한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제21권1호
  • /
  • Pages.124-132
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  • 2004
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

적응제어를 이용한 유압 액츄에이터의 특성개선에 관한 연구

A Study on the Characteristics Improvement of Fluid Power Actuator Using Adaptive Control

  • 염만오 (경남대학교 기계자동화공학부) ;
  • 윤일로 (경남대학교 기술혁신센터)
  • 발행 : 2004.01.01
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초록

A hydraulic system is difficult to keep the performance due to non-linearity, load pressure which changes according to working condition and system parameter variation, the requirement of control algorithm has been risen in order to satisfy them. An adaptive control is a control method which is suggested to achieve a control object though plant characteristics change. In spite of the case that plant characteristics and the degree of variation are difficult to grasp, adaptive control can keep the characteristics of closed-loop system regularly. In this study GMVAC(generalized minimum variance adaptive control) combined with output error feedback is proposed in order to solve problems of non-minimum phase, vibration and overshoot in initial response of the plant. The control performance according to the variation of characteristics of the plant is evaluated by changing the supply pressure only.

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참고문헌

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