京基100大厦AMD控制系统在线计算关键技术研究
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摘要
研究了京基100大厦AMD控制系统在线计算的关键技术。为实施在线实时控制,采用集中质量法将原结构简化为二维串联多自由度模型,且所建模型能较好地反应原结构动力特性,为结构主动控制在线计算提供了兼顾计算精度和效率的数值模型;分别设计了H2/LQR控制算法、极点配置算法、模糊神经网络控制算法等三种主动控制算法,并进行了对比分析,得到了合适的算法及相关参数;设计了基于加速度的状态观测器,基于此观测器确定了加速度传感器的安装位置。
The key techniques for implementation of online algorithms for AMD control system used in KK100 are studied in this paper.For the feasibility to execute real-time control,the structure was simplified to a reduced order model,which almost has the same dynamic properties as the original structure,and can meet the precision and efficiency requirements.Based on the reduced order model,three online active control algorithms including H2/LQR,pole assignment,and fuzzy control algorithm were designed and parameters are optimized and analyzed.The pole assignment algorithm is selected for the real AMD control application of KK100 with the three algorithms comparison.Meanwhile,an acceleration-based state observer is designed,with which the locations of accelerometers are determined.
The key techniques for implementation of online algorithms for AMD control system used in KK100 are studied in this paper.For the feasibility to execute real-time control,the structure was simplified to a reduced order model,which almost has the same dynamic properties as the original structure,and can meet the precision and efficiency requirements.Based on the reduced order model,three online active control algorithms including H2/LQR,pole assignment,and fuzzy control algorithm were designed and parameters are optimized and analyzed.The pole assignment algorithm is selected for the real AMD control application of KK100 with the three algorithms comparison.Meanwhile,an acceleration-based state observer is designed,with which the locations of accelerometers are determined.
引文
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[2]Aizawa S,Fukao Y,et al.An Experimental Study on the Active Mass Damper.Proceedings of9th World Conference on Earthquake Engineering[J].Tokyo-Kyoto,Japan.1988,5:871-876.
[3]Cao H,Reinhorn A M,Soong T T.Design of an active mass damper for a tall TV tower in Nanjing,China[J].Engineering Structures.1998,20(3):134-143..
[4]刘季,滕军.结构在地震作用下的主动自校正控制计算方法[J].地震工程与工程振动,1991,11(2):73-83.
[5]宋根由.结构主动控制(AMD)系统试验分析[D].哈尔滨:哈尔滨建筑大学,1996.
[6]刘季,周永程,雷立宏.结构主动控制AMD系统分析及优化设计[J].地震工程与工程振动,1996,16(3):56-60.
[7]田石柱,刘季.结构模型AMD主动控制实验[J].地震工程与工程振动,1999,19(4):90-94.
[8]欧进萍,王刚,田石柱.海洋平台结构振动的AMD主动控制试验研究[J].高技术通讯,2002,10:85-90.
[9]李惠,铃木祥之,吴波.AMD控制结构地震反应的试验研究[J].振动工程学报,1999,12(2):223-228.
[10]欧进萍.结构振动控制-主动,半主动和智能控制[M].北京:科学出版社,2003.
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