Techno Press
Techno Press

Smart Structures and Systems   Volume 12, Number 3, September=October 2013, pages 271-290
Diagnosis and recovering on spatially distributed acceleration using consensus data fusion
Wei Lu, Jun Teng and Yanhuang Zhu

Abstract     [Full Text]
    The acceleration information is significant for the structural health monitoring, which is the basic measurement to identify structural dynamic characteristics and structural vibration. The efficiency of the accelerometer is subsequently important for the structural health monitoring. In this paper, the distance measure matrix and the support level matrix are constructed firstly and the synthesized support level and the fusion method are given subsequently. Furthermore, the synthesized support level can be served as the determination for diagnosis on accelerometers, while the consensus data fusion method can be used to recover the acceleration information in frequency domain. The acceleration acquisition measurements from the accelerometers located on the real structure National Aquatics Center are used to be the basic simulation data here. By calculating two groups of accelerometers, the validation and stability of diagnosis and recovering on acceleration based on the data fusion are proofed in the paper.
Key Words
    accelerometer diagnosis; information recovering; data fusion; structural health monitoring
Wei Lu, Jun Teng and Yanhuang Zhu : Harbin Institute of Technology Shenzhen Graduate School, Shenzhen, China

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