In response to the problem of difficulty in obtaining relevant parameters under extreme weather conditions,an innovative underwater-kite AUV is proposed,which is composed of a surface intelligent towed body,an underwater highly mobile AUV and a high-strength towing cable,and is expected to achieve simultaneous detection of the sea-air inter-face and the upper water column at the typhoon site.In order to investigate the technical feasibility of the underwater-kite AUV under high sea state,an analysis of its mechanical response characteristics under the influence of waves was carried out,and an underwater-kite AUV dynamics model based on micro-amplitude wave theory and classical multi-body rigid-flexible structure dynamics modeling method was established.Numerical simulation was used to obtain the force and depth values of the AUV at different towing speeds and sea state levels,and the results showed that the current technical condi-tions can meet the demand for simultaneous observation of the underwater-kite AUV in high sea state from the mechanical point of view.
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