Discretisation of two degree-of-freedom controller and system with state, input and output delays

被引：30

作者：

Guo, SM ^{[1
]}

Wang, W ^{[1
]}

Shieh, LS ^{[1
]}

机构：

[1] Univ Houston, Dept Elect & Comp Engn, Houston, TX 77204 USA

来源：

IEE PROCEEDINGS-CONTROL THEORY AND APPLICATIONS | 2000年 / 147卷 / 01期

关键词：

D O I：

10.1049/ip-cta:20000128

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

An interpolation method for discretisation of a two degree-of-freedom analogue controller and system with state, input and output delays is presented. A Newton centre interpolation formula is used for discretisation of a continuous-time system with state, input and output delays. Also, a Newton backward extrapolation formula and Chebyshev quadrature formula are employed to carry out output-feedback digital redesign of a two degree-of-freedom controller for the delayed analogue system. The developed digital redesign method is then extended to perform discretisation of a Smith predictor for an input-delayed analogue system. The newly developed output-feedback state-matching digital redesign method provides an alternative methodology for indirect digital design of a continuous-time system with state, input and output delays.

引用

页码：87 / 96

页数：10

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