The Purpose of Mixed-Effects Models in Test and Evaluation

While Defense Test and Evaluation (T&E) is different from agriculture, data attributes can be surprisingly similar.

MIL-DTL-32628/01-X Reusable EMI Shield Termination Band on MIL-DTL-38999 Electrical Connector Accessory Braid Termination/Tensile Qualification Test

A series of reusable bands were evaluated for tensile strength performance.

Formal Process Modeling to Improve Human-Decision-Making During Test and Evaluation Range Control

Innoslate software tool formally models the process of conducting test range events.

Reimagining Automated Test During a Pandemic

COVID-19 has challenged test and measurement companies that supply the aerospace & defense sector.

Test and Evaluation of Autonomy for Air Platforms

Tools, approaches, and insights to confidently approach the safe, secure, effective, and efficient testing of autonomy on air platforms.

How Solid-State Technology Impacts A&D Equipment Testing

Learn how to provide accurate power sources with adjustable voltages and frequencies during the test cycle.

Use of Mass-Flux Measurement and Vapor-Phase Tomography to Quantify Vadose-Zone Source Strength and Distribution

New tech can improve evaluation of vadose zone source impacts on groundwater, leading to improved remediation decisions.

Developing Knowledge and Understanding for Autonomous Systems for Analysis and Assessment Events and Campaigns

There are many challenges in developing complete performance ontologies and test methodologies to define and evaluate the...

Understanding the “Black Art” of RF and Microwave Switching

Understanding RF, especially microwave switching, can be a challenge. In many cases, test systems have been compromised because a test engineer did not consider all the...

Streamlining EMC Solutions for Avionics Interfaces

Lightning strikes to jet airliners are common - about once every 1000 flight hours. The DO-160G standard, Environmental Conditions and Test Procedures for Airborne Equipment, is a standard...

Burner Rig Testing of A500® C/SiC

There is growing interest in developing, testing, and deploying ceramic-matrix composites (CMCs) into commercial and military aerospace gas turbine engines due to their durability under extreme conditions...

Inter-Laboratory Combat Helmet Blunt Impact Test Method Comparison

As the medical community learns more about brain injury, the importance of blunt impact mitigation becomes more apparent. As such, it is critical to make sure that research...

Hydraulic Testing of Polymer Matrix Composite 102mm Tube Section

The objective of this research was to hydraulically pressurize the internal diameter of one 102mm Polymer Matrix Composite (PMC) over-wrapped cylinder up to 25,000 pounds per...

Using Turbine Flow Meters for Aerospace Test and Measurement Applications

Turbine flow meters have long been a preferred technology for obtaining precise measurements of fluid flow in the aerospace industry. In addition to their high...

Permeation Tests on Polypropylene Fiber Materials

The Toxic Industrial Chemical/Toxic Industrial Material (TIC/TIM) Task Force MFR#1 published in February 2009 focuses on inhalation hazards in an operational environment and provides a list...

Robotic Paint Removal System

Air Force Research Laboratory
Wright-Patterson Air Force Base, OH
+1 937-255-0017
www.wpafb.af.mil

AFRL Materials Integrity engineers recently played a key role in enabling the safer and more...

Initial Validation of Ballistic Shock Accelerometers

Method 522.2 of MIL-STD-810G CN1 defines ballistic shock as “a high-level shock that generally results from the impact of projectiles or ordnance on armored combat vehicles”. Typical...

Uncertainty Propagation for Force Calibration Systems

There are several labs operating throughout the world that do not follow a designated guideline for calculating measurement uncertainty for force calibrations. Realizing the need for...

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...

Damping Measurement for Wafer-Level Packaged MEMS Acceleration Sensors

Microelectromechanical system (MEMS) three-axis acceleration threshold sensors have been developed to measure acceleration threshold levels using voltage switching when...

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...

Computer Simulation’s Role in Advancing Composite Aircraft Structures

Many of the computer simulation tools used today got their start in the Aerospace industry but their use has always been coupled with significant physical testing. The...

The Attack-Counterattack Game

Leveraging Digital RF Memory Electronic Jammers for Modern Deceptive Electronic Attack Systems

In the world of electronic counter measures (ECM), there is a constant battle of one-upmanship, where each side is...

Designing Thermal Management Systems for Smaller, Lighter Avionics

The avionics systems of military aircraft support maneuverability and situation awareness for the pilot, process essential images, operate sensors, record data, and provide...

Using RF Technology to Form a Wireless Network Under Water

Consumers have shown that they are eager to be rid of cabling and wires connecting them to devices situated or worn near or on the body. From athletic monitoring devices to...

MISRA C:2012

For C programmers working on safety-critical applications, following restrictions and guidelines to ensure safe-coding practices can be painful. Features of the language designed to make your work easier, more efficient, or...

Stencil Mask Methodology for Parallelized Production of Microscale Mechanical Test Samples

Over the past decade, there has been considerable progress in the development of new mechanical testing methods to characterize the properties of...

Designing Rugged, Standards-Based Embedded Solutions

It can be argued that small form factor design trends are paradoxical. As form factor size decreases, functionality requirements increase; as processing power requirements heighten, lower...

Developing an Efficient RF Cable Test Suite for the Eurofighter Aircraft

The Eurofighter Typhoon is a state-of-the-art combat aircraft. BAE Systems has been working with other leading aerospace companies to make sure the Eurofighter Typhoon...