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Design and Optimization of Wireless Remote Monitoring and Control System Using the ZigBee Protocol
Linköping University, Department of Science and Technology, Physics and Electronics. Linköping University, The Institute of Technology.
2011 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis presents the design and the optimization of a wireless remote monitoring and control system utilizing the ZigBee protocol.

From the system architecture point of view, the remote wireless monitoring and control system is mainly combined by 3 parts, the wireless sensor network, the message gateway and the web service. In order to increase the system flexibility and the reconfigurability, each part communicates with each other by using the standard communication protocols.

The wireless sensor network of the system can be deployed in many different locations. The network includes the sensor module, the message relay, the control module and the network coordinator. The sensor module calculates the sensor information (e.g., temperature) periodically and sends the message to the network coordinator. If the radio link of the sensor module is not long enough to reach the coordinator, a message relay could be utilized in between to forward the message to the destination. Meanwhile, the message relay can be utilized as a control module as well. For example, when connected with the air conditioning system (radiator or ventilation), the control device can generate control signal to adjust the temperature and the relative humidity. The network coordinator is the root of the network. When the network coordinator receives the sensor information from the sensor module, it forwards the message to the connected gateway. On the other hand, the coordinator also receives the control command from the gateway. When the control command is received, the network coordinator forwards the control command to the corresponding control device of the wireless sensor network to execute the command. Generally speaking, it is the wireless sensor network part provides the sensor information and executes the control commands in the system.

The gateway works as a translator and synchronizer between the wireless sensor network and the web service. It communicates with the wireless sensor network via the connection of the network coordinator. When receiving the sensor information from the wireless sensor network, the gateway forwards the message to the web service through the Internet. On the other hand, the gateway also receives control commands from the web service. When the gateway receives the control command from the web service, it forwards the command to the network coordinator of the wireless sensor network. Moreover, the gateway also works as a local monitoring and control agent. The gateway can be utilized to monitor and control the local sensor network without login to the web service. During the network deployment, the gateway needs to be equipped for each wireless sensor network. Different gateways can communicate with the web service via the Internet at the same time.

The web service contains the sensor information uploaded from different locations. When the control command is received from the user configuration, the web service forwards the control command to the correct local server. From the user point of view, the web service is a website which can be accessed by a normal web browser. Users can register the website to apply for monitoring and control privilege. The monitoring function provides the graphical presentation of the sensor information from different locations. The control function of the system includes the ON/OFF control, temperature control and humidity control.

In order to increase the system reliability, extra optimizations are developed in different parts of the system. In the wireless sensor network, the power consumption of the battery powered sensor module is optimized. A method is discovered to manage the network topology and the message forwarding pattern. Moreover, an alternative routing algorithm is designed which could be utilized by the coordinator to communicated with the sensor network. This method is verified to be much more efficient than the original algorithm utilized by the sensor network. Finally, a general purpose communication reliability enhancement framework is developed for the wireless sensor network. It helps the wireless sensor network to handle the exceptions without interference to the sensor network applications. In the gateway part, the Internet connection status is checked all the time. When the Internet connection is broken, sensor messages sent from the coordinators are buffered in the gateway to avoid the message lost.

Finally, the remote monitoring and control system has received a nomination for the Swedish Embedded Award 2010 and been demonstrated at the Scandinavia Embedded Conference 2010 in Stockholm.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press , 2011. , 54 p.
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 1508
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-71526ISBN: 978-91-7393-045-1 (print)OAI: oai:DiVA.org:liu-71526DiVA: diva2:450361
Presentation
2011-11-21, Täppan, Campus Norrköping, Linköpings Universitet, Norrköping, 10:00 (English)
Opponent
Supervisors
Available from: 2011-10-20 Created: 2011-10-20 Last updated: 2013-12-16Bibliographically approved
List of papers
1. Remote Sensing System for Cultural Buildings Utilizing ZigBee Technology
Open this publication in new window or tab >>Remote Sensing System for Cultural Buildings Utilizing ZigBee Technology
2010 (English)Conference paper, Published paper (Refereed)
Abstract [en]

A wireless remote sensing system using the ZigBee standard ispresented in this paper. This system is a wireless solution formonitoring purpose in cultural buildings in order to protectcultural heritage. The concept of this system utilizes ZigBeenetworks to carry and transmit data collected by sensors andstore them into both local and remote databases. Thus, users canmonitor the measured data locally or remotely. Especially, thepower consumption is optimized to extend the lifetime of thebattery-driven devices. Moreover, since the system has amodular architecture, it is easy to add extra services into thissystem.

