The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
[volume title in Japanese]
Session ID : S1410105
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Unsupervised Learning for Cutting State Recognition using Spindle Motor Current
Masaaki MAEDAYuichi SAKURAI
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Abstract

This report describes the development of high-precision equipment state identification technology can be mounted easily to existing facilities. The purpose is a state estimation of machine tools in high-mix low-volume factory. Achieve the objectives, we propose technique a clustering of the feature by unsupervised learning, and a labeling scheme based on prior knowledge. Attempt several clustering technique, it found that spectral clustering is suitable to use a graph based on the similarity between samples. Also, we developed a labeling scheme based on prior knowledge, the accuracy rate of the operating state estimation has achieved 94% in the general-purpose lathe, 96.3% in the drilling machine.

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© 2016 The Japan Society of Mechanical Engineers
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