Journal
IEEE JOURNAL OF OCEANIC ENGINEERING
Volume 43, Issue 2, Pages 344-355Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JOE.2018.2792278
Keywords
Autonomous underwater vehicle (AUV); hovering AUV; online path planning and view planning (VP)
Funding
- EXCELLABUST Project under Grant H-TWINN, CSA [691980, DPI2014-57746-C3-3-R]
- ARCHROV Project under Grant H-TWINN, CSA [691980, DPI2014-57746-C3-3-R]
- Spanish Government [FPU14/05493]
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This paper proposes the use of path-planning algorithms for hovering autonomous underwater vehicles (AUVs) in applications where the robot needs to adapt online its trajectory for inspection or safety purposes. In particular, it proposes the platform Sparus II AUV and a set of planning algorithms to conduct these new AUV capabilities. These algorithms generate trajectories under motion constraints, which can be followed without deviations, to ensure the safety even when passing close to obstacles. View planning algorithms are also combined to decide the movements to be executed to discover the unexplored seabed or target, and to cover it with a camera or sonar. Online mapping with profiling sonars and online planning with fast sampling-based algorithms allow the execution of missions without any previous knowledge of the 3-D shape of the environment. Real 2-D results in an artificial harbor structure and simulated natural rocky canyon demonstrate the feasibility of the approach for avoiding or inspecting the underwater environment. These new AUV capabilities can be used to acquire images of the environment that can be used to inspect and map the habitat.
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