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Manoeuverability Assessment for Urban Air Mobility Using the Improved Inverse Simulation

Ye Yuan Orcid Logo, Douglas Thomson, David Anderson

AIAA SCITECH 2023 Forum

Swansea University Author: Ye Yuan Orcid Logo

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DOI (Published version): 10.2514/6.2023-2206

Abstract

The manoeuvrability of the Urban Air Mobility (UAM) determines its handling qualities and safety. However, this novel rotor-powered vehicle configuration has unique characteristics, including the complicated aerodynamic interference of the multi-rotor systems, the transition mode that may alter the...

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Published in: AIAA SCITECH 2023 Forum
Published: Reston, Virginia American Institute of Aeronautics and Astronautics 2023
Online Access: http://dx.doi.org/10.2514/6.2023-2206
URI: https://cronfa.swan.ac.uk/Record/cronfa63019
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Abstract: The manoeuvrability of the Urban Air Mobility (UAM) determines its handling qualities and safety. However, this novel rotor-powered vehicle configuration has unique characteristics, including the complicated aerodynamic interference of the multi-rotor systems, the transition mode that may alter the rotor wake significantly, and the multiple redundant controllers. These features make it harder to quantify its manoeuvrability. Therefore, a series of novel modelling and assessment methods are developed in this article to assess the manoeuvrability of UAM vehicles. First, the universal UAM flight simulation modelling method is delivered based on the multi-agent simulation engine, providing accurate flight dynamics estimates for different UAM configurations. Then, the Two Timescale Integration method is incorporated into the inverse simulation, enabling this method to tackle the non-minimum phase characteristics widely in the UAM system. Lastly, the deceleration,pop-down, normal landing, and emergency landing manoeuvres are mathematically defined, aiming at testing the manoeuvrability of the exampled UAM vehicles. The results indicated that the handling qualities during various manoeuvres are different, and the analysis also provides some suggestions on the UAM safety improvement. Meanwhile, the results demonstrated that the improved inverse simulation method could deal with the non-minimum phase features, allowing this method to analyse the UAM manoeuvrability across the flight envelope.
Keywords: Urban Air Mobility, Flight Dynamics, Tiltrotor Aircraft, Handling Qualities, Rotor Systems, Aerodynamic Characteristics, Emergency Landing, Flight Simulation, Flight Envelope, Aircraft Configurations
College: Faculty of Science and Engineering

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