Compact and Free-Positioning Omnidirectional Wireless Power Transfer System for Unmanned Aerial Vehicle Charging Applications

Wu, Shuai; Cai, Chunwei; Liu, Xichen; Chai, Wei; Yang, Shıyan

doi:10.1109/tpel.2022.3158610

Cited by 42 publications

(17 citation statements)

References 17 publications

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“…Although the WPT system for missiles has been studied up to 300 W through the conventional study [7], it has a limitation in that it is a WPT system that transfers power to a single load through a single power source. Likewise, studies for drones and UAVs all deliver up to 325 W of power [5], [27]- [28], but these studies have nothing to do with transferring power to two loads through two input Drones 150 W X [28] UAVs 325 W X power sources. That is, this study is a very practical study designed in consideration of the actual missile operation environment, and has the advantage of being able to transfer power to two loads with two input power sources with a voltage difference of 13 times.…”

Section: Comparison With Other High-power Wpt Systems Of Several Hund...mentioning

confidence: 99%

Design of a Wireless Power Transfer System With Two Inputs With Large Voltage Differences for Missiles Mounted on Maritime Vessels

et al. 2022

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Missiles mounted on maritime vessels have two types of loads. One is the operating load consumed just before launch, and the other is the safety sensors load that must always be activated for safety. Because the operating load consumes a large power capacity, the power generated by the vessel's own power generators must be supplied. Meanwhile, the loads for safety sensors are supplied through an energy storage system (ESS) because the safety sensors must be supplied with power even when the generators stop. However, the voltage difference between the generated power and the ESS power reaches ten times or more. Therefore, there is a problem in that the input of the two power sources with a large input difference must be transferred to two loads through only a pair of coils. To solve this problem, a WPT system is proposed to overcome the voltage difference between the generated power and the ESS power. The design method of the proposed system is analyzed mathematically, and it is verified through simulations and experiments. The proposed system has a maximum dc to dc power transfer efficiency of 76.8% with a capacity of 550 W and has the advantage that power is continuously supplied to the sensor loads even if the input voltage source is changed. In addition, by operating the proposed WPT system under a wide load of 200 W to 1000 W, the effectiveness of the proposed WPT system is proved.

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Section: Comparison With Other High-power Wpt Systems Of Several Hund...mentioning

confidence: 99%

Design of a Wireless Power Transfer System With Two Inputs With Large Voltage Differences for Missiles Mounted on Maritime Vessels

et al. 2022

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“…Compared with the traditional plug-in method, WPT has the advantages of safety, convenience and environmental adaptability [1]. Due to the superior characteristics, over the decade, it has been successfully used in medical devices [2], consumer electronics [3], drones [4], underwater equipment [5], electric vehicles [6,7] and so on.…”

Section: Introductionmentioning

confidence: 99%

An LCC‐S compensated wireless power transfer system using receiver‐side switched‐controlled capacitor combined semi‐active rectifier for constant voltage charging with misalignment tolerance

Wang

Deng

Chen

2023

IET Power Electronics

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The output characteristics of wireless power transfer systems are strongly susceptible to coupling and load variations. To achieve a constant voltage output under varying coupling and load, a voltage regulation method based on a combination of a semi‐active rectifier (SAR) and a switched‐controlled capacitor (SCC) is proposed for the LCC‐S topology. Adjusting the SAR can effectively regulate the voltage, and the introduction of SCC compensates the impedance brought by SAR, ensuring that the resonance condition is fully satisfied at the receiver side. Thus, the proposed wireless power transfer system can achieve zero phase angle over the entire load and coupling range, minimizing reactive power losses. This control method only needs to collect the signal from the receiver side, which enables single‐side control as well as avoids the wireless communication. The situation of coupler parameter drift due to misalignment is also considered. Even if the self‐inductance changes, the zero phase angle can be guaranteed on the receiving side by adjusting the SCC, and the zero voltage switching of the transmitter side can still be achieved. The principle prototype of 3 kW is constructed and the experimental results prove the effectiveness of the proposed method.

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“…WPT was first applied in the air medium, mainly for wireless charging of electric vehicles, 10 wireless charging of medical electronic pacemakers, 11 and wireless charging of smart tailless homes 12 . As the technology progresses and the demand for its use becomes stronger, WPT is beginning to be used in seawater media 13,14 . The seawater environment is more complex and variable than the air environment, which poses many difficulties for the application of WPT technology.…”

Section: Introductionmentioning

confidence: 99%

“…demand for its use becomes stronger, WPT is beginning to be used in seawater media. 13,14 The seawater environment is more complex and variable than the air environment, which poses many difficulties for the application of WPT technology.…”

mentioning

confidence: 99%

A wireless power transfer system for an autonomous underwater vehicle based on lightweight universal variable ring‐shaped magnetic coupling

Zhang

Wang²,

Lu³

et al. 2023

Circuit Theory & Apps

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The existing wireless power transfer systems for autonomous underwater vehicles (AUVs) have problems due to long transmission distances and the unstable attitudes of AUVs, which result in poor system performance. To solve this problem, this paper proposes a lightweight universal variable ring-shaped magnetic coupler for the shape characteristics of AUVs and the charging platform environment. In particular, the size of the magnetic coupler transmitter can be varied according to the size of the AUV, resulting in a close fit between the magnetic coupler transmitter and receiver, reducing the transmission distance and fixing the AUV attitude. To achieve a lightweight receiver and reduce the burden on the AUV, the design is optimized in terms of both the system topology and the magnetic coupler structure. First, the LCC-S topology is used to reduce the number of components on the secondary side. Second, the use of a nanocrystalline ribbon as the core material effectively reduces the weight of the magnetic coupler receiver. Finally, a 300-W experimental platform is built to verify the functionality of the designed magnetic coupler.The experimental results show that the system has a DC-DC transfer efficiency of 86%. With the variable ring-shaped magnetic coupler, the charging power can be increased by 7.2% when the transmission efficiency remains unchanged.autonomous underwater vehicle (AUV), nanocrystalline ribbon, variable magnetic coupler, wireless power transfer (WPT) | INTRODUCTIONIn recent years, autonomous underwater vehicles (AUVs) have become a hot research topic in the field of marine engineering due to their significant applications. [1][2][3] Although AUVs have excellent maneuverability and flexibility, the limited energy of the batteries they carry does not allow them to perform continuous work over a long period of time and over a large area. [4][5][6] Wireless power transfer (WPT) is a new energy supply method that can compensate for these drawbacks and give AUVs a new level of performance. [7][8][9] WPT was first applied in the air medium, mainly for wireless charging of electric vehicles, 10 wireless charging of medical electronic pacemakers, 11 and wireless charging of smart tailless homes. 12 As the technology progresses and the

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Compact and Free-Positioning Omnidirectional Wireless Power Transfer System for Unmanned Aerial Vehicle Charging Applications

Cited by 42 publications

References 17 publications

Design of a Wireless Power Transfer System With Two Inputs With Large Voltage Differences for Missiles Mounted on Maritime Vessels

Design of a Wireless Power Transfer System With Two Inputs With Large Voltage Differences for Missiles Mounted on Maritime Vessels

An LCC‐S compensated wireless power transfer system using receiver‐side switched‐controlled capacitor combined semi‐active rectifier for constant voltage charging with misalignment tolerance

A wireless power transfer system for an autonomous underwater vehicle based on lightweight universal variable ring‐shaped magnetic coupling

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