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2021 IEEE Transportation Electrification Conference & Expo (ITEC)最新文献

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The Effectiveness of Charge Limiting and Partial Charge Limiting 电荷限制和部分电荷限制的有效性
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490088
Evan Chen
{"title":"The Effectiveness of Charge Limiting and Partial Charge Limiting","authors":"Evan Chen","doi":"10.1109/ITEC51675.2021.9490088","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490088","url":null,"abstract":"The lithium-ion battery is a smartphone component with a relatively short lifespan and is becoming increasingly non-replaceable. Various charging methods can be used to extend the lifespan of lithium-ion batteries. Different charging methods were applied to groups of smartphones programmed to charge and discharge in patterns similar to a typical use case of the smartphone, simulating conventional battery use. The capacity of these batteries were periodically measured, allowing for comparison in degradation between charging methods. Partial charge limiting was found to have a slight benefit in reducing battery degradation, but was vastly outperformed by full charge limiting.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134090778","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: 0
Six-Phase Non-Rare Earth Spoke Interior Permanent Magnet Traction Motor With Concentrated Windings 带集中绕组的六相非稀土轮辐内永磁牵引电动机
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490058
Zhiwei Zhang
{"title":"Six-Phase Non-Rare Earth Spoke Interior Permanent Magnet Traction Motor With Concentrated Windings","authors":"Zhiwei Zhang","doi":"10.1109/ITEC51675.2021.9490058","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490058","url":null,"abstract":"Conventional interior permanent magnet machines (PM) have been dominant in traction applications due to their high power density, high efficiency, and wide constant power speed range. The interior permanent magnet machines typically use high-strength rare-earth magnets to contribute high torque density. However, the rare-earth magnets have several challenges over the past few years. Both academia and industry have paid much more attention to develop an alternative to reduce or eliminate the use of rare-earth magnets. Ferrite magnets do not include any type of rare-earth materials. The combination of spoke-type rotor design and ferrite magnets provides a solution to eliminate rare-earth magnets since the air-gap flux density can be improved by the flux concentrated effect of the spoke-type design. On the other hand, high reliability is also an important requirement for the next-generation traction drive of electric vehicles. This paper will provide the design, analysis, and performance comparison of a six-phase non-rare earth spoke interior permanent magnet traction motor with concentrated windings configuration.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133495370","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: 0
Online Non-Parametric Auto-Tuning of Flux Weakening Controller for IPMSM Drives using Modified Relay Feedback Test 基于改进继电器反馈测试的IPMSM磁链弱化控制器在线非参数自整定
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490113
Wesam Taha, A. Emadi
{"title":"Online Non-Parametric Auto-Tuning of Flux Weakening Controller for IPMSM Drives using Modified Relay Feedback Test","authors":"Wesam Taha, A. Emadi","doi":"10.1109/ITEC51675.2021.9490113","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490113","url":null,"abstract":"This paper proposes a non-parametric auto-tuning methodology for flux weakening (FW) controller tuning, with specifications on phase margin of the voltage regulation (VR) FW control loop, using the modified relay feedback test (MRFT). Unlike proposed small-signal models in the literature that utilize linearized plant models, the MRFT can be carried out online on the drive system to deduce PI parameters without a prior knowledge of machine parameters. This is particularly important since machine parameters, such as stator resistance and inductances, can deviate when operated at higher temperatures. Furthermore, the VR-FW loop exhibit a varying static gain that must be accounted for when operating the machine in deep FW region. Simulation results demonstrates a superior and robust drive performance in deep FW region when compared to adaptive FW control based on machine parameters.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132103085","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
Gearshift Schedule of P2 Hybrid Powertrain during Regenerative Braking Process P2混合动力系统再生制动过程换挡计划
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490109
Sihao Wu, P. Dong, Jiadong Sheng, Xiaodong Li, Kaifeng Wang, Shuhan Wang, X. Xu
