Rotor study of inductive angle sensor

Inductive angle sensor consists of the excitation coil, two receiving coils, the rotor. The sensor is based on electromagnetic induction. The structure of the sensor affects the performance of the sensor, the rotor is chosen to do the research, the rotor includes coil-rotor, hollow-rotor and solid-rotor. After performances of the sensors with different rotors using simulation are compared, the current density in coil-rotor is the lowest because of the biggest impedance among the rotors, the current density in the solid-rotor from electromagnetic induction is similar to the current density of hollow-rotor. The induced voltage of the receiving coil with hollow rotor is the biggest among different rotors, but the Adjusted R-squared of the induced voltage with solid rotor is 0.997.