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Research of Pump- Control Electro-Hydraulic Servo System Based on Multi-Mode Extension Control
Abstract:
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.
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Pages:
2181-2188
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Online since:
August 2011
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© 2011 Trans Tech Publications Ltd. All Rights Reserved
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