Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Development of an Automatic Robot To Save Labor in Longline Fishing

Version 1 : Received: 15 June 2023 / Approved: 15 June 2023 / Online: 15 June 2023 (05:19:36 CEST)

How to cite: Shiraishi, H.; Shiraishi, H. Development of an Automatic Robot To Save Labor in Longline Fishing. Preprints 2023, 2023061074. https://doi.org/10.20944/preprints202306.1074.v1 Shiraishi, H.; Shiraishi, H. Development of an Automatic Robot To Save Labor in Longline Fishing. Preprints 2023, 2023061074. https://doi.org/10.20944/preprints202306.1074.v1

Abstract

Most of the fishing currently practiced in Japan is done by small vessels with a small number of fishermen (one or two). One of the most common fishing methods is longline fishing. However, this method requires the vessel to operate at a constant low speed because the depth of the hook must be kept constant while adjusting the speed of the fishing boat to the tidal current. In addition, because the vessel must maneuver and fish at the same time, automation is desired. Thus, we propose a robotic system that can control the depth of the trap at a constant depth even when the speed of the vessel and the current change, and that can successfully fish without the need for skilled fishermen. Fishing can be conducted regardless of the speed of the vessel, whereas currently it is controlled by the speed of the vessel and the tidal current. Therefore, it may contribute to proposing new fishing methods as well as the existing ones. This can contribute to the shortage of successors to the fishing industry and to the revitalization of the fishing industry.

Keywords

Automatically controlled robot; Longline fishing; Low speed

Subject

Engineering, Marine Engineering

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