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

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High Efficiency Bidirectional LLC Converter for Solar-Charged Electric Vehicles 用于太阳能充电电动汽车的高效双向LLC变换器
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490144
Pengfei Zheng, J. Bauman
{"title":"High Efficiency Bidirectional LLC Converter for Solar-Charged Electric Vehicles","authors":"Pengfei Zheng, J. Bauman","doi":"10.1109/ITEC51675.2021.9490144","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490144","url":null,"abstract":"Recent interest in electric vehicles with on-board solar generation presents a new opportunity for using solar electric vehicles (SEVs) for distributed generation when the traction battery is fully charged. This presents a new power electronic challenge: the on-board charger should have high efficiency in the grid-to-vehicle direction for normal charging power levels (i.e., 6.6 kW) and also high efficiency in the vehicle-to-grid direction for much lower solar power levels (i.e., <800 W). However, typical on-board charger topologies have low efficiency at light loads. This paper proposes a novel bidirectional LLC converter to address this challenge. PLECS simulation results show that the proposed converter is 1–7% more efficient than the traditional dual bridge converter at low loads for vehicle-to-grid power flow.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"18 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":"126984436","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
Energy Consumption Uncertainty Model For Battery-Electric Buses in Transit 纯电动公交车在运能量消耗不确定性模型
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490103
Hatem Abdelaty, M. Mohamed
{"title":"Energy Consumption Uncertainty Model For Battery-Electric Buses in Transit","authors":"Hatem Abdelaty, M. Mohamed","doi":"10.1109/ITEC51675.2021.9490103","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490103","url":null,"abstract":"This study develops a Deep Learning Neural Network (DLNN) model to predict the consumed energy (EC) of Battery Electric Buses (BEBs) based on bus, route, driver aggressiveness, and environmental parameters. An ADVISOR simulation tool is utilized to estimate EC for 10,800 operation scenarios resulted from a fractional-factorial design. The scenarios are used in a DLNN model with a goodness-of-fit of 0.993. The results show that road gradient sharply increases the EC, while driver aggressiveness parameters considerably affect the EC. The outcomes provide a substantial indication for the operation of BEBs transit networks concerning the consumed energy.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"15 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":"131779494","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
Cost analysis in different battery pack architectures considering protection, monitoring, and diagnostics 考虑保护、监控和诊断的不同电池组架构的成本分析
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490170
Y. Cheng, Francesco Porpora, M. D’Arpino, G. Rizzoni
{"title":"Cost analysis in different battery pack architectures considering protection, monitoring, and diagnostics","authors":"Y. Cheng, Francesco Porpora, M. D’Arpino, G. Rizzoni","doi":"10.1109/ITEC51675.2021.9490170","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490170","url":null,"abstract":"The automotive, aerospace, and electric power systems industry make increasing use of complex energy storage systems that are comprised of large number of cells connected in various electrical configurations. After defining the cell technology and size in terms of voltage and capacity, the objective of the battery pack design includes the definition of cell arrangement, sensing topology and position, fault diagnostic capability, cooling system, and electronic hardware. These design parameters may change with different battery pack architectures. On the premise of ensuring the availability and reliability of a battery system, minimizing the cost is also one of the important design missions. This paper analyzes the property of different battery pack architectures and studies the current distribution among the cells due to parameter variation, which determines the types, amount and unit cost of devices needed for the purpose of protection, monitoring and diagnostics. Finally, a comparative cost analysis of devices between different battery pack architectures as the size of the battery pack varies is presented.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"6 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":"132683515","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 and Analysis of Stator Cooling Channels for an Axial-Flux Permanent Magnet Machine 轴向磁通永磁电机定子冷却通道设计与分析
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490083
Samantha Jones-Jackson, R. Rodriguez, Ehab Sayed, C. Goldstein, Christopher Mak, A. Callegaro, Mikhail Goykhman, A. Emadi
