IEEE

Initial Position Detection and Polarity Identification for IPMSMs Using a Linear Time-Invariant Enhanced Phase-Locked Loop in HFSI

Abstract: This article proposes an improved position sensorless control method for interior permanent magnet synchronous motors (IPMSMs) using high-frequency square-wave injection (HFSI). Conventional ...
IEEE

Design of a Flexible BPF Using Coaxial Open-Loop Dumbbell Branch Defected Conductor Structures

Abstract: This letter introduces a flexible bandpass filter (BPF) that employs a coaxial structure, consisting of an inner substrate, an inner conductor featuring open-loop dumbbell-shaped defects, an ...
www.cfa.harvard.edu

Astronomers Find Black Hole With Tremendous Growth Using NASA’s Chandra X-Ray Observatory

CfA astronomers have found the fastest growing black hole on record, which could explain how some can get so big so quickly Cambridge (September 19, 2025)—A black hole is growing at one of the fastest ...
Australian Broadcasting Corporation

Kmart broke privacy laws by using facial recognition technology, commissioner finds

Retail giant Kmart broke privacy laws by using facial recognition technology (FRT) on its customers, the privacy commissioner has found. Over the two years until July 2022, Kmart captured the facial ...
CBS News

Investigators of Dulce Maria Alavez disappearance using AI to find "missing puzzle pieces" 6 years later

Investigators in the Dulce Maria Alavez case have started using artificial intelligence to try to develop new potential leads, as the Bridgeton, New Jersey, community marks six years since the child's ...