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Articles Electronics & Computers
Prototyping with Multi-Layer Boards
As electronic components continue to move increasingly into surface- mount packages exclusively, prototype manufacturing firms are seeing a shift in the fabrication and assembly work needed to implement...
Briefs Software
Test and Evaluation Uses of Heterogeneous Computing
T est and evaluation of current systems is a time-consuming process that reflects both the intricacies of the object of the test and the range of equipment, personnel, and environments required. Many argue that this process consumes far too much of the time that it takes to put new systems into...
Application Briefs Data Acquisition
Handheld Scanner Keeps USAF Planes Combat-Ready
Engineers at several United States Air Force (USAF) bases now use NVision's HandHeld laser scanner to reverse-engineer complex aircraft parts, which are then accurately machined and installed....
Briefs Mechanical & Fluid Systems
Designing a Sensorless Torque Estimator for Direct Torque Control of an Induction Motor
Induction motors often are the preferred choice among industrial motors due to the modern power electronics that improve their speed control. Vitally...
Application Briefs Defense
Analysis of On-Chip Heat Distribution in the Design of RF Power Detectors and Transistor Arrays
The simulation of electromagnetic (EM) and thermal properties of semiconductor and substrate materials has been demonstrated to be particularly...
Briefs Electronics & Computers
Implementing On-Board Cloud Detection on a Reconfigurable Computer
Reconfigurable Computers (RCs) combine traditional microprocessors with field programmable gate arrays (FPGAs), and are characterized by lower form/wrap factors compared to...
Briefs Information Technology
Simulation of a Flywheel Energy-Storage System
A computational model has been developed to simulate the operation of a laboratory flywheel energy-storage system that is a subsystem of the Flywheel Attitude Control, Energy Transmission, and Storage (FACETS) system located at Kirtland Air Force Base in New Mexico. The FACETS, which includes three...
Briefs Information Technology
Enlightened Multiscale Simulation of Biochemical Networks
A continuing research project is dedicated to development of mathematical and software infrastructure in support of post genomics research in systems biology. One near-term objective of the project is to contribute to deeper understanding of the organizational principles of biological...
Briefs Manufacturing & Prototyping
Inexpensive Free-Form Fabrication of Titanium-Alloy Parts
A continuing effort to devise relatively inexpensive means of manufacturing titanium-alloy parts has been focused on a free-form fabrication approach. As used here, “free-form...
Briefs Information Technology
Parametric Design of Three-Dimensional Hydrodynamic Shapes
A method of parametric design of bodies having arbitrary three- dimensional shapes has been invented. The method is intended mainly for use in the design, analysis, and manufacture of...
Briefs Information Technology
Application of CFD to a Slender-Bodied, Finned Projectile
In an application of computational fluid dynamics (CFD), flow fields about a slender-bodied finned projectile and the resulting aerodynamic forces and moments on the projectile were...
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