Propulsion control system for electrically powered vehicles

Details Propulsion control system for electrically powered vehicles Propulsion control system for electrically powered vehicles

1974-05-01

1976-08-10

Schaefer, Robert K.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

H02P 506

Patent

active

039744299

ABSTRACT:
Propulsion control system for electrically powered vehicles, typically heavy duty off-road type work vehicles having electric motor driven wheels. In embodiment shown, power is supplied from direct current generator driven by internal combustion engine. Motor and generator field excitation is automatically varied responsive to selected machine operating conditions and improved means are provided to accomplish such variation. The provision and application of certain propulsion system parameters effects improved machine performance with minimum demand for operator skill and attention.

REFERENCES:
patent: 2393619 (1946-01-01), Edwards
patent: 3019379 (1962-01-01), Zarleng

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