期刊
CONTROL ENGINEERING PRACTICE
卷 21, 期 12, 页码 1744-1755出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2013.08.012
关键词
Variable-valve-actuation; Variable-valve-timing; Camless; Spark-ignition engine; Aspirated mass model
Modelling the cylinder filling process on variable-valve-actuation equipped spark-ignition engines is addressed in this paper. It is developed using first principles equations for the aspirated gas masses. These analytic equations include cylinder-peripheral thermodynamic conditions along with the intake and exhaust valve lift histories. Following a general formulation of the breathing phenomenon, a versatile model is proposed for any type of variable valve gear device. Two particular cases of variable-valve-timing and camless equipped engines are detailed. The model is calibrated using experimental data obtained at test bench. For both cases, good representativeness of the model shows the relevance of the approach. (C) 2013 Elsevier Ltd. All rights reserved.
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