测试系统静态特性校准实验报告

/gknows实验一 测试系统静态特性校准姓名学号自己写同组者：*一、实验目的1、掌握压力传感器的原理；2、掌握压力测量系统的组成；3、掌握压力传感器静态校准实验和静态校准数据处理的一般方法。二、实验设备本实验系统由活塞式压力计，硅压阻式压力传感器，信号调理电路，5位半数字电压表，直流稳压电源和采样电阻组成。图1-1实验系统方框图如下：实验设备型号及精度设备名称设备型号精度量程数量活塞式压力计YS-60.05%00.6Mpa1压力传感器MPM1800.2%00.7Mpa1信号调理电路0.2%0157.156mV1精密电阻RJ2501/4W0.01%,5PPm1数字电压表1905A1直流稳压电源0.02%+24V1三、数据处理1、实验数据：压力：p(Mpa)压力变送器的输出电压(V)第一循环第二循环第三循环第四循环第五循环正行程01.00241.00851.00251.00251.00240.051.33781.33451.33231.33581.33120.11.67561.67281.671731.67251.67250.152.00392.00642.00652.00652.00650.22.33622.34182.34172.34152.34120.252.67712.67122.67652.67652.67120.33.00833.00883.01123.00753.01330.353.34613.34393.34553.34413.34510.43.67853.68033.67993.67983.67920.454.00814.01434.01434.01424.01160.54.3484.34834.34824.34434.3479反行程01.00211.00201.00261.00251.00240.051.33611.33621.33621.33691.33630.11.67131.67141.67141.67111.67140.152.00622.00622.00622.00622.00650.22.34032.34122.34132.34092.34120.252.67582.67622.67622.67562.67590.33.00183.01053.01063.01023.01130.353.34153.34523.34513.34453.34470.43.67943.67943.67953.67883.67940.454.01374.01374.01374.01314.01360.54.34814.34814.34284.34734.34742、拟合曲线：压力/Mpa正行程平均值/V反行程平均值/V/V01.003661.002321.002990.051.334321.336341.335330.11.6730261.671321.6721730.152.005962.006262.006110.22.340482.340982.340730.252.67452.675942.675220.33.009823.008883.009350.353.344943.34423.344570.43.679543.67933.679420.454.01254.013564.013030.54.347344.346744.34704（1）所有输出平均校准曲线与拟合一阶线性直线如下3）最小二乘校准曲线： 得a=1.0016，b=6.2334。3、非线性度：压力/Mpa00.9985760.000690.051.336320.000430.11.671460.001430.152.006010.001250.22.340730.000570.252.675240.001120.33.009890.001430.353.344860.003410.43.679410.004230.454.013020.002320.54.34758 0.00215，；4、迟滞误差：压力/Mpa正行程平均值反行程平均值00.9985940.998560.000034 0.051.336531.336160.000340 0.11.671601.671320.000288 0.152.005822.006220.000400 0.22.340442.340980.000540 0.252.674452.675940.001440 0.33.009823.009920.000100 0.353.344943.344840.000100 0.43.679543.679830.000240 0.454.012854.013560.001060 0.54.347344.347780.000440 ，；5、非线性迟滞0.000034 0.000017 0.000340 0.000170 0.000288 0.000144 0.000400 0.000200 0.000540 0.000270 0.001440 0.000720 0.000100 0.000050 0.000100 0.000050 0.000240 0.000120 0.001060 0.000530 0.000440 0.000220 ，.6、重复性：00.00030.0001210.00030.0001210.0001210.050.00180.0007260.00030.0001210.000520.10.00040.0001610.00030.0001210.0001430.150.00380.0015320.00050.0002020.0010930.20.00580.0023390.00110.0004030.0016780.250.00590.0023790.00060.0002420.0016910.30.00580.0023390.00260.0010480.0018120.350.00220.0008870.00050.0002020.0006430.40.00180.0007260.00070.0002820.0005510.450.00620.002580.00060.0002420.0017760.50.00420.001