Present and Future Diagnostics and Prognostics of Ground Combat Vehicles
ARMY TANK-AUTOMOTIVE COMMAND WARREN MI
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Diagnostics capability of ground combat vehicles has to be compatible with the Army Diagnostic Improvement Program. Present systems are capable of performing health monitoring and health checks using internal embedded resources. They employ standard sensors and data bases that monitor data signals, measurements and built-in test BIT. These devices provide a comprehensive source of data to accomplish complete and accurate system level diagnostics and fault isolation at line replaceable unit LRU level. They provide system health monitoring and prognostics capability for subsystems consisting of engine, transmission, power pack interface, gauge cluster unit and others. Prognostics routines provide diagnostics capability to identify the cause of failure, when failure is predicted, and corrective action to prevent unscheduled maintenance action. Ground combat vehicles health status and prognostic information are displayed to operator, crew, and maintenance personnel. Present systems use common datainformation interchange network in accordance with standards defined in the Joint Technical Architecture JTA to provide access to vehicles health data. The technologies utilized in present systems include embedded diagnostics, combat maintainer, revised maintenance concept, schematic viewer, etc. Implementation of these technologies significantly reduced maintenance hours of ground combat vehicles. Todays Main Battle Tanks MBT contains a multitude of processors. Yet systems such as Abrams provide redundancy only between the hull electronics unit and the turret electronics unit. The Abrams employs duplicate processors hosting redundant software in different vehicle compartments. Over a half a million lines of software code span multiple processors. The software in the Abrams tank was created in a highly sophisticated development and testing environment.
- Computer Programming and Software
- Combat Vehicles