Mechanical & Fluid Systems

MEMs

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

Briefs : 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...

Q&A : Sensors/Data Acquisition
Q&A: Wearable Motion Sensors Could Save Unborn Babies
Professor Negar Tavassolian is using vibration sensors to monitor heartbeats.
The characteristics of hybrid drives present a practical solution when a position needs to be detected with high precision

In the digital age, the measurement of rotation of a mechanical shaft on a motor or a rotating instrument knob needs to be done quickly and efficiently....

Briefs : Sensors/Data Acquisition
High-Sensitivity, Low-Noise MEMS Accelerometer

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 : Manufacturing & Prototyping
Automated System Generates Robotic Parts

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 : Test & Measurement
Measuring Stickiness of Microscale Surfaces

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 : Sensors/Data Acquisition
Portable Electrochemical Sensing System

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...

Products : Electronics & Computers
New Products: September 2019 Sensor Technology

People-Counting Sensor

FLIR Systems, Inc. (Wilsonville, OR) announced the latest generation of the FLIR Brickstream 3D Gen 2 people-counting sensor. This new version includes a unique...

Application Briefs : Mechanical & Fluid Systems
All-Silicon MEMS Inertial Sensing at Fiber Optic Gyro Performance Levels
There is increasing demand in many high-end commercial and industrial markets for precision motion sensing for a diversity of applications.
Briefs : Mechanical & Fluid Systems
Taking a City’s Pulse with Moveable Sensors
Suppose you have 10 taxis in Manhattan. What portion of the borough’s streets do they cover in a typical day?

Millions of gallons of crude oil were released into the Gulf of Mexico during the seabed oil drilling catastrophe of 2010. Numerous strategies to stop or stem the oil flow...

Stepper motors and stepper-based linear actuators are often selected for open-loop motion control devices and equipment. These can be found in a wide range of products and...

Briefs : Energy
Cryogenic Hydraulically Actuated Isolation Valve

Researchers at NASA's Marshall Space Flight Center have developed a cryogenic isolation valve that utilizes the upstream line pressure of cryogenic fluids for actuation. Previously, the use of cryogenic fluids for actuation systems had been too difficult to control and resulted in unsafe operating...

Briefs : Mechanical & Fluid Systems
Nitinol-Actuated, Normally Open Valve Assembly (NOVA)

NASA Goddard Space Flight Center has developed the NOVA zero-leak, permanent isolation valve that helps prevent leaks in space propulsion systems with operating pressures less than or equal to 500 psia. The actuator is made from nitinol, a heat-activated, non-explosive, shape memory alloy and...

MIT's new way of automatically creating actuators is a bit like solving a Rubik's Cube.
Articles : Sensors/Data Acquisition
The Sensors Behind the GEN II Wearable Device

The population is aging and more people need healthcare support, which is having a big impact on the overall cost of medical care. As a result, authorities and health insurance companies are...

While robots like the WildCat from Boston Dynamics reach speeds of just under 20 miles an hour, engineers from Georgia Tech have gone with a decidedly slower approach.

Products : Motion Control
New Products: June 2019 Motion Design

Rotary Ball Spline

NB Corporation of America (Hanover Park, IL) released a rotary ball spline that can be used for both rotational and linear motion. Applications include SCARA robots, the...

Briefs : Mechanical & Fluid Systems
Snake-Inspired Robot

Researchers have developed a new and improved snake-inspired soft robot that is faster and more precise than its predecessor.

Articles : Electronics & Computers
Pneumatics for Mechanical Motion

Employing fluid power to achieve mechanical motion can be implemented via hydraulics using uncompressible liquids or via pneumatics using compressible gasses; typically, air. The latter provides several...

Articles : Sensors/Data Acquisition
Sensors Expo Preview 2019

The 2019 Sensors Expo and Conference will be held at the McEnery Convention Center, San Jose, CA from June 25 – 27. Both the expo and conference are excellent opportunities to get a good sense of important sensor trends. Among the wide variety of themes at the conference, some strike me as being very significant for...

Smart agriculture, also known as precision agriculture, allows farmers to maximize yields using minimal resources such as water, fertilizer, and...

Articles : Materials
A Sensor that Fits Like a Glove

We recently had a discussion with Sri Peruvemba, VP of Strategy at BeBop Sensors (Berkeley, CA), about the technology and applications for their two-dimensional fabric sensor material. I started by asking Sri...

Products : Mechanical & Fluid Systems
New Products: June 2019 Sensor Technology

Extreme Environment Displacement Sensors and Systems

The Measuring Division of Kaman Precision Products, Inc (Colorado Springs, CO) announces the availability of its Extreme Environment...

Medical ventilation technology has come far since the original iron lung was first used more than 90 years ago. Using negative pressure to ventilate, the patient was...

Briefs : Mechanical & Fluid Systems
Cryogenic Cam Butterfly Valve

Typical butterfly valves cannot seal at both ambient and cryogenic temperatures. At cryogenic temperatures, valves grow and shrink, changing critical dimensions such as distance between the disc and seat....

Briefs : Electronics & Computers
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Briefs : Mechanical & Fluid Systems
Smart, Soft, Back Orthosis Uses Real-Time Motion Detection

Back pain is inevitable with constrained posture over a number of hours. Permanent damage such as premature spine wear is not uncommon in people who do not adopt proper ergonomic posture. The same applies to those who frequently lift heavy objects.

An ingestible pill was developed that, upon reaching the stomach, quickly swells to the size of a soft, squishy ping-pong ball big enough to stay in the stomach for an...

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