FALL/WINTER 2005-06 — Vehicle Systems
Using PSAT for Data QA and Validation of the Toyota Prius
The importance of component models and the complexity involved in setting up optimized control laws require validation of the models and control strategies. By using Argonne's Advanced Powertrain Research Facility (APRF), CTR researchers thoroughly tested the model year 2005 Toyota Prius to validate the Powertrain System Analysis Toolkit (PSAT) drivetrain. They developed a generic methodology to quality check test data and validate the vehicle-level control model in PSAT.
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Generic Data Quality Analysis Process |
The process enables researchers to quickly validate the sensor accuracy by automatically comparing one sensor to another. The following example illustrates how the wheel torque sensor was validated by using calculations based on other sensors.
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Validation of Wheel Torque Using Measured and Calculated Values |
By using PSAT, any test data from the APRF can be quickly analyzed. Reports are automatically generated in HTML format.
The study details and results will be presented at the Society of Automotive Engineers (SAE) World Congress 2006.
Sponsor
U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, FreedomCAR and Vehicle Technologies Program
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