Abstract: To improve the performance of position sensorless control with a single current sensor in low-speed range, an improved current reconstruction method is proposed. High-frequency voltage is ...

"48 Hours" is television's most popular true-crime series, investigating shocking cases and compelling real-life dramas with journalistic integrity and cutting-edge style. Join “48 Hours” ...

15x AMA Champion Ricky Carmichael and 9x AMA Champion Ryan Villopoto recap the week in Pro Motocross and Supercross. A Division of NBCUniversal. DISCLAIMER: This site and the products offered are for ...

If you suffer from nostalgia, you might remember carving a block of wood into a car, adding some wheels, and racing it against other contestants in a pinewood derby. Today’s derby is decidedly high ...

Keep the news in the Wayback Machine. Sign Fight for the Future's letter. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive ...

Touchscreens are great, but they’re not always the perfect solution. Trying to operate one with gloves on (even alleged “touchscreen-friendly” ones) can be cumbersome at best, and if the screen is on ...

Add Yahoo as a preferred source to see more of our stories on Google. True crime. Real justice. "48 Hours" is the one to watch on Saturday nights. UPDATE: Searching for Maya Millete: A young mother ...

Alabama dentists say the state is on the verge of a workforce crisis. One-third of Alabama’s dentists are sixty years or older. At least half of those practice in rural Alabama, which means the ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Vikki Velasquez is a researcher and writer who has managed, ...