The power system of electric vehicle ( ev ) mainly includes power battery pack , driving system and transmission 摘要电动汽车动力系统主要包括动力电池、驱动系统和变速系统。
The system can be applied in minicar or economic car . kinetic , power flow and transmission efficiency are analyzed 接着论文对变速系统进行了动力学和传动效率的分析，从理论上证明了系统的可行性。
Spindle and circular knife force use cvt system and frequency conversion system , may do high and low adjusting speed and positive & negative switching control to achieve best cutting quality 主轴与圆刀动力使用无级变速系统和变频系统，可做高低调速及正反转切换控制，达到最佳载切质量。
With a team of proficient engineers , mpcl is able to provide consulting and installation services for all types of high voltage substations as well as variable speed motor drive systems 拥有一支专业工程师的队伍，明电太平洋有能力为所有高压电器安装及马达变速系统提供顾问及安装服务。
Spindle and circular knife force use cvt system and frequency conversion system , may do high and low adjusting speed and positive & negative switching control to achieve best cutting quality 主轴动力（布料）使用无级变速系统，可做高低调速及正反转切换控制，刀片不带调速，布料转速匹配好即可达到最佳裁切质量。
It has become a trend to design and develop an automatic transmission system with high intelligence , and vehicular intelligent shift turns into the orientation on which gearshift technique will develop 设计与开发智能化程度较高的自动变速系统成为当前车辆自动变速的发展趋势，智能换档已成为汽车变速技术的发展方向。
Lin chiu - feng , tseng chyuan - yow , tsai chien - hsiung , “ residual travelbility prediction for electrical vehicle ” , 18th chinese mechanical engineering association conference , taipei , 2001 林秋丰、曾全佑， ?机车无段变速系统动态模型之建立? ，中国机械工程师学会第十九届全国学术研讨会，虎尾技术学院，云林，十二月， 2002 。
The results of simulation show that the fuzzy control strategy in this paper is effective and feasible with good practicability . in add ition , electronic control unit of the pscvt system is designed 仿真结果表明，装有功率分流式汽车无级变速系统的汽车的燃油经济性明显优于传统的手动变速档汽车，模糊控制策略是可行和有效的。
A radically different scheme known as continuously variable transmission ( cvt ) has lurked in the background for 50 years , however , and has recently made inroads in small and midsize cars and in hybrid vehicles 另有一种截然不同的设计，称为无段自动变速系统（ cvt ） ， 50年来一直鲜少被注意，最近开始出现在中小型汽车和混合动力车辆上。
The difference between the fcev and the icev is that the powertrain of fcev is composed of motor , fuel cell and battery , which replace the internal combustion engine and transmission in icev 燃料电池电动车与传统内燃机汽车的区别在于，其电机驱动及变速系统、燃料电池系统以及蓄电池系统构成的动力传输系统替代了内燃机汽车的发动机和传动装置。
