Control of a hydraulic servo system using sliding mode with an integral and realizable reference compensation (original) (raw)

2015, Journal of Control Engineering and Applied Informatics

In this paper a control law was designed to accurately control the rod position of hydraulic servo system. Infact, due to its having a nonlinear model, the hydraulic servo system is not accurately stabilizedby a proportional controller and suffers from wind up phenomenon when applying the PI controller.To overcome the problems encountered by the action of these linear controllers, a sliding modecontroller with an integral and realizable reference compensation is used to obtain an accurateposition in addition to having a short settling time. The efficiency of the proposed scheme isillustrated using numerical simulations.

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