Method for correcting a controlled variable for the control of t

Details Method for correcting a controlled variable for the control of t Method for correcting a controlled variable for the control of t

1983-12-05

1985-07-09

Lall, Parshotam S.

Internal-combustion engines

Charge forming device

Fuel injection system

73118, F02M 5100

Patent

active

045275300

ABSTRACT:
In a method for correcting the controlled variable of an engine according to the present invention, the quantity of suction air is measured by means of a thermal type flowmeter. The magnitude of pulsation of the suction air is obtained on the basis of the differential or variation of the measured section air quantity. At the same time, a coefficient representing the susceptibility to the pulsation which depends on the layout of the thermal type flowmeter and the like and the engine speed is calculated. A final correction for correcting the controlled variable is obtained on the basis of the magnitude of the pulsation and the coefficient representing the susceptibility.

REFERENCES:
patent: 3788285 (1974-01-01), Gelin et al.
patent: 3818877 (1974-06-01), Barrera et al.
patent: 4089214 (1978-05-01), Egami et al.
patent: 4334426 (1982-06-01), Kita et al.
patent: 4386520 (1983-06-01), Nagaishi

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