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Reliability of Mission-Based Systems with Markovian Mission and Deterioration

Reliability of Mission-Based Systems with Markovian Mission and Deterioration. Bora Çekyay P ost-Doctoral Research Fellow McGill University Desautels Faculty of Management. Contents. Reliability under no repair policy (Markovian deterioration) System reliability Mission reliability

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Reliability of Mission-Based Systems with Markovian Mission and Deterioration

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  1. Reliability of Mission-Based Systems with Markovian Mission and Deterioration Bora Çekyay Post-Doctoral Research Fellow McGill University Desautels Faculty of Management

  2. Contents • Reliability under no repair policy (Markovian deterioration) • System reliability • Mission reliability • Phase reliability • MTTF • Availability

  3. Aim • A system which is designed to perform a mission with different phases is called a phased mission system or a mission-based system. Our Purpose: Define and develop reliability measures for mission-based systems. Mission-Based System: • The sequence and durations of the phases can be deterministic or random • All failure properties of the components change according to the phases

  4. Tools and Repair Policies • No repair: After completing a phase, the worn system continue to work without replacement or maintenance. • Mission process: Markov process • Aging model: Discrete (Markovian) aging • Single unit system • Or we treat the system as a single unit

  5. No Repair, Discrete Aging (Single Unit)

  6. Discrete Aging

  7. Discrete Aging (Example)

  8. System Reliability

  9. System Reliability (Discrete)

  10. System Reliability (Discrete)

  11. Mission Reliability (Discrete)

  12. Phase Reliability

  13. Phase Reliability and MTTF (Discrete)

  14. repair repair (1,M) (3,M) (1,0) (3,0) (1,0) Availability

  15. Thanks?? Questions ??Comment

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