汽车节能技术与应用实例

受石油危机的影响,汽车节能工作受到了世界各国的普遍重视。本文首先分析了影响油耗的主要因素,并从发动机节能技术和整车的节能原理与技术方面介绍了汽车节能减排技术,并就发动机节能技术中的稀燃技术和发动机增压技术做了具体的分析与探讨,并举出实例。     

电动汽车的新动力

技术专家们正在绞尽脑汁用各种各样方法让电池更新换代,一场电子设备的革命正悄悄来临。在不远的将来,可乐或许就可以帮助汽车行驶几百公里的路程。     

华晨汽车：新能源浇铸新希望

10月26日,在美丽的大连星海广场上,在数千名大连市民的见证下,辽宁省经信委主任李兵与华晨集团党组书记谭成旭,将象征着绿色、低碳生活的新能源出租车钥匙分别交给了大连市交运集团董事长李继军和大连市出租车公司董事长张伟廉。     

电动车的有效节能方案——再生制动

介绍了再生制动在节能方面的突出作用,通过理论分析和数据对比,阐述了再生制动控制方法及应用特点,总结了再生制动的发展过程。     

Advanced hybrid energy storage system for mild hybrid electric vehicles

Hybrid electric vehicles (HEV) utilize electric power and a mechanical engine for propulsion; therefore, the performance of HEVs is directly influenced by the characteristics of the energy storage system (ESS). The ESS for an HEV generally requires high power performance, long cycle life, reliability and cost effectiveness; thus, a hybrid energy storage system (HESS) that combines different types of storage devices has been considered to fulfill both performance and cost requirements. To improve the operating efficiency and cycle life of a HESS, an advanced dynamic control regime in which pertinent storage devices in the HESS can be selectively operated based on their status is presented. Verification tests were performed to confirm the degree of improvement in energy efficiency. In this paper, an advanced HESS with a battery management system (BMS) that includes an optimal switching control function based on the estimated state of charge (SOC) is presented and verified.     

New energy recovery H∞ robust controller for electric bicycles

The electric controller is one of the most crucial components in an electric bicycle. The overall performance of the whole system heavily depends on the properties of the controller. The authors use the robust control theory to design a new H_∞ robust controller for the closed speed-current dual-loop driving and braking system. The designed controller also incorporates the driving and energy recovery braking circuit. Therefore, it has energy recovery ability, which coverts the kinetic energy wasted in braking into electric energy to recharge the battery. This prolongs the driving distance per battery charge. The simulations and experiments show that the new H_∞ robust controller out-performs the traditional PID controller in many respects including stability, error, responding speed and driving distance per battery charge.     

电动转向油泵单元在新能源客车上的应用

介绍了电动转向油泵单元的组成及特点,重点阐述了电动转向油泵单元的选型及在新能源客车上的应用,并测量了电动转向油泵单元的噪声,为后续优化设计提供了依据。     

世博会与汽车

自1851年伦敦举办首届世博会之后,世博会就成为全球展示各种技术创新的平台.当时伦敦世博会的交通馆里,还没有汽车,而各种工艺精良、装饰豪华的马车却自成高格.其实此前汽车早已问世,1769年法国人卡格诺就发明了第一辆蒸气汽车,随后"火车之父"特拉维斯科、美国人伊万斯、斯坦利孪生兄弟也创造过蒸气汽车的辉煌,但公路上的蒸气机终于没像用于工厂、铁路和轮船上那样取得成功.     

开动脑筋搞节能 客运公司效益增——新疆生产建设兵团奎屯旅客运输公司

兵团奎屯旅客运输公司,是新疆兵团交通行业中一家规模较大的客运企业,拥有各类型客车85辆。2007年世界石油价格不断上涨,我国的石油产品价格随着一路飙升,造成客运车辆一时间成本增加。面对如此局面,怎样合理、高效地节约能源,是保证企业稳定发展的重要途径。     

汽车改装及前景

汽车改装最早源自汽车赛车运动,几乎所有的改装方式和改装部件都在赛车运动中通过不断的测试、改进,并经过长时间的试用,在解决了安全、稳定、合理、经济等方面的问题后才向大众推广。根据car2100权威定义,汽车改装(Car modification)是指根据汽车车主需要,将汽车制造厂家生产的原形车进行外部造型、内部造型以及机械性能的改动,主要包括车身改装和动力改装两种。一辆车的改装效果代表了车主的品位以及他对驾驶的看法。一般来说,改装可以分为外观、机械、音响等几个方面,当我们进入一个新时代时,汽车改装也增加了一项新内容:ECU智能。不过在众多改装项目中,最令人心动的还是机械改装,它把车主的想象力和汽车有待开发的无穷潜力完美地结合在了一起。这如果有任何一项作了修改,马上会感受到汽车本身受到的影响与改变。相信通过分析会更加了解改装的魅力所在。