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学者姓名：陈孝莺
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Abstract ：
With the continuous expansion of wireless power transfer (WPT) in the field of electric vehicles (EVs) and automated guided vehicles (AGVs), there is a need for a wireless charger that can complete the charging of these two devices in a limited space. To fill the gap in this field, this paper proposes an integrated wireless transmitter (IWT) that is suitable for EV and AGV wireless charging under different frequencies, which can realize the radio energy transmission of two types of vehicles in one charging position. It can also tolerate different coupling structures in EV wireless charging, namely the unipolar (Q) and bipolar (DD) coils. The IWT is established by stacking the Q coil and the DD coil composed of two self-decoupled poles, combined with circuit configuration topologies. An experimental prototype is established to verify the interoperability performance. The proposed WPT system can achieve interoperability with EV wireless charging of Q or DD receiving coils at 85 kHz and AGV wireless charging at 200 kHz. © 2025 John Wiley & Sons Ltd.
Keyword ：
automated guided vehicle (AGV) automated guided vehicle (AGV) electric vehicle (EV) electric vehicle (EV) integrated wireless transmitter (IWT) integrated wireless transmitter (IWT) interoperability interoperability wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Liu, C. , Zheng, F. , Zhuang, Y. et al. Integrated Wireless Transmitter for EV and AGV With High Interoperability [J]. | International Journal of Circuit Theory and Applications , 2025 . |
| MLA | Liu, C. et al. "Integrated Wireless Transmitter for EV and AGV With High Interoperability" . | International Journal of Circuit Theory and Applications (2025) . |
| APA | Liu, C. , Zheng, F. , Zhuang, Y. , Chen, X. , Cheng, X. , Li, Z. et al. Integrated Wireless Transmitter for EV and AGV With High Interoperability . | International Journal of Circuit Theory and Applications , 2025 . |
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为提升宽电压增益下电动汽车的充电效率,提出了通过重构变压器匝比提升宽电压增益双有源桥(DAB)变换器传输效率的新兴实验技术.首先,介绍了 DAB 变换器的特点并分析了其在宽电压增益条件下存在的不足,提出了重构 DAB 变换器的变压器匝比的实验思路,并分析了其可行性.其次,提出了分别采用双变压器和多绕组变压器重构变压器匝比的两种电路拓扑,并设计了相应的控制方法和实验平台.最后,实验结果验证了所提技术的有效性,能够加深学生对于宽电压增益电动汽车充电技术的认识,扩展学生在电力电子学科的实验创新思维.
Keyword ：
双有源桥变换器 双有源桥变换器 宽电压增益 宽电压增益 电动汽车充电 电动汽车充电 重构变压器匝比 重构变压器匝比
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| GB/T 7714 | 张艺明 , 谢鸿彪 , 张韬 et al. 可重构变压器匝比的宽电压增益DAB变换器实验技术 [J]. | 实验技术与管理 , 2025 , 42 (3) : 28-36 . |
| MLA | 张艺明 et al. "可重构变压器匝比的宽电压增益DAB变换器实验技术" . | 实验技术与管理 42 . 3 (2025) : 28-36 . |
| APA | 张艺明 , 谢鸿彪 , 张韬 , 陈孝莺 , 程翔鹏 . 可重构变压器匝比的宽电压增益DAB变换器实验技术 . | 实验技术与管理 , 2025 , 42 (3) , 28-36 . |
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随着越来越多的电动汽车公司加入无线电力传输的行列,互操作性问题逐渐变得明显.除了常见的耦合结构、补偿网络和通信协议互操作性问题外,电池电压互操作性问题也逐渐显现出来,即各种型号的电池电压等级不同.针对现有电动汽车动力电池的电池电压等级,额定电压可以主要分为 400 和 800 V两种.考虑到公共无线电能传输设施的互操作性,电动汽车无线电能传输系统必须在相同的功率水平下有效兼容 400 和 800 V的电池电压水平.为了满足实际应用场景,提出了一种具备电压等级互操作性的可重构拓扑结构.该系统采用了两个完全堆叠的单极型线圈作为磁耦合结构,并通过开关切换的方式实现相同功率水平下两种不同电压等级的输出.通过建立数学模型对所提系统进行分析建模,后续通过搭建了一个 1.3 kW的小尺寸实验样机,对所提可重构拓扑结构功能进行了验证.结果表明,所提可重构拓扑结构具备在输出功率水平为 1.3 kW时输出 200 和 400 V的能力,并且系统最大直流-直流效率分别为 90.97%和 95.51%.最后,在所搭建的实验样机基础上对所提结构的偏移性能进行了测试与验证,结果表明所提系统在±100 mm的偏移范围内,直流-直流效率均高于 90%.
