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J.Soltani,M.Ghassemi,G. Reza Arab Markadeh 전력전자학회 2004 ICPE(ISPE)논문집 Vol.- No.-
This paper describes a sliding-mode(SM) torque control for an interior type Permanent synchronous motor (IPMSM) based on space vector modulation (SVM).The motor drive is supplied by a two-level SV-based PWM inverter, so that the inverter reference voltage is generated by two integral types sliding mode(SM) controllers in a stationary two axes reference frame. In addition, the rotor speed and rotor position are on-line estimated by a sliding-mode observer, which uses only the stator currents and voltages. The observer stability is proved by Lyapunov theory. The control strategies of maximum torque per ampere (MTPA) related to IPMSM, in<br/> constant torque region and the flux weakening operation in constant power region are considered. Computer simulation results obtained, well demonstrate the effectiveness of the proposed control approach.