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Design of the Actuation System of the HEXAFLY-Int Hypersonic Glider

Andro, Jeay-Yves and Rotärmel, Waldemar and Nebula, Francesco and Steelant, Johan (2018) Design of the Actuation System of the HEXAFLY-Int Hypersonic Glider. International Conference on High-Speed Vehicle Science & Technology, 26.-29. Nov. 2018, Moskau, Russland. (Unpublished)

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Abstract

This paper describes the design process of the actuation system for the Hexafly-Int Hypersonic Glider, composed by two control surfaces, hereafter named elevons. In the first part, the high-level architecture of the actuation system is presented. Then, the requirements generation process is briefly laid out; attention is paid to the procedure used to obtain a reference trajectory compliant with both the mission requirements and the maximum hinge moment not to exceed, coming from the experimental tests. The second part deals with the mechanical design of the actuation system of each control surface which is mainly composed of a servo-actuator, a titanium actuation lane, a CMC torsion bar, and a CMC elevon. A particular attention is dedicated to the innovative design of the torsion bar in terms of CMC manufacturing and mechanical interface with the actuation lane so as to increase the maximum hinge moment and to minimize its torsional thermo-mechanical deformation for an easier control of the vehicle. This paper concludes with the results of the preliminary ground tests of the torsion bar elevon assembly.

Item URL in elib:https://elib.dlr.de/124692/
Document Type:Conference or Workshop Item (Speech)
Title:Design of the Actuation System of the HEXAFLY-Int Hypersonic Glider
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Andro, Jeay-Yvesjean-yves.andro (at) onera.frUNSPECIFIED
Rotärmel, WaldemarWaldemar.Rotaermel (at) dlr.deUNSPECIFIED
Nebula, FrancescoF.Nebula (at) cira.itUNSPECIFIED
Steelant, JohanESA-ESTEC, NLUNSPECIFIED
Date:2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:Hypersonic Glider, Actuation System, CMC Elevon, CMC Torsion bar
Event Title:International Conference on High-Speed Vehicle Science & Technology
Event Location:Moskau, Russland
Event Type:international Conference
Event Dates:26.-29. Nov. 2018
Organizer:CEAS
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Shefex III, R - Wiederverwendbare Raumfahrtsysteme
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Space System Integration
Deposited By: Rotärmel, Waldemar
Deposited On:14 Dec 2018 10:01
Last Modified:14 Dec 2018 10:01

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