Briefs : Physical Sciences
Measuring Multiple-Axis Position of Multiple Points at Data-Sampling Rates of 10-20 kHz

Multi-point, multi-axis measurement of position can be valuable in a variety of applications that require high-speed data acquisition and a high degree of measurement accuracy. Examples include ballistics testing (weapons, ammunition, and protective gear) and...

Briefs : Physical Sciences
Passive Vaporizing Heat Sink

A passive vaporizing heat sink has been developed as a relatively lightweight, compact alternative to related prior heat sinks based, variously, on evaporation of sprayed liquids or on sublimation of solids. This heat sink is designed for short-term dissipation of a large amount of heat and was originally intended...

Briefs : Physical Sciences
Remote Sensing and Quantization of Analog Sensors

This method enables sensing and quantization of analog strain gauges. By manufacturing a piezoelectric sensor stack in parallel (physical) with a piezoelectric actuator stack, the capacitance of the sensor stack varies in exact proportion to the exertion applied by the actuator stack. This, in...

Briefs : Physical Sciences
Helium-Cooled Black Shroud for Subscale Cryogenic Testing

This shroud provides a deep-space simulating environment for testing scaled-down models of passively cooling systems for spaceflight optics and instruments. It is used inside a liquid-nitrogen-cooled vacuum chamber, and it is cooled by liquid helium to 5 K. It has an inside geometry of...

Briefs : Physical Sciences
Phase Retrieval for Radio Telescope and Antenna Control

Phase-retrieval is a general term used in optics to describe the estimation of optical imperfections or “aberrations.” The purpose of this innovation is to develop the application of phase retrieval to radio telescope and antenna control in the millimeter wave band.

Briefs : Information Technology
Receive Mode Analysis and Design of Microstrip Reflectarrays

Traditionally microstrip or printed reflectarrays are designed using the “transmit mode” technique. In this method, the size of each printed element is chosen so as to provide the required value of the reflection phase such that a collimated beam results along a given direction....

Briefs : Information Technology
Chance-Constrained Guidance With Non-Convex Constraints

Missions to small bodies, such as comets or asteroids, require autonomous guidance for descent to these small bodies. Such guidance is made challenging by uncertainty in the position and velocity of the spacecraft, as well as the uncertainty in the gravitational field around the small body....

News : Energy
Combatting Wind Turbine Noise

Acoustics researchers at the University of Adelaide in Australia are developing a computer model to predict the noise output from wind farms so they can accurately and quickly assess the effectiveness of potential noise-reducing designs and control methods.

Who's Who
Dr. Waleed Abdalati, NASA Chief Scientist, NASA Headquarters, Washington, DC

Waleed Abdalati, on January 3rd of this year, became NASA’s chief scientist. He will serve as the principal adviser to the NASA administrator on agency science programs, strategic planning, and the evaluation of related investments.

Articles : Electronics & Computers
Applying OpenVPX to Single Board Computers

For more than two decades, single board computers (SBCs) built on open standards have been largely based on specifications from two preeminent industry organizations, VITA and PICMG. For the 6U Eurocard format, each organization has developed a platform that has provided the basis for standardized SBCs;...

Articles : Electronics & Computers
Using Static Analysis and Code Verification to Improve Embedded Software

Modern software development and test processes encompass a wide range of best practices and development methodologies. Personal preferences and lessons learned — both good and bad — dictate most workflows. Customized tools and scripts are frequently cobbled together...

Podcasts
Dr. Waleed Abdalati, NASA Chief Scientist, NASA Headquarters, Washington, DC

Waleed Abdalati, on January 3rd of this year, became NASA’s chief scientist. He will serve as the principal adviser to the NASA administrator on agency science programs, strategic planning, and the evaluation of related investments.

To download...

Articles : Imaging
Machine Vision Fundamentals: How to Make Robots ‘See’

Machine vision combines a range of technologies to provide useful outputs from the acquisition and analysis of images. Used primarily for inspection and robot guidance, the process must be done reliably enough for industrial automation. This article provides an introduction of how...

Articles : Software
The Role of Software in Acoustic Micro Imaging

Acoustic micro imaging uses a moving transducer that pulses ultrasound into materials and receives the return echoes from material interfaces. Images made from the echo signals may show anomalies such as delaminations or other cracks, since gaps send back stronger echoes than well-bonded...

Application Briefs : Imaging
Imaging System Buckles Up Camera and Parking Sensor

For five years, Michael Lunoe, President of Zorg Industries, had been in need of a camera system that could identify objects and provide accurate distance from the rear of a vehicle.

Products : Imaging
Industrial Cameras

The Imaging Source, Charlotte NC, has released two MegaPixel industrial cameras. The cameras include a Sony CCD ICX274, 1/1.8" sensor; a resolution of 1600 × 1200 pixels; a frame rate of 15 fps; a USB 2.0 or GigE interface; optional trigger in and digital I/Os; and auto-iris control.

Products : Imaging
Frame Grabber/Video Streamer

Foresight Imaging, Chelmsford, MA, offers the AccuStream Express HD+™ frame grabber and video streamer, featuring a high performance PCI Express x4 board design. The device acquires video from non-standard and standard video formats including HDMI video, DVI-D, RGBHV, YPbPr, HDTV, S-video, composite color, and...

