Abstract: This article proposes an event-triggered control technique based on an adaptive barrier function higher-order global sliding mode control (SMC) for a class of quadrotor unmanned aerial ...

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Abstract: The hybrid integrator-gain system (HIGS) is a nonlinear control element with significant potential to enhance controller performance in precise motion control. However, existing HIGS-based ...

President Trump signed an executive order Thursday calling on the national park system to charge higher entry fees for foreign visitors. It instructs Interior Secretary Doug Burgum — who oversees the ...

President Donald Trump signed an executive order Monday that seeks to limit federal funding for gain-of-function research, which is used to study how pathogens can become more harmful by causing ...

Scientists have long debated the merits and risks of tinkering with viruses and bacteria, which the president claims caused the coronavirus pandemic. By Carl Zimmer and Emily Anthes President Trump ...

President Trump’s new executive order, “Reforming Accreditation to Strengthen Higher Education,” makes clear that the Trump administration understands the importance of reforming our broken ...