Electric vehicle control device

Details Electric vehicle control device Electric vehicle control device

1981-04-15

1983-06-14

Truhe, J. V.

Electricity: motive power systems

Braking

Dynamic braking

318139, 318258, 318269, H02P 314

Patent

active

043885730

ABSTRACT:
An electric vehicle control device is disclosed which includes a main circuit for supplying power from a d.c. power supply to a driving motor through a chopper, a phase shifter for controlling the conduction ratio of the chopper in such a manner that a current flowing through the driving motor is proportional to an instruction value determined by how much an accelerator pedal is trodden, a circuit for instructing a regenerative braking operation, and a changeover switch for changing over the main circuit between a power running state and a regenerative braking state. The changeover switch is changed over in the regenerative braking state when another power running state in the direction opposite to the current running direction is instructed in a predetermined time after the stop of a power running state where the chopper had a conduction ratio greater than a preset value.

REFERENCES:
patent: 3630304 (1971-12-01), Sahinkaya
patent: 3793578 (1974-02-01), Rettig
patent: 3936709 (1976-02-01), Wright
patent: 4162436 (1979-07-01), Waldorf et al.
patent: 4284930 (1981-08-01), Matty

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