The world’s first set of traffic signals was installed in London in December 1868. It stood outside the Palace of Westminster ...

Abstract: In this paper, we present a novel and unified small-signal modeling technique for Pulse-Width Modulated (PWM) DC-DC Buck converters with Ripple-Based Constant On-Time (RBCOT) control. In ...

LONDON, Dec. 11, 2025 /PRNewswire/ -- Delphi lets users watch machine learning models compete live on benchmarks and buy a stake in those the user thinks are best, creating the first live market ...

STATEN ISLAND, N.Y — Staten Island Railway customers could experience delays this afternoon because of partially suspended service on the line. According to a service alert posted by the Metropolitan ...

Abstract: Constructing an accurate dynamic health index (HI) is essential to monitor the operational status of machines in real time. Multichannel signals contain richer machine state information than ...

RICHMOND, Va. (WRIC) — Calling all train lovers in the Richmond area! The Model Railroad Show returns to the city this weekend for three days of train-themed fun. From Friday, Nov. 28, to Sunday, Nov.

SHAMOKIN — Lincoln Gilger liked the long trains at the Lower Anthracite Model Railroad Club’s open house on Saturday. In this 5-year-old’s eyes, the trains were about 1,000 cars long.