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Determining the Parameters of a Mathematical Model of Spacecraft Solar Batteries from Telemetry Data

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Abstract

The problem of approximating measurements of the current intensity generated by the solar batteries of the Zarya Functional Cargo Block of the International Space Station is considered using a mathematical model that contains a set of refinable parameters whose values are found by means of least squares. An algorithm is proposed for finding values of the refinable parameters by processing the telemetry data of the power supply system of the Zarya block. A method for forecasting the total power generation by solar batteries is also proposed. Results are presented from applying the proposed methods and algorithms to analyzing the April 14–20, 2020, flight of the Zarya block and estimating the error of the proposed forecasting techniques. The results of the study can be used in the development and operation of spacecraft.

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REFERENCES

  1. Vas. V. Sazonov, ‘‘Mathematical modeling of the operation of solar batteries in a spacecraft,’’ Mat. Model. 33, in press (2021).

  2. M. R. Akhmedov, A. G. Bideev, E. Yu. Makarova, Vas. V. Sazonov, and I. I. Khamits, ‘‘Comparative analysis of calculated and experimentally measured output capacity of the orbital space vehicle solar batteries on the example of the service module of the international space station (Russian segment),’’ Kosm. Tekh. Tekhnol., No. 3 (22), 69–81 (2018).

  3. P. E. Gill, W. Murray, and M. H. Wright, Practical Optimization (Academic Press, London, 1981; Mir, Moscow, 1985).

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Authors and Affiliations

  1. Faculty of Space Research, Moscow State University, 119991, Moscow, Russia

    Vas. V. Sazonov

  2. Moscow Center of Fundamental and Applied Mathematics, Moscow State University, 119991, Moscow, Russia

    Vas. V. Sazonov

Authors
  1. Vas. V. Sazonov
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Correspondence to Vas. V. Sazonov.

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Translated by O. Pismenov

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Sazonov, V.V. Determining the Parameters of a Mathematical Model of Spacecraft Solar Batteries from Telemetry Data. MoscowUniv.Comput.Math.Cybern. 45, 120–125 (2021). https://doi.org/10.3103/S0278641921030055

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  • DOI: https://doi.org/10.3103/S0278641921030055

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