Abstract
This paper presents the flight test verification and validation of a novel multi-reference longitudinal and lateral-directional guidance logic across multiple autonomous aircraft with distinctly different dynamics. LN guidance logic takes advantage of tracking a span of multiple references across the desired track, similar to an insect’s compound eyes, allowing for a much higher temporal resolution and more predictive and anticipatory guidance logic. The stability of LN guidance algorithms is investigated using global Lyapunov stability theorems and its stability is proved. Validation and verification flight tests of LN lateral-directional guidance logic demonstrate superior tracking performance adaptability of this novel method compared to other methods such as L1 or \({{{L}_{2}}^{+}}\). The LN longitudinal guidance is newly developed in this paper and shows excellent altitude tracking capabilities and similarly scalable. Statistical analysis of multiple flight tests involving varying environmental states with three unique aircraft and different advanced flight controllers are shown to prove the capabilities, robustness, and consistency of LN guidance.
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Acknowledgements
The authors would like to thank the Heising-Simons foundation and National Aeronautics and Space Administration for their support. Much appreciation is given to collaborators from the KU Flight Research Laboratory: Hady Benyamen, Alex Zugazagoitia, Vishvas Sharma, Julian Moreno, Brennen Wheatly, Tyler Andrew, and Joseph Ativie for their assistance in flight test support and execution.
Funding
This work was completed with funding from the Heising-Simons foundation and National Aeronautics and Space Administration (NASA) grants #80NSSC19C0102 and 80NSSC20M0109/R52545-21-00934, and matching funds from the State of Kansas.
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JX developed the LN guidance logic algorithms adaptive weighting scheme. SK proposed the idea of multi-reference guidance and oversaw the development. AM provided Lyapunov stability analysis of the guidance logic. RB was the flight test lead. All authors reviewed the manuscript.
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Xu, J., McKinnis, A., Keshmiri, S. et al. Flight Test of the Novel Fixed-Wing Multireference Multiscale LN Guidance Logic for Complex Path Following. J Intell Robot Syst 105, 63 (2022). https://doi.org/10.1007/s10846-022-01660-x
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DOI: https://doi.org/10.1007/s10846-022-01660-x