A linear accelerator sled system has been developed for use in the NASA/JSC Neuroscience Research laboratory. This system is used for Hoffman reflex studies with sinusoidal linear accelerations in order to investigate the use of this vestibular-modulated reflex in learning more about changes in the human vestibular system following spaceflight. The hardware for the system consists of a commercially available LSI-11 microcomputer and a custom-designed D.C. motor driven sled and control functions of the sled, including calibration and velocity control during a test run. The custom software also collects analog information from several channels during each test and stores it on flexible disks for later interactive analysis. Independent hardware continuously monitors for faults and rapidly stops the sled through a separate braking system if abnormalities occur. (
A microcomputer controlled linear accelerator system
Ein Mikrocomputer gestuertes lineares Beschleunigungssystem
1983
5 Seiten, 4 Bilder, 9 Quellen
Conference paper
English
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