SHREWSBURY, MA—Physik Instrumente (PI), a manufacturer of precision motion control and nanopositioning technology, has moved ...

Pi Squared, the team building an infinitely scalable network for internet-speed payments, today announced the launch of its ...

Abstract: This paper mainly studies the modeling, stability analysis and proportional-integral (PI) controller design for a class of discrete-time cascade control systems (CCSs). In the existing CCSs ...

Pi Coin’s price action has been an enigma. Year-on-year, it’s down nearly 70%. Over the past month, it has slipped 22.8%, and it’s just 3.7% away from its all-time low. Even in the past seven days, ...

Abstract: This article considers the problem of controller design for a grid-connected wind energy conversion system (WECS) employing a variable-speed permanent magnet synchronous generator (PMSG).