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Piezoelectric Devices for Motion Detection in Direct Tire Pressure Monitoring
Technical Paper
2005-01-0458
ISSN: 0148-7191, e-ISSN: 2688-3627
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Language:
English
Abstract
Current direct tire pressure monitoring systems (TPMS) may require some form of motion sensing. This is used to alter operating strategies in order to save battery consumption and/or detect whether an under inflated tire is mounted in the spare location. These motion sensors are usually electro-mechanical switches or MEMS accelerometers which may have reliability and/or power consumption drawbacks. This paper will present how a piezoelectric transducer can be used for this purpose and it advantages in ruggedness, power consumption and cost for TPMS.
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Citation
Shaw, M., "Piezoelectric Devices for Motion Detection in Direct Tire Pressure Monitoring," SAE Technical Paper 2005-01-0458, 2005, https://doi.org/10.4271/2005-01-0458.Also In
Automotive Electronics on CD-ROM from the SAE 2005 World Congress
Number: SP-1980CD; Published: 2005-04-11
Number: SP-1980CD; Published: 2005-04-11
References
- Snyder, Al. “2003 Tire Guide,” 46 Bennett Garfield Publications 2003
- Bureau of Transportation Statistics National Personal Travel Survey 1995 http://wwwcf.fhwa.dot.gov/ohim/nptspage.htm
- Shaw, M.L. “Motion Sensing Techniques and Analysis for Direct Tire Pressure Monitoring,” SAE 2003-01-0202 2003
- Shaw, M.L. “Considerations to Improve Battery Life in Direct Tire Pressure Monitoring,” SAE 2002-01-1078 2002
- Cosin Consulting http://www.ftire.com
- ISO “Mechanical Vibration - Road Surface Profiles - Reporting of Measured Data,” 1995
- IRI http://www.umtri.umich.edu/erd/roughness/iri.html
- Shaw, M.L. “TPMS Motion Sensing Analysis Using PZT Sensors;” Sensor Design Report 18 Freescale Semiconductor, Inc 2005