A knob can make a surprisingly versatile interface, particularly if it’s the SmartKnob, which builds a knob around a BLDC ...

AC induction motors are everywhere, from ceiling fans to vehicles. They’re reliable, simple, and rugged — but there are some disadvantages. It’s difficult to control the speed ...

Birth control (contraception) is any device, medicine, or medical procedure that helps prevent pregnancy. Most types of birth control are for female contraception. Hormonal methods include the pill, ...

Abstract: This paper proposes a sensorless speed control method for brushed DC motors that extends the usable speed estimation range by combining current-ripple analysis with high-frequency signal ...

Abstract: Model-free predictive control has demonstrated robust performance while maintaining the benefits of predictive control, including precision and rapid transient response. This technique has ...

Diana Kelly Levey is a journalist, editor, content marketing writer, and author with more than 15 years of experience covering topics on health, parenting, pets, and sleep. Aside from Health, her work ...

Tim Smith has 20+ years of experience in the financial services industry, both as a writer and as a trader. Andy Smith is a Certified Financial Planner (CFP®), licensed realtor and educator with over ...

Objective: To evaluate the effects of lumbosacral and lumbopelvic fixation and fusion on hip motor function using a three-dimensional gait analysis system. Methods: This single-center prospective ...