Sensors/Data Acquisition

Negative Dielectric Constant Material Based on Ion-Conducting Materials

Langley Research Center, Hampton, Virginia Metamaterials, or artificial negative index materials (NIMs), have generated great attention due to their unique and exotic electromagnetic properties. A negative dielectric constant material, which is an essential key for creating the NIMs, was developed by doping ions into a polymer, a protonated poly(benzimidazole) (PBI).

Posted in: Briefs, TSP, Energy Storage, Sensors

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Products of Tomorrow: February 2015

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft safety, increased accuracy in weather forecasting, and the miniature cameras in our cellphones are just some of the examples of NASA-developed technology used in products today.

Posted in: Articles, Products, Data Acquisition, Detectors, Sensors

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Video Wall Monitors Space Station Science

Clarity™ Matrix LCD Video Wall System Planar Systems Beaverton, OR 866-475-2627 www.planar.com A Clarity Matrix video wall system was installed at NASA’s Payload Operations Integration Center (POIC) at Marshall Space Flight Center in Alabama to monitor and manage science being conducted on the International Space Station (ISS). The POIC has been operational since 2001 and, during that time, flight control and other center personnel have monitored and managed ISS mission progress using a mix of large-scale computer monitors and a complement of large-scale projection screens to view ISS activities and share information. In the newly renovated POIC, a video wall of 24 displays has been installed in front of and above the flight control positions. Operational since mid-2013, the video wall provides capabilities that enhance collaboration among the ground team and enable them to more efficiently help the ISS crew and researchers around the world to perform science on station.

Posted in: Application Briefs, Cameras, Displays/Monitors/HMIs, Video, Data Acquisition

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Linear Position Sensors

H. G. Schaevitz Alliance Sensors Group (Moorestown, NJ) introduced the LR-19 series inductive linear position sensors. The contactless devices are designed for factory automation and a variety of industrial or commercial applications such as motor sport vehicles, automotive testing, solar cell positioners, wind turbine prop pitch and brake position, and packaging equipment. They are offered in six full-scale ranges from 25 to 200 mm. Operating from a variety of DC voltages, the sensors offer a choice of four analog outputs and include proprietary SenSetTM field recalibration.

Posted in: Articles, Products, Positioning Equipment, Sensors

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Guarded Two-Dimensional Flat Plate Insulation Test Calorimeter with Attach Points

Consistent test results are obtained in a cost-effective, safe, reliable, and practical manner. John F. Kennedy Space Center, Florida Insulation systems usually do not operate on their own; they must work together with a structural system that is designed to support the article being insulated. Typically this structure penetrates the insulation, degrading it in some manner, and gives a pathway for the conduction of unwanted heat. High-performance insulation systems that use reflective foils are highly anisotropic (the heat flows more easily in one direction than the others), so disturbing the temperature gradients through the material can cause much greater effects than are due to the disturbances alone.

Posted in: Articles, Briefs, TSP, Data Acquisition, Sensors

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Test, Calibration, and Training Target for a Microwave Sensor

NASA’s Jet Propulsion Laboratory, Pasadena, California Human subjects are unsuitable for objective performance testing of victim detection radar because their heart and respiration rates are not controllable or repeatable. There are limitations on human targets from a safety standpoint as well. It is difficult to relate the ground truth to the measured data for a human target without needing additional equipment that must be attached to the human subject. Artificial targets using pneumatics do not provide sufficient fidelity of the radar return for development of identification algorithms.

Posted in: Articles, Briefs, TSP, Sensors

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Computed Tomography Systems

JG&A Metrology Center (Detroit, MI) introduced increased flat panel sizes for computed tomography (CT) systems. Cone beam systems now utilize flat panel technology and scan parts up to 14" (350 mm) in diameter. With increases in LDA sizes as well, the CT systems use line detector array technology when scanning parts up to 26" (650 mm) in diameter. The equipment is used to provide 3D internal part inspection using industrial CT equipment.

Posted in: Products, Detectors

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