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Tilt-Wing Control Design for a Unified Control Concept

Milz, Daniel and Looye, Gertjan (2022) Tilt-Wing Control Design for a Unified Control Concept. In: AIAA Scitech 2022 Forum. AIAA SCITECH 2022 Forum, 03.-07. Jan. 2022, San Diego, CA & Virtual. doi: 10.2514/6.2022-1084.

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Official URL: https://arc.aiaa.org/doi/abs/10.2514/6.2022-1084

Abstract

Urban Air Mobility (UAM) promises an economic and ecological solution for the growing mobility demand by utilizing Electric Vertical Take-off and Landing Vehicles (eVTOLs). Tilt-wing eVTOLs (e.g., Airbus A3 Vahana) appear to be the most promising ones because they offer an efficient wing-borne cruise flight while reducing the need for ground-based infrastructure at the cost of a complex control task. Tilt-wing vehicles increase the pilot's workload and introduce possible human and technical failures due to mechanical complexity. A unified control concept shall be able to handle the vehicle in every phase and provides a single clean and intuitive interface. This work develops a controller capable of decoupling the physical couplings of the flight dynamics. An integrated six-degree-of-freedom rigid body model in a compact mathematical representation is proposed, and flight control requirements are identified. An Incremental Nonlinear Dynamic Inversion (INDI) controller is designed which fulfills the requirements. Moreover, multiple command filters and outer-loop controllers are designed to handle different control modes and provide a proof-of-concept for a unified control scheme. Finally, the closed-loop system is evaluated by means of the control requirements and a generic UAM mission. The closed-loop system masters all parts of the mission and fulfills these requirements. The developed dynamic model and control system will be valuable for future tilt-wing eVTOL research, especially subsequent works on unified control systems.

Item URL in elib:https://elib.dlr.de/147957/
Document Type:Conference or Workshop Item (Speech)
Title:Tilt-Wing Control Design for a Unified Control Concept
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Milz, DanielDaniel.Milz (at) dlr.deUNSPECIFIED
Looye, GertjanGertjan.Looye (at) dlr.deUNSPECIFIED
Date:January 2022
Journal or Publication Title:AIAA Scitech 2022 Forum
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.2514/6.2022-1084
Status:Published
Keywords:eVTOL Flight Control INDI
Event Title:AIAA SCITECH 2022 Forum
Event Location:San Diego, CA & Virtual
Event Type:international Conference
Event Dates:03.-07. Jan. 2022
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Aircraft Systems
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Milz, Daniel
Deposited On:10 Jan 2022 17:51
Last Modified:10 Jan 2022 17:51

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