6. “Aging” Units and Systems of “Aging” Units

  1. Igor Ushakov

Published Online: 7 AUG 2012

DOI: 10.1002/9781118370742.ch6

Probabilistic Reliability Models

Probabilistic Reliability Models

How to Cite

Ushakov, I. (2012) “Aging” Units and Systems of “Aging” Units, in Probabilistic Reliability Models, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118370742.ch6

Publication History

  1. Published Online: 7 AUG 2012
  2. Published Print: 7 SEP 2012

ISBN Information

Print ISBN: 9781118341834

Online ISBN: 9781118370742



  • “Aging” Units and systems of “Aging” units;
  • reliability theory, and aging units;
  • exponential/degenerate distribution, boundary ones for IFR;
  • bounds for probability of failure-free operations;
  • lower/upper bound of PFFO for series system, and MTTF


This chapter contains sections titled:

  • Chebyshev Bound

  • “Aging” Unit

  • Bounds for Probability of Failure-Free Operations

  • Series System Consisting of “Aging” Units

  • Series System

  • Parallel System

  • Bounds for the Coefficient of Operational Availability

  • Brief Historical Overview and Related Sources