Ship roll motion, characterised by a vessel’s oscillatory movement about its longitudinal axis, remains a central focus in naval architecture and marine engineering. Recent studies have advanced our ...

Video explaining how torque is applied by the external magnet, to control the internal magnet, demonstrating the rolling motion and the benefits of using the oloid shape. Shows sweeping and rolling ...

(A1) Asymmetric driving principle PMP and its normal force analysis. (A2) Force and motion analysis of the PMP. (B1) Schematic diagram of the rack-and-pinion mechanism. (B2) Schematic diagram of the ...