Design of power receiving side in wireless charging system for UAV application

Muharam, Aam; Mostafa, Tarek M.; Hattori, Reiji

doi:10.1109/icseea.2017.8267698

Cited by 25 publications

(19 citation statements)

References 16 publications

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“…Another critical aspect is the misalignment of the WPT coils due to an imprecise landing of the drone that can lead to a reduction of the coupling factor between coils, and therefore of the electrical performance. These two aspects have been investigated in the recent past, and several solutions have been presented [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29]. All the proposed solutions were mainly derived by previous WPT applications in other fields such as automotive or consumer electronics, and the main focus was on adapting these techniques to drones.…”

Section: Introductionmentioning

confidence: 99%

Innovative Design of Drone Landing Gear Used as a Receiving Coil in Wireless Charging Application

et al. 2019

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A near-field wireless power transfer (WPT) technology is applied to recharge the battery of a small size drone. The WPT technology is an extremely attractive solution to build an autonomous base station where the drone can land to wirelessly charge the battery without any human intervention. The innovative WPT design is based on the use of a mechanical part of the drone, i.e., landing gear, as a portion of the electrical circuit, i.e., onboard secondary coil. To this aim, the landing gear is made with an adequately shaped aluminum pipe that, after suitable modifications, performs both structural and electrical functions. The proposed innovative solution has a very small impact on the drone aerodynamics and the additional weight onboard the drone is very limited. Once the design of the secondary coil has been defined, the configuration of the WPT primary coil mounted in a ground base station is optimized to get a good electrical performance, i.e., high values of transferred power and efficiency. The WPT design guidelines of primary and secondary coils are given. Finally, a demonstrator of the WPT system for a lightweight drone is designed, built, and tested.

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Section: Introductionmentioning

confidence: 99%

Innovative Design of Drone Landing Gear Used as a Receiving Coil in Wireless Charging Application

et al. 2019

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“…In [82], the author presented a design for minimizing the component used in the receiver side of the UAVs. They replaced all components that made the size and weight of UAVs increase and controlled at the primary side.…”

Section: Ccwpt: Deployed Systemsmentioning

confidence: 99%

Electromagnetic Field Based WPT Technologies for UAVs: A Comprehensive Survey

Nguyen

Truong

et al. 2020

Electronics

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Wireless power transfer (WPT) techniques are important in a variety of applications in both civilian and military fields. Unmanned aerial vehicles (UAVs) are being used for many practical purposes, such as monitoring or delivering payloads. There is a trade-off between the weight of the UAVs or their batteries and their flying time. Their working time is expected to be as long as possible. In order to support the UAVs to work effectively, WPT techniques are applied with UAVs to charge secondary energy supply sources in order to increase their working time. This paper reviews common techniques of WPT deployed with UAVs to support them while working for different purposes. Numerous approaches have been considered to illustrate techniques to exploit WPT techniques. The charging distances, energy harvesting techniques, electronic device improvements, transmitting issues, etc., are considered to provide an overview of common problems in utilizing and charging UAVs. Moreover, specific problems are addressed to support suitable solutions with either techniques or applications for UAVs.

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“…Their approach minimizes the need for accurate alignment and achieved 50% efficiency for 12 W power output. A similar approach was used in [46] with improvements on the ancillary system, achieving a higher efficiency of 77% although at only 8 W of power output. Common to these mobile robots applications for CPT are the small transmission distance, typically in millimeter distances.…”

Section: Cptmentioning

confidence: 99%

Limitations of wireless power transfer technologies for mobile robots

2019

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Advances in technology have seen mobile robots becoming a viable solution to many global challenges. A key limitation for tetherless operation, however, is the energy density of batteries. Whilst significant research is being undertaken into new battery technologies, wireless power transfer may be an alternative solution. The majority of the available technologies are not targeted toward the medium power requirements of mobile robots; they are either for low powers (a few Watts) or very large powers (kW). This paper reviews existing wireless power transfer technologies and their applications on mobile robots. The challenges of using these technologies on mobile robots include delivering the power required, system efficiency, human safety, transmission medium, and distance, all of which are analyzed for robots operating in a hazardous environment. The limitations of current wireless power technologies to meet the challenges for mobile robots are discussed and scenarios which current wireless power technologies can be used on mobile robots are presented.

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Design of power receiving side in wireless charging system for UAV application

Cited by 25 publications

References 16 publications

Innovative Design of Drone Landing Gear Used as a Receiving Coil in Wireless Charging Application

Innovative Design of Drone Landing Gear Used as a Receiving Coil in Wireless Charging Application

Electromagnetic Field Based WPT Technologies for UAVs: A Comprehensive Survey

Limitations of wireless power transfer technologies for mobile robots

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