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Technical Paper

An Integrated Chassis Design Procedure Using the PIDO Technology

2008-04-14
2008-01-0884
The study presented in this paper proposes an integrated and automated chassis design process, in which the associated design and analysis, including kinematic design and controller calibration, are sequentially performed through three steps. The first step is an automated kinematic design process that optimizes the hardpoints' coordinates and bush properties. First, ADAMS/Car is employed to evaluate the K&C characteristics by varying arrangements of the hardpoints and bush properties. In addition, a bush stiffness curve is approximated and represented by four parameters, allowing a designer to incorporate the curve as the design variables in the optimization process. Second, an optimization process is employed to automate the calibration of the UCC system modeled by Simulink, which is essential in improving the vehicle's dynamic behavior.
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