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学者姓名：江彦伟
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Abstract ：
在无线电能传输(wireless power transfer,WPT)系统中,偏移是不可避免的,偏移会引起系统参数的变化从而影响系统的传输性能.基于S-S和P-S补偿拓扑,提出一种具有抗偏移特性的双耦合 SP-S 补偿的紧凑型 WPT 系统.该系统采用两个同轴布置、相互解耦的圆角方形线圈作为能量的发射线圈,其与单一方形接收线圈均有耦合,提升了 X方向和 Y 方向的抗偏移容忍度.通过谐振参数配置使接收线圈在偏移的过程中,一个线圈回路的输出增加,另一个线圈回路输出减少,从而使系统输出随接收线圈位置偏移波动平缓.提出方形解耦线圈结构参数的设计方法,并分析发射端并联补偿电容对输出抗偏移性能的影响.最后,搭建实验平台验证该方法的有效性与系统的抗偏移能力.
Keyword ：
双耦合 双耦合 抗偏移 抗偏移 无线电能传输 无线电能传输 解耦线圈 解耦线圈
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| GB/T 7714 | 谢文燕 , 陈为 , 陈庆彬 et al. 双耦合SP-S补偿紧凑型抗偏移WPT系统 [J]. | 中国电机工程学报 , 2024 , 44 (2) : 714-724,中插24 . |
| MLA | 谢文燕 et al. "双耦合SP-S补偿紧凑型抗偏移WPT系统" . | 中国电机工程学报 44 . 2 (2024) : 714-724,中插24 . |
| APA | 谢文燕 , 陈为 , 陈庆彬 , 江彦伟 . 双耦合SP-S补偿紧凑型抗偏移WPT系统 . | 中国电机工程学报 , 2024 , 44 (2) , 714-724,中插24 . |
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Abstract ：
Pad misalignment is almost inevitable in most wireless power transfer (WPT) systems, which leads to system performance degradation due to the variation of system parameters. Based on S-S and P-S compensation topology, this paper proposes a compact WPT system with dual-coupled SP-S compensation with anti-offset characteristics. Two coaxially arranged, mutually decoupled, rounded square coils are used as the energy transmitting coils, which are coupled with a single square receiving coil to improve the anti-offset tolerance in the X and Y directions. In the process of receiving coil offset, the output of one transmitting coil loop is increased and the output of the other coil loop is reduced by resonance parameter configuration, so that the system output fluctuates gently with the offset of the receiving coil. The design method of the structural parameters of the square decoupling coil is put forward and the influence of shunt compensation capacitance on the offset resistance of output is also analyzed. An experimental platform is built to verify the feasibility of the proposed method and the anti-misalignment performance of the proposed WPT system. ©2024 Chin.Soc.for Elec.Eng.
Keyword ：
Alignment Alignment Energy transfer Energy transfer Inductive power transmission Inductive power transmission
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| GB/T 7714 | Xie, Wenyan , Chen, Wei , Chen, Qingbin et al. Compact Anti-offset WPT System With Dual-coupled SP-S Compensation [J]. | Proceedings of the Chinese Society of Electrical Engineering , 2024 , 44 (2) : 714-724 . |
| MLA | Xie, Wenyan et al. "Compact Anti-offset WPT System With Dual-coupled SP-S Compensation" . | Proceedings of the Chinese Society of Electrical Engineering 44 . 2 (2024) : 714-724 . |
| APA | Xie, Wenyan , Chen, Wei , Chen, Qingbin , Jiang, Yanwei . Compact Anti-offset WPT System With Dual-coupled SP-S Compensation . | Proceedings of the Chinese Society of Electrical Engineering , 2024 , 44 (2) , 714-724 . |
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This article proposed an autonomous wireless power transfer system with misalignment tolerance and improved control degree of freedom based on detuning control for battery charging, in which the outputs can be regulated continuously and smoothly without additional dc-dc converters while maintaining soft-switching or zero-phase-angle operation of the inverter. Theoretical analysis shows that constant current (CC) or constant voltage (CV) independent of coupling coefficient and load can be achieved without information exchange between transmitter and receiver, which eliminates wireless communication. Furthermore, when the detuning ratio is controlled to be constant, a transfer efficiency insensitive to the variation of the coupling coefficient can be obtained. A prototype with a 6-A charging current and a 36-V charging voltage is built to support the feasibility of the proposed method. Experimental results demonstrate that within the coupling coefficient range of 0.283-0.456, CC and CV with transfer efficiency greater than 91.5% can be achieved.
