Control apparatus for an internal combustion engine

Details Control apparatus for an internal combustion engine Control apparatus for an internal combustion engine

2005-05-03

2005-05-03

Mohanty, Bibhu (Department: 3747)

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

C123S438000

Reexamination Certificate

active

06886531

ABSTRACT:
A control apparatus for an internal combustion engine can limit a vehicle speed within a permitted maximum speed with high accuracy by preventing a response delay of a throttle opening with respect to an amount of intake air while avoiding deterioration of driveability. The apparatus includes a target opening calculating section that calculates a target opening of an electronic throttle valve from an accelerator opening, and an electronic control section that drives the electronic throttle valve to make the throttle opening coincide with the target opening. The target opening calculating section includes a correction factor calculating section that calculates a correction factor for correcting the target opening. The correction factor calculating section sets arithmetic calculation gains of mutually different correction factors for ranges of different characteristics in accordance with characteristics between the throttle opening and the intake air amount, whereby the target opening is controlled to prevent the vehicle speed from exceeding the permitted maximum speed.

REFERENCES:
patent: 6318349 (2001-11-01), Muto et al.
patent: 6792914 (2004-09-01), Fuwa
patent: 61-277843 (1986-12-01), None

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