{"title":"Gearshift Schedule of P2 Hybrid Powertrain during Regenerative Braking Process","authors":"Sihao Wu, P. Dong, Jiadong Sheng, Xiaodong Li, Kaifeng Wang, Shuhan Wang, X. Xu","doi":"10.1109/ITEC51675.2021.9490109","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490109","url":null,"abstract":"The gearshift schedule of P2 hybrid powertrain can effectively affect the fuel and electricity consumption of the hybrid electric vehicle. An optimal gearshift schedule during the regenerative braking process could significantly increase the energy recovery rate. In this paper, a comprehensive braking force distribution strategy and mechanism of shifting point selection during regenerative braking for P2 hybrid powertrain are proposed. Moreover, the economical gearshift schedule and the off-line gearshift map are also constructed. At last, the braking efficiency of the economical gearshift schedule has been carried out under two braking conditions, and the results show that the economical gearshift schedule can increase SOC value by 23.2%-50.54% under small and medium braking pedal.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127866078","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: 0
Control and Loss Analysis of a Solid State Transformer Based DC Extreme Fast Charger 基于固态变压器的直流极快充电器的控制与损耗分析
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490062
Garry Jean-Pierre, S. Beheshtaein, N. Altin, A. Nasiri
{"title":"Control and Loss Analysis of a Solid State Transformer Based DC Extreme Fast Charger","authors":"Garry Jean-Pierre, S. Beheshtaein, N. Altin, A. Nasiri","doi":"10.1109/ITEC51675.2021.9490062","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490062","url":null,"abstract":"The increasing demand for electric vehicles, due to advantages such as higher energy efficiency, lower fuel costs, and less vehicle maintenance, is expected to drive the need for electric vehicle charging infrastructure. Due to their reduced size and weight, high power and scalable compact solid state transformers (SST) are growing in popularity. This study presents the total loss analysis and control design for a direct grid connected single-phase SST for a fast charging station. A control strategy to achieve robust current control, DC voltage and power balancing, and power loss minimization (PLM) is implemented for this system. Detailed analyses and simulation results obtained from MATLAB/Simulink are given to prove the effectiveness of the proposed control techniques.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131417022","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: 5
AC-AC Matrix Converter Using Lookup-Based PWM for Inductive Power Transfer Systems 电感功率传输系统中基于查找的PWM的交流-交流矩阵变换器
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490136
H. Jafari, Temitayo O. Olowu, Maryam Mahmoudi, A. Sarwat
{"title":"AC-AC Matrix Converter Using Lookup-Based PWM for Inductive Power Transfer Systems","authors":"H. Jafari, Temitayo O. Olowu, Maryam Mahmoudi, A. Sarwat","doi":"10.1109/ITEC51675.2021.9490136","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490136","url":null,"abstract":"This paper proposes a lookup-based Pulse Width Modulation (PWM) for high frequency AC-AC converters. Compared to conventional carrier-based PWM methods, the proposed technique has reduced computational complexity, and causes lower harmonic distortion on grid line current. The proposed switching technique unlike conventional carrier-based method is comprised of two predetermined switching states, which prevents unnecessary as well as unpredicted switching states such as shoot-through. The proposed AC-AC Matrix converter can be interfaced between main low-frequency AC supply and high-frequency inductive power transfer (IPT) systems to enable power transfer. For validation purpose, an $10kW$ IPT case study is used, and the results clearly verified the simplicity as well as the performance of the proposed converter in regulating the power transfer rate around the user-defined power transfer levels.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123520347","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
Power-to-Gas Systems for Active Load Management at EV Charging Sites with High DER Penetration 高DER渗透电动汽车充电点主动负荷管理的电转气系统
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490110
R. Jain, Kazunori Nagasawa, Santosh Veda
{"title":"Power-to-Gas Systems for Active Load Management at EV Charging Sites with High DER Penetration","authors":"R. Jain, Kazunori Nagasawa, Santosh Veda","doi":"10.1109/ITEC51675.2021.9490110","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490110","url":null,"abstract":"Intermittent renewable systems and increasing electric vehicle (EV) penetrations increase load intermittency—and will require expensive distribution system infrastructure upgrades. Power-to-gas (P2G) systems are highly controllable loads that can be modulated to regulate the net load behind the meter. In this work, we present an active load management approach using P2G systems to regulate the net load for an EV charging station with high penetrations of renewable generation. The system also validates the feasibility of the proposed approach using a 750-kW electrolyzer operated with the distribution system in a real-time power-hardware-in-the-loop test. Finally, we evaluate the impact of the size of the P2G system on its ability to regulate the net load.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129492543","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: 0
