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Meeting	ACGS Committee Meeting 131 - Newport News, VA - October 2023
Agenda Location	6 SUBCOMMITTEE C – AVIONICS AND SYSTEM INTEGRATION 6.4 Aero-Propulsive Modeling for eVTOL Aircraft Using Experimental Data
Title	Aero-Propulsive Modeling for eVTOL Aircraft Using Experimental Data
Presenter	Benjamin Simmons
Affiliation	NASA LaRC
Available Downloads*	presentation
	Downloads are available to members who are logged in and either Active* or attended this meeting.
Abstract	Electric vertical takeoff and landing (eVTOL) aircraft have recently emerged as new aeronautical vehicles intended to enable future Advanced Air Mobility transportation missions. Flight dynamics models for eVTOL aircraft are needed to support technology advancement for many related disciplines; however, complex eVTOL vehicle attributes, including many control effectors and significant propulsion-airframe interaction effects, present a challenge for efficient and accurate vehicle modeling using traditional methods. Building on established techniques applied for fixed-wing and rotary-wing aircraft, this presentation will highlight recent advances in aero-propulsive modeling and system identification for transitioning eVTOL aircraft using experimental data. The presentation’s topics will include formulation of eVTOL-vehicle-specific aero-propulsive modeling strategies, wind-tunnel experiment designs leveraging response surface methods and programmed test input executions, and a full-envelope flight-test system identification approach. The empirical modeling techniques that will be discussed can be readily applied to many different eVTOL vehicle configurations to facilitate rapid, accurate flight dynamics simulation development.