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Capacitive sensors for process control in industrial marble machines

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6 Author(s)
Sergio Saponara ; Dip. di Ingegneria dell'Informazione: Elettronica, Informatica, Telecomunicazioni, Università di Pisa, via Caruso 16, I-56122, Pisa, Italy ; Fabrizio Iacopetti ; Andrea Carrafiello ; Elisa Valentini
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The paper presents the design of capacitive sensors for process control in marble industry, particularly for the contact-less detection of the presence of stone samples under the abrasive/cutting heads in an industrial machine. Different types of sensors are proposed whose performances have been assessed through experimental test campaigns considering real working conditions. Compared to state-of-art sensors the proposed solutions (capacitive sensors plus front-end circuitry) allow for a reliable detection while being of low complexity and robust to harsh environment conditions.

Published in:

Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications, 2009. IDAACS 2009. IEEE International Workshop on

Date of Conference:

21-23 Sept. 2009