On model-based control of hydraulic actuators (original) (raw)

Proceedings of RAAD, 2003

Abstract

ABSTRACT-Electrohydraulic servosystems exhibit highly nonlinear behavior to the effect that classical linear controllers, eg, PD, usually achieve a limited performance. Load static and dynamic parameters variations are also contributing to the limitation of their position and force tracking performance. This paper presents a modelbased controller applied to a fully detailed model of an electrohydraulic servosystem aiming at improving its position and force tracking performance. Fluid, servovalve, cylinder and load dynamics are taken into ...

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