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首页> 外文期刊>The European physical journal. Applied physics >Lift-off and tilt effects on eddy current sensor measurements: a 3-D finite element study
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Lift-off and tilt effects on eddy current sensor measurements: a 3-D finite element study

机译：升起和倾斜对涡流传感器测量的影响：3D有限元研究

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摘要

The eddy current sensor method is widely used to evaluate conductive parts. The eddy current measurements are very sensitive to the variations of the sensor positioning relatively to the part under evaluation, which can disturb consequently such evaluation. The effect of the variation of the positioning of a sensor having an U-shaped magnetic core has been studied by 3-D finite element computations. The results show that the tilt and the lift-off of the sensor relatively to the part under evaluation induce similar straight lines in the normalized impedance plane. Consequently their effect can be corrected fairly thanks to a single processing. This notably allows to reduce the sensor handling during its calibration as well as the calibration time.
机译：涡流传感器方法被广泛用于评估导电零件。涡流测量对传感器相对于被评估零件的位置变化非常敏感，因此会干扰这种评估。已经通过3-D有限元计算研究了具有U形磁芯的传感器的位置变化的影响。结果表明，传感器相对于待测零件的倾斜和提离在归一化阻抗平面中感应出相似的直线。因此，由于进行了一次处理，它们的效果可以得到相当大的校正。尤其是，这可以减少传感器在校准过程中的处理以及校准时间。

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