健康监测传感器分析.docVIP

Project One Cable force estimation for on-site cable monitoring Known information: The wavelength variations and the theoretical cable forces are given. The data are from cable factory construction site. Question: Please estimate the cable forces with wavelength measurements listed in the following table and answer further questions listed below. Solution 首先，通过数据分析，我们要得到波长的变化值 张拉顺序号 智能索索号 应变筋I波长(nm) 应变筋II波长(nm) 温度筋波长(nm) 应力波长变化值1 应力波长变化值2 温度波长变化值 波长综合变化值 0 LS54 1546.077 1537.978 1564.875 1 LS54 1546.130 1538.288 1564.813 0.053 0.310 -0.062 0.243 2 LS54 1546.144 1538.370 1564.822 0.067 0.392 -0.053 0.283 3 LS54 1546.181 1538.451 1564.837 0.104 0.473 -0.038 0.327 4 LS54 1546.243 1538.515 1564.848 0.166 0.537 -0.027 0.379 5 LS54 1546.298 1538.581 1564.850 0.221 0.603 -0.025 0.437 6 LS54 1546.210 1538.427 1564.814 0.133 0.449 -0.061 0.352 7 LS54 1546.200 1538.437 1564.821 0.123 0.459 -0.054 0.345 8 LS54 1546.301 1538.584 1564.861 0.224 0.606 -0.014 0.429 9 LS54 1546.520 1538.829 1564.875 0.443 0.851 0.000 0.647 10 LS54 1546.771 1539.051 1564.864 0.694 1.073 -0.011 0.894 11 LS54 1546.773 1539.045 1564.858 0.696 1.067 -0.017 0.899 12 LS54 1546.899 1539.157 1564.846 0.822 1.179 -0.029 1.029 13 LS54 1546.990 1539.243 1564.856 0.913 1.265 -0.019 1.108 14 LS54 1546.989 1539.234 1564.840 0.912 1.256 -0.035 1.119 15 LS54 1547.038 1539.280 1564.846 0.961 1.302 -0.029 1.160 16 LS54 1547.038 1539.278 1564.842 0.961 1.300 -0.033 1.163 17 LS54 1546.941 1539.176 1564.787 0.864 1.198 -0.088 1.119 18 LS54 1546.938 1539.174 1564.805 0.861 1.196 -0.070 1.098 为了建立索力与波长的关系，我们设前5个点作为标定值，如下表所示，因为波长的变化值与索力的变化值存在一定的关系。 张拉顺序号 智能索索号 波长综合变化值 索力变化差值 索力（kN） 油泵加载级别（油泵加载力.kN） 理论值（kN） 0 LS54 0.00 初始 0.00 标定值 1 LS54 0.243 775.600 775.60 20%(标定) 775.60 2 LS54 0.283 969.500 969.50 25%(标定) 969.50 3 LS54 0.327 1163.400 11