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) ...

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 ...

Millions of people across the UK are facing longer and more intense hay fever seasons, with new research suggesting symptoms can now last up to two weeks longer than in previous decades. The report, ...

Justin Fairfax, Virginia’s former lieutenant governor, shot and killed his wife before killing himself, police said on Thursday. Fairfax in 2019 faced a sexual assault accusation by a former Duke ...