Risk Management

TABLE 3

FROM:

A Methodology for Learning from System Failures and its Application to Pc Server Maintenance

Takafumi Nakamura and Kyoichi Kijima

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Table 3. Failure factor structuring methodology (FFSM)

Figure and tables index
  Analysis method Purpose Effects Ability to manage emergent properties
Phase 1 (Structuring)Structured model analysisBird's eye view of entire structure (to clarify factor structure)Prioritizes countermeasures, clarifies causal relationshipstimes
Phase 2 (Grouping)Hayashi's quantification theory type IIIExtraction of factors, grouping of similar problemsIdentifies countermeasures, clarifies directions of counter measurestimes
Phase 3 (Making observations, modifying worldviews)Mapping of factors into maintenance frame (Figure 6)Observation of new maintenance cognition frameDetection of shortcomings in current maintenance systemcircle
Figure and tables index
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