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Implementation and Test of Semi-Closed Loop HHC-Algorithm with the DLR's Multiple Swashplate System

Küfmann, Philip and Brillante, Claudio (2015) Implementation and Test of Semi-Closed Loop HHC-Algorithm with the DLR's Multiple Swashplate System. 41st European Rotorcraft Forum, 01.-04. Sep. 2015, München, Deutschland.

Full text not available from this repository.

Abstract

This paper discusses the design, integration and test of a Higher Harmonic Control algorithm capable of both vibration control and in-flight blade tracking in conjunction with DLR’s multiple swashplate control system (META). The design of the control algorithm is described in detail and the results of coupled numerical investigations with both MbDyne and DLR’s comprehensive rotor code to determine the algorithm’s performance, are presented. The integration of the control-algorithm into the realtime control software is shown for the META system, where for safety reasons a semi-open loop approach was implemented. First tests of the controllers in-flight tracking mode to reduce 1/rev loads during hover have successfully been conducted at the DLR’s rotor test facility, yielding a 94.2% reduction in 1/rev vibratory loads while maintaining constant rotor thrust.

Item URL in elib:https://elib.dlr.de/98415/
Document Type:Conference or Workshop Item (Speech)
Title:Implementation and Test of Semi-Closed Loop HHC-Algorithm with the DLR's Multiple Swashplate System
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Küfmann, PhilipFT-HUB, DLRUNSPECIFIED
Brillante, ClaudioPolitecnico di Milano, ItalienUNSPECIFIED
Date:4 September 2015
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:vibration control, in-flight tracking, HHC, controller, frequency domain, quadratic programming, interior-point algorithm
Event Title:41st European Rotorcraft Forum
Event Location:München, Deutschland
Event Type:international Conference
Event Dates:01.-04. Sep. 2015
Organizer:DGLR
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
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Rotorcraft
Deposited By: Küfmann, Philip
Deposited On:08 Oct 2015 16:41
Last Modified:10 May 2016 23:31

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