SWOV Catalogus


Sensor systems : what is achievable today and in the near future? - overview on technologies : radar, video, IR.
C 34294 (In: C 34286) /91 / ITRD E126790
Spies, H. & Spies, M.
In: Proceedings of the 6th international symposium and exhibition on sophisticated car occupant safety systems - Airbag 2002 - held Karlsruhe, Germany, December 2002, p. 8.1-8.24, 11 ref.

Samenvatting This paper describes the working of three basic types of pre-crash sensor system: radar, video and infra-red (IR) or lidar. Radar is usually a single beam system operating on a pulse sent and received. More powerful systems use three to five beams behind a projecting lens. Video systems need additional illumination: systems available employ object identification to give position and distance using one or two receivers. IR systems use a short light pulse which is reflected from the object, in a single- or multi- channel system. Examples of sensor systems are given. Future applications of pre-crash sensors could be in airbag deployment only at certain speeds with a trigger delay, and in the use of safety actuators to avoid the collision. For the covering abstract see ITRD E126782.
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