Research of Pump- Control Electro-Hydraulic Servo System Based on Multi-Mode Extension Control
Aiming at the contradiction between rapid response, stability and accuracy in position control of pump-control electro-hydraulic servo system, a multi-mode extension control electro-hydraulic servo system was proposed, applying extension method in system design. According to the characteristic information of the system, correlation function was established by multi-mode extension control switch. The movement process was divided into three parts according to correlative degree and controlled in each zone by Bang -Bang controller, fuzzy controller and PID controller respectively. Simulation results showed that the system had rapid response and strong robustness, and can realize high precision control.
H. B. Zheng et al., "Research of Pump- Control Electro-Hydraulic Servo System Based on Multi-Mode Extension Control", Advanced Materials Research, Vols. 317-319, pp. 2181-2188, 2011