The Review and Prospect on Development of TDJ Retarder and Speed Control Technology in China for 30 Years——Presenting the Colleages in Participating Research,Development,Design and Application for Retarder

This paper reviews the difficulty way of development of hump speed control technology of automation hump and expounds the course on research and development and application of TDJ retarder and speed control technology and discusses birth of TDJ retarder and the achievements of pioneering the enterprise on development of TDJ retarder and speed control technology in Chinese railway for 30 years and proposes some suggestions for carrying out leaping over development of railway and new direction of reclaiming innovation of retarder and speed control technology of China.