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- Physikingenieurwesen (PHY) (832) (remove)
Wie viel ist wenig? Untersuchung zur Quantifizierung physischer Inaktivität an Fahrerarbeitsplätzen
(2016)
We present our latest results on a refined unimorph deformable mirror which was developed in the frame of the ESA GSTP activity ”Enabling Technologies for Piezo-Based Deformable Mirrors in Active Optics Correction Chains”. The identified baseline concept with the soft piezoceramic material PIC151 successfully sustained all vibration requirements (17.8 gRMS random and 20 g sine) and shock testing (300 g SRS). We cover the mirror design development which reduces the stress in the brittle piezo-ceramic by 90 % compared to the design from
a former GSTP activity. We briefly address the optical characterization of the deformable mirror, namely the achieved Zernike amplitudes as well as the unpowered surface deformation (1.7 µm) and active flattening (12.3 nmRMS). The mirror produces low-order Zernike modes with a stroke of several tens of micrometer over a correction aperture of 50 mm, which makes the mirror a versatile tool for space telescopes.
Verloren im Ballungsraum Intensivstation - Kommunikation zwischen Mensch und Maschine im Krankenhaus
(2006)
Vergleichende Evaluation der ergonomischen Gestaltungsqualität von Gepäckförderbändern auf Flughäfen
(2007)
Usability: Unique Selling Point of Market Leaders, Basics for Safety and User´s Satisfaction
(2006)
Usability-Engineering - Eine Methodenübersicht zur anwendergerechten Gestaltung von Medizinprodukten
(2001)
Usability of Medical Devices
(2006)