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$H_ {\infty}$ PID Controller Design for an Attraction Type Magnetic Levitation System  

Kim, Seog-Joo (한국전기연구원 계측제어그룹)
Kim, Chun-Kyung (한국전기연구원 계측제어그룹)
Kwon, Soon-Man (한국전기연구원 계측제어그룹)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.9, 2008 , pp. 1624-1627 More about this Journal
Abstract
This paper deals with a linear matrix inequality (LMI) approach to the design of a PID controller for an attraction type magnetic levitation system. First, we convert the $H_ {\infty}$ PID controller problem into a static output feedback problem. We then solve the static output problem by using the recently developed penalty function method. Numerical experiments show the effectiveness of the proposed algorithm.
Keywords
Magnetic levitation system; PID; Linear matrix inequality;
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