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

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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Design and Analysis of a State Feedback Controller for a Ball and Beam System under AC and DC Noise

볼-빔 시스템에서 AC 와 DC 노이즈가 포함된 상태 궤환 제어기 설계 및 분석

  • Oh, Sang-Young (Department of Electrical Engineering, Dong-A University) ;
  • Choi, Ho-Lim (Department of Electrical Engineering, Dong-A University)
  • 오상영 (동아대학교 전기공학과) ;
  • 최호림 (동아대학교 전기공학과)
  • Received : 2014.01.02
  • Accepted : 2014.03.26
  • Published : 2014.06.01
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Abstract

In this paper, we propose a controller for a ball and beam system which reduces the measurement error effect under AC and DC noise. The ball and beam system measures data through a sensor. If sensor noise is included in a controller via the feedback channel, the signal is distorted and the entire system cannot work normally. Therefore, some appropriate action for the measurement error effect is essential in the controller design. Our controller is equipped with a gain-scaling factor and a compensator to reduce the effect of measurement error in the feedback signal. Effectively, our proposed controller can reduce the AC and DC noise of a feedback sensor. We analyze the proposed controller by Laplace transform technique and illustrate the improved control performance via an experiment for a ball and beam system.

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References

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