Hirsch, Karina; Brandt, Thorsten:

An elastic beam approach to predictive vehicle motion planning

In: PAMM, Jg. 7 (2008) ; Nr. 1, S. 25-26
Zeitschriftenaufsatz / Fach: Maschinenbau
Abstract:
Vehicle guidance systems are among the latest automotive developments. Examples are Adaptive Cruise Control (ACC), lane departure warning and active lane keeping. However, the rapid development of environmental sensor systems such as radar, lidar and video technologies in combination with data fusion of the single sensor signals enables further applications as for example lane changing assistance, collision avoidance or even autonomous driving. For all of these functions, trajectories have to be planned and, depending on the application, to be communicated to the driver. Recently, methods originally developed in robotics as for example so-called elastic bands are adapted for road vehicle applications. Here an virtual elastic beam is proposed to guide the vehicle. The beam is deflected by virtual potential fields generated by obstacles in the traffic space. In doing so, the elastic beam avoids obstacles and provides collision-free trajectories, while its bending stiffness counteracts the curvature of the trajectory. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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