Patent
Diagnostics for vehicle deformation sensor system
Myron Ihor Senyk,Paul K. Zoratti +1 more
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TLDR
In this paper, a sensor system for detecting impacts to a vehicle, including diagnostics for monitoring the sensor system, is described, which includes one or more piezoelectric sensor assemblies.Abstract:
A sensor system for detecting impacts to a vehicle, including diagnostics for monitoring the sensor system. The sensor system includes one or more piezoelectric sensor assemblies (42), each including a coaxial piezoelectric cable (44) contained within a tube housing (54), which is mounted to a structural member of the vehicle. The sensor system may also include accelerometers (36, 38) that are also in communication with the restraints control module (40) and employed in combination with one or more piezoelectric sensor assemblies (42). Further, the sensor system includes diagnostics for monitoring one or more of the sensor assemblies (42) in order to detect a sensor failure, while not interfering with the impact signals from the sensor assemblies (42).read more
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TL;DR: In this paper, a system and method for identifying speeding violations is proposed, comprising determining a current speed and a current location of a vehicle, determining a posted speed limit for the current location from a speed-by-street database, comparing the current speed of the vehicle to the posted speed, and evaluating whether the current speeding exceeds the posted limit.
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References
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Patent
Apparatus and method for monitoring vehicular impacts using magnetostrictive sensors
TL;DR: The magnetostrictive sensors are structurally simple and mounted to integral elements of the vehicle by adhesive or mechanical attachment as discussed by the authors, which provides the opportunity to recognize and react to impact conditions within a significantly reduced time-frame.
Patent
Control unit with an air pressure detector for a vehicle passenger protection system
Josef Dirmeyer,Heinrich Probst,Peter Bauer,Robert Gruber,Gerhard Mader,Manfred Frimberger,Lorenz Pfau +6 more
TL;DR: In this article, a control assembly for a passenger protection system of a vehicle which is tripped upon the occurrence of a side impact traffic accident is described, where the control assembly has at least one detector adapted to detect a pressure rise in a hollow body.
Patent
Electric signalling in a supplemental passenger restraint system
TL;DR: In this article, a horn or other electrical sccessory is actuated by a flexible, pressure sensitive electric signal generating means such as a piezoelectric element, provided in the soft, flexible cover of a vehicle driver's side supplemental restraint system.
PatentDOI
Acoustic emission automotive crash sensor
TL;DR: An acoustic emission automotive crash sensor arrangement which includes a continuous loop type wave guide welded at a number of locations to the vehicle structures likely to be deformed upon impact of the vehicle with an object is described in this article.
Patent
Vibration monitor and monitoring method
Atsushi Irie,Kiyotoshi Okura,Atsushi Osada,Morita Yoshiyuki,Hidenobu Umeda,Yukio Ogawa,Furusawa Koichi,Naoki Fujimoto +7 more
TL;DR: In this article, the authors proposed a monitoring algorithm that can correctly distinguish normal from abnormal vibration using automatically selected monitoring features and algorithms, which can be used with a variety of devices with different vibration characteristics.