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本文介绍了多变量系统频域分析和设计方法的一些最新发展。在系统分析方面,主要介绍特征轨迹(CL)方法和主增益、主相位的方法。在系统综合方面,主要介绍方向排列(alignment)技术,鲁棒性准则和逆结构正则化(RFN)补偿器,最后作者们对多变量系统分析和设计中的频域法的研究前景进行了展望。
This article introduces some recent developments in frequency domain analysis and design methods for multivariable systems. In the aspect of system analysis, we mainly introduce the method of characteristic trajectory (CL) and main gain and main phase. In the aspect of system synthesis, we introduce the alignment technique, the robustness criterion and the inverse structure regularization (RFN) compensator. Finally, the author makes a prospect of the research prospect of frequency domain method in multivariate system analysis and design .