Electric motor drive control method and apparatus

Details Electric motor drive control method and apparatus Electric motor drive control method and apparatus

2007-08-10

2010-06-01

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Automatic and/or with time-delay means

With respect to a fixed standard, master or reference device

C318S461000

Reexamination Certificate

active

07728541

ABSTRACT:
An electric motor drive control method includes deriving a target current from a target torque to apply electric current corresponding to the target current to an electric motor. When a rotation speed of the motor is in a predetermined speed region, including a zero rotation speed at which the target current for driving the motor allocated to the target torque is switched discontinuously, the target current corresponding to the rotation speed is obtained through a linear interpolation using the rotation speed and target currents at a traction side and a regeneration side allocated to the target torque such that the electric current corresponding to the target current is applied to the motor.

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