Aerospace

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INSIDER: Energy
New Materials Enable Flapping Robotic Wings
Dielectric elastomers, popular materials in robotic hands, soft robots, tunable lenses, and pneumatic valves, may now be used to create flapping robotic wings.
Briefs: Aerospace
Ad Hoc Adaptive Pitch Axis Pilot Model
Flight research has shown that adaptive flight control systems can be susceptible to adverse pilot-controller interactions, including pilot-in-the-loop oscillations (PIO). Conventional PIO analysis is performed using a static pilot model and a linear, time-invariant model of the aircraft and its control...
Briefs: Aerospace
Development of a Turnkey Clear Air Turbulence Detection System
Currently, the only available means of reporting clear air turbulence (CAT) is the pilot report (PIREP), whereby a pilot experiencing turbulence reports their location and associated data. In this report, a system is proposed that would allow the detection of CAT through infrasonic...
Articles: Sensors/Data Acquisition
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,...
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Articles: Imaging
Visual Flight Rules (VFR) define a minimum of clear weather conditions under which a pilot can operate an aircraft using visual cues, such as the horizon and buildings. Under VFR, a...
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Articles: Aerospace
Streamlined aircraft bodies, quieter jet engines, techniques for preventing icing, drag-reducing winglets, lightweight composite structures, and so much more are an everyday part of flying...
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Articles: Aerospace
“Be patient, if you want to see the concrete benefits of space research. I am confident that the benefits are there. We at NASA have been given a big job— planning and executing the nation’s civilian space...
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Articles: Aerospace
At the annual meeting of the Society of Automotive Engineers (SAE) in Detroit on January 14, 1959, NASA’s first Administrator, Dr. T. Keith Glennan, said: “I can imagine a remote future when...
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Briefs: Information Technology
Modeling for Partitioned and Multicore Flight Software Systems
The current flight software approach is monolithic in nature. Every module has tentacles that reach deep within dozens of other software modules. Because of these interdependencies between modules, functionality is difficult to extract and reuse for other missions.
Briefs: Motion Control
Experimental Testbed for 1-MW Turboelectric Distributed Propulsion Aircraft
Researchers at NASA’s Armstrong Flight Research Center are developing a concept aircraft for testing turbo-electric distributed propulsion (TeDP) experiments. TeDP generally involves providing thrust to an aircraft via wing-mounted ducted electric fans, which consist of...
Briefs: Software
Habitat Demonstration Unit Core Avionics Software
The Habitat Demonstration Unit Core Avionics Software (HDU-CAS) is designed to provide the required functionality for an engineering prototype of a highly autonomous space habitat element, and to provide an opportunity for new software technologies to be tested in an environment that provides that...
Briefs: Aerospace
Mars Science Laboratory Second-Chance Flight Software
Mars lander spacecraft, beginning with Mars Pathfinder (MPF), have been designed to tolerate flight computer resets during the entry, descent, and landing (EDL) phase despite having only a single flight computer. This capability was enabled by a predictable, non-dynamic EDL architecture. The...
Briefs: Electronics & Computers
Web-Enabled and Automatic Ground Processing Infrastructure Servicing the UAVSAR Airborne Missions
The UAVSAR (Uninhabited Aerial Vehicle Synthetic Aperture Radar) ground data processing infrastructure facilitates a wide range of mission operational processes through a centralized database, Web-enabled interfaces, and background automation. By...
Briefs: Aerospace
Variable-Sweep-Wing Aircraft Configuration
Efficient aircraft designs are increasingly desired in order to support the continued growth of the air transportation industry. Continued expansion of this vital mode of transportation is threatened due to concerns over ever-increasing emissions, noise, and the demand for fuel. Current airport runway,...
Briefs: Aerospace
Automated Table Lookup Solution Algorithm of the Optimal Powered Descent Guidance for Planetary Landing
A novel automated table lookup method is developed to compute the near-fuel-optimal powered descent guidance trajectories, in real-time, for planetary soft landing. The main advantage of this algorithm is that it can be executed autonomously in...
