Physics-Based Lumped-Parameter Modeling of Automotive Canister Fuel Purge

Matthew Franchek; Behrouz Ebrahimi; Karolos Grigoriadis; Imad Makki

doi:10.1115/1.4033486

Physics-Based Lumped-Parameter Modeling of Automotive Canister Fuel Purge

Matthew Franchek, Behrouz Ebrahimi, Karolos Grigoriadis, Imad Makki

Houston Methodist

Research output: Contribution to journal › Article › peer-review

Abstract

A physics-based model is presented to estimate the flow rate out of the fuel canister purged into the intake manifold. The lumped parameters of the model, including canister capacitance and flow resistance, are employed to obtain a first-order multi-input and single-output dynamic model. The vacuum pressure in the intake manifold and the fuel tank pressure serve as inputs, and the purged fuel flow rate is considered as the model output. The model does not require cumbersome computation, thereby allowing direct implementation in the fueling control to compensate for the extra fuel in regulation of the stoichiometric air-fuel ratio.

Original language	English (US)
Article number	071008
Journal	Journal of Dynamic Systems, Measurement and Control, Transactions of the ASME
Volume	138
Issue number	7
DOIs	https://doi.org/10.1115/1.4033486
State	Published - Jul 1 2016

Keywords

Canister purge model
multi-input single-output system
parameter estimation
physics-based modeling

ASJC Scopus subject areas

Control and Systems Engineering
Information Systems
Instrumentation
Mechanical Engineering
Computer Science Applications

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title = "Physics-Based Lumped-Parameter Modeling of Automotive Canister Fuel Purge",

abstract = "A physics-based model is presented to estimate the flow rate out of the fuel canister purged into the intake manifold. The lumped parameters of the model, including canister capacitance and flow resistance, are employed to obtain a first-order multi-input and single-output dynamic model. The vacuum pressure in the intake manifold and the fuel tank pressure serve as inputs, and the purged fuel flow rate is considered as the model output. The model does not require cumbersome computation, thereby allowing direct implementation in the fueling control to compensate for the extra fuel in regulation of the stoichiometric air-fuel ratio.",

keywords = "Canister purge model, multi-input single-output system, parameter estimation, physics-based modeling",

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AU - Franchek, Matthew

AU - Ebrahimi, Behrouz

AU - Grigoriadis, Karolos

AU - Makki, Imad

PY - 2016/7/1

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N2 - A physics-based model is presented to estimate the flow rate out of the fuel canister purged into the intake manifold. The lumped parameters of the model, including canister capacitance and flow resistance, are employed to obtain a first-order multi-input and single-output dynamic model. The vacuum pressure in the intake manifold and the fuel tank pressure serve as inputs, and the purged fuel flow rate is considered as the model output. The model does not require cumbersome computation, thereby allowing direct implementation in the fueling control to compensate for the extra fuel in regulation of the stoichiometric air-fuel ratio.

AB - A physics-based model is presented to estimate the flow rate out of the fuel canister purged into the intake manifold. The lumped parameters of the model, including canister capacitance and flow resistance, are employed to obtain a first-order multi-input and single-output dynamic model. The vacuum pressure in the intake manifold and the fuel tank pressure serve as inputs, and the purged fuel flow rate is considered as the model output. The model does not require cumbersome computation, thereby allowing direct implementation in the fueling control to compensate for the extra fuel in regulation of the stoichiometric air-fuel ratio.

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KW - multi-input single-output system

KW - parameter estimation

KW - physics-based modeling

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Physics-Based Lumped-Parameter Modeling of Automotive Canister Fuel Purge

Abstract

Keywords

ASJC Scopus subject areas

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