信息化和数据开放共享是水利行业发展的必然趋势。系统采用操作层、采集层、控制层和设备层四层网络架构,具有工控、巡检、安防为一体的综合功能。双冗余PLC系统构成控制层,通过采集层的物联网关模块实现控制层与操作层间通信,通过Profi...信息化和数据开放共享是水利行业发展的必然趋势。系统采用操作层、采集层、控制层和设备层四层网络架构,具有工控、巡检、安防为一体的综合功能。双冗余PLC系统构成控制层,通过采集层的物联网关模块实现控制层与操作层间通信,通过ProfiNET总线技术实现控制层与设备层的通信。采用WINCC WEB Navigate技术开发系统监控程序,可使操作员通过手机或浏览器在本地或远程对系统进行监控。系统集成了PLC、物联网及云通信等技术,使信息技术与水利工程融合,提高泵站管理水平,减轻人工运行成本,避免因故障报警发现不及时造成事故,促进数据开放共享。该系统的研制具有重要的科研和应用价值。展开更多
In 2017,it was estimated that the number of persons of all ages visually affected would be two hundred and eighty-five million,of which thirty-nine million are blind.There are several innovative technical solutions av...In 2017,it was estimated that the number of persons of all ages visually affected would be two hundred and eighty-five million,of which thirty-nine million are blind.There are several innovative technical solutions available to facilitate the movement of these people.The next big challenge for technical people is to give cost-effective solutions.One of the challenges for people with visual impairments is navigating safely,recognizing obstacles,and moving freely between locations in unfamiliar environments.A new mobile application solution is developed,and the application can be installed in android mobile.The application will visualize the environment with portable cameras and persons with visual impairment directly to the environment.The designed system mainly uses the YOLO3 program to identify and locate the distance between the objects and the camera.Furthermore,it determines the direction of the object.Finally,the system will give the voice command to teach/inform the visually impaired people to navigate the environment.It is a novel work at the global level.The proposed approach is cost-effective and affordable to all strata of society.展开更多
After a three-year suspension, on December 13, 2005. authorities in Shenzhen again began accepting business applications for Internet cafes. The first batch of newly licensed cafes began operation in February. Accordi...After a three-year suspension, on December 13, 2005. authorities in Shenzhen again began accepting business applications for Internet cafes. The first batch of newly licensed cafes began operation in February. According to the local government's plan, 746 cafes will be opened in Shenzhen, in addition to the existing 314 licensed ones.展开更多
文摘信息化和数据开放共享是水利行业发展的必然趋势。系统采用操作层、采集层、控制层和设备层四层网络架构,具有工控、巡检、安防为一体的综合功能。双冗余PLC系统构成控制层,通过采集层的物联网关模块实现控制层与操作层间通信,通过ProfiNET总线技术实现控制层与设备层的通信。采用WINCC WEB Navigate技术开发系统监控程序,可使操作员通过手机或浏览器在本地或远程对系统进行监控。系统集成了PLC、物联网及云通信等技术,使信息技术与水利工程融合,提高泵站管理水平,减轻人工运行成本,避免因故障报警发现不及时造成事故,促进数据开放共享。该系统的研制具有重要的科研和应用价值。
基金This research is funded by Taif University,TURSP-2020/313.
文摘In 2017,it was estimated that the number of persons of all ages visually affected would be two hundred and eighty-five million,of which thirty-nine million are blind.There are several innovative technical solutions available to facilitate the movement of these people.The next big challenge for technical people is to give cost-effective solutions.One of the challenges for people with visual impairments is navigating safely,recognizing obstacles,and moving freely between locations in unfamiliar environments.A new mobile application solution is developed,and the application can be installed in android mobile.The application will visualize the environment with portable cameras and persons with visual impairment directly to the environment.The designed system mainly uses the YOLO3 program to identify and locate the distance between the objects and the camera.Furthermore,it determines the direction of the object.Finally,the system will give the voice command to teach/inform the visually impaired people to navigate the environment.It is a novel work at the global level.The proposed approach is cost-effective and affordable to all strata of society.
文摘After a three-year suspension, on December 13, 2005. authorities in Shenzhen again began accepting business applications for Internet cafes. The first batch of newly licensed cafes began operation in February. According to the local government's plan, 746 cafes will be opened in Shenzhen, in addition to the existing 314 licensed ones.