Keyword ：
Autonomous system Autonomous system battery charging battery charging detuning control detuning control misalignment tolerance misalignment tolerance wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Wu, Lihao , Zhang, Bo , Jiang, Yanwei . A Misalignment-Tolerant Autonomous Wireless Power Transfer System for Battery Charging Based on Detuning Control [J]. | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2024 , 39 (3) : 3851-3863 . |
| MLA | Wu, Lihao et al. "A Misalignment-Tolerant Autonomous Wireless Power Transfer System for Battery Charging Based on Detuning Control" . | IEEE TRANSACTIONS ON POWER ELECTRONICS 39 . 3 (2024) : 3851-3863 . |
| APA | Wu, Lihao , Zhang, Bo , Jiang, Yanwei . A Misalignment-Tolerant Autonomous Wireless Power Transfer System for Battery Charging Based on Detuning Control . | IEEE TRANSACTIONS ON POWER ELECTRONICS , 2024 , 39 (3) , 3851-3863 . |
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Abstract ：
Capacitive power transfer (CPT) technique uses coupled metal plates for energy transmission, which has the advantages of negligible eddy-current loss and low weight. To achieve efficient power transfer, CPT system often adopts circuit resonance and impedance compensation, which are generally realized by integer-order components, such as inductors and capacitors. However, it remains a fundamental challenge to create a CPT system whose transfer efficiency and output power are robust against the variation of resonant frequency and the coupled plates’ relative position. Therefore, this paper proposes a robust fractional-order autonomous CPT system containing a fractional-order inductor. Theoretical analysis shows that the transfer efficiency and output power of the proposed fractional-order CPT system are inherently robust not only to the variation of the coupled plates’ relative position but also to the resonant frequency. In contrast, the transfer efficiency and output power of traditional integer-order CPT systems are sensitive to the resonant frequency. The available experimental results verify the effectiveness of the proposed system. IEEE
Keyword ：
Autonomous Autonomous Capacitive power transfer Capacitive power transfer Capacitors Capacitors Couplings Couplings Fractional-order Fractional-order Inductors Inductors Receivers Receivers Resonant frequency Resonant frequency RLC circuits RLC circuits Robust transmission Robust transmission Transmitters Transmitters
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| GB/T 7714 | Jiang, Y. , Zhou, Y. , Zhang, B. et al. A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit [J]. | IEEE Journal of Emerging and Selected Topics in Power Electronics , 2024 , 12 (3) : 1-1 . |
| MLA | Jiang, Y. et al. "A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit" . | IEEE Journal of Emerging and Selected Topics in Power Electronics 12 . 3 (2024) : 1-1 . |
| APA | Jiang, Y. , Zhou, Y. , Zhang, B. , Chen, W. , Chen, Q. , Shu, X. . A Robust Capacitive Power Transfer System via Fractional-order Autonomous Circuit . | IEEE Journal of Emerging and Selected Topics in Power Electronics , 2024 , 12 (3) , 1-1 . |
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Abstract ：
At present, wireless power transfer systems based on magnetic resonance, parity-time symmetry, and fractional order have received more and more attention, especially in wireless charging applications of mobile phones, electric vehicles, and other products. However, the consequent electromagnetic radiation safety issues are becoming increasingly prominent. Therefore, this paper compares and studies the magnetic field distribution of magnetic resonance, parity-time symmetric and fractional-order wireless power transfer systems, and uses ANSYS simulation software to simulate and comparative analyze. The simulation results show that under the condition of equal output power, the magnetic field distribution of the parity-time symmetric wireless power transfer system is more concentrated when the coupling coefficient is small, while the magnetic field distribution of the magnetic resonance wireless power transfer system is more concentrated when the coupling coefficient is large, but it is significantly smaller than that of the fractional-order wireless power transfer system. In addition, the safety range of the parity-time symmetric wireless power transfer system is significantly larger than that of the magnetic resonance and the fractional-order wireless power transfer system at different output power. Remarkably, the magnetic field distribution of fractional-order wireless power transfer system will also change with different order, which implies that the safety range of the fractional-order wireless power transfer system can be designed according to the requirements to achieve the ideal safety range. © 2024 IEEE.
