Pattern formation of multi-AUV systems with the optical sensor based on displacement-based formation control

Associated with multi-autonomous underwater vehicle (AUV) systems, the optical sensors with short working range can be reconsidered, which can provide more detailed and more comprehensive descriptions of the seabed than acoustical sensors and can assist in communications among neighbouring AUVs. The...

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Vydáno v:International journal of systems science Ročník 51; číslo 2; s. 348 - 367
Hlavní autoři: Wang, Xiaomin, Zerr, Benoit, Thomas, Héléne, Clement, Benoit, Xie, Zexiao
Médium: Journal Article
Jazyk:angličtina
Vydáno: London Taylor & Francis 25.01.2020
Taylor & Francis Ltd
Témata:
Algorithms
asynchronous discrete consensus algorithm
Automatic
Autonomous underwater vehicles
Biological properties
Biomonitoring
Computer simulation
Coordination
Engineering Sciences
formation control
Graph theory
Markov process
Multi-AUV system
Object recognition
Ocean floor
Optical measuring instruments
pattern formation
Sediments
Sensors
underwater image processing
underwater optical communication
visual servoing
ISSN:0020-7721, 1464-5319
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Shrnutí:Associated with multi-autonomous underwater vehicle (AUV) systems, the optical sensors with short working range can be reconsidered, which can provide more detailed and more comprehensive descriptions of the seabed than acoustical sensors and can assist in communications among neighbouring AUVs. The typical achievable tasks for these multi-AUV systems equipped with optical sensors mainly include to study the seabed sediments, search small objects at the seabed, collect colourful biological samples, and monitor the underwater infrastructures, etc. The purpose of this research is to develop a new coordination strategy to make a fleet of AUVs build a geometrical pattern suitable for optical sensing at the seabed. This new coordination strategy includes two parts: designing a predefined pattern (a planar pyramid pattern) and proposing an associated formation control method (an improved asynchronous discrete consensus algorithm with a time-variant digraph via the displacement-based control, inspired from the fish schooling problem) to update the trajectories of AUVs in real-time and reach this pattern from a disorder distribution. Before it is tested at sea with six AUVs, the performance of this new coordination method is verified in the simulation environments constructed in Blender and Matlab respectively. The simulation results show the good convergence of this new coordination method.
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ISSN:0020-7721
1464-5319
DOI:10.1080/00207721.2020.1716096