Student's omnidirectional sphere- wheeled electric motorcycle



Thanks to gyros, accelero meters and sophisticated control mechanisms, remaining upright on a two-wheeled vehicle is no longer quite the balancing act it might once have been, even when at a standstill. Visions of future mobility like Honda's U3-X take such ideas in whole new directions, quite literally, by including multi-directional capabilities, and concepts such as Supple go even further still by ditching wheels altogether in favor of balls. It's this freedom of movement that inspired a group of students from the Charles W Davidson College Of Engineering at San Jose State University to begin work on the ambitious Spherical Drive System (SDS) electric motorcycle.
The SDS concept vehicle is described as a self-balancing electric motorcycle that rides on spheres. Rather than using the kind of mechanical gyros that help keep the Gyrobike or the C-1 from Lit Motors in an upright position, the SDS creation uses data from MEMS gyroscopic sensor technology and an onboard accelerometer to electronically control balance. Work began on the project early last year, with the then 14-strong design team taking inspiration from such diverse sources as Will Smith's sphere-packing Audi from the movie I, Robot and the Segway, to ball-balancing robots like the Rezero Ball Bot and the creations of Masaaki Kumagai and Takaya
Ochiai from Tohoku Gakuin University in Japan.

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