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A Comparison Study between PC-Crash Simulation and Instrumented Handling Maneuvers
Technical Paper
2011-01-1121
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This research compares vehicle dynamic simulations in PC-Crash 8.2 to data recorded during instrumented handling tests conducted by Mechanical Systems Analysis Incorporated (MSAI). The handling tests, which were used to examine rollover stability in a 1998 and a 1999 Ford Explorer, involve rapid steering inputs at speeds between 30 mph [48.3 kph] and 60 mph 96.6 [kph]. Vehicle weight, center of gravity (c.g) position, suspension stiffness parameters, tire parameters, steering angle, and vehicle speed data provided by MSAI were used as input for the PC-Crash model. Lateral acceleration, roll angle, roll rate, and yaw rate vehicle response from PC-Crash were compared to the MSAI sensor data. The authors modeled 26 handling tests. PC-Crash appeared to be a reasonable tool for modeling gross vehicle response. In addition, PC-Crash correctly predicted whether or not the test vehicle would experience rollover instability in a majority of the cases. This report describes the results of a comparison study between the trajectory model of PC-Crash 8.2 and at-limit handling testing conducted by MSAI. This research also identifies limitations of the current simulation model and discusses possibilities for future improvements to the model.
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Kiefer, A., Bilek, D., Moser, A., and Webb, A., "A Comparison Study between PC-Crash Simulation and Instrumented Handling Maneuvers," SAE Technical Paper 2011-01-1121, 2011, https://doi.org/10.4271/2011-01-1121.Also In
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