Vehicle steering control can provide assistance to drivers for lane keeping, automated trajectory following, or more extreme evasive manoeuvres. An active torque control steering system is designed using Linear Quadratic Regulator (LQR), and its performance was evaluated using the commercial software CARSIM. The system is developed to maintain a desired trajectory for the vehicle in performing evasive manoeuvres to avoid imminent crash scenarios. In order to better understand the behaviour of the system with different controllers, a simple bicycle model of the vehicle was developed, and an LQR controller was developed to control vehicle steering torque. The controller uses yaw angle, yaw rate, velocity, and position of the vehicle to generate the required steering torque to follow the desired trajectory. An observer was developed to estimate non-measured parameters. Trajectories are generated to follow a lane change before reaching the obstacle. The developed system was tested in various obstacle avoidance and lane change scenarios, and the vehicle was able to avoid obstacles.


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    Titel :

    A collision avoidance steering controller using linear quadratic regulator


    Weitere Titelangaben:

    Ein Lenkungs-Steuergerät zur Kollisionsvermeidung bei Verwendung eines linear-quadratischen Regelansatzes


    Beteiligte:


    Erscheinungsdatum :

    2010


    Format / Umfang :

    10 Seiten, 14 Bilder, 1 Tabelle, 14 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    A Collision Avoidance Steering Controller using Linear Quadratic Regulator

    Eskandarian, Azim / Soudbakhsh, Damoon | SAE Technical Papers | 2010


    A collision avoidance steering controller using linear quadratic regulator

    Soudbakhsh,D. / Eskandarian,A. / George Washington Univ.,US | Kraftfahrwesen | 2010



    Autonomous Pedestrian Collision Avoidance Using a Fuzzy Steering Controller

    Llorca, D.F. / Milanes, V. / Alonso, I.P. et al. | Tema Archiv | 2011


    Autonomous Pedestrian Collision Avoidance Using a Fuzzy Steering Controller

    Llorca, D F / Milanes, V / Alonso, I P et al. | IEEE | 2011