| 光伏发电监控系统中嵌入式Web服务器的实现 |
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| 引用本文： | 姚雷,卢晓东,万江文.光伏发电监控系统中嵌入式Web服务器的实现[J].计算机工程与设计,2012,33(9):3397-3401. |
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| 作者姓名： | 姚雷 卢晓东 万江文 |
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| 作者单位： | 北京航空航天大学仪器科学与光电工程学院,北京,100191 |
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| 基金项目： | 北京市科技计划课题基金项目(Z101101055010001);中央高校基本科研业务费专项基金项目(YWF-11-02-271) |
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| 摘 要： | 为了提高光伏发电监控系统的响应速度和运行效率,设计并实现了一种高效的嵌入式Web服务器.系统浏览器客户端与服务器首次连接时,服务器发送JavaScript脚本到浏览器客户端,并在客户端创建AJAX引擎；该引擎采用异步交互的信息处理方式,实现监控页面实时数据的快速刷新；服务器采用基于回调函数的消息响应机制,处理客户端的请求并返回相应的响应消息；采用线性链表结构存储交互过程中需要的网页文件.该系统操作简单,运行效率高,可以满足光伏发电监控系统中数据频繁更新的需求.
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| 关 键 词： | 光伏发电 监控系统 嵌入式Web服务器 AJAX 回调函数 |
Implementation of embedded web server in photovoltaic power generation monitor control system |
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| YAO Lei
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LU Xiao-dong
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WAN Jiang-wen.Implementation of embedded web server in photovoltaic power generation monitor control system[J].Computer Engineering and Design,2012,33(9):3397-3401. |
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| Authors: | YAO Lei LU Xiao-dong WAN Jiang-wen |
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| Affiliation: | (School of Instrument Science and Opto-Electronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China) |
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| Abstract: | A highly efficient embedded web server is designed to improve the response speed and efficiency of the solar power plant monitoring system.In the system,the JavaScript code is sent to the client at the first connection to set up the AJAX engine.The engine adopts asynchronous communication approach to complete local fast refreshing of the monitoring web page.With the message response mechanism based on callback function,the server deals with the demand of the client and returns a response message.All web files are stored in a linear chain structure.The system has the advantages of simple operation and high operational efficiency,which meet the requirement of data frequent updating in solar power plant monitoring system. |
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| Keywords: | photovoltaic power generation monitoring system embedded web server asynchronous JavaScript and XML(AJAX) callback function |
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