Method and apparatus for controlling internal combustion engines

Details Method and apparatus for controlling internal combustion engines Method and apparatus for controlling internal combustion engines

1978-05-16

1980-10-21

Gruber, Felix D.

Boots, shoes, and leggings

123486, 123594, 364300, 364735, G05B 1502, G06F 738, F02D 500

Patent

active

042297931

ABSTRACT:
A method and apparatus for controlling an internal combustion engine by a digital computer. A pulse generator for generating reference pulse signals in synchronism with the rotation of the crankshaft of the engine is associated with the digital computer which is programmed to discriminate the rotational speed of the engine is higher or lower than a predetermined value in response to the reference signals and digitally calculate a required amount of fuel to be supplied to the engine or the like. When the rotational speed is discriminated to be lower than the predetermined value, the required calculation, including first and second portions is completed in response to each reference pulse signal and the combustion of the engine is controlled according to the calculated value, whereas when the rotational speed is discriminated higher than the predetermined value, the first and second portions of the calculation are performed alternately in response to successive reference pulse signals, and with each reference pulse the results of the most recently executed first and second portions are combined to form a calculated value and the combustion of the engine is controlled in accordance with the calculated value.

REFERENCES:
patent: 3906207 (1975-09-01), Rivere
patent: 3969614 (1976-07-01), Moyer et al.
patent: 4009378 (1977-02-01), Sakamoto
patent: 4009699 (1977-03-01), Hetzler et al.
patent: 4099495 (1978-07-01), Kiencke et al.
Nikkei Electronics Books, pp. 202, 203, published May 20, 1976, All about the Micro-Computer Technology.

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