Reliability Specification

The first step in the reliability engineering process is to specify the required reliability that the equipment/system must be designed to achieve. The essential elements of a reliability specification are:

  1. a quantitative statement of the reliability requirement.
  2. a full description of the environment in which the equipment/system will be stored, transported, operated and maintained.
  3. the time measure or mission profile.
  4. a clear definition of what constitutes failure.
  5. a description of the test procedure with accept/reject criteria that will be used to demonstrate the specified reliability.

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