An Effective GA-Based Scheduling Algorithm for FlexRay Systems

Shan DING  Hiroyuki TOMIYAMA  Hiroaki TAKADA  

IEICE TRANSACTIONS on Information and Systems   Vol.E91-D   No.8   pp.2115-2123
Publication Date: 2008/08/01
Online ISSN: 1745-1361
DOI: 10.1093/ietisy/e91-d.8.2115
Print ISSN: 0916-8532
Type of Manuscript: PAPER
Category: System Programs
real-time systems,  distributed embedded systems,  FlexRay,  genetic algorithm,  

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An advanced communication system, the FlexRay system, has been developed for future automotive applications. It consists of time-triggered clusters, such as drive-by-wire in cars, in order to meet different requirements and constraints between various sensors, processors, and actuators. In this paper, an approach to static scheduling for FlexRay systems is proposed. Our experimental results show that the proposed scheduling method significantly reduces up to 36.3% of the network traffic compared with a past approach.