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Power

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
Motion Control

Electric Satellite Thruster

IVO Ltd.
Bismark, ND
+1 701-390-9567
https://ivolimited.us/

IVO Ltd., a company that specializes in capacitive based technologies, recently unveiled the IVO Quantum Drive, the first pure electric...

Application Briefs
Electronics & Computers

Electric-Powered Warship

The first full-electric power and propulsion surface combatant, the USS Zumwalt, has been delivered to the US Navy.

News
Manned Systems

Battery Show Teems with All Things Rechargeable

Although electric vehicles (EVs) currently comprise less than 2% of the U.S. light-vehicle market, the transportation sector is bursting with established companies and startup enterprises...

Briefs
Imaging

Energy Harvesting for Soft-Matter Machines and Electronics

A new class of soft multifunctional materials could be used to convert mechanical deformation from vibrations and stretching into electrical energy.

Articles
Aerospace

Microwave Photonic Notch Filter

Interference mitigation is crucial in modern radio frequency (RF) communications systems with dynamically changing operating frequencies, such as cognitive radios, modern military radar, and electronic warfare...

Articles
Defense

Rotorcraft Anti-Icing Systems

Flying anytime, anywhere, in all-weather conditions is one of the most challenging technology and capability goals across the rotorcraft industry to meet a growing demand for reliability, safety and the ability...

Briefs
Aerospace

Autonomous Underwater Munitions and Explosives of Concern Detection System

The objective of Environmental Security Technology Certification Program (ESTCP) Project MR-201002, Autonomous Underwater Vehicle (AUV) Munitions and Explosives of...

Articles
Aerospace

Designing a Power Generation System for a More-Electric Aircraft

It is theorized that systems and equipment for an All Electric Aircraft (AEA) will be developed 20 years hence as a More-Electric Aircraft (MEA) with no bleed system, which is...

Articles
Aerospace

DPA Countermeasures — Theory vs. Practice

The Threat

In today’s interconnected world, the information that we generate, store, transmit, and receive has become a valuable commodity. We have increasingly turned to cryptography as a tool...

Articles
Aerospace

Using Sensor Technology to Combat Legacy Issues in Defense Avionics

Reliance on aging military platforms has become a global concern and military aircraft today are expected to remain in service for longer than their original life cycles....

Briefs
Defense

Isotope Beta-Battery Approaches for Long-Lived Sensors

The energy density of isotopes exceeds that of chemical energy storage by six orders of magnitude. Isotopes are used in many commercial applications, and are produced and available at modest prices. The power requirements of many sensors and communications equipment can greatly reduce the...

Technology Update
Aerospace

Sikorsky’s All-New Raider Helicopter Prototype is Ready to Fly

Sikorsky Aircraft unveiled in early October the first of two S-97 Raider lightweight tactical helicopter prototypes. In 2015 Sikorsky plans to offer the S-97 as a replacement...

Technology Update
Aerospace

Researchers Develop Multiphysics Model for Electro-Thermal Analysis of UAV

Vives College University and Kulab (KU Leuven University campus Ostend) in Belgium are undertaking an aeronautical research program for the development of a new UAV...

Articles
Aerospace

Hybrid-electric distributed propulsion explored

A turboelectric distributed propulsion (TeDP) system is a powertrain consisting of a turboshaft engine used solely to provide electrical power through a generator to electric motors driving...

Articles
Materials

More Electric, Integrated Fuel Systems

Global warming and environmental friendliness considerations have recently been key for multiple global industries. In the commercial aviation industry, reduction of aircraft emissions, including...

Briefs
Electronics & Computers

Implementing Interconnected Generation in Future Civil Aircraft

In addition to providing thrust, the engines on conventional civil jet airliners generate power for onboard systems and ancillary loads in the form of pneumatic, hydraulic, and...

Briefs
Physical Sciences

Bi-Axial Vibration Energy Harvesting

For air platforms, the installation of Structural Health Monitoring (SHM) systems is complicated by the fact that the majority of SHM devices need to be fitted on internal aircraft structure, underneath...

Briefs
Materials

High-Temperature Silicon Carbide Power Module for Military Hybrid Electric Vehicles

The ever-increasing electrical power, power density, and cooling requirements of present and future military platforms are pushing silicon-based power...

Briefs
Electronics & Computers

Prognostic Health Management for Avionics System Power Supplies

Electronic systems such as electronic controls, onboard computers, communications, navigation, and radar perform many critical functions onboard military and commercial...

Application Briefs
Defense

Gas Turbine Exhaust Recovery Design Improves Propulsion Efficiency

In January, Concepts NREC (CN) was awarded a Phase I Small Business Innovative Research (SBIR) grant from the Navy to improve the power efficiency of its gas turbine prime...

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...

Application Briefs
Defense

Active Heat Sink Technology to Improve Thermal Performance of Military Systems

The Defense Advanced Research Projects Agency (DARPA) has extended its contract with Thermacore to develop and commercialize active heat sinks that can be used...

Briefs
Electronics & Computers

Compact Superconducting Power Systems for Airborne Applications

In the development of future airborne megawatt-class power generation, it is important to minimize both the size and the weight of the system. The primary means of increasing...

Briefs
Mechanical & Fluid Systems

Parallel Hybrid Vehicles Using Fuzzy Logic Control

A fuzzy logic controller for hybrid vehicles with parallel configuration was proposed. Using the state-of-charge (SOC) of the energy storage, the driver command, and the motor/generator speed, a set of rules was developed. The fuzzy logic controller can determine the split between the electric...

Briefs
Information Technology

Optimized Robust Adaptive Networks in Supervisory Control and Data Acquisition Systems

The Electric Power and Communica - tion Synchronizing Simulator (EPOCHS) system could provide great benefits to private industry and Department of Defense (DoD) power systems infrastructure by allowing simultaneous, synchronous simulation of communication and...

Articles
Aerospace

Electrically Driven General Systems for UAVs

General systems are defined as all of the flight safety critical systems of an aircraft, excluding the engine and flight control computing. Usually, the main subsystems in a general system include...

Articles
Aerospace

Detecting Improvised Explosive Devices in Urban Areas

Improvised explosive devices (IEDs) are rudimentary bombs that generally consist of commonly found non-military materials. Although common IED threats include roadside bombs, suicide...

Briefs
Photonics/Optics

Photon Counting Chirped Amplitude Modulation Ladar

This work is a follow-up to prior efforts to develop a method using Geiger-mode avalanche photodiode (GM-APD) photon counting detectors in chirped amplitude modulation (AM) ladar receivers...