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DEVELOPMENT AND TESTING OF A SURROGATE UNMANNED AIRCRAFT FOR CREW TRAINING AND EVALUATION OF FLIGHT TEST PROCEDURES FOR A HIGH-ALTITUDE PLATFORM

Voigt, Andreas and Laubner, Martin and Kracke, Lennart Felix and Hasan, Yasim Julian (2023) DEVELOPMENT AND TESTING OF A SURROGATE UNMANNED AIRCRAFT FOR CREW TRAINING AND EVALUATION OF FLIGHT TEST PROCEDURES FOR A HIGH-ALTITUDE PLATFORM. DLRK 2023, 2023-09-19 - 2023-09-21, Stuttgart, Deutschland.

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Abstract

The German Aerospace Center (DLR) is currently developing a solar-powered high-altitude platform (HAP) in the context of the DLR-internal project HAP-alpha. The project addresses the complete development process of the aircraft, from conceptual studies and detailed design up to its construction, flight test campaigns, and the final operation procedures. Generally, HAPs are in terms of flight characteristics and flight performance unconventional due to their highly flexible structure, extremely low weight, and high glide ratio. Furthermore, the flight test of such a highly fragile aircraft poses significant challenges in terms of flight test procedures, system identification maneuvers as well as the Beyond Visual Line of Sight (BVLOS) operation. Therefore, a surrogate aircraft was developed to train the crew and evaluate suitable flight test procedures. This surrogate aircraft is a highly modified commercial off-the-shelf (COTS) radio controlled (RC) sail plane. The aircraft features a flight controller to approximate the maneuverability and flight performance of the HAP and a FirstPerson View (FPV) system comparable to the HAP. The surrogate aircraft is modified to have a comparable engine arrangement to that of the HAP, and the controller is tuned such that similar angular rates, and climb performances are obtained. In this paper the design considerations, development tests and a brief overview of the crew training is given. In addition, the results of flight tests are presented. These include a general feasibility test of performing system identification maneuvers with the aircraft and a test dealing with turning flight in HAP mode.

Item URL in elib:https://elib.dlr.de/198895/
Document Type:Conference or Workshop Item (Speech)
Title:DEVELOPMENT AND TESTING OF A SURROGATE UNMANNED AIRCRAFT FOR CREW TRAINING AND EVALUATION OF FLIGHT TEST PROCEDURES FOR A HIGH-ALTITUDE PLATFORM
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Voigt, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Laubner, MartinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kracke, Lennart FelixUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hasan, Yasim JulianUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Date:20 September 2023
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:High-Altitude Platform, HAP, flight test, crew training
Event Title:DLRK 2023
Event Location:Stuttgart, Deutschland
Event Type:international Conference
Event Start Date:19 September 2023
Event End Date:21 September 2023
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Unmanned Aerial Systems
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems
Institute of Flight Systems > Unmanned Aircraft
Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Voigt, Andreas
Deposited On:22 Nov 2023 14:10
Last Modified:24 Apr 2024 20:59

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