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Optimal stiffness tuning for a lower body exoskeleton with spring-supported passive joints
(IEEE, 2018-10-09)
This paper presents a framework to optimally tune the stiffness values of spring-supported passive joints that are included in lower body exoskeletons. First, a dynamic model of a combined human-exoskeleton system was ...
Optimized process and tool design for gan chemical mechanical planarization
(The Electrochemical Society, 2017-10-04)
In this paper, we present a systematic approach to the gallium nitride (GaN) chemical mechanical planarization (CMP) process through evaluating the effect of crystallographic orientation, slurry chemistry and process ...
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