LEARNING CONTROL DEVICE OF AIR-FUEL RATIO OF INTERNAL-COMBUSTION ENGINE

摘要

PURPOSE:To expand effect of learning control and improve controllability in transient operation by providing a learning correcting coefficient correcting means for correcting learning correcting coefficient from the time in deviation of feedback correcting coefficient and rewriting in transient condition. CONSTITUTION:A first learning correcting coefficient correcting means I learns mean value of deviation from standard value of feedback correcting coefficient and corrects the learning correcting coefficient and rewrites in normal condition. A second learning correcting coefficient correcting means J learns the time till the increase and decrease direction of feedback correcting coefficient is reversed and corrects the learning correcting coefficient and rewrites in transient condition. Thus, learning accuracy and learning speed are improved and effect of learning control is expanded, and controllability in transient operation becomes better.