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Page 368 Sun et al. Intell Robot 2022;2(4):35570 I http://dx.doi.org/10.20517/ir.2022.23
Figure 21. Tracking result of moving fishes.
Figure 22. Search and rescue ROV is dropped into water.
Figure 23. Search and rescue dummy hanging in the air.
offshore lifting and launching test. When the state was stable, sailing and diving tests were performed.
When the sea condition was good (Level 2–3 sea state), the search and rescue test was carried out. The search
and rescue dummy (1.1 m) was hoisted from the deck position, as shown in Figure 23. The ROV was launched
to search for underwater targets. It was found that the water was turbid, as shown in Figure 24, so we changed
to a surface search and rescue grab test. In this case, the target dummy was still successfully approached and
grabbed, and the search and rescue task was completed, as shown in Figure 25. In the process of the sea test,
