Position Tracking Control Method of Electro-hydraulic Servo System Considering Input Time Delay Constraints
An electro-hydraulic servo system, tracking control technology, applied in the direction of program control, computer control, general control system, etc., can solve the problem of few non-linear system control strategies
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[0099] In order to assess the performance of the designed controller, the parameters in Table 1 are taken in the simulation to model the electro-hydraulic servo system:
[0100] Simulation parameters of electro-hydraulic servo system
[0101]
[0102] Build the system simulation model in MATLAB / Simulink. The simulation step size is set to 0.0005s. The sampling time is 30 seconds. By building a system model for Simulink and applying MATLAB to add the control law to the controller, the parameters in the controller are selected as follows: k 1 =4000,k 2 =1000,k 3 =20,k r =2.
[0103] According to different system working conditions, the simulation process is divided into three parts:
[0104] ①Low speed and small time lag
[0105] Specify the desired position output command of the electro-hydraulic servo system as: x d (t)=0.03sin(0.2πt)[1-exp(-0.01t 3 )]m, at this time it is a low-speed working condition, the specified time lag is 5ms, and the comparison before and ...
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