— The ballbot is a dynamically stable mobile robot that moves on a single spherical wheel and is capable of omnidirectional movement. The ballbot is an underactuated system with ...
Umashankar Nagarajan, George Kantor, Ralph L. Holl...
— Unlike statically stable wheeled mobile robots, dynamically stable mobile robots can have higher centers of gravity, smaller bases of support and can be tall and thin resemblin...
Umashankar Nagarajan, Anish Mampetta, George Kanto...
Human-Robot Physical Interaction is an important attribute for robots operating in human environments. The authors illustrate some basic physically interactive behaviors with dyna...
Umashankar Nagarajan, George Kantor, Ralph L. Holl...
This paper investigates controllability of underactuated rolling systems consisting of a smooth object rolling on a moving smooth surface. Our system consists of a spherical ball ...