基于超宽带的新型舰艇伤员定位系统设计

Design of UWB-based casualty positioning system in new vessel

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 （RSS1）, 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.