Fault Tolerant Networking of Squibs and Sensors in Advanced Passenger Restraint Systems

Paper #:
  • 980353

Published:
  • 1998-02-23
Citation:
Buehring, P., "Fault Tolerant Networking of Squibs and Sensors in Advanced Passenger Restraint Systems," SAE Technical Paper 980353, 1998, https://doi.org/10.4271/980353.
Author(s):
Pages:
7
Abstract:
The increased complexity of new adaptive passenger restraint systems requires the implementation of a serial communication network, which connects the squibs and sensors to a central electronic module. The requirements on such a safety-critical backbone include the tolerance to serious damage of the bus wires, which may occur also during the event of a crash.This paper describes the concept of an in-vehicle network, which combines economy, robustness and reliability with the exacting performance of high-speed multi-master communication. It needs only two wires for the distribution of power, data and clock in the system. The network offers real-time fault tolerance to all kind of wiring failures, which makes this system superior to all other concepts proposed for this application.
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