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Distance Corrected Capacitive Sensors for Advanced Air Bag Applications
Technical Paper
2003-01-0508
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The Federal Motor Vehicle Safety Standards No 208 now includes directives rendering the morphological estimation of passengers mandatory for Advanced Air Bag systems. The Dynamic Automatic Suppression System, which is part of the advanced air bag system uses both the morphological and positional information about the passenger to allow or prevent air bag deployment. Various solutions have been proposed to obtain these information by using for instance capacitive sensors. The response of this kind of sensors depends drastically on their distance from the passenger. This paper presents a method, now implemented in the BIOVOLUME technology developed by Faurecia in partnership with Hitachi computer products, to render those sensors independent from this distance.
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Authors
- Jérôme Lucas - Laboratoire d'Electricité Générale, Ecole Supérieure de Physique et de Chimie Industrielles
- Christophe Batis - Laboratoire d'Electricité Générale, Ecole Supérieure de Physique et de Chimie Industrielles
- Stéphane Holé - Laboratoire des instruments et systèmes d'île de France, Université Pierre et Marie Curie
- Thierry Ditchi - Laboratoire des instruments et systèmes d'île de France, Université Pierre et Marie Curie
- Claude Launay - Hitachi Computer Products
- Joaquim Da Silva - Hitachi Computer Products
- Hervé Dirant - Faurecia
- Laurent Chabert - Faurecia
- Marc Pajon - Faurecia
Citation
Lucas, J., Batis, C., Holé, S., Ditchi, T. et al., "Distance Corrected Capacitive Sensors for Advanced Air Bag Applications," SAE Technical Paper 2003-01-0508, 2003, https://doi.org/10.4271/2003-01-0508.Also In
SAE 2003 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V112-6; Published: 2004-09-15
Number: V112-6; Published: 2004-09-15
References
- Jinno Kazunori Ofuji Masahiro Saito Takashi Sekido Saikichi “Occupant sensing utilizing perturbation of electric fields” Paper Number 971051 1997 Society of Automotive Engineers, Inc.
- “Electrostatique Problème généraux conducteurs” 152 156 1966 ie