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Author: | Cosar, Emre Ilke |
Title: | A Wireless Toolkit for Monitoring Applications |
Publication type: | Master's thesis |
Publication year: | 2009 |
Pages: | 93 Language: eng |
Department/School: | Elektroniikan, tietoliikenteen ja automaation tiedekunta |
Main subject: | Automaatiotekniikka (AS-84) |
Supervisor: | Koivo, Heikki |
Instructor: | Eriksson, Lasse |
Electronic version URL: | http://urn.fi/URN:NBN:fi:aalto-201203071350 |
OEVS: | Electronic archive copy is available via Aalto Thesis Database.
Instructions Reading digital theses in the closed network of the Aalto University Harald Herlin Learning CentreIn the closed network of Learning Centre you can read digital and digitized theses not available in the open network. The Learning Centre contact details and opening hours: https://learningcentre.aalto.fi/en/harald-herlin-learning-centre/ You can read theses on the Learning Centre customer computers, which are available on all floors.
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Location: | P1 Ark S80 | Archive |
Keywords: | wireless monitoring performance optimization condition monitoring structural health monitoring crane monitoring wireless sensors controller tuning wireless sensor networks |
Abstract (eng): | Monitoring the behavior of physical structures and processes gives valuable information about their condition and performance. This information can be used to improve safety, reliability and performance of the monitored physical structure. Complex systems of today require efficient and intelligent monitoring strategies which will help forming cause-effect relations between certain variables and problems. Wireless sensing is a promising technology for monitoring applications due to its advantages, e.g., in installation times and costs. Many systems were successfully implemented over the last decade. However these systems are often hard to use and designed for a specific purpose. Moreover, high sampling rate data collection with these systems can take long times due to limited bandwidth of the wireless networks. In this thesis, a wireless monitoring toolkit is developed and it can be defined as a portable, easy-to-use, simple-to-setup and fast monitoring system to be used for simultaneous multi-parameter monitoring of physical structures and processes. The toolkit consists of user interfaces, a novel data acquisition system which optimizes wireless communication speed in the network, a real-time monitoring application, a communication test application, a high sampling rate application, and wireless sensors hardware equipped with multiple sensors and IEEE 802.15.4 radios. Real-time monitoring application has a flexible, reliable and efficient structure due to its dynamic and multi-task operation. These two features distinguish this application from other wireless monitoring applications. Tests on a wooden bridge, a laboratory scale trolley crane, and an industrial bridge crane show that the developed system works seamlessly in industrial environments as well as in laboratory environments. Data collected in these case studies provide valuable information about the condition and performance of the monitored structures and systems, as shown by the data analysis performed. The thesis includes a review of state of the art wireless monitoring systems and determines framework of a general purpose wireless monitoring system to be used for condition monitoring and performance optimization purposes. |
ED: | 2009-11-03 |
INSSI record number: 38548
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