1
Aalto University 2011
Séminaire ASPROMParisNov. 2011
«« GGENERALITIES ONENERALITIES ON
EELECTRIC LECTRIC VVEHICLES (EHICLES (EVEVss) &) &
HHYBRID YBRID EELECTRIC LECTRIC VVEHICLES (EHICLES (HEVHEVss)) »»
based on MEGEVH tutorial at IEEE-VPPC 2009
http://l2ep.univ-lille1.fr/megevh.htm
Prof. A. BOUSCAYROL, Dr. R.TRIGUIL2EP, University Lille1, LTE, IFSTTAR,
MEGEVH network,[email protected]
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- MEGEVH network -
Lille
Paris
Lyon
Toulouse
Valenciennes
Belfort
LaplaceLaplace LTE
LTN
LAMIHLAMIH
Bordeaux
Coordination:Prof.A. Bouscayrol
7 industrial partners10 academic Labs
(Energy management ofHybrid Electric Vehicles)
http://l2ep.univ-lille1.fr/megevh.htm
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HEV 1
MEGEVH-macro
MEGEVH-strategy
MEGEVH-optim
Theoretical level
MEGEVH-storeMEGEVH-FC
Vehicle level
HEV n
Development of methodologies of modelling and
energy management
independently ofthe kinds of vehicles
• co-supersized PhD• collaboration projects
Paper Prize Award of IEEE-VPPC’08
• 7 PhD Defended• 6 PhD in progress• EMR as common tool• generic model of HEV (Prize)
- MEGEVH philosophy -
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-- Experimental platform, and vehicles Experimental platform, and vehicles --
platform « eV »Real-time energy management
LTE
platform « propulsion »platform « storage devices »
LTE
Toyota Prius II DPE 6x6 3008 HY4
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- Outline -
1.1. CCONTEXT OF ONTEXT OF EVsEVs AND AND HEVsHEVs
22. . DDIFFERENT IFFERENT KKINDS OF INDS OF EVsEVs AND AND HEVsHEVs
33. . KKEY EY IISSUES OF SSUES OF EVsEVs AND AND HEVsHEVs
44. . EEXAMPLES OF XAMPLES OF RRESAERCH ESAERCH PPROJECTS ROJECTS
RREFERENCESEFERENCES
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Aalto University 2011
Séminaire ASPROMParisNov. 2011
1. Context of 1. Context of EVsEVs & & HEVsHEVs
• Global warming• Petroleum resources• Thermal Vehicle
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0% 5% 10% 15% 20% 25%
Waste
Energy production
Residential/trade
Agricultural
Industrial Process
Transport
http://www.citepa.org/ http://www.ifen.fr/
Zero Emission Vehicles (ZEV)
for environmental concern
light vehicles 50%
- Source of Green House Gases -
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- Petroleum consumption -
http://www.manicore.com/
ASPO: Association for the Study of Peak OilAIE: International Agency of Energy
consumption
production
2015 2040
Peak Oil
Gb / day
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drivenwheelsclutch and
gearbox
differentialICEngine
Fuel tank
low efficiency
pollution emission
no energy recovery
great autonomy
fast energy charge
Fuel tank environment
ICE gearbox differential wheels chassis
acceleratorsteering wheelMMS description clutch
gear ratio
- Thermal Vehicle -
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Iso specific consumption (g/kWh )
Pmax=60 ch (45 kW) @ 3750 rpm Tmax=119 Nm @ 3400 rpm
( 1700 cm3 )
Speed (rpm)
Torq
ue (
Nm
)
- Gasoline engine -
Efficiency map
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Example of an urban drive cycleICE Power (kW)
t (s)
http://www.inrets.fr/
Pmean= 15 kW
Pmax= 60 kW
oversizing
- Power of a thermal vehicle -
P < 0
Energy loss
Interest of a system which:• delivers peak power at high efficiency• enables energy recovery
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speed (m/s)
78% of pollutant emissions during 14 % of the cycle
Example of a highway drive cycleCO (g/s)
t (s)
- Pollution of a thermal vehicle -
P < 0
Interest of a system which:• enables transients at high efficiency and low emission http://www.inrets.fr/
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Speed (rpm)
Torque (Nm)
- Operation of an ICE -Urban drive cycle / iso-consumption map
http://www.inrets.fr/mean efficiency 12%
(88% of losses!!)