A Novel Nonisolated Multi-port Bidirectional DC-DC Converter With High Voltage Gain for Fuel Cell Hybrid System 一种用于燃料电池混合动力系统的高电压增益非隔离多口双向DC-DC变换器
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490105
Yuhui Ma, Y. Huangfu, Liangcai Xu, Hao Bai, F. Gao
{"title":"A Novel Nonisolated Multi-port Bidirectional DC-DC Converter With High Voltage Gain for Fuel Cell Hybrid System","authors":"Yuhui Ma, Y. Huangfu, Liangcai Xu, Hao Bai, F. Gao","doi":"10.1109/ITEC51675.2021.9490105","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490105","url":null,"abstract":"In this paper, a novel multi-port bidirectional DC-DC converter with high voltage gain for fuel cell hybrid system is proposed. The proposed converter integrates a fuel cell power supply port, an energy storage unit port, and a load port, which can realize energy conversion between any two of them. This means that it has a high level of integration and can achieve the energy management of the hybrid system. Meanwhile, the switched-capacitor unit enables the converter to have the advantages of high voltage gain and low voltage stress. According to the relationship between power sources and load, five different operating modes can be defined. Then, the circuit structure and operating principle of the different modes are analyzed. Finally, simulation verifications are given to illustrate the effectiveness and feasibility of the proposed converter.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"260 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129811034","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
Deployment Optimization of Dynamic Wireless Chargers for Electric Vehicles 电动汽车动态无线充电器的部署优化
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490185
Ahmed O. el Meligy, Eiman ElGhanam, Mohamed S. Hassan, A. Osman
{"title":"Deployment Optimization of Dynamic Wireless Chargers for Electric Vehicles","authors":"Ahmed O. el Meligy, Eiman ElGhanam, Mohamed S. Hassan, A. Osman","doi":"10.1109/ITEC51675.2021.9490185","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490185","url":null,"abstract":"The pursuit of lower vehicle emissions has allowed the market share of electric vehicles (EVs) to rapidly increase, which has motivated researchers to develop several charging techniques, aiming to minimize the charging downtime and reduce the range anxiety of EV drivers. Of those techniques, dynamic wireless charging (DWC) has gained significant traction due to the substantial amount of work that has been done in wireless charging. However, with DWC, some unforeseen challenges have risen. These include identifying the optimum locations of those DWCs with the objective of maximizing the system efficiency while minimizing the system cost by minimizing the required lengths of charging lanes. This paper focuses on formulating the deployment optimization problem to find the optimum locations, along with the optimum length of DWC lanes at each location, by utilizing traffic simulations and non-linear optimization methods, aiming to maximize the total energy transfer of the system while meeting a given budget.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127275738","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: 8
Modular Design of Receiver Side Power Electronics for 200 kW High Power Dynamic Wireless Charging System 200kw大功率动态无线充电系统接收机侧电力电子模块设计
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490095
Lingxiao Xue, V. Galigekere, E. Gurpinar, G. Su, O. Onar
{"title":"Modular Design of Receiver Side Power Electronics for 200 kW High Power Dynamic Wireless Charging System","authors":"Lingxiao Xue, V. Galigekere, E. Gurpinar, G. Su, O. Onar","doi":"10.1109/ITEC51675.2021.9490095","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490095","url":null,"abstract":"Dynamic wireless power transfer (DWPT) can provide energy to EVs in motion and extend the drive range. By upscaling the charging power to 200 kW (High Power DWPT), the percentage of electrified roadway reduces and the solution becomes cost-effective. However, coil coupling-coefficient variation during vehicle movement fluctuates the transferred power which is unfavorable for vehicle battery. Secondary regulation design can smooth the power but the converter design becomes very challenging due to requirement in high power, high efficiency, fast control, as well as high power density since the unit will be onboard. This paper provides the modular design approach of a 200 kW secondary side unit to achieve high performance and scalability. The DC/DC converter using SiC devices demonstrated 98.3% efficiency.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132426362","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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