| 海洋平台地震响应的H∞控制 |
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| 引用本文： | 张文首,张力,岳前进,张向锋.海洋平台地震响应的H∞控制[J].计算力学学报,2009,26(5):633-637. |
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| 作者姓名： | 张文首 张力 岳前进 张向锋 |
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| 作者单位： | 大连理工大学,工业装备结构分析国家重点实验室,大连,116024 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 提出了将H_∞控制及平衡降阶法应用于结构主动控制的新方法.该方法首先利用平衡降阶法对结构进行降阶,然后利用降阶模型构造出H_∞控制器和H_∞观测器对结构进行控制;同时结合复模态理论和虚拟激励法,给出了系统分析的有效途径.本文最后以海洋平台地震响应的ATMD主动控制为例,验证了本文方法的有效性.
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| 关 键 词： | 平衡降阶法 H_∞控制 地震响应 海洋平台 H_∞ control |
| 收稿时间： | 2007/10/24 0:00:00 |
Seismic response of offshore platform with H_∞ controllers |
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| ZHANG Wen-shou,ZHANG Li,YUE Qian-jin and ZHANG Xiang-feng.Seismic response of offshore platform with H_∞ controllers[J].Chinese Journal of Computational Mechanics,2009,26(5):633-637. |
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| Authors: | ZHANG Wen-shou ZHANG Li YUE Qian-jin and ZHANG Xiang-feng |
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| Institution: | State Key Laboratory of Structure Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;State Key Laboratory of Structure Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;State Key Laboratory of Structure Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China;State Key Laboratory of Structure Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | A new method of active structural control which combines H_∞ controllers with balanced reduction method is presented in this paper. The model reduction is first carried out by balanced reduction method, then H_∞ controllers and H_∞ observers are used for structural control. An effective analysis approach is given in terms of complex modal superposition method and pseudo-excitation method. The method is validated by an example of ATMD active control of seismic responses of offshore platform. |
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| Keywords: | balanced reduction method seismic response offshore platform |
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