FAST健康监测中传感器优化配置的研究进展
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摘要
500m口径球面射电望远镜(Five-hundred-meter Aperture Spherical radio Telescope,简称FAST)是我国在建的世界上最大的单口径射电望远镜。FAST结构庞大、组成复杂、控制困难,因此急需对其进行健康监测。传感器优化配置在健康监测中至关重要,优化方法的选择直接关系到优化计算的效率和可行性。本文基于不同优化方法的基本原理,对目前用于传感器优化布置的几种优化算法的研究进展进行了分类介绍,对传感器优化布置研究中存在的问题进行了分析,并对其发展趋势进行了展望。
Five-hundred-meter Aperture Spherical radio Telescope(FAST for short) is the largest single aperture radio telescope we are building in the world.FAST has the characteristics with complicated mechanism,huge structure,and difficult to control,so it is eager to monitor the health condition.Optimal placement of sensors is a combinatorial optimization problem which is of great significance in health monitoring system.Optimization method directly related to the feasibility and efficiency of optimization calculation.According to the basic principles of different optimization methods,a classified introduction for the research status of optimization algorithms used for optimal placement of sensor was given.The problems existed in the optimal placement research of sensor were analyzed,and its development trend was prospected.
Five-hundred-meter Aperture Spherical radio Telescope(FAST for short) is the largest single aperture radio telescope we are building in the world.FAST has the characteristics with complicated mechanism,huge structure,and difficult to control,so it is eager to monitor the health condition.Optimal placement of sensors is a combinatorial optimization problem which is of great significance in health monitoring system.Optimization method directly related to the feasibility and efficiency of optimization calculation.According to the basic principles of different optimization methods,a classified introduction for the research status of optimization algorithms used for optimal placement of sensor was given.The problems existed in the optimal placement research of sensor were analyzed,and its development trend was prospected.
引文
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[13]Pan C T.On the existence and computation of rank revealing LU factorization[J].Linear Algebra and Its Applications,2000,316:199-222.
[2]Kammer D C,Tinker M L.Optimal placement of triaxial ac-celerometers for modal vibration tests[J].Mechanical Sys-tems and Signal Processing,2004(18):29-41.
[3]李宏男,李东升.土木工程结构安全性评估、健康监测及诊断述评[J].地震工程与工程振动,2002,22(3):82-90.
[4]黄民水,朱宏平,李炜明.基于改进遗传算法的桥梁结构传感器优化布置[J].振动与冲击,2008(3):82-86.
[5]Kammer D C.Sensor placement for on orbit modal identifica-tion and correlation of large space structure[J].AIAA Jour-nal,1991,26(1):104-121.
[6]崔飞,严万诚,史家均.传感器优化布设在桥梁健康监测中的应用[J].同济大学学报,1999,27(2):165-169.
[7]Shi Z Y,Law S S,Zhang L M.Optimizing sensor placementfor structural damage detection[J].Journal of EngineeringMechanics,ASCE,2000,126(11):1173-1179.
[8]Heo G,Wang M L,Satpathi D.Optimal transducer place-ment for health monitoring of long span bridge[J].Soil Dy-namic and Earthquake Engineering,1997,16:495-502.
[9]Penny J E T,Friswell M I,Garvey S D.Automatic choice ofmeasurement location for dynamic testing[J].AIAA Journal1994,32(2):407-414.
[10]Friswell M I,Mottershead J E.Finite element model upda-ting in structural dynamics[J].Boston:Kluwer Academic Publisher,1995.
[11]李戈,秦权,董冲.用遗传算法选择悬索桥检测系统中传感器的最优布点[J].工程力学,2002,17(1):25-34.
[12]Shih Y T,Lee A C,Chen J H.Sensor and actuator place-ment for modal identification[J].Mechanical Systems and Signal Processing,1988,13:641-659.
[13]Pan C T.On the existence and computation of rank revealing LU factorization[J].Linear Algebra and Its Applications,2000,316:199-222.
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