Dae-Hyun Cho and Kyo-Beum Lee, "Sensorless Direct Torque Control for Interior Permanent-Magnet Synchronous Motors Using Square-Wave-Type Stator Flux Injection at Low-Speed Regions," Journal of Electrical Engineering & Technology, in press. -SCIE > Paper

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Paper

International Journals Dae-Hyun Cho and Kyo-Beum Lee, "Sensorless Direct Torque Control for Interior Permanent-Magnet Synchronous Motors Using Square-Wave-Type Stator Flux Injection at Low-Speed Regions," Journal of Electrical Engineering & Technology, in press. -SCIE

2021

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This paper proposes sensorless direct torque control for interior permanent-magnet synchronous motors using square-wave-type stator flux injection

at low-speed regions. The conventional sensorless method injecting sinusoidal type stator flux injection has complex signal processing and time delay

owing to the use of digital filters such as a band-pass filter and low-pass filter. In the proposed method injecting square-wave-type is advantageous in that the signal processing of estimating the rotor position is simplified and the time delay decreases because the low-pass filter is eliminated. The

validity of our proposed method is demonstrated via simulation and experimental results.

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