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Design of Disturbance Observer Considering Robustness and Control Performance (2) : It's Application for Optical Disc Drive Servo System

강인성과 제어 성능을 고려한 외란 관측기의 설계 (2) : 광 디스크 드라이브 서보 시스템에의 적용 실험

  • 김홍록 (한양대 전자통신전파공학과) ;
  • 최영진 (KIST 지능제어연구센터) ;
  • 서일홍 (한양대 정보통신대학원) ;
  • 정완균 (포항공대 기계공학과) ;
  • 박명관 (동양대 컴퓨터제어공학과) ;
  • 이경호 (삼성전자 OMS사업부)
  • Published : 2003.04.01

Abstract

The disturbance observer (DOB) has been widely utilized fer high precision and high speed motion control application. However, it still lacks the analysis for the robustness brought by using DOB. This paper summarizes six guidelines for the design of DOB taking into account the robustness and control performance in case of the second order system. For effectiveness of the proposed guideline, the actual implementation and experimental results of the DOB is compared in the Optical Disk Drive(ODD) servo system. In the DVD player and DVD-ROM drive, the guidelines of DOB are useful, and the disturbance rejection performance is improved under the DOB system.

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