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Testing Active Rotor Control Applications using DLR's Multiple Swashplate Control System in the LLF of DNW

Bartels, Rainer and Küfmann, Philip and van der Wall, Berend G. and Schneider, Oliver and Holthusen, Hermann and Gomes, Jorge and Postma, Jos (2016) Testing Active Rotor Control Applications using DLR's Multiple Swashplate Control System in the LLF of DNW. In: Proceedings of the 42nd European Rotorcraft Forum. 42nd European Rotorcraft Forum, 05.-08. Sep. 2016, Lille, Frankreich.

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In the context of the joint research project advanced swashplate concepts within the nationally funded aeronautical research programm LuFo V-1, DLR’s multiple swashplate control system has successfully completed its first wind tunnel tests in DNW’s large low-speed facility. The main goal of the wind tunnel tests was to examine the effectiveness of several individual blade control strategies regarding noise, vibration and power reduction at different wind speeds and flight attitudes using highly instrumented Bo105-type model rotor blades as well as a newly manufactured set of model rotor blades with a more modern blade planform and profiles. The results of these tests, which for the first time included 2/rev higher harmonic control and tip path plane splitting without using actuators in the rotating frame, are a valuable addition to the data gathered from the HART- and HART II campaigns and additionally provide the opportunity to directly compare the performance of two different generations of rotor blades under otherwise identical test conditions. This paper provides an initial overview over the test setup of the rotor test rig including the multiple swashplate control system, the different measurement systems used in the wind tunnel tests, the test procedures as well as the specific blade control strategies to reach the goals. Selected first results are presented to provide an initial overview over the measurements taken and an outlook on broader, more in-depth analyses available after further data evaluation.

Item URL in elib:https://elib.dlr.de/106665/
Document Type:Conference or Workshop Item (Speech)
Title:Testing Active Rotor Control Applications using DLR's Multiple Swashplate Control System in the LLF of DNW
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bartels, RainerRainer.Bartels (at) dlr.deUNSPECIFIED
Küfmann, Philipphilip.kuefmann (at) dlr.deUNSPECIFIED
van der Wall, Berend G.Berend.VanDerWall (at) dlr.deUNSPECIFIED
Schneider, OliverOliver.Schneider (at) dlr.dehttps://orcid.org/0000-0002-0229-0756
Holthusen, HermannDNW, NetherlandsUNSPECIFIED
Gomes, JorgeDNW, NetherlandsUNSPECIFIED
Postma, JosDNW, NetherlandsUNSPECIFIED
Date:5 September 2016
Journal or Publication Title:Proceedings of the 42nd European Rotorcraft Forum
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Helicopter, active rotor control, higher harmonic control (HHC) , individual blade control (IBC), multiple swashplate control (META), wint tunnel test (DNW-LLF), sereo pattern recognition (SPR), acoustic measurements
Event Title:42nd European Rotorcraft Forum
Event Location:Lille, Frankreich
Event Type:international Conference
Event Dates:05.-08. Sep. 2016
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 Innovative Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Bartels, Rainer
Deposited On:19 Oct 2016 13:33
Last Modified:19 Oct 2016 13:33

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