基于LabVIEW和PXI设计通用仪器仪表综合检定系统  

Comprehensive calibration system based on LabVIEW & PXI for universal instruments

作　　者：张丽梅[1] 潘海飞[1] 吴清源[1] 

机构地区：[1]91388部队96分队

出　　处：《中国测试》2010年第2期70-73,共4页China Measurement & Test

摘　　要：针对远离实验室使用的通用仪器仪表难于开展计量测试的问题,在LabVIEW环境下利用PXI平台建立通用仪器仪表综合检定系统来实现现场计量测试。根据虚拟仪器的设计思想,将NI功能模块利用PXI总线连接起来,在模块化软件控制下组合使用,采用VISA函数进行USB、RS-232、GPIB等各种接口的仪器通信,实现示波器、信号发生器、频率计、数字万用表等通用仪器的检测。该检定系统具有机动灵活、准确可靠、通用性强、可扩展性好等特点,能满足通用仪器仪表现场计量的要求。At present, the long-distance universal instruments are difficult to test. This paper proposed a comprehensive calibration system design for universal instruments, which can realize locale test based on LabVIEW ＆ PXI. According to the virtual instrument principle, the NI modules and the bus of PXI can be connected and used under the control of modular software. Communication was accomplished by USB, RS-232 and GPIB interface with VISA. The designed system can realize the test of oscillograph, signal generator, cymometer and digital multimeter. And it is flexible, accurate and reliable, compatible and expandable, which can satisfy the requirements of spot tests.

关 键 词：LABVIEW软件 PXI总线 虚拟仪器 通用仪器仪表 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置] TP311.52[自动化与计算机技术—控制科学与工程]