Transactions of Nanjing University of Aeronautics & Astronautics
Mutual Inductance Calculation Between Arbitrarily Positioned Polygonal Coils
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Abstract:
Polygonal coil systems are designed for increasing and more kinds of sensors and electromagnetic systems. This paper presents a method for calculating mutual inductance between polygonal coils including irregular polygons. Based on the Biot-Savart law， the method calculates mutual inductance by dividing a polygonal coil into finite wires， and expresses the magnetic induction intensity generated by the excitation coil as a function of the spatial position of each vertex of the coil. The calculation method of the feasible region of the objective function is updated and the calculation process is simplified， so the calculation accuracy is improved. For octagon coils arbitrarily positioned in space， the accuracy of the algorithm is verified by the simulation and experiment.
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Clc Number:
TH89
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