A giant magnetoimpedance angle sensor for measuring angle of stepped motor shaft

Yufeng Luo; Siyuan Liu; Yingjie Zhang; Han Zhang

doi:10.1117/12.2646945

7 September 2022 A giant magnetoimpedance angle sensor for measuring angle of stepped motor shaft

Yufeng Luo, Siyuan Liu, Yingjie Zhang, Han Zhang

Proceedings Volume 12329, Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022); 123293S (2022) https://doi.org/10.1117/12.2646945
Event: Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022), 2022, Changsha, China

Abstract

No researches on measurement of micro angle using giant magnetoimpedance sensors have been reported. In this work, a sensitive angle measuring instrument - giant magnetoimpedance (GMI) angle sensor is reported to measure the angle of a stepper motor shaft at a long distance. The operating principle of the developed micro angle sensor is based on giant magnetoimpedance effect. By analyzing the experimental results under different conditions, the performance of GMI micro angle measurement system is discussed. The experimental results show that the GMI angle sensor can distinguish the micro angle change of 0.056° at a distance of 7 cm between sensor and coil, and still output a high voltage response of 5 V at 4 cm. With high sensitivity and resolution, GMI angle sensor shows a great ability of detecting micro angle, displaying a tremendous application potential in micro angle measurement.

Citation Download Citation

Yufeng Luo, Siyuan Liu, Yingjie Zhang, and Han Zhang "A giant magnetoimpedance angle sensor for measuring angle of stepped motor shaft", Proc. SPIE 12329, Third International Conference on Artificial Intelligence and Electromechanical Automation (AIEA 2022), 123293S (7 September 2022); https://doi.org/10.1117/12.2646945

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