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Geometric approach in robotic snake motion control
Vechetová, Jana ; Hrdina, Jaroslav (oponent) ; Vašík, Petr (vedoucí práce)
This thesis deals with the description of controllability of a specific robotic snake named trident snake robot. This robot is classified as a nonholonomic system. The kinematics model is converted into the language of differential geometry and controlled by vector fields and their operation Lie bracket. Approximation of the controlling distribution is also considered. Next, vector field motions are described and also their combinations which provide basic planar surface motions (rotation and translation). Finally, these motions caused by vector fields are simulated in V-REP.
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Nonholonomic mechanisms geometry
Bartoňová, Ludmila ; Návrat, Aleš (oponent) ; Vašík, Petr (vedoucí práce)
This master's thesis deals with a description of a kinematic control model of nonholonomic mechanism, namely the robotic snake. The model is analysed by means of differential geometry. Next, its nilpotent approximation is derived. Local controllability is checked by the dimension of Lie algebra generated by the controlling vector fields and their Lie brackets. In the end, two simple motion planning algorithms, one on global and one on local control, are proposed, and the comparison of models is discussed.
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Nonholonomic mechanisms geometry
Bartoňová, Ludmila ; Návrat, Aleš (oponent) ; Vašík, Petr (vedoucí práce)
This master's thesis deals with a description of a kinematic control model of nonholonomic mechanism, namely the robotic snake. The model is analysed by means of differential geometry. Next, its nilpotent approximation is derived. Local controllability is checked by the dimension of Lie algebra generated by the controlling vector fields and their Lie brackets. In the end, two simple motion planning algorithms, one on global and one on local control, are proposed, and the comparison of models is discussed.
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Geometric approach in robotic snake motion control
Vechetová, Jana ; Hrdina, Jaroslav (oponent) ; Vašík, Petr (vedoucí práce)
This thesis deals with the description of controllability of a specific robotic snake named trident snake robot. This robot is classified as a nonholonomic system. The kinematics model is converted into the language of differential geometry and controlled by vector fields and their operation Lie bracket. Approximation of the controlling distribution is also considered. Next, vector field motions are described and also their combinations which provide basic planar surface motions (rotation and translation). Finally, these motions caused by vector fields are simulated in V-REP.
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