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MODELICA vehicle dynamics library: Implementation of driving maneuvers and a controller for active car steering

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  • Institut Für Robotik Und Mechatronik

Abstract

This paper deals with the assessment and exploitation of the recently released MODELICA-based vehicle dynamics library. A setup of various driving maneuvers is accomplished. These maneuvers will be conducted by providing steering angle and gas/brake position to the car model of the library. The common linearized single track model is derived as an approximative model for the fully detailed vehicle dynamics model. This model is used for synthesis of feedforward control and later also as a nominal model for active car steering control aiming at vehicle dynamics stability improvement. The applied robust steering controller structure is known as the disturbance observer. Simulations are used to demonstrate the effectiveness of the vehicle dynamics enhancement in comparison to the uncontrolled vehicle. Also some experiences with the vehicle dynamics library are pointed out.

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