Abstract: This article presents a novel variable stiffness actuator (VSA) capable of wide-range stiffness regulation and has a compact structure. A cam-circular beam mechanism is proposed in the ...

Abstract: Most impedance-based walking controllers for powered knee–ankle prostheses use a finite state machine with dozens of user-specific parameters that require manual tuning by technical experts.

It's rare these days for an artist to ask for fewer microphones, but after warming up in our space, Billy Strings did just that. Surrounded by his band, the bluegrass virtuoso brings back the spirit ...

Michigan bluegrass phenom Billy Strings and his band stopped by NPR’s Tiny Desk for a performance more than a decade in the making. Backed by his band — Alex Hargreaves on fiddle, backing vocalist ...