Control apparatus for electric vehicles

Details Control apparatus for electric vehicles Control apparatus for electric vehicles

2007-02-20

2008-10-28

Ip, Paul (Department: 2837)

Electricity: motive power systems

Battery-fed motor systems

C318S149000, C318S151000, C323S909000, C323S909000

Reexamination Certificate

active

07443117

ABSTRACT:
In a hybrid vehicle control apparatus, a motor control unit executes a system voltage stabilization control, in which an input power to a MG unit is controlled to suppress variations in the system voltage. The motor control unit executes the input power control on the MG unit independently from a torque control on an AC motor so that the input power control and the torque control are stabilized. Before a smoothing capacitor is sufficiently, a conversion voltage control is executed to control an output voltage of a voltage booster converter while prohibiting the system voltage stabilization control. After the pre-charging of the capacitor, the conversion voltage control is changed to the conversion power control.

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