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Research on DTC Operation of Two-wheeled and Seated Self-balanced Vehicle at Full Speed Range
Pages: 87-91
Year: Issue:  2
Journal: Journal of Liaoning Institute of Technology(Natural Science Edition)

Keyword:  two wheeled and seated vehicleField weakening;
Abstract: To meet the different needs of the vehicle in high and low speed range, DTC operation of non-salient pole PMSM at full speed range was adopted as the control method of the system. The basic principle of the direct torque control, which was applied to the control of non-salient pole PMSM, was introduced. To improve the performance of the system and to meet the need of the vehicle in high speed range, MTPA theory and Fielding Weakening theory, are adopted in the PMSM DTC system. The Matlab simulation results show that this method has fast response, high precision, and satisfies the system requirements.
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