Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21
Online ISSN : 2424-3086
ISSN-L : 2424-3086
2013.7
Session ID : D003
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D003 Development of Sensor-less Wear Monitoring Method by Means of Servo Information Based on Disturbance Observer Theory
Ryo KOIKEYasuhiro KAKINUMATojiro AOYAMAKohei OHNISHI
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Abstract
Although machining operation monitoring may significantly enhance manufacturing performance, industries remain hesitant to implement complex external sensor systems. We previously proposed a sensor-less method for monitoring the tool condition based on disturbance observer theory, but the applicability of this theory to tool wear monitoring has not yet been proven. The present paper advances and applies disturbance observer theory to tool wear monitoring during drilling. The experimental results showed the feasibility of determining wear-induced increases in the cutting load. Future research will involve extending the wear monitoring approach to other manufacturing processes.
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© 2013 The Japan Society of Mechanical Engineers
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