Capacitive Acceleration Sensor for Vehicle Applications

Paper #:
  • 942260

Published:
  • 1994-11-01
Citation:
Reidemeister, E. and Johnson, L., "Capacitive Acceleration Sensor for Vehicle Applications," SAE Technical Paper 942260, 1994, https://doi.org/10.4271/942260.
Pages:
10
Abstract:
A low g acceleration sensor, developed for new vehicle control systems such as anti-lock braking (ABS), traction control, smart suspension, four-wheel steering, inclination, and misfire detection, is presented. Demand for improved vehicle system performance has increased the need for more accurate and reliable sensors. A combination of robust packaging, custom surface-mounted electronics, and metal beam capacitive sensing yields a cost-effective sensor suitable for these emerging vehicle systems. Integration of several basic production proven technologies has resulted in a novel sensor design capable of DC response and accurate operation over a wide temperature range. This paper describes the application, design, and performance of the sensor.
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