| Abstract | The article introduces a simulation tool developed by the National Tsing Hua University in Taiwan for general purpose. It describes the modeling of the powertrain system of a manual transmission vehicle and control action simulation under road-driving conditions. A personal computer based automotive dynamic performance simulation package is thus developed. This package is capable of simulating the longitudinal vehicle dynamics, powertrain dynamics, engine dynamics, and the driver behavior. The major purpose is to predict the road vehicle performance only with limited data available during design stage. Fuzzy theory is applied to model an experienced driver behavior. Examples of dynamic road-driving conditions, such as taking off from stand-still to top speed and driving pattern maneuvers in the urban area and on the highway, are simulated to demonstrate the versatility of the simulator. Preliminary experiments on both the real road and on a chassis dynamometer are carried out to verify the overall performance of the simulation results. The article concludes that they are in good agreement on both trend and accuracy. |
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