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Continuous Distributed Fixed-Time Attitude Controller Design for Multiple Spacecraft Systems With a Directed Graph
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DOI：10.1109/TCSII.2022.3179315.png)
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摘要
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This brief addresses the fixed-time leader-following attitude consensus problem for multiple spacecraft systems on a directed graph. A distributed continuous observer is designed to estimate the angular velocity of the leader within a fixed time. Based on the fixed-time observer and adding a power integrator method, a continuous distributed adaptive controller is developed to achieve the consensus tracking control in a fixed time which is regardless of the initial conditions. The proposed continuous fixed-time scheme works well when the systems are subject to model uncertainties and external disturbances. The simulation results show the effectiveness of the proposed control scheme.
Keyword:
Attitude control
Space vehicles
Observers
Directed graphs
Convergence
Uncertainty
Circuits and systems
Multiple spacecraft systems
distributed observer
fixed-time attitude control
directed graph
期刊
I
IF:
4.9
论文数:
8.8K
被引数:
2.5W
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引用论文
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