With efforts to reduce the cost, size, and thermal management systems for the power electronics drivetrain in hybrid electric vehicles (HEVs) and plug-in hybrid electric vehicles (PHEVs), wide band gap semiconductors including silicon carbide (SiC) have been identified as possibly being a partial solution. Research on SiC power electronics has shown their higher efficiency compared to Si power electronics due to significantly lower conduction and switching losses. This paper focuses on the development of a high power module based on SiC JFETs and Schottky diodes. Characterization of a single device, a module developed using the same device, and finally an inverter built using the modules is presented. When tested at moderate load levels compared to the inverter rating, an efficiency of 98.2was achieved by the initial prototype.

关键词：混合动力电动汽车；半导体设备；电子设备；逆变器

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This report covers the present scenario and the growth prospects of the Global Variable CamTiming market for the period 2014-2018. The report considers the revenue generated from the sales of cam phasing and variable valve actuation. The report presents the vendor landscape and corresponding detailed analysis of the top four vendors in the Global Variable Cam Timing market. In addition, it discusses the major drivers that influence the growth of the market. It also outlines the challenges faced by vendors and the market at large, as well as key trends emerging in the market.

关键词：可变凸轮；VVT；电子技术；机械系统

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This paper proposes a charging algorithm which is based on the Estimation of Distribution Algorithm (EDA) for Plug in Hybrid Electric Vehicle (PHEV).The proposed algorithm shifts the peak of power supply,satisfies the requested State of Charge (SoC [％]),and minimizes the charging cost.The proposed algorithm uses flexible weight for charging and upper charging limit to each PHEV to minimize the charge amount in peak time.The simulation result shows that the proposed algorithm shifts the peak of power supply in commute time zones,satisfies SoC of 93％ PHEVs,and reduces charging cost by 31％ compared with conventional EDA algorithm.

关键词：混合动力汽车;智能电网;分配算法估计

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关键词：时间同步;锁相环系统;钟表;同步性

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Vehicle power train plays an important role to develop the energy efficient and reduce fuel consumption.In this paper,the drive train fuzzy controller structure and the fuzzy logic control strategies of parallel hybrid vehicles is presented.Simulation results illustrate the potential of the proposed controller and control strategy in terms of fuel economy and in keeping the deviations of SOC at a low level.

关键词：混合动力电动汽车动力传动系统；模糊控制器的结构；模糊逻辑控制策略

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关键词：混合; Petri网; FSPN;状态空间爆炸

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关键词：燃油税；新能源汽车；创新研发

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Understanding the diverse PHEV purchase behaviors among prospective new car buyers is key for designing efficient and effective policies for promoting new energy vehicle technologies. The ORNL MA3T model developed for the U.S. Department of Energy is described and used to project PHEV purchase probabilities by different consumers. MA3T disaggregates the U.S. household vehicle market into 1458 consumer segments based on region, residential area, driver type, technology attitude, home charging availability and work charging availability and is calibrated to the EIA's Annual Energy Outlook. Simulation results from MA3T are used to identify the more likely PHEV buyers and provide explanations. It is observed that consumers who have home charging, drive more frequently and live in urban area are more likely to buy a PHEV. Early adopters are projected to be more likely PHEV buyers in the early market, but the PHEV purchase probability by the late majority consumer can increase over time when PHEV gradually becomes a familiar product.

关键词：混合动力电动汽车；燃料电池；汽车；消费

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The structural weight reduction of a pressurized Hybrid Wing-Body (HWB) fuselage is a serious challenge. Hence, research and development are presently being continued at NASA under the Environmentally Responsible Aviation (ERA) and Subsonic Fixed Wing.

关键词：机身机翼结构；结构设计；固定机翼；复合材料结构

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关键词：混合动力电动车；催化剂；冷启动时；控制系统

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