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A Unified Framework for the Study of Anti-Windup Designs

Kothare, Mayuresh V. and Campo, Peter J. and Morari, Manfred and Nett, Carl N. (1993) A Unified Framework for the Study of Anti-Windup Designs. California Institute of Technology , Pasadena, CA. (Unpublished)

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We present a unified framework for the study of linear time-invariant (LTI) systems subject to control input nonlinearities. The framework is based on the following two-step design paradigm: "Design the linear controller ignoring control input nonlinearities and then add anti-windup bumpless transfer (AWBT) compensation to minimize the adverse eflects of any control input nonlinearities on closed loop performance". The resulting AWBT compensation is applicable to multivariable controllers of arbitrary structure and order. All known LTI anti-windup and/or bumpless transfer compensation schemes are shown to be special cases of this framework. It is shown how this framework can handle standard issues such as the analysis of stability and performance with or without uncertainties in the plant model. The actual analysis of stability and performance, and robustness issues are problems in their own right and hence not detailed here. The main result is the unification of existing schemes for AWBT compensation under a general framework.

Item Type:Report or Paper (Technical Report)
Additional Information:Financial support for this project from the National Science Foundation is gratefully acknowledged.
Group:Control and Dynamical Systems Technical Reports
Record Number:CaltechCDSTR:1993.011
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Usage Policy:You are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format.
ID Code:28048
Deposited By: Imported from CaltechCDSTR
Deposited On:29 Aug 2006
Last Modified:03 Oct 2019 03:28

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