Time-optimal trajectories for the Delilah Unmanned Air Vehicle (UAV) were studied. Delilah is a 400-lb, turbojet-powered decoy carrying active and passive radio-frequency (RF) payloads; its dash speed is 770 kt and its flight ceiling is 30,000 ft. The Pontryagin Minimum Principle was applied to the minimum-time point-to-point maneuvering problem and a new technique was demonstrated, to perform the Jacobi test. The technique is based on a singular value decomposition of the transition matrix and is simpler and more reliable than the old technique of evaluating sub-determinants. Two approximations to the problem, the energy model and the intermediate model, were shown to agree well with the exact solution.
Optimal Trajectories for an Unmanned Air Vehicle
1990
9 pages
Report
Keine Angabe
Englisch
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