A novel versatile architecture for autonomous underwater vehicle’s motion planning and task assignment

Somaiyeh Mahmoud Zadeh, David M.W. Powers, Karl Sammut, Amir Mehdi Yazdani

Research output: Contribution to journalArticle

Abstract

Expansion of today’s underwater scenarios and missions necessitates the requisition for robust decision making of the autonomous underwater vehicle (AUV); hence, design an efficient decision-making framework is essential for maximizing the mission productivity in a restricted time. This paper focuses on developing a deliberative conflict-free-task assignment architecture encompassing a global route planner (GRP) and a local path planner (LPP) to provide consistent motion planning encountering both environmental dynamic changes and a priori knowledge of the terrain, so that the AUV is reactively guided to the target of interest in the context of an uncertain underwater environment. The architecture involves three main modules: The GRP module at the top level deals with the task priority assignment, mission time management, and determination of a feasible route between start and destination point in a large-scale environment. The LPP module at the lower level deals with safety considerations and generates collision-free optimal trajectory between each specific pair of waypoints listed in obtained global route. Re-planning module tends to promote robustness and reactive ability of the AUV with respect to the environmental changes. The experimental results for different simulated missions demonstrate the inherent robustness and drastic efficiency of the proposed scheme in enhancement of the vehicles autonomy in terms of mission productivity, mission time management, and vehicle safety.

LanguageEnglish
Pages1687-1710
Number of pages24
JournalSoft Computing
Volume22
Issue number5
DOIs
StatePublished - Mar 2018
Externally publishedYes

Keywords

  • Autonomous underwater vehicles
  • Autonomy
  • Decision making
  • Mission management
  • Motion planning
  • Task assignment
  • Time management

Cite this

Mahmoud Zadeh, Somaiyeh ; Powers, David M.W. ; Sammut, Karl ; Yazdani, Amir Mehdi. / A novel versatile architecture for autonomous underwater vehicle’s motion planning and task assignment. In: Soft Computing. 2018 ; Vol. 22, No. 5. pp. 1687-1710
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A novel versatile architecture for autonomous underwater vehicle’s motion planning and task assignment. / Mahmoud Zadeh, Somaiyeh; Powers, David M.W.; Sammut, Karl; Yazdani, Amir Mehdi.

In: Soft Computing, Vol. 22, No. 5, 03.2018, p. 1687-1710.

Research output: Contribution to journalArticle

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