Fig. 1
From: RWD-DOF: a dual-degree-of-freedom reconfigurable wheel design for improved robotic mobility

Conceptual diagram of 2-DOF reconfigurable wheel change radius r and rim angle \({\theta }\).
From: RWD-DOF: a dual-degree-of-freedom reconfigurable wheel design for improved robotic mobility

Conceptual diagram of 2-DOF reconfigurable wheel change radius r and rim angle \({\theta }\).