微纳卫星导航通信一体化系统设计与实现
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摘要
为了提高微纳卫星资源利用率,考虑体积、质量及功耗等多方面限制和要求,提出一种适用于微纳卫星的导航通信一体化系统实现方案,将卫星遥测遥控、数据传输、导航定位等功能进行融合设计,给出该系统设计方法,并详细阐述硬件平台、软件架构、数据协议的实现方法。最后提出采用FPGA、ASIC等集成电路技术的产品实现技术途径,实现高集成、小型化、轻量化和低功耗。目前该设计已经成功应用于多个卫星型号,最长在轨工作时间超过两年,至今状态良好,可以推广至其他微纳卫星应用。
An implementation scheme of navigation and communication integrated system suitable for micro/nano satellite is proposed to improve the resource utilization of micro/nano satellite,in which the functions of telemetry,telecontrol,data transmission,navigation and positioning of the satellite are integrated,and the limits and requirements in volume,weight and power consumption of micro/nano satellite are considered. The design method of the system is given. The implementation methods of hardware platform, software architecture and data protocol are elaborated in detail. The technical realization approaches of products as adopting FPGA,ASIC and other integration circuit technologies are proposed to realize the high integration,miniaturization,light weight and low power consumption. The designed system has been used in multiple types of micro/nano-satellites,its longest working time in orbit is more than two years,and the satellite is still in good condition. The system can be expanded to other micro/nano-satellites.
An implementation scheme of navigation and communication integrated system suitable for micro/nano satellite is proposed to improve the resource utilization of micro/nano satellite,in which the functions of telemetry,telecontrol,data transmission,navigation and positioning of the satellite are integrated,and the limits and requirements in volume,weight and power consumption of micro/nano satellite are considered. The design method of the system is given. The implementation methods of hardware platform, software architecture and data protocol are elaborated in detail. The technical realization approaches of products as adopting FPGA,ASIC and other integration circuit technologies are proposed to realize the high integration,miniaturization,light weight and low power consumption. The designed system has been used in multiple types of micro/nano-satellites,its longest working time in orbit is more than two years,and the satellite is still in good condition. The system can be expanded to other micro/nano-satellites.
引文
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[2]张景楠,李华旺,朱野.微小卫星星务分系统的硬件设计与实现[J].电子设计工程,2014,22(15):177-179.ZHANG Jingnan,LI Huawang,ZHU Ye.The hardware design and realization of micro satellite′s housekeeping system[J]Electronic design engineering,2014,22(15):177-179.
[3]李军予,伍保峰,张晓敏.立方体纳卫星的发展及其启示[J].航天器工程,2012,21(3):80-87.LI Junyu,WU Baofeng,ZHANG Xiaomin.Development of cubesat and its enlightenment[J].Spacecraft engineering,2012,21(3):80-87.
[4]袁晓峰,高德远,高武.基于TOPSIS法的皮卫星计算机系统设计[J].计算机工程,2015,41(2):287-297.YUAN Xiaofeng,GAO Deyuan,GAO Wu.Design of computer system for pico-satellite based on TOPSIS method[J].Computer engineering,2015,41(2):287-297.
[5]朱明俊,周宇杰.一种低成本纳卫星星载计算机容错方法[J].航天器工程,2016,25(2):52-57.ZHU Mingjun,ZHOU Yujie.Method of fault-tolerant on-board computer for low-cost nano-satellite[J].Spacecraft engineering,2016,25(2):52-57.
[6]兰盛昌,王松,徐国栋.一种面向任务优化的多核心星务管理系统设计[J].哈尔滨工业大学学报,2012,44(3):24-28.LAN Shengchang,WANG Song,XU Guodong.Design of multiple cores on-board housing management system based on task optimization[J].Journal of Harbin Institute of Technology,2012,44(3):24-28.
[7]张敬一,欧民,毛志毅,等.小卫星数传基带数据处理通用集成平台设计[J].航天器工程,2017,26(1):80-84.ZHANG Jingyi,OU Min,MAO Zhiyi,et al.Universal integrated platform design for data transmission baseband data processing of small satellite[J].Spacecraft engineering,2017,26(1):80-84.
[8]刘强,王旭,李志刚.双口RAM在多CPU小卫星综合电子计算机中的应用[J].计算机测量与控制,2014,24(11):3744-3750.LIU Qiang,WANG Xu,LI Zhigang.Application of dual-port RAM in multi-CPUs synthesized electronic computer of small satellite[J].Computer measurement&control,2014,24(11):3744-3750.
[9]程光明,廖明宏,吴翔虎,等.小卫星星载计算机及其外围设备的管理[J].哈尔滨工业大学学报,2012,44(2):201-203.CHENG Guangming,LIAO Minghong,WU Xianghu,et al.Management of onboard computer and its peripherals[J].Journal of Harbin Institute of Technology,2012,44(2):201-203.
[10]黄佳,曹金,陈夏.CCSDS无损数据压缩算法在分包遥测中的应用及实现[J].遥测遥控,2014,35(2):43-46.HUANG Jia,CAO Jin,CHEN Xia.Application and FPGAimplementation of CCSDS lossless data compression in packet telemetry[J].Journal of telemetry,tracking and command,2014,35(2):43-46.
[11]郑娟,祝彬,陆静.AOS(高级在轨系统)协议跟踪研究[J].航天标准化,2016(4):33-39.ZHENG Juan,ZHU Bin,LU Jing.Advanced in-orbit system protocol tracking study[J].Aerospace standardization,2016(4):33-39.