Multi-actuated AUV Body for Windfarm Inspection: Lessons from the Bio-inspired RoboFish Field Trials

Wright, Marvin; Gorma, Wael; Post, Mark; Xiao, Qing; Durrant, Andrew

doi:10.1109/auv50043.2020.9267931

Cited by 2 publications

(1 citation statement)

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“…Figure 6 illustrates the magnetic joint's internal parts. The recent paper [30] provides additional details about the implementation of RoboFish magnetic coupling joints and how to maximise the transmittable torque with different numbers, types and arrangement of magnetic blocks.…”

Section: Magnetic Coupling Jointmentioning

confidence: 99%

Development of Modular Bio-Inspired Autonomous Underwater Vehicle for Close Subsea Asset Inspection

et al. 2021

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To reduce human risk and maintenance costs, Autonomous Underwater Vehicles (AUVs) are involved in subsea inspections and measurements for a wide range of marine industries such as offshore wind farms and other underwater infrastructure. Most of these inspections may require levels of manoeuvrability similar to what can be achieved by tethered vehicles, called Remotely Operated Vehicles (ROVs). To extend AUV intervention time and perform closer inspection in constrained spaces, AUVs need to be more efficient and flexible by being able to undulate around physical constraints. A biomimetic fish-like AUV known as RoboFish has been designed to mimic propulsion techniques observed in nature to provide high thrust efficiency and agility to navigate its way autonomously around complex underwater structures. Building upon advances in acoustic communications, computer vision, electronics and autonomy technologies, RoboFish aims to provide a solution to such critical inspections. This paper introduces the first RoboFish prototype that comprises cost-effective 3D printed modules joined together with innovative magnetic coupling joints and a modular software framework. Initial testing shows that the preliminary working prototype is functional in terms of water-tightness, propulsion, body control and communication using acoustics, with visual localisation and mapping capability.

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Section: Magnetic Coupling Jointmentioning

confidence: 99%