Electrical

Duke University researchers chose arbitrary frequency responses for their machine learning system to find metamaterials to create (circles). The resulting solutions (blue) fit well with both the desired frequency responses and those simulated by commercial software (grey). Courtesy: Duke University
AI and Machine Learning September 29, 2019

Machine learning model finds metamaterial designs for energy harvesting

Duke University electrical engineers are using machine learning to design dielectric metamaterials that absorb and emit specific frequencies of terahertz radiation, which could create new, sustainable types of thermal energy harvesters and lighting.

By Ken Kingery
Hybridization can help companies control and reduce energy expenditures. Courtesy: Danfoss/Control Engineering Europe
Energy, Power September 9, 2019

Top 5 Plant Engineering articles September 2-8

Articles about hybridization benefits, control system connectivity, arc flash hazards, VFDs in injection molding, and IIoT baby steps were Plant Engineering’s five most clicked articles from September 2-8. Miss something? You can catch up here.

By Chris Vavra
Each component in an industrial control panel must be properly applied for safe and reliable operation. The requirements for each component are unique and often misunderstood. Courtesy: Eaton’s Bussmann Division
Electrical Systems September 27, 2019

Safety tips on SCCR for industrial control panels, industrial machinery

How to determine short-circuit current rating (SCCR) and avoid misapplications. When the industrial control panel or industrial machinery does not have an adequate SCCR for the available short-circuit (fault) current, an electrical hazard exists.

By John Kovacik, Dan Neeser, Christy Rosati and Joe Pavia
The automated stacker is a tool for picking loads off the ground or at heights up to 72”. Courtesy: Raymond Corp.
Energy, Power December 13, 2019

Energy solutions will define our futures

What you have seen in automotive, you will see in lift trucks.

By Damon Hosmer
Even a basic cable type, such as flexible portable cords, come with numerous jacket type rating, conductor count, and conductor gauge options. AutomationDirect is offering $0.00 cut charges, same-day shipping, and free shipping on orders over a small minimum to encourage cut-to-length cable adoption. Courtesy: AutomationDirect
Electrical December 3, 2019

How to specify cut-to-length cable

Original equipment manufacturers (OEMs), end users, and system integrators seeking to improve manufacturing and fabrication flexibility can purchase cut-to-length cables to save time and money.

By Jim Krebs
An illustration shows a battery’s cathode undergoing phase transition from iron phosphate (FP) to lithium iron phosphate (LFP) during charging. Simulations by Rice University scientists showed that adding defects — distortions in their crystal lattices — could help batteries charge faster. Courtesy; Kaiqi Yang, Rice University
Energy Efficiency December 12, 2019

Detours can improve batteries for electronics, solar energy storage

Scientists at Rice University’s Brown School of Engineering have discovered that placing specific defects could improve how lithium ions travel in batteries.

By Mike Williams