基于加权函数选择的伺服系统性能优化设计方法  

Servo System Performance Optimization Design Method Based on Weight Function Selection

作　　者：姚郁[1] 傅绍文[1,2] 贺风华[1] 王晓晨[1] 

机构地区：[1]哈尔滨工业大学控制与仿真中心,哈尔滨150080 [2]北京航天自动控制研究所,北京100854

出　　处：《自动化学报》2009年第11期1470-1475,共6页Acta Automatica Sinica

基　　金：国家自然科学基金(60674043)资助~~

摘　　要：为了尽可能提高伺服系统的性能,提出一种基于加权函数选择的性能优化设计方法.首先,给出性能优化设计问题的描述;其次,给出了线性矩阵不等式(Linear matrix inequality,LMI)形式的优化指标;再次,提出一种基于加权函数选择的系统性能优化设计迭代算法;最后,利用Bode积分关系分析了算法的收敛性.所提出的系统性能优化设计算法易于迭代计算,仿真实例验证了算法的有效性.In order to get servo system＇s better performance, an optimization approach to system performance based on weight function selection is proposed. Firstly, the performance optimization design problem is described. Secondly, performance optimization design＇s linear matrix inequality （LMI） index is presented. Thirdly, an iterative algorithm based on weight function selection is proposed. Finally, the algorithm＇s convergence is analyzed based on Bode integral. The proposed per- formance optimization design method is easy to compute and a simulation result is given to verify the proposed method＇s validation.

关 键 词：性能加权函数 性能优化 Bode积分 线性矩阵不等式 

分 类 号：TM921.541[电气工程—电力电子与电力传动]