Position control for asymmetrical hydraulic cylinder system using a single on/off valve |
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| Authors: | Jun-bo Lei Xuan-yin Wang Zhi-peng Xu Yu-xi Luo Yang-jun Pi |
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| Institution: | (1) Department of Mechanical and Industrial Engineering, University of Toronto, 5 King’s College Road, Toronto, ON, Canada, M5S 3G8; |
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| Abstract: | A single on/off valve is used to carry out the position control of the asymmetrical hydraulic cylinder. The influence of the
nominal flow rate on the positional accuracy of piston is investigated and the proximate formula for calculating the nominal
flow rate of on/off valve is introduced. The system structure proposed in this paper could avoid cavitation and hyper pressure
in two chambers to some extent. The simulation results indicated that the control method in this paper could satisfy the expected
control requirements. |
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| Keywords: | on/off valves asvmmetrical hydraulic cvlinder position control |
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