A New Spindle Current Regulation Algorithm for the CNC End Milling Process |
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| Authors: | M-Y Yang T-M Lee J-G Choi |
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| Affiliation: | (1) Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Yusong-gu Taejon, Korea, KR |
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| Abstract: | The static and dynamic characteristics of the CNC end milling process were investigated to develop an ACC (adaptive control
constraints) system for regulating spindle current. These characteristics were used to develop a new spindle current regulation
algorithm composed of both adjustable proportional feedback control (adjustable P control) and fine control. For adjustable
P control, a model of the entire plant was developed as a first-order system with time delay. Fine control was used to reduce
the steady state error due to P control. The consequently developed spindle current regulation algorithm with a few appropriate
parameters showed good global stability and applicability. |
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| Keywords: | : Adaptive control constraints (ACC) Adjustable proportional feedback control CNC end milling Spindle current regulation |
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