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Information Technology Journal
  Year: 2014 | Volume: 13 | Issue: 14 | Page No.: 2298-2303
DOI: 10.3923/itj.2014.2298.2303
 
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Improved Speed Predictive Control for the Brushless DC Motor Adjusting Speed Study
Guangjie Fu, Ziming Zhao and Haiwei Mu

Abstract:
Brushless DC motor not only had the superior speed performance of DC motor but also overcame the inherent shortcomings of mechanical reversing device. Therefore, it had many applications in many occasions especially small and medium-power drive systems. In this study, an adjusting speed method of speed prediction with PI control was given. Because the current control signals can be adjusted according to speed trends, the anti-disturbance capacity of control system improved significantly. The most important study was the improvement for speed forecasting methods and the previous time variation increased law of motor speed was used to predict motor speed in the future. At last, the motor speed control was realized. It was easier compared with the traditional predictive control theory. The result of reducing the amount of calculation, in the case of a small perturbation error, was obtained. By MATLAB contrast simulation, the superiority of both the speed forecasting methods and the way of control were demonstrated. Seen from the waves, the response of speed was quicker and the anti-disturbance capacity was enhanced.
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How to cite this article:

Guangjie Fu, Ziming Zhao and Haiwei Mu, 2014. Improved Speed Predictive Control for the Brushless DC Motor Adjusting Speed Study. Information Technology Journal, 13: 2298-2303.

DOI: 10.3923/itj.2014.2298.2303

URL: https://scialert.net/abstract/?doi=itj.2014.2298.2303

 
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