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2004 Annual Report


Head Letter

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Beyond Imaging

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Cell Behavior

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ECE Research Update

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Cognitive Radio

Network Game Theory

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UWB Lab

High-Temp Sensor

Cell phone detector

Optical Cryptography

Shoot-Through Failures

IPEMs

Die-Attach

R&D 100 Award

Electronic Noses

Distributed Generation

USG

$1000 Elevator

Embedded Systems

Defect Tolerance

Efficiency Tools

Pervasive Networks

Video Networks

Networked Testbeds

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2002/2003 Ph.D.s

2003 Patents

 

 

 

Special Report:
ECEs and Biomedicine

April 2004

 

For more information, see the CPES website.

CPES module-based converter showcases revolutionary technology

CPES successfully demonstrated a fully functional integrated 1kW front-end converter for internet servers with more than 75 percent of the energy processing functions integrated into IPEMs. This paves the way for a complete paradigm shift in the electronic control of electrical energy, according to CPES director, Fred Lee.

The system incorporates three major CPES developments, including an active IPEM, a passive IPEM and a filter IPEM. The active IPEM integrates power semiconductor devices and electronic switching components using embedded power technology. The passive IPEM integrates the energy storage inductors, capacitors, and power transformers, and the filter IPEM provides electromagnetic interference attenuation and power frequency propagation.

The successful demonstration is a result of the center’s multidisciplinary team working together to address the intertwined issues of high-frequency power conversion, semiconductor devices, advanced materials, and electro-magneto- thermo-mechanical integration.

 
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http://www.ece.vt.edu/news/ar04/ipem.html
Last updated: Wed, Jun 9, 2004