The design of different three-phase brushless DC motors and how they generate torque. How magnetics, construction, and other factors impact torque, speed, and smoothness in BLDC motors. General ...

If you spend any time in D.C., you know rats are a problem. "They be in the dumpsters. They be running in groups, like, two, three — a few too many," one man told News4. Another resident said said ...

WASHINGTON (7News) — It's that time of year -- spring cleaning! In the District, leaders are rolling out an aggressive approach to repair roads and sidewalks after the brutal winter storms. They're ...

Seeed Studio reBot Arm B601-DM is a fully open-source 6-axis robotic arm (plus a parallel gripper) designed to lower the ...

If it ain’t broke, don’t fix it. That’s GM’s motto when it comes to its parts sharing strategy found across its portfolio, with many of its various nameplates sharing platforms, engines, and other ...

A former Washington DC-area air traffic controller has spoken out about the 'obvious cracks in the system' that existed when an American Airlines plane and Black Hawk helicopter collided last year.

WASHINGTON (DC News Now) — D.C.’s Department of Health (DOH) is launching a new pilot program to reduce the rat population, in part through birth control. “You have said we need a more effective ...

Abstract: This paper proposes an enhanced grid-forming (GFM) control scheme for modular multilevel converter-based high-voltage direct current (MMC-HVDC) systems interfacing offshore wind farms. The ...

Abstract: Isolated half-bridge three-level (IHBTL) dc/dc converter with high performance in dynamic control, output voltage tracking accuracy, and electromagnetic compatibility is needed in electric ...

motorroller is an easy to use open hardware open software stepper motor controller using Raspberry Pi. Depending on which driver you use, you can control 5 phase or 2 phase stepper motors. In this ...