Nonlinear position control of electro-hydraulic servo system based on lyapunov robust integral backstepping controller
Michael Enyan,
Zhang Bing,
Rao Junsen
et al.
Abstract:In electro-hydraulic servo systems (EHSS), high nonlinearity and time-varying features limit the hydraulic actuator performance. In feedback-based systems, linearization reduces nonlinearities. Their cancellation may produce instability when modeling uncertainty exists. This work uses a robust nonlinear controller based on Lyapunov theory to control the nonlinear position of the electro-hydraulic servo system (EHSS). The dynamics of the system were modeled as extensively as possible, then a simplified mathemat… Show more
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