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Model Predictive Control to Autonomously Approach a Failed Spacecraft
Joint Authors
Wang, Zhaokui
Zhang, Yulin
Wang, Xun
Source
International Journal of Aerospace Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-18, 18 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-12-06
Country of Publication
Egypt
No. of Pages
18
Abstract EN
In this study, a model predictive control (MPC) method is developed for a servicer spacecraft autonomously approaching a tumbling failed spacecraft at an ultraclose range.
Flight safety and collision avoidance are basic requirements during the approach.
Two types of a failed spacecraft with complex configurations are considered, and a double-ellipsoid composite envelope strategy is designed to model their keep-out zones.
Given the keep-out zone of the servicer, two expanded ellipsoids are subsequently introduced to determine the collision and sufficient conditions for collision avoidance are derived by using the form of concave constraint.
The tumbling motion of the target is considered, and a CW-based translational dynamics and derived attitude dynamics of the target are formulated to predict the motion of the docking point and keep-out zone.
The MPC is formulated to drive the servicer tracking the docking point with collision avoidance and handle constraints including control input saturation and relative velocity bound.
Convexification of the collision avoidance constraint and sequential convex programming are adopted for the implementation of MPC.
Scenarios on the servicer with different initial positions approaching the target with different angular velocities are simulated, and the simulation results indicate that the proposed MPC method is effective.
American Psychological Association (APA)
Wang, Xun& Wang, Zhaokui& Zhang, Yulin. 2018. Model Predictive Control to Autonomously Approach a Failed Spacecraft. International Journal of Aerospace Engineering،Vol. 2018, no. 2018, pp.1-18.
https://search.emarefa.net/detail/BIM-1167739
Modern Language Association (MLA)
Wang, Xun…[et al.]. Model Predictive Control to Autonomously Approach a Failed Spacecraft. International Journal of Aerospace Engineering No. 2018 (2018), pp.1-18.
https://search.emarefa.net/detail/BIM-1167739
American Medical Association (AMA)
Wang, Xun& Wang, Zhaokui& Zhang, Yulin. Model Predictive Control to Autonomously Approach a Failed Spacecraft. International Journal of Aerospace Engineering. 2018. Vol. 2018, no. 2018, pp.1-18.
https://search.emarefa.net/detail/BIM-1167739
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1167739