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On the Acoustic Difference of Metal and Glass When Falling on an Impact Plate
Beteiligte Autor*innen der JOANNEUM RESEARCH:
Authors
Maly, Anna and Grebien, Stefan and Bradl, Hannes and Graf, Franz
Abstract:
We are interested in the separation of metal and mirror/glass components in recycling operations. Conventional
optical separation of glass/mirror and metal parts lacks accuracy due to the reflective properties of glass/mirror.
This is especially true for metal-coated mirrors, where even hyperspectral imaging fails. A cheap and effective
way to separate these materials is to drop the parts onto an impact plate and record the resulting sounds with
microphones. In this paper, we analyze the acoustic emissions from the impact of the materials mirror and metal.
The results should provide a basis for further processing of the data via machine learning.
Title:
On the Acoustic Difference of Metal and Glass When Falling on an Impact Plate
Publikationsreihe
Buchtitel
Proc. 11th Int. Conf. on Sustainbale Solid Waste Management
Address
Rhodes
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Jahr/Monat:
2024
/ June
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