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Hall-Effect Sensor Design With Physics-Informed Gaussian Process Modeling
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DOI：10.1109/JSEN.2022.3216499.png)
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摘要
En 中文
Magnetic field sensor devices have been widely used to track changes in magnetic flux concentration, and the Hall sensors are promising in many engineering applications. Design optimization of the Hall effect sensor is required to ensure the quality and capability of the device when in service. Even though there have been empirical models established from experiments to guide the design of the Hall effect sensor, the underlying relationship between Hall effect sensor design parameters and corresponding performances has not been looked into thoroughly. This article presents a physics-informed machine learning technique to optimize the geometry design of Hall magnetic sensors for a low offset and high sensitivity characteristic. Multiphysics-based finite element models were first developed to simulate and predict the Hall voltage, offset voltage, and sensor sensitivity of different Hall effect sensors with various geometries. In addition, to improve the design efficiency, Gaussian process (GP)-based surrogate models were constructed from multiphysics-based simulation results to effectively investigate the Hall sensor performances with an adaptive sampling strategy. Three types of geometries of Hall sensors were studied and optimized with the proposed physics-informed GP model; the obtained results were consistent with the empirical experimental result. The optimized Hall-effect sensor is simulated at a high temperature (800 degrees C), and simulation data align with experimentally obtained results.
Keyword:
Design optimization
Gaussian process (GP)
Hall-effect sensor
machine learning
surrogate modeling
期刊
IF:
4.5
论文数:
2.1W
被引数:
7.3W
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