There will be a spike in COVID-19 cases the summer of 2026, as there have been each summer, according to a North Carolina expert. Dr. David Wohl, an infectious diseases expert with UNC Health, said ...
In the 1960s, Kimura’s neutral theory revolutionized molecular biology by arguing most DNA changes are random, not adaptive. A new study finds beneficial mutations are far more common than Kimura’s ...
Abstract: This study developed a local fixed-time sliding mode control (FTSMC) method based on a novel adaptive disturbance observer (NADOB) dedicated to motion tracking control for piezo-driven ...
Abstract: In this article, a disturbance observer dynamic linearization (DL)-based model-free adaptive control (MFAC) scheme is proposed for discrete-time nonlinear systems with disturbances and ...
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