Abstract

Sliding Mode Variable Structure(SMC) based on index approaching rate to control tension is used in this paper,because the lead sheet uncoiler electro-hydraulic tension control system parameters exist many problems,such as:time-varying,coupling multiple interference and so on.Through Matlab/Simulink simulation tool to make simulationanalysis for the electro-hydraulic proportional tensio control model,and comparing with PIDcontrol.The simulation results shows that SMC control is better than PID control.The system can be strongly adaped to parameters time-varying interference and has strong robustness.

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