本文简要回顾了国产电牵引采煤机的发展历史 ,对其工况监测及故障诊断水平和现状进行了分析、比较和总结。重点介绍“九五”国家科技攻关项目“电牵引采煤机工况监测及故障诊断系统”。以及该系统的整体结构、数据监测单元、显示单元、通讯单元以及监测与故障诊断中心等 ;列表汇总了其工况监测参数 ;简要说明了其故障诊断功能及实现方法 ,并预测了国产电牵引采煤机工况监测及故障技术的发展前景 This article briefly reviews the history of the development of the domestic electric haulage shearer, analyzes and compares and summarizes the status and status of its condition monitoring and fault diagnosis. Focus on the “Ninth Five-Year” national science and technology project “Electric traction shearer condition monitoring and fault diagnosis system.” As well as the overall structure of the system, data monitoring unit, display unit, communication unit and monitoring and fault diagnosis center; list of its condition monitoring parameters are summarized; brief description of its fault diagnosis and implementation methods, and predict the domestic electric traction Prospect of Shearer Condition Monitoring and Fault Technology