Keyword: Marine vehicles and equipment

Application Briefs: Unmanned Systems
KnightShield covers medium ranges in ports and detects hostile divers – whether using closed or open breathing apparatus – as well as AUVs, SDVs, DPVs, and UUVs.
5 Ws: Unmanned Systems
Who

A fully automated net positive submarine fleet, powered entirely on hydrogen, could help cleanse the oceans of toxic pollution. Developed by London-based startup Oceanways, the submarine was named among the...

Briefs: Materials
Decreasing Anode Corrosion in Metal-Air Batteries

Metal-air batteries can be used in a variety of applications ranging from range extenders for electric vehicles to emergency power systems. Metal-sea-water batteries are primarily used for underwater applications ranging from torpedoes to underwater unmanned vehicles. A team of researchers at the...

Briefs: Power

Electrification of the transportation sector is critical to future energy and environmental resilience and will require high-power fuel cells (either standalone or in conjunction with batteries) to...

Briefs: Aerospace
This fuel cell could power a variety of transportation modes such as unmanned underwater vehicles, drones, and eventually electric aircraft.
Application Briefs: Motion Control
A valve actuator has deep-sea applications.
Briefs: Materials
This material could reduce persistent plastic accumulation in the environment.
Articles: Materials
Nanowire masks, underwater imaging, and tiny 3D-printed block that repair bone breaks.
Facility Focus: Unmanned Systems
See how "APL" is developing ways to ensure the safety and performance of autonomous systems.
Briefs: Unmanned Systems
A fleet of “roboats” could transport people, collect trash, and self-assemble into floating structures.
Briefs: Electronics & Computers
This mechanical gyroscope can advance motion sensing capabilities in consumer-sized applications.
Briefs: Robotics, Automation & Control
This microbot can walk on land, swim, and walk underwater.
Briefs: Nanotechnology

By mimicking the outer coating of pearls (nacre or mother of pearl), researchers created a lightweight plastic that is 14 times stronger and eight times lighter (less dense) than steel. It could...

Briefs: RF & Microwave Electronics

To investigate oceans, researchers aim to build a submerged network of interconnected sensors that sends data to the surface. Supplying constant power to scores of sensors designed to stay for long...

Application Briefs: Defense
There is increasing demand in many high-end commercial and industrial markets for precision motion sensing for a diversity of applications.
Briefs: Aerospace
System Enables Direct Data Transmission Between Underwater and Airborne Devices

Today, underwater sensors cannot share data with those on land, as both use different wireless signals that only work in their respective mediums. Radio signals that travel through air die very rapidly in water. Acoustic signals, or sonar, sent by underwater devices...

Briefs: Photonics/Optics

Sponsored by the Office of Naval Research's (ONR) TechSolutions program, the Flashing Light to Text Converter (FLTC) features a camera that can be mounted atop a signal...

Briefs: Robotics, Automation & Control

Researchers have developed a new propulsion concept for swimming robots that exploits temperature fluctuations in the water for propulsion without the need for an engine, propellant, or power supply.

Briefs: Medical

Most naturally occurring materials have a disordered atomic structure that interferes with the propagation of both sound and electromagnetic waves. When the waves come into contact with these...

Briefs: Data Acquisition

The underwater environment may appear to the human eye as a dull-blue, featureless space. However, a vast landscape of polarization patterns appear when viewed through a camera that is...

Briefs: Aerospace

Marine-grade stainless steel is valued for its performance under corrosive environments, and for its high ductility — the ability to bend without breaking under stress. But conventional...

Briefs: Materials

An eel-like robot was developed that can swim silently in salt water without an electric motor. Instead, the robot uses artificial muscles filled with water to propel itself. The...

Briefs: Test & Measurement

Researchers at NASA's Armstrong Flight Research Center (AFRC) have been developing a fiber optic sensing system (FOSS) that represents a major breakthrough in...

Briefs: Medical

A new chip device called Tissue Nano-transfection (TNT) can generate any cell type of interest for treatment within the patient’s own body. This technology may be used to repair injured...

Briefs: Software

Researchers have developed a method to quickly and accurately identify people and cell lines from their DNA. The software could be used to flag mislabeled or contaminated cell lines in cancer...

Briefs: Mechanical & Fluid Systems

Researchers at NASA’s Marshall Space Flight Center have developed new modular fixtures for holding metal in place during the assembly and welding of cylindrical and conical sections...

Briefs: Mechanical & Fluid Systems

Friction Pull Plug Welding (FPPW) is the process necessary to plug the hole that is left behind as a friction stir weld (FSW) joint is completed and the pin tool of the welder retracts from the...

Articles: Robotics, Automation & Control
EJBot: Versatile Climbing Robot for Industrial Vessel Inspection Dr. Mohamed Gouda Alkalla and Mohamed Fanni
Mansoura University
Mansoura, Ad-daqahliyah, Egypt...
Briefs: Software
Development of Automated Structural Health Monitoring for Composite Overwrapped Pressure Vessels

Virtually all NASA spacecraft use composite overwrapped pressure vessels (COPVs) to reduce the weight disadvantage of metal pressure vessels. However, these composite structures are more susceptible to damage than metal PVs, are difficult to inspect,...