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    Item type:Publication, Access status: without files ,
    Dynamic end effector trajectory tracking for small-scale underwater vehicle-manipulator systems (UVMS): modeling, control, and experimental validation
    (IEEE, 2025-05)
    Trekel, Niklas
    ;
    Bauschmann, Nathalie
    ;
    Alff, Thies Lennart
    ;
    Duecker Daniel Andre
    ;
    Haddadin, Sami
    With the ongoing miniaturization, recently, lightweight, commercial underwater vehicle-manipulator systems (UVMSs) have emerged that massively lower the entry barrier into underwater manipulation. Within this research field, dynamic and accurate end effector trajectory tracking is a crucial first step in developing autonomous capabilities. In this context, coupling effects between the manipulator and vehicle dynamics are expected to pose a considerable challenge. However, UVMS control strategies analyzed in detailed experimental studies are particularly rare. We present a holistic approach based on task-priority control that we describe and discuss from modeling towards extensive experimental studies, which are crucial for the notoriously hard-to-simulate underwater domain. We demonstrate this framework on the widely used platform of a BlueROV2 and an Alpha 5 manipulator. The end effector trajectory tracking is shown to be highly accurate, with <4 cm median position error. Moreover, our experimental findings on the consideration of dynamic coupling within UVMS control motivate further research. The code is available at https://github.com/HippoCampusRobotics/uvms. A video of the results is available at https://youtu.be/IDM1I5KqlVI.
    Publicationtype: Conference Paper
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    Item type:Publication, Access status: with files ,
    Scopus© Citations 4  221  792