旋转机械的角位移测量及故障判断系统摘 要 本设计采用软件和硬件相结合的方法，将圆光栅传感器、数据采集器、计算机和虚拟仪器技术结合在一起，具有较高测量机构的凸轮机构分度精度测量系统，并能实现实时数据处理、显示和打印测量结果，通过对测试软件加以丰富和完善，对凸轮特性加以分析，则可实现凸轮机构的故障诊断功能。关键词: 圆光栅传感器；虚拟仪器；数据采集卡；LabVIEW；细分；计数判定；转角显示；记录；FFT 变换The revolving machinery angular displacement survey and breakdown diagnosis system designABSTRACTThis design uses the method which the software and the hardware unify, the round diffraction grating sensor, the data acquisition card, the computer and the Virtual instrument technology unifies in together, realizes to the cam indexing organization indexing precision survey. Uses the method which the hypothesized instrument software programs to realize to surveys the signal the processing analysis, may realize real-time functions and so on corner demonstration, recording and printing measurement result, through carries on the frequency range analysis to the survey signal, may realize to the cam gear breakdown diagnosis function.KEY WORDS: Round diffraction grating sensor; Virtual instrument; Data acquisition card; LabVIEW; Segmentation; Counting determination; Corner demonstration; Record; FFT transformation目 录摘 要..............................................................................................................................IABSTRACT..................................................................................................................II1 系统总体方案的设定.................................................................................................11.1 测量系统的原理方案..........................................................................................12 各主要模块的设定及选择...........................................
