Briefs: Manufacturing & Prototyping
Designing and Fabricating a Multiple-Decade Battery

There is a great need for energy sources that can power unattended sensors for more than a decade. Unattended sensors can be located in harsh and remote locations that are often dangerous for personnel maintenance and power source replacement. The power source must last the lifetime of the...

Technology Update: Defense
Altair Optimizes 3D-Printed Structures for Complex, Lightweight Designs

Altair expects to better support the use of additive manufacturing (AM), or 3D printing, by releasing new OptiStruct solver capabilities for topology optimization. The company claims this new technology is the first tool developed specifically for designers of lattice...

Technology Update: Defense
MTU Develops New Turbine Blade Material in Record Time

MTU Aero Engines announced in March that its internal experts and industry partners have jointly developed a new class of intermetallic, high-temperature materials for highly stressed engine components. Named titanium aluminide (TiAl), this new lightweight material is designed for turbine...

News: Defense
Researcher Develops Autonomous UAV Refueling System

A University of Sydney researcher has designed and successfully tested a method for autonomously docking drones for refueling or recharging, in mid- air. Daniel Wilson, whose PhD research addressed the limited endurance levels of unmanned aerial vehicles (UAV) says, "At the moment, a UAV's...

News: Defense
Army Looks Toward Fully Autonomous Tactical Vehicle

The U.S. Army is working toward developing a fully autonomous tactical vehicle, a robotics expert said. "When you start looking at the mid-term, five to 10 years, we start talking about tapping into external systems," said Mark Mazzara, robotics interoperability lead for the Army's Program...

News: Defense
Laser-Based Aircraft Countermeasures Protect Against MANPADS

The Army expects to reach a Milestone B decision with its laser-based common infrared countermeasures, or CIRCM, defense system program later this year. The CIRCM system, under development now by both BAE and Northrup Grumman, provides a lightweight, laser-based countermeasure against...

Articles: Aerospace
Deploying Next-Generation UAS Platforms with 3U VPX

More powerful. Lighter. Cooler. These are the key criteria for the design of Line Replaceable Units (LRUs) in next-generation Unmanned Aerial System (UAS) platforms, which continue to grow in importance to military organizations worldwide. The ability of these platforms to provide persistent...

Articles: Defense
UGVs — On the Cutting Edge of Thermal Management

Thermal management of unmanned ground vehicles (UGVs) is more complex than other electronic equipment because they have to operate in harsh environments such as humid tropical rainforests or sandy deserts where moisture as well as dust and sand can compromise the reliability of the control...

Articles: Aerospace
Controlling the Seas: Introducing a New Concept in Autonomous Surface/Underwater Vehicles

The boundary between the sea and sky is an important place to be. It’s the critical connecting layer for commercial and military information exchange between the undersea world to aerial, space and shore. Being present at this boundary between sea and...

Articles: Defense
Connectivity in Robotic Systems

While many think of unmanned aerial vehicles (UAVs) or space probes and planet rovers when they think of unmanned systems, the field of robotics covers every environment known to man: sea, ground, air, and space. Beyond UAVs, unmanned underwater vehicles (UUVs) and unmanned surface vessels (USVs) have begun to...

Application Briefs: Defense
Anti-Hacking Software for UAVs
Galois
Portland, OR
503-626-6616
http://galois.com

To address growing evidence that commercial Unmanned Aerial Vehicles (UAV), automobiles and other vehicles are vulnerable to hacking and sophisticated cyber security attacks, Galois developed and successfully demonstrated what has been called...

Application Briefs: Defense
Unmanned Naval Helicopter
Northrop Grumman Corporation
Redondo Beach, CA
310-812-4321
www.northropgrumman.com

The U.S. Navy has been conducting ship-board flight testing of the first operational MQ-8C Fire Scout unmanned helicopter delivered by the Northrop Grumman Corporation. After more than a year of land-based testing...

Application Briefs: Unmanned Systems
UAV Circuit Boards
Sunstone Circuits
Mulino, OR
503-829-9108
www.sunstone.com

Miki Szmuk is an aerospace engineer with big ideas for building better unmanned aerial vehicles (UAVs). As a doctoral student from the Controls Lab for Distributed and Uncertain Systems (C-DUS) of the Department of Aerospace Engineering at the...