Keyword ：
Fractional order Fractional order Magnetic field distribution Magnetic field distribution Magnetic resonance Magnetic resonance Parity-time symmetry Parity-time symmetry Wireless power transfer Wireless power transfer
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| GB/T 7714 | Shu, X. , Wu, G. , Jiang, Y.W. et al. Study on magnetic field characteristics of typical wireless power transfer systems [未知]. |
| MLA | Shu, X. et al. "Study on magnetic field characteristics of typical wireless power transfer systems" [未知]. |
| APA | Shu, X. , Wu, G. , Jiang, Y.W. , Zhang, X. . Study on magnetic field characteristics of typical wireless power transfer systems [未知]. |
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Abstract ：
In wireless power transfer (WPT) systems, it is well known that the series-parallel (SP)-compensated topology is preferable for large load systems, like biomedical implants and consumer electronics, etc. However, it is a major challenge for practical SP-compensated WPT applications to obtain efficient and stable power transfer characteristics under the variations of coupling coefficient and resonant frequency. Therefore, based on fractional-order (FO) circuit theory, this paper proposes an SP-compensated FOWPT system with coupling independence and detuning insensitivity. Experimental results show that stable output power is maintained with a constant transfer efficiency in a wide load range, and when the resonant frequency of the receiver is detuned +/- 5%, the fluctuations of output power and transfer efficiency are less than 1%. The experiment validates the effectiveness of the proposed system.
Keyword ：
Coupling independence Coupling independence detuning insensitivity detuning insensitivity fractional-order wireless power transfer (FOWPT) fractional-order wireless power transfer (FOWPT) series- parallel (SP) series- parallel (SP)
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| GB/T 7714 | Shu, Xujian , Wu, Guoxin , Zhang, Xueqi et al. A Series-Parallel-Compensated Fractional-order Wireless Power Transfer System With Coupling Independence and Detuning Insensitivity [J]. | IEICE ELECTRONICS EXPRESS , 2024 , 21 (17) . |
| MLA | Shu, Xujian et al. "A Series-Parallel-Compensated Fractional-order Wireless Power Transfer System With Coupling Independence and Detuning Insensitivity" . | IEICE ELECTRONICS EXPRESS 21 . 17 (2024) . |
| APA | Shu, Xujian , Wu, Guoxin , Zhang, Xueqi , Jiang, Yanwei , Zhang, Bo . A Series-Parallel-Compensated Fractional-order Wireless Power Transfer System With Coupling Independence and Detuning Insensitivity . | IEICE ELECTRONICS EXPRESS , 2024 , 21 (17) . |
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Abstract ：
近年来，无线电能传输技术无论是机理研究还是产业化，都取得了长足的发展。其中基于量子力学中宇称-时间（parity-time,PT）对称机理的无线电能传输系统，因其固有的恒定传输特性，具有非常广阔的应用前景和重要的研究价值。该文结合当下开展的电力电子技术和无线电能传输课程，基于PSIM仿真软件，设计了一种PT对称无线电能传输系统仿真实验平台。首先根据PT对称机理，得出无线电能传输系统的PT对称条件，并据此分析PT对称无线电能传输系统的基本特性；然后系统地给出PT对称无线电能传输系统的设计方法和步骤，并由此确定系统的电气参数；最后在PSIM仿真软件中搭建一套系统的仿真实验平台，验证PT对称无线电能传输系统的恒定输出功率和传输效率特性。该仿真实验平台设计实现了电力电子技术和无线电能传输课程的交叉融合，有利于激发学生的创新性思维，培养学生的综合素质，进一步提高了无线电能传输课程的教学质量。
Keyword ：
PSIM PSIM 仿真实验平台 仿真实验平台 宇称-时间对称 宇称-时间对称 无线电能传输 无线电能传输
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| GB/T 7714 | 疏许健 , 张雪琪 , 江彦伟 . 基于PSIM的宇称-时间对称无线电能传输系统仿真实验平台设计 [J]. | 实验技术与管理 , 2023 , 40 (07) : 116-120,156 . |
| MLA | 疏许健 et al. "基于PSIM的宇称-时间对称无线电能传输系统仿真实验平台设计" . | 实验技术与管理 40 . 07 (2023) : 116-120,156 . |
| APA | 疏许健 , 张雪琪 , 江彦伟 . 基于PSIM的宇称-时间对称无线电能传输系统仿真实验平台设计 . | 实验技术与管理 , 2023 , 40 (07) , 116-120,156 . |
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Abstract ：
In this article, combining the phase synchronization method (PSM) and high harmonic operation (HHO), a novel parity-time (PT)-symmetric wireless power transfer (WPT) system with reduced switching frequency and improved step-down conversion ratio is proposed, where the power transferred to receiver side is carried by the $n$ th harmonic. We demonstrate that constant current (CC) and constant voltage (CV) independent of coupling coefficient and load resistance can also be obtained without wireless communication and additional dc-dc converters. Here, a new implementation of a negative resistor based on the $n$ th harmonic operation is proposed, which is a necessary condition of a PT-based system. In contrast to the standard PT-based system with the same resonant frequency, the switching frequency is reduced to 1/ $n$ due to the use of the $n$ th harmonic, thereby realizing low switching losses and high system efficiency. Besides, an inherently improved step-down conversion ratio can be obtained. A prototype with a 6-A charging current and a 36-V charging voltage is built to verify the feasibility of the proposed method.
