
The operation scenario is highly risky and complexThe safe depth for conventional artificial air diving is no more than 50 meters, beyond which the risks of decompression sickness and nitrogen narcosis increase significantly. Areas such as dam stilling basins and nuclear power plant intake culverts feature fast-flowing water and complex structures, making manual operations highly hazardous.

Insufficient detection accuracy and efficiencyManual underwater operations are affected by factors such as turbid water, lighting conditions, and fatigue, leading to significant measurement errors in crack width and length, and a low degree of standardization. Traditional inspection methods require emptying reservoirs or closing tunnels, resulting in high inspection costs.

Data silos are prominentThe severe attenuation of visible light underwater, low visibility, the inability of electromagnetic waves to propagate GPS signals, the loss of radio signals, and the scarcity of underwater training data constitute a triple technical bottleneck for underwater inspection perception.

Sonar resolution is insufficientThe resolution of conventional imaging sonar is at the centimeter level, which cannot identify millimeter-scale cracks or small corrosion pits.