Vehicle engine output control apparatus

Details Vehicle engine output control apparatus Vehicle engine output control apparatus

1990-01-19

1991-12-17

Chin, Gary

Boots, shoes, and leggings

36442602, 180197, F02D 1110

Patent

active

050738658

ABSTRACT:
A slip value of a driving wheel is calculated on the basis of driving and driven wheel velocities detected by wheel velocity sensors, a target engine output of a vehicle is set in accordance with the slip value of the driving wheel, a target intake air amount to the engine is set in accordance with the target engine output, a target opening of a throttle valve is set based on the target intake air amount, an opening correction value of the throttle valve is calculated in accordance with a deviation between the target intake air amount and an actual intake air amount detected by an air flow sensor, the opening of the throttle valve is controlled to attain an opening as a sum of the target opening and the opening correction value when the air flow sensor is in a normal state, and the throttle valve opening is controlled to a basic target opening when a malfunction occurs in the air flow sensor, thereby achieving engine output control by a traction controller even when a malfunction occurs in the air flow sensor.

REFERENCES:
patent: 4985837 (1991-01-01), Togai et al.
patent: 5018383 (1991-05-01), Togai et al.
patent: 5019989 (1991-05-01), Ueda et al.

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