Development in Hydraulic Drive Technology

Hydraulic drive and control has been widely applied to electronics,computer technology,information technology,automatic control as well as new process and new materials.In fact,it has become an indispensable technology for machine building industry,engineering construction machine and advanced technology in national defense.The author proposes that its development should be aimed at in the direction of automatic,accuracy,high speed and power,light and small in size so as to upgrade its competence in competing with electrical and mechanical drive.