Drive your simulations towards zero-emissions: Hybrid and Electric Vehicles with LMS Amesim

Drive your simulations
towards zero-emissions
Hybrid and electric vehicles with LMS
Imagine.Lab Amesim
LMS Imagine.Lab Amesim™
A world leading platform for physical
simulation of mechatronic systems
Realize innovation.Unrestricted © Siemens AG 2017

Unrestricted © Siemens AG 2017
Page 2 Siemens PLM Software
Agenda
• Why LMS Amesim for hybrid and
electric vehicles?
• Modeling workflow for any type of
hybrid and electric vehicle
• 15 years of experience and
proven results
• Customer references
• Going further

Agenda
electric vehicles?
proven results
• Going further

Today’s industry challenges for drivetrain electrification
Until 2025, almost 60% of new cars
in Europe and NAFTA will use an
electrified powertrain (*)
(*) Source: ATKearney, Mega trends in the automotive industry and its consequences for global players
Emissions
Safety, reliability
Noise and vibrations
Thermal comfort
Performance
Drivability
Fuel efficiency
Development of new technologies
for electric components and their
integration in the vehicle are key
challenges for OEM and suppliers

Simcenter™ Portfolio for Predictive Engineering Analytics
LMS Imagine.Lab
LMS Imagine.Lab Amesim
Collaboration &
workflow

LMS Amesim supports the modeling of any type of HEV or EV
Power split hybrid
Electric powertrain
Power electronics
Series hybrid
Electric storage and
battery
Parallel hybrid

Engineering challenges tackled with LMS Imagine.Lab Amesim
Authoring
behavioral models
Selecting the right
architectures in early stage
Electric machine pre sizing
Model reduction for real-
time simulation
Cooling system design for
electric devices
Replacing physical tests
with virtual evaluation
Optimizing all plant
subsystems and controls

Agenda
electric vehicles?
proven results
• Going further

Pre-sizing Sizing validation Cooling e-powertrain Control validation Vibration
Application #1: electric powertrain predesign
Define a vehicle requirement or evaluate an
architecture concept
Undersized powertrain Presizing motor tool Resized powertrain

Application #2: permanent magnet synchronous machine (PMSM)
Validate a PMSM design early using
performance and consumption criteria
Get flux linkage
and iron losses
3D FEM
Finite Elements Detailed losses for 1D Predictive performance

Application #3: electric vehicle converter switches
Detailed analysis of inverter
thermal behavior
Detailed inverter including conduction
and switching losses
Diode and transistor
heat flow rate

Application #4: detailed electric vehicle cooling system
Liquid cooled converter and electric machine
Power flowchart
Optimize the electric drivetrain
thermal management
Inverter and machine temperatures

Application #5: electric vehicle powertrain detail
Brake strategy Field oriented vector controlEnergy losses on NEDC
Early validation of electric machine control
strategies and impact on powertrain efficiency Permanent magnet
synchronous machine
(PMSM)

Application #6: validate electric drive control with MIL/SIL
Validate a PMSM drive control with MIL
or a vehicle supervisor with HIL Permanent magnet
synchronous machine
(PMSM)
Controller functional
test with MIL
Controller real-time
validation with HIL
Real-time compatibilities

Application #7: electric vehicle driving dynamics
Estimate the impact of machine
control on chassis and subsystems
(power steering, braking)
Chassis and subsystemsRoad profile 3D scene visualization

Application #8: evaluate torque ripple for vibration analysis
Include slot effects and PWM disturbances on the
torque ripple evaluation for vibration analysis
FFT post-processingMachine with spatial dependency Inverter SVPWM strategies

Agenda
electric vehicles?
proven results
• Going further

J. K. Park – Cranfield University – UK – [ thesis ]
Modeling and control of a light-duty hybrid electric truck

Application: 14V board network – RENAULT – 2010

Application: battery heating approaches – Continental – 2013

IMPROVE – FP7 European research program
Optimal thermal management support (Model Predictive Control)
Model reduction (RSM networks) for thermal management controller including
complex heath pump for powertrain and cabin (low end ECU target) (*)
(*) IMPROVE FP7 research project 2013-2017: Research for EV higher vehicle energy efficiency and range, up to full scale demonstration (rolling EV Fiat DOBLO EV)

S. K. Arshad-Ali – McMaster University – UK – [ master thesis ]
Hybrid electric powertrains with electric turbocharger

Agenda
electric vehicles?
proven results
• Going further

Operating complex multi-domain analyses
Renault
Reaching high energy savings in hybrid vehicles using LMS Amesim
“LMS Imagine.Lab Amesim enables us to get a deep insight on energy
performance of hybrid architectures and helps us select optimal architectures that
fit our requirements early in the design process.”
Eric Chauvelier, Method and Simulation Manager
• Facilitate communication and decision-making thanks to a common platform
• Implement co-simulations to assess the energy synthesis of any hybrid configuration
Internal combustion engine analysisBattery behavior simulation
• Delivered high-quality product on-
time and with reasonable costs
• Created flexible development
platform to support future projects
• Shortened time-to-market