{"title":"Design and Analysis of Stator Cooling Channels for an Axial-Flux Permanent Magnet Machine","authors":"Samantha Jones-Jackson, R. Rodriguez, Ehab Sayed, C. Goldstein, Christopher Mak, A. Callegaro, Mikhail Goykhman, A. Emadi","doi":"10.1109/ITEC51675.2021.9490083","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490083","url":null,"abstract":"Axial-flux permanent magnet (AFPM) machines are preferred for applications with space limitations due to their high power and torque densities. However, these higher densities lead to increased temperatures due to the higher output power, which results in more losses, in a smaller volume. Reducing the thermal resistance between the heat generating components and the cooling system improves the thermal performance of the machine. This work compares the effectiveness of different cooling designs that are integrated into the stator potting. The heat generated in the stator that needs to be rejected is produced from the copper, core, and bearing losses. The effect of various design parameters on the maximum winding temperature and the pressure drop, if applicable, are also investigated. It was found that the stator potting material has the largest impact on the coil temperature, with a reduction of 17°C seen by improving the thermal conductivity of the material.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"8 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":"129389837","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
A Non-isolated Onboard Charger for Electric Vehicle 一种电动汽车非隔离车载充电器
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490193
Utsav Sharma, Bhim Singh
{"title":"A Non-isolated Onboard Charger for Electric Vehicle","authors":"Utsav Sharma, Bhim Singh","doi":"10.1109/ITEC51675.2021.9490193","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490193","url":null,"abstract":"A non-isolated onboard charger (OBC) using the interleaved bidirectional buck/boost converter is presented in this work. The bidirectional operation of the charger enhances the serviceability of light electric vehicles (LEVs). During the peak load time, it gives the power to the grid. Moreover, it behaves as the power backup source for the home loads, i.e., vehicle to home operation (V2H). The proposed OBC operates to deliver 1kW power. The interleaved operation is implemented to lessen the ripples from the battery current.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"22 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":"115767395","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
Parasitic Parameter Analysis of High Frequency Transformer for Series Resonant Converter with Experimental Validation 串联谐振变换器高频变压器寄生参数分析及实验验证
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490135
Temitayo O. Olowu, H. Jafari, Italo Peirano, Maryam Mahmoudi, A. Sarwat
{"title":"Parasitic Parameter Analysis of High Frequency Transformer for Series Resonant Converter with Experimental Validation","authors":"Temitayo O. Olowu, H. Jafari, Italo Peirano, Maryam Mahmoudi, A. Sarwat","doi":"10.1109/ITEC51675.2021.9490135","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490135","url":null,"abstract":"High frequency transformers provide galvanic isolation between the primary and secondary sides of power electronic converters. The parasitic parameters of the HFT affects the converter control parameters especially its resonant frequency (for resonant converters). Most HFT design and optimization methods in literature often ignore the parasitic capacitance during optimization. This paper investigates the impact of the parasitic capacitance and the electromagnetic parameters of two already optimally designed 20kW, 10kHz, 208/208V HFTs (with different design parameters and power densities) used in a DC-DC series resonant converter. An FEA-based simulation of the electrostatic and electromagnetic parameters of the HFTs and experimental measurements are presented. The effects of the parasitic capacitance on series resonant converter's resonant frequency is investigated. The simulation and experimental results show that for series resonant converters, the parasitic capacitance severely affects their resonant frequency values. This effect need to be taken into account during the design and optimization of the HFTs.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"1 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":"122434550","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
Position Sensor Harmonics Influence on Highly Integrated Field Oriented Controlled PMSM Drive Torque Output 位置传感器谐波对高集成度磁场定向控制PMSM驱动转矩输出的影响
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490171
S. Kuruppu
{"title":"Position Sensor Harmonics Influence on Highly Integrated Field Oriented Controlled PMSM Drive Torque Output","authors":"S. Kuruppu","doi":"10.1109/ITEC51675.2021.9490171","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490171","url":null,"abstract":"Position sensor signal in field orientation based permanent magnet synchronous machine control is a crucial signal for optimal control (average torque and torque ripple). With the unprecedented level of integration of the machine, and drive, numerous factors influence the harmonic content of the position signal. This paper outlines a preliminary discussion on the influence of these harmonics and presents the position harmonic relationship to output torque ripple through analysis, simulation and experimental data. Further, the effect of control system parameters that influence the behavior of harmonic propagation is also discussed. Controller bandwidth, harmonic order and motor speed are among the major factors that influence the output torque ripple due to position harmonics.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"201 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":"122577750","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
