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A reduced order turbocharging process model for manifold pressure control with EGR
ISSN: 0148-7191, e-ISSN: 2688-3627
Published December 19, 2019 by SAE International in United States
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A mean value turbocharged engine model is useful in terms of accuracy and convenience for fuel economy strategies or engine controller development. Turbocharging process is a feedback system with a positive gain, i.e. increasing exhaust work leads to increasing a cycle work. The gain of the feedback system is determined mainly by exhaust work ratio in a cycle and inertia of the turbine. The work ratio was investigated based on engine test with EGR. A turbocharging process model was obtained using the work ratio in a cycle and theoretical equations. The model is applied to investigate manifold absolute pressure response with EGR.
CitationTogai, K. and Fujinaga, N., "A reduced order turbocharging process model for manifold pressure control with EGR," SAE Technical Paper 2019-01-2212, 2019, https://doi.org/10.4271/2019-01-2212.
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