Keyword ：
互操作性 互操作性 可重构拓扑结构 可重构拓扑结构 无线充电 无线充电 电动汽车 电动汽车 电池电压 电池电压
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| GB/T 7714 | 刘超 , 周明珠 , 陈孝莺 et al. 适用400 V或800 V电池的电动汽车无线充电系统的可重构拓扑 [J]. | 仪器仪表学报 , 2025 , 46 (3) : 242-249 . |
| MLA | 刘超 et al. "适用400 V或800 V电池的电动汽车无线充电系统的可重构拓扑" . | 仪器仪表学报 46 . 3 (2025) : 242-249 . |
| APA | 刘超 , 周明珠 , 陈孝莺 , 张艺明 . 适用400 V或800 V电池的电动汽车无线充电系统的可重构拓扑 . | 仪器仪表学报 , 2025 , 46 (3) , 242-249 . |
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For automated guided vehicles (AGVs), the charging current is generally high to shorten the charging time. To achieve a high-current output, parallel connections are often chosen to distribute the current evenly across multiple coils or systems. This letter proposes a high-current output method based on intertwined receiving coils and split compensation capacitors. The receiving coil is split into four intertwined coils. They are arranged in such a way that the four coils are symmetrical to each other even with offset. Meanwhile, part or all of the compensating capacitors on the receiving side can also be split into four branches, connecting to the corresponding four receiving coils. It is proved that for the coil structure proposed when the whole compensating capacitors are split into four branches, the current difference of the four coils is the smallest. An experimental prototype is implemented. The experimental results show that the proposed method can achieve good current balancing performance of the four receiving coils even under the conditions of load change and coil position offset.
Keyword ：
Capacitors Capacitors Coils Coils Couplings Couplings Current sharing Current sharing Equivalent circuits Equivalent circuits high-current output high-current output Impedance Impedance Inductance Inductance Inductors Inductors intertwined coil intertwined coil Resonance Resonance split compensating capacitors split compensating capacitors Topology Topology Voltage Voltage wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Ouyang, Hongjing , Zhang, Tao et al. High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (7) : 8923-8927 . |
| MLA | Zhang, Yiming et al. "High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 7 (2025) : 8923-8927 . |
| APA | Zhang, Yiming , Ouyang, Hongjing , Zhang, Tao , Xie, Ronghuan , Chen, Xiaoying , Cheng, Xiangpeng et al. High-Current Output for AGV Wireless Charging System With Intertwined Receiving Coils and Split Compensating Capacitors . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (7) , 8923-8927 . |
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To improve the efficiency of isolated bidirectional dc-dc converters for off-board dc charging over a wide voltage gain, such as dual active bridge (DAB) and inductor-inductor-capacitor (LLC) resonant converters, this article proposes an approach to reconfiguring transformer turn ratio using multibridge-legs (RTTMBL). The proposed RTTMBL approach reconfigures a large number of turn-ratio combinations by adding a few auxiliary components. The different combinations of turn ratio are selected for different operating conditions to match the primary and secondary voltages of the converter, obtaining a lower inductor rms current and a wider zero-voltage switching (ZVS) range, thus reducing conduction and switching loss. This article first analyzes the principle of the proposed approach and describes the application of RTTMBL on DAB (DAB-RTTMBL) converter. Second, the DAB-RTTMBL is compared with the existing solutions regarding inductor rms current and ZVS range. Finally, a DAB-RTTMBL converter prototype with a power of 1kW and a voltage gain varying from 0.4 to 2.5 is built to verify the effectiveness of RTTMBL, which has six turn-ratio combinations. The results demonstrate the great potential of the proposed RTTMBL for wide-voltage-gain applications.
Keyword ：
Batteries Batteries Bridge circuits Bridge circuits Dual active bridge (DAB) Dual active bridge (DAB) Inductors Inductors Legged locomotion Legged locomotion LLC LLC reconfigurable transformer turns ratio reconfigurable transformer turns ratio Resonant converters Resonant converters Switches Switches Topology Topology Transformers Transformers wide voltage range wide voltage range Windings Windings Zero voltage switching Zero voltage switching
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| GB/T 7714 | Xie, Hongbiao , Zhang, Tao , Rao, Peiyao et al. An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (9) : 9172-9183 . |
| MLA | Xie, Hongbiao et al. "An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 72 . 9 (2025) : 9172-9183 . |
| APA | Xie, Hongbiao , Zhang, Tao , Rao, Peiyao , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui et al. An Approach to Reconfiguring Transformer Turn Ratio Using Multibridge-Legs for Wide-Voltage-Gain DAB and LLC Converters . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (9) , 9172-9183 . |
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With the development of electric vehicles (EVs), there are two rated voltage levels for lithium-ion batteries, namely 400 and 800 V. Given the interoperability performance of public wireless power transfer (WPT) facilities, EV WPT systems should efficiently transmit power for both battery options. In this letter, a method is proposed by combining the coupling structure with a reconfigurable inductor-capacitor-capacitor (LCC) compensation network to enable charging EVs with the nominal battery voltage (NBV) of 400 or 800 V at the same power level, while maintaining high efficiency. The secondary LCC compensation is reconfigured so that the equivalent compensating inductance is varied. The mathematical model is established. The downscaled experimental prototype achieves a dc-dc efficiency of 95.34 and 92.40% for the output voltages of 200 and 400 V at the power level of 1.5 kW, respectively. The feasibility of the proposed system has been verified under the condition of alignment and misalignment of two sets of coupling coils.
