Abstract: In this article, an adaptive dynamic programming (ADP)-based optimal control strategy for a series of fractional-order nonlinear systems (FONS) with unknown control directions is ...

Abstract: Recent work (Rantzer, 2022) formulated a class of optimal control problems involving positive linear systems, linear stage costs, and elementwise constraints on control. It was shown that ...

The Pittsburgh Steelers are signing running back and kick returner Raheem Blackshear to their practice squad, according to Adam Schefter of ESPN. Known as ‘speedy’ when he played at Archbishop Wood in ...