Journal of Institute of Control, Robotics and Systems (제어로봇시스템학회논문지)

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Speed control of AC servo system using a sliding control techniques

슬라이딩 제어기법을 이용한 교류 서보 시스템의 속도제어

  • Lee, Je-Hie (Dept.of Electric Engineering, Inha University) ;
  • Huh, Uk-Youl (Dept.of Electric Engineering, Inha University)
  • 이제희 (인하대학교 전기공학과) ;
  • 허욱열 (인하대학교 전기공학과)
  • Published : 1996.06.01
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Abstract

In this paper, a sliding mode controller which is characterized by high accuracy, fast response and robustness is applied to speed control of AC-SERVO motor. The control input is changed to the continuous one in the boundary layer to reduce the chattering phenomenon, and the boundary layer converges to zero when the state variables of system reach to steady state values. The integral compensator is added to reduce steady state error and to provide the continuous torque reference. The acceleration which is necessary for the sliding plane is estimated by an obsever. Sliding surface is included in control input to enhance the robustness and transient response without increasing sliding mode controller gain. The proposed controller is implemented by DSP(digital signal processor). The effectiveness of the proposed scheme is demonstrated through experimental works.

Keywords

References

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