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This paper describes the causes of cogging torque in Permanent Magnet synchronous Motor. Establishes a motor model by ANSOFT software, uses Finite Element Method to quantitative analysis and comparative peak cogging torque and torque with notches at different locations, and different number of auxiliary slot. The conclusion is that notch reasonable can reduce the cogging torque of permanent magnet...
The magnetic torque model of the permanent magnet spherical motor is established by analyzing the finite element model of it in this paper. Then a support vector machine (SVM) model for the permanent magnet spherical motor is established based on machine learning algorithm. Finally, the optimal parameters of the permanent magnet spherical motor are calculated by using the simulated annealing algorithm...
In this paper, the problem of continuous tracking control for permanent magnet spherical motor (PMSM) is investigated. Based on the nonlinear rotor dynamic model, the adaptive output feedback control is employed. Among them, the unknown nonlinear model can be directly approximately by fuzzy logic system, while the robust items are used to compensate the estimated errors. Moreover, with the aid of...
Based on the principle of ant colony algorithm, combined with the characteristics of three-phase asynchronous motor design, this paper applies a Multi-Objective Ant Colony Algorithm (MOACA) to three-phase asynchronous machine design, the detail process of optimization design is given. The optimization results of typical examples indicate that this method is effective.
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