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Campanile, L. F. and Sachau, D. (1999) Distributed versus concentrated flexibility in shape control of lifting surfaces: The "belt-rib" concept. In: Design Engineering Technical Conferences. "1999 ASME Design Engineering Technical Conferences", Las Vegas, USA, September 1999.
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Abstract
The mechatronic way of dealing with the issue of structure geometry control, based on mechanical systems with hinges, bearing and discrete actuators, cannot easily cope with the strict requirements of aircraft design. In this paper a structronic concept for airfoils with variable camber is presented, in which the desired geometry changes are achieved through structural flexibility and no moveable parts are needed. A short introduction to the structronic approach to structure adaptation in general and to airfoil shape control in particular opens the paper, with some emphasis on the role of solid-state actuators. The description of the new structural concept (the belt-rib concept) follows, with the application to the case of a landing flap with variable camber. Some results of FEM simulations as well as of experimental tests on different prototypes one of them equipped with shape memory wires as actuators are also included in the paper. The results provide a first feasibility proof of the new concept and encourage further work.
| Item URL in elib: | https://elib.dlr.de/16375/ | |||||||||
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| Document Type: | Conference or Workshop Item (Paper) | |||||||||
| Additional Information: | LIDO-Berichtsjahr=1999, monograph_id=DETC/VIB-8388, | |||||||||
| Title: | Distributed versus concentrated flexibility in shape control of lifting surfaces: The "belt-rib" concept | |||||||||
| Authors: |
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| Date: | 1999 | |||||||||
| Journal or Publication Title: | Design Engineering Technical Conferences | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Status: | Published | |||||||||
| Keywords: | structronics, shape control, variable camber, smart materials, solid-state actuators | |||||||||
| Event Title: | "1999 ASME Design Engineering Technical Conferences", Las Vegas, USA, September 1999 | |||||||||
| Organizer: | ASME | |||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | |||||||||
| HGF - Program: | Aeronautics | |||||||||
| HGF - Program Themes: | other | |||||||||
| DLR - Research area: | Aeronautics | |||||||||
| DLR - Program: | L TG - Querschnittstechnologien | |||||||||
| DLR - Research theme (Project): | UNSPECIFIED | |||||||||
| Location: | Braunschweig | |||||||||
| Institutes and Institutions: | Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik | |||||||||
| Deposited By: | DLR-Beauftragter, elib | |||||||||
| Deposited On: | 16 Sep 2005 | |||||||||
| Last Modified: | 14 Jan 2010 15:45 |
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