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2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)最新文献

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Dynamic characteristics optimization control method for Buck-IPT system Buck-IPT系统动态特性优化控制方法
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959417
Chunsen Tang, Zhenbo Gu, Hao Shen, Yachao Li, Zhengwei Xu
{"title":"Dynamic characteristics optimization control method for Buck-IPT system","authors":"Chunsen Tang, Zhenbo Gu, Hao Shen, Yachao Li, Zhengwei Xu","doi":"10.1109/WOW.2017.7959417","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959417","url":null,"abstract":"Buck-IPT system is composed of a front power regulation buck circuit and a behind inductive power transfer circuit (IPT), which is higher-order, multi-operating-mode, compound nonlinear system. Aiming at dynamic problems such as large inductor current and slow response in the start-up progress, this paper proposes a dynamic characteristic optimization control method. Firstly, this paper proposes a reduced second-order time-varying model considering the inverter's equivalent load characteristic. And then, Based on this model, a sliding-mode control using the exponential reaching law is applied to optimize the start-up process of the Buck-IPT system. Finally, the simulation and experiment results have verified that the proposed method can realize good dynamic performance with fast response, limited-current of front inductor, no overshoot of front capacitor voltage.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115381763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Topology and parameter optimization design for magnetic resonance wireless power transfer system 磁共振无线电力传输系统拓扑与参数优化设计
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959376
Yanling Li, Qichang Duan, Yongcan Huang
{"title":"Topology and parameter optimization design for magnetic resonance wireless power transfer system","authors":"Yanling Li, Qichang Duan, Yongcan Huang","doi":"10.1109/WOW.2017.7959376","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959376","url":null,"abstract":"Magnetic resonance Wireless Power Transfer (WPT) Technology can realize energy transfer across relatively large air gap and get more and more applications in recent years. However, it's difficult to get an optimization design for this system due to its high system order and complex resonance structure. This paper proposes a novel optimization design method using automatic topology comparison and parameters optimization. This method can select not only optimization parameters but also optimization topology to meet multi-objective performance requirements. Experimental results verify this optimization method.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131299563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Design of unit cell for metamaterials applied in a wireless power transfer system 应用于无线电力传输系统的超材料单体电池设计
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959382
Yayun Dong, Wenwen Li, Xijun Yang, C. Yao, Houjun Tang
{"title":"Design of unit cell for metamaterials applied in a wireless power transfer system","authors":"Yayun Dong, Wenwen Li, Xijun Yang, C. Yao, Houjun Tang","doi":"10.1109/WOW.2017.7959382","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959382","url":null,"abstract":"Magnetic superlens is a homogeneous and isotropic solid planar slab with negative permeability (usually −1) and can be applied in a wireless power transfer system to enhance the power transfer efficiency. Metamaterials with negative permeability could be achieved by split-ring resonators (SRRs). To be applied in wireless power transfer systems, the metamaterials need to be low loss, low cost, compact and capable of high power, so we usually use a variant of SRRs — plane spirals printed on PCB board as a metamaterial unit cell. The plane spirals can reduce the size of the unit cell relative to the wavelength because it introduces much more capacitance than SRRs. In this paper, we propose a guideline to design the unit cell for the magnetic superlens. We demonstrate how the parameters of the unit cell affect its effective permeability and how the effective permeability of the metamaterial slab affects its performance in a wireless power transfer system.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133397256","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 11
A method of resonant frequency optimized selection for a SP inductive coupled power transfer system SP电感耦合功率传输系统谐振频率优化选择方法
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959393
Fan Zhu, Yunyu Tang, Pengju Cao, Hao Ma
{"title":"A method of resonant frequency optimized selection for a SP inductive coupled power transfer system","authors":"Fan Zhu, Yunyu Tang, Pengju Cao, Hao Ma","doi":"10.1109/WOW.2017.7959393","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959393","url":null,"abstract":"Inductive coupled power transfer (ICPT) is an emerging technology that may create new applications for wireless power charging. However, low efficiency is one of the main obstructing factors for promoting this technology. In this paper, a method of resonant frequency optimization based on resonant current calculation at the secondary side of the system is proposed to achieve higher efficiency. In order to research the influences of resonant frequency on system efficiency, the resonant current of the secondary side circuit is calculated, from which the phase shift angle between resonant current and voltage, and the conduction angle of diodes of rectifier can be obtained. Furthermore, a set of simulations are performed to find the optimized resonant frequency relationship between output power and the resonant current amplitude, because the copper loss and core loss of a loosely coupled transformer are all positively associated with resonant current. Finally, a 1.6 kW ICPT system is built and tested to verify the effectiveness of the proposed system. The results prove that the optimized resonant frequency can achieve a system efficiency of 92.5%, when that of a conventional system with a resonant frequency equal to the working frequency is 92%.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127609669","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
