ACT/FHS ex­per­i­men­tal sys­tem

Experimental system
Ex­per­i­men­tal sys­tem
Image 1/4, Credit: DLR (CC-BY 3.0)

Experimental system

The ACT/FHS ex­per­i­men­tal sys­tem con­sists of sev­er­al com­put­er sys­tems, ex­ten­sive ex­per­i­men­tal sen­sor tech­nol­o­gy and two op­er­at­ing sta­tions for the crew.
Fly-by-wire/fly-by-light
Fly-by-wire/fly-by-light
Image 2/4, Credit: © DLR. All rights reserved

Fly-by-wire/fly-by-light

The Fly­ing He­li­copter Sim­u­la­tor (ACT/FHS) has a fly-by-wire/fly-by-light con­trol sys­tem. The ACT/FHS can be com­put­er-con­trolled with full au­thor­i­ty and sim­u­late the flight be­haviour of oth­er he­li­copters.
Modular experimental system
Mod­u­lar ex­per­i­men­tal sys­tem
Image 3/4, Credit: DLR (CC-BY 3.0)

Modular experimental system

The Fly­ing He­li­copter Sim­u­la­tor (ACT/FHS) is equipped with a mod­u­lar ex­per­i­men­tal sys­tem. The he­li­copter al­so has space for the in­te­gra­tion of cus­tomer sys­tems.
Ground station
Ground sta­tion
Image 4/4, Credit: DLR (CC-BY 3.0)

Ground station

Flight ex­per­i­ments with the ACT/FHS are mon­i­tored from the ground sta­tion. It is used to trans­mit mea­sure­ment, au­dio and video da­ta to ex­per­i­menters on the ground and to dis­play da­ta in re­al time.

With a range of features including signal acquisition and distribution, data storage and telemetry, experimental control and displays, the German Aerospace Center (DLR) Active Control Technology / Flying Helicopter Simulator (ACT/FHS) test facility enables the preparation and execution of flight tests with the ACT/FHS helicopter. To prepare for flight testing, a duplicate of the system is first 'flown' in the AVES simulator. Flight tests are closely monitored in a ground station via telemetry link to the helicopter. The flown data is available for evaluation one hour after the flight and is archived.

Thanks to flexible architecture and simple interfaces, new software such as novel controllers from MATLAB/Simulink can be easily integrated. Owing to a risk-free hierarchical system architecture, a check in the simulator is all that is required before flight testing. Basic services ensure that such software is provided with all required data; commands are issued to the flight controls, and data is stored, transmitted to the ground and displayed in the cockpit. As a design organisation approved by the LBA and EASA, DLR is authorised to make experimental modifications to the ACT/FHS aircraft and to release them.

With the ACT/FHS experimental system, DLR provides a flexible and safe test environment for flight testing.

Contact
  • Volker Speelmann
    Head of Cen­tral Ex­pen­di­ture Man­age­ment
    Ger­man Aerospace Cen­ter (DLR)
    Telephone: +49 2203 601-4103
    Fax: +49 2203 601 4115
    Linder Höhe
    51147 Cologne
    Contact
  • Carl-Henrik Oertel
    Ger­man Aerospace Cen­ter (DLR)
    In­sti­tute of Flight Sys­tems
    Telephone: +49 531 295-2710
    Lilienthalplatz 7
    38108 Braunschweig
    Contact

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