Analytical tool for optimization of position sensors based on eddy currents effect.

Area of Science:

• Electrical Engineering
• Electromagnetics
• Computational Physics

Background:

• Accurate inductance calculation is crucial for designing inductive components.
• Existing methods like Finite Element Model (FEM) simulations can be computationally intensive.
• Versatile and efficient tools are needed for analyzing planar coils with conductive targets.

Purpose of the Study:

• To introduce an open-source tool for rapid and precise inductance calculation of planar coils.
• To provide a versatile solution applicable to various coil and target geometries.
• To validate the tool's performance against experimental data and FEM simulations.

Main Methods:

• Development of an analytical tool based on Grover equations.
• Validation through comparison with experimental measurements.
• Validation through comparison with Finite Element Model (FEM) simulations.

Main Results:

• The analytical tool provides fast and precise inductance calculations.
• Results from the tool and FEM simulations show differences below 4% compared to experimental data.
• The proposed tool is significantly faster than FEM simulations and requires fewer computational resources.

Conclusions:

• The developed open-source tool offers an effective approach for analytical inductance calculation.
• The tool combines accuracy, versatility, and speed, making it a valuable resource.
• It presents a computationally efficient alternative to FEM for planar coil analysis.