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The Force is With You - The Apparent Vertical Filter Concept

Seehof, Carsten and Buch, Jan-Phillipp and Raab, Christian (2017) The Force is With You - The Apparent Vertical Filter Concept. AVIATION 2017, Motion Simulation Technologies Conference, 05.-09. Juni 2017, Denver, CO.

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Abstract

Supplying aircraft pilots with adequate motion cues in flight simulators is still an important issue. The main problem is the limited space envelope of motion systems that makes an ideal replication of accelerations impossible. As a consequence those translational acceleration signals cannot be provided directly and need to be transformed to angular attitudes or scaled down depending on the time in which they appear. State-of-the-art motion drive algorithms like the classic washout filter algorithm are using sets of high- and low-pass filters in combination with gain factors to achieve such a response. But those control methods do not distinguish between the causes of accelerations with respect to flight maneuvers. The Apparent Vertical Filter developed by the German Aerospace Center provides a different approach to this problem. The current paper gives an overview of how the problem of false motion cues could be adessed within a number of idealized maneuvers. As an example the filter input data of a coordinated turn maneuver will be defined. The constraints of current filter methods using the classic washout filter will be discussed. The paper gives an overview of how the apparent vertical filter deals with the problem and how it is structured. Finally, the responses of both filter methods, the AVF anf the CWA, to aircraft model data are compared.

Item URL in elib:https://elib.dlr.de/112670/
Document Type:Conference or Workshop Item (Speech)
Title:The Force is With You - The Apparent Vertical Filter Concept
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Seehof, Carstencarsten.seehof (at) dlr.deUNSPECIFIED
Buch, Jan-Phillippjan-philipp.buch (at) dlr.deUNSPECIFIED
Raab, Christianchristian.raab (at) dlr.deUNSPECIFIED
Date:6 June 2017
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Motion Cueing, Motion Drive Algorithm, Motion Simulation, Apparent Vertical Filter
Event Title:AVIATION 2017, Motion Simulation Technologies Conference
Event Location:Denver, CO
Event Type:international Conference
Event Dates:05.-09. Juni 2017
Organizer:AIAA
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Seehof, Carsten
Deposited On:13 Jun 2017 16:24
Last Modified:31 Jul 2019 20:10

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