Bernd de Graaf's research while affiliated with Desdemona and other places

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Publications (2)

Reality versus simulation centrifuge cueing
G-profile prediction ans cabin coordination
Trajectory and simulator view
Conventional centrifuge axis conventions
+5 COHAM method
Mitigating Coriolis Effects in Centrifuge Simulators Through Allowing Small, Unperceived G-Vector Misalignments
Preprint
Full-text available
  • Feb 2022
When coupled with additional degrees of freedom, centrifuge-based motion platforms can combine the agility of hexapod-based platforms with the ability to sustain higher G-levels and an extended motion space, required for simulating extreme maneuvers. However, the false and often nauseating sensations of rotation, by Coriolis effects induced by the...
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COHAM method illustration
Coherent Alignment Zone (CAZ) illustration
Validated CAZ region and trend
Orientation of the subject in the simulator during G-cueing.
Mitigating the Coriolis Effect in Human Centrifuges by coherent G-misalignment
Conference Paper
Full-text available
  • Jan 2019
When coupled with additional degrees of freedom, centrifuge-based motion platforms can combine the agility of an hexapod-based motion platform with the ability of sustaining higher G- levels and an extended motion space. This combination of motion characteristics is required for realistic simulation of extreme flight scenarios. However, a false and...
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Citations

... The positive (upward) and negative (downward) limits of the mismatch are determined by the hypothetical Coherent Alignment Zone (CAZ), defined as a region where the deviation from the correct cabin angle is still perceived as coherent and consistent by pilots. Details on how this CAZ zone is determined are discussed in Mkhoyan et al. [36], only the main results will be discussed here. ...
Reference: Mitigating Coriolis Effects in Centrifuge Simulators Through Allowing Small, Unperceived G-Vector Misalignments
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