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oai:www.repository.cam.ac.uk:1810/2973182021-04-21T20:13:33Zcom_1810_213729com_1810_256065col_1810_219485

Supermanoeuvrability in a biomimetic morphing-wing aircraft 10.17863/CAM.44366 Pons, Arion Douglas 0000000161021735 Cirak, Fehmi In this work we study the supermanoeuvrability of a biomimetic morphing-wing case study aircraft system. Analytical and computational models of biomimetic flight dynamics are developed, utilising multibody dynamics, computational fluid dynamics, and reduced-order aerodynamic models; and validated with respect to experimentally-derived flight dynamics of a Pioneer RQ-2 UAV. These models are used to explore the capability of this system for a wide range of biological and other supermanoeuvres: multi-axis quasistatic nose-pointing-and-shooting (NPAS) / direct force capability; multi-axis rapid-nose-pointing-and-shooting (RaNPAS) including Pugachev’s cobra; ballistic transition; and anchor turning. Novel contributions include the development of transient aerodynamic models for a three-dimensional flight-simulation context; the development of novel methods for assessing transient model validity; the development of improved methods of quaternion variational integration; the development of quasi-trim and continuation-based methods for the design, exploration, analysis and control of manoeuvres in biomimetic morphing-wing systems; an assessment of the complex spiral mode stability effects present in asymmetrically-morphed system trim states; and a demonstration of the wide-ranging potential for advanced supermanoeuvrability in biomimetic morphing-wing systems. Industrial applications include the design of high-precision guided missiles for use in complex, e.g. urban, environments. University of Cambridge 2019-10-24 Thesis Doctoral Doctor of Philosophy (PhD) en Cambridge Commonwealth Prince of Wales Scholarship (Cambridge Trust) https://www.repository.cam.ac.uk/handle/1810/297318 https://apollo8-f-pro.lib.cam.ac.uk/bitstreams/f6a3cfb4-3b1a-4841-8307-26c6ea6dbf1e/download 59e202b9af03dbe66ba6b8ecc4fd20ca https://apollo8-f-pro.lib.cam.ac.uk/bitstreams/7dc83596-9ad9-4a83-9b46-89d01b73abfd/download 87eda9de84448d1f82354d60eee3eb5f https://www.rioxx.net/licenses/all-rights-reserved/ supermanoeuvrability biomimetic morphing aircraft UAV