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The constant speed control of variable speed pump controlled motor system is discussed in this paper. A dynamic surface controller is chosen to improve robustness of motor speed when rotational speed of variable pump is time-varying. In the presence of bounded parametric uncertainties, an adaptive control scheme with parameter estimation is presented. Load torque used in dynamic surface controller...
This paper focuses on the speed control of the hydraulic secondary regulation system, which has a wide application prospect in hydraulic drive due to its high system efficiency, fast dynamic response and energy recovery capability. To obtain its robust speed control under the conditions of load disturbances and system parameters variations, an active disturbance rejection controller in conjunction...
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