Design of feedforward controllers for multivariable plants
作者:
H. SERAJI,
期刊:
International Journal of Control
(Taylor Available online 1987)
卷期:
Volume 46,
issue 5
页码: 1633-1651
ISSN:0020-7179
年代: 1987
DOI:10.1080/00207178708934001
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Simple methods for the design of feedforward controllers to achieve steady-state disturbance rejection and command tracking in stable multivariable plants are developed in this paper. The controllers are represented by simple and low-order transfer functions and are not based on reconstruction of the states of the commands and disturbances. For unstable plants, it is shown that the present method can be applied directly when an additional feedback controller is employed to stabilize the plant. The feedback and feedforward controllers do not affect each other and can be designed independently based on the open-loop plant to achieve stability, disturbance rejection and command tracking, respectively. Numerical examples are given for illustration.
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