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为了解决公路交通监控系统中大量使用的不同种类传感器和执行器的接口兼容问题,基于传感器代理服务器思想和IEEE1451智能传感器接口标准,设计了开放式的、即插即用的交通信息智能监控系统,并结合IEEE1451.2和IEEE1451.4接口标准,完成了系统智能前端,包括数据采集器、智能传感器模块、网络接口电路及TEDS方案的设计与实现,并开发了相应的应用程序,通过标准USB2.0端口实现PC与数据采集器信息的实时通信。试验结果表明,系统运行稳定,实时性良好。
In order to solve the problem of interface compatibility of different kinds of sensors and actuators widely used in highway traffic monitoring and control system, an open, plug and play intelligent traffic information monitoring system is designed based on the idea of sensor proxy server and IEEE1451 intelligent sensor interface standard. Combined with the IEEE1451.2 and IEEE1451.4 interface standards, the design and implementation of the system intelligent front end including data collector, intelligent sensor module, network interface circuit and TEDS scheme are completed. And the corresponding application program is developed through the standard USB2. 0 port real-time communication of PC and data collector information. The test results show that the system is stable and has good real-time performance.