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Fulfilling the pedestrian protection directive using a long-wavelength infrared camera designed to meet both performance and cost targets
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2006 (English)In: Photonics in the Automobile II, 2006, Vol. 6198, 19809-19809 p.Conference paper, Published paper (Refereed)
Abstract [en]

Pedestrian fatalities are around 15% of the traffic fatalities in Europe. A proposed EU regulation requires the automotive industry to develop technologies that will substantially decrease the risk for Vulnerable Road Users when hit by a vehicle. Automatic Brake Assist systems, activated by a suitable sensor, will reduce the speed of the vehicle before the impact, independent of any driver interaction. Long Wavelength Infrared technology is an ideal candidate for such sensors, but requires a significant cost reduction. The target necessary for automotive serial applications are well below the cost of systems available today. Uncooled bolometer arrays are the most mature technology for Long Wave Infrared with low-cost potential. Analyses show that sensor size and production yield along with vacuum packaging and the optical components are the main cost drivers. A project has been started to design a new Long Wave Infrared system with a ten times cost reduction potential, optimized for the pedestrian protection requirement. It will take advantage of the progress in Micro Electro-Mechanical Systems and Long Wave Infrared optics to keep the cost down. Deployable and pre-impact braking systems can become effective alternatives to passive impact protection systems solutions fulfilling the EU pedestrian protection regulation. Low-cost Long Wave Infrared sensors will be an important enabler to make such systems cost competitive, allowing high market penetration.

Place, publisher, year, edition, pages
2006. Vol. 6198, 19809-19809 p.
Series
PROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, ISSN 0277-786X
Keyword [en]
infrared bolometer, infrared imaging, automotive safety, pedestrian injury mitigation systems, Brake Assist, system, GASIR, low-cost optics, MEMS, SiGe, quantum-well structure
Identifiers
URN: urn:nbn:se:kth:diva-24777DOI: 10.1117/12.663152ISI: 000239007200014Scopus ID: 2-s2.0-33747653003OAI: oai:DiVA.org:kth-24777DiVA: diva2:355350
Conference
Conference on Photonics in the Automobile II Strasbourg, FRANCE, APR 06, 2005
Note
QC 20101006Available from: 2010-10-06 Created: 2010-09-27 Last updated: 2010-10-06Bibliographically approved

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Niklaus, FrankStemme, Göran

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