2020 年 140 巻 7 号 p. 550-561
This paper proposes a new torque-sensorless ripple-reduction torque control method for synchronous reluctance motors, which evolve torque ripples depending on the rotor position by the sinusoidal stator current. The proposed method, which requests the construction of a vector control system with a special command converter, has the following attractive features. (a) The average evolved torque matches its torque command. (b) The torque ripple can be considerably reduced. (c) The current command generated from the torque command is on the trajectory for efficient drives. (d) It is analytical and simple. The effectiveness of the proposed method is validated through extensive simulations.
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