| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric motor drive control device capable of correcting a detection angle of a resolver considering an operating condition of a DC electric motor affecting a switching noise condition.SOLUTION: The electric motor drive control device includes a detection angle obtaining part 27 obtaining the detection angle of the resolver 44; a correction information storage part 25 storing correction information for correcting the detection angle, in association with a modulation ratio which is a ratio of an effective value of a fundamental wave component of an AC voltage to a system voltage; and a detection angle correcting part 28 obtaining the correction information from a correction information storage part 25, based on the modulation ratio at the time the detection angle obtaining part 27 obtains the detection angle, and correcting the detection angle based on the correction information. |
