Abstract
Consideration was given to the design of an algorithm to control orientation of the large space structure (LSS) in the presence of infralow (less than 0.01Hz) frequencies of elastic oscillations exerting considerable influence on the quality of transients due to closeness of the LSS eigenfrequencies to the frequency of control of the object’s “rigid” motion. Procedure for designing a modified PD-algorithm for orientation of the LSS with infralow frequencies of elastic structural oscillations was described. Methods were proposed for calculation of the coefficients of additional components of the modified algorithm and determination of the LSS eigenfrequency boundary to the right of which the orientation control system is robust to the deviations of the object frequencies or inaccuracy of their definition. Some examples of mathematical modeling of the processes of the relay gyroforce control of LSS orientation using the proposed algorithm were given.
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Original Russian Text © I.N. Krutova, V.M. Sukhanov, 2009, published in Avtomatika i Telemekhanika, 2009, No. 1, pp. 39–50.
This work was supported by the Russian Foundation for Basic Research, project no. 08-08-00512.
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Krutova, I.N., Sukhanov, V.M. Design of modified PD algorithm to control angular motion of large space structure. Autom Remote Control 70, 33–42 (2009). https://doi.org/10.1134/S0005117909010032
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DOI: https://doi.org/10.1134/S0005117909010032