White Papers
In-Vehicle Network Design Methodology
The complexity of in-vehicle networks puts the traditional design processes to a test. Last minute changes, difficult verification, testing, and similar issues add to the challenges. However, changing the design paradigm to a structured engineering process can lead to better, cheaper, and easier network designs. With the right tools to support such a process, the network design itself becomes as predictable as the communication on the bus, which is getting even more important with the advent of AUTOSAR. In this presentation, such a concept and its benefits for real designs are explained.
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Experimental Jitter Analysis in a FlexCAN-based Drive-by-Wire Automotive Application
This paper describes several experiments designed to characterize jitter in an actual automotive application designed using FlexCAN, a CAN-based communication architecture. Large and variable jitter has been a liability of the CAN protocol. The paper also explains how FlexCAN reduces jitter by using a simple message scheduling technique that synchronized with control system applications.