Drive control system of an electric vehicle

Details Drive control system of an electric vehicle Drive control system of an electric vehicle

2011-08-09

2011-08-09

Benson, Walter (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C318S139000, C318S434000

Reexamination Certificate

active

07994748

ABSTRACT:
The object of the present invention is provide a drive control system of an electric vehicle that can prevent overshoot of the amount of slip. The drive control system of the electric vehicle includes: a motor to drive a driving wheel; a PDU; a number-of-revolution sensor that detects the number of revolutions of the motor; a grip number of revolutions calculating device for calculating the current grip number of revolutions of the motor; a motor power limiting value calculating portion and a conversion portion that determines the limiting torque value of the motor; and a driving torque determining portion that determines the driving torque of the motor.

REFERENCES:
patent: 6321865 (2001-11-01), Kuribayashi et al.
patent: 2008/0315813 (2008-12-01), Yamada et al.
patent: 02-299402 (1990-12-01), None
patent: 03027702 (1991-02-01), None
patent: 2674828 (1997-07-01), None

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