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Development of a bi-directional off-board level-3 quick charging station for electric bus 电动客车双向车载三级快速充电站的研制
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243500
Xiaomin Lu, K. Iyer, K. Mukherjee, N. Kar
{"title":"Development of a bi-directional off-board level-3 quick charging station for electric bus","authors":"Xiaomin Lu, K. Iyer, K. Mukherjee, N. Kar","doi":"10.1109/ITEC.2012.6243500","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243500","url":null,"abstract":"Quick charging of an electric bus calls for advanced research and development on quick and safe battery charging technologies with vehicle-to-grid and grid-to-vehicle integration capability. The integration of many buses with high power transfer requirement in a short span of time, would leave a huge stress on the power utility if the power quality is poor. This paper proposes an improved high-performance bi-directional off-board level-3 quick charging station based on vector control technique adopted for electrical machines, for fast and efficient charging of electric bus. The proposed off-board battery charging station can be scaled down for small electric vehicles also. This paper aims to provide a comprehensive understanding of the developed charger at the design stage prior to its implementation and prototyping stages. A detailed description on the design of the developed charger is provided and the performance of the bi-directional charger is elicited through numerical investigations.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126021524","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
Sensitivity analysis of vehicle performance to transmission parameters in parallel HEVs with dynamic programming optimization 基于动态规划优化的并联混合动力汽车性能对变速器参数的敏感性分析
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243448
L. Lai, M. Ehsani
{"title":"Sensitivity analysis of vehicle performance to transmission parameters in parallel HEVs with dynamic programming optimization","authors":"L. Lai, M. Ehsani","doi":"10.1109/ITEC.2012.6243448","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243448","url":null,"abstract":"It is well known that hybrid electric vehicles (HEVs) have fewer requirements to transmission due to the favorable performance of electric motor for traction. However, multi-gear transmission with more gears is still beneficial in improving acceleration and fuel economy performance of the vehicles than one with fewer gears, even not as much as in conventional vehicles. On the other hand, use of multi-gear transmission with more gears inevitably adds complexity to vehicle structure and control, consequently resulting in high cost. In this paper, the sensitivity of vehicle performance to transmission gears for a parallel HEV has been analyzed by using SOC based Dynamic Programming. The results generated in this paper provide helpful guidance for HEV design.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126767602","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
Design of a dual half bridge DC-DC converter for an ultra-capacitor based auxiliary power source in electric vehicles 基于超级电容的电动汽车辅助电源双半桥DC-DC变换器设计
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243490
Shenghui Cui, D. He, Mingxuan Li, Haifeng Lu, T. Habetler
{"title":"Design of a dual half bridge DC-DC converter for an ultra-capacitor based auxiliary power source in electric vehicles","authors":"Shenghui Cui, D. He, Mingxuan Li, Haifeng Lu, T. Habetler","doi":"10.1109/ITEC.2012.6243490","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243490","url":null,"abstract":"This paper proposed a dual half bridge (DHB) DC-DC converter used for ultra-capacitor power management in electric vehicles. Different from conventional DHB converters, a PWM plus phase shift (PPS) control strategy is introduced here due to the variable voltage operation mandates of an ultra-capacitor. This novel combination will be discussed from following two aspects in this paper. In the theory level, a minute operation principle analysis of this PPS based DHB converter is presented, and so is the principle of ZVS. In the industry implementation level, firstly an optimal rated phase shift angle selection strategy is introduced to reduce conduction losses and device current ratings. Then, to extend the ZVS range, the method to decide input DC inductance is proposed. Finally, an adjustment rules for dead band time is also discussed to avoid negative effect of dead band and a detailed mechanism of a re-resonance phenomenon in dead band transient is analyzed. A 9-21V/240W hardware prototype is built up to prove validity of this work.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124146469","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
Accelerated simulation of ultracapacitors using waveform relaxation method 用波形松弛法加速模拟超级电容器
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243443
F. Cingoz, H. Behjati, A. Davoudi
{"title":"Accelerated simulation of ultracapacitors using waveform relaxation method","authors":"F. Cingoz, H. Behjati, A. Davoudi","doi":"10.1109/ITEC.2012.6243443","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243443","url":null,"abstract":"Waveform-relaxation method is applied to ultracapacitor transmission line model to reduce the simulation time. Circuit partitioning, time windowing, and scheduling algorithms are developed and integrated in the waveform relaxation method to further accelerate the simulation. The transient response of the state variables of the transmission line model are simulated using the conventional method and developed model. The results show that the waveform relaxation method significantly decreases the simulation time while preserving the model accuracy.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121888659","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
Energetic impedances: Application to large signal stability analysis of DC power systems 能量阻抗:在直流电力系统大信号稳定性分析中的应用
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243482
A. Awan, J. Martin, B. Nahid-Mobarakeh, S. Pierfederici
{"title":"Energetic impedances: Application to large signal stability analysis of DC power systems","authors":"A. Awan, J. Martin, B. Nahid-Mobarakeh, S. Pierfederici","doi":"10.1109/ITEC.2012.6243482","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243482","url":null,"abstract":"A new method using energetic dynamic specifications, is proposed in this paper to study the stability of a cascaded electric system. To apply this method, a new modeling based on energetic variables, is introduced. Contrary to classical approach for which voltages and currents are the state variables, we propose to use electrostatic energies and powers as state variables. We will prove that with this approach the stability study, under some conditions, is few dependent of the operating point. Thus, the stability of large scale distributed system can be simplified if all the components of the system verify such properties. The proposed approach is verified with help of simulation results and experimental validation.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122827580","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
