Abstract
This paper presents the research of model-base design and control of Remotely Operated Vehicle (ROV) built in VietNam Automation & Mechatronics Laboratory (VIAMLAB). This is one of the most important types of underwater robots used in water environments for many purposes, especially for navy and marine industries. The design keeps our tethered ROV self-stabilized in the horizontal plane. It is also equipped with thrusters and sensor feedbacks, allowing 6 degrees-of-freedom motion. Moreover, cameras and grabber integrated into ROV support underwater survey tasks. In addition, the paper also simulates controllers with the main task of keeping depth for ROV. The controllers designed and surveyed here include: PID, optimal control (LQR), standard model control (MRAC) and combination controller between LQR and MRAC. The performance of the algorithm will be evaluated through simulation results using Matlab / Simulink.
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