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介绍了Windows环境下DDE(动态数据交换)技术原理,以及WinCC对DDE技术的支持。采用DDE技术实现了MATLAB与WinCC应用程序之间的监控数据通信,成功地将实时监控数据动态转储到Cache数据库中,解决了因工业组态软件对复杂算法支持的不足造成的监控系统数据后期处理的难题,实现了测控系统软件功能的扩展。该方法通用性强,具有极高的实用价值。
Describes the principles of DDE (Dynamic Data Exchange) technology in Windows and the support of WinCC for DDE technology. DDE technology was used to realize the monitoring data communication between MATLAB and WinCC applications. The data of dynamic monitoring data was successfully dumped into Cache database dynamically by DDE technology, which solved the problem of monitoring system data caused by the lack of support for complex algorithms by industrial configuration software. Deal with the problem, to achieve the expansion of measurement and control system software capabilities. The method is versatile and has very high practical value.