Patent ID: 11901851
Assignee: MINEBEA MITSUMI IN.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The motor drive control device according to claim 1, wherein
the drive control signal generation unit includes a PWM command unit configured to generate an operation amount of the drive control signal and a PWM signal generation unit configured to generate the drive control signal based on the operation amount,
the PWM command unit including a rotational speed setting unit configured to determine a set value of a rotational speed based on a command value of the rotational speed and a current rotational speed, a phase setting unit configured to determine a set value of a phase based on the phase adjustment instruction signal, a frequency setting unit configured to determine a set value of a frequency based on the frequency adjustment instruction signal, and an operation amount determination unit configured to determine the operation amount based on the determined set value of the rotational speed, set value of the phase, and set value of the frequency.