ADVANCED DIAGNOSTICS

1. ADVANCED DIAGNOSTICS CONTINUING TO MEET TECHNOLOGY DEMANDS

2. Covers All Product Design Phases Diagnostics Analysis from Proposal to Operations & Support Ensures Product Design Meets Full systems Requirements Provides an integrated Systems Process Network All Design Disciplines Can Work Together Provides Balanced Design VS. Budget Receives Requirements and Drives Design for: Prognostics Candidates, Sensor Placement, Test Strategies and Maintenance Impact Production Level of Test for Operational Confidence Logistics Level of Repair and Support Trade Studies Software Test Code Development Run-Time Reasoner Development eXpress Advanced Diagnostics

3. Focus Proactive Design Drivers Maps Failure Effects at Any system Level to Lowest Level Failure Mode Provides High Confidence Observation and Isolation Capability for Discrete and Incipient Failures Covers RCM, and CBM With Feedback From Prognostics Analysis Enables Business Case Models for Effective Proactive Maintenance VS. Running to Failure eXpress Advanced Diagnostics

4. FULL SYSTEMS DESIGN AND SUPPORT INTERGRATION Run Time System IVHM / IPHM Model Development CONOPS Funct Concepts e X p r e s s IETM O P S & S U P T L I F E C Y C L E Functionality Dependencies Tests, etc Requirements LSA O P S & S U P T S I M Design Training Ops Requirements States / Phases LORA Safety Critical Funct Severity SE Reliability Failure Rates FMECA Input LCC TOC CAIV Supply Support Maint Times & Constraints Maintainability Drivers for Fault Group Size & Partitioning Supply Chain Model Maintenance Planning Design & Support Trade Studies

5. Today’s Large Focus on Post-Design Health Management is Clouding the Design for Health Management Proactive maintenance is important Independent Trend Analysis does not support today’s Prognostics Requirements Physics of Failure is leading Prognostics technology Must be selective due to model development time, high cost and technical feasibility Must be integrated with the Advanced Diagnostics Process EMERGING RISK • Attempting to Drive Health Management • into a Prognostics Centric Technology • is a High Risk Trend

6. Prognostics from Detection to Action prior to Failure Tf = Time of Failure Td = Time of Prognostics Detection Failed = 100% Failure Detected = % at which insipient failure recognized Time to Failure = Tf – Td • Not a linear curve • Large environmental and operational • mode Dependency • maintenance action impacts Td & Tf • Does not consider secondary stress • Resolution in dynamic environment • can not meet today’s requirements • (FCS = 10 hours prior to failure) • Must trade criticality against cost and • Run to Failure with high FD / FI probability

7. Advanced Diagnostics Process eXpress Advanced Diagnostics Prognostics Prognostic Candidates Sensor & Test Definitions Design Knowledge Insipient Event Trigger Point Run-Time Reasoners (Health Management / PS-MRS) Enhanced Maintenance

8. The eXpress Diagnostics Analysis Process provides: Accurate metrics on Fault Isolation Probabilities to a defined system / assembly / component level Support to cost benefit studies Critical Item Remediation O&S level of repair Reduced O&S skill level requirements Validated design test capabilities prior to full production and O&S Standardize Cost Analysis and Control through theeXpress Diagnostics Analysis Process

9. Funding and Development of Prognostics Technology is important to meet the needs of new system and program requirements This needs to be accomplished without compromising the confidence of integrated systems diagnostics Funding and further development of Advanced Diagnostics is needed to make everything work together “Don’t throw the baby out with the bathwater” Conclusion