开放式FADEC系统的数据总线研究

刘冬冬; 张天宏; 陈建

开放式FADEC系统的数据总线研究

南京航空航天大学能源与动力学院, 南京 210016

基金项目: 江苏省研究生培养创新工程(CX09B_086Z); 2011年江苏省优势学科建设项目

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出版历程
- 收稿日期: 2011-06-05
- 修回日期: 2011-09-02
- 刊出日期: 2012-04-28

Study on data bus of open FADEC system

College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 研究了容错数据总线这个从集中式向开放式架构过渡的关键技术.在深入研究确定性、一致性、开放性、拓扑结构、调度策略、容错机制和传输带宽等开放式FADEC(全权限数字电子控制)数据总线关键特征的基础上,分析了总线数据传输的时间不确定性问题.从性能、可靠性和可用性的角度深入研究了TTP/C(time-triggered protocol/automotive class C),ARINC659,TTCAN(time-triggered controller area network)和FlexRay这4种时间触发架构数据总线的关键特征.研究结果表明:TTP/C总线是开放式FADEC的最佳选择,最后提出了一种基于TTP/C总线的航空发动机模块化DEEC(digital electronic engine controller)硬件架构.
- 开放式FADEC(全权限数字电子控制) /
- 容错数据总线 /
- 确定性 /
- 时间触发 /
- 事件触发 /
- TTP/C(时间触发协议/C级)总线
Abstract: The study of fault-tolerant data bus is one of the key technologies for transition from a centralized architecture to a open architecture.The key characteristics of data bus for open FADEC(full authority digital electronic control)system such as consistency,open,transmission bandwidth,scheduling strategies,topologies and fault-tolerant mechanism were studied.Time uncertain problem of bus data transmission was analyzed.The key characteristics of four data bus based on time trigger architecture,which are TTP/C(time-triggered protocol/automotive class C),ARINC659,TTCAN and FlexRay(time-triggered controller area network),were researched from the angle of performance,reliability and availability.The study results show that the TTP/C data buses is the best choice for open FADEC system,and the hardware architecture of modular DEEC (digital electronic engine controller)based on TTP/C data bus was proposed finally.
- open FADEC (full authority digital electronic control) /
- fault-tolerant data bus /
- determinism /
- timer trigger /
- event trigger /
- TTP/C (time-triggered protocol/automotive class C) data bus

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参考文献(18)

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