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学者姓名：张艺明
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Abstract ：
Wireless charging for automatic guided vehicles (AGVs) has gained increasing interest. One of the charging issue is misalignment tolerance. This brief proposes an AGV static wireless charging system with dual receiving coils to achieve the anti-offset characteristic. The two receiving coils are specially designed to be decoupled and have a smooth coupling coefficient variation along misalignment. They are connected to two diode rectifiers, which are paralleled on the DC side. The proposed WPT system will automatically choose the maximum coupling for power transfer. In this way, the misalignment-tolerant WPT system can be achieved. An experimental prototype is implemented to validate the proposal.
Keyword ：
Coils Coils Couplings Couplings diode rectifier diode rectifier dual receiving coils dual receiving coils Misalignment tolerance Misalignment tolerance Rectifiers Rectifiers Switches Switches Topology Topology wireless charging wireless charging Wireless communication Wireless communication Wireless power transfer Wireless power transfer wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Mao, Xingkui , Lin, Jinhui , Su, Tianzhang et al. Automatic Guided Vehicle Wireless Charging With Dual Receiving Coils for Misalignment Tolerance [J]. | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS , 2024 , 71 (1) : 336-339 . |
| MLA | Mao, Xingkui et al. "Automatic Guided Vehicle Wireless Charging With Dual Receiving Coils for Misalignment Tolerance" . | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 71 . 1 (2024) : 336-339 . |
| APA | Mao, Xingkui , Lin, Jinhui , Su, Tianzhang , Zhang, Yiming . Automatic Guided Vehicle Wireless Charging With Dual Receiving Coils for Misalignment Tolerance . | IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS , 2024 , 71 (1) , 336-339 . |
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近年来电动汽车发展迅速，而传统的有线充电方式不能满足自动化和便利性的要求。电动汽车无线充电技术因其便利性和安全性受到广泛的研究。无线充电系统中常见的线圈结构有单极型线圈、双极型线圈和田字形线圈，由于不同厂商的适配问题，要兼容这些线圈则需要设计一种新型的线圈来实现互操作性。该文提出了一种新型的相互解耦的四单极接收线圈结构，能实现与不同发射线圈之间的互操作性。通过在接收线圈内部添加解耦绕组以实现4个接收线圈之间的解耦，并且通过串联二极管整流器使得发射线圈和四单极接收线圈之间的等效总互感是发射线圈和4个单极线圈之间的互感绝对值的总和。搭建了一套实验样机，验证了该方案的有效性，所提出的四单极接收线圈可以兼容单极型和双极型线圈以及田字形线圈，实现对不同接收线圈的互操作性。
Keyword ：
互操作性 互操作性 兼容 兼容 单极型 单极型 双极型 双极型 无线电能传输 无线电能传输 田字形线圈 田字形线圈
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| GB/T 7714 | 张艺明 , 沈志伟 , 毛行奎 et al. 基于相互解耦四单极接收线圈的电动汽车无线充电系统的互操作性 [J]. | 电网技术 , 2024 , 48 (02) : 650-663 . |
| MLA | 张艺明 et al. "基于相互解耦四单极接收线圈的电动汽车无线充电系统的互操作性" . | 电网技术 48 . 02 (2024) : 650-663 . |
| APA | 张艺明 , 沈志伟 , 毛行奎 , 陈凯楠 , 赵争鸣 . 基于相互解耦四单极接收线圈的电动汽车无线充电系统的互操作性 . | 电网技术 , 2024 , 48 (02) , 650-663 . |
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高升压、高效率、高功率密度的DC-DC变换器是可再生能源系统的重要组成部分。耦合电感因其良好的调压特性和高功率密度等特点广泛应用于高升压直流变换器拓扑的构造。基于耦合电感的高升压boost变换器种类非常多，为了帮助学生更好地理解这些变换器，并掌握它们的拓扑规律，该文采用“倍压单元-变换器拓扑-演化规律”思路，总结了一系列非隔离型高升压直流变换器的演变规律。以Y源结构的耦合电感高升压boost变换器为例，进行了模态分析和电压增益推导。为了验证该高升压直流变换器的稳态性质和动态性质，搭建了实验平台，并验证了该变换器的可行性和稳定性，旨在帮助学生加强对电力电子中高升压直流变换器的直观认识和理解，并提升归纳总结能力。
Keyword ：
Y源结构 Y源结构 倍压单元 倍压单元 实验平台 实验平台 直流变换器 直流变换器 耦合电感 耦合电感
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| GB/T 7714 | 张艺明 , 周明珠 , 刘超 et al. 非隔离型高升压直流变换器拓扑推演及平台设计 [J]. | 实验技术与管理 , 2024 , 41 (02) : 106-113 . |
| MLA | 张艺明 et al. "非隔离型高升压直流变换器拓扑推演及平台设计" . | 实验技术与管理 41 . 02 (2024) : 106-113 . |
| APA | 张艺明 , 周明珠 , 刘超 , 庄一展 . 非隔离型高升压直流变换器拓扑推演及平台设计 . | 实验技术与管理 , 2024 , 41 (02) , 106-113 . |
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<正>储能已经成为新能源电力系统及载运工具不可或缺的核心技术，也是实现“双碳”目标的有力抓手。随着储能系统应用规模的不断扩大，储能关键装备及系统的安全管理工作愈发重要。储能关键设备老化、保养不及时等问题会导致本体故障；在极端运行工况下，储能装备可靠性降低将导致系统整体失控。因此，如何结合大数据挖掘与人工智能方法，实现数字化与智能化科学管理，提高储能系统无线电传输控制方法、充放电优化策略、容量配置等关键技术水平，充分发挥数据核心价值，
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| GB/T 7714 | 李晓宇 , 商云龙 , 张艺明 et al. 序 [J]. | 电气工程学报 , 2024 , 19 (01) : 1-2 . |
