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2013, Volume 7, Issue 2

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Frontiers in Energy >> 2013, Volume 7, Issue 2 doi: 10.1007/s11708-013-0243-0

Toward a nonlinear control of an AC-DC-PWM converter dedicated to induction heating

1. Department of Electrical Engineering, LEC Laboratory, Constantine University, Constantine 25000, Algeria; 2. Department of Electrical Engineering, LMSE Laboratory, Biskra University, Biskra 07000, Algeria

Available online: 2013-06-05
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Abstract

In this paper, a nonlinear control strategy applied to an AC-DC-pulse width modulation (PWM) converter is developed and simulated. First a nonlinear system modeling is derived with state variables of the input current and the output voltage by using power balance of the input and output. The system is linearized and decoupled, and then a state feedback law is obtained. For robust control of parameter perturbation, integrators are added to the exact feedback control law. The simulation is provided to verify the validity of the control algorithm.

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