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学者姓名：陈孝莺
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Abstract ：
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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Abstract ：
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 . |
| 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 (2025) . |
| 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 . |
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Abstract ：
A novel passive current sharing method for a multiphase wireless power transfer (WPT) system is proposed in this letter. For an N-phase inverter, there would be N compensating inductors in the inductor-capacitor-capacitor series (LCC-S) compensated WPT system. The proposed scheme introduces N external parallel resonant branches coupled with these N compensating inductors. In this way, an extremely large impedance is introduced in each loop of the circulating currents so as to balance the phase currents. No additional passive components with the rated power level are added to the power transfer channel. The proposed method employs two coupled inductors, which is easy to realize. Two new integrated structures for coupled inductors are introduced. The mathematical model and the current sharing principle of the proposed method are analyzed in detail. A 1.6-kW LCC-S compensated WPT experimental prototype with a four-phase inverter and the experimental results verify the effectiveness of the proposed current sharing method.
Keyword ：
Coupled Coupled Couplings Couplings current sharing current sharing Inductance Inductance Inductors Inductors Inverters Inverters Legged locomotion Legged locomotion paralleled paralleled Prototypes Prototypes resonant branch resonant branch Voltage Voltage wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Liu, Rongbin , Xie, Ronghuan , Chen, Xiaoying et al. Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) : 71-75 . |
| MLA | Liu, Rongbin et al. "Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 1 (2025) : 71-75 . |
| APA | Liu, Rongbin , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui , Li, Zhongqi , Zhang, Yiming . Current Sharing for a Multiphase Inverter Based on Coupled External Parallel Resonant Branches for Wireless Power Transfer System . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (1) , 71-75 . |
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Abstract ：
Dynamic wireless power transmission (DWPT) is a promising technology as it reduces the battery capacity carried by automated guided vehicles and lowers its cost and weight. However, there are large mutual inductance and power fluctuation in the dynamic charging process. In order to solve this problem, this letter proposes a low-cost and low-fluctuation dual-receiver magnetic coupler, which is connected in parallel by two half-bridge rectifiers. The transmitter employs an I-type solenoid coil to enhance the magnetic field and improve the coupling. The optimized design of the coupler structure enables the system to have smooth mutual inductance fluctuation by switching the two receiving coils with each other during the dynamic charging process. The experimental results show that the measured equivalent mutual inductance fluctuation is 3.6%, which verifies the feasibility of the optimized design of the magnetic coupling structure and the effectiveness of the proposed DWPT system.
Keyword ：
Automated guided vehicles (AGVs) Automated guided vehicles (AGVs) dual receiver (Rx) dual receiver (Rx) dynamic wireless power transfer (DWPT) dynamic wireless power transfer (DWPT) smooth mutual inductance fluctuation smooth mutual inductance fluctuation
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| GB/T 7714 | Zhang, Yiming , Zhou, Hangyan , Xie, Ronghuan et al. A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) : 4711-4715 . |
| MLA | Zhang, Yiming et al. "A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 4 (2025) : 4711-4715 . |
| APA | Zhang, Yiming , Zhou, Hangyan , Xie, Ronghuan , Mao, Xingkui , Chen, Xiaoying , Li, Zhongqi . A Smooth-Output Dynamic Wireless Charging System for Automated Guided Vehicles With Dual-Receiver Magnetic Coupler . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (4) , 4711-4715 . |
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Abstract ：
There are constant-current (CC) and constant-voltage (CV) charging or multistage CC charging with different CC or CV levels for different electric vehicles. Accommodating multiple output levels is challenging for a wireless power transfer (WPT) system. In addition, maintaining high efficiency and output stability during misalignment is required for practical applications. To meet the above requirements, dual-channel WPT systems with reconfigurable series-parallel switchers (RSPS) are proposed in this article. With the RSPS connected to both input and output ports of two power channels, the range of CV or CC output can be lifted to fourfold. The proposed systems are compatible with full-bridge and half-bridge switching that provides more output levels. Strong misalignment tolerance is achieved by the hybrid topologies. An experimental prototype is established to verify the proposed WPT systems. The results have revealed that the proposed systems can provide a wide CV or CC output range and maintain output stability with efficiency up to 93.3% under a misalignment distance from 0 to 100 mm.
