水润滑轴承水膜压力无线测试系统标定方法  

Calibration Method of Wireless Measurement System for Film Pressure with Water-lubricated Bearing

作　　者：王楠[1,2] 梁应选 王明武[1] 杨帆[1] WANG Nan;LIANG Ying-xuan;WANG Ming-wu;YANG Fan(College of Mechanical Engineering,Shaanxi University of Technology,Hanzhong 723001,China;Shaanxi Key Laboratory of Industrial Automation,Hanzhong 723001,China)

机构地区：[1]陕西理工大学机械工程学院,陕西汉中723001 [2]陕西省工业自动化重点实验室,陕西汉中723001

出　　处：《仪表技术与传感器》2018年第9期40-44,共5页Instrument Technique and Sensor

基　　金：国家自然科学基金项目(51605269);陕西理工大学院士工作站建设项目(fckt201510);陕西理工大学博士启动基金项目(SLGQD15-07)

摘　　要：为了通过试验获得准确的水润滑轴承水膜压力,深入研究轴承特性与润滑机理,针对已有水膜压力无线测试系统,提出了系统标定方法并给出了标定结果的应用实例。首先,介绍了水膜压力无线测试系统及压力传感器的结构与参数;然后,详细阐述了无线测试系统的标定方法、标定条件、标定步骤以及数据处理算法,并在标定实验台上对已有系统进行标定实验;最后,将标定结果及测试系统应用到八沟槽水润滑橡胶轴承水膜压力的测试中。试验结果表明,该无线测试系统标定方法可行、标定结果可靠。In order to obtain the accurate film pressure of water-lubricated bearing via test,and to study the bearing characteristics and lubrication mechanism,the system calibration method based on existing wireless measurement system of water film was proposed,and the application example of calibration results was given.First,the wireless measurement system of water film,and the structure and parameters of pressure sensor were introduced.Then,the calibration method,conditions,process,experiment rig,and data processing algorithm were described,and the calibration experiment was conducted on existing system.Finally,the film testing of water-lubricated rubber bearing with eight grooves was conducted based on calibration results and measurement system.The test results show that the calibration method of wireless measurement system is feasible,and the calibration results are reliability.

关 键 词：水润滑轴承 水膜压力 无线测试系统 传感器标定 最小二乘法 线性回归 

分 类 号：TH39[机械工程—机械制造及自动化]