Abstract
Wireless charging in the marine environment has problems such as high loss and low efficiency. In order to solve these problems, based on the wireless power transmission technology in the seawater environment, this paper studies the multi-physical field coupling relationship of the underwater IPT system. Through researching on the law of mutual influence and interaction between the fields, the relationship between the physical fields is established. The software is used to establish a system simulation model, the dataset is solved and analyzed to get the distribution of electric field, magnetic field, thermal field, and flow field, which provides a theoretical basis for the model and optimization of the IPT system in the seawater.
Highlights
The ocean is a vast treasure house of resources, with infinite unknowns and possibilities, and the development of marine resources has important strategic significance for the future development of mankind [1]
The energy carried by the Autonomous Underwater Vehicle (AUV) itself is limited and cannot meet the needs of long-term continuous work
The biggest difference between the Inductive Power Transfer (IPT) system in the marine environment and the air is reflected in two aspects: One is that seawater has conductivity, which is a typical multiphysics coupling problem [2]
Summary
The ocean is a vast treasure house of resources, with infinite unknowns and possibilities, and the development of marine resources has important strategic significance for the future development of mankind [1]. Autonomous Underwater Vehicle (AUV) has developed rapidly and has undertaken important tasks such as underwater survey and intelligence collection. The energy carried by the AUV itself is limited and cannot meet the needs of long-term continuous work. The establishment of underwater base stations and the use of Inductive Power Transfer (IPT) technology to supply power to AUVs can increase the underwater operating time of the aircraft, improve work efficiency, and enhance the concealment of AUVs. The biggest difference between the IPT system in the marine environment and the air is reflected in two aspects: One is that seawater has conductivity, which is a typical multiphysics coupling problem [2]. The other is that the impact of ocean currents affects the stable transmission of electrical energy in the IPT system [3,4,5,6,7,8,9]
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