Integrated diagnostics during design

Progress made in a continuing study effort seeking to develop management tools to support diagnostic design decision making is discussed. The development of diagnostic mix guidelines for use during initial design is addressed, including the selection of factors associated with the diagnostic mixing decision, the methods of measurement, and the development of a cost model. Inputs and outputs of this model are given, and a sample analysis using the model to establish the significance of avionics diagnostics errors from a cost impact standpoint is presented. The development of a Practical Guide incorporating cost effective diagnostic mix criteria and full-scale development monitoring methodology is briefly discussed.