Abstract
This paper aims to study the hybrid control of a five-phase permanent-magnet synchronous machine improved by the space vector modulation (SVM) technique. The torque ripples and currents will therefore be reduced. This control is based on the theory of hybrid dynamic systems (HDS), its discrete component is the voltage inverter which has a finite number of states controlling the continuous component that represents the machine. The results of the simulation made on MATLAB/Simulink are presented and discussed in order to check the performance of the strategy of the studied control. They show, in particular, the main advantages of this control manifesting the good dynamic of the electromagnetic torque and the robustness against the parametric variations.
Highlights
In recent years, multiphase machine application has been widely promoted by researchers in many fields such as electronic vehicles, railway traction, all-electric ships, electric aircraft, and wind power generation systems [1,2,3,4,5,6,7]
The output of its regulator is the electromagnetic reference torque. This type of control based on an hybrid dynamic systems (HDS) class model, i.e. modeling includes at the same time continuous and discrete variables [28,29,30,31,32,33], in the sense that the ”discrete” behavior of the voltage inverter and the ”continuous” behavior of the machine are taken into account in a unified manner during the modeling process
The obtained model was simulated using MATLAB/Simulink, and the results of this simulation are presented and compared with that of the vector control to check the performance of this control
Summary
Multiphase machine application has been widely promoted by researchers in many fields such as electronic vehicles, railway traction, all-electric ships, electric aircraft, and wind power generation systems [1,2,3,4,5,6,7]. The output of its regulator is the electromagnetic reference torque This type of control based on an hybrid dynamic systems (HDS) class model, i.e. modeling includes at the same time continuous and discrete variables [28,29,30,31,32,33], in the sense that the ”discrete” behavior of the voltage inverter and the ”continuous” behavior of the machine are taken into account in a unified manner during the modeling process. Choosing the closest direction to the reference state, we apply the corresponding configuration to the chosen direction during an optimized time by respecting the constraint of linearity of the trajectories In this favorable context to the development of new methods, the work presented in this paper aimed to improve and apply this hybrid approach for the torque control of the five-phase machines, while benefiting from the SVM technique. The obtained model was simulated using MATLAB/Simulink, and the results of this simulation are presented and compared with that of the vector control to check the performance of this control
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