Keyword ：
Batteries Batteries Coils Coils Control systems Control systems Couplings Couplings Electric vehicles (EVs) Electric vehicles (EVs) Electrons Electrons Inductance Inductance interoperability interoperability nominal battery voltage (NBV) nominal battery voltage (NBV) Prototypes Prototypes Switches Switches Topology Topology Wireless power transfer Wireless power transfer wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Liu, Chao , Zhou, Mingzhu , Xie, Ronghuan et al. An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (8) : 8710-8714 . |
| MLA | Liu, Chao et al. "An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 72 . 8 (2025) : 8710-8714 . |
| APA | Liu, Chao , Zhou, Mingzhu , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui , Zhang, Yiming . An Interoperable Receiver With Reconfigurable LCC Compensation for Wireless Charging of 400-and 800-V Batteries in Electric Vehicles . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 , 72 (8) , 8710-8714 . |
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A Y-source coupled inductor-based high voltage gain dc-dc converter with zero input current ripple (ZICR) is proposed in this article. ZICR is achieved by adding an auxiliary circuit which is composed of an inductor, a capacitor, and a coupled inductor in series. The presence of the capacitor results in an average zero current passing through the ZICR structure. Therefore, a small size magnetic core can be used to design the inductor, which can reduce the volume and copper loss of the magnetic components. In addition, a Y-source coupled inductor along with a voltage multiplier is used to achieve high voltage. The inherent passive clamp circuit effectively restricts the off-voltage spike and voltage stress across the switch. By utilizing capacitors to absorb the leakage energy, zero current switching (ZCS) turn-off of all diodes is achieved and mitigates the reverse-recovery issues of the converter. A 200 W 32-380 V 50 kHz experimental prototype is built to verify the feasibility of this converter. Within the output power range of 40-200 W, the efficiency of the prototype with the ZICR structure is higher than that without this structure. The maximum efficiency of the converter with the ZICR structure and without it are 95.9% and 95.6%, respectively.
Keyword ：
DC-DC converter DC-DC converter high voltage gain high voltage gain Y-source coupled inductor Y-source coupled inductor zero input current ripple (ZICR) zero input current ripple (ZICR)
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| GB/T 7714 | Xu, Yuzhen , Zhang, Yueling , Zhou, Mingzhu et al. Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple [J]. | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS , 2025 , 13 (1) : 199-213 . |
| MLA | Xu, Yuzhen et al. "Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple" . | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS 13 . 1 (2025) : 199-213 . |
| APA | Xu, Yuzhen , Zhang, Yueling , Zhou, Mingzhu , Xie, Ronghuan , Mao, Xingkui , Chen, Xiaoying et al. Y-Source Coupled Inductor Based High Voltage Gain DC-DC Converter With Zero Input Current Ripple . | IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS , 2025 , 13 (1) , 199-213 . |
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The traditional method for achieving misalignment tolerance using two detuned circuits depends on output sampling and communication between the primary and secondary sides. This article proposes a self-adaptive dual-channel detuned compensation topology to achieve a stable output for wireless charging of autonomous underwater vehicles (AUVs). In the low coupling coefficient interval, power is transferred through both channels; in the high coupling coefficient interval, power is transferred through only one channel. The mode switching process occurs naturally without additional switches or control. Two sets of arc-shaped coils are employed as the two channels, forming dual arc-shaped coil sets, without cross-coupling between them. Due to the symmetrical magnetic couplers, the mutual inductances of the two channels respond similarly to both rotational and axial misalignment. A 1.6-kW experimental prototype for the AUV wireless charging is built to validate the feasibility of the proposal. The output voltage fluctuation of the system is 8% within the coupling coefficient interval of [0.2, 0.6]. The system can still maintain over 89% transmission efficiency in the worst case.
