Stories
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Q&A: Electronics & Computers
Aydin Aysu, Ph.D., is Assistant Professor in the Electrical & Computer Engineering Department at North Carolina State University in Raleigh, where he helped develop a technique for...
Articles: Software
Between 1985 and 1987, a radiation therapy device called the Therac-25 was involved in at least six incidents in which the device delivered massive overdoses of radiation. The patients...
Articles: Communications
Technology often takes circuitous paths. A magnetron developed for precision bombing during World War II led to the microwave oven, and a battery-powered drill created for collecting samples...
Briefs: Physical Sciences
The current radio infrastructure for firefighters provides voice communications, but does not support data transfer capability for continuous monitoring of people...
Briefs: Manufacturing & Prototyping
Flight Software Math Library
The flight software (FSW) math library is a collection of reusable math components that provides typical math utilities required by spacecraft flight software. These utilities are intended to increase flight software quality reusability and maintainability by providing a set of consistent, well-documented, and tested...
Articles: Software
You may not realize it, but many of the bells and whistles in the products that you engage with on a daily basis are actually powered by software.
Articles: Electronics & Computers
Safety-critical development standards, such as DO-1781, have been very successful in guiding the production of reliable software. These standards assist developers in applying good software...
Articles: Mechanical & Fluid Systems
While today’s multi-discipline mechatronic systems significantly outperform legacy systems, they are also much more complex by nature, requiring close cooperation between multiple design disciplines...
Articles: Electronics & Computers
Software defined radio technology has been widely adopted for new military and aerospace platforms, government signal intelligence and homeland security systems, and now more extensively in commercial...
Articles: Automotive
While the latest news surrounding the U.S. auto industry continues to be focused on slumping sales and production cutbacks, automakers continue to turn out cars that highlight the...
Articles: Electronics & Computers
The term embedded database was coined in the 1980s to mean a database management system (DBMS) that is embedded into an application, in contrast to large central databases...
Application Briefs: Robotics, Automation & Control
The Center for Rapid Transit Systems at Virginia Tech (Blacksburg, VA) is an internationally recognized drive systems and motion control research group with expertise...
Briefs: Software
Software Would Largely Automate Design of Kalman Filter
Embedded Navigation Filter Automatic Designer (ENFAD) is a computer program being developed to automate the most difficult tasks in designing embedded software to implement a Kalman filter in a navigation system. The most difficult tasks are selection of error states of the filter and tuning...
Briefs: Information Technology
Further work on beacon-based exception analysis for multimissions (BEAM), a method of real-time, automated diagnosis of a complex electromechanical systems, has greatly...
Briefs: Physical Sciences
An instrumentation system measures the concentrations of three principal contaminants (nonvolatile residue, hydrocarbon vapor, and particle fallout) in real time. The system includes a...
Briefs: Electronics & Computers
Development of Cognitive Sensors
A technical report enunciates the concept of a hierarchy of sensor classes (meaning transducers, associated circuitry, and embedded software) that have different levels of intelligence, and discusses issues pertaining to the development of sensors of the highest level of intelligence, called cognitive. The other...
Briefs: Software
Software Performs Testing, Monitoring, and Control Functions
The Front End Processor (FEP) Real-Time Embedded Software performs command and data-processing functions for an aeronautical MIL-STD-1553B telemetry link and ground support equipment (GSE) in a spacecraft-equipment-testing environment. The FEP is used in the Test, Control, and...
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