For the detection of underwater metal objects, electromagnetic detection technology is not limited by hydrological conditions, and has the advantages of stability, reliability, strong concealment, strong recognition ability and high positioning accuracy. Active electromagnetic detection achieves the detection of metal objects by radiating electromagnetic fields and detecting the induction characteristics of the target. This paper designs an active electromagnetic detection method for underwater metal targets based on the adaptive compensation scheme of active electromagnetic primary field, and builds an active electromagnetic detection system, which successfully detects cylindrical targets with a diameter of more than 150mm within a distance of 4m.
Along with the deepening of human exploration of the sea, the demand for underwater vehicle is increasing day by day, and the quality of underwater vehicle needs to be further improved. In this paper, we propose a management model based on process nodes and carry out information system design based on this model to realize system function design, system architecture design, hardware design and software design, and provide a basis for the development of the whole process management system for underwater vehicle assembly and commissioning.
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