Keyword ：
Arc-shaped Arc-shaped autonomous underwater vehicle (AUV) autonomous underwater vehicle (AUV) Capacitance Capacitance Circuits Circuits Coils Coils Couplings Couplings detuned detuned dual-channel dual-channel Inductance Inductance misalignment tolerance misalignment tolerance Resonance Resonance self-adaptive self-adaptive Switches Switches Topology Topology Transmitters Transmitters wireless charging wireless charging Wireless power transfer Wireless power transfer
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| GB/T 7714 | Tang, Hongmin , Liu, Chao , Pan, Wenxuan et al. A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (3) : 4630-4639 . |
| MLA | Tang, Hongmin et al. "A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 3 (2025) : 4630-4639 . |
| APA | Tang, Hongmin , Liu, Chao , Pan, Wenxuan , Rao, Peiyao , Zhuang, Yizhan , Chen, Xiaoying et al. A Self-Adaptive Dual-Channel LCC-S Detuned Topology for Misalignment Tolerance in AUV Wireless Power Transfer Systems . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (3) , 4630-4639 . |
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Wireless charging technology for electric vehicles (EVs) encounters critical technical challenges, particularly in terms of misalignment tolerance and interoperability. To address these issues, this article proposes a wireless charging system based on multiphase parallel-connected receiving coils. Benefiting from the diode clamping effect, the system adaptively switches active coils to ensure both interoperability and misalignment tolerance. Moreover, system performance in these areas is further optimized by the tailored design of the magnetic coupler. A mathematical model of the system is developed to verify the proposed approach, and a 1.4 kW experimental prototype with a three-phase parallel receiving coil configuration is constructed for validation. Experimental results demonstrate that the proposed approach achieves interoperability between unipolar and double-D coil through automatic coil switching. Additionally, the system maintains high efficiency over a broad range of misalignments, with a peak efficiency reaching 93.53%.
Keyword ：
Adaptive coil switching Adaptive coil switching Coils Coils Control systems Control systems Couplers Couplers Inductance Inductance Inductive charging Inductive charging interoperability interoperability Interoperability Interoperability misalignment tolerance misalignment tolerance multi-phase receiving coil multi-phase receiving coil Power generation Power generation Resistance Resistance scalability scalability Switches Switches Topology Topology wireless charging wireless charging wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Pan, Wenbin , Shen, Zhiwei , Yu, Xingpeng et al. An Adaptive and Scalable Wireless Charging System for Electric Vehicles With Enhanced Interoperability and Misalignment Tolerance [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (9) : 14159-14168 . |
| MLA | Pan, Wenbin et al. "An Adaptive and Scalable Wireless Charging System for Electric Vehicles With Enhanced Interoperability and Misalignment Tolerance" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 9 (2025) : 14159-14168 . |
| APA | Pan, Wenbin , Shen, Zhiwei , Yu, Xingpeng , Xie, Ronghuan , Zheng, Feijie , Chen, Xiaoying et al. An Adaptive and Scalable Wireless Charging System for Electric Vehicles With Enhanced Interoperability and Misalignment Tolerance . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (9) , 14159-14168 . |
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A common and urgent problem in electric vehicle (EV) wireless charging technology is the accidental entry of metal objects (MOs) into the charging area where there is no direct physical contact. Eddy currents can be induced in the MOs, generating a large amount of heat and potentially leading to serious consequences such as fire. The current commercially applied MO detection (MOD) technology has the problems of low detection sensitivity, affecting the power transmission magnetic field, and the existence of blind zones. In view of these shortcomings, a MOD system for wireless charging of EVs is proposed in this article. Long strip detection coils are designed and placed above the transmitter coil. Each strip detection coil is composed of 16 unipolar coils having alternating polarities, which can realize decoupling between the detection coil and the transmitter coil and eliminate the interference to the magnetic field of the wireless power transmission system. A third-order Sallen-Key high pass filter and a proportional amplifier circuit are used to improve the sensitivity and accuracy of MOD. Finally, an experimental platform of MOD for EV wireless charging is built, and the proposed system can detect the existence of MOs sensitively and accurately at the location where they may exist.
Keyword ：
Coils Coils Detection coil Detection coil electric vehicle (EV) electric vehicle (EV) Electrification Electrification inductance change inductance change metal object detection (MOD) metal object detection (MOD) Metals Metals Strips Strips Transportation Transportation Wireless communication Wireless communication wireless power transfer (WPT) wireless power transfer (WPT) Wireless sensor networks Wireless sensor networks
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| GB/T 7714 | Wang, Hui , Zheng, Yingyao , Zhou, Yicheng et al. Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils [J]. | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2025 , 11 (1) : 4420-4428 . |
| MLA | Wang, Hui et al. "Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils" . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION 11 . 1 (2025) : 4420-4428 . |
| APA | Wang, Hui , Zheng, Yingyao , Zhou, Yicheng , Wu, Yuanchao , Pan, Wenbin , Shen, Zhiwei et al. Blind-Zone-Free Metal Object Detection System for Wireless EV Charging System Employing Strip Multipolar Detection Coils . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2025 , 11 (1) , 4420-4428 . |
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