多电飞机配电系统TTP/C总线应用技术研究

摘要

C类时间触发协议(Time triggered protocol/class C ,TTP/C)总线具有安全性高、实时性好和传输速度快的优点,本文提出将TTP/C总线应用于多电飞机配电系统中.首先分析了多电飞机分布式自动配电系统的结构,以及TTP/C总线架构和特点.然后提出了针对飞机配电系统的通讯网络,利用动态链接库分别实现C语言和LabVIEW语言环境下的通讯软件编程.接着给出,偏移地址选择方法决定数据来源走向,提出数据空间转换和格式转换方法提高通讯效率和可靠性.最后经过系统试验表明,该应用技术能够实现飞机配电系统中的TTP/C总线应用,满足系统通讯要求,提高多电飞机通讯系统的可靠性和通讯速度.%Time triggered protocol/class C(TTP/C) bus has the advantages of high security ,good real-time and fast transmission speed .We apply TTP/C bus to more-electric aircraft power distribution sys-tem .Firstly ,we analyze the structure of distributed automatic power distribution system of more-elec-tric aircraft and the structure and characteristics of TTP/C bus .Then we propose the aircraft distribu-tion system communication network and use dynamic link library to realize communication software pro-gramming in C language environment and LabVIEW language environment .Secondly ,we provide the offset address selection method to determine the data source direction ,and propose data space conver-sion and format conversion method to improve communication efficiency and reliability .Finally ,the test shows that the application technology can realize the TTP/C bus application in the aircraft distribution system ,meet the system communication requirements ,and improve the reliability and communication speed of the more-electric aircraft communication system .