In-Vehicle Data Bus Systems - The Key for New Concepts in Comfort and Convenience Electronics

Paper #:
  • 960121

Published:
  • 1996-02-01
Citation:
Voss, W. and Butscher, K., "In-Vehicle Data Bus Systems - The Key for New Concepts in Comfort and Convenience Electronics," SAE Technical Paper 960121, 1996, https://doi.org/10.4271/960121.
Pages:
11
Abstract:
In 1991 the first premium passenger cars with CAN data bus technology in powertrain electronics came to market. Development of in-vehicle network concepts for comfort and convenience electronics on the basis of a standardized CAN protocol started in the same year.As a result, in-vehicle data bus technology is now in series production since early 1995 with four nodes in a 40 Kbps network which will be upgraded to more than 10 participants for MY 98 vehicles. Car manufacturer's design goals of wiring harness reduction (20 %) and cost reduction (10 %) have been fulfilled. In addition, new features like anti-theft and immobilization easily can be implemented by use of data-bus technology in combination with a gateway between class B an class C networks.Finally, the paper will describe the limits of today's network topology on the basis of current chip technology. System chip design and sensor/actuator integration will be a need to overcome today's net-work limitations.
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