national automotive c enter committed to excellence current trends in vehicle driveline modeling and...
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![Page 1: National Automotive C enter Committed to Excellence Current Trends in Vehicle Driveline Modeling and Simulation Richard Jacobson Dan Kedziorek](https://reader030.vdocument.in/reader030/viewer/2022032803/56649e315503460f94b222d5/html5/thumbnails/1.jpg)
National Automotive Center
Committed to Excellence
Current Trends in Vehicle Driveline Modeling and Simulation
Richard Jacobson
Dan Kedziorek
![Page 2: National Automotive C enter Committed to Excellence Current Trends in Vehicle Driveline Modeling and Simulation Richard Jacobson Dan Kedziorek](https://reader030.vdocument.in/reader030/viewer/2022032803/56649e315503460f94b222d5/html5/thumbnails/2.jpg)
National Automotive Center
Committed to Excellence
Introduction
• Driveline analysis is an important part of the vehicle design process
• The tool for driveline analysis depends on the application
• Several driveline analysis programs will be discussed with various levels of compelxity
• Make comparisons and help select the right tool
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National Automotive Center
Committed to Excellence
Topics
• Description of a Vehicle Driveline
• Reasons for Driveline Simulation
• Descriptions of Selected Simulations
• Conclusions
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National Automotive Center
Committed to Excellence
Description of a Vehicle DrivelineADVISOR2002 Driveline Diagram
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National Automotive Center
Committed to Excellence
Reasons for Driveline Simulation
• Evaluate Vehicle Performance– Top Speed, Acceleration, Fuel consumption,
Cross-Country Speed (truck/SUV), Shifting, Emissions, Handling, Vibration
• Evaluate Vehicle Mobility– Top Speed, Acceleration, Fuel consumption,
Cross-Country Speed, Shifting, Emissions, Speed on Slopes, Obstacle Crossing
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National Automotive Center
Committed to Excellence
Several simulations
• Propulsion System Performance Simulation (TARDEC in-house program)
• System for Computer Aided ANalysis (SCAAN) from Allison Transmission
• ADVISOR2002 National Renewable Energy Lab (NREL)• Ricardo Libraries for MSC Easy5 from RICARDO• GT-SUITE from Gamma Technologies• Powertrain Control Research Laboratory (PRCL)
University of Wisconsin-Madison
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National Automotive Center
Committed to Excellence
Propulsion System Performance Simulation
• Developed at TARDEC
• Low Resolution
• Limited performance analysis– Acceleration– slope performance– fuel consumption
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National Automotive Center
Committed to Excellence
ADVISOR2002
• High resolution
• Extensive input and output
• Graphical User Interface
• Customizable (built on MatLab)
• Detailed output
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National Automotive Center
Committed to Excellence
ADVISOR2002 Example
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National Automotive Center
Committed to Excellence
Easy5 Ricardo Libraries
• Many pre-built components
• Graphical User Interface
• Takes some work to learn
• Customizable (can link to MatLab)
• Extensive outputs
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National Automotive Center
Committed to Excellence
RICARDO Libraries for Easy5 Example
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National Automotive Center
Committed to Excellence
System for Computer Aided ANalysis SCAAN
• A service provided by Allison Transmission
• Low resolution
• Limited Performance Analysis– Acceleration– Slope performance
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National Automotive Center
Committed to Excellence
Powertrain Control Research Laboratory
• Custom build simulations
• Has provided driveline simulations to the Army for the following:– HMMWV– M916/M870 – M1A1– M2A2
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National Automotive Center
Committed to Excellence
Gamma Technologies GT-SUITE
• High resolution
• Highly detailed engine characteristics
• Graphical User Interface
• Can be coupled with CFD code and SIMULINK
• User code can be incorporated
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National Automotive Center
Committed to Excellence
Conclusions
• Different levels of fidelity• Different things simulated• What does it all mean
– There are many different tools– Can help speed development of advanced drivelines
• Future Work – Increase use of Easy5 Ricardo Libraries– Advance the state of driveline simulation at TARDEC