Abstract: This study presents a novel approach to enhance the speed control performance of the permanent magnet synchronous motor (PMSM) drive system by integrating a new sliding-mode reaching law ...

Abstract: Aiming at improving the speed regulation performance of permanent magnet synchronous motor (PMSM) under aperiodic and periodic disturbances, a variable rate supertwisting (VRST) sliding mode ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Jandy manufactures professional-­grade pool and spa equipment, including a full line of pumps, filters, lights, valves, chlorinators and automation solutions. You can buy equipment directly from its ...

Add articles to your saved list and come back to them any time. If you want to know how China and Australia are competing for influence in the Pacific Islands, here’s a microcosm of the contest.

Temperature control kettles are designed to heat your water to different temperatures for drinks that need less-than-boiling water, such as herbal teas or coffee. Here we reveal our top picks, so you ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Looking at the stars often feels calm and timeless. But sometimes a visitor from space brings concern and captures attention worldwide. One such asteroid is now approaching Earth this week. How close ...