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Optimization of the equivalent mechanical characteristics of active side sticks for piloting a controlled helicopter

Nonnenmacher, Daniel and Müllhäuser, Mario (2011) Optimization of the equivalent mechanical characteristics of active side sticks for piloting a controlled helicopter. CEAS Aeronautical Journal. Springer. doi: 10.1007/s13272-011-0022-8.

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Official URL: http://www.springerlink.com/content/u736054544556108/


Active side sticks offer the possibility to adjust the force-feel characteristics to account for various piloting tasks and flight conditions. This promises a decrease in pilot workload and an increase in handling qualities. However, the optimum force-feel characteristics are not well understood and modeled; therefore, their tuning still rely on experimental methods. Experimental pilot-in-the loop methods are time-consuming, expensive and have to be repeated with every change in control law dynamics. If a purely mathematical method for force characteristics optimization could be developed based on a better understanding of the principles underlying good force-feel systems, then the optimization could be done more efficiently and offline. This paper presents our current developments and achievements towards this new under-standing to assess if and how a purely mathematical method could be derived from selected experiments. Even if this final goal could not be derived yet, the paper presents the selected approach and the lessons learned so far. More precisely, a simulatorbased experiment was developed to provide the data for the later analyses and the identification of mathematical models suitable for that purpose. For this experiment, a roll tracking task is considered whose evaluation is based on both a qualitative (Cooper–Harper rating) and a quantitative criterion. The very encouraging results obtained so far on this scenario are detailed.

Item URL in elib:https://elib.dlr.de/70770/
Document Type:Article
Title:Optimization of the equivalent mechanical characteristics of active side sticks for piloting a controlled helicopter
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Nonnenmacher, DanielDaniel.Nonnenmacher (at) dlr.deUNSPECIFIED
Müllhäuser, MarioMario.Muellhaeuser (at) dlr.deUNSPECIFIED
Date:23 August 2011
Journal or Publication Title:CEAS Aeronautical Journal
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1007/s13272-011-0022-8
EditorsEmailEditor's ORCID iD
Keywords:Active side stick, Pilot model, Controlled helicopter, Force-feel characteristics, System identification, Flight controller mode
HGF - Research field:Aeronautics, Space and Transport
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: Nonnenmacher, Daniel Benjamin
Deposited On:30 Aug 2011 09:45
Last Modified:06 Sep 2019 15:24

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