Energy, Power

Energy, Power January 1, 1970

Sensorless AC Drives Fill Price/Performance Niche

KEY WORDSMotors, drives, & motion controlAC variable-speed drivesAC induction motorsAdaptive controlControversial right from their name, "sensorless" ac drives actually use current and voltage sensors to achieve motor control. Even beyond terminology, it's not obvious what sensorless ac drives can or can't do, and where they fit into the big picture.

By Frank J. Bartos, CONTROL ENGINERING
Energy, Power January 1, 1970

Pressure Sensing: It’s Everywhere!

KEY WORDS Process control and instrumentation Process sensing Pressure sensing One of the most-used sensors, pressure instrumentation is found nearly everywhere now. The old process standby is still there—chemical change-of-state monitoring still requires tracking such mundane variables as pressure and temperature—but it now can be found, however tiny, in manufactured goods from au...

By Dick Johnson, CONTROL ENGINEERING
Energy, Power January 1, 1970

Foxboro secures SCADA system contract in China

Foxboro, Mass.— The Foxboro Company, a unit of Invensys Process Automation, announced March 19 that it has been awarded a $15 million SCADA system contract for the Shanxi Wanjiazhai Yellow River Diversion Project in China. This important project, funded by the World Bank, diverts floodwaters from the Yellow River to communities in Shanxi province, thereby mitigating life-threatening flood...

By Staff
Energy, Power January 1, 1970

Control Engineering Highlights the 40 Best Products of 2000

Control Engineering editors— in the 14th annual process—highlighted the best products of the year, based on technological advancement, impact on the market, and service to industry.Editors selected from among thousands of products mentioned in Control Engineering and Control Engineering Online during year 2000, in nine product categories: Control components; Human-machine interface...

By Antonia E. McBride, and Control Engineering Staff
Energy, Power January 1, 1970

Model, Simulate, Execute Simulation in Discrete Control

KEY WORDS PC-based control Machine control Software for control Flowchart programming Simulation Imagine a product design, completed in software, and rendered in 3-D graphics. This rendering allows designers to strip away layers to view and work on components underneath. Next, manufacturing engineers can design the machines, fixtures, and processes required to produce components and completed ...

By Gary A. Mintchell, CONTROL ENGINEERING
Energy, Power January 1, 1970

Short of time, budget? Have a webcast ‘learn in’

Short of time or travel funds to get out to a conference or trade show? "Learn in" with Control Engineering. Via streaming video, we're offering two new opportunities to prepare for the challenges ahead. Click into Control Engineering Online—our upgraded NMW 2001 section adds dozens of short video interviews to editors' highlights of technology introductions, digital images, and on-scree...

By Mark T. Hoske, Editor-in-Chief mhoske@cahners.com