A study on the optimum position and repeatability control of a pneumatic cylinder actuator using PLC and proximity sensors

Jung D. So; Gun-hoi Kim; Seung-hun Choi; Kyoung-chul Kim

doi:10.1117/12.784407

9 January 2008 A study on the optimum position and repeatability control of a pneumatic cylinder actuator using PLC and proximity sensors

Jung D. So, Gun-hoi Kim, Seung-hun Choi, Kyoung-chul Kim

Author Affiliations +

Proceedings Volume 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials; 67941J (2008) https://doi.org/10.1117/12.784407
Event: ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 2007, Gifu, Japan

Abstract

This research developed a position control system of the pneumatic cylinder to minimize an error of displacement of the pneumatic cylinder system and to increase the repeatability of displacement. The maximum air pressure of the position control test was 5 kg/cm² and the displacement accuracy of a stroke was measured by using a dial gauge. The supply- and discharge-side of air pressure and the length of the stroke of the pneumatic cylinder were adjusted and set before experiment. The test of the position control of the pneumatic cylinder was carried out 50 times at each supply- and discharge-side air pressure of 2.5/3.5, 3.0/4.0, 3.5/4.5, and 4.0/5.0 kg/cm² and replicated three times. The accuracy of the displacement of the pneumatic cylinder stroke increased as the supply- and discharge-side of air pressure increased with the fixed stroke length of 133 mm. Also it increased as the stroke length increased with the fixed supply- and dischargeside of air pressure of the pneumatic cylinder as 3.5/4.5 kg/cm². The most accurate displacement of the pneumatic cylinder (i.e., standard deviation of 0.01 mm) was obtained with the supply-and discharge-side of air pressure of 4.0/5.0 kg/cm²and the stroke length of 170 and 190 mm.

Citation Download Citation

Jung D. So, Gun-hoi Kim, Seung-hun Choi, and Kyoung-chul Kim "A study on the optimum position and repeatability control of a pneumatic cylinder actuator using PLC and proximity sensors", Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67941J (9 January 2008); https://doi.org/10.1117/12.784407

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KEYWORDS

Control systems

Sensors

Photonic integrated circuits

Switches

Actuators

Manufacturing

Metals

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