Improved constrained cascade control for parallel processes

doi:10.1016/S0967-0661(99)00049-0

Improved constrained cascade control for parallel processes

1999-08-01

23

PRE

AI

DOI：10.1016/S0967-0661(99)00049-0

原文链接

原文求助

摘要

En 中文

This paper addresses, first, the problem of constraint handling for a system with one input and multiple outputs, where one output must reach a given set point and the other outputs must lie between lower and an upper limits. Three algebraic solutions based on cascade control are outlined. One method employs the traditional cascade controllers, applied to serial transfer functions. The second uses cascade controllers applied to parallel transfer function processes. The latter method shows sensitivity to disturbance and tuning of inner loops. A third innovative method, called a pseudo-cascade controller, is introduced for parallel transfer functions. The new method allows independent tuning of the controllers, and requires no special anti-reset windup feature. An extension is also given for decoupled two-input processes. A simulated example and a distributed control design for an industrial application are given to illustrate the proposed methods. (C) 1999 Elsevier Science Ltd. All rights reserved.

Keyword:

cascade control

constraints

decoupling

saturation

Improved constrained cascade control for parallel processes

摘要

AI总结

期刊

机构

引用论文