Stories

0
8850
30
Articles: Motion Control
Modern satellites use motors for many purposes — moving solar panels for optimum alignment to the Sun; moving reaction wheels to change the orientation...
Feature Image
Products: Motion Control
NK Technologies (San Jose, CA) offers AGLD Series ground fault sensors that protect machinery and operators from accidental shocks. The one-piece, solid-core design allows for installation over wires feeding heavy...
Feature Image
Products: Motion Control
Nexen Group (Vadnais Heights, MN) introduced the PRD Precision Ring Drive indexer, an alternative to direct drive motors that can start and stop at any incremental position. The motion profile is changed by loading a new servo...
Feature Image
Briefs: Imaging
3D Imaging Laser System
NASA’s Goddard Space Flight Center has developed a non-scanning, 3D imaging laser system that uses a simple lens system to simultaneously generate a one-dimensional or two-dimensional array of optical (light) spots to illuminate an object, surface, or image to generate a topographic profile.
Briefs: Imaging
NASA’s Langley Research Center researchers have developed an automatic measurement and control method for smart image enhancement. Pilots, doctors, and photographers will benefit from this innovation that...
Feature Image
Briefs: Imaging
NASA’s Marshall Space Flight Center has developed novel neutron grazing incidence optics for use with small-scale portable neutron generators. The technology was...
Feature Image
Briefs: Imaging
A new smart camera developed at NASA’s Glenn Research Center has the ability to process and transmit valuable edge location data for the images that it captures — at a rate...
Feature Image
Briefs: Imaging
Scientists at NASA’s Glenn Research Center have successfully developed a novel subcutaneous structure imager for locating veins...
Feature Image
Briefs: Imaging
NASA’s Langley Research Center has developed 3D imaging technologies (Flash LIDAR) for real-time terrain mapping and synthetic...
Feature Image
Briefs: Imaging
High-performance thermal imagers like Mars Climate Sounder (MCS) on the Mars Reconnaissance Orbiter (MRO) and the Diviner Lunar Radiometer Experiment on the Lunar...
Feature Image
Briefs: Imaging
Digital holography is a fast-growing field in optics, recently spurred by the advent of large-format digital cameras and high-speed computers. This method provides a time-series of volumetric...
Feature Image
Briefs: Electronics & Computers
This superconducting magnet developed at NASA Goddard Space Flight Center comprises a superconducting wire wound in adjacent turns about a mandrel to form the superconducting magnet; a thermally conductive...
Feature Image
Briefs: Electronics & Computers
NASA has developed a method that prevents total system failure during emergencies, allowing parts of the system to continue to function, and making overall system recovery faster. A heterogeneous set of...
Feature Image
Briefs: Electronics & Computers
NASA’s Jet Propulsion Laboratory has developed a low-loss dielectric waveguide that provides a simple, versatile, and flexible transmission medium. Dielectric waveguides — long, solid pieces of dielectric...
Feature Image
Briefs: Electronics & Computers
Sampling and Control Circuit Board for an Inertial Measurement Unit
Scientists at NASA’s Glenn Research Center have developed a circuit board that serves as a control and sampling interface to an inertial measurement unit (IMU). The circuit board provides sampling and communication abilities that allow the IMU to be sampled at precise intervals....
Briefs: Electronics & Computers
Efficient Radiation Shielding Through Direct Metal Laser Sintering
Functional and parametric degradation of microcircuits due to total ionizing dose (TID) often poses serious obstacles to deployment of critical state-of-the-art (SOTA) technologies in NASA missions. Moreover, because device dielectrics in which such degradation occurs vary from one...
Briefs: Materials
NASA-developed polyimide aerogels are 500 times stronger than conventional silica aerogels. The innovative aerogels represent a revolutionary advance over fragile silica aerogels...
Feature Image
Briefs: Materials
Catalytic Oxidation of Organic Contaminants at Reduced Pressure
The current technology for catalytic oxidation of aqueous organic contaminants at elevated temperature and pressure works well at operating conditions of 265 °F and 70 psia with effluent TOCs (total organic carbon) of less than 0.5 ppm. However, it does not perform well at the reduced...
Briefs: Materials
Approach for Achieving Flame Retardancy While Retaining Physical Properties in a Compatible Polymer Matrix
NASA’s Kennedy Space Center (KSC) seeks to license its Advanced Fire Retardant Materials to industry. KSC’s scientists have developed processes and know-how to impart fire retardancy to common polymers such as nylons, polyesters, and...
Briefs: Materials
NASA’s Langley Research Center has developed a new technique to enable the preparation of metal/composite hybrid laminates, also known as fiber metal laminates (FML), by...
Feature Image
Briefs: Manufacturing & Prototyping
NASA’s Langley Research Center is developing a robotic arm with lightweight joints that provide a wide range of motion. The envisioned design provides users with a long reach and numerous...
Feature Image
Briefs: Manufacturing & Prototyping
Lattice Structures Coating Concept for Efficient Thermal Linking Beds
Conventional air revitalization technology for removal of CO2, moisture, and trace organic contaminants usually involves a packed bed of sorbent pellets that can be regenerated using a concept similar to that of pressure swing adsorption (PSA). Additional heat input for thermal...
Briefs: Manufacturing & Prototyping
A Statistically Based Approach to Broadband Liner Design and Assessment
The broadband component of fan noise has grown in relevance with the utilization of increased bypass ratio and advanced fan designs. Thus, while the attenuation of fan tones remains paramount, the ability to simultaneously reduce broadband fan noise levels has become more...
Briefs: Manufacturing & Prototyping
Connection and Repair Techniques for Capillary Tubing in Restrictive Areas and Gas Chromatography Applications
Capillary columns offer challenges in gas chromatography (GC) work due to their small size and fragile nature. Typical repair techniques to join two capillary columns require cumbersome metal fittings. This solution is not applicable in...
Briefs: Robotics, Automation & Control
Self-Latching Piezocomposite Actuator
NASA’s Langley Research Center has developed a self-latching piezocomposite actuator. The self-latching nature of this invention allows for piezo actuators that do not require constant power draw. Among other applications, the invention is well suited for use in aerodynamic control surfaces and engine inlets....
Briefs: Mechanical & Fluid Systems
To train astronauts to live and work in the weightless environment on the International Space Station, NASA employs a number of techniques and facilities that simulate microgravity. Engineers at the...
Feature Image
Briefs: Mechanical & Fluid Systems
NASA Marshall Space Flight Center’s Fluid Structure Coupling (FSC) technology is a highly efficient and passive method to control the way fluids and structures communicate and dictate the behavior of a system. This...
Feature Image
Briefs: Mechanical & Fluid Systems
Variable-Aperture Reciprocating Reed Valve
NASA’s Marshall Space Flight Center engineers have developed a new reed valve for controlling fluid flow back and forth between two chambers. The VARR valve provides two-way flow that is proportional to flow demand. As the pressure gradient builds on one side, the reed valve responds by opening an amount...
Briefs: Mechanical & Fluid Systems
Passive, Integrated, Sublimator-Driven Coldplate
Spacecraft thermal control systems typically perform three key functions — heat acquisition, heat transport, and heat rejection — in addition to those of insulation, heat generation, and heat storage. In a typical pumped fluid-loop spacecraft thermal control system, heat is acquired from...

Videos