基于超宽带的新型舰艇伤员定位系统设计
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摘要
目的 :设计一种基于超宽带(ultra wide band,UWB)无线定位技术的舰艇伤员定位系统,用于实现新型舰艇的伤员定位。方法:首先基于UWB无线定位技术,利用UWB人员定位标签向外发出脉冲信号,UWB信号接收器接收到信号后,将人员识别信息、光电强度、生命体征等信息通过有线传输方式传送至监控中心服务器,再根据基于接收信号强度指示(received signal strength indicator,RSSI)的定位方法,结合三边测量法和差分修正算法进行位置坐标的计算和优化,最终在伤员定位信息显示软件中完成定位信息呈现。结果:该系统能准确完成新型舰艇伤员定位,并实时在系统中显示所在舱室、人员身份、生命体征等信息。结论:该定位系统能对新型舰艇伤员进行定位,有效缩短卫勤力量到达伤员处的平均时间,改善大型战斗舰艇伤员卫勤保障效果。
Objective To design an UWB-based positioning system for the casualty in large combat vessel. Methods UWB person positioning tag sent impulse signals to UWB receiver, and then the information on casualty recognition, photoelectric intensity, vital signs and etc were transmitted to the server at the surveillance center. According to the positioning method based on received signal strength indicator(RSSI), calculation and optimization of the coordinate were carried out with trilateration localization algorithm and difference correction algorithm. Then the positioning information was presented in casualty positioning information display software. Results The positioning system could locate casualty in large combat vessel and present the cabins where the casualty were located and the statement of the casualty. Conclusion The casualty positioning system can decrease the average time when medical capability arrive at the casualty, improve the effect of medical guarantee in large combat vessel.
Objective To design an UWB-based positioning system for the casualty in large combat vessel. Methods UWB person positioning tag sent impulse signals to UWB receiver, and then the information on casualty recognition, photoelectric intensity, vital signs and etc were transmitted to the server at the surveillance center. According to the positioning method based on received signal strength indicator(RSSI), calculation and optimization of the coordinate were carried out with trilateration localization algorithm and difference correction algorithm. Then the positioning information was presented in casualty positioning information display software. Results The positioning system could locate casualty in large combat vessel and present the cabins where the casualty were located and the statement of the casualty. Conclusion The casualty positioning system can decrease the average time when medical capability arrive at the casualty, improve the effect of medical guarantee in large combat vessel.
引文
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[14]张苍松,郭军,崔娇,等.基于RSSI的室内定位算法优化技术[J].计算机工程与应用,2015,51(3):235-238,259.
[15]周艳,李海成.基于RSSI无线传感器网络空间定位算法[J].通信学报,2009,30(6):75-79.
[16]申振宁,周子琛.UWB技术实现短距离无线通信[J].无线电工程,2003,33(12):19-20.
[2]郑卫东,谭亮,石剑,等.物联网技术在海军舰艇工程中的运用探讨[J].中国舰船研究,2013,8(3):96-101.
[3]杨启尧.基于物联网技术的船舶智能消防系统[J].浙江水利水电学院学报,2015,27(1):67-71.
[4]刘旭东,刘晓荣,陈国良,等.新型舰艇伤员定位技术研究[J].医疗卫生装备,2014,35(10):99-102,155.
[5]任维政,徐连明,邓中亮,等.基于RSSI的测距差分修正定位算法[J].传感技术学报,2008,21(7):1 247-1 250.
[6]张海英,郑国莘.超宽带(UWB)技术及其抗干扰性能分析[J].电视技术,2004(11):37-39.
[7]陈维克,李文锋,首珩,等.基于RSSI的无线传感器网络加权质心定位算法[J].武汉理工大学学报(交通科学与工程版),2006,30(2):265-268.
[8]陈学卿,高凡,马伟朕.基于超宽带(UWB)技术的无线定位系统的研究[J].桂林航天工业高等专科学校学报,2008,13(4):15-16,19.
[9]房秉毅.基于超宽带技术的室内定位系统[J].电子技术应用,2006,32(7):124-127.
[10]程永志.超宽带无线技术的应用前景分析[J].中国新通信,2008,10(1):70-72.
[11]崔振刚,姜弢,杨欣.UWB技术在舰船电子系统中的应用展望[J].舰船电子工程,2007,27(2):28-31.
[12]李体红,丰树谦.室内无线传感网络差分定位算法研究[J].计算机仿真,2010,27(7):102-104.
[13]胡君萍.UWB技术及其应用探讨[J].武汉理工大学学报(信息与管理工程版),2005,27(5):261-264.
[14]张苍松,郭军,崔娇,等.基于RSSI的室内定位算法优化技术[J].计算机工程与应用,2015,51(3):235-238,259.
[15]周艳,李海成.基于RSSI无线传感器网络空间定位算法[J].通信学报,2009,30(6):75-79.
[16]申振宁,周子琛.UWB技术实现短距离无线通信[J].无线电工程,2003,33(12):19-20.