随着运输业竞争的加剧和商用车电子化的快速发展,应用在牵引车(主车)和挂车上的电子控制系统广受业界关注。近年来,电子控制的制动系统和悬架系统的引入,顺应了社会发展的要求。本文对应用于挂车的电子控制制动系统(EBS)和空气悬架电子高度控制模块(ELM)的原理、安装和应用进行简单介绍。 With the intensified competition in the transportation industry and the rapid development of the commercialization of electronic commercial vehicles, electronic control systems applied to tractor (main vehicle) and trailer are widely concerned by the industry. In recent years, the introduction of electronically controlled brake system and suspension system has conformed to the requirements of social development. This article gives a brief introduction to the principle, installation and application of electronic control brake system (EBS) and air suspension electronic height control module (ELM) for trailer.