Two-Stage Engine Mapping for the Calibration of Carbon Monoxide Emission

Recep Kozan, Mersin Gokce

Abstract


The calibration of a model’s parameters due to desired objectives is the main definition of model-based calibration. The calibration of a diesel engine’s two-stage model to get minimum carbon monoxide (CO) emission is described in this paper.

The data used in this study is collected in an engine test bench which can measure CO emission of the engine for different cam angle, engine speed and torque values. The different two-stage models are created by different local and global model functions. The best model among these models is chosen by statistical parameters.

Afterwards, this model is used for the calibration. The optimization of cam angle to minimize CO emissions is described. At the end of the calibration, the look-up table can be filled up with optimum cam angle values to be used in an electronic control unit of a diesel engine (ECU).


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Modern Applied Science   ISSN 1913-1844 (Print)   ISSN 1913-1852 (Online)

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