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This paper presents an initial rotor position estimation method for low saliency interior permanent-magnet synchronous motor (IPMSM) drives. The method injects signals into the stationary α-β frame of the motor and substitutes the injected signals into the stationary α-β frame model of the motor to solve for the rotor position. In particular, the method injects specific signals into the motor to eliminate...
A new method to estimate the induction-motor stator and rotor resistance (Rs and Rr) and temperature (Ts and Tr) was proposed in this paper. Two signals with proper frequencies that yield high sensitivities of the terminal measurement to Rs and Rr at a given rotor speed are injected to the induction machine to estimate Rs and R r. The estimated Rs and Rr are then used to estimate Ts and Tr, respectively,...
A new method to estimate the induction motor stator and rotor resistance (Rs and Rr) and temperature (Ts and Tr) was proposed in this paper. Two signals with proper frequencies that yield high sensitivities of terminal measurement to Rs and Rr at a given rotor speed are injected to the induction machine to estimate Rs and Rr. The estimated Rs and Rr are then used to estimate Ts and Tr respectively,...
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