Effects of Rotor Position Error in the Performance of Field-Oriented-Controlled PMSM Drives for Electric Vehicle Traction Applications

This paper analyzes the effects of the rotor position error in the performance of field-oriented-controlled permanent-magnet synchronous machine (PMSM) drives intended for electric vehicle (EV) traction applications. A special focus is given to the torque ripple generated along the characteristic tr...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2016-08, Vol.63 (8), p.4738-4751
Main Authors: Lara, Jorge, Jianhong Xu, Chandra, Ambrish
Format: Article
Language:English
Subjects:
Computer simulation
Electric vehicle (EV)
Electric vehicles
field-oriented control (FOC)
Mathematical model
permanent-magnet synchronous machine (PMSM)
Position errors
Regenerative
Ripples
rotor position error
Rotors
Stator windings
Torque
torque ripple
Traction
Trajectory
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Summary:This paper analyzes the effects of the rotor position error in the performance of field-oriented-controlled permanent-magnet synchronous machine (PMSM) drives intended for electric vehicle (EV) traction applications. A special focus is given to the torque ripple generated along the characteristic trajectories in the different operating regions of the PMSM. An extended and generalized model of the torque ripple produced by the PMSM as a function of the rotor position error is analytically deduced. An infinite-speed interior-(I)PMSM drive and a finite-speed surface-mounted (SM)-PMSM drive are considered for the simulations carried out in MATLAB-SimPowerSystems. The experimental results have been validated with a TM4 EV drive controlling an 80-kW SM-PMSM. The torque ripple has been evaluated for both motoring and regenerative braking operation modes under maximum torque conditions going from 100 N · m at 1000 r/min up to 55 N · m at 9000 r/min. The obtained simulation and experimental results demonstrate the good accuracy of the proposed model for evaluating the torque ripple produced in PMSMs due to the error from the rotor position sensor.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2016.2549983