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《The World of Inverters》 2018-12
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A Kind of Sliding Mode Observer for Asynchronous Motor Based on Model Prediction

Chu Fangzhou;  
The traditional speed-based observer-based speed identification system,due to the pure integral part of the impact of the motor in the low speed speed identification accuracy is poor, the output torque ripple and the current harmonic content is high and so on. Therefore,the method of forecasting the direct current control of the model and the speed identification strategy based on the sliding mode observer is proposed to delay and predict the output current of the observer.The accuracy of the speed recognition is improved and the optimal voltage vector is obtained by online optimization of the value function and the effect of improving the output current quality and suppressing the torque ripple is achieved. Finally,the effectiveness of the scheme is verified on Simulink simulation platform.
【CateGory Index】: TM343
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【Citations】
Chinese Journal Full-text Database 7 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Li Zhengxue;Zhang Yongchang;Li Zhengxi;Ban Xiaojuan;Yang Haitao;University of Science and Technology Beijing;Power Electronics and Motor Drivers Engineering Research Center of Beijing North China University of Technology;;A Novel Direct Torque Control Strategy of Induction Machine Drives with Simple Duty Ratio Calculation[J];电工技术学报;2015-24
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Chinese Journal Full-text Database 10 Hits
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