Speed sensorless control of seven phase asynchronous motor drive system using extended Kalman filter

Elbarbary, Z. M. Salem

doi:10.1080/21681724.2020.1870720

Cited by 3 publications

(1 citation statement)

References 22 publications

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“…And few papers used a high-frequency injection method to get the speed and position of the 5-phase motor [16]- [20]. In the past  ISSN: 2302-9285 couple of years, a few papers have been published in the field of the model-based sensorless control of the 7-phase motor [21]- [27] In this year, a new paper has been published in the field of sensorless control of the 7-phase motor based on voltage excitation when a failure in the speed sensor is occurred [28]. The paper has compared three techniques to track the saliency of the 7-phase drive in terms of the current distortion.…”

Section: Introductionmentioning

confidence: 99%

Multi-dimension SVPWM-based sensorless control of 7-phase PMSM drives

Saleh

Sumner

2023

Bulletin EEI

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A new control technique for the 7-phase permanent magnet synchronous machine (PMSM) when a failure in the speed sensor is introduced. This will make the whole drive system more robust and at the same time reduce the cost. The speed and the position of the shaft of the motor are obtained by tracking the saturation saliency of the 7-phase motor when a failure in speed sensor is occurred. The proposed saliency-tracking algorithm is based on measuring the derivative of the stator currents of the 7-phase motor after the switching of the insulated gate bipolar transistor (IGBT) of the 7-phase inverter due to the implementation of the multi-dimension space vector pulse width modulation (SVPWM). This modulation technique is used in the 7-phase drives to suppress the 3rd and 5th harmonics. Simulation results show that the 7-phase motor drive could track the reference speed at different load conditions when a failure in the speed sensor is occurred without compromising the performance.

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Section: Introductionmentioning

confidence: 99%

Multi-dimension SVPWM-based sensorless control of 7-phase PMSM drives

Saleh

Sumner

2023

Bulletin EEI

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Robust synergetic-sliding mode-based-backstepping control of induction motor with MRAS technique

Zellouma,

Bekakra,

Benbouhenni

2023

Energy Reports

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Sensorless Control of Seven-Phase PMSM Drives Using NSV-SVPWM with Minimum Current Distortion

Saleh

Sumner

2022

Electronics

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This paper introduces three different algorithms to track the saliency in the seven-phase PMSM to obtain sensorless speed control. These algorithms are based on measuring the amount of change of the stator currents when different active vectors are implemented using the Near Six Vectors-Space Vector Pulse Width Modulation (NSV-SVPWM). Then, a comparison between these algorithms in terms of the Total Harmonics Distortion (THD) associated with implementing each algorithm is presented. The increase in the current distortion in these algorithms is related to the fact that narrow active vectors in these algorithms should be extended to tmin (8us) for proper measurement in the current dynamics due to the oscillation in the currents. However, since the time duration of these active vectors in NSV-SVPWM will be 2.52 times longer than others, it is found that using these long active vectors will result in minimum current distortion. Simulation results are provided to investigate the effect of using the dynamic response of different active vectors on the THD of the current. Moreover, the results demonstrate the effectiveness of the proposed control technique to maintain the performance of the seven-phase PMSM motor drive post the failure in the speed sensor.

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Speed sensorless control of seven phase asynchronous motor drive system using extended Kalman filter

Cited by 3 publications

References 22 publications

Multi-dimension SVPWM-based sensorless control of 7-phase PMSM drives

Multi-dimension SVPWM-based sensorless control of 7-phase PMSM drives

Robust synergetic-sliding mode-based-backstepping control of induction motor with MRAS technique

Sensorless Control of Seven-Phase PMSM Drives Using NSV-SVPWM with Minimum Current Distortion

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