Title :
Modeling and design of servo system of CNC machine tools
Author :
Zheng, Jinxing ; Zhang, Mingjun ; Meng, Qingxin
Author_Institution :
Dept. of Mech. & Electr. Eng., Harbin Eng. Univ.
Abstract :
Accurate modeling of the feed drives´ dynamics is an crucial step in designing a high performance CNC system. This paper presented a comprehensive dynamic model of CNC feed drive system. The friction model was established analyzing the nonlinear characters of machine tool movement. And a trapezoidal velocity control algorithm was presented due to friction dependence of velocity. As verification of the controller, tracking and contouring simulation were implemented
Keywords :
computerised numerical control; friction; machine tools; servomechanisms; velocity control; CNC machine tools; dynamic model; feed drive system; friction model; servo system; trapezoidal velocity control; AC motors; Computer numerical control; DC motors; Feeds; Friction; Machine tools; Nonlinear dynamical systems; Servomechanisms; Servomotors; Torque; Contour error; Nnonlinear characters; PID control; Servo system modeling; Velocity generation profile;
Conference_Titel :
Mechatronics and Automation, Proceedings of the 2006 IEEE International Conference on
Conference_Location :
Luoyang, Henan
Print_ISBN :
1-4244-0465-7
Electronic_ISBN :
1-4244-0466-5
DOI :
10.1109/ICMA.2006.257555
