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This paper investigates a new and simple control design for underatuated mechanical system with control diagram flow in tree structure. In such systems, the control input is related to more than one degree of freedom simultaneously. The idea is to include in the control law expression terms that act on theses variables at the same time. The procedure is applied to the stabilization of the popular...
In this article, we focus on the design of a robust control structure to extract the maximum power of a wind energy conversion system based on the Doubly-Fed Induction Generators (DFIG). The proposed algorithm combines the nonlinear approach Backstepping with the field-oriented control (FOC), the true and virtual control signals have been synthesized using a single channel for controlling the rotor...
This paper present a combined field orientation and backstepping control. This method is an elegant approach for nonlinear super twisting sliding-mode control of an induction motor. The objective is to improve the speed control, the rotor flux control and the rejection of load torque disturbances and parameter variations. Simulation results are given to show the performance obtained with this kind...
This paper deals with the problem of designing a new iterative learning control (ILC) for a class of strict-feedback nonlinear systems subject to both structured and unstructured uncertainties and dynamic disturbances. These systems are assumed to perform the same task repeatedly under alignment condition. Simple learning mechanisms are proposed to approximate the unknown nonlinear state-dependent...
A novel adaptive backstepping sliding mode control (ABSMC) law with fuzzy monitoring strategy is proposed for the tracking control of a cart-pendulum system. The proposed ABSMC scheme combining the sliding mode control and the backstepping technique, ensure that the occurrence of the sliding motion in finite time and the trajectory of the tracking error converge to equilibrium point. Furthermore,...
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