IEEE

Phase-Lifting Extended State Observer-Based Switching Quasi-Resonant Control Design for PMSMs With Periodic and Aperiodic Disturbances

Abstract: Achieving robust and precise speed regulation in permanent magnet synchronous motor (PMSM) drive systems remains a significant challenge, particularly under disturbances comprising both ...
Raleigh News & Observer

1 killed, 2 injured when 8-story tower explodes in North Carolina, officials say

The N.C. State Bureau of Investigation is assisting in an investigation into what caused the 8-story tower to explode at around 2:06 a.m. and burn, according to a news release. It is located in ...
Uticaod

New Study Reveals ChatGPT, Claude, and Perplexity Cite Sources Using Completely Different Patterns

Analysis of 83,670 AI citations finds 121x gap in Wikipedia usage between engines; LinkedIn only cited by ChatGPT AUSTIN, TX, UNITED STATES, January 21, 2026 ...
Smithsonian Magazine

This 14-Year-Old Is Using Origami to Imagine Emergency Shelters That Are Sturdy, Cost-Efficient and Easy to Deploy

Miles Wu folded a variant of the Miura-ori pattern that can hold 10,000 times its own weight Ramsha Waseem - Freelance writer Wu’s innovation won the top prize of $25,000 at the 2025 Thermo Fisher ...
IEEE

Feedback Matrix Design of Adaptive Full-Order Observer for Stator Resistance Robustness Improvement in Speed Sensorless Induction Motor Drives

Abstract: In the speed sensorless drive of induction motors, the adaptive full-order observer has been verified effective for its stability and accuracy. However, it is essentially a method based on ...