Fault-Tolerant Control of Three-Phase Bidirectional Current-Fed Dual Active Bridge DC-DC Converter 三相双向电流馈电双有源桥式DC-DC变换器的容错控制
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490140
T. Le, Minh‐Khai Nguyen, Caisheng Wang, Sewan Choi
{"title":"Fault-Tolerant Control of Three-Phase Bidirectional Current-Fed Dual Active Bridge DC-DC Converter","authors":"T. Le, Minh‐Khai Nguyen, Caisheng Wang, Sewan Choi","doi":"10.1109/ITEC51675.2021.9490140","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490140","url":null,"abstract":"Fault-tolerant methods have been recognized for improving the reliability of multi-phase bidirectional DC-DC converters, including current-fed and voltage-fed dual active bridge converters. Fault-tolerant research for voltage-fed dual active bridge converters has caught much attention recently. However, few fault-tolerant methods for current-fed dual active bridge (CF-DAB) converter have been developed because it becomes more challenging due to the asymmetrical structure between primary and secondary sides. In this paper, a new fault-tolerant CF-DAB converter with blocking capacitors is proposed. The operation of the converter when an open-circuit fault occurs in different fault scenarios of the CF-DAB converter is comprehensively analyzed. A frozen phase fault-tolerant method with additional blocking capacitors on both sides of the transformer is proposed. The aim of the use of blocking capacitors is to block the DC current component of the filter inductor from passing through the transformer, which could otherwise result in the saturation of the transformer. Also, the DC blocking capacitors help isolate the faulty phase when the frozen-phase fault-tolerant method is applied.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"18 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":"124726273","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
Control Strategy of Electric Propulsion System to Improve Ship Dynamics 改善船舶动力的电力推进系统控制策略
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490151
Sanggi Ko, Jong-Seop Yun, S. Sul, Shin-Won Kang, W. Park, Sanghoon Kim
{"title":"Control Strategy of Electric Propulsion System to Improve Ship Dynamics","authors":"Sanggi Ko, Jong-Seop Yun, S. Sul, Shin-Won Kang, W. Park, Sanghoon Kim","doi":"10.1109/ITEC51675.2021.9490151","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490151","url":null,"abstract":"In this paper, a strategy for controlling a powertrain of the electric propulsion ships is proposed. The proposed control strategy enables rapid acceleration and deceleration of the vessel by actively limiting output torque reflecting limitations of the components in the powertrain. The propulsion motor's output power and its rate are both controlled to satisfy the limits of each component, including gear and propeller. The effectiveness of the proposed method has been verified based on the extensive computer simulations of the powertrain of a target ship and a small-scaled experiment. As a result of a simulation, an acceleration time of a 2300-ton class electric propulsion ship has been reduced from 308 seconds to 142 seconds.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"46 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":"128380794","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
Probabilistic Electric Vehicle Charging Demand Forecast Based on Deep Learning and Machine Theory of Mind 基于深度学习和机器心智理论的电动汽车充电需求概率预测
2021 IEEE Transportation Electrification Conference & Expo (ITEC) Pub Date : 2021-06-21 DOI: 10.1109/ITEC51675.2021.9490147
Tianyu Hu, Kailong Liu, Huimin Ma
{"title":"Probabilistic Electric Vehicle Charging Demand Forecast Based on Deep Learning and Machine Theory of Mind","authors":"Tianyu Hu, Kailong Liu, Huimin Ma","doi":"10.1109/ITEC51675.2021.9490147","DOIUrl":"https://doi.org/10.1109/ITEC51675.2021.9490147","url":null,"abstract":"Electric Vehicles (EVs) and corresponding charging stations have been widely popularized, increasing the power grid's operational risk and pressure, especially for the distribution network. Accurate EV charging demand forecast can potentially benefit the market through real-time robust scheduling. This paper proposes a deep-learning-based method for short-term probabilistic EV charging demand prognostics, which forecasts the quantiles of future charging demand of a charging station 5 minutes ahead. Plug-in EVs' charging behavior mainly depends on two crucial factors: (1) the user's living habits, which usually take a week as a cycle and can be extracted from the historical charging behaviors; (2) The user's stochastic behavior at the current timestamp, reflecting the short-term trend of charging demand variation, which is the difficulty of the short-term charging demand forecast. The proposed model has taken both the above historical charging habits (regularities) and the current trend of charging demand variation into consideration based on the paradigm of the Machine Theory of Mind (MToM), and two case studies on real EV charging demand datasets have verified its superiority over state-of-the-arts.","PeriodicalId":339989,"journal":{"name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","volume":"26 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":"126188714","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: 9
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