目前飞行试验实时监控体系中采用UDP协议进行数据传输,数据接收解析服务器接收遥测接收机数据后进行数据包解析并将监控参数发送至监控终端,这种模式下,整个监控系统的稳定性和可靠性较低,数据解析服务器的状态直接影响试飞实时监控的...目前飞行试验实时监控体系中采用UDP协议进行数据传输,数据接收解析服务器接收遥测接收机数据后进行数据包解析并将监控参数发送至监控终端,这种模式下,整个监控系统的稳定性和可靠性较低,数据解析服务器的状态直接影响试飞实时监控的质量。且数据源单一,试飞工程师只能观测到服务器发来的遥测数据,无法得到关于天气、地理等与试飞飞行相关的环境信息。针对以上情况,对基于分布式系统的数据分发服务DDS(Data Distribution Service)中间件技术进行了研究,在原有的硬件架构上实现飞行数据的实时解算、工程量转换以及监控参数的分发,搭建起分布式实时数据监控系统,并提供了多种QoS(Qualityof Service)策略的调配,以达到系统高可靠性、低延迟特性,实现了多源数据的实时监控,具有很好的实用性。展开更多
Introduced a Web-based real-time network monitoring and control system design methods, the 3-D VR was applied in a remote monitor system based on browser/server structure, and a VRML and Java based 3-D remote monitor ...Introduced a Web-based real-time network monitoring and control system design methods, the 3-D VR was applied in a remote monitor system based on browser/server structure, and a VRML and Java based 3-D remote monitor system was realized. Meanwhile, give possible solutions of the real-time data transmission and the stability of the system.展开更多
文摘目前飞行试验实时监控体系中采用UDP协议进行数据传输,数据接收解析服务器接收遥测接收机数据后进行数据包解析并将监控参数发送至监控终端,这种模式下,整个监控系统的稳定性和可靠性较低,数据解析服务器的状态直接影响试飞实时监控的质量。且数据源单一,试飞工程师只能观测到服务器发来的遥测数据,无法得到关于天气、地理等与试飞飞行相关的环境信息。针对以上情况,对基于分布式系统的数据分发服务DDS(Data Distribution Service)中间件技术进行了研究,在原有的硬件架构上实现飞行数据的实时解算、工程量转换以及监控参数的分发,搭建起分布式实时数据监控系统,并提供了多种QoS(Qualityof Service)策略的调配,以达到系统高可靠性、低延迟特性,实现了多源数据的实时监控,具有很好的实用性。
文摘Introduced a Web-based real-time network monitoring and control system design methods, the 3-D VR was applied in a remote monitor system based on browser/server structure, and a VRML and Java based 3-D remote monitor system was realized. Meanwhile, give possible solutions of the real-time data transmission and the stability of the system.