Asynchronous Web Process Supervision and Control Based on .NET Platform

Journal of Petrochemical Universities ›› 2007, Vol. 20 ›› Issue (3): 105-108.

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Asynchronous Web Process Supervision and Control Based on .NET Platform

1.School of Cumputer Science and Engineering,University of Science and Technology Liaoning, Anshan Liaoning114044,P.R.China;
2.Library,University of Science and Technology Liaoning, Anshan Liaoning 114044，P.R.China

Received:2007-02-05 Online:2007-09-20 Published:2017-07-05

基于.NET 平台的异步WEB 过程监控

胡珊¹ , 朱秀慧²

(1 .辽宁科技大学计算机科学与工程学院, 辽宁鞍山114044;
2 .辽宁科技大学图书馆, 辽宁鞍山114044)

作者简介:胡珊(1974 -), 男, 湖北阳新市, 工程师, 硕士
基金资助:
国家863 计划课题(2003AA302130)。

Abstract

Abstract:

In traditional B/S system, the server must refresh all data of the whole page and transmit them to the client when the client requires new data. This way not only increases the burden on the server, but also brings about a lot of iterative data, so it is difficult to use this way in real-time monitoring system. The asynchronous web process supervision was realized by using the combination of data acquisition function of OPC, asynchronous communication function of AJAX.NET and painting function of VML. This proposed method can not only reduce the overloads of the server, but strengthen the real-time capability of the B/S supervision and control system.

Key words:

OPC, , AJAX.NET, , VML, , Process supervision and control

摘要： 在传统的B/S 结构中, 当客户端向服务器请求新的数据时, 服务器必须对整个页面的全部数据进行
重新处理然后把结果返回给客户端。这样不仅增加了服务器负担而且存在着大量重复的数据, 因此很难用于实时
监控中。通过把OPC 的数据采集功能和AJAX.NET 的异步通讯功能及VM L 的画图功能相结合实现了异步Web
过程监控。这种方法不仅能减轻服务器的运行负担而且能增强B/S 监控系统的实时性。

关键词: OPC , AJAX.NET , VML , 过程监控

HU Shan, ZHU Xiu－hui.

Asynchronous Web Process Supervision and Control Based on .NET Platform

[J]. Journal of Petrochemical Universities, 2007, 20(3): 105-108.

胡珊, 朱秀慧. 基于.NET 平台的异步WEB 过程监控[J]. 石油化工高等学校学报, 2007, 20(3): 105-108.

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Asynchronous Web Process Supervision and Control Based on .NET Platform

基于.NET 平台的异步WEB 过程监控

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