Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
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A Robust Track-following Control with Multiple Constraints Using Genetic Algorithm

유전자 알고리즘을 이용한 다중 제한 조건을 만족하는 강인 트랙 추종 제어

  • 이문노 (동의대학교 컴퓨터공학과) ;
  • 이홍규 (한국기술교육대학교 전기공학과) ;
  • 진경복 (한국기술교육대학교 메카트로닉스공학부)
  • Received : 2012.01.30
  • Accepted : 2012.03.02
  • Published : 2012.03.20
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Abstract

This paper presents a design method of a robust tracking controller satisfying multiple constraints using genetic algorithm. A robust $H_{\infty}$ constraint with loop shaping is used to address disturbance attenuation with error limits and a loop gain constraint is considered so as not to enlarge the tracking loop gain and bandwidth unnecessarily. The robust $H_{\infty}$ constraint is expressed by a matrix inequality and the loop gain constraint is considered as an objective function so that genetic algorithm can be applied. Finally, a robust tracking controller can be obtained by integrating genetic algorithm with LMI approach. The proposed tracking controller design method is applied to the track-following system of an optical DVD recording drive and is evaluated through the experimental results.

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References

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