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Automatic Landing Detection of Helicopters Equipped with Landing Skid

Greiser, Steffen and Lantzsch, Robin and Buschbaum, Andreas and Böhm, Valter (2011) Automatic Landing Detection of Helicopters Equipped with Landing Skid. In: Proceedings. American Helicopter Society International, Inc.. American Helicopter Society 67th Annual Forum, 3.-5. May 2011, Virginia Beach, VA, USA.

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A major characteristic of helicopters is their vertical takeoff and landing ability. To improve the assistance for helicopter pilots for these manoeuvres especially in poor visibility, landing is detected and the event is dis-played. In this paper, automatic landing detection refers to the event that touchdown of a helicopter is achieved. To realise automatic landing detection, the ground contact of the landing skid has to be detected reliably. Here, DLR’s Flying Helicopter Simulator FHS is used as testbed. The deformation of the landing skid of the FHS can be measured by means of strain gauges. Based on flight tests, a stochastic model of the measured strain gauge signals is derived and based on that an algorithm for landing detection is designed. The parameters of the algorithm are adjusted by means of a Monte Carlo simulation. The determined parameter set is then used in flight tests where the computed landing state of each edge of the landing skid is displayed to the pilot. Based on several landings on asphalt and on grass the landing detection is rated by helicopter pilots to be helpful.

Item URL in elib:https://elib.dlr.de/69168/
Document Type:Conference or Workshop Item (Speech)
Title:Automatic Landing Detection of Helicopters Equipped with Landing Skid
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:3 May 2011
Journal or Publication Title:Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Publisher:American Helicopter Society International, Inc.
Keywords:Monte Carlo method, automatic landing, helicopter
Event Title: American Helicopter Society 67th Annual Forum
Event Location:Virginia Beach, VA, USA
Event Type:international Conference
Event Dates:3.-5. May 2011
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
Institute of Flight Systems > Flight Test Instrumentation and Support
Deposited By: Greiser, Steffen
Deposited On:30 Jun 2011 11:33
Last Modified:30 Jun 2011 11:33

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