Keyword ：
Constant current (CC) Constant current (CC) constant voltage (CV) constant voltage (CV) Frequency conversion Frequency conversion Harmonic analysis Harmonic analysis high harmonic operation (HHO) high harmonic operation (HHO) Inverters Inverters parity-time (PT) symmetry parity-time (PT) symmetry Power harmonic filters Power harmonic filters Resonant frequency Resonant frequency Switching frequency Switching frequency Voltage control Voltage control
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| GB/T 7714 | Wu, Lihao , Zhang, Bo , Jiang, Yanwei . Robust Parity-Time-Symmetric WPT System With Reduced Switching-Frequency and Improved Step-Down Conversion Ratio [J]. | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2023 , 9 (2) : 2090-2103 . |
| MLA | Wu, Lihao et al. "Robust Parity-Time-Symmetric WPT System With Reduced Switching-Frequency and Improved Step-Down Conversion Ratio" . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION 9 . 2 (2023) : 2090-2103 . |
| APA | Wu, Lihao , Zhang, Bo , Jiang, Yanwei . Robust Parity-Time-Symmetric WPT System With Reduced Switching-Frequency and Improved Step-Down Conversion Ratio . | IEEE TRANSACTIONS ON TRANSPORTATION ELECTRIFICATION , 2023 , 9 (2) , 2090-2103 . |
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With the optimization goal of improving the transmission efficiency of the magnetically coupled resonant wireless power transmission (MCR-WPT) system, the influencing factors and suppression methods of frequency splitting phenomenon (FSP) are analyzed from the perspective of input impedance based on the mutual inductance model. Then we propose the Monte Carlo-Interior Point method (MC-IPM) for nonlinear modeling to determine the optimal system parameters while ensuring that the system does not suffer from FSP. Finally, the simulation results show that the proposed method can obtain the optimal parameters faster and achieve higher transmission efficiency. The optimized system can meet the practical requirements and provides a reference value for improving the transmission performance of MCR-WPT.
Keyword ：
frequency splitting phenomenon frequency splitting phenomenon transmission efficiency transmission efficiency wireless power transfer wireless power transfer
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| GB/T 7714 | Wu, Zhihan , Jiang, Yanwei , Xiu, Guanquan et al. Nonlinear Modeling and Transmission Efficiency Optimization of MCR-WPT System Based on Monte Carlo-Interior Point Method [J]. | ELECTRONICS , 2023 , 12 (9) . |
| MLA | Wu, Zhihan et al. "Nonlinear Modeling and Transmission Efficiency Optimization of MCR-WPT System Based on Monte Carlo-Interior Point Method" . | ELECTRONICS 12 . 9 (2023) . |
| APA | Wu, Zhihan , Jiang, Yanwei , Xiu, Guanquan , Wu, Yongcai , Shu, Xujian . Nonlinear Modeling and Transmission Efficiency Optimization of MCR-WPT System Based on Monte Carlo-Interior Point Method . | ELECTRONICS , 2023 , 12 (9) . |
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Capacitive power transfer (CPT) technique has the advantages of negligible eddy-current loss, low cost and low weight, and so on. The circuit theory is currently used to model the CPT system to analyze its transfer characteristics, but the order of the circuit model is high and the analytical solution is complex. Coupled-mode theory model is a universal model that can be used to model coupled systems with low order and simple calculation. However, the coupled-mode theory has not been used to model the CPT system, and its applicability in the CPT system has not been analyzed. Therefore, this paper analyzes the coupled-mode theory model of the CPT system. Firstly, the general coupled-mode model of the CPT system is derived from the circuit theory, and the relationship between coupled-mode parameters and circuit parameters are analyzed. Theoretical analysis shows that the coupled-mode theory model is equivalent to the circuit model when the coupling capacitance is far less than the compensation capacitance and the natural resonance frequencies of the transmitter and receiver are close. Then, the transfer efficiency and power of CPT are also deduced based on the coupled-mode theory model. Finally, the simulated and experimental results verify the correctness of the theoretical analysis and the effectiveness of the coupled-mode theory model of the CPT system. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Keyword ：
Capacitive power transfer Capacitive power transfer Coupled-mode theory Coupled-mode theory Mathematical model Mathematical model
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| GB/T 7714 | Zhou, Y. , Yang, J. , Zhang, Y. et al. Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System [未知]. |
| MLA | Zhou, Y. et al. "Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System" [未知]. |
| APA | Zhou, Y. , Yang, J. , Zhang, Y. , Chen, Q. , Jiang, Y. . Applicability Analysis of Coupled-Mode Theory Model in Capacitive Power Transfer System [未知]. |
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