Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Beyond the wheel, the most important mechanical equipment serving humanity is the centrifugal pump. Centrifugal pumps make modern quality of life possible. Turn on a faucet and a centrifugal turbine ...

Learning the basics can ease loop tuning frustration and ensure stability. During plant operations, it seems that tuning control loops is an ongoing task, which can be a continual frustration to ...

PHOENIX—July 14, 2009—Norcimbus FCIV, Inc., a leader in particle-free UHP process gas systems and automation, today introduced its NBlend variable flow gas mixing system to the global semiconductor ...

A group of researchers from China's Beijing University of Civil Engineering and Architecture has conceived a new control strategy for variable water temperature and variable flow in PV-driven heat ...

Just over a decade ago, an article titled, "Advanced Control Strategies Move into the Field" (Control, October 2008), highlighted three evolving trends in the process control world that would "make ...

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