Keyword
Modular system, power consumption, wireless sensor network, ZigBee
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-61295 (URN)
Conference
8th. International Conference on Computing, Communications and Control Technologies (CCCT 2010), April 6 - 9, Orlando, FL, USA
Projects
CultureBee
Available from: 2010-11-10 Created: 2010-11-10 Last updated: 2013-12-16Bibliographically approved
2. Design of the Remote Climate Control System for Cultural Buildings Utilizing ZigBee Technology
Open this publication in new window or tab >>Design of the Remote Climate Control System for Cultural Buildings Utilizing ZigBee Technology
2010 (English)In: Sensors & Transducers Journal, ISSN 2306-8515, E-ISSN 1726-5479, Vol. 118, no 7, 13-27 p.Article in journal (Refereed) Published
Abstract [en]

A wireless solution of remote climate control for cultural buildings is presented in this paper. The system allows users to use web service to control climate in different cultural buildings, like churches. The wireless sensor networks deployed in churches receive the control commands and manage the indoor climate. The whole system is modularly designed, which makes possible an easy service extension, system reconfiguration and modification. This paper includes the system overview and the software design of each part within the system.

Keyword
ZigBee, Wireless sensor network, Remote control, Modular system design
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-61293 (URN)
Projects
CultureBee
Available from: 2010-11-10 Created: 2010-11-10 Last updated: 2017-12-12Bibliographically approved
3. Reliability and Latency Enhancements in a ZigBee Remote Sensing System
Open this publication in new window or tab >>Reliability and Latency Enhancements in a ZigBee Remote Sensing System
2010 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Methods to improve the reliability and optimize the system latency of our own-developed ZigBee remote sensing system are introduced in this paper. The concept of this system utilizes the ZigBee network to transmit sensor information and process them at both local and remote databases. The enhancement has been done in different parts in this system. In the ZigBee network part, the network topology is configured and controlled. The latency for message transmitting is also optimized. In the data processing part, the network status check function and data buffer function are introduced to improve the system reliability. Additionally, the system latency is measured to compare with the Ad-hoc On Demand Distance Vector algorithm used in the ZigBee standard.

Keyword
System reliability, system latency, ZigBee network topology configuration, data buffering
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-61294 (URN)10.1109/SENSORCOMM.2010.38 (DOI)978-1-4244-7538-4 (ISBN)
Conference
The Fourth International Conference on Sensor Technologies and Applications (SENSORCOMM 2010), July 18 - 25, Venice/Mestre, Italy
Projects
CultureBee
Available from: 2010-11-10 Created: 2010-11-10 Last updated: 2014-09-25Bibliographically approved
4. A Fully Wireless Monitoring and Control System for Protecting Cultural Heritage
Open this publication in new window or tab >>A Fully Wireless Monitoring and Control System for Protecting Cultural Heritage
2011 (English)In: Proceedings of 2011 20th IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises WETICE 2011, IEEE , 2011, 250-255 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a component based wireless monitoring and control system. The system is introduced from both the system architecture and function point of view. The paper begins with the introduction of the component design and the communication interaction between them. The system is composed by three components, the wireless sensor network, the local server and the main server. Wireless sensor networks are deployed in different locations for remote monitoring and control purpose. The monitoring results and control commands are synchronized between the main server and wireless sensor networks via local servers. The test results of the battery life time calculation and remote monitoring field test results are presented in the end of the paper.

Place, publisher, year, edition, pages
IEEE, 2011
Series
IEEE International Workshop on Enabling Technologies, ISSN 1524-4547
National Category
Engineering and Technology
Identifiers
urn:nbn:se:liu:diva-71523 (URN)10.1109/WETICE.2011.43 (DOI)978-1-4577-0134-4 (ISBN)
Conference
20th IEEE International Workshops on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE), 27-29 June, Paris, France
Available from: 2011-10-20 Created: 2011-10-20 Last updated: 2013-12-16Bibliographically approved
5. A Communication Reliability Enhancement Framework for Wireless Sensor Network Using the ZigBee Protocol
Open this publication in new window or tab >>A Communication Reliability Enhancement Framework for Wireless Sensor Network Using the ZigBee Protocol
2012 (English)In: Sensors & Transducers Journal, ISSN 2306-8515, E-ISSN 1726-5479, Vol. 135, no 12, 42-56 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents the methods for the ZigBee network reliability enhancement and the battery life time optimization. The paper begins with the introduction of the common communication problems due to the broken links between sensor module and message relay, or between different relays. Extra message hand shake mechanisms are added to solve different problem mentioned at the beginning. Finally, a general purpose reliability enhancement component is developed as a state machine which can be work together with ZigBee protocol to enhance ZigBee network communication reliability. Moreover, the battery life time of the sensor module during link broken is considerably increased after the enhancement.

Keyword
Communication reliability enhancement, ZigBee, Reusable, Reconfigurable
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:liu:diva-79896 (URN)
Note

On the day of the defence date the status of this article was "Manuscript" and the title was "A Communication Reliability Enhancement Framework for the ZigBee WirelessSensor Network".

Available from: 2012-08-15 Created: 2012-08-15 Last updated: 2017-12-07Bibliographically approved

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