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Transient Exhaust Gas Improvement By Adaptive Neural Network
Published October 22, 1996 by Society of Automotive Engineers of Japan in Japan
Event: Autumn Conference
Three Way Catalyzer (TWC) is the most common exhaust gas treatment device for a gasoline engine. In order to use TWC effectively, however, A/F must be kept within so-called window, which is a very narrow range. But as well known when an engine is in transient state, useful system can't keep A/F within window because of losing the balance of fuel adhesion and evaporation in the intake manifold. For this, feedfoward system with adaptive neural network is applied to keep A/F within window even in transient state. Relatively good results were obtained