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Real-Time Wireless Data Acquisition for Structural Health Monitoring and Control
Linderman, Lauren E.; Mechitov, Kirill A.; Spencer, Billie F., Jr.
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https://hdl.handle.net/2142/25420
Description
- Title
- Real-Time Wireless Data Acquisition for Structural Health Monitoring and Control
- Author(s)
- Linderman, Lauren E.
- Mechitov, Kirill A.
- Spencer, Billie F., Jr.
- Issue Date
- 2011-06
- Keyword(s)
- communication protocol
- real-time systems
- smart sensors
- wireless sensor networks
- data acquisition
- Abstract
- Wireless smart sensor networks have become an attractive alternative to traditional wired sensor systems in order to reduce implementation costs of structural health monitoring systems. The onboard sensing, computation, and communication capabilities of smart wireless sensors have been successfully leveraged in numerous monitoring applications. However, the current data acquisition schemes, which completely acquire data remotely prior to processing, limit the applications of wireless smart sensors (e.g., for real-time visualization of the structural response). While real-time data acquisition strategies have been explored, challenges of implementing highthroughput real-time data acquisition over larger network sizes still remain due to operating system limitations, tight timing requirements, sharing of transmission bandwidth and unreliable wireless radio communication. This report presents the implementation of real-time wireless data acquisition on the Imote2 platform. The challenges presented by hardware and software limitations are addressed in the application design. The framework is then expanded for highthroughput applications that necessitate larger networks sizes with higher sampling rates. Two approaches are implemented and evaluated based on network size, associated sampling rate, and data delivery reliability. Ultimately, the communication and processing protocol allows for nearreal- time sensing of 108 channels across 27 nodes with minimal data loss.
- Publisher
- Newmark Structural Engineering Laboratory. University of Illinois at Urbana-Champaign.
- Series/Report Name or Number
- Newmark Structural Engineering Laboratory Report Series 029
- ISSN
- 1940-9826
- Type of Resource
- text
- Language
- en
- Permalink
- http://hdl.handle.net/2142/25420
- Copyright and License Information
- Copyright held by the authors. All rights reserved.
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Newmark Structural Laboratory Report Series (NSEL Report Series ISSN 1940-9826) PRIMARY
Report series highlights research conducted at the Newmark Structural Engineering LaboratoryManage Files
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