Abstract
The morphing aircraft can change different wing shapes or geometries to achieve the optimal flight performance according to various mission scenarios. In this paper, DATCOM is used to calculate aerodynamic parameters based on Firebee UAV morphing aircraft with different wing configurations and analyze aerodynamic characteristics. A novel adaptive wing morphing strategy for morphing aircraft based on reinforcement learning method is proposed. This method can highly meet the demand of keeping optimal performance in multiple flight conditions, and the adaptive wing morphing strategy, three-loop normal load altitude controller and sliding mode velocity controller can together make sure stability of morphing aircraft during morphing process with good tracking performance.
Highlights
西北工业大学学报 Journal of Northwestern Polytechnical University https: / / doi.org / 10.1051 / jnwpu / 20193740656
Adaptive Wing Morphing Strategy and Flight Control Method of a Morphing Aircraft Based on Reinforcement Learning
The morphing aircraft can change different wing shapes or geometries to achieve the optimal flight per⁃ formance according to various mission scenarios
Summary
西北工业大学学报 Journal of Northwestern Polytechnical University https: / / doi.org / 10.1051 / jnwpu / 20193740656 从图 6 可以看出,稳定度随后掠角的增大而增 大。 俯冲翼型的稳定度在 - 0.56 左右,巡航翼型的 稳定度在-0.33 左右。 大后掠时,压心后移,稳定度 增加。 从图 7 可以看出,操稳比随后掠角的增大而减 小。 俯冲翼型的操稳比在 0.4 左右,巡航翼型的操 稳比在 1.3 左右。 图 8 和图 9 表明,在俯冲和爬升阶段,最优翼型 为 60°后掠角;图 10 表明,在巡航阶段,最优翼型为 15.97°后掠角。
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