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Indirect determination of the displacement components in an electric motor drive

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Abstract

High technological process quality requires the use of deviation closed-loop systems and the formation of appropriate informational support for a control process. The article discusses two approaches to obtaining information on displacement components: direct measurement of speed and/or position with the help of a sensor on the motor shaft and indirect determination of the object state vector using the available variables for the direct measurement without the shaft sensor (current and voltage). The main disadvantages of optical encoders are identified. An overview, a classification, a comparative analysis, and the ranges of application of indirect methods of determining displacement components are given (calculation for a model of an electric machine with the measurement of current and voltage of the stator and calculation of the static functional dependence).

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Authors and Affiliations

  1. South Ural State University, pr. Lenina 76, Chelyabinsk, 454080, Russia

    T. A. Funk, N. M. Saprunova, E. V. Belousov & A. M. Zhuravlev

Authors
  1. T. A. Funk
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  2. N. M. Saprunova
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  3. E. V. Belousov
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  4. A. M. Zhuravlev
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Corresponding author

Correspondence to T. A. Funk.

Additional information

Original Russian Text © T.A. Funk, N.M. Saprunova, E.V. Belousov, A.M. Zhuravlev, 2015, published in Elektrotekhnika, 2015, No. 12, pp. 38–41.

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Funk, T.A., Saprunova, N.M., Belousov, E.V. et al. Indirect determination of the displacement components in an electric motor drive. Russ. Electr. Engin. 86, 716–718 (2015). https://doi.org/10.3103/S106837121512007X

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  • DOI: https://doi.org/10.3103/S106837121512007X

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