Sensorless Grey Prediction Fuzzy Direct Torque Control for High-Speed Permanent Magnet Synchronous Motor

Hong Cui; You Qing Gao

doi:10.4028/www.scientific.net/AMM.220-223.1040

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223Sensorless Grey Prediction Fuzzy Direct Torque...

Sensorless Grey Prediction Fuzzy Direct Torque Control for High-Speed Permanent Magnet Synchronous Motor

Abstract:

High-speed permanent magnet synchronous motor (PMSM) is more and more widely applied in high precision processing and high-performance machines. It is very important to research practical control strategy for the stability operation of the high-speed PMSM. The strategy of sensorless grey prediction fuzzy direct torque control (DTC) is proposed which is suitable for high-speed PMSM control system. The method of prediction fuzzy control based on DTC is used to gain the flux, torque and flux oriented angle through the prediction model of the motor parameters. The best control scheme is gained by fuzzy reasoning to overcome the lag on the system making the adjustment process stable and realizing accurate predictive control. Thereby, the dynamic response of the system, anti-disturbance capability and control accuracy can be improved.

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

1040-1043

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.1040

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Online since:

November 2012

Authors:

Hong Cui, You Qing Gao

Keywords:

Direct Torque Control (DTC), Fuzzy Control, Grey Prediction, High-Speed Permanent Magnet Synchronous Motor

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References

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