| MLA | 李晓宇 et al. "序" . | 电气工程学报 19 . 01 (2024) : 1-2 . |
| APA | 李晓宇 , 商云龙 , 张艺明 , 朱建功 , 孟锦豪 . 序 . | 电气工程学报 , 2024 , 19 (01) , 1-2 . |
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Abstract ：
In recent years, electric vehicles have developed rapidly, but the traditional wired charging method cannot meet the requirements of automation and convenience of the vehicles. Therefore, the wireless charging technology for electric vehicles has been widely studied for its safety and convenience. The common coil structures in the wireless charging system include the unipolar coil, the bipolar coil and the quadrupole coil. Due to the adaptation problems of different manufacturers, a new type of coil should be designed to get compatible with these coils to achieve the interoperability. This paper presents a new decoupled quadruple monopole receiving coil structure, which may achieve the interoperability with different transmitting coils. The decoupling between the four receiving coils is realized by adding a decoupling winding inside the receiving coils. Then, the total mutual inductance between the transmitting coil and the four monopole receiving coils is the sum of the absolute value of the mutual inductance between the transmitting coil and the four monopole coils by the series diode rectifier. A set of experimental prototype is built to verify the effectiveness of the scheme. The proposed four-monopole receiving coil is able to be compatible with the unipolar coil, the bipolar coil and the quadrupole coil, realizing the interoperability with different receiving coils. © 2024 Power System Technology Press. All rights reserved.
Keyword ：
Electric rectifiers Electric rectifiers Electric vehicles Electric vehicles Electric windings Electric windings Energy transfer Energy transfer Inductance Inductance Inductive power transmission Inductive power transmission Interoperability Interoperability
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| GB/T 7714 | Zhang, Yiming , Shen, Zhiwei , Mao, Xingkui et al. Interoperability of Electric Vehicle Wireless Charging System Based on Decoupled Four-monopole Receiving Coil [J]. | Power System Technology , 2024 , 48 (2) : 650-657 . |
| MLA | Zhang, Yiming et al. "Interoperability of Electric Vehicle Wireless Charging System Based on Decoupled Four-monopole Receiving Coil" . | Power System Technology 48 . 2 (2024) : 650-657 . |
| APA | Zhang, Yiming , Shen, Zhiwei , Mao, Xingkui , Chen, Kainan , Zhao, Zhengming . Interoperability of Electric Vehicle Wireless Charging System Based on Decoupled Four-monopole Receiving Coil . | Power System Technology , 2024 , 48 (2) , 650-657 . |
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The unipolar, bipolar, and quadrupolar coils used in an electric vehicle wireless charging system are not interoperable with each other. Thus, there would be interoperability issues when the transmitting and receiving coils are not the same. To solve this issue, in this letter, we propose an asymmetrical quadrupolar coil that can be interoperable with the four conventional coils at the same position for efficient wireless power transfer, namely the unipolar coil, the bipolar coil along two perpendicular directions, and the quadrupolar coil. Large coupling coefficients can be achieved for the proposed coil with the four conventional coils when perfectly aligned. The misalignment performance with the four conventional coils is also investigated. An experimental prototype is developed to compare the conventional symmetrical quadrupolar coil with the proposed asymmetrical quadrupolar coil for validation of interoperability. The proposed asymmetrical quadrupolar coil achieves a maximum coupling coefficient of over 0.10 and a maximum dc-dc efficiency of over 85% with the four conventional coils.
