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ProgMachina: Feature Extraction and processing package for Prognostic Studies
* 1 , 2, 3 , 4
1  University of Batna 2, Laboratory of Automation and Manufacturing Engineering, 05000 Batna; Algeria
2  Institut de Recherche Dupuy de Lôme (UMR CNRS 6027), University of Brest, 29238 Brest, France
3  Logistics Engineering College, Shanghai Maritime University, Shanghai 201306, China
4  University of Tunis, National Higher School of Engineers of Tunis, Laboratory of Signal Image and Energy Mastery (SIME), 5 Av. Taha Hussein, 1008 Tunis, Tunisia
Academic Editor: Stefano Mariani

Abstract:

Prognostic studies of industrial systems essentially focus on health deterioration analysis that has recently been oriented toward data analytics and learning systems. In general, real degradation phenomena suffer from complex drifted data in which degradation patterns are hidden and change over time. Accordingly, such a process requires a well-structured processing and extraction mechanism to reveal such patterns, which facilitates the transition to other model reconstruction and investigation tasks. In this context, to provide additional simplicity of data processing in the field, a complete software package is designed and grouped into a single function that is fully automated and does not require human intervention. The package named ProgMachina (i.e., prognostic machine) provides a featured list of processed features from a life cycle that passed through denoising, filtering, outlier removal, and scaling process to ensure data significance in terms of degradation. The package allows using a time window with a specific overlap to ensure that the scanning process of all possible degradation patterns is properly done. Additionally, an exponential function is used to identify a corresponding health index of degraded signals. Data visualization and many previous experiments on machines show the effectiveness of such a methodology in terms of obtained prediction accuracy. The package is designed with a MATLAB library and made available online to be exploited in similar fields

Keywords: degradation; feature extraction; health index; machine learning; prognostics and health management; remaining useful life
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