Title:
MOTOR CONTROL METHOD AND MOTOR CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2023072564
Kind Code:
A
Abstract:
To provide a motor control method and a motor control device that can appropriately perform switching between current vector control and voltage phase control both in normal operation and at a sudden change in load.SOLUTION: A motor control method controls a motor while switching between a first control mode (current vector control) for feeding back a current value of a motor 11 to a current target value that is a target value of a current supplied to the motor 11, thereby calculating a voltage command value for controlling the motor 11, and a second control mode (voltage phase control) for feeding back the current value or a parameter calculated based on the current value to a command value related to the phase of a voltage supplied to the motor, thereby calculating the voltage command value. A delay time is set to the switching between the first control mode and the second control mode. The delay time for the switching from the second control mode to the first control mode is changed according to a power supply voltage Vdc.SELECTED DRAWING: Figure 2
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Inventors:
SHOJI MITSUHIRO
Application Number:
JP2021185200A
Publication Date:
May 24, 2023
Filing Date:
November 12, 2021
Export Citation:
Assignee:
NISSAN MOTOR
International Classes:
H02P21/22
Attorney, Agent or Firm:
Patent Attorney Corporation Goto Patent Office
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