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- Operation of an ICE -Extra-urban drive cycle / iso-consumption map
Speed (rpm)
Torque (Nm)
http://www.inrets.fr/mean efficiency 20%
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- Future Vehicles? -
• Thermal vehicle with bio-fuels(coupling energy & food? water requirement? Etc)
• Electric Vehicles(production of electricity? autonomy reduction? Etc)
• Hybrid Electric vehicles(increase of prize? need of fossil fuel? Etc)
• Fuel Cell Vehicle(increase of prize? hydrogen production? Etc)
• Etc.
but also• A more reasonable mobility!
(reduction of travels? Increase of common transport? Etc.)
No ideal and unique
solution
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Aalto University 2011
Séminaire ASPROMParisNov. 2011
2. Different kinds of 2. Different kinds of EVsEVs & & HEVsHEVs
• Electric Vehicles• Hybrid Electric Vehicles• Fuel Cell Vehicles
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neither clutchno gearbox
electricmachine
powerelectronicsBattery
drive Unit
MMS description
Battery environment
powerelectronics
electricalmachine
differential wheels chassis
acceleratorsteering wheel
high efficiency no local emission energy recovery
low autonomy
long energy charge
- Electric vehicle -
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thermalengine
fuel TM
Thermal Vehicle:- pollution- low efficiency
PE electricmachineBattery
Electric Vehicle:- long charge- low autonomy
- Thermal and Electric Vehicles -
http://www.thinkev.com/
Think city
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- Hybrid Electric Vehicles -
fuelHybrid vehicle:- advantage of each technology- higher cost- complex control
Battery PE
thermalengine
TMelectric
machine
Various configurations:• Different power ratios PICE/PEM• Different component organization
Toyota Prius 3
http://www.toyota.com/
http://www.mpsa.com
Peugeot 3008 HY4
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fuel
Battery
ICE
electricalmachine
EM
PE
- HEVs or EVs? -
http://www.renault.fr
Range extender EV= EV + ICE for
higher mileage range
fuelPlug-in HEV:= HEV + charger
+ plugBattery
ICengine
MTelectricalmachine
http://www.chevrolet.com//PE
Chevrolet Volt
Kangoo electroroad RE
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H2 PEFC electricalmachine
Fuel cell vehicle := EV with battery replaced by
a fuel cell and a H2 tank
- Fuel Cell vehicles? -
FC vehicle with hybrid storage= another kind of RE-EV
electricalmachine
Battery
H2
PE
FC
http://www.honda.com/
Honda Clarity FX
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- HEV classifications -
• Architecture classification (power flow)
- series HEVs (electric power node)
- parallel HEVs (mechanical power node)
- series/parallel HEVs(electric and mechanical power node)
• Power ratio classification (thermal and electric power)
TV EVmicro HEV
mild HEV
full HEV
thermal power
electrical power
fuel
bat.wheels
fuel
bat.wheels
fuel
bat.wheels
[Chan 07] [Emadi 07]
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ICE
EM
BAT
EG
Series Parallel HEV
Fuel
- Architecture bases -
ICE
EM
BAT
Fuel
??
ICE
EM
BAT
Fuel
EG
Series HEV electrical node
ICE
EM
BAT
Fuel
Parallel HEV
mechanical node
power flows
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• Thermal traction
• Internal battery charge (from ICE)
• Stop and Go (electrical starter)
• Regenerative braking
• Boost (electric support)
• Electric traction (Zero Emission)
• External battery charge (Plug-in HEV)
EM
EV
more electricpower
TV
ICE
ICE EM
ICE EM
ICE EM
ICE
EM
- Operation modes -
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City - 25%
Hyb
ridi
zatio
nfu
nctio
ns
Stop & StartRegenerative Braking
Torque AssistanceElectric Drive
FULL HYBRIDand PLUG-INs
MICRO-HYBRID
MICRO - MILD HYBRID
NEDC - 6%
- 12%-15-20%
-20-30%
Stop-Start: basis of hybridization for mass production affordable solutions
MILDHYBRID
source: VALEO (http://www.valeo.com/)
- Consumption reduction -
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Aalto University 2011
Séminaire ASPROMParisNov. 2011
3. Key issues of 3. Key issues of EVsEVs & & HEVsHEVs
• Energy Storage Subsystems• Energy Management• Societal changes
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High efficiencyPower electronics
Battery Ni-MHHigh energy density
Complex control
Permanent MagnetSynchronous Machines
Power split
GeneratorBattery
Motor
Mechanical power path
Electrical power path
Engine
Inverter Boost
Véhicule PRIUS IIhttp://www.toyota.com/
ECU
- Prius, success story -
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- Well to Wheel analysis -
HEV
EV
g CO2 / km
?Coal
Coal
Natural Gas
wood
Nuclear
Wind
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SuperCaps
batteries
petrol+ thermal
engineH2
+Fuel
Cell
fly wheel
Energy density (Wh/kg)~ mileage range
Power density (W/kg)
~ acceleration,charge time
- Energy sources -
[Chan 2008]
?
