Browse Publications Technical Papers 2004-01-0210
2004-03-08

Automotive Sensors & Sensor Interfaces 2004-01-0210

The increasing legal requirements for safety, emission reduction, fuel economy and onboard diagnosis systems push the market for more innovative solutions with rapidly increasing complexity. Hence, the embedded systems that will have to control the automobiles have been developed at such an extent that they are now equivalent in scale and complexity to the most sophisticated avionics systems.
This paper will demonstrate the key elements to provide a powerful, scalable and configurable solution that offers a migration pass to evolution and even revolution of automotive Sensors and Sensor interfaces. The document will explore different architectures and partitioning. Sensor technologies such as magnetic field sensors based on the hall effect as well as bulk and surface silicon micro machined sensors will be mapped to automotive applications by examples. Functions such as self-test, self-calibration and self-repair will be developed. Possible migration to lower voltage (5V to 3,3V) will be investigated. In this context the document will also propose sensors interfaces to ease the signal conditioning inside the ECU. An insight of sensor busses will be performed to provide a picture of sensor networks.

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