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Pilot Assistance for Helicopter Slung Loads

Keßler, Christoph (2009) Pilot Assistance for Helicopter Slung Loads. Meeting of the SAE Aerospace Control and Guidance System Commitee, 2009-02-25 - 2009-02-27, Seattle, Washington.

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Kurzfassung

Slung load operation offers wide spectrum of scenarios, ranging from simple transport of bulky goods to rescue of people in mountains or from ships in distress. Some of the external loads are simple bluff bodies, others have an aerodynamically sensitive shape. The transport of external load requires intensive training and exercising of the pilots. The problem is the lack of appropriate cues and situation awareness if the load starts oscillating. Swinging helicopter external slung loads often lead to dangerous situations which not only can result in a total loss of the load itself but also can endanger the helicopter and its crew. Therefore, DLR and its partner iMAR have developed a Flight Director to assist the pilot during slung load transport. The flight director aims at providing the pilot with a convenient aid he intuitively can use to effectively damp the load pendulum motion and to allow manoeuvring without exciting oscillatory load modes. The development of a demonstrator system for the DLR BO105 helicopter is outlined. Flight test results using a stable as well as a marginally stable load are shown. Based on the good experience gathered with the demonstrator system, a 2nd generation flight director has been developed for the large cargo helicopter CH53G. The design and development of this improved flight director system is described in detail. In addition, corresponding flight test results are presented. The paper clearly shows the capability of the flight director to assist the pilot in damping swinging loads very quickly. In addition, it is shown, that the flight director is also capable in expanding the flight envelope for slung load transport. Pilots rated the flight director not only to reduce workload, but also to improve situation awareness.

elib-URL des Eintrags:https://elib.dlr.de/59337/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Pilot Assistance for Helicopter Slung Loads
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Keßler, Christophchristoph.kessler (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:Februar 2009
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:Helicopter Slung Load, Pilot Assistance
Veranstaltungstitel:Meeting of the SAE Aerospace Control and Guidance System Commitee
Veranstaltungsort:Seattle, Washington
Veranstaltungsart:Konferenz
Veranstaltungsbeginn:25 Februar 2009
Veranstaltungsende:27 Februar 2009
Veranstalter :Aerospace Control and Guidance Systems Committee
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Luftfahrt
HGF - Programmthema:Drehflügler (alt)
DLR - Schwerpunkt:Luftfahrt
DLR - Forschungsgebiet:L RR - Drehflüglerforschung
DLR - Teilgebiet (Projekt, Vorhaben):L - Der intelligente Drehflügler (alt)
Standort: Braunschweig
Institute & Einrichtungen:Institut für Flugsystemtechnik > Hubschrauber
Hinterlegt von: Keßler, Christoph
Hinterlegt am:15 Jul 2009 11:05
Letzte Änderung:24 Apr 2024 19:24

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