VEHICLE CHASSIS AND POWERTRAIN SET UP TOOL FOR TRACK TRAJECTORY AND SPEED OPTIMIZATION

摘要

A tool that obtains a performance goal based on actual calculated performance of the vehicle, thereby eliminating a driver model. The tool includes an optimizer to 5 determine path target points to be sent to controls, such as a steering controller, to obtain a performance goal - such as minimum transit time for a road segment. The design parameters and target lateral coordinates are input to a closed loop steering controller in a generic vehicle dynamic code. The invention uses discrete points to describe targets for path and speed making the use of optimization tools effective. The optimization is 0 based on the actual calculated performance of the vehicle; therefore the path followed by the vehicle may be different from that described by the target(s). The target path is simply modified to obtain the best performance.