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Preliminary Results Towards Fidelity Evaluation of an In-flight Simulator

Fragniere, Benjamin and Wartmann, Johannes and Greiser, Steffen (2019) Preliminary Results Towards Fidelity Evaluation of an In-flight Simulator. In: AIAA Scitech Forum, 2019. AIAA Science and Technology Forum 2019 (AIAA SciTech 2019), 7.-11. Jan 2019, San Diego, USA. doi: 10.2514/6.2019-0988.

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Abstract

This paper presents the analysis of the fidelity obtained when performing in-flight simulations of the Bo-105 helicopter in forward flight with the Active Control Technology/ Flying Helicopter Simulator (ACT/FHS). The results are preliminary in the sense that they are based on the real-time and fully non-linear simulation model of the ACT/FHS in DLR’s helicopter simulator and not in the ACT/FHS itself. Yet, a flight test proven controller setting is used in the simulations. The ACT/FHS, the model-based controller, and the command model are briefly presented. The precision of the MBC for each control/response axis is evaluated quantitatively through frequency-domain methods, time-domain methods and handling quality analysis. A perceived fidelity evaluation process based on piloted simulations and comparative flight tests with the Bo-105 is presented. This process is first applied to evaluate the model-following precision and second to evaluate the fidelity of the in-flight simulation. The results of the evaluations are used to identify strengths and weaknesses of the in-flight simulation for each response axis, including cross-couplings.

Item URL in elib:https://elib.dlr.de/127444/
Document Type:Conference or Workshop Item (Speech)
Title:Preliminary Results Towards Fidelity Evaluation of an In-flight Simulator
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Fragniere, BenjaminUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wartmann, JohannesUNSPECIFIEDhttps://orcid.org/0000-0002-9766-3454138877496
Greiser, SteffenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:January 2019
Journal or Publication Title:AIAA Scitech Forum, 2019
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI:10.2514/6.2019-0988
Status:Published
Keywords:in-flight Simulation, fidelity Evaluation, flight control
Event Title:AIAA Science and Technology Forum 2019 (AIAA SciTech 2019)
Event Location:San Diego, USA
Event Type:international Conference
Event Dates:7.-11. Jan 2019
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:rotorcraft
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems
Deposited By: Fragniere, Benjamin
Deposited On:14 Jun 2019 16:07
Last Modified:18 Jul 2023 14:01

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