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Event-based coordinated control of spacecraft formation flying under limited communication
- Source :
- Nonlinear Dynamics. 99:2139-2159
- Publication Year :
- 2019
- Publisher :
- Springer Science and Business Media LLC, 2019.
-
Abstract
- This paper investigates the relative position coordinated control problem for a group of formation flying spacecraft under a directed communication network and resource constraints. An event-based coordinated control scheme without resorting to neighbors’ velocity information is proposed to achieve the formation-keeping maneuvers. Considering expensive communication cost in spacecraft formation, a novel event-triggered mechanism is developed, where the information transmission among spacecraft is established only when the defined triggering threshold is exceeded; moreover, each spacecraft only needs to compute its own control command at triggering time instants, thus ameliorating the issue of computation limitation inherent in the space-qualified microprocessor. Apart from the above, an explicit positive lower bound on the inter-event time internals is rigorously guaranteed such that no Zeno behavior exhibits. By resorting to the input-to-state practical stability and Lyapunov theory, a sufficient criterion on parameters selection is derived to ensure that the overall closed-loop system is uniformly ultimately bounded stable. Finally, numerical simulations are carried out to demonstrate the effectiveness of the theoretical results.
- Subjects :
- Lyapunov function
Spacecraft
business.industry
Computer science
Applied Mathematics
Mechanical Engineering
Computation
Event (relativity)
Stability (learning theory)
Aerospace Engineering
Ocean Engineering
01 natural sciences
Telecommunications network
Upper and lower bounds
symbols.namesake
Control and Systems Engineering
Control theory
Bounded function
0103 physical sciences
symbols
Electrical and Electronic Engineering
business
010301 acoustics
Subjects
Details
- ISSN :
- 1573269X and 0924090X
- Volume :
- 99
- Database :
- OpenAIRE
- Journal :
- Nonlinear Dynamics
- Accession number :
- edsair.doi...........af3e375ff274aab462c2a0c6c2049c21