Briefs: Imaging
The Integrated Intelligent Flight Deck (IIFD) project, part of NASA’s Aviation Safety Program (AvSP), comprises a multi-disciplinary research effort to develop flight...
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Briefs: Aerospace
Computation of Wing Deflection and Slope from Measured Strain
A lightweight, robust fiber-optic system is the technology behind a new method to compute wing deflection and slope from measured strain of an aircraft. This state-of-the-art sensor system is small, easy to install, and fast, and offers the first-ever means of obtaining real-time strain...
News: Manufacturing & Prototyping
Engineers Harvest and Print Parts for New Breed of Aircraft
Student interns and engineers at NASA's Ames Research Center rapidly prototyped and redesigned aircraft using 3D-printed parts. The aircraft was custom-built by repurposing surplus Unmanned Aerial Vehicles (UAVs). By lengthening the wings, the team was able to improve aerodynamic...
INSIDER: Manufacturing & Prototyping
Because of the difficulty of monitoring turbine engines in operation, most manufacturers test turbine blades either after flight or rely on simulated tests to give them the...
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News: Aerospace
Engineers are preparing to test parts of NASA's Space Launch System (SLS) rocket that will send humans to space. They installed an RS-25 engine on the A-1 Test Stand at Stennis Space Center....
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News: Mechanical & Fluid Systems
NASA Armstrong Flight Research Center’s Flight Loads Laboratory completed structural evaluations on a modified Gulfstream G-III aircraft that will serve as a test bed for the Adaptive...
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News: RF & Microwave Electronics
Astronauts to Test Free-Flying Robotic 'Smart SPHERES'
Three bowling ball-size free-flying Synchronized Position Hold, Engage, Reorient, Experimental Satellites (SPHERES) have been flying inside the International Space Station since 2006. These satellites provide a test bed for development and research, each having its own power, propulsion,...
INSIDER: Aerospace
NASA completed a near-space test flight of NASA's Low-Density Supersonic Decelerator (LDSD), developed to evaluate new landing technologies for future Mars missions....
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News: Test & Measurement
NASA’s High-Flying Laser Altimeter Measures Summer Sea Ice
When NASA launches the Ice, Cloud and land Elevation Satellite-2, or ICESat-2, in 2017, it will measure Earth’s elevation by sending out pulses of green laser light and timing how long it takes individual photons to bounce off Earth’s surface and return. The number and patterns of...
News: Manufacturing & Prototyping
Engineers Use Resin Inks, 3D Printing to Build Lightweight Cellular Composites
Like other manufactured products that use sandwich panel construction to achieve a combination of light weight and strength, turbine blades contain carefully arrayed strips of balsa wood from Ecuador, which provides 95 percent of the world’s supply.As turbine makers...
News: Lighting
New Drones Ensure Ideal Photographic Lighting Positions
Researchers at MIT and Cornell University will provide photographers with squadrons of small, light-equipped autonomous robots that automatically assume the right positions for photographic lighting. With the new system, the photographer indicates the direction from which the rim light should...
News: Aerospace
Aircraft Wings Change Shape in Flight
The EU project SARISTU (Smart Intelligent Aircraft Structures) aims to reduce kerosene consumption by six percent, and integrating flexible landing devices into aircraft wings is one step towards that target.
INSIDER: RF & Microwave Electronics
Scientists studying the behavior of the world's ice sheets — and the future implications of ice sheet behavior for global sealevel rise — may soon have a new airborne tool that...
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News: Materials
3D-Printing Aerial Robot Mimics Tiny Bird
Scientists from Imperial College London have developed a 3D-printing Micro Aerial Vehicle (MAV) that mimics the way that swiftlets build their nests.The MAV is a quad-copter, with four blades that enable it to fly and hover. The vehicle, made from off-the-shelf components, carries in its underbelly two...

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