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Cancellation of Unknown Angular Rate Effects in Linear G Sensitivity Testing for Angular Rate Sensors
Technical Paper
2000-01-0056
ISSN: 0148-7191, e-ISSN: 2688-3627
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Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
A method of canceling unknown angular rate effects in impact immunity measurement for angular rate sensors is presented. A pair of the same type of testing sensors is arranged such that the sensing axes of the sensor pair are 180° out of phase. While an angular rate produces anti-phase component in the sensor outputs, a linear acceleration produces in-phase response from the sensors due to similar mechanical symmetry. This phase difference is used to cancel the angular rate component even though the actual angular rate may still be unknown. This cancellation can be derived from the sensor output transfer function and is supported with our experimental data.
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Citation
Kong, H. and Betts, A., "Cancellation of Unknown Angular Rate Effects in Linear G Sensitivity Testing for Angular Rate Sensors," SAE Technical Paper 2000-01-0056, 2000, https://doi.org/10.4271/2000-01-0056.Also In
SAE 2000 Transactions Journal of Passenger Cars - Mechanical Systems
Number: V109-6; Published: 2001-09-15
Number: V109-6; Published: 2001-09-15
References
- Kong Henry Wallner, Ed SAE Technical Paper # 1999-01-0430 “automotive Rollover Angular Rate Sensors and Evaluation” 1999
- Ichinose Toshihiko et al. SAE Technical Paper # 1999-01-0934 “Quartz Angular Rate Sensor for Automotive Application” 1999
- Johnson, J. D. Zarabadi, S. Z. Sparks, D. R. SAE Technical Paper # 950538 “Surface Micromachined Angular Rate Sensor” 1995
- Soderkvist, J. Sensors and Actuators A 65071 “Micromachined Gyroscopes” 1994