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Large area piezoelectric impact sensors
Johannes Kepler University, Austria.
Fraunhofer-Institut für Silicatforschung ISC, Germany.
Institute of Surface Technologies and Photonics, Austria.
Institute of Surface Technologies and Photonics, Austria.
Vise andre og tillknytning
2012 (engelsk)Inngår i: Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, 2012, s. 681-683, artikkel-id 6378872Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Printed electronics is an active area of research which enables production of electrical devices on various substrates. The use of highly insulating materials and the employment of dielectric phenomena based on the piezo- and pyroelectric effect in polar insulators promise large area sensors useful in protection sensor systems to save pedestrians. In this paper we propose a car safety system based on printed piezo- and pyroelectric sensors. Their use in pedestrian saving systems is exemplified by a toy-car-demonstrator. The sensors are based on ferroelectric polymers, printed on flexible PET substrates. The piezoelectric coefficients of the printed ferroelectric polymer film are typically 25 pC/N, sufficient for impact detection in car crash situations. The sensor speed is very fast, enabling efficient protection mechanisms to safe the life of pedestrians. The simple and potentially low cost fabrication is advantageous in comparison to systems currently available on the market.

sted, utgiver, år, opplag, sider
2012. s. 681-683, artikkel-id 6378872
Emneord [en]
Active area, Car crashes, Dielectric phenomena, Efficient protections, Electrical devices, Ferroelectric polymers, Impact detection, Impact sensors, Large area sensors, Low cost fabrication, PET substrate, Piezoelectric coefficient, Printed electronics, Pyroelectric effect, Pyroelectric sensors, Sensor systems, Various substrates, Accidents, Automobile manufacture, Electric insulation, Piezoelectricity, Polyethylene terephthalates, Substrates, Sensors
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Identifikatorer
URN: urn:nbn:se:ri:diva-51155DOI: 10.1109/CEIDP.2012.6378872Scopus ID: 2-s2.0-84872057849OAI: oai:DiVA.org:ri-51155DiVA, id: diva2:1514392
Konferanse
2012 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2012, 14 October 2012 through 17 October 2012, Montreal, QC
Tilgjengelig fra: 2021-01-05 Laget: 2021-01-05 Sist oppdatert: 2021-01-07bibliografisk kontrollert

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