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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
3-axis control signals for the BlueROV follower-2 robot. (The blue, red, and light blue line represent the control signal on the x-axis and y-axis and the corresponding angle control signal, respectively).