Test & Measurement

Peridynamic Modeling: An Alternative Approach to Analyzing Material Failure

A critical technology challenge for structural material applications is to have a means for the reliable analysis of material damage and failure.
Posted in: Articles, Aeronautics, Aerospace, Aviation, Materials, Computer-Aided Design (CAD), Computer-Aided Engineering (CAE), Computer-Aided Manufacturing (CAM), Software, Measuring Instruments, Monitoring, Test & Measurement
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NASA Tests Electric Aircraft Power Systems

NASA Glenn has repurposed its Hypersonic Tunnel Facility to create the NASA Electric Aircraft Testbed (NEAT), a reconfigurable facility that can accommodate power systems for large passenger airplanes, like a Boeing 737, with megawatts of power.

Posted in: INSIDER, News, Defense, Test & Measurement, Testing Procedures
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Inside Story: The Role of the SFFs in Rugged HPEC Computing

See how the shrinking of systems is impacting embedded computing design principles.
Posted in: News, Aerospace, Defense, Board-Level Electronics, Computers, Electronic Components, Electronics, Electronics & Computers, PCs/Portable Computers, Manufacturing & Prototyping, Joining & Assembly, Mechanical Components, Simulation Software, Software, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement
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LASER World of PHOTONICS, Day 3 — Unusual Exhibits

Editor Bruce A. Bennett takes us through the unusual — and completely unexpected —at this year's LASER World of Photonics.
Posted in: News, Blog, Automotive, Cameras, Imaging, Machinery, Mechanical Components, Lasers & Laser Systems, Optical Components, Optics, Photonics, Automation, Robotics, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement, Automotive, Transportation
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LASER World of PHOTONICS 2019

The bi-annual Laser World of Photonics exhibition begins today.
Posted in: News, Blog, Communications, Manufacturing & Prototyping, Fiber Optics, Lasers & Laser Systems, Optical Components, Optics, Photonics, Data Acquisition, Detectors, Sensors, Inspection Equipment, Measuring Instruments, Monitoring, Test & Measurement
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Multi-Agent RF Propagation Simulator

A desirable interface between multi-agents is through over-the-air RF connections that include not only the intended direct RF communications paths but also highly variable multi-ray propagation, range attenuation, external RF influences, and near-earth influence. These influences are all difficult to predict, control, and repeat in an outdoor environment. This outdoor testing, as has traditionally been done, is extremely expensive while simultaneously providing fewer data points than more controlled events and the testing events are generally not repeatable.

Posted in: Articles, Aerospace, Communications, Data Acquisition, Antennas, RF & Microwave Electronics, Data Acquisition, Sensors, Simulation Software, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement, Testing Procedures
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Matrix-Free Assisted Laser Desorption Ionization Using Metal-Organic Frameworks

Matrix-assisted laser desorption/ionization (MALDI) is a soft ionization technique that is widely applied in the characterization of large biomolecules using various mass spectrometry (MS) analyzers, specifically, time-of-flight (TOF) analyzers. The MALDI process involves the deposition of an analyte solution onto a metal substrate before the addition of a matrix. The matrix/analyte dry spot is exposed to a UV laser, and the laser energy that is absorbed by the matrix/analyte is converted into heat energy that initiates charge transfer, which results in the desorption of the matrix and analyte molecules in ionized form. The positive ions are then accelerated through a vacuum into MS analyses.

Posted in: Briefs, Aerospace, Defense, Materials, Metals, Mechanical Components, MEMs, Data Acquisition, Sensors, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement
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New Products: June 2019 Aerospace & Defense Technology

Lange Couplers

The construction and port orientation of the Lange Coupler from SemiGen (Londonderry, NH) makes it useful as both a power combiner and splitter for RF and microwave applications. It is a specific type of directional coupler, which allows passive coupling of a defined amount of electromagnetic power. The sweet spot for Lange Couplers has traditionally been UHF to Q-band; the limit becomes frequency. Substrate height and strip width are inversely related to frequency, increasing loss due to the reduced amount of metal available to act as a conductor.

Posted in: Products, Aeronautics, Aerospace, Aviation, Defense, Batteries, Board-Level Electronics, Computers, Electronic Components, Electronics, Electronics & Computers, PCs/Portable Computers, Power Management, Power Supplies, Materials, Fastening, Joining & Assembly, Machinery, Mechanical Components, Motors & Drives, Positioning Equipment, Automation, Robotics, Inspection Equipment, Instrumentation, Measuring Instruments, Monitoring, Test & Measurement, Testing Procedures
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Getting the Most Out of Industrial CT Scanning

Quality assurance and flight certification of critical aerospace parts and assemblies have reached new levels of sophistication in recent years. Leading aerospace and defense manufacturers worldwide now consider computed tomography (CT) scanning to be an essential part of their non-destructive testing (NDT) toolkit. Far more powerful than the CT used to scan the human body, industrial CT can penetrate almost every material, from superalloys to lead, revealing hidden details that previously could only be found by cutting and destroying finished parts.

Posted in: Articles, Aerospace Manufacturing and Machining, Aerospace, Defense, Imaging, 3 D Printing & Additive Manufacturing, Industrial Controls & Automation, Manufacturing & Prototyping, Rapid Prototyping & Tooling, Ceramics, Composites, Materials, Joining & Assembly, Machinery, Mechanical Components, Computer-Aided Design (CAD), Computer-Aided Manufacturing (CAM), Simulation Software, Software, Inspection Equipment, Measuring Instruments, Monitoring, Test & Measurement, Testing Procedures
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The Inside Story on Unmanned Vehicle Signal Recorder Technology

Pentek Vice President Rodger Hosking explains how signal recorder technology is being implemented in military unmanned vehicles.
Posted in: News, Aeronautics, Aerospace, Aviation, Automotive, Communications, Wireless, Data Acquisition, Defense, RF & Microwave Electronics, Data Acquisition, Sensors, Measuring Instruments, Monitoring, Test & Measurement, Automotive, Transportation
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