Time Delay Compensation in the Frequency Domain

被引：0

作者：

Albertos, Pedro ^{[1
]}

Yuz, Juan, I ^{[2
,3
]}

机构：

[1] Univ Politecn Valencia, Inst Automat & Informat Ind, Valencia, Spain

[2] Univ Tecn Federico Santa Maria, Dept Elect Engn, Valparaiso, Chile

[3] Univ Tecn Federico Santa Maria, Adv Ctr Elect & Elect Engn AC3E, Valparaiso, Chile

来源：

2022 IEEE 17TH CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA) | 2022年

关键词：

D O I：

10.1109/ICIEA54703.2022.10005919

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

It is well-known that the design of the control for a given plant becomes more difficult if there are time delays in the control loop. The classical approach in this situation is to try to extract the delay from the control loop and design the control for the delay-free plant. In this paper, the effects of the time delay in the controlled plant are analyzed in the frequency domain and filters are designed to counteract these effects. The perfect filter is not realizable and some approximations are suggested. From this viewpoint, the dynamics of the plant are not so relevant in such a way that the approach can be applied for any stable/unstable minimum phase/non-minimum phase plant. Another option is the use of a notch filter to reshape the frequency response and increase the phase margin of the controlled plant. Several examples illustrate the results.

引用

页码：126 / 131

页数：6

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