Sensitivity reduced design of discrete linear regulator with prescribed degree of stability
作者:
M.Gopal,
J.G.Ghodekar,
期刊:
IEE Proceedings D (Control Theory and Applications)
(IET Available online 1983)
卷期:
Volume 130,
issue 5
页码: 261-266
年代: 1983
DOI:10.1049/ip-d.1983.0045
出版商: IEE
数据来源: IET
摘要:
A method is proposed for the design of constant-gain feedback control laws which reduce trajectory sensitivity to small system parameter variations and ensure the prescribed degree of stability for discrete-time systems. The selected performance index is of standard linear regulator type; modified to include a quadratic sensitivity term and weighting function (α)2kwith α > 1, which ensures that the closed-loop poles will lie inside the circle of radius 1/α in the complex plane. An example of a two-area load frequency control system is presented to illustrate the application of the design procedure.
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