Electrically powered vehicle control

Details Electrically powered vehicle control Electrically powered vehicle control

1981-09-14

1983-11-15

Pekar, John A.

Motor vehicles

Steering by driving

Independently operable drive motors

180DIG3, 318 60, 318 67, 318269, B62D 1104

Patent

active

044150490

ABSTRACT:
An electric control is disclosed for an electrically powered vehicle having independently controlled left and right drive motors and associated drive wheels to propel and steer the vehicle. The electrical control includes left and right closed loop control circuits for respectively accelerating either or both of the drive wheels whenever a speed command or error signal associated with such drive wheel exceeds a first determined value. Dynamic braking is provided by connecting in parallel electrical relationship an associated brake resistor across one or both of the motors whenever the speed command signal associated with such motor does not exceed a second predetermined value.

REFERENCES:
patent: 3812929 (1974-05-01), Farque
patent: 3893530 (1975-07-01), Gordon
patent: 4296361 (1981-10-01), Archer

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