Responsive surging, heading and diving controls of autonomous underwater vehicle based on brute forcing and smoothing of controllers

Mohd Faid Yahya

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Type :	article
Subject :	T Technology
ISSN :	2582-6506
Main Author :	Mohd Faid Yahya
Additional Authors :	Mad Helmi Ab. Majid
Title :	Responsive surging, heading and diving controls of autonomous underwater vehicle based on brute forcing and smoothing of controllers

Place of Production :	Tanjung Malim
Publisher :	Fakulti Seni, Komputeran Dan Industri Kreatif
Year of Publication :	2021
Notes :	Indian Journal of Geo-Marine Sciences
Corporate Name :	Universiti Pendidikan Sultan Idris
Web Link :	Click to view web link
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Abstract : Universiti Pendidikan Sultan Idris

There are many types of controllers had been used to control Autonomous Underwater Vehicle (AUV) such as Proportional Integral Derivative (PID), Linear Quadratic Regulator (LQR), state feedback linearization, integrator backstepping, and Sliding-Mode Control (SMC). However, for PID and SMC in particular, it is difficult to determine the optimal control design parameters. The objective of this study is to design and develop a responsive motion control system with optimal parameters for an AUV. The contribution of this paper is in term of introducing a filter to smooth reference signal and proposing a brute forcing technique to find optimal controller parameters. The methodology starts with modeling the AUV, estimating the unknown parameters from a real AUV model, designing a control system based on PI and SMC methods, and finally optimizing the controller parameters. The controller design was onto controlling surge speed using PI, heading using SMC, and diving using SMC. Simulation-wise, the developed control system has an average value of 93.89 % of responsiveness to track desired trajectory while 82.33 % of responsiveness without using the smoothing filter. The tested input signals were unit step, ramp, parabolic, and sinusoidal. ? 2021 National Institute of Science Communication and Information Resources (NISCAIR). All rights reserved.

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