Abstract: Recently, controllers using the barrier Lyapunov function (BLF) are widely used to guarantee the tracking error (or state) constraint. A BLF can be defined ...
The key themes that defined the year behind us will also shape the one ahead. The most-read articles of 2025 tracked a return ...
Abstract: As power systems shift from centralized synchronous machines to distributed, converter-based resources such as solar, wind, and EVs, Virtual Synchronous Machines (VSMs) offer a scalable and ...
It begins as random flashes of greenish-yellow light in the night. And then, slowly, something incredible unfolds. A rhythm of pulsating light illuminates Great Smoky Mountains National Park. The ...
Synchronous fireflies are returning to the Great Smoky Mountains National Park for their annual light show, and now we know when. The National Park Service announced the peak dates for viewing the ...
The last time I went to the doctor, I lived in a different zip code, belonged to a different body-weight category, and was rounding out a different decade. I never consciously swore off health care, ...
As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...
Every year for two weeks between mid-May and mid-June, Congaree National Park in South Carolina is home to a fairy-tale-like display of flashing lights. These rhythmic performances happen all because ...
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