hybrid storage? no recoveryenergy
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- Energy charge -
New technologies and developments? “Smart” charge?but alsoA new way to manage our energy charge?
• slow charge at home / at work (4-8h?)(plug or induction)
• ultra-fast charge at specific station (1/2h?)
• battery swap station(5-10 min?) http://france.betterplace.com/
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- Impact on the grid -
http://my.epri.com
V2G
G2V
New concepts for grid management?but alsoA new way to manage our energy price?
(Vehicle to Grid)
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- Day trip Analysis -
Mileage range of a classical EV = 100 to 150 km
50%30%20%
Average values ofdaily trips inEurope in 2007
daily trip < 20 km
daily trip > 60 km
20 km < daily trip < 60 km
Possible uses of EVs?butA new way to manage our mobility?
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Aalto University 2011
Séminaire ASPROMParisNov. 2011
4. Examples of research projects4. Examples of research projects
• Energy Storage Subsystems• Energy Management• Societal changes
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DC/DC
LV load
HV Battery
LV Battery
ICE
cl.
Front electric machine
Rear electric machine
energymanagement?
new concept
2
Simulation of various casesand energy management
implementationon prototypes
3 SE
mhach1
MS ar
SM
Fres
vvéh
Env.
kboîte
SM
Frein
Cfrein-ref
pemb
mhach2
MS av
Cmth-ref
SM
M. th
Cmth
SEVbat-BT
mhachDC/DC
MCC
dem
1
2
3
4
5
SE
kdem
kdem
vref
Krep-ar G/D
Krep frein
Krep-av G/D
Krep av/ar
Bloqué
vvéh-ref
Bloqué
Patinage
Ωarbre-ref
Krep-av Mth/mel-av
Vbat-BT-ref
1 EMR andcontrol
[Letrouvé & al. 2011]
- Double parallel HEV -
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Modelling
Simulation
Control
Prototype
Description
Emulation
ALT
DEMMEL
AR
DEMMot
Therm.
C/P
EMB B.V.
Crabot Red.
Véh.
Ibat-
bt
Réseau
et
Stock.
Elec
Ubat
-bt
Imel
Ialtd
em
Ubat
-ht
Cde
mΩem
b
Ωem
b
CcpCalt
demΩaltd
em
Ωem
b
Cmt
h Ωbv
Cem
b
Cbv
Ωrou
e
CredCcra
bot
CmelΩcra
bot
Ωred Ωrou
e
Fr
ef
STRATEGIE
Con
duct
eur
12
34
5
SimVHP
HIL simulation
- Double parallel HEV -
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Bat1
Bat1
Res Res Res
ResResRes
tank ICE
traction current (A)
[Boulon & al. 2010]
uC2
ig2
ig1
uC1
uC1
Tice
Ttot
gen
gen
gen
Tg1Tg1-ref
double generator
ICE
Tg2-ref
Tice-ref Tg2
Bat1Vbat1 iL1
iL1 uh1mh1
ih1
itot1
uC1
uC1
uC2
Bat2Vbat2 iL2
iL2 uh2mh2
ih2uC2
uC2
iMT1
iMT2
battery sets
DC buses
connections
itot3
6
6
Ttot
gear
Tm1
mvsi1
Tm2
itot1
uC1
em1im1
uvsi1 im1
em2im2
uvsi2 im2
mvsi2
gear
gearitot2
uC2
vhev
Environ.Fres
6vhev
Brake
vhevFbk
Fbk-ref
vhev
FtractFtotTgear Fwh
wh vhev
double-machine drive wheel and brake chassis
- High-redundancy HEV -
37
EVs &HEVs
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uC2
ig2
ig1
uC1
uC1
Tice
Ttot
gen
gen
gen
Tg1Tg1-ref
double generator
ICE
