| Details |
| Document Number: |
ARP1834A |
| Revision Number: |
A |
| Title |
| Fault/Failure Analysis for Digital Systems and Equipment |
| Scope |
| ARP 1834 provides general guidance for the selection, approach to, and performance of various kinds of F/FA of digital systems and equipment. Its prime objective is to present several industry- acceptable, cost-effective methods for identifying, analyzing, and documenting digital-equipment failure modes and their effects. The analysis techniques and considerations presented here are directed to digital-equipment hardware faults and failures exclusively.<p>ARP 1834 is not intended as an exhaustive treatment of the enormously complex process involved in the analytical failure evaluation of complete digital systems, nor as a universally applicable, definitive listing of the necessary and sufficient steps and actions for such evaluation.<p>ARP4761 provides updated methods and processes for use on civil aircraft safety assessment. When analyzing these types of systems, ARP4761 should be used in lieu of the ARP.<p>ARP1834 addresses the following areas of consideration in the preparation and performance of F/FA's for digital equipment: a. Possible Analysis approaches: Top-Down and/or Bottom-Up (Section 3); b. Fault/Failure Modes, as they affect equipment operation and performance (Section 4); c. Fault Monitoring Methodology; Reasons for, types of, and effectiveness (Section 5); and d. Analysis Methods: Preparation for, types of, effectiveness and coverage (Section 6) |
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