ISSN 1816-9791 (Print)
ISSN 2541-9005 (Online)

#### For citation:

Avramenko A. A., Aslanov V. S. Equilibrium Analysis of the Tethered Tug Debris System with Fuel Residuals. Izvestiya of Saratov University. Mathematics. Mechanics. Informatics, 2018, vol. 18, iss. 3, pp. 334-346. DOI: 10.18500/1816-9791-2018-18-3-334-346, EDN: YBMQLJ

Published online:
28.08.2018
Full text:
Language:
Russian
Article type:
Article
UDC:
531.396;629.78
EDN:
YBMQLJ

# Equilibrium Analysis of the Tethered Tug Debris System with Fuel Residuals

Autors:
Avramenko Aleksandr Alekseevich, Samara National Research University
Aslanov Vladimir Stepanovich, Samara National Research University
Abstract:

The problem of tethered transportation of space debris is considered. The system consists of orbit tug, tether, and passive spacecraft with fuel residuals. The planar motion on circular orbit is studied in the orbital frame. Nonlinear motion equations are obtained by Lagrangian formalism. They consider action of the space tug-thrust and gravitational moments. Two variants of stable positions of relative equilibrium are deﬁned. They depend on main parameters of the tethered system: aspect ratio and mass ratio. The equations of the ﬁrst approximation for the each of the stable position variants are obtained. Their coefﬁcients analysis give evidence of approachment all of the natural frequency of the system and permit to ﬁnd corresponding conditions. The results of numerical simulation of the motion of the tethered system and their comparison with small oscillations determined by are presented. Proposed equations can be used to analyze the attitude motion of the tug–debris system and todeter mine the conventional parameters for safe tethered transportation of space debris.

Key words:
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