| FlexRay动态段消息调度优化算法 |
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| 引用本文： | 张良玉,王 义,张育贵,刘志超,杨 梅.FlexRay动态段消息调度优化算法[J].计算机与现代化,2018,0(5):11. |
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| 作者姓名： | 张良玉 王 义 张育贵 刘志超 杨 梅 |
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| 基金项目： | 国家自然科学基金资助项目（61462015）； 贵州省国际科技合作计划资助项目（黔科合外G字［2014］7007号） |
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| 摘 要： | 研究FlexRay网络动态段，对汽车的安全、稳定、可靠运行很重要。目前针对FlexRay动态段，设计兼顾最坏响应时间与总线利用率的调度算法相对较少。针对现有研究的不足，本文提出一种类DM算法的启发式调度算法，以减少消息最坏响应时间与提高总线利用率的综合效率为目标，找出最佳的FID分配方案。通过Matlab仿真验证，结果表明该优化调度算法的有效性。
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| 关 键 词： | FlexRay总线 动态段 调度算法 数学模型 |
| 收稿时间： | 2018-06-13 |
Message Scheduling Optimization Algorithm of FlexRay Dynamic Segment |
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| ZHANG Liang-yu,WANG Yi,ZHANG Yu-gui,LIU Zhi-chao,YANG Mei.Message Scheduling Optimization Algorithm of FlexRay Dynamic Segment[J].Computer and Modernization,2018,0(5):11. |
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| Authors: | ZHANG Liang-yu WANG Yi ZHANG Yu-gui LIU Zhi-chao YANG Mei |
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| Abstract: | It is very important to study the dynamic segment of FlexRay network for the safe, stable and reliable operation of the automobile. At present, for the dynamic segment of FlexRay, the scheduling algorithm of paying special attention to the worst response time and bus utilization ratio is relatively few. Aiming at the shortcomings of the existing research, this paper puts forward a kind of heuristic scheduling algorithm similiar to DM algorithm, in order to reduce the message worst-case response time and improve the utilization ratio of bus comprehensive efficiency, to find the best FID scheme. Through Matlab simulation, the results show that the optimal scheduling algorithm is effective. |
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| Keywords: | FlexRay bus dynamic segment scheduling algorithm mathematical model |
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