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Machine prognostics based on survival analysis and support vector machine

  • Achmad Widodo
  • Bo-Suk Yang
Conference paper

Abstract

Intelligent machine prognostics system estimates the remaining useful life of machine components. It deals with prediction of machine health condition based on past measured data from condition monitoring (CM). It has benefits to reduce the production downtime, spare-parts inventory, maintenance cost, and safety hazards. Many papers have reported the valuable models and methods of prognostics systems. However, it was rarely found the papers deal with censored data, which was common in machine condition monitoring practice. This work concerns with developing intelligent machine prognostics system using survival analysis (SA) and support vector machine (SVM). Survival analysis utilizes censored and uncensored data collected from condition monitoring routine then estimates the survival probability of failure time of machine components. SVM was trained by data input from CM data that corresponds to target vectors of estimated survival probability. After validation, SVM is addressed to predict survival probability of individual unit of machines. Progressive bearing degradation data were simulated and trained to validate the proposed method. The result shows the proposed method is promising to be a probability-based machine prognostics system.

Keywords

Support Vector Machine Survival Probability Target Vector Machine Component Prognostic System 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  • Achmad Widodo
    • 1
  • Bo-Suk Yang
    • 2
  1. 1.Mechanical Engineering DepartmentDiponegoro UniversityTembalang, SemarangIndonesia
  2. 2.School of Mechanical EngineeringPukyong National UniversityNam-gu, BusanKorea, Republic of

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