Are you dating your polar opposite? How 1 in 4 Americans make it work

A quarter of coupled-up Americans say their partner is their “polar opposite.” That’s according to a new survey of 2,000 ...
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

Identification Methods for Rotating Diode Rectifier Open Circuit Failures Without Rotor Position Information in Brushless Exciter Systems of Wound Field Synchronous Machines

Abstract: In the wound-field synchronous starter-generator (WFSSG) system used in fully or more electric airplanes, the open-circuit (OC) fault of the rotating diode rectifier (RDR) poses a ...