Speed control method and system for automotive vehicles

Details Speed control method and system for automotive vehicles Speed control method and system for automotive vehicles

1982-10-20

1985-02-26

Dolinar, Andrew M.

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

180179, 36443107, F02D 2902

Patent

active

045012849

ABSTRACT:
A vehicle speed control method comprises the steps of dividing a frequency corresponding with the actual speed by a frequency divisional ratio determined inversely proportional to a desired speed, producing a timing signal with the divided frequency, calculating a time difference between a predetermined time period corresponding with a desired speed and the total of constant time periods defined by a time period of the timing signal, calculating a time difference between both the totals of constant time periods defined by respective time periods of the preceding and following timing signals, and producing a correction signal related to the calculated time differences such that an output signal is produced to actuate a control element so as to control the quantity of fuel supplied into an engine.

REFERENCES:
patent: 4250854 (1981-02-01), Matsui et al.
patent: 4325336 (1982-04-01), Kuno et al.
patent: 4328776 (1982-05-01), Kuno et al.
patent: 4359125 (1982-11-01), Shinoda et al.

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