Wireless I/O is a valuable tool in optimizing the operation of oil and gas wells. In this article it is applied to the problem of automating plunger control in natural gas production.More>>

Supplying power wirelessly provides greater design flexibility.More>>

Autonomous wireless sensor networks—WSNs powered by energy harvesting—have tremendous potential. By examining their possible use in healthcare, condition monitoring, and smart packaging we assess this enabling technology and discuss the challenges to further adoption.More>>

A brief introduction to RF energy harvesting: what it is, what it does, and how it enables wireless sensor networking applications.More>>

A submetering system that couples highly accurate energy measurements to wireless technologies enables effective energy monitoring for energy-conscious companies, allowing them to reduce both their carbon footprint and their utility burden.More>>

Power consumption is a central design consideration for wireless sensor networks whether they are powered using batteries or energy harvesters. Vital to success for either approach, however, is the need for hardware that uses power intelligently.More>>

This article describes prototypes of a novel thermoanemometer-type nanoliter-airflow sensor, integrated onchip with analog CMOS signal conditioning circuitry and with analog adjustability that allows accurate sensing of low differential pressures.More>>

Next-generation wireless asset management systems are incorporating lower power electronics, cellular technologies, and GPS to enable more robust, flexible, scalable systems that reduce operating expenses and improve business productivity.More>>

Federal facilities face mandated energy efficiency improvements. The first step toward achieving these ends requires knowledge of energy usage that a comprehensive power monitoring system—applied wisely—can provide. Here are some key questions to ask when choosing and using a power monitoring...More>>

Using robust radios coupled with a variety of sensors, geophysicists in Ecuador have implemented real-time monitoring systems for the country's volcanoes and other seismically active areas, leading to improved knowledge and public safety.More>>