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标题:A hybrid system-level prognostics approach with online RUL forecasting for electronics-rich systems with unknown degradation behaviors
时间:2020-10-18 16:40:25
DOI:10.1016/j.microrel.2020.113676
大小:3495 kb
页数:11 PAGES
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目录:
  • A hybrid system-level prognostics approach with online RUL forecasting for electronics-rich systems with unknown degradation behaviors
    • Introduction
    • Problem statement
    • DC-DC converter case study
      • Boost converter modeling
    • Failure mechanisms of power electronic devices
      • Causes of electronics-system failure
      • Accelerated aging experiments
      • Failure mechanisms and fault precursors of IGBTs ​&​ MOSFETs
      • Failure mechanisms and fault precursors of ECaps
      • Failure mechanisms methodologies
      • Empirical failure identification of power electronic devices
        • Empirical lifetime modeling for MOSFETs
        • Empirical lifetime modeling for ECaps
    • Proposed PHM approach
      • Degradation estimation using adaptive joint extended Kalman filter
      • PHM architecture
        • Level 1: system modeling and features extraction
        • Level 2: parameter estimation and health monitoring
        • Level 3: RUL forecasting
    • Simulation results
      • DC-DC converter parameters estimation during capacitor degradation
      • DC-DC converter parameters estimation during MOSFET degradation
      • Online RUL forecasting
    • Conclusion
    • Declaration of competing interests
    • CRediT authorship contribution statement
    • Acknowledgement
    • References

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