Commit 00276ec6 authored by Sam Calisch's avatar Sam Calisch
Browse files


parent 66957352
This is documentation for impact testing infrastructure, intended to measure peak acceleration and energy return of foam samples.
pcb/ contains design files for an embedded logging system using the ADXL372Z accelerometer.
The specs for the test are a mass of 7.8 kg, traveling at 1 m/s, with an circular impact area of diameter of 4 cm.
<img src='impactor/release-design.png' height=250px>
<img src='pcb/impact-logger-layout.png' height=250px>
<img src='video/tracker.png' height=250px>
<a href=''>impactor/</a> contains design files for a release mechanism for the mass. This is built around a solenoid and a push-button quick release pin (90985A311 from McMaster-Carr).
<a href=''>pcb/</a> contains design files and firmware for an embedded logging system using the ADXL372Z accelerometer.
<a href=''>video/</a> contains details of video analysis of the drop test. For now, this is implemented with a Sony RX-100 IV camera shooting at 960 fps and the free software <a href=''>Tracker</a> to analyze acceleration profiles.
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