【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.更多还原

【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.更多还原