Similar to the Control Lyapunov Functions (CLFs), whose objective is to achieve the stability of a system, Control Barrier Functions (CBFs) aim to achieve the safety of a system. They serve as a safety filter that guarantees that the system remains in a defined safety region. This article aims at presenting an introductory overview of the theoretical framework of CBFs and of their application. For doing this, we apply the CBFs framework as a safety filter for obstacle avoidance in the XY movement of a multirotor. The safety filter is designed using two different multirotor models, a single integrator model without considering the inertia of the system and a first-order model that captures the dynamics of a velocity control loop. The proposed safety framework is validated with simulations in Matlab and experiments with indoor flights. The results show the importance of correctly modeling the system.


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    Titel :

    Control Barrier Functions in Multirotors: A Safety Filter for Obstacle Avoidance


    Weitere Titelangaben:

    Lect. Notes in Networks, Syst.


    Beteiligte:
    Marques, Lino (Herausgeber:in) / Santos, Cristina (Herausgeber:in) / Lima, José Luís (Herausgeber:in) / Tardioli, Danilo (Herausgeber:in) / Ferre, Manuel (Herausgeber:in) / González-Morgado, Antonio (Autor:in) / Ollero, Anibal (Autor:in) / Heredia, Guillermo (Autor:in)

    Kongress:

    Iberian Robotics conference ; 2023 ; Coimbra, Portugal November 22, 2023 - November 24, 2023



    Erscheinungsdatum :

    27.04.2024


    Format / Umfang :

    12 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch