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GRATE II Implementation of a ground deployed system for the evaluation of handling qualities

Einsiedel, Frank (2007) GRATE II Implementation of a ground deployed system for the evaluation of handling qualities. DLR-Interner Bericht. DLR-IB 111-2007/49. 19 S.

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Precise target tracking during ground attacks is an extremely demanding task and therefore, excellent handling qualities are required. In order to facilitate a safe, repeatable, precise, high gain task during simulated ground attack manoeuvres, a ground-based, variable target system termed GRATE II (Graound Attack Test Equipment II), emulating the ground attack flight phase was jointly developed by the German Aerospace Center (Instiute of Flight Systems) and WTD 61. The intention is to utilize this tool for investigations of air-to-surface handling qualities in a realistic, operationally relevant environment. This method employs an array of lighted targets which are placed at predefined positions on the ground. During a prolonged dive attack, the lights are illuminated in a predefined sequence. The task for the pilot consists of acquiring and tracking the respective lighted target expeditiously and precisely until the next target is illuminated. The pilot is forced to react continuously using a high gain piloting technique and thus excite the closed-loop pilot-aircraft-system over a wide frequency and amplitude range. This report gives a detailed description of the installation and the functionality of the system.

Item URL in elib:https://elib.dlr.de/51756/
Document Type:Monograph (DLR-Interner Bericht)
Title:GRATE II Implementation of a ground deployed system for the evaluation of handling qualities
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:28 September 2007
Refereed publication:No
Open Access:No
Number of Pages:19
Keywords:GRATE II, Implementation, ground deployed system, evaluation of handling qualities, ATLAS
HGF - Research field:other
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems & Cabin (old)
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Aircraft
Deposited On:28 Jan 2008
Last Modified:27 Apr 2009 14:28

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