Design and development of an unmanned underwater Remotely Operated Vehicle (ROV) for underwater inspection

Teoh, Yi Xin (2024) Design and development of an unmanned underwater Remotely Operated Vehicle (ROV) for underwater inspection. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The exploration of the world's oceans has always been a huge interest for scientists, engineers, and enthusiasts. It ranges from the exploration of marine biodiversity and the study of fragile ecosystems to the inspection of submerged infrastructures. However, underwater exploration has always been a very dangerous task and only trained professionals and divers are able to perform such tasks resulting in very slow progress in the exploration of the world’s oceans. Because of that, there has been an increasing demand for safe, effective, and cost-efficient methods or systems that allow advancements and improvements regarding underwater exploration. Hence, this project aims for the design and development an Unmanned Underwater Remotely Operated Underwater vehicle (ROV) for underwater inspections. The goal of this project is for the design and development the 4-degree of freedom ROV which able to perform basic underwater tasks by optimizing its equipment and providing data that can be analysed and understood to its user. The designed propulsion system consists of a four-thrusters configuration for better manoeuvrability of ROV. The performance of ROV will be evaluated in terms of factors in terms of stability, buoyancy, velocity, and acceleration. This project, on the other hand, will have an overall prototype created by using Fusion 360. The body frame of ROV is illustrated in Fusion 360 and it will be ready for laser cutting after completing the finite elements analysis. This step is crucial for ensuring the frame designed is able to withstand the underwater pressure until the maximum rate of 5 meters underwater. The project output involves strong aesthetic acrylic based frame underwater ROV with designed negative 90% buoyancy for manoeuvrability, along with sensors, cameras and waterproof electric housing to allow full functionality. Arduino Uno will be used for the Computer Control System to ensure that the ROV can be operated along with sensors and a camera that supports live camera feeds

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