Prognostics and Health Management
Vs
Prognostics Health Management (PHM)
Effective PHM Must be based on a
Well Designed Diagnostics Capability through
an Integrated System Diagnostic Design (ISDD) Process
The investment into Prognositics Analyses is attempting to preempt failure conditions through an implementation of a sort of “Just in Time” Proactive Maintenance methodology. While striving in the direction of this Proactive Maintenance objective it is essential to be mindful of fundamental facts:
1. Trend Analysis does not support today’s Prognostics Requirements
2. Physics of Failure Analysis is a dynamic and evolving technology to support PHM
3. Prognostic Analyses must be selective due to development time, high cost and technical feasibility
4. Prognostic Analyses must be integrated with the PHM Diagnostics Design Process
Attempting to Drive Health Management
into a Prognostics Centric Technology
is a High Risk Trend