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Sensor calibration for calculation of loads on a flexible aircraft

Preisighe Viana, Marcus Vinicius (2015) Sensor calibration for calculation of loads on a flexible aircraft. 16th International Forum on Aeroelasticity and Structural Dynamics - IFASD 2015, 28 Jun. - 02 Jul. 2015, Saint Petersburg, Russia.

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In order to reduce costs of operation, new aircraft designs make vast use of light, flexible, and slender structures to achieve higher payloads and improved fuel consumption. At the same time, in order to reduce the amount of flight testing required for the certification of a new aircraft, the use of simulation models for certification purposes increases constantly. These models must be validated based on real flight data, for which airplanes must be instrumented adequately. Nowadays the test setups available for strain sensor calibration are highly sophisticated and instrumented, but also complex, time-demanding and expensive. Therefore, the ability to provide cost effective methodologies will be of great benefit with regards to the often overlooked and ever growing flexible small aircraft market. The current paper focusses on the strain sensor calibration methodology for both strain gauges and Fiber Bragg Grating sensors. The methodology is presented with many details and illustrated using a real application to the DLR Discus-2c sailplane. Various practical pitfalls are discussed as well as the issue of selecting the “best” combination of sensors for the development of the local structural load models.

Item URL in elib:https://elib.dlr.de/97681/
Document Type:Conference or Workshop Item (Speech)
Title:Sensor calibration for calculation of loads on a flexible aircraft
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Preisighe Viana, Marcus Viniciusmarcus.preisigheviana (at) dlr.deUNSPECIFIED
Date:2 July 2015
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:Structural Health Monitoring (SHM), flexible aircraft, loads measurement, sensor calibration, structural load models, strain gauges, optical fibers, FBG (Fiber Bragg Grating).
Event Title:16th International Forum on Aeroelasticity and Structural Dynamics - IFASD 2015
Event Location:Saint Petersburg, Russia
Event Type:international Conference
Event Dates:28 Jun. - 02 Jul. 2015
Organizer:Central Aerohydrodynamic Institute (TsAGI), in collaboration with the CEAS and the AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flexible Aircraft (old), L - Structures and Materials
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems
Deposited By: Preisighe Viana, Marcus Vinicius
Deposited On:22 Sep 2015 14:56
Last Modified:31 Jul 2019 19:54

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