Abstract: Modeling and controlling aircraft can be particularly challenging when the system is highly nonlinear or only partially understood. While data-driven approaches can be promising in this ...

Abstract: Nonlinear affine systems with relative degree two widely exist in the control field, and the unified output tracking control approach of these systems is still an open problem. This paper ...

The layoffs have raised fears that the administration could be effectively ending an initiative that provides contraception for millions of low-income women. By Caroline Kitchener Reporting from ...

On 12 October 2025 the new Entry/Exit digital border management system (EES) will become operational in 29 European countries. The EES will improve the effectiveness and efficiency of controls at the ...