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Combined Feedback and LIDAR-Based Feedforward Active Load Alleviation

Fezans, Nicolas and Joos, Hans-Dieter (2017) Combined Feedback and LIDAR-Based Feedforward Active Load Alleviation. AIAA Aviation 2017 - Atmospheric Flight Mechanics Conference, 5.-9. Jun. 2017, Denver, CO, USA. DOI: 10.2514/6.2017-3548

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Official URL: https://arc.aiaa.org/doi/pdfplus/10.2514/6.2017-3548


This paper presents a combined feedback and feedforward active load alleviation system and its associated design and tuning methodology. The feedback part is strongly structured and its robust performance across the flight envelope is ensured by the use of a multi-model and multi-objective controller design approach. The feedforward function is based on a Doppler LIDAR sensor and the processing of the measurements as well as their physical interpretation combines various ideas from the system identification, the signal processing, and the control design domains. The proposed solution remains very easy to use and tune, thanks to a limited number of parameters that can easily be interpreted physically and that exhibit only very little and very predictable couplings. The performance and behavior of the active load alleviation functions is shown extensively based on a representative flexible long range aircraft model (based on the Airbus XRF1 configuration).

Item URL in elib:https://elib.dlr.de/113994/
Document Type:Conference or Workshop Item (Speech)
Title:Combined Feedback and LIDAR-Based Feedforward Active Load Alleviation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Fezans, Nicolasnicolas.fezans (at) dlr.dehttps://orcid.org/0000-0003-4351-3474
Joos, Hans-Dieterdieter.joos (at) dlr.deUNSPECIFIED
Date:6 June 2017
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2514/6.2017-3548
Keywords:Gust Load Alleviation, Feedforward, LIDAR, Multi-Objective, XRF1
Event Title:AIAA Aviation 2017 - Atmospheric Flight Mechanics Conference
Event Location:Denver, CO, USA
Event Type:international Conference
Event Dates:5.-9. Jun. 2017
Organizer:American Institute of Aeronautics and Astronautics (AIAA)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics, L - Laser Research and Technology
Location: Braunschweig , Oberpfaffenhofen
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Fezans, Nicolas
Deposited On:19 Dec 2017 15:01
Last Modified:31 Jul 2019 20:11

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