Chapter 13

Field Data Collection and Feedback


This chapter stresses the need for failure data collection as an essential input to all the reliability modelling and growth techniques dealt with in the book. The desirability of recoding actual times to failure is emphasised and explained. Some formats and items for recording are given. Caution is emphasised in the case of vendor failure rate claims. Anecdotal data is encouraged.


Times to failure

13.1. Reasons for Data Collection

Failure data can be collected from prototype and production models or from the field. In either case a formal failure-reporting document is necessary in order to ensure that the feedback is both consistent and adequate. Field ...

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