Forward through model-based systems engineering
Siemens eCar Powertrain Systems
Designing advanced components for e-mobility with LMS Imagine.Lab
• Streamlined design and
customization process for all e-
mobility devices
• Fulfilled market demands based on
standardization and scalability
• Shorter development cycles and
lower costs
“The implementation of model-based systems engineering is driving our
innovation platform, and enables us to combine architecture definition with
simulation capabilities to validate technical choices early in the design cycle”
Wolfgang Nebe, Director System Technology, eCar Powertrain Systems business unit
• Predict the efficiency of required powertrain electric components
• Re-use knowledge capitalized from past work and experience
Full vehicle assessment for
performance and efficiency optimization
Component behavior analysis
for pre-sizing

Forward through model-based systems engineering
Magna Steyr Engineering
Accelerating hybrid vehicle development thanks to LMS Amesim
• Reduced simulation interpretation
effort
• Boosted components sizing
• Maximized design efficiency with
minimum development cost
“Enabling seamless cost reduction and time savings, LMS Amesim is now being
used to address more projects.”
Michael Martin,
System Simulation Manager for Driving Performance and Fuel Efficiency
• Analyze different hybrid vehicle architectures and operating strategies
• Improve validation accuracy of simulation models
Comparison of battery charge reactionsCustomizable hybrid system modeling

Simulation foundation layout towards innovative engines
IFP Energies nouvelles
Developing cutting-edge design with LMS Imagine.Lab Amesim
• Produced 100 percent model-based
engine management system
development
• Used an actual engine for final
validation of a physical prototype
• Reduced the costs and timeframe of
the design
“By using a very effective system simulation platform like LMS Imagine.Lab
Amesim software from Siemens PLM Software, you can drastically reduce costs
and the timeframe of the design.”
Philippe Pinchon, Director of Powertrain Engineering Technology Business Unit
• Partnered with Siemens PLM Software to develop tools for powertrain simulation
• Optimized energy management and increase internal combustion engine efficiency
Architecture design of hybrid vehiclesEngine control modeling

Agenda
electric vehicles?
proven results
• Going further

LMS Amesim story
30-year experience in mechatronic system simulation
1996
Numerics
Core &
Modeling
Methods
2004
System
Simulation
1998
Fluid Specialist
Fluid
Simulation
2000
Component
Simulation
2006 2010
Collaborative
System
Simulation
PIDO, CAD, CFD &
CAE interfaces
2016
Model Based
Systems
Engineering
Plant model, Control,
XiL-Real-time
Multi-Physics
Application
oriented
“Electrical Basics”, “Electro-Mechanical” and
“Electric Motors and Drives” libraries

HEVs and EVs templates in the LMS Amesim online
documentation
LMS Amesim 15 online documentation comes with
ready-to-use templates & dedicated user guides to start with:
• Parallel hybrid vehicles, series hybrid vehicles,
• Electric vehicles,  Battery cooling…
100+ templates
available for HEVs and EVs

Electric machine initial design (SPEED)
• Detailed analytical analysis with finite-element links
Electric machine detailed design from SPEED
linking to Star-CCM+ and Simcenter 3D
• Electromagnetic 2D and 3D analysis
• Thermal 3D analysis
• Mechanical simple 2D stress analysis
• Vibro-acoustic
Check integration in vehicle model
• Simulate the electric machine inside a full system
including:
• Battery
• Vehicle dynamics
• Air conditioning and cabin
• LMS Amesim helps evaluate different cooling
configurations and various thermal management
strategies
Simcenter™ portfolio for electric machine design:
A true multi-physics problem
AC system
Battery Cooling
system
Vehicle
Electric
Powertrain
Cabin
Control
Electromagnetic
Analytical analysis
Thermal/CFD
System simulation

LMS Engineering services experience in HEVs and EVs modeling
HEVs/EVs type Customer
HEVs OEM – hybrid driveline
HEVs OEM – MIL / stop-start vibrations
HEVs OEM – drivability
HEVs OEM – drivability
HEVs OEM – vehicle energy management
EVs Supplier – electric network
EVs Supplier – electric motor, cooling
EVs Supplier – CVT
EVs OEM – HIL and real-time
EVs OEM – battery aging
Benefit of LMS Engineering experience
in reverse engineering, testing and modeling of HEVs and EVs
Strategy analysis for electrification
Machine control validation

• Brand new climatic test cell
• Innovative wheel hub regulated drive, tire uncertainty avoided
• A driving robot handles car driving operations
• All together supporting testing combined simulation projects
Siemens VEM test center
Our testing capabilities to support simulation

Franck Sellier
LMS Amesim Electric Systems
Stéphane Neyrat
LMS Amesim Platform
Siemens PLM Software
Simulation & Test Solutions

Drive your simulations towards zero-emissions: Hybrid and Electric Vehicles with LMS Amesim

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Drive your simulations towards zero-emissions: Hybrid and Electric Vehicles with LMS Amesim