Keyword ：
Bipolar Bipolar interoperability interoperability quadrupolar quadrupolar tolerance tolerance unipolar unipolar wireless charging wireless charging wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Yiming , Liu, Chao , Zhou, Mingzhu et al. A Novel Asymmetrical Quadrupolar Coil for Interoperability of Unipolar, Bipolar, and Quadrupolar Coils in Electric Vehicle Wireless Charging Systems [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 , 71 (4) : 4300-4303 . |
| MLA | Zhang, Yiming et al. "A Novel Asymmetrical Quadrupolar Coil for Interoperability of Unipolar, Bipolar, and Quadrupolar Coils in Electric Vehicle Wireless Charging Systems" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 71 . 4 (2024) : 4300-4303 . |
| APA | Zhang, Yiming , Liu, Chao , Zhou, Mingzhu , Mao, Xingkui . A Novel Asymmetrical Quadrupolar Coil for Interoperability of Unipolar, Bipolar, and Quadrupolar Coils in Electric Vehicle Wireless Charging Systems . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 , 71 (4) , 4300-4303 . |
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In an electric vehicle wireless charging system, the dramatic variation of the mutual inductance caused by the coil misalignment is an urgent problem to be solved. An offset-resistant wireless charging system based on dual decoupled receiving coils is proposed, with one receiving coil as the unipolar coil and the other as the quadrupolar coil. With series compensation, they are connected in series through the diode rectifier. In this way, the total equivalent mutual inductance is the summation of the absolute values of the two mutual inductances. Thus, the total equivalent mutual inductance can remain stable against misalignment, guaranteeing a stable system output. Experimental results confirm that the designed system has good misalignment tolerance capability in two perpendicular directions, enabling stable and efficient power transmission. Along the misalignment, the output voltage fluctuation is only 2.81% with the highest system efficiency of 94.68%.
Keyword ：
Dual receivers Dual receivers LCC-S LCC-S misalignment tolerance misalignment tolerance offset-resistant offset-resistant wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Shen, Zhiwei , Zhou, Hangyan , Xie, Ronghuan et al. A Strong Offset-Resistant Electric Vehicle Wireless Charging System Based on Dual Decoupled Receiving Coils [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 , 71 (11) : 15216-15219 . |
| MLA | Shen, Zhiwei et al. "A Strong Offset-Resistant Electric Vehicle Wireless Charging System Based on Dual Decoupled Receiving Coils" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS 71 . 11 (2024) : 15216-15219 . |
| APA | Shen, Zhiwei , Zhou, Hangyan , Xie, Ronghuan , Zhuang, Yizhan , Mao, Xingkui , Zhang, Yiming . A Strong Offset-Resistant Electric Vehicle Wireless Charging System Based on Dual Decoupled Receiving Coils . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 , 71 (11) , 15216-15219 . |
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The rapid development of electric vehicles (EVs) calls for an efficient and convenient charging method. Wireless power transfer (WPT) is favored by the academia and industry because of its convenience, security, and automation. However, there are still many problems to be solved, one of which is the interoperability issue between different coil types. In this article, an EV wireless charging system based on three decoupled non-overlapping unipolar transmitting coils is proposed. The inductor-capacitor-capacitor-series topology is adopted. The current directions of the three transmitting coils can be altered by adjusting the outputs of the three-phase independently controlled half-bridge inverter. In this way, the proposed transmitting coils can be tolerant with the unipolar coil and the two perpendicular bipolar coils, achieving interoperability and certain anti-misalignment capability with different receiving coils. The experimental results verify that the proposed system can achieve interoperability for both unipolar and bipolar coils and has misalignment tolerance in specific directions with a maximum efficiency of 93.67%. IEEE
Keyword ：
