Abstract
This paper describes the design and implementation of full order anti‐windup with an actuator amplitude‐rate limiter for an AC motor speed control system. Traditional schemes normally use a feedback type amplitude‐rate limiter which causes problems due to integral term and ensures local stability. Based on the Ersatz model of actuator amplitude‐rate limiter, existing anti‐windup architecture is modified with the incorporation of a rate term which removes the conservatism due to an integral term. Generalized Linear Matrix Inequalities (LMIs) are developed for a full order antiwindup compensator which ensures global stability and performance. For experimental validation, the developed scheme is implemented for a load driven AC motor speed control and practical results are shown for different selections of amplitude‐rate limits.
Published Version
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