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Manned Systems

From Emissions Tech to EV Electronics

A recent visit to Eberspaecher’s North American engineering and manufacturing complex reveals how a global Tier-1 rooted in combustion-engine technology is profitably navigating the transition to...

Application Briefs
Imaging

Armament Test Set

Marvin Test Solutions, Inc.
Irvine, CA
888-837-8297
www.MarvinTest.com

Marvin Test Solutions, Inc., a company that specializes in globally-deployed test solutions for military, aerospace, and manufacturing...

Briefs
Transportation

Converting Existing Copper Wire Firing System to a Fiber-Optically Controlled Firing System for Electromagnetic Pulsed Power Experiments

After extensive review from the US Army Research Laboratory (ARL) Electrical Safety Office, it was...

Articles
Unmanned Systems

New Technologies Tackle UAV Challenges

Unmanned vehicles for air, land, and water represent an increasingly-important capability for virtually all military services worldwide. Because each new generation of device technology promises...

Articles
Aerospace

GaN Breaks Barriers

The increasing demand for higher data rates in telecommunications and higher resolution in industrial systems is pushing the frequency of operation higher for the electronics that support them. Many of these systems...

Articles
Energy

Solar Powering UAVs

One of the largest problems facing the aerospace industry involves size, weight, and power (SWaP) analysis and the increasing size of payloads with typically a finite amount of power to drive ever more demanding systems....

Articles
Defense

The Ins and Outs of Spaceflight Passive Components and Assemblies

RF and microwave components deployed in spaceflight applications can experience hundreds of degrees of temperature variation, massive amounts of radiation, and can be expected...

Briefs
Defense

Development of High Quality 4H-SiC Thick Epitaxy for Reliable High Power Electronics Using Halogenated Precursors

Development of robust semiconductor devices with high energy efficiency and reliability is a key objective towards 'Energy...

Articles
Defense

Designing VME Power Systems With Standard Modules

Military electronics continue to push the performance envelope in all directions. Each new system design faces the same challenges: the need for more processing power, tighter specs, and...

Briefs
Manufacturing & Prototyping

Development of a Novel Electrospinning System with Automated Positioning and Control Software

Electrospinning is a nanofiber fabrication technique that has grown in popularity due to its potential in numerous biomedical applications. The...

Articles
Defense

Using SWaP-C Reductions to Improve UAS/UGV Mission Capabilities

The defense and aerospace market continues to push for reductions in size, weight, power, and cost (SWaP-C) to support advanced sensor/vetronics payloads onboard unmanned...

Articles
Defense

3-Phase Single-Step Power Correction in MilAero Systems

As OEMs seek advantages in Size, Weight, Power and Cost (SWaP-C), focus is shifting to advancements in power electronics. Gaining an advantage requires close attention not only to...

Briefs
Aerospace

Simultaneous Vibration Suppression and Energy Harvesting for a Multifunctional UAV Spar

The goal of this work was to investigate using harvested energy to directly control the vibration response of flexible aerospace systems. Small,...

Articles
Aerospace

Advances and Challenges in Developing Radar Applications

Radar is used to detect and/or track target objects and their attributes, such as range, speed, and other information obtained through signals at RF and microwave frequencies. The...

Briefs
Physical Sciences

Simultaneous Vibration Suppression and Energy Harvesting

The goal of this work was to investigate the concept of using harvested energy to directly control the vibration response of flexible aerospace systems. Small, lightweight, flexible...

Articles
Defense

UPS Devices Keep UAVs in the Air

The simplistic definition of UAV reads like this:

“An unmanned aerial vehicle (UAV), colloquially known as a drone, is an aircraft without a human pilot on board. Its flight is controlled either...

Articles
RF & Microwave Electronics

Improving Signal to Noise Ratios in Defense Electronics

As a vertical market, “defense electronics” encompasses a huge range of systems, from portable communications to transportation, avionics, and shipborne radar. While the power...

Articles
Aerospace

Solving the Power/Energy Paradox for High-Power Defense Applications

While often used interchangeably, power and energy are not the same. Energy is the capacity to perform and power is the rate at which that capacity is exercised — the...

Articles
Electronics & Computers

Embedded Video Requirements Drive New Mezzanine Card Format

Sophisticated graphics have hit the embedded systems world and are increasingly demanded by military, aerospace, industrial, and medical applications. The problem, of course, is...

Briefs
Imaging

Wide-Field Imaging System and Rapid Direction of Optical Zoom

A breadboard system has been developed for demonstrating nonmechanical zoom using flexible thin films. The project consists of three major task areas: material characterization,...

Articles
Electronics & Computers

Choosing a Capacitor for Use as a Switch-Mode Power Supply Filter

Input filter caps need to be able to supply a quick burst of energy and to suppress noise generated in the switch circuit. Important considerations for the input filter cap...

Application Briefs
Defense

Low-Voltage Platform Powers US Army's Fuel Efficient Ground Vehicle Demonstrator (FED)

Kollmorgen has released an in-line variant of its lightweight, low voltage Power Generation System, which will be used by the United States Army to...

Briefs
Data Acquisition

Development and Test of a Medium-Voltage Converter for Ocean Observatories

A critical component in regional-scale undersea power systems is the medium-voltage converter (MVC). The MVC is a DC-DC converter in the primary network...

Articles
Aerospace

FPGA Software Tests Telescope Microshutters

The James Webb Space Telescope (JWST), the next big telescope at NASA, will be placed at a stable Lagrange point approximately 1 million miles from the Earth. This telescope is the next stepping...

Articles
Aerospace

Passive Devices Designed to Improve Signal-to-Noise Ratios in Defense Electronics

While power architectures of defense electronics are extremely diverse, all have common operational demands: they must be robust (shock, vibration, temperature...

Briefs
Materials

Shape Memory Polymer Process Development

This work introduces a simple technique of separately fabricating electrospun short fibers. This technique employs a paper mesh, which is placed between the needle tip and counter electrode of the...

Briefs
Electronics & Computers

Channel Field Effect Transistors

Narrow bandgap semiconductors offer high carrier mobilities and low contact resistances, while wide bandgap semiconductors offer high breakdown voltages. A series of heterojunction transistors has been investigated and proved to be effective for improving both speed and power output. These devices include double...

Briefs
Information Technology

Considering Software Protection for Embedded Systems

Given the current trend of reprogrammable embedded devices within the Department of Defense and industry, attention needs to be refocused on the benefits or measurability of software protection applied to this domain. Modern reconfigurable embedded systems consider circuits as software and the...

Briefs
Electronics & Computers

Silicon Carbide Junction Field-Effect Transistor Devices for Scalable Solid-State Circuit Breakers

Power electronic converters functioning as components in high-power systems, such as those of hybrid military ground vehicles, require fast...