基于余度和容错技术的高可靠机载智能配电系统设计

doi:CNKI:11-1929/V.20110526.1756.019

电子与自动控制

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基于余度和容错技术的高可靠机载智能配电系统设计

徐金全, 郭宏, 张秦岭, 钱浩

北京航空航天大学自动化科学与电气工程学院, 北京 100191

收稿日期:2011-03-01 修回日期:2011-04-23 出版日期:2011-11-25 发布日期:2011-11-24
通讯作者: 郭宏 E-mail:guohong@buaa.edu.cn
作者简介:徐金全(1986- ) 男,博士研究生。主要研究方向:机载电气系统设计。 Tel: 010-82339498 E-mail: xujinquan_buaa@163.com 郭宏(1967- ) 男,博士,教授,博士生导师。主要研究方向:机载电气系统设计、特种电机设计及其驱动控制。 Tel: 010-82339498 E-mail: guohong@buaa.edu.cn

Design of Intelligent Airborne Power Distribution Systems with High Reliability Based on Redundancy and Fault-tolerant Technology

XU Jinquan, GUO Hong, ZHANG Qinling, QIAN Hao

School of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China

Received:2011-03-01 Revised:2011-04-23 Online:2011-11-25 Published:2011-11-24

摘要/Abstract

摘要： 针对大型无人机(UAV)用常规配电系统占用航空总线资源多和可靠性低的问题,通过研究多电/全电飞机技术发展趋势和大型无人机供电系统技术特点,提出一种适用于大型无人机体系结构和指标要求的机载智能配电系统;建立系统的马尔可夫模型,计算和分析不同余度结构的供电处理机(PSP)和电气负载管理中心(ELMC)对系统可靠性的影响,进而实现机载智能配电系统余度结构的优化配置;提出一种适用于大型无人机机载配电系统的、基于总线形式的PSP与ELMC相互监控方法,有效解决了三余度系统的二次故障容错问题;在此基础上,采用高速数字信号处理器(DSP)、大规模现场可编程门阵列(FPGA)和实时软件进行系统设计,完成了原理样机的研制。理论分析和实验结果表明,所设计的机载配电系统具有高可靠性、容错性和智能化的特点。

关键词: 大型无人机, 配电系统, 供电处理机, 电气负载管理中心, 马尔可夫过程, 余度

Abstract: An intelligent airborne power distribution system for large-scale unmanned aerial vehicles (UAVs) is presented to deal with the excessive avionics bus resource occupancy and low reliability of traditional power distribution systems in keeping with the development of aircraft electric technology and the electrical system characteristics of UAVs. In order to realize the optimal allocation of intelligent airborne power distribution system redundancy structure, the approach establishes a Markov model to analyze the impact of different redundancy power supply processors (PSPs) and electrical load management centers (ELMCs) on system reliability. At the same time, a mutual monitoring approach between the PSP and the ELMC is put forward to solve the fault monitoring problem for the dual redundant system. On this basis, a prototype is developed with a high speed digital signal processor (DSP), huge field-programmable gate arrays (FPGAs) and real-time software. Theoretical analysis and experimental results demonstrate that the designed airborne power distribution system has the characteristics of high reliability, fault tolerance and intelligence.

Key words: large-scale UAV, power distribution system, power supply processor, electrical load management center, Markov process, redundancy

中图分类号:

V242
TP273

徐金全, 郭宏, 张秦岭, 钱浩. 基于余度和容错技术的高可靠机载智能配电系统设计[J]. 航空学报, 2011, 32(11): 2117-2123.

XU Jinquan, GUO Hong, ZHANG Qinling, QIAN Hao. Design of Intelligent Airborne Power Distribution Systems with High Reliability Based on Redundancy and Fault-tolerant Technology[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2011, 32(11): 2117-2123.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

基于余度和容错技术的高可靠机载智能配电系统设计

Design of Intelligent Airborne Power Distribution Systems with High Reliability Based on Redundancy and Fault-tolerant Technology

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