Keyword ：
Coils Coils Constant current (CC) Constant current (CC) constant-voltage (CV) constant-voltage (CV) hybrid topology hybrid topology Inductance Inductance inductive power transfer (IPT) inductive power transfer (IPT) Inverters Inverters misalignment tolerance misalignment tolerance Receivers Receivers Switches Switches Topology Topology Transformers Transformers Voltage Voltage Voltage control Voltage control wide-range output wide-range output Wireless power transfer Wireless power transfer wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Zhou, Yicheng , Zheng, Yingyao et al. Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
| MLA | Zhang, Yiming et al. "Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2025) . |
| APA | Zhang, Yiming , Zhou, Yicheng , Zheng, Yingyao , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui . Dual-Channel Wireless Power Transfer Systems With Reconfigurable Series-Parallel Switchers on Both Input and Output Ports for Wide Constant-Voltage or Constant-Current Range and Misalignment Tolerance . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2025 . |
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Abstract ：
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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In wireless power transfer (WPT) systems for electric vehicles (EVs), interoperability and misalignment tolerance for different receiving charging terminals meet great demands. In this article, a hybrid topology with a vector synthesis strategy and highly integrated magnetic couplers are proposed to achieve misalignment tolerance and interoperability for unipolar (Q), bipolar (DD), and quadrupolar (QUA) coils over the X and Y misalignments. By adjusting the phase angles of the four half-bridge inverters under different misalignments, the output voltage fluctuation can be limited. The mathematical model of the proposed hybrid topology is established and the vector synthesis strategy is introduced. The magnetic couplers and the design principle are presented. A 2-kW prototype is built to verify the proposed system. The experimental results demonstrate that the output voltage fluctuation under misalignments is less than 3.1% for the Rx Q coil, 3.3% for the Rx DD coil, and 4.3% for the Rx QUA coil, and the peak efficiency is 89.3%.
Keyword ：
Coils Coils Couplers Couplers Couplings Couplings Ferrites Ferrites Fluctuations Fluctuations Highly integrated magnetic couplers Highly integrated magnetic couplers hybrid topology hybrid topology Inductors Inductors interoperability interoperability Inverters Inverters misalignment tolerance misalignment tolerance Topology Topology Vectors Vectors vector synthesis strategy vector synthesis strategy wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Huang, Zhongjin , Shen, Zhiwei et al. Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (5) : 7512-7522 . |
| MLA | Zhang, Yiming et al. "Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 40 . 5 (2025) : 7512-7522 . |
| APA | Zhang, Yiming , Huang, Zhongjin , Shen, Zhiwei , Xie, Ronghuan , Chen, Xiaoying , Mao, Xingkui . Interoperability and Misalignment Tolerance of Electric Vehicle Wireless Charging System Based on Multiple Self-Decoupled Transmitting Coils and Vector Synthesis Strategy . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2025 , 40 (5) , 7512-7522 . |
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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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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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An integrated Buck-LC converter for a wide voltage range is proposed in this paper based on a quasi-two-stage structure. In the integrated quasi-two-stage Buck-LC (IQBLC) converter, the LC resonant stage is under DCX mode and the Buck stage can achieve voltage regulation. The buck stage is integrated into the DCX stage, which can reduce the number of switches. The inductor of the buck stage only transfers a part of the output power which benefits the efficiency improvement and ZVS achievement. Different working modes and modulation strategies are presented for the IQBLC converter to further extend the voltage gain. The soft switching of all switches can be realized under different modes and loads. Besides, a duty cycle control trajectory is proposed to realize continuous voltage gain adjustment under multimode operation. The voltage gain characteristics, partial power characteristics, ZVS conditions, and discontinuous mode constraints of the LC stage are analyzed in detail in the paper. Experimental results are obtained from a 1kW prototype to validate the effectiveness of the proposed converter. IEEE
Keyword ：
Buck converters Buck converters Buck-LC Buck-LC Capacitors Capacitors Inductors Inductors quasi-two-stage quasi-two-stage Resonant converters Resonant converters Topology Topology Transformers Transformers Voltage control Voltage control ZCS ZCS ZVS ZVS
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| GB/T 7714 | Lu, Z. , Su, M. , Xu, G. et al. Integrated Quasi-two-stage Buck-LC Converter with Wide Voltage Gain Range [J]. | IEEE Transactions on Power Electronics , 2024 , 39 (8) : 1-11 . |
| MLA | Lu, Z. et al. "Integrated Quasi-two-stage Buck-LC Converter with Wide Voltage Gain Range" . | IEEE Transactions on Power Electronics 39 . 8 (2024) : 1-11 . |
| APA | Lu, Z. , Su, M. , Xu, G. , Li, L. , Liu, Y. , Chen, X. . Integrated Quasi-two-stage Buck-LC Converter with Wide Voltage Gain Range . | IEEE Transactions on Power Electronics , 2024 , 39 (8) , 1-11 . |
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