期刊
JOURNAL OF GUIDANCE CONTROL AND DYNAMICS
卷 33, 期 5, 页码 1641-1654出版社
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/1.46815
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Unmanned aircraft systems have the potential to perform many of the dangerous missions currently flown by manned aircraft, yet the complexity of some tasks, such as air combat, have precluded unmanned aircraft systems from successfully carrying out these missions autonomously. This paper presents a formulation of a level-flight fixed-velocity one-on-one air-combat maneuvering problem and an approximate dynamic programming approach for computing an efficient approximation of the optimal policy. In the version of the problem formulation considered, the aircraft learning the optimal policy is given a slight performance advantage. This approximate dynamic programming approach provides a fast response to a rapidly changing tactical situation, long planning horizons, and good performance, without explicit coding of air-combat tactics. The method's success is due to extensive feature development, reward shaping, and trajectory sampling. An accompanying fast and effective rollout-based policy extraction method is used to accomplish online implementation. Simulation results are provided that demonstrate the robustness of the method against an opponent, beginning from both offensive and defensive situations. Flight results are also presented using unmanned aircraft systems flown at the Massachusetts Institute of Technology's real-time indoor autonomous vehicle test environment.
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