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The main control mode and fuzzy control strategy of CNC system for gear hobbing and grinding machine

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3 Author(s)
Xiao BenXian ; Ind. Autom. Inst., Hefei Univ. of Technol., China ; Xia Mao ; Zhao ChangMing

The paper introduces the structure, features and functions for the CNC system of the YK3480 gear hobbing-machine and YKA7232 worm wheel gear grinding-machine, as well as some of the key techniques. The system can run with 5-coordination controls and 4-coordinated motions. In order to ensure the static accuracy and dynamic performance, a fuzzy rough-accurate regulating combined control strategy for the high-speed and high-accuracy position servo system is presented. A forward control network is also introduced for reducing corner rounding errors. Practical results show that by using the closed-loop fuzzy control the resolution and accuracy achieved by the servo system were equal to those of the measuring devices, and the system operated stably and no runaway occurred

Published in:

Industrial Technology, 1996. (ICIT '96), Proceedings of The IEEE International Conference on

Date of Conference:

2-6 Dec 1996