Partially premixed combustion multi-cylinder engine cycle-to-cycle-oriented temperature estimation and control
by Lianhao Yin; Gabriel Ingesson; Rolf Johansson; Per Tunestål; Bengt Johansson
International Journal of Powertrains (IJPT), Vol. 6, No. 1, 2017

Abstract: Advanced combustion concepts like partially premixed combustion (PPC) are sensitive to inlet gas conditions especially inlet temperature. To estimate the combustion parameters like ignition delay on a cycle-to-cycle basis, both complementary filter and extended Kalman filter were designed to estimate the inlet temperature, and the ignition delay was calculated with properly estimated temperature. A two valve fast thermal management system was used to control the inlet temperature, and a PI controller with the lambda tuning method was used. The estimation and control algorithm were verified on a six-cylinder heavy duty engine.

Online publication date: Wed, 15-Mar-2017

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