In the last century road transport has completely changed our life, nowadays mobility is a social need. Thanks to the recent revolution of science and technology, road vehicles have more automated features or systems. Initially the main motivation was to make driving easier or more comfortable, but world megatrends have oriented the development towards to lower fuel consumption, higher traffic safety and reduced environmental impact. To reach these future objectives it is necessary to increase the level of automation of road vehicles. Automated vehicles will overcome today’s cars in safety, efficiency, comfort, velocity and traffic density.

    Driving a road vehicle is a very complex controlling task, substituting the human driver with a computer is a real challenge also from the technical side. In connected and automated vehicles the control algorithm has several steps. An important step is, when the vehicle plans its own trajectory. The inputs of the trajectory planning are the purpose of the passengers and the environment of the vehicle (through the environmental perception system of the vehicle). The trajectory planning process has several parts for instance the geometry of the path-curve or the speed during the way. Furthermore the traffic situation also can determine many other parameters in the planning process.

    This paper presents a basic approach for trajectory design. The inputs will be target points on a 2D field which represents a smaller flat area with various roads. The 2D field are going to be a binary matrix, where the roads will be defined by ones, the obstacles will be defined by zeros. The aim is to make an algorithm which can find the shortest and a suitable way for vehicles between the start and the target point. The vehicle speed will be assumed slow enough to ignore the dynamical properties of the vehicle. The research is the first step to realise automated parking features in a self-drive car.


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    Title :

    Trajectory Planning for Automated Vehicles – A Basic Approach


    Additional title:

    Lect.Notes Mechanical Engineering


    Contributors:

    Conference:

    Vehicle and Automotive Engineering ; 2018 ; Miskolc, Hungary May 23, 2018 - May 25, 2018



    Publication date :

    2018-05-10


    Size :

    10 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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