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


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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