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http://dx.doi.org/10.5302/J.ICROS.2010.16.10.1018

A Study on Distributed Message Allocation Method of CAN System with Dual Communication Channels  

Kim, Man-Ho (Pusan National University)
Lee, Jong-Gap (Pusan National University)
Lee, Suk (Pusan National University)
Lee, Kyung-Chang (Pukyong National University)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.16, no.10, 2010 , pp. 1018-1023 More about this Journal
Abstract
The CAN (Controller Area Network) system is the most dominant protocol for in-vehicle networking system because it provides bounded transmission delay among ECUs (Electronic Control Units) at data rates between 125Kbps and 1Mbps. And, many automotive companies have chosen the CAN protocol for their in-vehicle networking system such as chassis network system because of its excellent communication characteristics. However, the increasing number of ECUs and the need for more intelligent functions such as ADASs (Advanced Driver Assistance Systems) or IVISs (In-Vehicle Information Systems) require a network with more network capacity and the real-time QoS (Quality-of-Service). As one approach to enhancing the network capacity of a CAN system, this paper introduces a CAN system with dual communication channel. And, this paper presents a distributed message allocation method that allocates messages to the more appropriate channel using forecast traffic of each channel. Finally, an experimental testbed using commercial off-the-shelf microcontrollers with two CAN protocol controllers was used to demonstrate the feasibility of the CAN system with dual communication channel using the distributed message allocation method.
Keywords
IVN (In-Vehicle Networking System); CAN (Controller Area Network); network capacity; distributed message allocation method; distributed traffic prediction method; double exponential smoothing method; intelligent vehicle;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
Times Cited By SCOPUS : 2
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