Learning and control apparatus for electronically controlled internal combustion engine

Patent · Tue Mar 08 00:00:00 EST 1988

OSTI ID:5139521

Tomisawa, N; Koshiba, Y

A learning and control apparatus for an electronically controlled internal combustion engine, is described, which comprises means for detecting driving states of the engine, means for detecting an actual controlled value of the engine, basic control value setting means for setting a basic control value corresponding to a desired control value of an object of control in the detected driving states of the engine, memory means for storing a learning correction quantity for correcting the basic control value for every region of the driving state of the engine, learning correction quantity retrieving means for retrieving a learning correction quantity for the memory means under the same driving conditions as those of the actual controlled value detected, feedback correction quantity setting means for comparing the actual controlled value detected with the desired control value learning correction quantity renewal means for setting a new learning correction quantity form the feedback correction quantity and the retrieved learning correction quantity and renewing the learning correction quantity stored in the memory means under the same driving states by the new learning correction quantity and control value computing means for computing a control value from the basic control value.

• Assignee: Japan Electric Control Systems Co., Ltd.
• Patent Number(s): US 4729359
• OSTI ID: 5139521
• Resource Relation: Patent File Date: Filed date 25 Jun 1986
• Country of Publication: United States
• Language: English

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