A Variable Stability In-Flight Simulation System using Incremental Non-Linear Dynamic Inversion

Pepijn Scholten, Rene van Paassen, Max Mulder

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

A variable stability in-flight simulator has the capabilities to change the response of an aircraft in-flight, often without changing the physical properties of the aircraft. The ability to adjust the aircraft response characteristics and handling qualities has various purposes, such as pilot training, control logic development and handling quality research. A variable stability control system is designed for a medium range business jet using Incremental Non-linear Dynamic Inversion. The performance of the in-flight simulator is verified by two experiments, one conducted in a fixed-base flight simulator and one in a Cessna Citation II laboratory aircraft. The fly-by-wire actuation system in the Cessna Citation II is based on its existing autopilot, inheriting the limited performance and safety protections.The simulator experiment shows differences between the experienced handling qualities for a reference model and the designed controller combined with aircraft dynamics. These differences mainly arise due to actuator saturation for specific handling quality settings. The in-flight experiment supports the simulator findings but also reveals how the available control authority around the initial condition is limited due to constraints of the fly-by-wire system.
Original languageEnglish
Title of host publicationAIAA Scitech 2020 Forum
Subtitle of host publication6-10 January 2020, Orlando, FL
PublisherAmerican Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages18
ISBN (Electronic)978-1-62410-595-1
ISBN (Print)9781624105951
DOIs
Publication statusPublished - 2020
EventAIAA Scitech 2020 Forum - Orlando, United States
Duration: 6 Jan 202010 Jan 2020

Publication series

NameAIAA Scitech 2020 Forum
Volume1 PartF

Conference

ConferenceAIAA Scitech 2020 Forum
CountryUnited States
CityOrlando
Period6/01/2010/01/20

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    Scholten, P., van Paassen, R., & Mulder, M. (2020). A Variable Stability In-Flight Simulation System using Incremental Non-Linear Dynamic Inversion. In AIAA Scitech 2020 Forum: 6-10 January 2020, Orlando, FL [AIAA 2020-0852] (AIAA Scitech 2020 Forum; Vol. 1 PartF). American Institute of Aeronautics and Astronautics Inc. (AIAA). https://doi.org/10.2514/6.2020-0852