这是一本很难下载到得《列车牵引计算规程》，在电力牵引和电车动力行业应用，适合于研究列车的人员下载。-This is a very difficult to download to get a point of order, in the electric traction and the tram power industrial applications, suitable for research train personnel to download.

采煤机截割滚筒模型，主要包括负载和截割转速牵引速度的关系-Shearer cutting drums of models, including the relationship between the load and speed of the cutting speed traction

电力牵引直接转矩控制DTC的介绍文献，内含圆型磁链传统滞环，ISC，以及部分改进型定子磁链模型搭建介绍，比较具有代表性。-Electric Traction Control DTC direct torque introduced documents containing the conventional circular flux hysteresis, ISC, and some improved stator flux model to build reports, compared wi