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Discrete control systems

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  • Electrical and electronic engineering [1]
  • General topics, engineering mathematics and materials science [1]
  • Engineering mathematics and mathematical techniques [1]
  • Numerical analysis [1]
  • Interpolation and function approximation (numerical analysis) [1]
  • Power systems and applications [1]
  • Power apparatus and electric machines [1]
  • d.c. machines [1]
  • Power utilisation [1]
  • Drives [1]
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  • 1996 [1]

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  • M. Ait-Ahmed [1]
  • M.F. Benkhoris [1]
Discrete speed estimation from a position encoder for motor drives
Author(s): M.F. Benkhoris, M. Ait-Ahmed
Source: 6th International Conference on Power Electronics and Variable Speed Drives, 1996, p. 283 - 287
Type: ConferencePaper
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In this paper, some control algorithms of motor drive speed estimation are analysed and compared using Matlab-Simulink software. The comparison of the performance of the different estimation methods requires a real speed profile. Those ones result from the solution of the electrical and mechanical equations of a DC motor. First the disadvantages of the classical method are pointed out. Second, two methods based on the use of Taylor series and least squares method are developed. Finally, in addition to the previous methods, an algorithm for speed estimation based on the use of a sliding window is proposed.

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