Annual scheduling of Atlantic Fleet naval combatants
Operations Research
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
Optimizing on-demand aircraft schedules for fractional aircraft operators
Interfaces - Wagner prize papers
Improving Crew Scheduling by Incorporating Key Maintenance Routing Decisions
Operations Research
Exploring relaxation induced neighborhoods to improve MIP solutions
Mathematical Programming: Series A and B
Optimizing Military Capital Planning
Interfaces
Project scheduling under uncertainty using fuzzy modelling and solving techniques
Engineering Applications of Artificial Intelligence
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To mitigate the effects of a corrosive operating environment, the Coast Guard has planned an extensive preventative maintenance program for its Sikorsky HH60J helicopters based on helicopter flight time. We construct a mixed integer linear program that schedules the weeks during which each helicopter undergoes maintenance, as well as the weeks during which a helicopter conducts operations either at Clearwater Air Station, Florida or at one of two deployment sites. The schedules must consider different maintenance types, maintenance capacity and various operational requirements, e.g., the number of helicopters simultaneously patrolling a deployment site. Using data from the operations at Clearwater, we generate optimal schedules on a Unix workstation with modest computing power in less than 3min. Planners have been using our mixed integer linear program since January, 2005 for scheduling guidance.