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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...
This paper proposes a nonlinear speed controller for an interior permanent magnet synchronous motor (IPMSM) drive system. First, the input-output feedback linearization control is used to derive a linearized model including load torque variations and lumped parameter uncertainties. In order to reduce the influence of load torque disturbances on the linearized model, an external load torque estimator...
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,...
This paper proposes a field weakening control algorithm with a nonlinear speed-loop controller for an interior permanent magnet synchronous motor. By using the proposed method, the adjustable speed range can be extended to 1.6 times that of the based speed. The method includes the constant torque region and the constant power region. In addition, an adaptive backstepping speed-loop controller is designed...
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