Fault-Tolerant Control for Non-sinusoidal Seven-phase PMSMs with Similar Copper Losses - Archive ouverte HAL
Communication Dans Un Congrès Année : 2022

Fault-Tolerant Control for Non-sinusoidal Seven-phase PMSMs with Similar Copper Losses

Résumé

This paper proposes a strategy using new transformation matrices to calculate new current references when a non-sinusoidal seven-phase permanent magnet synchronous machine (PMSM) has an open-circuited phase. The new current references allow to obtain a smooth torque with similar copper losses in the remaining healthy phases even when the back electromotive force (back-EMF) is non-sinusoidal. A real-time current learning process using an adaptive linear neural network (Adaline) is applied to extract from measured currents useful harmonic components in torque generation. It improves torque quality, especially at high speed, even when standard proportional-integral (PI) controllers are applied. In addition, similar copper losses in the remaining phases with the new current references can avoid overheating of windings. The effectiveness of the proposed control strategy is validated by numerical results.
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Dates et versions

hal-03778942 , version 1 (16-09-2022)

Identifiants

Citer

Duc Tan Vu, Ngac Ky Nguyen, Eric Semail, Trung Hai Do. Fault-Tolerant Control for Non-sinusoidal Seven-phase PMSMs with Similar Copper Losses. 2022 IEEE 9TH INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND ELECTRONICS (ICCE 2022), Jul 2022, Nha Trang, Vietnam. ⟨10.1109/ICCE55644.2022.9852050⟩. ⟨hal-03778942⟩
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