Journal
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
Volume 358, Issue 18, Pages 9794-9817Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfranklin.2021.10.019
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Funding
- National Natural Science Foundation of China [61873312]
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This article investigates the finite-time consensus problem for the attitude system of multiple spacecraft under a directed graph, considering communication bandwidth constraint, inertia matrix uncertainties and external disturbances. An event-triggered communication mechanism and adaptive law are proposed to address these challenges, leading to a control scheme that guarantees finite-time stability and convergence of the spacecraft systems, while excluding the Zeno phenomenon. Simulation results validate the effectiveness of the proposed control scheme.
This article investigates the finite-time consensus problem for the attitude system of multiple spacecraft under directed graph, where the communication bandwidth constraint, inertia matrix uncertainties and external disturbances are considered. An event-triggered communication mechanism is developed to address the problem of communication bandwidth constraint. In this event-triggered mechanism, spacecraft sends their attitude information to their neighbors only when the given event is triggered. Furthermore, an adaptive law is designed to counteract the effect of inertia matrix uncertainties and external disturbances. Then, a finite-time attitude consensus tracking control scheme is proposed based on the event-triggered communication mechanism and adaptive law. The proposed control scheme can guarantee the finite-time stability and convergence of the multiple spacecraft systems and exclude the Zeno phenomenon. Finally, simulation results validate the effectiveness of the proposed control scheme. (C) 2021 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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