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Motor current signature analysis (MCSA) provides a non-invasive approach to diagnose the gear fault. The performance of MCSA at different speed and load torque conditions is studied using Fast Fourier Transform (FFT) to extract fault features. The results show that it would be better to perform fault diagnosis under low speed and heavy load conditions. And it fails when adopting FFT to diagnose the...
This paper presents the design and experimental verifications of a three-phase, outer-rotor, dual-stator, wound-field flux switching machine for in-wheel traction applications. The design process began with performance comparisons of various stator-rotor combinations for a conventional one-stator design. A motor with 12-stator slot and 7-rotor pole was selected because it demonstrated performance...
In this paper, the adaptive controller is designed for permanent magnet synchronous motor (PMSM). Due to gain the good dynamic performance, the differential action is application in the torque observe equation. Advanced, the controller parameters are optimized by adaptive weighted particle swarm optimization (PSO). The simulation results show that the system with the proposed controller has the robust...
A fuzzy backstepping controller design for permanent magnet synchronous motor (PMSM) is presented in this paper. In order to gain good dynamics and robustness, the parameters of nonlinear controller based on backstepping technique is adjusted by fuzzy logic control, and the fuzzy logic control is optimized by adaptive weighted particle swarm optimization (PSO). The adaptive weighted PSO is efficient...
A nonlinear speed controller design for permanent magnet synchronous motor (PMSM) based on adaptive backstepping technique is presented in this paper. In order to improve the ability of torque estimation, the differential action is application in the torque observe equation. To achieve good dynamic performance and robust, the controller parameters are optimized by adaptive weighted particle swarm...
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