Products : Imaging
Infrared Snapshot Camera

Sensors Unlimited — Goodrich ISR Systems, Princeton, NJ, announces the SU640KTS, a large-format indium gallium arsenide (InGaAs) high-resolution shortwave infrared (SWIR) snapshot video camera. The imager meets all Conformite Europeene (CE) and U.S. Federal Communications Commission (FCC) standards for radiated and...

Products : Imaging
Optical Part-Recognition Tool

Teledyne DALSA, Billerica, MA, a Teledyne Technologies company, has announced its BOA IDR optical inspection product. Features include identification and grading capabilities for part tracking based on codes, characters, or pattern; verification of 2D matrix codes, such as Data Matrix, PDF/QR codes, 1D barcodes, or...

Products : Imaging
LED Video Display

Multi ChipLEDs from OSRAM Opto Semiconductors, Sunnyvale, CA, have been used by FormoLight Technologies, Inc., Taipei, Taiwan, to develop a 150" diagonal LED video display.

Products : Imaging
High-Speed Imaging System

Photron, San Diego, CA, has introduced the IDP Express R2000 system. The R2000 features an on-board field-programmable gate array (FPGA) to provide developers access to the open-ended architecture. The new system supports one or two of Photron’s miniature CMOS high speed camera heads at full or reduced resolution and...

Products : Imaging
Thermal Scanning System

Invisual E. Inc., Toronto, Ontario, Canada, offers an in-process, real-time thermal scanning system for welding inspection and batch process monitoring. The system utilizes the thermal distribution of the heat-affected zone to detect irregularities of the thermal field during solidification of the welded seam. It also...

Products : Imaging
Stainless Steel Sensor

The ZM Series from Optex FA Sensors, West Des Moines, IA, provides durability with a SUS316L stainless steel housing and IP69K protection conforming to the IEC60529 rating system. The self-contained sensor meets environmental demands such as high pressure and high temperature detergent washing. The anti-static PPSU lens is...

Products : Imaging
Lens Nanopositioning System

Mad City Labs, Madison, WI, offers the Nano-F3D lens nanopositioning system. The tool positions an objective lens in 3 dimensions with subnanometer accuracy and repeatability. With a travel range of 100 μm in each axis, the Nano-F3D is suitable for 4Pi microscopy as well as other imaging and inspection applications....

Products : Imaging
High-Definition CMOS Camera

Toshiba Imaging Systems Division, Irvine, CA, offers the IK-HR2D HD camera. Providing real-time, live-image data capture, the camera also features both DVI-D and USB outputs. The 1.73 × 1.73 × 3.17', one-piece CMOS device has selectable outputs to capture and send out video data. The device sends data up to 60 fps...

Products : Imaging
Frame Grabber

The PIXCI® SV5L low-profile composite and S-Video PCI frame grabber from EPIX, Buffalo Grove, IL, acquires video from NTSC, RS-170, PAL, CCIR, or S-Video cameras. A 3-input video multiplexer allows signal selection from two mini-BNC inputs or one S-Video. SMA connectors provide TTL Trigger In and Strobe Out. Digitized video is...

Products : Imaging
Color-Identification Cameras

PPT VISION, Bloomington, MN, introduces twenty-six new IMPACT® M-Series color cameras with dedicated software tools for sorting, monitoring, and identifying color objects. The options range from economical VGA resolution cameras, to 210 frames-per-second high-speed cameras, to a five-megapixel, high-precision model....

Products : Imaging
Imaging Adapters

The VA210 Series of AOTF-NIR (Acousto-Optic Tunable Filter Near Infrared) hyperspectral imaging adapters from Brimrose, Sparks, MD, measure visible or NIR hyperspectral imaging information on a variety of materials. The AOTF-based imaging system, equipped with radio-frequency driver software, provides narrow bandwidth,...

Articles : Robotics, Automation & Control
Steer-by-Wire Systems with Integrated Torque Feedback Improve Steering Performance and Reduce Cost

Hydraulic steering systems have long dominated the industrial utility vehicle market because of their familiarity both to vehicle designers and operators. More recently, a trend has been seen towards the use of electronic steer-by-wire systems...

Application Briefs : Motion Control
Electro-Hydraulic Motion Controller for Earthquake Simulation

How do you test the behavior of different soil structures in an earthquake? Obviously, large earthquakes don’t happen often, and they certainly don’t happen on cue. The solution, of course, is to model earthquakes in a laboratory environment. And that’s exactly what is being...

Webcasts

On-Demand Webinars: Medical

Ethylene Oxide Sterilization: The Future State

Upcoming Webinars: Manufacturing & Prototyping

From Drudgery to the Effective Use of Design and Process FMEAs

Upcoming Webinars: Manufacturing & Prototyping

Heavy-Duty Engine Design for a Transitioning Market

Upcoming Webinars: Photonics/Optics

High-Powered Directed Energy Laser Projects: Destroy the Target,...

Upcoming Webinars: Photonics/Optics

Optical Coating Design

Upcoming Webinars: Manufacturing & Prototyping

Rapid Decompression and Sealed Containers: Why Choose Magnet...