EAG has established product reliability test processes. In this example we inspect a Bluetooth speaker using Accelerated Testing.
Test plan definition (define CtQ & pass-fail criteria) => experimental phase => data analysis
Reliability of a Bluetooth speaker
Exploratory experiments from field data showed that this speaker is sensitive
to mechanical forces (dropping) and to the combination of humidity and high
temperature when switched on
Non-operational drop tests at 3 heights and operational damp-heat storage tests at 3 heights
Drop test 30 – 60 – 100 cm
Damp-heat test 40°C/90%RH – 50°C/50%RH – 60°C/90%RH
Same approach as for product testing. Often no clear pass/fail criteria available because of progressive degradation
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