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Get FlexRay working effectively

Posted: 03 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:austriamicrosystems? FlexRay? ECUs?

When the FlexRay Consortium was founded in 2000, the target was to develop a fault tolerant high-speed automotive bus-system for the future requirements of in-vehicle communication. The amount of electronic control units (ECUs) in light vehicles within the last decade has dramatically increased. New technologies that address increasing message throughput provide reliable networking structures while offering flexibility are required.

Given that FlexRay is intended to be the next-generation automotive networking system, the target is to combine in one standard the best flexibility, stability, robustness, reliability and dependability.

In 2006 and 2007, FlexRay was introduced successfully into series production on a first scale and the trend will be rapid growth of new vehicle projects containing FlexRay networks.

FlexRay is designed as a very flexible, high speed and fault tolerant bus-system, which supports real-time operation with embedded event triggered functionality. FlexRay as a networking system in vehicles supports various types of network topologies at a data rate of 10Mbit/s. In automotive networks, such high bandwidth has not been achieved reliably before on standard unshielded copper cables. Optical fibers or shielded copper cables, where bandwidths beyond 10Mbit/s could be achieved, are unattractive due to high material and cable routing costs.

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