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Sun et al. Intell Robot 2022;2(4):355­70 I http://dx.doi.org/10.20517/ir.2022.23 Page 369

Figure 24. Underwater target search.

Figure 25. Underwater target search: (A) target search and rescue; and (B) ROV successfully captures the falling target for rescue.

it was found that the performance may degrade even when the current speed is not very high because of eddy
currents and other conditions.

6. SUMMARY
Based on the overall structure and frame design of the search and rescue ROV, the effectiveness of the scheme
was verified. At the same time, a large margin is reserved for scenarios such as maritime search and rescue.
Underwater target capture and search and rescue tests were carried out through the pool and sea test, which
further verified the reliability and effectiveness of the designed ROV. To better improve the intelligence of
the search and rescue ROV and reliable control in a complex environment, intelligent detection and control
algorithms need further research and experimental verification in the future.

DECLARATIONS
Authors’ contributions
Made substantial contributions to conception, design and experiment of the study: Sun B, Pang W, Chen M
Performed oversight and leadership responsibility for the research activity planning and execution: Zhu D

Availability of data and materials
Not applicable.