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A Multiple Model Prediction Algorithm for CNC Machine Wear PHM

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Author(s): Huimin Chen

Journal: International Journal of Prognostics and Health Management
ISSN 2153-2648

Volume: 2;
Issue: 2;
Start page: 27;
Date: 2011;
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Keywords: multiple model fusion | PHM data challenge

ABSTRACT
The 2010 PHM data challenge focuses on the remaining useful life (RUL) estimation for cutters of a high speed CNC milling machine using measurements from dynamometer, accelerometer, and acoustic emission sensors. We present a multiple model approach for wear depth estimation of milling machine cutters using the provided data. The feature selection, initial wear estimation and multiple model fusion components of the proposed algorithm are explained in details and compared with several alternative methods using the training data. The final submission ranked #2 among professional and student participants and the method is applicable to other data driven PHM problems.
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