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Development of an integrated electrical swashplateless primary and individual blade control system

Arnold, Uwe T.P. and Fürst, Daniel and Neuheuser, Tom and Bartels, Rainer (2006) Development of an integrated electrical swashplateless primary and individual blade control system. 32nd European Rotorcraft Forum, 2006-09-12 - 2006-09-14, Maastricht, The Netherlands.

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Abstract

It has been shown that a helicopter rotor in forward flight can greatly benefit from more complex pitch control schemes than used today. Thus, control system add-ons have been realized which provide those missing degrees of freedom, usually referred to as Individual Blade Control (IBC). If such systems are added to a conventional control system, however, additional means of actuation have to be placed in the rotating frame, which require their own information and power transfer links. Instead of implementing additional separate hardware it might be worthwhile to consider an integrated actuation system designed to fulfill both the primary control as well as the IBC requirements. This paper discusses the following three aspects: (a) what are the performance requirements of such an integrated control system which is able to fulfill both functions, (b) what actuation technology is best suited for this application and (c) how can the reliability required for a primary flight control system be realized with a minimum degree of redundancy and thus at a competitive system weight? It is shown that by using modern customized electromechanic actuators and by choosing an appropriate system architecture this type of integrated control system becomes feasible at a very competitive system weight. This paper presents the basic principles, discusses the multi-disciplinary investigations and describes the approach to demonstrate its feasibility through dedicated bench tests.

Item URL in elib:https://elib.dlr.de/47256/
Document Type:Conference or Workshop Item (Speech)
Title:Development of an integrated electrical swashplateless primary and individual blade control system
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Arnold, Uwe T.P.ZF-Luftfahrttechnik GmbHUNSPECIFIED
Fürst, DanielZF-Luftfahrttechnik GmbHUNSPECIFIED
Neuheuser, TomTU Hamburg-HarburgUNSPECIFIED
Bartels, RainerUNSPECIFIEDUNSPECIFIED
Date:September 2006
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:helicopter, swashplateless primary control, individual blade control, electro-mechanical actiuators, degradation, reconfiguration
Event Title:32nd European Rotorcraft Forum
Event Location:Maastricht, The Netherlands
Event Type:international Conference
Event Dates:2006-09-12 - 2006-09-14
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Rotorcraft (old)
DLR - Research area:Aeronautics
DLR - Program:L RR - Rotorcraft Research
DLR - Research theme (Project):L - The Active Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Bartels, Rainer
Deposited On:21 Feb 2007
Last Modified:27 Apr 2009 13:30

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