汽车动力系统发展与节能技术

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摘 要：本文通过介绍汽车动力系统的发展，总结目前主要的动力系统以及动力系统的节能技术。包括发动机，混合动力汽车，电动汽车和燃料电池。着重以实际商用车为例，对各种动力系统进行说明。介绍了发动机的电控喷射技术、可变进气系统、柴油发动机电控共轨喷射技术。混合动力系统的构成形式。以及纯电动汽车的优劣。

关键词：汽车动力系统 混合动力 电动汽车

Development and Energy Saving Technology of Automobile Power System

Liu Zhixiang

Abstract：This paper summarizes the current main power systems and energy-saving technologies of power systems by introducing the development of automotive power systems， including engines， hybrid vehicles， electric vehicles and fuel cells. Focusing on the actual commercial vehicle as an example， various power systems are explained. The electronically controlled injection technology of the engine， the variable air intake system， and the electronically controlled common rail injection technology of the diesel engine are introduced. The form of the hybrid system， and the advantages and disadvantages of pure electric vehicles are introduced.

Key words：vehicle powertrain， hybrid power， electric vehicle

汽车不仅带来了巨大的经济效益，推动了社会发展，也产生了大量的尾气排放与空气污染。（剩余4979字）