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.

Issue Section:
Research Papers
Keywords:
Automotive controls, Modeling and simulation, Dynamic systems
Topics:
Flow (Dynamics), Fuel storage, Fuels, Intake manifolds, Modeling, Physics, Pressure, Capacitance

References

1.
Henry
,
G.
, and
Heinke
,
G. W.
,
1996
,
Environmental Science and Engineering
, 2nd ed.,
Prentice-Hall
,
Abingdon, UK
.
2.
EPA
,
2015
, “
Sources of Greenhouse Gas Emissions
,” United States Environmental Protection Agency, Washington, DC.
3.
Ebrahimi
,
B.
,
Tafreshi
,
R.
,
Masudi
,
H.
,
Franchek
,
M.
,
Mohammadpour
,
J.
, and
Grigoriadis
,
K.
,
2014
, “
Second-Order Sliding Mode Strategy for Air–Fuel Ratio Control of Lean-Burn SI Engines
,”
IEEE Trans. Control Syst. Technol.
,
22
(
4
), pp.
1374
–
1384
.
Google Scholar
Crossref
Search ADS
 
4.
Ebrahimi
,
B.
,
Tafreshi
,
R.
,
Masudi
,
H.
,
Mohammadpour
,
J.
,
Franchek
,
M.
, and
Grigoriadis
,
K.
,
2012
, “
A Linear Parameter-Varying Filtered PID Control for Spark Ignition Engines
,”
Control Eng. Pract.
,
20
(
8
), pp.
805
–
815
.
Google Scholar
Crossref
Search ADS
 
5.
Degobert
,
P.
,
1995
,
Automobiles and Pollution
,
Society of Automotive Engineers
,
Paris
.
6.
Sultan
,
M.
,
Kushion
,
M.
,
Wind
,
R.
, and
Folkerts
,
C.
,
1998
, “
Closed Loop Canister Purge Control System
,”
SAE
Technical Paper No. 980206.
7.
Scholl
,
S.
,
Kajszika
,
H.
, and
Mersmann
,
A.
,
1993
, “
Adsorption and Desorption Kinetics in Activated Carbon
,”
Gas Sep. Purif.
,
7
(
4
), pp.
207
–
212
.
Google Scholar
Crossref
Search ADS
 
8.
Cheremisinoff
,
N. P.
, and
Cheremisinoff
,
P. N.
,
1993
,
Carbon Adsorption for Pollution Control
,
PTR Prentice Hall
,
Englewood Cliffs, NJ
.
9.
Aronson
,
P.
,
Neretnieks
,
I.
, and
Westermark
,
M.
,
1978
, “
Adsorption del 2
,”
Kem. Tidskr.
,
7
, pp.
20
–
25
.
10.
Jerrelind
,
J.
,
1998
, “
A Study in Model Based Control of an Evaporation Emissions Management System
,”
M.S. thesis
, Linkoping University, Linkoping, Sweden.
11.
Zaremba
,
A.
, and
Jennings
,
M.
,
2011
, “
Purge Modeling for New Propulsion System Technology Applications
,”
SAE Int. J. Engines
,
4
(
1
), pp.
998
–
1006
.
Google Scholar
Crossref
Search ADS
 
12.
Lavoie
,
G.
,
Johnson
,
P.
, and
Hood
,
J.
,
1996
, “
Carbon Canister Modeling for Evaporative Emissions: Adsorption and Thermal Effects
,”
SAE
Technical Paper No. 961210.
13.
Yoo
,
I. K.
,
Upadhyay
,
D.
, and
Rizzoni
,
G.
,
1999
, “
A Control-Oriented Carbon Canister Model
,”
SAE
Technical Paper No. 1999-01-1103.
14.
Mellios
,
G.
, and
Samaras
,
Z.
,
2007
, “
An Empirical Model for Estimating Evaporative Hydrocarbon Emissions From Canister-Equipped Vehicles
,”
Fuel
,
86
(
15
), pp.
2254
–
2261
.
Google Scholar
Crossref
Search ADS
 
15.
Reddy
,
S. R.
,
2007
, “
Evap Canister Purge Prediction for Engine Fuel and Air Control
,”
U.S. Patent No. 7305975 B2
.
16.
Fox
,
R. W.
,
McDonald
,
A. T.
, and
Pritchard
,
P. J.
,
2006
,
Introduction to Fluid Mechanics
, 6th ed.,
Wiley
,
Hoboken, NJ
.
17.
White
,
F. M.
,
2002
,
Fluid Mechanics
, 5th ed.,
McGraw-Hill
,
New York
.
18.
Ogata
,
K.
,
2009
,
Modern Control Engineering
, 5th ed.,
Prentice Hall
,
Upper Saddle River, NJ
.
Copyright © 2016 by ASME
You do not currently have access to this content.