Design and Implementation of a Crab-Like Underwater Robot System

LI Pengji; TIAN Yutao; CHEN Zehan; ZHANG Dapeng

doi:10.11993/j.issn.2096-3920.2025-0090

Volume 33 Issue 5

Oct 2025

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LI Pengji, TIAN Yutao, CHEN Zehan, ZHANG Dapeng. Design and Implementation of a Crab-Like Underwater Robot System[J]. Journal of Unmanned Undersea Systems, 2025, 33(5): 826-835. doi: 10.11993/j.issn.2096-3920.2025-0090

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LI Pengji, TIAN Yutao, CHEN Zehan, ZHANG Dapeng. Design and Implementation of a Crab-Like Underwater Robot System[J]. Journal of Unmanned Undersea Systems, 2025, 33(5): 826-835. doi: 10.11993/j.issn.2096-3920.2025-0090

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Design and Implementation of a Crab-Like Underwater Robot System

doi: 10.11993/j.issn.2096-3920.2025-0090

1.
College of Ocean Engineering and Energy, Guangdong Ocean University, Zhanjiang 524005, China
2.
Ship and Maritime College, Guangdong Ocean University, Zhanjiang 524005, China

Received Date: 2025-07-18
Accepted Date: 2025-09-15
Rev Recd Date: 2025-09-14

Available Online: 2025-10-09

Abstract

Abstract

To solve the problems of underwater robots being prone to damage and low work efficiency under complex terrains and strong water flow resistance environments, this paper designed an underwater robot with a crab-like structure. The robot adopted a bionic crab configuration and was equipped with anti-displacement crab leg devices. It integrated magnetohydrodynamic propulsion and sacrificial anode inspection devices. These features could reduce the cost of underwater operations and enhance underwater sampling efficiency. The design aims to provide technical support for the entire cycle of oil and gas development, provide guidance and suggestions for the laying, inspection, and maintenance of oil and gas pipelines.
- underwater robot,
- bionic design,
- magnetohydrodynamic propulsion; sacrificial anode inspection

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References(34)

References

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