基于Web的粉末成型压机故障诊断系统
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摘要
针对压机诊断系统的数据更新不及时、诊断方法单一等缺点,设计了基于Web的压机故障诊断系统。通过基于Web的专家系统实现了故障的查询与诊断。故障信息采用文本、数值、图片等多媒体形式表达。使用可编程逻辑控制器(PLC)和组态王软件获取现场实时数据,通过与服务器端数据库的交互,完成了故障的实时监测。客户端与服务器端的通讯使用了Ajax技术和可缩放矢量图形(SVG)语言,提高了数据传输的效率。测试结果表明该系统具有数据更新简单、故障表达清楚、可远程监测等优点。
Aiming at the drawbacks of data updating delay and single fault diagnosis of powder molding press machines,a Web-based fault diagnosis system is proposed here.The queries and diagnoses for machine failures are implemented by the Web-based expert system.The fault information of this system is expressed by multimedia such as texts,numerical value and pictures.The real-time fault detection is completed by the interaction between the server database and the real-time field data obtained through programmable logic controller(PLC)and Kingview.The efficiency of data transmission is improved by the asynchronous JavaScript and XML(Ajax) and scalable vector graphics(SVG)language used to transmit the information between clients and servers.The test results show that the system has the advantages of simple data updating,clear fault expression and remote detection.
Aiming at the drawbacks of data updating delay and single fault diagnosis of powder molding press machines,a Web-based fault diagnosis system is proposed here.The queries and diagnoses for machine failures are implemented by the Web-based expert system.The fault information of this system is expressed by multimedia such as texts,numerical value and pictures.The real-time fault detection is completed by the interaction between the server database and the real-time field data obtained through programmable logic controller(PLC)and Kingview.The efficiency of data transmission is improved by the asynchronous JavaScript and XML(Ajax) and scalable vector graphics(SVG)language used to transmit the information between clients and servers.The test results show that the system has the advantages of simple data updating,clear fault expression and remote detection.
引文
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[2]仉毅,孙慧芝.基于Web的设备监测与故障诊断系统的设计与实现[J].计算机工程与设计,2007,28(4):898-900.Zhang Yi,Sun Huizhi.Design and realization of equip-ment monitoring and fault diagnosis system based onweb[J].Computer Engineering and Design,2007,28(4):898-900.
[3]周牧,谈晓军,左翔,等.基于AJAX和XML的WebGIS系统研究[J].计算机工程,2009,35(13):271-273.Zhou Mu,Tan Xiaojun,Zuo Xiang,et al.WebGIS systemresearch based on AJAX and XML[J].Computer Engi-neering,2009,35(13):271-273.
[4]吴保国,温亮宝.森林重大病虫害诊治专家咨询系统的研究[J].北京林业大学学报,2006,28(6):113-118.Wu Baoguo,Wen Liangbao.Expert consulting system forthe diagnosis,prevention and control of important forestdiseases and insect pests[J].Journal of Beijing ForestryUniversity,2006,28(6):113-118.
[5]蔡自兴,约翰.德尔金,龚涛.高级专家系统:原理.设计及应用[M].北京:科学出版社,2005.
[6]王冰,王世明.组态王相关数据库研究[J].计算机工程与设计,2008,29(4):1025-1027.Wang Bin,Wang Shiming.Study on database relatedKingview[J].Computer Engineering and Design,2008,29(4):1025-1027.
[7]吴灿培,胡顺豪,王海航,等.基于Ajax和SVG的Web远程实时监控系统[J].计算机工程与设计,2011,32(9):3004-3007.Wu Canpei,Hu Shunhao,Wang Haihang,et al.Webremote real-time monitoring and control system basedon Ajax and SVG[J].Computer Engineering and De-sign,2011,32(9):3004-3007.
[8]W3C.Scalable vector graphics(SVG)1.1(2nd ed)[EB/OL].http://www.w3.org/TR/SVG/,2011-08-16/2012-04-25.
[9]郭挺,谢敏,刘明波,等.SVG和Ajax技术在电网分析与辅助决策支持系统中的应用[J].电力系统保护与控制,2012,4(4):83-89.Guo Ting,Xie Min,Liu Mingbao,et al.Application ofSVG and Ajax technique into power network analysis anddecision support systems[J].Power System Protectionand Control,2012,4(4):83-89.