Mechanical & Fluid Systems

Access our comprehensive library of technical briefs on mechanical and fluid systems, from engineering experts at NASA and government, university, and commercial laboratories.

Briefs: Mechanical & Fluid Systems
Lateral Kevlar Suspension Device (LKSD)

The Lateral Kevlar Suspension Device (LKSD) is made up of a support ring that has three spring-loaded tension assemblies equally spaced around the support ring. Connected to these tension assemblies is a band that supports a separate ring capable of holding a cylindrical shaped load.

Briefs: Motion Control

A set of five tiny fundamental parts can be assembled into a wide variety of functional devices including a tiny “walking” motor that can move back and forth across a surface or...

Briefs: Robotics, Automation & Control

Between walking and running, human gaits can cover a wide range of speeds; for example, at low speeds, the metabolic rate of walking is lower than that of running in a slow jog....

News: Sensors/Data Acquisition
Lightweight Sensing and Control System for Unmanned Aerial Vehicle Monitoring

A new sensing and control system for unmanned aerial vehicles (UAVs) allows for semi-autonomous flight. Pilots need not leave the ground to conduct routine monitoring and surveillance quickly and cost-effectively. Such systems are particularly useful during long flight...

Briefs: Energy

A new device, inspired by a rose, inexpensively collects and purifies water. The device is a new approach to solar steaming for water production — a technique that uses energy from sunlight...

Briefs: Aerospace

A radically new kind of airplane wing, assembled from hundreds of tiny identical pieces, can change shape to control the plane’s flight, and could provide a significant boost in...

Briefs: Mechanical & Fluid Systems

Researchers have 3D-printed an all-liquid device that, with the click of a button, can be repeatedly reconfigured on demand to serve a wide range of applications from making battery materials to screening drug...

Briefs: Electronics & Computers

For decades, microchip transistors have become smaller, faster, and cheaper; however, miniaturization has reached a natural limit, as completely new problems arise when a length scale of only a...

Briefs: Mechanical & Fluid Systems

NASA’s Langley Research Center developed an inexpensive, long-endurance, vertical takeoff and landing (VTOL) unmanned aerial vehicle (UAV). It is capable of flying for 24 hours, landing in a 50 × 50...

Briefs: Motion Control
Neural Lander Uses AI to Land Drones Smoothly

Landing multi-rotor drones smoothly is difficult. Complex turbulence is created by the airflow from each rotor bouncing off the ground during a descent. This turbulence is not well understood nor is it easy to compensate for, particularly for autonomous drones. That is why takeoff and landing are...

Briefs: Aerospace

A high-sensitivity and low-noise MEMS accelerometer was developed using multi-layer metal structures composed of multiple metal layers. The accelerometer achieves 1 μG level resolution that has...

Briefs: Mechanical & Fluid Systems

Soft robots have a distinct advantage over rigid robots: they can adapt to complex environments, handle fragile objects, and interact safely with humans. Made from silicone, rubber, or other stretchable polymers,...

Briefs: Mechanical & Fluid Systems

An automated system designs and 3D-prints complex robotic parts that are optimized according to an enormous number of specifications. The system fabricates actuators — devices that mechanically...

Briefs: Imaging

Supersonic flight over land is generally prohibited because sonic booms created by shockwaves disturb people on the ground and can damage property. Armstrong innovators are working to...

Briefs: Materials

3D printers that build small parts layer by layer from melted plastic can take up to an hour to produce a pocket-sized piece. This process is far too slow for the mass-production of...

Briefs: Robotics, Automation & Control

A smartphone app was developed that allows a user to easily program any robot to perform a mundane activity such as picking up parts from one area and delivering them to another. The app, called VRa, uses...

Briefs: Photonics/Optics

At the scale of bridges or buildings, the most important force that engineered structures need to deal with is gravity. But at the scale of microelectro-mechanical systems (MEMS) — devices like...

Briefs: Robotics, Automation & Control

Robotics has traditionally focused on industrial applications in which robots require strength and precision to carry out repetitive tasks. These robots flourish in highly...

Briefs: Materials

Landing is stressful on a rocket’s legs because they must handle the force from the impact with the landing pad. One way to combat this is to build legs out of materials that absorb some of...

Briefs: Mechanical & Fluid Systems

Unlike water, liquid refrigerants and other fluids that have a low surface tension spread quickly into a sheet when they come into contact with a surface. For many industrial...

Briefs: Electronics & Computers

While different approaches have been used to create artificial muscles — including hydraulic systems, servomotors, shape-memory metals, and polymers that respond to stimuli — they all have limitations such...

Briefs: Software
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Briefs: Test & Measurement

A soft and conformable health monitor can broadcast electrocardiogram (ECG), heart rate, respiratory rate, and motion activity data as much as 15 meters to a portable recording...

Briefs: Robotics, Automation & Control

In the future, soft, animal-inspired robots may be safely deployed in difficult-to-access environments in which rigid robots cannot currently be used such as inside the human body or in spaces that are too...

Briefs: Test & Measurement

In order to qualify miniature springs, manufacturers of these systems rely on commercially available testers that are designed for large-scale springs (>0.5" diameter). Commercially available spring...

Briefs: Electronics & Computers
Material for Faster Computer Memory

Scientists are studying bismuth ferrite (BFO) material that has the potential to store information much more efficiently than is currently possible. BFO could also be used in sensors, transducers, and other electronics.

Briefs: Photonics/Optics

Scientists of Karlsruhe Institute of Technology (KIT) and École Poly-technique Fédérale de Lausanne (EPFL) have reported that they achieved the fastest distance measurement attained so...

Briefs: Sensors/Data Acquisition
Suppose you have 10 taxis in Manhattan. What portion of the borough’s streets do they cover in a typical day?
Briefs: Sensors/Data Acquisition

An electrochemical sensing system that significantly improves the ability to rapidly and accurately detect heavy metals in biological and environmental samples was developed. Using a simple blood...

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