Browse Publications Technical Papers 2020-01-1293
2020-04-14

State of the Art Survey on Comparison of CAN, FlexRay, LIN Protocol and Simulation of LIN Protocol 2020-01-1293

Controller area network (CAN), FlexRay and local interconnect network (LIN) digital protocols are commonly used for communication in modern vehicles. A modern vehicle contains up to 70 electronic control units. This paper is a literature review of these protocols. We have also implemented LIN protocol. The communication cycle, process, message structure, and hardware elements are discussed for all three protocols. Performance is measured in terms of reliability and latency. In addition, a comparison between the CAN, FlexRay and LIN protocols is made. Experimental results indicate that CAN protocol has advantages when it comes to real-time priority-based communication. However, if all the events have equal priority, then FlexRay works well. The LIN protocol is budget friendly and has lowest cost in all 3 protocols but at the same time it is unreliable.

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