The underwater wireless power transfer (UWPT) technology provides a feasible way to solve the problems of traditional supply method autonomous vehicle (AUV). magnetic coupler is most essential component in system. Its configuration determines its applicable scenarios, and parameter design optimization will directly affect system's overall output efficiency. In this article, an arc-shaped proposed, which suitable for AUV's curved shell. Especially, proposed novel utilizes Fe-based...

This article proposes an asymmetric magnetic coupler using the horizontal field to realize conformal and lightweight unmanned aerial vehicle (UAV) side pickup mechanism solve problems of rotation misalignment offset UAVs. The novel structure uses multiple groups series circular coils as transmitting coil construct a uniform near harness field. solenoid covered with flexible material is used receiver, which attached UAV landing gear. A 200-W prototype produced validate proposed structure....

Magnetic coupling resonance wireless power transfer technology is one of the effective ways to solve energy supply problem autonomous underwater vehicles. As most critical component in an system, magnetic coupler largely determines capability and marine environment adaptability. This article proposes a novel ID-shaped with pendulum-type receiver, which has characteristics compact structure, lightweight, enough misalignment tolerance, high receiver density. The design optimization flow given...

When the static wireless charging system works for a long time, heating of magnetic coupler will bring adverse effects on stability, safety and other aspects system. In this paper, under SAE standard is studied by simulation software. The temperature variation distribution coil, core aluminum plate are simulated. On basis, optimization scheme presented from perspective thermal design.

Wireless power transfer (WPT) technology provides a feasible way to solve the problems of poor reliability, low life and difficult maintenance satellite slip ring supply system. In this paper, novel redundancy design method magnetic coupling mechanism with high reliability long is proposed, topology wireless circuit are designed analyzed. The proposed can achieve mutual inductance fluctuation less than 1% when rotating 360 degrees its loss distribution given at end paper.

The docking mechanism plays an important role in power transmission between spacecraft. And there're many problems traditional wired charging method. Thus, this paper proposes a bidirectional wireless transfer(BWPT) system used the of Based on technology, spacecraft expands its energy storage capacity and can dispatch more reasonably through interaction with external devices. Different from converters, for converter spacecraft, most factors that should be paid attention to are volume...

The underwater wireless charging technology provides a feasible way to solve the problem of traditional power supply method unmanned vehicle. In this paper, an arc-shaped magnetic coupling mechanism is proposed, which suitable for curved shell vehicles. Different from mechanism, proposed uses Fe-based nanocrystalline alloy soft material as core. Compared with Mn-Zn ferrite material, both volume and weight receiver are reduced. A prototype transfer system 320mm diameter built, transferred 3kW...

This study investigates the dynamics of wireless power supply technology under rotation and its system redundancy, aiming to design a redundant, rotating system. In order satisfy specifications redundancy fault tolerance, circuit transmission was developed, planar three-sector coil coupling mechanism designed; finally, stability output characteristics were assessed static dynamic working conditions, results show that maximum can reach 3 kW efficiency is more than 91% both conditions. The...

In this paper, a dynamic RF position detection system that uses signals to realize real-time switching control of the segmented rails wireless power supply electric vehicles is designed. And circuit with PCB directional antenna designed, communication distance can be controlled within certain range by adjusting transmitting and receiving sensitivity circuit. The good penetration anti-jamming ability are verified experiments.

Asymmetrical magnetic couplers are often applied in the wireless charging system of inspection robots with strong misalignment adaptability. When a specific range occurs on receiving coil, mutual inductance between transmitting coil and remains almost constant, thereby ensuring stable power transmission. However, since bottom chassis robot is made aluminum, it will affect original asymmetric coupler's field distribution thus lose effect stability. This paper analyzes failure mechanism...

Wireless power transfer (WPT) technology provides a new energy transmission solution, which completely removes the shackles of wires. Although magnetic coupler WPT system has high degree integration, it can still avoid fluctuation and even failure in long-term work. In this paper, some early works redundancy fault-tolerant design systems are reviewed, kind method rotational wireless is proposed. Both passive active control (FTC) methods for were put forward at same time. Two redundant coil...

Underwater wireless charging technology provides a feasible way to solve the problems of poor safety, low life and difficult maintenance traditional wet plug mode underwater equipment. In this paper, research status magnetic coupling mechanism system at home abroad is reviewed, characteristics different types are studied analyzed. The existing in summarized.

This paper proposes a wireless charging system based on multi-inverter array type transmitting coils to solve the transmission power drop caused by randomness of receiver. Through overlapping arrangement and switching coils, mutual inductance between receiving coil is kept stable in more extensive range. In case using four at height 100mm, reduced less than 15% within range 880mm×880mm. The parallel resonant cavity constructed inverters non-working problem coupling coils.