Time-Constrained Model Predictive Control for Autonomous Satellite Rendezvous, Proximity Operations, and Docking
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866910795386847232 |
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| author | Behrendt, Gabriel Hale, Matthew Soderlund, Alexander Phillips, Sean Kain, Evan |
| author_facet | Behrendt, Gabriel Hale, Matthew Soderlund, Alexander Phillips, Sean Kain, Evan |
| contents | This paper presents a time-constrained model predictive control strategy for the six degree-of-freedom autonomous rendezvous, proximity, operations and docking problem between a controllable "deputy" satellite and an uncontrolled "chief" satellite. The objective is to achieve a docking configuration defined by both the translational and attitudinal states of the deputy relative to the chief, whose dynamics are respectively governed by both the Clohessy-Wiltshire equations and Euler's second law of motion. The proposed control strategy explicitly addresses computational time constraints that are common to state-of-the-art space vehicles. Thus, a time-constrained model predictive control strategy is implemented on a space-grade processor. Although suboptimal with regards to energy consumption when compared to conventional optimal RPO trajectories, it is empirically demonstrated via numerical simulations that the deputy spacecraft still achieves a successful docking configuration while subject to computational time constraints. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_13236 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Time-Constrained Model Predictive Control for Autonomous Satellite Rendezvous, Proximity Operations, and Docking Behrendt, Gabriel Hale, Matthew Soderlund, Alexander Phillips, Sean Kain, Evan Systems and Control This paper presents a time-constrained model predictive control strategy for the six degree-of-freedom autonomous rendezvous, proximity, operations and docking problem between a controllable "deputy" satellite and an uncontrolled "chief" satellite. The objective is to achieve a docking configuration defined by both the translational and attitudinal states of the deputy relative to the chief, whose dynamics are respectively governed by both the Clohessy-Wiltshire equations and Euler's second law of motion. The proposed control strategy explicitly addresses computational time constraints that are common to state-of-the-art space vehicles. Thus, a time-constrained model predictive control strategy is implemented on a space-grade processor. Although suboptimal with regards to energy consumption when compared to conventional optimal RPO trajectories, it is empirically demonstrated via numerical simulations that the deputy spacecraft still achieves a successful docking configuration while subject to computational time constraints. |
| title | Time-Constrained Model Predictive Control for Autonomous Satellite Rendezvous, Proximity Operations, and Docking |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2501.13236 |