Title :
Fixing BIT on the V-22 Osprey
Author :
Westervelt, Kerry
Author_Institution :
Aircraft Div., Naval Air Warfare Center
Abstract :
The V-22 Osprey measured an unsatisfactory high built-in-test (BIT) false alarm rate of 92% (threshold les 25%) during its first Operational Test And Evaluation Phase (OPEVAL) in 2000. On a good note, the V-22 did exceed its operational objectives for BIT fault detection and fault isolation rates. Afterwards, the Blue Ribbon Panel report identified the need to fix false alarms: "Expedite the plan to reduce the V-22 false-alarm rate in both the aircraft and ground systems, with priority on aircraft software". Correction of false alarms then became a high priority issue on the program. Therefore, a success-oriented engineering approach was developed and implemented to mature the diagnostics system in order to meet the operational requirements
Keywords :
aircraft; built-in self test; fault diagnosis; ground support systems; Blue Ribbon Panel report; Operational Test and Evaluation Phase; V-22 Osprey; aircraft software; built-in-test false alarm rate; diagnostics system; false alarm correction; fault detection rates; fault isolation rates; ground systems; Aerospace engineering; Aircraft propulsion; Failure analysis; Fault detection; Government; Hardware; Information analysis; Performance analysis; Software design; Testing;
Conference_Titel :
Aerospace Conference, 2006 IEEE
Conference_Location :
Big Sky, MT
Print_ISBN :
0-7803-9545-X
DOI :
10.1109/AERO.2006.1656076
