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Advancement and Validation of a Plug-In Hybrid Electric Vehicle Plant Model
Technical Paper
2016-01-1247
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The objective of the research into modeling and simulation was to provide an improvement to the Wayne State EcoCAR 2 team’s math-based modeling and simulation tools for hybrid electric vehicle powertrain analysis, with a goal of improving the simulation results to be less than 10% error to experimental data.
The team used the modeling and simulation tools for evaluating different outcomes based on hybrid powertrain architecture changes (hardware), and controls code development and testing (software). The first step was model validation to experimental data, as the plant models had not yet been validated.
This paper includes the results of the team’s work in the U.S. Department of Energy’s EcoCAR 2 Advanced vehicle Technical Competition for university student teams to create and test a plug-in hybrid electric vehicle for reducing petroleum oil consumption, pollutant emissions, and Green House Gas (GHG) emissions.
Plant model validations and advancements brought the vehicle plant model directionally closer to the actual vehicle’s experimental data and achieved error reduction in 10 of 11 metrics detailed in the research. Experimental data was used from 5 sources to validate and advance the vehicle plant model:
- 1Component Test Benches
- 2HIL Test Bench
- 3Component Dynamometer (Dyno)
- 4Vehicle Chassis Dyno
- 5Vehicle “On Road”
The advancement of the electric motor powertrain and the vehicle chassis portions of the vehicle plant model brought 4 of the 11 metrics to under 5% error:
- 2 of 3 Dynamic Performance metrics
- 2 of 8 Emissions & Energy Consumption metrics
The 6 of the 7 remaining metrics (ones still over 10% error) did have their error reduced by an average of 45%.
Thorough validation and advancement of the internal combustion engine powertrain fell outside of the research scope, so only some validation and advancement was performed. Not adding a torque converter to the plant model was a main item for future work.
The vehicle plant model now provides higher confidence and higher accuracy (in most of the cases) for the simulation results, making the vehicle plant model significantly more useful for evaluating fuel economy, dynamic performance, and emissions improvement results when testing the team’s controls code changes for optimization.
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Citation
Snyder, K. and Ku, J., "Advancement and Validation of a Plug-In Hybrid Electric Vehicle Plant Model," SAE Technical Paper 2016-01-1247, 2016, https://doi.org/10.4271/2016-01-1247.Also In
References
- Snyder, K., “Advancement and Validation of a Plug-In Hybrid Electric Vehicle Model Utilizing Experimental Data from Vehicle Testing,” M.S. thesis, Electric-drive Vehicle Engineering Department, Wayne State University, Detroit, Michigan, 2015.
- Argonne National Laboratories, “EcoCAR 2 Non-Year-Specific-Rules,” Rev. N., 2014.
- MATLAB, Simulink, and StateFlow are software tools from The MathWorks, Inc., mathworks.com
- A&D Technology, “WSU Traction Motor Test Stand," 2012.
- Rinehart Motion Systems, “RMS PM100 Software User Manual,” rev. 2.7, rinehartmotion.com/support.html, 2013.
- Rinehart Motion Systems, “Setting up the PM Controller to run with Remy Motors,” rev. 1.4, 2013.
- Ehsani, M, Gao, Y., and Emadi, A., “Modern Electric, Hybrid Electric, and Fuel Cell Vehicles - Fundamentals, Theory, and Design,” second edition, CRC Press, Boca Raton, FL, United States, pp. 19-65, 2010.
- Larminie, J. and Lowry, J., “Electric Vehicle Technology Explained,” John Wiley & Sons Ltd., West Sussex, England, pp. 184-189, 2003.
- Husain, I., “Electric and Hybrid Vehicles - Design Fundamentals,” second edition, CRC Press, Boca Raton, FL, United States, pp. 29-44, p. 422, 2011.
- Mason, S., The Effects of Rotational Inertia on Automotive Acceleration, stephenmason.com/cars/rotationalinertia.html, accessed 2014.
- Hyde, A., Midlam-Mohler, S., and Rizzoni, G., "Development of a Dynamic Driveline Model for a Parallel-Series PHEV," SAE Int. J. Alt. Power. 3(2):244-256, 2014, doi:10.4271/2014-01-1920.
- A123 Systems, "Battery Sub-System Design Specification Interface Control Document," 2011.
- Autonomie is a powertrain and vehicle modeling and simulation tool for improving fuel economy, www.autonomie.net, “Help Part 10 - Main Plant Models Description,” Argonne National Laboratory, U.S. Department of Energy, 2009.
- Guzzella, L. and Sciarretta, A., “Vehicle Propulsion Systems - Introduction to Modeling and Optimization,” second edition, Springer, Berlin, Germany, pp. 13-24, p. 51, 2007.
- Alley, R., Nelson, D., White, E., and Manning, P., "VTool: A Method for Predicting and Understanding the Energy Flow and Losses in Advanced Vehicle Powertrains," SAE Technical Paper 2013-01-0543, 2013, doi:10.4271/2013-01-0543.
- Waldner, J., “Development of a 2-Mode AWD E-REV Powertrain and Real-Time Optimization-Based Control System,” M.S. thesis, University of Victoria, Victoria, British Columbia, Canada, 2009.
- WSU Hybrid Warriors, “Year 1 Design Progress Report 1 for EcoCAR 2,” rev. C, 2011.
- U.S. Environmental Protection Agency, " Where the Energy Goes: Gasoline Vehicles," www.fueleconomy.gov/feg/atv.shtml, accessed March 2015.
- U.S. Environmental Protection Agency, " Where the Energy Goes: Hybrids," www.fueleconomy.gov/feg/atv-hev.shtml, accessed March 2015.
- SAE International Surface Vehicle Recommended Practice, “Recommended Practice for Measuring the Exhaust Emissions and Fuel Economy of Hybrid-Electric Vehicles, Including Plug-in Hybrid Vehicles," SAE Standard J1711, Rev. Jun. 2010.
- GM Powertrain, “2012 Product Guide,” 2012 - 2015 model years available as of March 2015 from www.gmpowertrain.com/VehicleEngines/Introduction.aspx.
- GM Powertrain, “2013 Product Guide,” 2012 - 2015 model years available as of March 2015 from www.gmpowertrain.com/VehicleEngines/Introduction.aspx.
- GM differential ratios, www.Buick.com, accessed 2013.