A joint model and SOC estimation method for lithium battery based on the sigma point KF 基于西格玛点KF的锂电池荷电状态联合模型及估计方法
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243505
Zhiwei He, Yuanyuan Liu, Mingyu Gao, Caisheng Wang
{"title":"A joint model and SOC estimation method for lithium battery based on the sigma point KF","authors":"Zhiwei He, Yuanyuan Liu, Mingyu Gao, Caisheng Wang","doi":"10.1109/ITEC.2012.6243505","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243505","url":null,"abstract":"Lithium-ion batteries have been widely used in electric vehicles (EV). The working state of the battery is very important to the safety of an EV. Online estimation of the state of charge (SOC) is essential in obtaining the battery working conditions. In order to achieve an accurate estimation of the SOC, the battery model should be adjustable when the battery is aged. A joint battery model and SOC estimation method based on the sigma point kalman filter (SPKF) is presented. A combined battery model is used to depict the relationship between the open circuit voltage (OCV) and the SOC of the battery. The main battery model parameter for estimation is the internal resistance and it is jointly estimated with the SOC online. Experimental results show that the SPKF based joint estimation method is effective.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126464604","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: 16
A simple control scheme for active power filtering in ultracapacitor assisted plug-in hybrid electric vehicles 超级电容辅助插电式混合动力汽车有源滤波的简单控制方案
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243509
S. Dusmez, B. Bilgin, A. Khaligh, M. Krishnamurthy
{"title":"A simple control scheme for active power filtering in ultracapacitor assisted plug-in hybrid electric vehicles","authors":"S. Dusmez, B. Bilgin, A. Khaligh, M. Krishnamurthy","doi":"10.1109/ITEC.2012.6243509","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243509","url":null,"abstract":"Ultracapacitors (UCs) are promising energy storage devices that can enhance fuel economy and performance of electric vehicles (EVs) and plug-in electric vehicles (PHEVs) by means of assisting primary energy source in peak power demands and capturing regenerative braking energy. This manuscript introduces another merit of UCs which is utilizing the UC as an active power filter in PHEV charging process. With the proposed simple control scheme, UC ensures constant battery charging current where unity power factor operation is provided by AC/DC charger. As a result, the DC/DC power stage in conventional charger structure is eliminated. The analyses show that battery current ripple less than 4%, total harmonic distortion (THD) less than 1.5% and power factor (PF) higher than 0.996 can be achieved with the proposed power electronic structure and active filtering control scheme.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130480772","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
High power multilevel inverter with unity PF front-end rectifier 大功率多电平逆变器与统一PF前端整流器
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243459
A. I. Maswood, O. H. P. Gabriel, M. Rahman
{"title":"High power multilevel inverter with unity PF front-end rectifier","authors":"A. I. Maswood, O. H. P. Gabriel, M. Rahman","doi":"10.1109/ITEC.2012.6243459","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243459","url":null,"abstract":"To achieve high efficiency of the power drive, a novel low cost and light weight front-end diode rectifier with bidirectional power switch is implemented to achieve unity power factor and low current harmonic distortion. The multilevel inverter is controlled to synthesis numbers of output voltages level, which results in low voltages harmonic distortion, low voltage stress and high power capability. Furthermore, several pulse-width modulation strategies (PWM) for rear-end multilevel inverter is further investigated in this work. Proposed rear-end multilevel inverter offers better efficiency and quality on the AC output terminal without any bulky and expensive LC filter. To confirm the converter performance, obtained results are presented all of which confirm the predicted converter waveforms.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130504015","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: 10
A study on the effects of motion in inductively coupled vehicular charging applications 感应耦合车辆充电应用中运动影响的研究
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243467
M. McDonough, B. Fahimi
{"title":"A study on the effects of motion in inductively coupled vehicular charging applications","authors":"M. McDonough, B. Fahimi","doi":"10.1109/ITEC.2012.6243467","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243467","url":null,"abstract":"Plug-in Hybrid Electric Vehicles (PHEV) and Electric Vehicles (EV) are gaining popularity due to political, environmental, and economical reasons. Research is being done to charge these alternatively fueled vehicles by means of Inductively Coupled Power Transfer (ICPT). In this paper, the authors study the effects of motion on inductively coupled systems. It is concluded that motion has very little effect in the form of induced voltage on the system.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134324729","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: 3
Reduced-parts three-phase inverters: A comparative study 简化三相逆变器的比较研究
2012 IEEE Transportation Electrification Conference and Expo (ITEC) Pub Date : 2012-06-18 DOI: 10.1109/ITEC.2012.6243455
Haizhong Ye, B. Bilgin, A. Emadi
{"title":"Reduced-parts three-phase inverters: A comparative study","authors":"Haizhong Ye, B. Bilgin, A. Emadi","doi":"10.1109/ITEC.2012.6243455","DOIUrl":"https://doi.org/10.1109/ITEC.2012.6243455","url":null,"abstract":"In this paper, potential applications of the reduced-parts three-phase inverters in hybrid electric vehicles (HEVs) are analyzed based on the review and comparative study of the existing reduced-parts inverters. Two categories of inverters are considered: the reduced switch count inverters and the reduced capacitance inverters. The comparative results show that the existing reduced switch count inverters face challenges in terms of cost and power efficiency in HEV applications. Reduced capacitance inverters have the potential to reduce the cost and improve the power density of the traction inverters considerably.","PeriodicalId":278740,"journal":{"name":"2012 IEEE Transportation Electrification Conference and Expo (ITEC)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2012-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134336315","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
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