To mitigate the contradiction of there is not enough railway for locomotive trial run, a method of using locomotive stationary rolling test rig instead of trial run on railway was put forward and the feasibility and perspective of application were reasoned.

In this paper,the hardware interface circuit design and data acquisition as well as method of processing of software part for display of torque,rotating speed,axle temperature,displacement and speed in the monitoring system on the high speed roller test rig for cars are introduced.