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This paper proposes a sensorless matrix-converter IPMSM drive system based on detecting the PWM switching-state current-ripples. By detecting the current-ripple of each PWM switching-state, the rotor position of the IPMSM can be estimated. As a result, the circuit of high-frequency sinusoidal voltage or current source is not required. A nonlinear controller is proposed here. The proposed nonlinear...
A chattering-free robust nonlinear controller is proposed for the speed control of an IPMSM drive system to compensate for the parameter uncertainties and load disturbances. First, the input-output feedback linearization technique is used with a load torque estimator. Next, the upper bounds of the uncertainties are defined in design of the chattering-free robust controller. After that, in order to...
TMs paper proposes a novel advanced controller design for an interior permanent magnet synchronous motor position control system. First, the input-output linearization technique is used to transfer the system model into a linear system. Next, based on the linear system model, an Hinfin controller is designed to achieve robust performance of the position control system. A digital signal processor,...
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