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Development of the Aeroelastic Mathematical Model of the STS as an Object of the Flight Control System in the Preliminary Design Phase

Klevanski, Josef and Sippel, Martin (2005) Development of the Aeroelastic Mathematical Model of the STS as an Object of the Flight Control System in the Preliminary Design Phase. In: 6th International Symposium on Launcher Technologies. Flight Environment Control for Future and Operational Launchers. 6th International Symposium on Launcher Technologies, [2005-11-08 - 2005-11-11], Munich, Germany.

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Abstract

This paper considers the development of a simplified modular parametrical model of the STS as an aeroelastic object of the flight control system in an iterative process. The first approximation for the materials and mass distribution is based on statistical methods. After a first stress analysis a more precise mass distribu-tion can be obtained. The preliminary design of the control system will consider flight path control as well as the trim and stabili-zation task. The eigenfrequencies analysis of the closed loop "rigid body – control system" allows rejecting of higher eigenvibrations of the elastic structure which are negligible for the control system and thereby allows simplifying of the whole mathematical model. The various aspects of the model applicability, its adequacy and the possible further development of some model components will also be discussed in this paper.

Document Type:Conference or Workshop Item (Paper)
Title:Development of the Aeroelastic Mathematical Model of the STS as an Object of the Flight Control System in the Preliminary Design Phase
Authors:
AuthorsInstitution or Email of Authors
Klevanski, JosefUNSPECIFIED
Sippel, MartinUNSPECIFIED
Date:2005
Journal or Publication Title:6th International Symposium on Launcher Technologies. Flight Environment Control for Future and Operational Launchers
Editors:
EditorsEmail
CNES, UNSPECIFIED
Status:Published
Keywords:parametrical model, aeroelastic object of the flight control system
Event Title:6th International Symposium on Launcher Technologies
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:[2005-11-08 - 2005-11-11]
Organizer:CNES
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:Space
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):W - Projekt ASTRA - Teilprojekt SART (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion
Deposited By: Josef Klevanski
Deposited On:25 Jul 2007
Last Modified:27 Apr 2009 14:05

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