Research on Anti-collision Algorithm for Data of Transmission Tasks on ARINC429 Bus

SUN Yi-gang; MEI Ao-xue; CUI Hai-qing

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Research on Anti-collision Algorithm for Data of Transmission Tasks on ARINC429 Bus

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- Research on Anti-collision Algorithm for Data of Transmission Tasks on ARINC429 Bus
- Vol. 36, Issue 4, Pages: 93-98(2019)
- 作者机构：
  
  中国民航大学机构电子信息与自动化学院,天津,300300
- 作者简介：
- 基金信息：
- DOI：
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- Published：2019
- 稿件说明：
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孙毅刚, 梅傲雪, 崔海青. ARINC429总线发送任务数据防冲突算法研究[J]. 微电子学与计算机, 2019, 36(4): 93-98.

SUN Yi-gang, MEI Ao-xue, CUI Hai-qing. Research on Anti-collision Algorithm for Data of Transmission Tasks on ARINC429 Bus[J]. 2019, 36(4): 93-98.
孙毅刚, 梅傲雪, 崔海青. ARINC429总线发送任务数据防冲突算法研究[J]. 微电子学与计算机, 2019, 36(4): 93-98. DOI：

SUN Yi-gang, MEI Ao-xue, CUI Hai-qing. Research on Anti-collision Algorithm for Data of Transmission Tasks on ARINC429 Bus[J]. 2019, 36(4): 93-98. DOI：

摘要

在航空电子系统测试与仿真验证过程中

针对利用一条ARINC429总线进行多个Label号的周期性定时发送任务时

可能导致由不同数据字组成的发送任务在时间轴上产生时间冲突的问题.本文首先对在一根ARINC429总线上发送的任务信号之间

可能造成的时间冲突问题的时间区间展开研究

提出一种基于最小公倍周期与最大公约时间片的任务优化规划方法.通过对一条ARINC429总线上待发送的任务信号进行规划

解决了ARINC429在发送多任务时的单总线冲突问题的同时提高了总线利用率.

Abstract

In the process of testing

simulating and verifying the avionics system

the problem that different transmission tasks which consist of diverse data and words cause time collisions on the time axis may happen when an ARINC429 bus is used to carry out the periodic and time transmission tasks of multiple Labels. Firstly

in this paper

a research concerning the time interval of the time collisions which might be caused among the task signals transmitted on an ARINC429 bus was conducted. Secondly

a task planning method based on the least common multiple period and the time slice with the greatest common divisor was proposed. Lastly

by carrying out the planning of the task signals to be transmitted on an ARINC429 bus

the single-bus collisions in the transmission of multiple tasks on an ARINC429 bus were solved and the utilization rate of the bus was improved at the same time.

关键词

Keywords

references

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卫保国, 蔡伟, 郝志浪, 等.航电ARINC429总线监测系统的设计与实现[J].电子设计工程, 2014, 22(3):37-41. DOI: 37

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刘成, 王彤, 李铮, 等.时间触发AFDX网络的设计和实时性分析[J].北京航空航天大学学报, 2013, 39(6):728-733. DOI: 728

刘晚春, 李峭, 何锋, 等.时间触发以太网同步及调度机制的研究[J].航空计算技术, 2011, 41(4):122-127. DOI: 122

刘晓剑. ARINC429总线数据收发装置研究[D].西安: 西北工业大学, 2004.

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