Servo System Performance Optimization Design Method Based on Weight Function Selection
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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.Abstract: 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 performance optimization design method is easy to compute and a simulation result is given to verify the proposed method's validation.
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