Development Of Unmanned Surface Vehicle

Ong, Cheah How (2016) Development Of Unmanned Surface Vehicle. Project Report. UTeM, Melaka, Malaysia . (Submitted)

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Abstract

Unmanned Surface Vehicle (USV) is a type of vehicle that can be categorized in Remotely Operated Vehicle (ROV) class. The range of application for USV is very wide including marine rescue, surveillance, seabed mapping and military uses. The USV is a vehicle that is able to adapt to various mission by installing the specific equipment or hardware. The problems faced during the fabrication of USV are manoeuvrability, stability and speed. This project is about developing an USV that can perform seabed mapping mission. The USV built have to be small scale and low cost. Besides that, the USV should be able to control in a certain range and have a good battery life. In designing the USV, SolidworksTM software is used and then the design of USV undergoes various simulation tests such as stress test, displacement test and flow simulation. Next, the hardware that selected such as brushed DC motor, propeller and rudder should be able to drive the USV and achieve a certain performance in terms of manoeuvrability, power and control. The USV undergoes a series of field test at the end to evaluate its ability and performance in seabed mapping mission. In buoyancy test, the results obtained shows that the additional floats had increased the buoyancy force of the USV which in turn increased the payload can be carried by USV. The USV is considered as slightly unstable when equipped with floats and components but with extra weight attached on USV, it helped to balance it and the USV is able to travel straight. Speed of USV was also fast enough to carry out seabed mapping mission. Lastly, the USV successfully carried out its seabed mapping mission in a 10 m x 10 m area at Tasik Ayer Keroh.

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