Model railroaders convene each year to celebrate their hobby. But this year they're wondering about the impact of tariffs on the foreign companies that make a lot of the products they collect. The ...

Abstract: Control barrier functions (CBFs) are a popular approach to design feedback laws that achieve safety guarantees for nonlinear systems. The CBF-based controller design relies on the ...

Abstract: A conventional model predictive current control (MPCC) scheme for an induction motor (IM) drive performs as an effective controller at dynamic and steady-state conditions. However, the ...

The Trump administration's tariffs have had broad effects on the economy. They've even created uncertainty for the niche industry of model railroading. Jeff Lunden reports. JEFF LUNDEN, BYLINE: The ...

Disclaimer: An earlier version of this article suggested that railroad ties could work well in Wyoming gardens due to their strength and durability. Thanks to a reader’s helpful feedback, we’ve since ...