曲面基体绝缘涂镀层涡流测厚高精度标定方法

陶正瑞,党嘉强,徐锦泱,安庆龙,陈明,王力,任斐

High-precision calibration methods of thickness measurement for insulation coation on curved surface based on eddy current

Zheng-rui TAO,Jia-qiang DANG,Jing-yang XU,Qing-long AN,Ming CHEN,Li WANG,Fei REN

表 5 5种标定方法在2种不同试件上的测量值误差统计

Tab.5 Error statistics of five calibration methods on tow different testing parts

试件 标定方法 SSE / mm2 RMSE / mm Emax / mm Δt / ms 试件2 Poly9 0.307 3 0.057 8 0.216 5 0.12 Fourier7 0.114 5 0.035 3 0.136 5 0.19 Gauss8 0.143 8 0.039 5 0.157 8 1.19 RBPNN 0.040 8 0.021 9 −0.103 6 3.77 Plane 1 300.000 0 3.759 9 8.816 5 0.17 试件3 Poly9 0.974 8 0.107 7 0.437 2 0.11 Fourier7 0.296 8 0.059 4 −0.198 3 0.15 Gauss8 0.177 8 0.046 −0.200 5 1.12 RBFNN 0.033 0 0.018 9 −0.068 5 6.51 Plane 739.000 0 2.966 8 7.273 9 0.12