Motor vehicles – Including one or more ski-like or runner members – With at least one surface-engaging propulsion element
Patent
1976-02-23
1977-09-06
Goodman, Philip
Motor vehicles
Including one or more ski-like or runner members
With at least one surface-engaging propulsion element
2351502, 361236, B60K 3100
Patent
active
040462137
ABSTRACT:
An electronic digital control system for vehicle speed control of the type using a throttle servoactuator responsive to an electrical control signal. The control system includes a function switch which, when selectively actuated by the vehicle operator, causes the controller to index the sensed vehicle speed by a predetermined increment and accelerates the vehicle to said indexed speed. The controller regulates vehicle speed by repetitively calculating the parameters of a governing equation and providing a control signal in the form of a series of width modulated electrical pulses having the width thereof proportional to the sum of the parameters of the governing equation. The control system utilizes only a single counting means for registering vehicle speed and the desired set, or reference, speed.
REFERENCES:
patent: 3455411 (1969-07-01), Carp et al.
patent: 3869019 (1975-03-01), Cardani
patent: 3885137 (1975-05-01), Ooya et al.
patent: 3891046 (1975-06-01), Oicles
Eaton Corporation
Goodman Philip
Siemens Terrance L.
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