Minimization of the Fabrication Cost for a Bridged-Bus-Based TDMA System under Hard Real-Time Constraints


IEICE TRANSACTIONS on Information and Systems   Vol.E97-D   No.12   pp.3041-3051
Publication Date: 2014/12/01
Online ISSN: 1745-1361
DOI: 10.1587/transinf.2014PAP0022
Type of Manuscript: Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Network
bridged buses,  fabrication cost,  scheduling,  time division multiple access,  FlexRay,  

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Industrial applications such as automotive ones require a cheap communication mechanism to send out communication messages from node to node by their deadline time. This paper presents a design paradigm in which we optimize both assignment of a network node to a bus and slot multiplexing of a FlexRay network system under hard real-time constraints so that we can minimize the cost of wire harness for the FlexRay network system. We present a cost minimization problem as a non-linear model. We developed a network synthesis tool which was based on simulated annealing. Our experimental results show that our design paradigm achieved a 50.0% less cost than a previously proposed approach for a virtual cost model.