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http://dx.doi.org/10.5302/J.ICROS.2009.15.7.655

A New Unified Method for Anti-windup and Bumpless Transfer  

Kim, Tae-Shin (인하대학교 전기공학과)
Kwon, Oh-Kyu (인하대학교 전기공학과)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.15, no.7, 2009 , pp. 655-660 More about this Journal
Abstract
In many real applications, the discrepancy problem between controller outputs and plant inputs or the abrupt variation problem of controller outputs can occur. These problems have a negative effect on control performance and stability. It is well-known that two phenomena called 'windup' and 'bump' cause these problems. So far these problems have been studied separately in each side of the anti-windup and the bumpless transfer. This paper proposes a new unified method combines the anti-windup and the bumpless transfer method using the linear quadratic minimization and a proper state space model representation for the anti-windup controller. The proposed method has a feature that it takes account of both the anti-windup and the bumpless transfer in one formula. Finally, we exemplify the performance of the proposed method via numerical examples using the controller switching between the anti-windup PID controller and the anti-windup LQ controller.
Keywords
anti-windup; bumpless transfer; controller switching; linear quadratic optimization;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
Times Cited By SCOPUS : 34
연도 인용수 순위
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