Spacecraft attitude takeover control by multiple microsatellites using differential game
The paper proposes a differential game-based control scheme to address attitude takeover control problem via microsatellites attached to the surface of target spacecraft. First, the attitude dynamics of combined spacecraft is reformulated as general form so as to apply the reinforcement learning fra...
| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2023
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/171800 |
| _version_ | 1826110108175695872 |
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| author | Wu, Baolin Chen, Keyu Wang, Danwei Sun, Yuxiang |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Wu, Baolin Chen, Keyu Wang, Danwei Sun, Yuxiang |
| author_sort | Wu, Baolin |
| collection | NTU |
| description | The paper proposes a differential game-based control scheme to address attitude takeover control problem via microsatellites attached to the surface of target spacecraft. First, the attitude dynamics of combined spacecraft is reformulated as general form so as to apply the reinforcement learning framework. Then quadratic and Arctanh-type performance indices are designed in two cases of free input and input saturation, respectively. Accordingly, optimal control policy of each microsatellite is obtained and is dependent on value functions, which are solutions of a set of HJB equations. Single layer Neural Networks are employed to approximate value functions by policy iteration and the weights vectors are updated with the help of concurrent learning algorithm so that the persistent excitation condition of control errors is loosen. Moreover, necessity of interaction among microsatellites is eliminated by using tracking differentiator technique to estimate angular accelerations which are not available directly through onboard device. Stability of closed-loop system is guaranteed by Lyapunov method. Three cases of simulation are carried out to demonstrate the robustness and optimality of the proposed control scheme and to validate the effectiveness of controller in the presence of actuators saturation. |
| first_indexed | 2024-10-01T02:29:14Z |
| format | Journal Article |
| id | ntu-10356/171800 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:29:14Z |
| publishDate | 2023 |
| record_format | dspace |
| spelling | ntu-10356/1718002023-11-08T03:52:16Z Spacecraft attitude takeover control by multiple microsatellites using differential game Wu, Baolin Chen, Keyu Wang, Danwei Sun, Yuxiang School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Attitude Control Takeover Control The paper proposes a differential game-based control scheme to address attitude takeover control problem via microsatellites attached to the surface of target spacecraft. First, the attitude dynamics of combined spacecraft is reformulated as general form so as to apply the reinforcement learning framework. Then quadratic and Arctanh-type performance indices are designed in two cases of free input and input saturation, respectively. Accordingly, optimal control policy of each microsatellite is obtained and is dependent on value functions, which are solutions of a set of HJB equations. Single layer Neural Networks are employed to approximate value functions by policy iteration and the weights vectors are updated with the help of concurrent learning algorithm so that the persistent excitation condition of control errors is loosen. Moreover, necessity of interaction among microsatellites is eliminated by using tracking differentiator technique to estimate angular accelerations which are not available directly through onboard device. Stability of closed-loop system is guaranteed by Lyapunov method. Three cases of simulation are carried out to demonstrate the robustness and optimality of the proposed control scheme and to validate the effectiveness of controller in the presence of actuators saturation. This work was supported by the National Natural Science Foundation of China under Grant 61873312. 2023-11-08T03:52:15Z 2023-11-08T03:52:15Z 2023 Journal Article Wu, B., Chen, K., Wang, D. & Sun, Y. (2023). Spacecraft attitude takeover control by multiple microsatellites using differential game. IEEE Transactions On Control of Network Systems. https://dx.doi.org/10.1109/TCNS.2023.3290082 2325-5870 https://hdl.handle.net/10356/171800 10.1109/TCNS.2023.3290082 2-s2.0-85163432383 en IEEE Transactions on Control of Network Systems © 2023 IEEE. All rights reserved. |
| spellingShingle | Engineering::Electrical and electronic engineering Attitude Control Takeover Control Wu, Baolin Chen, Keyu Wang, Danwei Sun, Yuxiang Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title | Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title_full | Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title_fullStr | Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title_full_unstemmed | Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title_short | Spacecraft attitude takeover control by multiple microsatellites using differential game |
| title_sort | spacecraft attitude takeover control by multiple microsatellites using differential game |
| topic | Engineering::Electrical and electronic engineering Attitude Control Takeover Control |
| url | https://hdl.handle.net/10356/171800 |
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