Conference paper (Refereed)
  • 13.
    Lindh, Thomas
    et al.
    KTH, School of Technology and Health (STH), Data- och elektroteknik (Closed 20130701).
    Orhan, Ibrahim
    KTH, School of Technology and Health (STH), Data- och elektroteknik (Closed 20130701).
    Performance Control in Wireless Sensor Networks2009In: Pervasive Computing Technologies for Healthcare, 2009. PervasiveHealth 2009. 3rd International Conference on, IEEE , 2009Conference paper (Refereed)
    Abstract [en]

    This paper presents an implementation of a method for performance control in wireless body sensor networks based on measurement feedback, especially targeted for demanding healthcare applications.

  • 14.
    Lindh, Thomas
    et al.
    KTH, School of Technology and Health (STH), Data- och elektroteknik (Closed 20130701).
    Orhan, Ibrahim
    KTH, School of Technology and Health (STH), Medical Engineering.
    Performance Measurements and Control in Contention-Based Wireless Sensor Networks2009In: 6th Swedish National Computer Networking Workshop (SNCNW 2009), 2009Conference paper (Refereed)
    Abstract [en]

    This paper presents an implementation of a method for performance control in wireless body sensor networks based on measurement feedback, especially targeted for demanding healthcare applications.

  • 15.
    Lindh, Thomas
    et al.
    KTH, School of Technology and Health (STH), Medical Engineering, Computer and Electronic Engineering.
    Orhan, Ibrahim
    KTH, School of Technology and Health (STH), Medical Engineering, Computer and Electronic Engineering.
    Performance Monitoring and Control in Contention-Based Wireless Sensor Networks2009In: Proceedings of the 2009 6th International Symposium on Wireless Communication Systems, ISWCS'09, NEW YORK: IEEE conference proceedings, 2009, 507-511 p.Conference paper (Refereed)
    Abstract [en]

    This paper presents a method for performance monitoring and control in wireless body sensor networks based on measurement feedback. Test results using a prototype implementation of the method are also analyzed. The method has been evaluated for demanding healthcare related applications in wireless personal area networks.

  • 16. Olsson, Annika
    et al.
    Blomé, Mikael
    Gonzalez Guve, Bertil
    KTH, School of Technology and Health (STH), Centres, Centre for Technology in Medicine and Health, CTMH.
    Kaulio, Matti
    KTH, School of Industrial Engineering and Management (ITM), Industrial Economics and Management (Dept.), Industrial Work Science.
    Norell Bergendahl, Margareta
    KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Integrated Product Development.
    Odenrick, Per
    Organizational Factors Affecting Product Innovation Capability: Findings from the Med-Tech Industry2009In: Proceedings of the 17th International Conference on Engineering Design (ICED'09), Vol. 1 / [ed] Norell Bergendahl, M.; Grimheden, M.; Leifer, L.; Skogstad, P.; Lindemann, U., 2009, 157-168 p.Conference paper (Refereed)
    Abstract [en]

    Research in innovation has created much knowledge to apply concerning tools, methods and processes. However, the challenge of allowing "space", time and competence for innovation capability development is sparsely reported. The purpose of this research is to identify how organizational and behavioral factors are affecting product innovation capability and its development in organizations. The research sets out to explore and elaborate on the research question: How can product innovation capability among organizations and individuals be improved by identifying and changing organizational factors? The individual and organizational factors need to be taken in relation to the product innovation. Theories of innovation capability, innovation and learning, innovation and creative climate are used as a basis for this research. Interviews and a creative climate questionnaire have been used for empirical input in five med-tech companies. The qualitative result elicits six factors that influence the innovation capability and its development in organizations; brings out the two most important factors from the survey and elaborate a cross analyses from the qualitative and quantitative input.

  • 17.
    Parida, Vinit
    et al.
    Luleå University of Technology.
    Berglund, Anders
    KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Integrated Product Development.
    Sturm, Dennis
    KTH, School of Technology and Health (STH), Medical sensors, signals and systems (MSSS).
    Grimheden, Martin
    KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Mechatronics.
    Facilitating the Learning Environment: Initiatives within the PIEp Research School2009Conference paper (Refereed)
    Abstract [en]

    Research schools have become common phenomena in the academic world. However, we find lack of studies investigating their influence and role in the academia. This study attempts to address this gap by describing how a specific research school has evolved into an effective learning environment for the enrolled PhD students. The Product Innovation Engineering program (PIEp) is currently the largest research initiative in Product Innovation in Sweden. The PIEp research school is a part of this program, with the aim to increase innovation capabilities in the Swedish industries. Through an action-based research approach the authors, who are research school participants themselves, present the processes and the chain of events to offer knowledge transfer and to give insight into this special research environment. In this pursuit, the findings are presented in three different themes,1) the role of common interest groups, 2) common interest group activities, and c) a tiger team workshop. This paper holds major implications for other research schools and funding organizations.

  • 18.
    Pau, Ivan
    et al.
    Universidad Politecnica de Madrid.
    Seoane, Fernando
    KTH, School of Technology and Health (STH), Medical sensors, signals and systems (MSSS) (Closed 20130701).
    Lindecrantz, Kaj
    Valero, Miguel Angel
    Universidad Politecnica de Madrid.
    Carracedo, Justo
    Universidad Politecnica de Madrid.
    Home e-health system integration in the Smart Home through a common media server.2009In: EMBC: 2009 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, VOLS 1-20, 2009, Vol. 2009, 6171-6174 p.Conference paper (Refereed)
    Abstract [en]

    Home e-health systems and services are revealed as one of the most important challenges to promote Quality of Life related to Health in the Information Society. Leading companies have worked on e-health systems although the majority of them are addressed to hospital or primary care settings. The solution detailed in this paper offers a personal health system to be integrated with Smart Home services platform to support home based e-care. Thus, the home e-health system and architecture detailed in this research work is ready to supply a seamless personal care solution both from the biomedical data analysis, service provision, security guarantee and information management s point of view. The solution is ready to be integrated within the Accessible Digital Home, a living lab managed by Universidad Politécnica de Madrid for R&D activities.

  • 19. Pettersen, Jostein
    et al.
    Poksinska, Bozena
    Elg, Mattias
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Witell, Lars
    Quality Management in Swedish industry: Concepts, practices and knowledge base2009Conference paper (Refereed)
  • 20. Poksinska, Bozena
    et al.
    Pettersen, Jostein
    Elg, Mattias
    Eklund, Jörgen
    KTH, School of Technology and Health (STH), Ergonomics.
    Witell, Lars
    Quality Improvement activities in Swedish industry: Drivers, approaches and outcomes2009Conference paper (Refereed)
  • 21.
    Rose, Linda M.
    KTH, School of Technology and Health (STH), Ergonomics.
    Arbetsmiljö och ekonomi: Vad kostar okunskapen?: Exempel på praktiskt användbara metoder och fallstudier från företag2009Conference paper (Other (popular science, discussion, etc.))
1 - 21 of 21
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