Region of Attraction Estimation for Free-Floating Systems under Time-Varying LQR Control
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arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866916242027184128 |
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| author | Shala, Lasse Vyas, Shubham Ben-Larbi, Mohamed Khalil Kumar, Shivesh Stoll, Enrico |
| author_facet | Shala, Lasse Vyas, Shubham Ben-Larbi, Mohamed Khalil Kumar, Shivesh Stoll, Enrico |
| contents | Future Active Debris Removal (ADR) and On Orbit Servicing (OOS) missions demand for elaborate closed loop controllers. Feasible control architectures should take into consideration the inherent coupling of the free floating dynamics and the kinematics of the system. Recently, Time-Varying Linear Quadratic Regulators (TVLQR) have been used to stabilize underactuated systems that exhibit a similar kinodynamic coupling. Furthermore, this control approach integrates synergistically with Lyapunov based region of attraction (ROA) estimation, which, in the context of ADR and OOS, allows for reasoning about composability of different sub-maneuvers. In this paper, TVLQR was used to stabilize an ADR detumbling maneuver in simulation. Moreover, the ROA of the closed loop dynamics was estimated using a probabilistic method. In order to demonstrate the real-world applicability for free floating robots, further experiments were conducted onboard a free floating testbed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2405_06726 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Region of Attraction Estimation for Free-Floating Systems under Time-Varying LQR Control Shala, Lasse Vyas, Shubham Ben-Larbi, Mohamed Khalil Kumar, Shivesh Stoll, Enrico Systems and Control Future Active Debris Removal (ADR) and On Orbit Servicing (OOS) missions demand for elaborate closed loop controllers. Feasible control architectures should take into consideration the inherent coupling of the free floating dynamics and the kinematics of the system. Recently, Time-Varying Linear Quadratic Regulators (TVLQR) have been used to stabilize underactuated systems that exhibit a similar kinodynamic coupling. Furthermore, this control approach integrates synergistically with Lyapunov based region of attraction (ROA) estimation, which, in the context of ADR and OOS, allows for reasoning about composability of different sub-maneuvers. In this paper, TVLQR was used to stabilize an ADR detumbling maneuver in simulation. Moreover, the ROA of the closed loop dynamics was estimated using a probabilistic method. In order to demonstrate the real-world applicability for free floating robots, further experiments were conducted onboard a free floating testbed. |
| title | Region of Attraction Estimation for Free-Floating Systems under Time-Varying LQR Control |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2405.06726 |