Tg2-ref
Tice-ref Tg2
Bat1Vbat1 iL1
iL1 uh1mh1
ih1
itot1
uC1
uC1
uC2
Bat2Vbat2 iL2
iL2 uh2mh2
ih2uC2
uC2
iMT1
iMT2
battery sets
DC buses
connections
itot3
6
6
uC2-refitot3-refig2-meas
uh2-ref
iL2-ref ih2-ref
gen-ref Ttot-ref kD
Tg1-ref
Tg2-ref
Ttot
gear
Tm1
mvsi1
Tm2
itot1
uC1
em1im1
uvsi1 im1
em2im2
uvsi2 im2
mvsi2
gear
gearitot2
uC2
vhev
Environ.Fres
6vhev
Brake
vhevFbk
Fbk-ref
vhev
FtractFtotTgear Fwh
wh vhev
vhev-refFtot-ref
kD2
Twh1-ref
Tm2-ref
Ftract-refTm1-ref
kD4
Twh1-ref Fwh-ref
kD3im1-refuvsi1-ref
m1-ref
m2-ref
uC2-refitot3-refig2-meas
uh2-ref
iL2-ref ih2-ref
double-machine drive wheel and brake chassis
strategy
Strategy = coordination of subsystems
- High-redundancy HEV -
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- Electric Variable Transmission -
+ _
EM1 EM2
Enable a continuous variation of rotation speeds and torques
Optimization of ICEspeed and torque
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- HEVs using EVT -
is1_dq _ref
vdc
ΩEM2
TEM1
TEM1 ΩEM2
Ttot
ΩEM1
iinv
vdc
us2
iinv2 ms2_ref
ms1_ref
us1iinv1
es2_dqis2_dq
vs2_dq is2_dq Tem2
es1_dqis1_dq
vs1_dq is1_dq TEM1
is2
is1
θd/s1
Shaft of ICE
ΩICE
ΩICETICE
TICE_ref
Ftot
ΩEM2
Ttot_ref
Tem1_ref
Tem1_ref
Tem2_ref
vs1_dq _refus1_ref
FOCPWM
us2_ref vs2_dq _ref is2_dq _ref
PWM
ms2_ref
FOC
ΩICE_ref
Tem1_refTICE_ref
Fresvhev
vhev
vhev_refFtot_ref
vhev_mea
Mechanicalcoupling
DC bus ParallelConnection
Inverters
θd/s2
Induction machines Trans.Wheels
Environ. Chassis
vdc
LTE
• Design of an PM-SM EVT for Toyota Prius II• Control of the EVT-HEV• Comparison with Toyota Prius II
Energetic Macroscopic Representationand control of the EVT-HEV
ICEW
WPM+PM
Veh.
0 200 400 600 800 10000
50
100
150 Vehicle speed (km/h)
t(s)
0 200 400 600 800 1000
-500
0
500 Machines Speed - EM2 (rad/s)
t(s)
0 200 400 600 800 100040
50
60
70SOC(%)
t(s)
PM-SM EVT
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EV suingEV suingbatteriesbatteries
EV usingEV usingScapsScaps..
EV usingEV usingbatteries and batteries and ScapsScaps..
P massiq.
Coût
Recyclab.
Sécu.
Duréede vie
E massiq.
P massiq.
Coût
Recyclab.
Sécu.
Duréede vie
E massiq.
P massiq.
Coût
Recyclab.
Sécu.
Duréede vie
E massiq.
LTE
- EVs using hybrid ESS -
[Allègre 2010]
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0 50 100 150 200 250 300 3500
5
10
0 100 200 300-200
0
200
100
200
Velocity (m/s)
Curents (A)
Voltage (V)
vmes
iscp
ibatt
ubattuscp
t(s)
The simplest strategyThe simplest strategy
Start Arrival
LTE
=
=L1
Scps
BattNi-CD
~
=ME
Scap charginAt standstill
Softcommutation
Test only for ZEV mode
- EVs using hybrid ESS -
42
Aalto University 2011
Séminaire ASPROMParisNov. 2011
HEVs and EVs could be valuable complementary vehicles
a limited mileage range could be…a chance…
… forward a more reasonable use of our mobility!
ConclusionConclusion
Technology will not save Automotive industry!The mobility concepts have to be changed!
