Mechanical & Fluid Systems

MEMs

Access the latest news and technical briefs covering micro-electro-mechanical systems (MEMs) technologies and applications.

Stories

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Briefs: Mechanical & Fluid Systems
Objects in our daily lives, such as speakers, refrigerators, and even cars, are becoming “smarter” day by day as they connect to the Internet and exchange data, creating the Internet of Things (IoT)....
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Briefs: Aerospace
It's hard to get an X-ray image of low-density material like tissue between bones because X-rays just pass right through like sunlight through a window. Sandia studies myriads of low-density materials, from...
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Briefs: Test & Measurement
MEMS Switch Extends Life of Cellphones
A new type of microelectromechanical system (MEMS) was developed that uses electrostatic levitation to provide a more robust system. All cellphones use MEMS switches for wireless communication, but traditionally there are just two electrodes. The switches open and close numerous times during just one hour, but...
Briefs: Materials
A customizable nanomaterial was developed that combines metallic strength with a foam-like ability to compress and spring back. The material can store and release mechanical energy on the nanoscale, and fits...
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Briefs: Medical
Computer-Controlled Exercise Equipment
While a wide variety of computer-controlled exercise machines for training and rehabilitation exist — some of which can be automatically adjusted to vary resistance or incline — such systems provide for preprogrammed changes in load or resistance. What is needed is a system that overcomes the limitations...
Question of the Week: Mechanical & Fluid Systems
Would You Use Wearables to Monitor Your UV Exposure?
Our February issue of Tech Briefs highlights a technology called My Skin Track UV. The 12 x 6 mm wearable sensor can be attached to clothing or accessories to detect sunburn and overexposure to ultraviolet light.
Blog: Motion Control
Even a shape-morphing plane is possible, says Harvard's Ehsan Hajiesmaili.
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Products: Electronics & Computers
Motor Control Integrated Circuit Microsemi Corp., a wholly owned subsidiary of Microchip Technology (Aliso Viejo, CA), announced the LX7720 radiation-tolerant motor control integrated circuit that works with a field programmable...
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Briefs: Energy
Existing nanosensor technologies depend on an external power source (typically a battery) to operate. Chemical and biological sensors based on nanowire or nanotube technologies exhibit...
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Briefs: Electronics & Computers
Plasma Generator Using Spiral Conductors
NASA's Langley Research Center has developed a patented SansEC sensor technology for use in many different areas, including tall structures and wind turbines. The SansEC technology is a proven wireless sensing platform capable of measuring the electrical impedance of physical matter in proximity to the...
Briefs: Software
A novel foot-pedal-operated system and device were developed to control translational and rotational movement of an object in three-dimensional (3D) space. The Foot Pedal Controller system enables operators to control...
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Articles: Manufacturing & Prototyping
Integrating lead screws with stepper motors is a simple and cost-effective method for getting precise linear motion. But achieving that precision requires anti-rotational...
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Blog: Mechanical & Fluid Systems
Professor Jordan Raney spoke with Tech Briefs about what’s possible when you can embody 3D-printed objects with logic.
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Blog: Sensors/Data Acquisition
Professor Sherry Towfighian spoke with Tech Briefs about how a new MEMS design will improve our cell phones and power lines.
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Articles: Photonics/Optics
Ultrashort pulse (USP) lasers for precision micromachining can minimize or avoid undesirable thermal effects that limit feature resolution, edge quality and, ultimately, product functionality. This is because...
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Products: Electronics & Computers
Laptop Computers Eurocom, Nepean, ON, Canada offers Sky “C” Series laptop computers based on the Z370 Intel chipset and using CPU-upgrade-able, LGA1151 socket-based processors. They support up to 128 GB of...
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Briefs: Sensors/Data Acquisition
Researchers have developed a new ultrasound transducer that could dramatically lower the cost of ultrasound scanners to as little as $100. Conventional ultrasound scanners use piezoelectric crystals to...
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Briefs: Aerospace
NASA's Glenn Research Center developed a novel means of articulating the outboard portion of an aircraft wing to create the optimal geometry for given flight conditions. The Spanwise Adaptive Wing (SAW) concept employs a...
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Briefs: Medical
Researchers have developed a customizable soft robot that fits around a heart and helps it beat, potentially opening new treatment options for people suffering from heart failure.
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Products: Test & Measurement
Motor/Drive/Controller Advanced Micro Controls (Terryville, CT) offers a size 17 PLC-based SMD Series integrated stepper motor/drive/controller system. The integrated solutions are suited for new machinery, retrofits, and rapid...
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Articles: Mechanical & Fluid Systems
As Industry 4.0 initiatives bring more and more industrial axes of motion into the realm of automation, the need for cost-effective control across them grows as well. Advances in robotics,...
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Articles: Electronics & Computers
With the computational power and software available today, numerical simulation is a real option to quickly get answers to complicated technical, scientific, and engineering questions. Not only has the hardware doubled...
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Briefs: Mechanical & Fluid Systems
Shape Memory Alloy Rock Splitters (SMARS)
Glenn's revolutionary Shape Memory Alloy Rock Splitters (SMARS) device is fabricated from nickel-titanium-halfnium (NiTiHf), nickel-titanium-zirconium compositions, or a combination. These compositions contain a secondary, nanometer-sized precipitate phase that is produced through processes of compositional...
Briefs: Photonics/Optics
NASA Langley Research Center has developed a novel optical grating device that dynamically modulates light and is capable of controlling the spectral properties and propagation of light...
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Briefs: Mechanical & Fluid Systems
The Inductive Non-Contact Position Sensor is a highly accurate sensor for motion control applications. The sensor was designed to monitor the precise movements of an optical inspection system that measured...
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Briefs: Photonics/Optics
Gyroscopes are devices that help vehicles, drones, and wearable and handheld electronic devices know their orientation in three-dimensional space. Originally, gyroscopes were sets of nested wheels, each spinning on a...
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5 Ws: Sensors/Data Acquisition
Who Manufacturers and users of wearables, functional fabrics, mobile devices, wireless routers, and Internet of Things devices.
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Briefs: Transportation
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.
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Articles: Electronics & Computers
Internet of Things (IoT) applications — whether for city infrastructures, factories, or wearable devices — use large arrays of sensors collecting data for transmission over the Internet to a central,...
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