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Structural Engineering and Mechanics Volume 54, Number 2, April7 2015 , pages 305-317 DOI: https://doi.org/10.12989/sem.2015.54.2.305 |
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Optimal sensor placement for health monitoring of high-rise structure based on collaborative-climb monkey algorithm |
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Ting-Hua Yi, Guang-Dong Zhou, Hong-Nan Li and Xu-Dong Zhang
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| Abstract | ||
| Optimal sensor placement (OSP) is an integral component in the design of an effective structural health monitoring (SHM) system. This paper describes the implementation of a novel collaborative-climb monkey algorithm (CMA), which combines the artificial fish swarm algorithm (AFSA) with the monkey algorithm (MA), as a strategy for the optimal placement of a predefined number of sensors. Different from the original MA, the dual-structure coding method is adopted for the representation of design variables. The collaborative-climb process that can make the full use of the monkeys\' experiences to guide the movement is proposed and incorporated in the CMA to speed up the search efficiency of the algorithm. The effectiveness of the proposed algorithm is demonstrated by a numerical example with a high-rise structure. The results show that the proposed CMA algorithm can provide a robust design for sensor networks, which exhibits superior convergence characteristics when compared to the original MA using the dual-structure coding method. | ||
| Key Words | ||
| optimal sensor placement; monkey algorithm; artificial fish swarm algorithm; collaborative -climb; modal assurance criterion | ||
| Address | ||
| Ting-Hua Yi, Hong-Nan Li and Xu-Dong Zhang: School of Civil Engineering, Dalian University of Technology, Dalian 116023, China Guang-Dong Zhou: College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China | ||