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- References (1) -[Allègre 09] A. L. Allègre, A. Bouscayrol, R. Trigui, “Influence of control strategies on
battery/supercapacitor Hybrid Energy Storage Systems for traction applications", IEEE-VPPC’09, Dearborn (USA), September 2009,(common paper L2EP Lille and LTE-INRETS in the framework of MEGEVH network)
[Boulon 09] L. Boulon, D. Hissel, M. C. Pera, A. Bouscayrol, O. Pape, “Energy based modeling of a 6 wheel drive hybrid heavy truck", IEEE-VPPC’09, Dearborn (USA), September 2009 (common paper FEMTO-ST, L2EP Lille and Nexter Systems in the framework of MEGEVH network)
[Bouscayrol 03] A. Bouscayrol, "Formalismes de représentation et de commande des systèmes électromécaniques multimachines multiconvertisseurs", HDR de l'Université de Lille 1, décembre 2003.
[Chan 07] C.C. Chan: "The state of the art of electric, hybrid, and fuel cell vehicles“, Proc. of the IEEE, April 2007, Vol. 95, No.4, pp. 704 - 718.
[Chan 09] C.C. Chan, Y. S. Wong, A. Bouscayrol, K. Chen, "Powering Sustainable Mobility: Roadmaps of Electric, Hybrid and Fuel Cell Vehicles", Proceedings of the IEEE, to be published in vol. 97, no. 4, April 2009, (common paper University of Hong-Kong and L2EP Lille).
[Chan 10] C. C. Chan, A. Bouscayrol, K. Chen, “Electric, Hybrid and Fuel Cell Vehicles: Architectures and Modeling", IEEE transactions on Vehicular Technology, vol. 59, no. 2, February 2010, pp. 589-598 (common paper of L2EP Lille and Honk-Kong University).
[Chen 08] K. Chen, A. Bouscayrol, A. Berthon, P. Delarue, D. Hissel, R. Trigui, “Global modeling of different vehicles, using Energetic Macroscopic Representation to focus on system functions and system energy properties”, IEEE Vehicular Technology Magazine, vol. 4, no. 2, June 2009,pp. 80-89 (common paper L2EP Lille, FEMTO-ST and LTE-INRETS according to MEGEVH project)
[Cheng 09] Y. Cheng, K. Chen, C.C. Chan, A. Bouscayrol, S. Cui, “Global modelling and control strategy simulation for a Hybrid Electric Vehicle using Electrical Variable Transmission”, IEEE Vehicular Technology Magazine, vol. 4, no. 2, June 2009, pp. 73-79 (common paper Harbin Institute of technology and L2EP Lille)
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- References (2) -
[Emadi 05] A. Emadi, K. Rajashekara, S. S. Willaimson, S.M. Lukic, “Topological overview of Hybrid Electric and Fuel Cell vehicula power systems architectures and configurations”, IEEE Trans. on Vehicular Technology, May 2005, Vol. 54, No. 3, pp. 763-770.
[Eshani 05] M. Eshani, Y. Gao, S. E. Gay, A. Emadi, "Modern electric, hybrid electric and fuel cell vehicles", CRC Press, New York, 2005.
[Lhomme 08] W. Lhomme, R. Trigui, P. Delarue, B. Jeanneret, A. Bouscayrol, F. Badin, "Switched causal modeling of transmission with clutch in hybrid electric vehicles”, IEEE Transaction on Vehicular Technology, Vol. 57, no. 4, July 2008, pp. 2081-2088, (common paper L2EP, LTE-INRETS in the framework of MEGEVH network)
[Mi 09] C. Mi, “Plug-in hybrid electric vehicles - Power electronics, battery management, control, optimization, and V2G”, IEEE-ISIE’09, Seoul, July 2009.
[Salmasi 07] F. R. Salmasi, "Control strategies for Hybrid Electric Vehicles: evolution, classification, comparison and future trends", IEEE Trans. on Vehicular Technology, September 2007, Vol. 56, No. 3, pp. 2393-2404..
[Scordia 2009] J. Scordia, R. Trigui, M. Desbois-Renaudin, B. Jeanneret, F. Badin, “Global Approach for Hybrid Vehicle Optimal Control”, Journal of Asian Electric Vehicles. Volume 7, Number 1, June 2009.
[Vinot 08] E. Vinot, J. Scordia, R. Trigui, B. Jeanneret, F. Badin, “Model simulation, validation and case study of the 2004 THS of Toyota Prius”, International Journal of Vehicle System Modelling and testing, Vol. 3, No 3, pp. 139-167, 2008.