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A robust sliding mode controller design for a ball screw table driven by an air motor
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  • A robust sliding mode controller design for a ball screw table driven by an air motor
  • A robust sliding mode controller design for a ball screw table driven by an air motor
저자명
Shen. Yu-Ta,Hwang. Yean-Ren,Cheng. Chia-Sheng
간행물명
Journal of mechanical science and technology
권/호정보
2009년|23권 11호|pp.3005-3012 (8 pages)
발행정보
대한기계학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Air motors are often applied in the automation industry in areas with special requirements, such as in spark-prohibited environments, the mining industry, chemical manufacturing plants, and similar locations. The purpose of this study is to analyze the behaviors of a ball screw table powered by a vane-type air motor and to design a robust sliding mode controller for the inlet pressure. The rotational speed of the air motor is closely related to the pressure and flow rate of the compressed air. Furthermore, the compressibility of the air and the friction in the mechanism mean that the overall system is nonlinear, with fluctuating input. A robust sliding mode control is developed to overcome the effects of variations in the inlet pressure and air leakage problems. The experimental results validate the robustness of the proposed position control strategy.