This thesis mainly aims at analyzing the common causes of gearbox failure or malfunction,it also discusses the common approaches in determining auto gearbox break down and overhaul.

This paper reported the domestic and foreign research development status of the dynamometers to inspect the integrated performance of automotive automatic transmission and analyzed the big difference of the research level and the price between the domestic and the foreign ones.

This paper described the design of training items for testing and fixing automotive automatic transmission and the development of training plan, and it indicates that the research and development of the training equipments can fill in the gap of training items which is one of the development orientations for higher vocational colleges.

Processing of auto hand-gear shift system operation performance data;

A new type of planetary gear auto transmission for motor cycles;

Auto transmission of automotive is so complicated that many students feel it hard to study its parts such as planetary gearing mechanism,and they can t understand the shift of Auto transmission of automotive.

A new type of planetary gear system for vehicle auto transmission is studied and set forth.

Diagnosis and Detection Based on Pump Faults of Automatic Transmission;

Diagnosis and Detection Based on General Faults of Automatic Transmission;

Research and design of the hardware in the loop test-rig for automatic transmission of FUKANG cars;