Abstract
This paper establishes the state-space model of the cup rotor permanent-magnet doubly fed machine in the synchronous reference frame. The feedback-linearization control method is used to realize the decoupling control of flux and torque. Then, the upper and lower load torque boundaries are solved. Furthermore, to minimize the stator current magnitude of the control machine under a certain torque, the maximum torque per ampere (MTPA) control is derived. Finally, simulation results demonstrate the good decoupling performance of the feedback-linearization control method and the correctness of the load torque boundaries. In addition, the effectiveness and robustness of the proposed control methods are also demonstrated.
Highlights
Linearization and Maximum TorqueIn order to alleviate the pressure of energy shortage and environmental pollution, a hybrid system is widely used [1]
The feedback-linearization control method is designed to tory, for the cup rotor permanent-magnet doubly fed machine, a new type of machine, this realize the decoupling control of the flux andintorque, and the load capacity of thisframe
While responding to the pedal-torque reference value, according to the output speed of the machine, the ICE speed can be optimized by adjusting the power-supply frequency of the stator of the control machine to improve its efficiency and reduce fuel consumption
Summary
In order to alleviate the pressure of energy shortage and environmental pollution, a hybrid system is widely used [1]. Method based on this [20,21]; the improvement of direct torque control setting boratory, for the cup model rotor permanent-magnet doubly fed machine, a newbytype of mathe inner loop of the flux-angle [15]; and the maximum load capacity of the BDFM [22]. Chine, this paper first establishes the state-space model in the unified synchronous referAccording to the research results of the BDFM and the research ideas of the authors’ laboraence frame Based on this model, the feedback-linearization control method is designed to tory, for the cup rotor permanent-magnet doubly fed machine, a new type of machine, this realize the decoupling control of the flux andintorque, and the load capacity of thisframe.
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