Fault-Tolerant Predictive Control of Six-Phase PMSM Drives Based on Pulsewidth Modulation

Lu, Hanxiao; Li, Jian; Qu, Ronghai; Ye, Donglin; Lu, Yang

doi:10.1109/tie.2018.2868264

Cited by 55 publications

(25 citation statements)

References 25 publications

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“…)+κ e j(mu+nv) du dv (16) with u = ω c t and v = ω 0 t. ω c is the carrier angular frequency, and ω 0 is the fundamental angular frequency of the reference voltage waveform v * x (v) of phase x, withṽ * x (v) = 2v * x (v)/V dc . In case of traditional interleaving, v *…”

Section: Analytical Model Of the Dc-link Current Under Interleavingmentioning

confidence: 99%

See 1 more Smart Citation

Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Verkroost

Bozalakov

Belie

et al. 2021

IEEE Trans. Ind. Electron.

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To meet the demand for increasingly high power density in electric drives, the concept of a so-called integrated modular motor drive has emerged. The machine is composed of multiple identical modules, which receive individual control signals for multiphase control, to reduce unwanted stator current harmonics. Each module is equipped with its own power electronic converter, which is integrated in the machine housing. This integration imposes strict constraints on the dc-link capacitor design. To reduce the dc-link current ripple, and hence relax the design constraints on the dc-link capacitor, without compromising the possibility to eliminate unwanted stator current harmonics by means of multiphase control, a new interleaving strategy is proposed in this article. The n modules of the machine are split into p subgroups of m modules for interleaving, while the n-phase control is preserved. An analytical model, simulations and experimental results are provided for a 4 kW test setup, confirming that multiphase control can be combined with interleaving. As a result, both the stator current harmonic distortion and the dc-link current ripple can be reduced simultaneously.

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Section: Analytical Model Of the Dc-link Current Under Interleavingmentioning

confidence: 99%

“…freedom under multiphase control also prove useful for faulttolerant control [7], [8]. They can be deployed, for instance, to improve the current quality [16], to contribute to the torque production [17], or to deliver maximum available ripple-free torque with minimum copper losses [18].…”

mentioning

confidence: 99%

Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Verkroost

Bozalakov

Belie

et al. 2021

IEEE Trans. Ind. Electron.

View full text Add to dashboard Cite

show abstract

“…The key solutions to the abovementioned problems in the conventional fault-tolerant FCS-MPC scheme for operation in five-phase and six-phase motors are presented in Refs. [10][11][12][13][14]. In Ref.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, in Ref. [11], pulse-width modulation (PWM) predictive control was studied for a six-phase PM motor under an open-circuit fault.…”

Section: Introductionmentioning

confidence: 99%

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Saeed

Zhao

Wang

et al. 2021

Chin. J. Electr. Eng.

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The main drawbacks of traditional finite set model predictive control are high computational load, large torque ripple, and variable switching frequency. A less complex deadbeat (DB) model predictive current control (MPCC) with improved space vector pulse-width modulation (SVPWM) under a single-phase open-circuit fault is proposed. The proposed method predicts the reference voltage vector in the α-β subspace by employing the deadbeat control principle on the machine predictive model; thus, the exhaustive exploration procedure is avoided to relieve the computational load. To perform the constant switching frequency operation and achieve better steady-state performance, a modified SVPWM strategy is developed with the same conventional structure, which modulates the reference voltage vector. This new approach is based on a redesigned and adjusted post-fault virtual voltage vector space distribution that eliminates the y-axis harmonic components in the x-y subspace and ensures the generation of symmetrical PWM pulses. Meanwhile, the combined merits of the DB, MPCC, and SVPWM methods are realized. To verify the effectiveness of the proposed control scheme, comparative experiments are performed on a five-phase permanent magnet synchronous motor (PMSM) drive system.

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“…As a result of their high efficiency, high power density, and high torque-to-inertia ratio, permanent magnet synchronous motors (PMSMs) have been widely used recently [1][2][3][4][5][6][7][8]. Model predictive control (MPC) has recently attracted more attention because of its excellent performance aspects, such as its fast dynamic response, simple modeling, and multiconstraint control [9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Model Predictive Current-Controlled Permanent Magnet Synchronous Motor Drives with Inaccurate DC Bus Voltage Measurement

Wang

2020

Energies

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In this paper, the effects of inaccurate DC bus voltage measurement are analyzed to model predictive current-controlled permanent magnet synchronous motor (PMSM) drives. It is found that the selection of the optimal space vector is affected by inaccurate DC bus voltage measurements, and the shortest distance principle is proposed to evaluate the effects. With the under-voltage measurement, the actual q axis current is always larger than the reference value, and PMSM may be damaged by the over-current phenomenon. However, the actual q axis current is always smaller than the reference value with the over-voltage measurement, and the rated torque capacity cannot be properly used. The effects of the over-voltage measurement are more serious than those of the under-voltage measurement. Additionally, the larger DC bus voltage measurement error can result in more serious effects than with the over-voltage measurement. Considering the limited variation range of the actual DC bus voltage, the rated value can be set as the measured value and the effects can be neglected. However, the effects should be taken into account if the variation range of the actual DC bus voltage is large. All the theoretical analyses are verified by experimental results.

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Fault-Tolerant Predictive Control of Six-Phase PMSM Drives Based on Pulsewidth Modulation

Cited by 55 publications

References 25 publications

Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Simultaneous DC-Link and Stator Current Ripple Reduction With Interleaved Carriers in Multiphase Controlled Integrated Modular Motor Drives

Fault-tolerant deadbeat model predictive current control for a five-phase PMSM with improved SVPWM

Analysis of Model Predictive Current-Controlled Permanent Magnet Synchronous Motor Drives with Inaccurate DC Bus Voltage Measurement

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