Abstract: The non-linearity of the power system dynamic model results in unavoidable systemic errors when employing model-based local linear approximation methods for system dynamic analysis. The ...

Abstract: This paper proposes a dynamic trend calculation method for traction power supply system of high-speed railroad based on vehicle-network coupling. By establishing the contact network chain ...

Objective To undertake a contemporary review of the impact of exercise based cardiac rehabilitation (ExCR) for patients with atrial fibrillation (AF). Data sources CENTRAL, MEDLINE, Embase, PsycINFO, ...

Early science fiction writers and mid-20th-century engineers envisioned solar power satellites, but economic and technical barriers stalled progress for decades. Elon Musk and Jeff Bezos have revived ...