GM has filed a patent application a variable displacement valvetrain system with rocker shaft porting and insert sleeves for ...

The area of ‘control’ has been a mainstay of determining employment status for decades and constitutes a key part of the decision-making process when deciding a worker’s IR35 position. HMRC has ...

News & Products for the week of December 29th 2025 Model railroad operators and builders can get the latest information about locomotives, freight cars, passenger cars, tools, track, and more by ...

Abstract: The proportional directional valve is a key component in electro-hydraulic control systems; however, existing solutions face structural and functional challenges. The mechanical feedback ...

Abstract: This study proposes a design technique that solves a robust output regulation problem for a class of nonlinear systems subject to unknown control direction. Nussbaum function techniques are ...

China has taken the lead on electric vehicles, leaving the collective West in its dust. Its EVs have better performance, charge quicker and are cheaper to buy than Western alternatives, which makes ...