虚拟仪器在水力过渡实验瞬态数据采集中的应用  

Application of virtual instrument technique in acquiring hydraulic experiment changing transient data

作　　者：吴晨光[1] 徐常青[1] 于景洋[1] 

机构地区：[1]哈尔滨工业大学市政环境工程学院,哈尔滨150090

出　　处：《哈尔滨商业大学学报（自然科学版）》2009年第2期210-213,共4页Journal of Harbin University of Commerce：Natural Sciences Edition

摘　　要：设计长距离输水管线瞬态水力过渡工况的实验中,在实验中应用虚拟仪器采集水力状态变化后的瞬态数据.分析了虚拟仪器的基本工作原理,介绍了基于虚拟仪器技术开发的压强、流量数据采集系统.数据分析结果表明所设计的采集系统可适用于高速多路多种信号数据采集,是一种比较理想的实时数据采集方案.Designs a hydraulic experiment to study transient hydraulic situation in long-distance water pipelines, using virtual instrument technology to acquire transient data when hydraulic situation changed. Analyzes the basic principles of the virtual instrument technology, introduces pressure and flow data acquisition system. Experiments show that the designed system is a reliable multi-channel high-speed data acquisition system suitable for different signals.

关 键 词：水力工况 虚拟仪器 瞬态数据采集 LABVIEW 

分 类 号：TU991.39[建筑科学—市政工程]