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First Control System Evaluation of the Research Helicopter FHS

Hamers, Mario and Lantzsch, Robin and Wolfram, Jens (2007) First Control System Evaluation of the Research Helicopter FHS. In: Proceedings 2007 ERF. 33rd European Rotorcraft Forum (ERF), 2007-09-11 - 2007-09-13, Kazan, Russia.

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The paper presents an active controller to increase stability of the air resonance mode of the Flying Helicopter Simulator, FHS, research helicopter. The air resonance mode on the FHS is particularly excited when roll rate feedback loops are incorporated in the main flight control design. The air resonance controller is designed to operate independent of the main flight control system. Several approaches of the air resonance controller have been developed and optimized in simulation. The simulation environment makes use of system identification models derived from flight test data. The models are specially adapted and tuned for reproducing the air resonance mode. The two most promising air resonance controller concepts are finally flight tested: an adaptive notch filter and a modified cross feed approach. The paper describes the development process, the air resonance controller design and the results of the flight test campaigns.

Item URL in elib:https://elib.dlr.de/53507/
Document Type:Conference or Workshop Item (Speech)
Title:First Control System Evaluation of the Research Helicopter FHS
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:September 2007
Journal or Publication Title:Proceedings 2007 ERF
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:FHS, control design, air resonance, regressive lag
Event Title:33rd European Rotorcraft Forum (ERF)
Event Location:Kazan, Russia
Event Type:international Conference
Event Dates:2007-09-11 - 2007-09-13
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 Smart Rotorcraft (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Fischer, Bärbel
Deposited On:29 Apr 2008
Last Modified:27 Apr 2009 14:47

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