A coil structure applied in WPT system for reducing eddy loss 一种用于WPT系统中减少涡流损耗的线圈结构
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959394
Kehan Zhang, Youyou Duan, Zhengbiao Zhu, Luona Du, Xin Ren
{"title":"A coil structure applied in WPT system for reducing eddy loss","authors":"Kehan Zhang, Youyou Duan, Zhengbiao Zhu, Luona Du, Xin Ren","doi":"10.1109/WOW.2017.7959394","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959394","url":null,"abstract":"Seawater submerged wireless power transfer systems inevitably suffer some energy loss as a consequence of eddy loss. Here we present a coil structure utilizing two transmitter coils placed symmetrically adjacent to each side of the receiver coil. This coil arrangement, termed a 1×1×1 structure, yields improved power transfer efficiency. The eddy loss from the 1×1×1 structure is reduced to half of that from a comparable 1×1, one transmitter and one receiver coil, structure. The experimental results show that the power transfer efficiency from transmitter to receiver side was improved about 10%.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116542144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Electromagnetic interaction between multiple inductive power transfer systems 多个感应电力传输系统之间的电磁相互作用
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959401
V. Nguyen, Seung-Duck Yu, S. Yim, Kijun Park
{"title":"Electromagnetic interaction between multiple inductive power transfer systems","authors":"V. Nguyen, Seung-Duck Yu, S. Yim, Kijun Park","doi":"10.1109/WOW.2017.7959401","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959401","url":null,"abstract":"This paper analyzes and simulates the electromagnetic interaction between multiple inductive power transfer (IPT) systems for electric vehicle charging applications. A simple car model is built up in 3D Maxwell simulation to reduce simulation time and calculate leakage magnetic field between two cars. The impact of phase difference between two IPT systems is investigated. Passive shielding methods are used to reduce the leakage field in space between two cars.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123514436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Misalignment tolerance improvement in wireless power transfer using LCC compensation topology 利用LCC补偿拓扑改善无线电力传输中的误差容差
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959411
Guodong Zhu, Dawei Gao, Shuo Wang, Shuai Chen
{"title":"Misalignment tolerance improvement in wireless power transfer using LCC compensation topology","authors":"Guodong Zhu, Dawei Gao, Shuo Wang, Shuai Chen","doi":"10.1109/WOW.2017.7959411","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959411","url":null,"abstract":"Misalignment between the transmitter coil and the receiver coil would in some cases lead to significant power and efficiency decline in a wireless power transfer system. This paper implements the LCC compensation topology to improve the horizontal misalignment tolerance under a certain load condition. The reason for the efficiency decline under misalignment is firstly analyzed based on the equivalent circuit model. Then the principle of the LCC compensation topology is briefly introduced and it is compared with the SS topology in terms of misalignment susceptibility and power transfer capability under different load conditions. An LCC compensated wireless power transfer system capable of achieving 92.8% DC-to-load efficiency was established. Using the LCC compensation topology, the horizontal high efficiency region has been extended to 40% of the coil size when the load resistance is 60 Ω, achieving 30% improvement compared to the SS compensation topology.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130168276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Dynamic phaser modeling of inductive power transfer system and its state feedback design 感应式输电系统的动态相位建模及其状态反馈设计
2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2017-05-01 DOI: 10.1109/WOW.2017.7959410
Yue Sun, Wei Tao, Jinfeng Xia, Huan Zhang
{"title":"Dynamic phaser modeling of inductive power transfer system and its state feedback design","authors":"Yue Sun, Wei Tao, Jinfeng Xia, Huan Zhang","doi":"10.1109/WOW.2017.7959410","DOIUrl":"https://doi.org/10.1109/WOW.2017.7959410","url":null,"abstract":"Inductive Power Transfer (IPT) system makes use of high frequency inverter and resonant compensation network to transmit power without any electric contact, which makes power transfer more convenient and safer. IPT system is a high order and nonlinear system, modeling and analysis of such a system is complicated because its state variables like inductor currents and capacitor voltages present rapid oscillation characteristics. Dynamic phasor modeling method is originated from the idea that maps the time variant state variables to stationary frame for each frequency of interest. The original AC variables can be approximated with a limited number of Fourier series, thus the derived system model can be simplified and linearized through state feedback, and then be used for close loop controller design and dynamic response analysis.","PeriodicalId":242505,"journal":{"name":"2017 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129490092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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