随着物联网技术的不断发展及“中国制造2025”的提出,构建面向智能生产线、智能车间、智能工厂等制造业的物联网应用模式越来越受到人们的关注.在智能制业中,接人物联网的设备种类众多,设备的数据格式不统一,因此上层应用在采集设备数据和对设备进行管理时,需要引入中间件来解决这些问题.设计了一种面向服务的物联网中间件模型,此中间件建立在具备上述特点的智能园区的背景下.中间件负责实现前端感知设备与上层应用间的信息交互,并将上层应用的命令下发到设备中实现对设备的实时管理,为各种异构的智能设备接人物联网应用环境提供了一种有效的解决方案.并且通过一个应用实例来进一步阐述此中间件的工作原理及实现方法.%With the development of IoT technology and the publishment of "Made in China 2025",the IoT application pattern,such as intelligent plant,intelligent workshop and intelligent production line,has caused more and more attention.In intelligent manufacturing,many types of devices access the IoT and the data formats are not uniform,so it's necessary to introduce a middleware when the up-level applications have to read the data and control the devices.A service-oriented middleware model is designed which is built on the background of intelligent park with the above characteristics.The middleware is responsible for the information exchange between the sensing devices and the up-level application,and sends the application commands to the devices to achieve real-time management,and also offers a promising solution for embedded intelligent devices with heterogeneity to be accessible in IoT.Moreover,an application example is introduced to explain the working principle and application methods of the middleware.
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