Influence of electric grid voltage fluctuation on main motor drive system for four-high medium plate mill and its solution are introduced.

For better and quicker design of the main drive system of machine tool, a software for the computer_aided design of main drive systen of machine tool was compiled for using the microcomputer.

Design and application of active disturbance rejection controller for main drive system of rolling mill;

Modeling and control of the nonlinear coupling vibration over the motor-driven system;

A new graphical method based on the tangential obliquity criterion is proposed by using fundamentals of analytical geometry for distinguishing the stability of mechatronic transmission system.