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Pneumatic actuator positioning with pilot controlled check valves

Pawłowski Witold, Małek Adrian, Sikorski Jakub

Mechanics and Mechanical Engineering

2021

Vol. 25, nr 1

15--21

Tests of accuracy and repeatability of the pneumatic cylinder positioning in intermediate positions using a check valve are presented. The tests were performed under different loads and for different piston speeds and operating pressure in a pneumatic system with throttle check valves and an optical linear displacement sensor measuring the position of the actuator rod. Assessment of the effect of the cylinder performance parameters on the accuracy and repeatability of piston rod positioning was done and limitations and possible applications of the pneumatic cylinder positioning in intermediate positions with a check valve were identified.