Abstract: Hydraulic manipulators are usually applied in heavy-load and harsh operation tasks. However, when faced with a complex operation, the traditional proportional-integral-derivative (PID) ...

The News & Observer is proud to introduce our 2026 summer interns and fellows. The journalists will work in departments across the newsroom, including on our metro, politics, business, sports, visuals ...

Abstract: In this paper, an observer that combines the design ideas of disturbance observer and state observer is proposed for fully actuated systems with external disturbances. The integral term is ...

A lawn mower rider died while crossing a rural North Carolina intersection on Wednesday, a State Highway Patrol trooper said. Larry Dale Lail, 63, of Lincolnton, died after he was hit by the driver of ...