Coils Coils Couplers Couplers Couplings Couplings decoupled transmitting coils decoupled transmitting coils Inductive charging Inductive charging interoperability interoperability Interoperability Interoperability LCC-S LCC-S Transportation Transportation Windings Windings wireless charging wireless charging wireless power transfer (WPT) wireless power transfer (WPT)
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| GB/T 7714 | Zhang, Y. , Pan, W. , Liu, C. et al. Interoperability Study of Electric Vehicle Wireless Charging System Based on Three Decoupled Non-overlapping Unipolar Transmitting Coils [J]. | IEEE Transactions on Transportation Electrification , 2024 : 1-1 . |
| MLA | Zhang, Y. et al. "Interoperability Study of Electric Vehicle Wireless Charging System Based on Three Decoupled Non-overlapping Unipolar Transmitting Coils" . | IEEE Transactions on Transportation Electrification (2024) : 1-1 . |
| APA | Zhang, Y. , Pan, W. , Liu, C. , Shen, Z. , Wu, Y. , Zhuang, Y. et al. Interoperability Study of Electric Vehicle Wireless Charging System Based on Three Decoupled Non-overlapping Unipolar Transmitting Coils . | IEEE Transactions on Transportation Electrification , 2024 , 1-1 . |
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针对目前无线电能传输教学实训平台理论教学与实训脱节，使得学生对无线电能传输运行机理的认识不够深入。为激发学生学习兴趣，增强教学效果，以电动汽车无线电能传输为应用背景，对传统无线电能传输系统架构进行设计。基于基波等效法和基尔霍夫电压定律建立无线电能传输的几种典型结构数学模型，分析在谐振状态下不同结构的输出电压、电流、功率以及传输效率等特性。介绍无线电能传输教学实训平台的搭建过程，包括逆变器、整流器、磁耦合结构的设计和利兹线的计算选择等。在教学实训平台验证了几种典型无线电能传输结构的工作特性，使学生增强电力电子实践能力的同时对无线电能传输系统有更深入的认识。
Keyword ：
实验平台搭建 实验平台搭建 恒压恒流结构 恒压恒流结构 无线电能传输 无线电能传输 电动汽车 电动汽车 磁耦合结构 磁耦合结构
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| GB/T 7714 | 张艺明 , 吴元超 , 毛行奎 et al. 基于磁耦合电动汽车无线电能传输教学实训平台研究与实践 [J]. | 实验室研究与探索 , 2024 , 43 (05) : 93-98 . |
| MLA | 张艺明 et al. "基于磁耦合电动汽车无线电能传输教学实训平台研究与实践" . | 实验室研究与探索 43 . 05 (2024) : 93-98 . |
| APA | 张艺明 , 吴元超 , 毛行奎 , 陈孝莺 . 基于磁耦合电动汽车无线电能传输教学实训平台研究与实践 . | 实验室研究与探索 , 2024 , 43 (05) , 93-98 . |
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The inductive power transfer (IPT) system needs to have a stable output even when the coil offset occurs. In this article, a combination of a square coil and a novel cross-shaped solenoid pad with reverse windings is proposed. The former is used to pick up the vertical magnetic flux, and the latter is to receive the horizontal magnetic flux generated in the offset case to compensate for the decrease in the vertical magnetic flux. A dual-channel inductor-capacitor-capacitor-series topology with series connected diode rectifiers is utilized to form two energy transfer channels with opposite misalignment characteristics to achieve a stable output. The proposed magnetic couplers can achieve a smooth mutual inductance fluctuation in both the horizontal X- and Y-directions. The fluctuation of the equivalent total mutual inductance is 4.35% from -210 to 210 mm (52.5% of the pad size) in both directions. An experimental prototype is built to verify the stability of the proposed IPT system. The experimental results show that within the 52.5% offset range of the pad size, the output voltage fluctuates by only 4.52%. A stable output can be obtained when the pad is offset from 90 to 140 mm in the vertical direction and the XOY plane.
Keyword ：
Cross-shaped Cross-shaped dual-channel dual-channel inductive power transfer (IPT) inductive power transfer (IPT) misalignment tolerance misalignment tolerance solenoid solenoid
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| GB/T 7714 | Wang, Hui , Wu, Yuanchao , Shen, Zhiwei et al. High-Misalignment-Tolerant Dual-Channel Inductive Power Transfer System Based on Cross-Shaped Reversed-Winding-Incorporated Solenoid Pad [J]. | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 . |
| MLA | Wang, Hui et al. "High-Misalignment-Tolerant Dual-Channel Inductive Power Transfer System Based on Cross-Shaped Reversed-Winding-Incorporated Solenoid Pad" . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS (2024) . |
| APA | Wang, Hui , Wu, Yuanchao , Shen, Zhiwei , Pan, Wenbin , Chen, Xiaoying , Zhang, Yiming . High-Misalignment-Tolerant Dual-Channel Inductive Power Transfer System Based on Cross-Shaped Reversed-Winding-Incorporated Solenoid Pad . | IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS , 2024 . |
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