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.

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James Chen, CMT is an expert trader, investment adviser, and global market strategist. Chip Stapleton is a Series 7 and Series 66 license holder, CFA Level 1 exam holder, and currently holds a Life, ...

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