基于Labview的位移测量系统设计

Design of displacement measurement system based on Labview

基于Labview的位移测量系统以其使用操作方便,测量分辨率高等优点,在位移测量领域应用广泛。介绍了一种基于Labview的位移测量系统的实现。系统基于Labview软件平台开发,通过串口实现数据交互,并对测量工件的尺寸加工精度进行了分析。测量系统通过对光栅尺输出的信号进行细分辨相,提高位移测量精度,使用MSP430对细分后的信号进行处理。系统整体实现了对X-Y工作台上X方向的位移测量,并将测量结果返回至上位机,上位机系统通过专用工具包与Access数据库连接,实现对批量测量数据的存储和管理。实验表明该系统测量精度高,操作方便,稳定可靠。

The displacement measurement system based on Labview is widely used in the field of displacement measurement due to its convenient operation and high measurement resolution.The realization of a displacement measurement system based on Labview is introduced.The system is developed based on the Labview software platform,realizes data exchange through the serial port,and can analyze the measurement precision of the workpiece size.The measurement system improves the displacement measurement accuracy by finely distinguishing the signal output by the grating ruler,and uses the MSP430 to process the subdivided signal.The system as a whole realized the X⁃Y table displacement measurement in the X direction,and returned the measurement results to the host computer.The host computer system was linked to the Access database through a special toolkit to store and manage batch measurement data.Experiments show that the system has high measurement accuracy,convenient operation,stability and reliability.