Throughout his presidency, Donald Trump has proved himself adept at evading the controversies that have dogged him on a ...

Hiring in the US health care sector is looking increasingly shaky, raising a warning flag for the economy given its ...

Abstract: The article puts forward a modified discrete-time super-twisting (DTST) control strategy for the speed regulation system of permanent magnet synchronous motor (PMSM) to strengthen the ...

The documents provide a window into the ongoing upheaval inside the National Insitutes of Health, in which political review has been inserted into the scientific process.

Abstract: This letter introduces a new methodology for the design and tuning of sliding mode controllers with fixed-time stability property for a class of second ...