Electronic throttle controlling apparatus for use in an internal

Details Electronic throttle controlling apparatus for use in an internal Electronic throttle controlling apparatus for use in an internal

1988-12-22

1990-04-24

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Open loop condition responsive

123361, 123340, F02D 700, F02D 4100

Patent

active

049190962

ABSTRACT:
A control unit outputs a data through an execution of each frequency of an engine driving operation condition such as an operation amount of an accelerator pedal, an engine speed, and a gear position. Frequency distribution of the engine driving condition is made through an addition processing and a subtraction processing in an area division. The present target throttle opening degree is determined through an area division judgment in the control unit. An actual throttle opening degree is adjusted so as to become a target throttle opening degree. The target throttle opening degree is searched through a map for searching the target throttle opening degree. The obtained engine control conditions are stored and memorized successively in the control unit, and an engine control characteristic is selected in sequence according to the memorized results. An operation characteristic corresponding to the driver's driving operation is selected and an optimum operability performance is obtained.

REFERENCES:
patent: 4506642 (1985-03-01), Pfalzgraf et al.
patent: 4735183 (1988-04-01), Inoue et al.
patent: 4781162 (1988-11-01), Ishikawa et al.
patent: 4787353 (1988-11-01), Ishikawa et al.
patent: 4799467 (1989-01-01), Ishikawa et al.
patent: 4811712 (1989-03-01), Itow
patent: 4811713 (1989-03-01), Shimada et al.

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