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Yang Jian
Xu Bing
Yang Huayong
Huang Fangping
State Key Laboratory of Fluid Power
Transmission and Control,
Zhejiang University,
Hangzhou 310027, China |
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STARTING
RAPIDITY AND EVEN
SPEED FOR ELECTRO-HYDRAULIC
PROPORTIONAL POSITION
CONTROL SYSTEM*
Abstract: According to the work conditions of a press machine, the theoretical and experimental research on the starting rapidity and the even speed are carried out for an electro-hydraulic proportional position control system (EHPPCS) with a single-rod cylinder. Numerical simulations are carried out in the toolbox SIMULINK of MATLAB. In experiments, PID control law is adopted, because the PID control algorithm is simple in operation, is characteristics of good computer real-time control, and possesses the good adaptability of changing parameters of control system itself and controlled object. The results of simulations and experiments show that the EHPPCS has excellent starting rapidity, excellent even speed and higher position control precision.
Key words:
EHPPCS Starting rapidity Even speed Real-time control Simulations PID control |