主动式活塞体积管流量标准装置阶跃特性研究  

Research on Step Characteristics of Active Piston Prover

作　　者：张毅治[1] 张永胜[1] 于华伟[1] ZHANG Yizhi;ZHANG Yongsheng;YU Huawei(Changcheng Instinute of Metrology&Measurement,Beijing 100095,China)

机构地区：[1]航空工业北京长城计量测试技术研究所,北京100095

出　　处：《计测技术》2020年第2期64-67,共4页Metrology & Measurement Technology

基　　金：国家“十三五”技术基础科研项目(JSJL2017205A005)。

摘　　要：动态流量测量在研发和生产过程中越来越重要,为了开展流量计的动态响应特性相关试验,使用激光干涉仪对燃油流量标准装置的活塞位移进行了动态测量,并分析了该装置的阶跃特性。试验结果表明,在一定阶跃流量范围内,该装置的时间常数在7~60 ms之间。建议进一步优化装置的传动结构和伺服控制参数,改善装置的阶跃特性。Dynamic flow measurement is becoming more and more important in the process of research and development of production.In order to test the dynamic response characteristics of the flowmeter,the dynamic measurement of the piston displacement of the active piston prover is carried out by using the laser interferometer,and the step characteristics of the prover are analyzed.The test results show that the time constant is between 7~60 ms in a certain step flow range.It is suggested that the transmission structure and servo control parameters of the prover be further optimized to improve the step characteristics of the device.

关 键 词：阶跃特性 主动式活塞体积管 流量 动态测量 

分 类 号：TB937[一般工业技术—计量学]