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Research on Performance of Pump-Controlled Motor Velocity Control System Based on PID

Author: XuZuo
Tutor: ZhangZuo
School: Chang'an University
Course: Mechanical and Electronic Engineering
Keywords: electro-hydraulic proportional control pump-controlled motor system PID control Single neuron adaptive PID control
CLC: TM921.5
Type: Master's thesis
Year: 2008
Downloads: 199
Quote: 4
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Abstract


Pump-Controlled Motor Velocity Control System has some advantages of high efficienc,small heat,long life-span,little moment of inertia and fast response velocity. It is served the turn in great speed and high-power field such as military and civil domain. With the development of control theory and computer technique, Pump-controlled motor velocity servo control system has been widely used in industrial field. The system’s speed can’t keep stable when its load changes. And some parameters may change during working process, so pump-controlled motor system is a typical complex nonlinear system. Therefore, at present, it is an important task for controlling system’s speed and conquering the interferences caused by the changes of load and its model.In this paper, firstly the development ,the feature , the characteristic and the components of electro-hydraulic proportional control system are introduced, then the mathematical model of the system based on the component and hydraulic pressure loop principle of electro-hydraulic proportional pressure and discharge test-bed are created. On this condition the basic principle of PID controller and Single neuron adaptive PID controller is introduced. Finally the pump-controlled motor system are Simulated with MATLAB using integral apart PID and Single neuron adaptive PID controller. The response picture with the load is analyzed.From the simulation results, the single neuron adaptive PID controller has the ability of network learning and adapting. It can greatly reduce dependence of variable pump-controlled motor system’s function. It indicated the method of variable pump-controlled motor system with the single neuron adaptive PID controller is befitting.

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CLC: > Industrial Technology > Electrotechnical > Electrification,electrical energy application > Electric drive ( electric drive ) > Control system
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