基于低轨卫星和窄带物联网的智能冷链运输终端系统
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摘要
针对目前全球范围冷链运输智能系统功耗高、全球覆盖能力差、效率低等问题,以智能冷藏集装箱为研究对象,介绍了一种基于低轨卫星和窄带物联网(NB-IoT)通信技术的智能冷链运输终端系统,并给出了该智能终端系统的系统方案、硬件设计、软件设计、低功耗设计及测试结果.运输终端系统以STM32作为主控制器,集成了温湿度和位置信息等传感器,兼容低轨卫星和NB-IoT两种通信方式,可以实现全球范围内装有该智能终端的冷藏集装箱位置、状态和安全等信息监测控制.通过实际运行表明,该方案可靠,数据传输稳定,具有一定的推广和应用价值.
Aiming at the problems of high power consumption, poor global coverage and low efficiency of intelligent cold chain transportation system in the whole world, taking intelligent refrigerated container as the research object, this paper introduces an intelligent cold chain transportation terminal system based on LEO satellite and NB-IoT communication technology, and gives the system design, hardware design, software design, low power consumption design and test results of the intelligent cold chain transportation terminal system. The transport terminal system uses STM32 as the main controller and integrates temperature, humidity and location information sensors. It is compatible with LEO satellite and NB-IoT communication modes. The system can globally monitor the position, status and safety of refrigerated containers equipped with the intelligent terminal. Practical operation shows that the scheme is reliable and has certain popularization and application value.
Aiming at the problems of high power consumption, poor global coverage and low efficiency of intelligent cold chain transportation system in the whole world, taking intelligent refrigerated container as the research object, this paper introduces an intelligent cold chain transportation terminal system based on LEO satellite and NB-IoT communication technology, and gives the system design, hardware design, software design, low power consumption design and test results of the intelligent cold chain transportation terminal system. The transport terminal system uses STM32 as the main controller and integrates temperature, humidity and location information sensors. It is compatible with LEO satellite and NB-IoT communication modes. The system can globally monitor the position, status and safety of refrigerated containers equipped with the intelligent terminal. Practical operation shows that the scheme is reliable and has certain popularization and application value.
引文
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11 T401 OGi Modem hardware guide.ORBCOMM,2016.
12高金龙.基于SGP4模型的集装箱低轨卫星监控终端研发[硕士学位论文].深圳:深圳大学,2017.
13高金龙,周受钦,曹广忠,等.解决实时调度的智能装备及其物联网系统设计.计算机技术与发展,2017,27(5):149-153.[doi:10.3969/j.issn.1673-629X.2017.05.031]
14万娟.嵌入式串行数据通信系统中差错控制技术的研究与实现[硕士学位论文].西安:西安电子科技大学,2011.
15马苗苗.无线传感器网络在油田中的应用研究[硕士学位论文].大庆:东北石油大学,2010.
2党超群,张锁平,齐占辉,等.基于北斗卫星系统的深远海GPS波浪浮标数据传输研究.传感器与微系统,2016,35(1):46-48.
3欧郁强,张飞,郭小龙,等.北斗通信在智能电网状态监测中的应用.中国电力,2015,48(12):39-42.
4 Hara T.ORBCOMM low Earth orbit mobile satellite communication system.Proceedings of Tactical Communications Conference.Fort Wayne,IN,USA.1994.299-310.
5赵卫东,周尚晨,孙一鸣.基于离群点挖掘的RFID冷链温控研究.计算机系统应用,2010,19(11):166-170,175.[doi:10.3969/j.issn.1003-3254.2010.11.037]
6 Korsak V F,Lipatov A A,Maksimenco J L,et al.Low orbital satellite system“ORBCOMM”for urgent message transmission and data collection.Proceedings of IEEE 19999th International Crimean Microwave Conference‘Microwave and Telecommunication Technology’.Sevastopol,Crimea,Ukraine.1999.37-39.[doi:10.1109/CRMICO.1999.815137]
7焦蓉,徐卫军,刘经纬.面向连接的无线窄带信道传输协议.计算机系统应用,2015,24(3):133-138.[doi:10.3969/j.issn.1003-3254.2015.03.022]
8张万春,陆婷,高音.NB-IoT系统现状与发展.中兴通讯技术,2017,23(1):10-14.[doi:10.3969/j.issn.1009-6868.2017.01.003]
9 Meinecke G,Ratmeyer V,Wefer G.Bi-directional communication into the deep ocean based on ORBCOMMsatellite transmission and acoustic underwater communication.Proceedings of the Oceans’99.MTS/IEEE.Riding the Crest into the 21st Century.Conference and Exhibition.Seattle,WA,USA.1999.1405-1409.[doi:10.1109/OCEANS.1999.800199]
10陈雄华,张旭,张雪芹,等.Digi M10卫星通信模块在林业传感器网络中的应用.南京林业大学学报(自然科学版),2014,38(3):144-148.
11 T401 OGi Modem hardware guide.ORBCOMM,2016.
12高金龙.基于SGP4模型的集装箱低轨卫星监控终端研发[硕士学位论文].深圳:深圳大学,2017.
13高金龙,周受钦,曹广忠,等.解决实时调度的智能装备及其物联网系统设计.计算机技术与发展,2017,27(5):149-153.[doi:10.3969/j.issn.1673-629X.2017.05.031]
14万娟.嵌入式串行数据通信系统中差错控制技术的研究与实现[硕士学位论文].西安:西安电子科技大学,2011.
15马苗苗.无线传感器网络在油田中的应用研究[硕士学位论文].大庆:东北石油大学,2010.
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