Improved direct torque control of permanent magnet synchronous motor in electric vehicle drive

Xu, Jian; Tang, Renyuan; Ouyang, Minggao

doi:10.1109/vppc.2008.4677438

Cited by 7 publications

(4 citation statements)

References 7 publications

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“…The permanent magnet synchronous motor (PMSM) has advantages such as small size, being light-weight, high efficiency, electromagnetic torque being too great and strong overload capacity and is usually used as the traction motor for the electric vehicle. 15 Based on the mathematical model of the PMSM under the rotor magnetic rotation flux d - q coordinate system, the magnetic torque of the PMSM basically depends on the quadrature axis and direct axis components of the stator current. Under vector control, the stator current vector is located on the q axis without d -axis component by adopting the rotor flux oriented i d = 0 control strategy, that is, all stator current is used to produce torque.…”

Section: Internal and External Excitation Of The Systemmentioning

confidence: 99%

Research on dynamic load spectrum of electric vehicle transmission system based on underdamping characteristic

Guo

Xing

Yin

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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Overall, the electric vehicle transmission system shows an underdamped characteristic. Under changeable road conditions and high-frequency response for the motor, the resulting dynamic load environment may cause multiple failure modes, such as contact fatigue failure and bending fatigue fracture, for the transmission component, which limits the electric vehicle transmission component lifespan and system reliability. To reflect the dynamic load characteristics of the electric vehicle transmission system using a permanent magnet synchronous motor as a power source and accurately calculate the dynamic load of the transmission system, a high-speed helical gear-rotor-bearing coupling mechanical model for the electric vehicle transmission system was built based on simulating actual operation working conditions of the electric vehicle and considering the external load excitation caused by the Electromagnetic torque of the permanent magnet synchronous motor and vehicle driving resistant change as well as internal excitation caused by gear time-varying meshing rigidness and meshing error. Through simulation calculation of the mechanical model, the dynamic meshing force of the gear pair and dynamic contact force of the support bearing was obtained. Based on the Hertz contact theory, the stress-time history was obtained for the key parts, the rain flow counting method was adopted for the statistics collection and analysis of the stress-time history, and the fatigue load spectrum for various key parts of the transmission system was obtained. The result lays a foundation for the fatigue life prediction and reliability analysis for the pure electric vehicle transmission system.

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Section: Internal and External Excitation Of The Systemmentioning

confidence: 99%

Research on dynamic load spectrum of electric vehicle transmission system based on underdamping characteristic

Guo

Xing

Yin

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…Along with the development of modern power electronics and microprocessor technology, more advanced control methods for electrical drives have been developed. Nowadays, two standard control strategies for PMSMs are mainly used, namely field-oriented control (FOC) and direct torque control (DTC) [3][4][5][6][7][8], which compete with predictive approaches [9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Single Open-phase Fault Detection with Fault-Tolerant Control of an Inverter-fed Permanent Magnet Synchronous Machine

et al. 2014

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In this paper first a current predictive method for single open-phase fault detection in a three phase drive with a permanent magnet synchronous machine is presented. The proposed method is based on a predictive stator current calculation. For each sampling interval the difference between the actual stator current and its predicted value in a previous sampling interval is calculated. To identify the location of a single open-phase fault, an identification method is presented which is based on the analysis of the stator current vector angle. After the single open-phase fault is detected and identified it is desirable for the electrical machine to continue operating with a reduced number of phases. For this purpose, a modified direct torque control algorithm for the fault-tolerant control is implemented. In order to improve the performance of the drive, a pre-firing angle is additionally introduced. All proposed methods have been simulated in Matlab/Simulink and verified on an experimental model. Detekcija odspojene faze i na kvarove otporno upravljanje pretvaračem napajanim sinkronim motorom s permanentnim magnetima. Učlanku je prvo predstavljena metoda za detekciju kvara odspojene faze u trofaznom elektromotornom pogonu sa sinkronim motorom s permanentim magnetima zasnovana na predikciji struja statora. U svakom koraku uzorkovanja računa se razlika izmeu trenutne mjerene struje statora i prediktirane vrijednosti iz prethodnog koraka. U svrhu odreivanja lokacije odspojene faze, predstavljena je metoda identifikacije zasnovana na analizi kuta vektora struje statora. Nakon otkrivene i utvrene odspojene faze, poželjno je nastaviti rad električnog stroja sa smanjenim brojem faza. U ovu svrhu implementiran je izmijenjeni algoritam izravnog upravljanja momentom za postizanje na kvarove otpornog upravljanja. Da bi se unaprijedilo vladanje sustava elektromotornog pogona, dodatno je uveden kut prethoenja aktivacije impulsa. Sve predložene metode simulirane su u Matlab/Simulink okruženju i provjerene na eksperimentalnom postavu.Ključne riječi: Sinkroni motor s permanentnim magnetima, na kvarove otporan sustav, kvar jedne odspojene faze, na kvarove otporno upravljanje, kut prethoenja aktivacije impulsa

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“…In recent years, two control strategies for PMSMs are widely used, namely field oriented control (FOC) and direct torque control (DTC) [3][4][5][6][7], competing with predictive approaches [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Single open-phase fault detection in permanent magnet synchronous machine through current prediction

Kontarcek

Bajec

Nemec

et al. 2013

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society

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This paper presents a detection method for single open-phase fault in three phase permanent magnet synchronous machine. The method is based on predictive stator current calculation. For each sampling interval the difference between actual stator current and its predicted value in previous sampling interval is calculated. The magnitude of the difference serves as a main diagnostic index for single open-phase fault detection. By analyzing the angle of stator current the fault location can be identified. After the fault is detected and identified, if possible, the operation with reduced number of phases is desirable. For this purpose, single open-phase fault identification and post-fault operation will be briefly discussed. Fault detection method has been simulated in MATLAB and tested on experimental setup with a real machine. Keywords-single open-phase fault, fault detection, permanent magnet synchronous machine I.978-1-4799-0224-8/13/$31.00 ©2013 IEEE

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Improved direct torque control of permanent magnet synchronous motor in electric vehicle drive

Cited by 7 publications

References 7 publications

Research on dynamic load spectrum of electric vehicle transmission system based on underdamping characteristic

Research on dynamic load spectrum of electric vehicle transmission system based on underdamping characteristic

Single Open-phase Fault Detection with Fault-Tolerant Control of an Inverter-fed Permanent Magnet Synchronous Machine

Single open-phase fault detection in permanent magnet synchronous machine through current prediction

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