A Novel Conformal Coil Structure Design of Wireless Power Transfer System for Autonomous Underwater Vehicles

Liu, Peizhou; Gao, Tiande; Zhao, Ruixuan; Mao, Zhaoyong

doi:10.3390/jmse10070875

Cited by 6 publications

(4 citation statements)

References 19 publications

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“…In another paper by Guo et al [196], they designed a coaxial IWPT system with a position adaptive power delivery system to reduce the effect of misalignment with an efficiency of 88% for a 300 W power transfer. In [197], they designed another coaxially aligned IWPT device with high misalignment tolerance and that was compatible with a funnel-type docking station. The authors were able to transfer 2 kW with a 92.7% efficiency.…”

Section: Laboratory Prototypes With Coaxial and Planar Coilsmentioning

confidence: 99%

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

Martínez de Alegría,

Rozas Holgado,

Ibarra

et al. 2024

Energies

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Unmanned underwater vehicles (UUVs) are key technologies to conduct preventive inspection and maintenance tasks in offshore renewable energy plants. Making such vehicles autonomous would lead to benefits such as improved availability, cost reduction and carbon emission minimization. However, some technological aspects, including the powering of these devices, remain with a long way to go. In this context, underwater wireless power transfer (UWPT) solutions have potential to overcome UUV powering drawbacks. Considering the relevance of this topic for offshore renewable plants, this work aims to provide a comprehensive summary of the state of the art regarding UPWT technologies. A technology intelligence study is conducted by means of a bibliographical survey. Regarding underwater wireless power transfer, the main methods are reviewed, and it is concluded that inductive wireless power transfer (IWPT) technologies have the most potential. These inductive systems are described, and their challenges in underwater environments are presented. A review of the underwater IWPT experiments and applications is conducted, and innovative solutions are listed. Achieving efficient and reliable UWPT technologies is not trivial, but significant progress is identified. Generally, the latest solutions exhibit efficiencies between 88% and 93% in laboratory settings, with power ratings reaching up to 1–3 kW. Based on the assessment, a power transfer within the range of 1 kW appears to be feasible and may be sufficient to operate small UUVs. However, work-class UUVs require at least a tenfold power increase. Thus, although UPWT has advanced significantly, further research is required to industrially establish these technologies.

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Section: Laboratory Prototypes With Coaxial and Planar Coilsmentioning

confidence: 99%

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

Martínez de Alegría,

Rozas Holgado,

Ibarra

et al. 2024

Energies

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“…It is proved that the WPT system can be used for wireless charging of autonomous underwater vehicles. The performance of the proposed coil structure is evaluated experimentally in [102] on a LCC-S compensated WPT prototype. The S-LCC compensation topology was studied in [103,104].…”

Section: Higher-order Topology In Wptmentioning

confidence: 99%

Review of Crucial Problems of Underwater Wireless Power Transmission

Liu

Sun

et al. 2022

Electronics

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In order to solve the problem of energy supply for underwater equipment, wireless power transmission technology is becoming a new way of underwater power transmission. It has incomparable technical advantages over traditional power supply method, and can effectively improve the safety, reliability, convenience and concealment of power supply for underwater equipment. The WPT has a natural electrical isolation between the primary and secondary sides to ensure safe charging in an underwater environment. This breakthrough technology greatly facilitates power transmission in the deep sea. However, current transmission power and efficiency levels are not at the level of WPT systems in air. Based on the analysis of the development status of underwater wireless power transmission technology, this paper firstly puts forward the challenges of underwater wireless power transmission, and summarizes the electromagnetic coupler structure, underwater docking mode, compensation topology, control method and eddy current loss. The current research hotspots in the field of underwater wireless power transmission are summarized and analyzed. Finally, according to the development trend of technology, the urgent technical problems in underwater wireless power transmission are expounded.

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“…Paper [30] proposed a coil structure design method that is compatible with the structure of the AUVs and the rotational misalignment method for stabilizing the output power of an underwater wireless power transfer system. Paper [31] presented a four-plate underwater capacitive wireless power transfer system with rectangular coupled structure plates.…”

Section: Iintroductionmentioning

confidence: 99%

Comparison Survey of Effects of Hull on AUVs for Underwater Capacitive Wireless Power Transfer System and Underwater Inductive Wireless Power Transfer System

Yang¹,

Zhang²,

Li³

et al. 2022

IEEE Access

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Underwater wireless power transfer (UWPT) system has attracted widespread attention. It has been used for power delivery for underwater equipment in the marine environment with high safety and convenience. However, the material of metal plates and the shape which will affect the high frequency alternating electromagnetic fields and the high frequency alternating electric fields for the inductive wireless power transfer (IPT) system and the capacitive wireless power transfer (CPT) system. This paper presents the effects of the hull of the autonomous underwater vehicle (AUV) on the underwater wireless power transfer system including the underwater capacitive wireless power transfer (UCWPT) system and underwater inductive wireless power transfer (UIWPT) system. The features of underwater wireless power transfer systems have been carefully studied with simulation and experimental work. The experimental water tank has been constructed with the 35‰ salinity water. The hull of AUVs has been respectively simulated and built with rectangle metal plates and curved metal plates. The original experimental data and phenomenon have been presented in this paper. The different performance of the UCWPT system and UIWPT system is provided and discussed in this paper. The comparison work with the related paper has been analyzed. This paper could be acted as the reference for designing the underwater wireless power transfer system for AUVs.INDEX TERMS Underwater wireless power transfer (UWPT), capacitive, material, shape, autonomous underwater vehicles (AUVs)

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A Novel Conformal Coil Structure Design of Wireless Power Transfer System for Autonomous Underwater Vehicles

Cited by 6 publications

References 19 publications

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

Review of Crucial Problems of Underwater Wireless Power Transmission

Comparison Survey of Effects of Hull on AUVs for Underwater Capacitive Wireless Power Transfer System and Underwater Inductive Wireless Power Transfer System

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