Tools of reliability Analysis

Tools of reliability AnalysisTOOLS OF RELIABILITY ANALYSIS -- Introduction and FMEAs

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NASA Lewis Research Centerr1

RELIABILITY ANALYSIS PROCEDURES
INDUCTIVE PROCEDURES (Bottom-Up Analysis) DEDUCTIVE PROCEDURES (Top-Down Analysis)
Pick Upper Level Failure in Component

Summarize upward

Flow down causes

Determine Failure Modes of Lower Level Components.

RELIABILITY ANALYSIS PROCEDURES
INDUCTIVE METHODS HARDWARE FAILURES HUMAN INTERACTION ERRORS HUMAN FACTORS ANALYSIS DEDUCTIVE METHODS HARDWARE AND HUMAN ERRORS

FAULT TREE ANALYSIS (FTA)

EVENT TREE ANALYSIS (ETA)

PROBABILISTIC RISK ASSESSMENT RELIABILITY ANALYSIS FAILURE MODE AND EFFECTS ANALYSIS (FMEA) CRITICAL ITEMS LIST (CIL)

FAILURE MODE AND EFFECT ANALYSIS

(09 con’t)
NASA Lewis Research Centerr1

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DEFINITION
A methodology to analyze and discove