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Accession Number:
ADA289284
Title:
Multicriteria Mission Route Planning Using A Parallel A* Search.
Descriptive Note:
Master's thesis,
Corporate Author:
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
Report Date:
1994-12-13
Pagination or Media Count:
146.0
Abstract:
The Mission Route Planning MRP Problem falls into the general class of multicriteria path search problems. Multiple criteria are evaluated to select an optimal aircraft mission route through a hostile environment. Criteria for distance travelled and radar exposure are combined into a single cost function for route evaluation. Radar calculations are performed dynamically. The A search algorithm is applied to the MRP problem, and a parallel implementation is developed and tested. A unique combination of distributed OPEN lists with a global CLOSED list strategy produced fast execution times on the Paragon. Test cases for scenarios with 15 radars took less than 5 minutes with 16 processors. Measured performance is far superior to previous efforts.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE