According to the factual working conditions of measuring cars for overhead contact line equipment, the dynamics characteristics of vibration of the measuring car bodies are analyzed.

The system for recording technical parameters of the contact network test coach ofthe electrified railways by monitoring the dynamic bow and displaying the position and datainformations has been developed．The subtitle and image have been composed in real-time inthis system.

A lane and preceding vehicle detection and overtake system based on the monocular vision is designed for intelligent vehicle in structural two-lane road environment,which can work in both sunny and cloudy days.

This paper has introduced the software and hardware structure and operation principle of the distributed automobile inspection control and administration system, especially the main controller mode and stage machine mode.

Design and realization of an automobile tester based on virtual instrument

In order to improve real time and reliability of transferring data for automobile testing equipment,we propose a method using the unattached CAN bus controller SJA 1000 and embedded controller as the controller of each unit of automobile testing system.

An automobile test controlling and managing system with computer network is introduced.

New method for automatic road rut detection;