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Non-contacting measurement of torque and axial translation in high-speed rotating shafts

机译：高速旋转轴中扭矩和轴向平移的非接触式测量

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摘要

This paper focuses on the development and experimental demonstration of a unique non-contacting Variable Reluctance (VR) sensor system that enables simultaneous estimation of torque, speed, and axial translation in high-speed rotating shafts. A novel tooth geometry is introduced featuring alternating slants on every third tooth of an otherwise standard toothed wheel. A novel torque and axial processing (TAP) algorithm allows axial translation to be extracted from the VR sensor measurements. Simulations confirm shaft speed, torque, and axial translation can be accurately estimated based on timing measurements. Experiments conducted on a high-speed driveshaft further validate the TAP approach and reveal that the accuracy of shaft torque estimation improves significantly with axial translation compensation.
机译：本文重点研究独特的非接触式可变磁阻（VR）传感器系统的开发和实验演示，该系统可同时估算高速旋转轴中的扭矩，速度和轴向平移。引入了一种新颖的齿几何结构，其特征是在其他标准齿轮的每三个齿上都交替出现倾斜。新颖的扭矩和轴向处理（TAP）算法允许从VR传感器的测量结果中提取轴向平移。仿真结果表明，可以基于正时测量准确地估计轴速度，扭矩和轴向平移。在高速传动轴上进行的实验进一步验证了TAP方法的有效性，并揭示了轴扭矩估算的精度通过轴向平移补偿得到了显着提高。

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