| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor temperature estimation device that is capable of estimating a motor temperature with a simple construction.SOLUTION: A motor temperature estimation device includes: voltage output means for calculating and outputting a driving voltage for causing a motor to rotate; rotation angle detection means for detecting a rotation angle of the motor; current estimation means for estimating a driving current flowing in the motor on the basis of the driving voltage outputted by the voltage output means and the rotation angle detected by the rotation angle detection means; and motor temperature estimation means for estimating a temperature change of the motor on the basis of the driving current estimated by the current estimation means and a first order delay function. |
