Current Harmonics Control in Six-Phase PMSM

Furmanik, Marek; Vidlak, Michal; Rafajdus, Pavol

doi:10.1109/elektro53996.2022.9803632

Cited by 6 publications

(3 citation statements)

References 12 publications

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“…Among types of motor, permanent magnet synchronous motors (PMSMs) own suitable characteristics for EVs such as high start-up torque, small torque ripple, built-in magnetic field. For highperformance PMSM drives, direct torque control (DTC) [3]- [5] and field oriented control (FOC) [6]- [10] were utilized. A frame-angle-based DTC for PMSM drives was implemented to get fast and accurate responses at low speeds [3].…”

Section: Introductionmentioning

confidence: 99%

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Field oriented controlled permanent magnet synchronous motor drive for an electric vehicle

Dong

2023

IJPEDS

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<span lang="EN-US">The paper describes field oriented control strategy with space vector pulse width modulation technique of permanent magnet synchronous motor drive system for an electric vehicle. At first, mathematical models of the motor and the drive system for electric vehicle are presented. In order to obtain high performance drive and maximum motor torque, field oriented control strategy and space vector pulse width modulation technique method are applied to drive system in next section. Speed controller design utilizing the popular zero-pole elimination approach causes large integral constant time in case of small rotational damping constant. The desired-transient-response-based approach is employed to overcome the problem. Performance indices include overshoot, undershoot, steady-state speed error, and total harmonic distortion of stator current, are employed to assess the drive systems with two speed controller design methods. Theoretical assumptions are confirmed via simulations and criteria in MATLAB/Simulink environment.</span>

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Section: Introductionmentioning

confidence: 99%

“…A space vector pulse width modulation (SVPWM) technique minimized switching loss in sensorless FOC drive [9]. In order to shorten computing time, a vector space decomposition approach was used in different FOC versions [10]. The FOC was utilized in sensorless drive at high speed [11].…”

Section: Introductionmentioning

confidence: 99%

Field oriented controlled permanent magnet synchronous motor drive for an electric vehicle

Dong

2023

IJPEDS

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“…They are mainly divided into three categories: vector control, direct torque control, and weak magnetic control. The study presented in [ 7 ] focuses on magnetic field-oriented control strategies with vector space decoupling for an asymmetric six-phase PMSM. They simplify the vector space decoupling method to reduce the mathematical operations and increase the operational efficiency.…”

Section: Introductionmentioning

confidence: 99%

Fault-tolerant control strategy of six-phase permanent magnet synchronous motor based on deadbeat current prediction

et al. 2023

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The fault-tolerant control after phase loss is crucial in the studies of the six-phase permanent magnet synchronous motor (PMSM), and the one phase loss is the most frequent phase loss fault. To improve the system instability caused by nonlinear and time-varying perturbations of inductance parameters in a double-Y phase shifted 30° six-phase PMSM, an improved deadbeat predictive current fault-tolerant control (DPC-FTC) method is proposed in this study. The transformation matrix after single-phase open-phase is first reduced and reconstructed, and the reduced-dimensional voltage equation is derived. Based on this equation, the deadbeat current predictive control is then used to predict the expected voltage using the current feedback value and the reference value, so as to shorten the response time and improve the overall control effect. The voltage equation after parameter perturbation is rewritten, and the current discrete transfer function under constant expected voltage before and after parameter perturbation is calculated. Afterwards, to further improve the low stability of fault-tolerant control after phase loss, which is caused by the inductance parameter perturbation of the control system, the weight coefficient is introduced in order to enhance the deadbeat predictive current control so that it splits and optimizes the direct-quadrature axis current. The stability of the system is then analyzed. By changing the weight coefficient, the fault-tolerant control system has a wider stable working range. Finally, the simulation model and experimental platform are completed. The results show that the improved DPC-FTC method improves the permissible inductor parameter uptake range by a factor of 1/β, reduces the current static difference by 32.05% and 46.02% when the inductor parameter is mismatched by a factor of 2, reduces the current oscillation and effectively reduces the sensitivity of system stability to inductor parameter uptake.

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