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http://dx.doi.org/10.5302/J.ICROS.2013.13.1882

EA-based Tuning of a PID Controller with an Anti-windup Scheme  

Jin, Gang-Gyoo (Division of IT, Korea Maritime and Ocean University)
Park, Dong-Jin (Dept. of Control and Instrumentation Engineering, Korea Maritime and Ocean University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.19, no.10, 2013 , pp. 867-872 More about this Journal
Abstract
Many practical processes in industry have nonlinearities of some forms. One commonly encountered form is actuator saturation which can cause a detrimental effect known as integrator windup. Therefore, a strategy of attenuating the effects of integrator windup is required to guarantee the stability and performance of the overall control system. In this paper, optimal tuning of a PID (Proportional-Integral-Derivative) controller with an anti-windup scheme is presented to enhance the tracking performance of the PID control system in the presence of the actuator saturation. First, we investigate effective anti-windup schemes. Then, the parameters of both the PID controller and the anti-windup scheme are optimally tuned by an EA (Evolutionary Algorithm) such as the IAE (Integral of Absolute Error) is minimized. A set of simulation works on two high-order processes demonstrates the benefit of the proposed method.
Keywords
PID controller; optimal design; actuator saturation; anti-windup; evolutionary algorithm;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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