Briefs: Defense
Infrared Stereo Calibration for Unmanned Ground Vehicle Navigation

Many challenges still persist in the area of autonomous (and even semi-autonomous) vehicle navigation for unmanned ground vehicles (UGVs). One challenge is in detecting and classifying obstacles for avoidance and path planning. The use of laser-based sensors, such as lidar, has...

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, lightweight, flexible Micro Air Vehicles (MAVs) operate near flutter, providing both harvesting opportunities and...

Briefs: Unmanned Systems
Development and Evaluation of the Stingray Amphibious Maritime Unmanned Ground Vehicle

Every year, the U.S. Navy and Marine Corps conduct thousands of Maritime Interdiction Operations (MIOs) to enforce embargoes, intercept contraband, prevent drug and human smuggling, and fight piracy. These operations are usually conducted by Visit, Board,...

Briefs: Software
Pushbroom Stereo for High-Speed UAV Navigation in Cluttered Environments

Unmanned aerial vehicles (UAVs) rely on an external motion-capture apparatus that gives the vehicles almost perfect state information at high rates. Major challenges in gathering sensing data necessary for flight are the limited payload, computation, and battery life of the...

Briefs: Software
Modeling and Simulation of an Unmanned Ground Vehicle Power System

Robotic vehicles such as unmanned ground vehicles (UGVs) have multiple sources of power, including batteries, fuel cells, combustion engines, ultracapacitors, and solar cells to allow for extended periods of operation. Fuel-based power sources have a higher specific energy than...

Researchers in the United Kingdom have found a way to redesign an artificial connection between an artery and vein, known as an Arterio-Venous Fistulae (AVF), that surgeons form in the...

News: Defense
Are Airships the Future of Aviation?

Researchers from the University of Lincoln, UK, have completed a three-year study of stratospheric passenger airships designed to provide a future sustainable air transport network. The Multibody Advanced Airship for Transport (MAAT) project aims to position airships as the solution for future air...

News: Defense
Unmanned Aircraft Inspect Energy Pipeline

A fixed-wing unmanned aircraft was used to inspect an energy pipeline route with a piloted chase plane following behind to ensure safety beyond the ground observers' sight line. The flight was a step toward making aerial inspections of energy pipelines safer and more economical. The test aircraft was...

News: Defense
Assisted Steering for Efficient Turning of Electric Vehicles

Scientists are developing a new assisted steering concept for electric vehicles. In conventional vehicles, the internal combustion engine not only accelerates the car, but also supplies onboard assist systems with energy, such as the assisted steering system, which reduces the strain...

News: Defense
New Technology May Double Radio Frequency Data Capacity

A team of Columbia Engineering researchers has invented a new technology called full-duplex radio integrated circuits (ICs) that can be implemented in nanoscale CMOS to enable simultaneous transmission and reception at the same frequency in a wireless radio. Up to now, this has been thought...

News: Defense
Innovative Army Tool Enhances Electronic Warfare Capabilities

Beginning with the early stages of Operations Enduring Freedom and Iraqi Freedom, the Army has steadily increased its electronic warfare (EW) capabilities from both a manpower and equipment standpoint. In particular, significant progress has been ongoing since the Army reestablished...

News: Defense
New CMOS Device Could Cut Costs of Night Vision, Thermal Imaging

Engineers at The University of Texas at Dallas have created semiconductor technology that could make night vision and thermal imaging affordable for everyday use.

News: Defense
Scientists Unlock Secrets of Super Solar Power Perovskites

The best hope for cheap, super-efficient solar power is a remarkable family of crystalline materials called hybrid perovskites. In just five years of development, hybrid perovskite solar cells have attained power conversion efficiencies that took decades to achieve with the...

Excelitas’ (Waltham, MA) new HeliX Silicon Avalanche Photodiode (APD) Module is a compact, easy-to-use, analogue low-light-level detection (L³D) module employing Excelitas’ Si APD chips. The detector is in a...

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Tablet Cameras

Motic (Richmond, British Columbia) has figured out a way to turn tablet computers into dynamic imaging stations that will preview, acquire, store, measure, and communicate microscope images. Built on Android technology,...

Ibsen Photonics (Farum, Denmark) recently announced the new FREEDOM HR spectrometer platform for integrators of compact analytical and process control instruments. The new HR platform consists of FREEDOM HR-UV, HR-VIS,...

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