Sentences with phrase «of electrical sensors»

In the early 2000s, wind engineers had begun to see the disadvantages of electrical sensors in monitoring the health of turbine blades and were experimenting with optical sensors because of their sensitivity to temperature and strain.
Some people with rare brain diseases, however, already have a grid of electrical sensors implanted below their skulls, on their brains» surface.

Not exact matches

The $ 299 device measures brain electrical activity via 16 scalp sensors, which the company claims allow recognition of basic emotions and up to 30 specific thoughts, such as «lift this object,» «fire death ray,» or «fly forward.»
General material handling knowledge particularly with conveyors, compressed air systems, photo sensors, electrical wiring knowledge, familiarity with motors and maintenance of label printers, belt alignment on conveyors, roller and pulley replacements and other general conveyor maintenance.
Using an electroencephalogram (EEG) to detect electrical activity in the brain, Emmanuelle Tognoli, Ph.D., co-principal investigator, associate research professor in FAU's Center for Complex Systems and Brain Sciences in the Charles E. Schmidt College of Science, and an expert in electrophysiology and neural, behavioral, and cognitive sciences, will examine how the tactile information from the robotic sensors is passed onto the brain to distinguish scenarios with successful or unsuccessful functional restoration of the sense of touch.
The new device would use the same type of sensor, but the signal it generates would travel to a microchip implanted in the ear, which would convert it to an electrical signal and pass it on to an electrode in the cochlea.
The cable, which contains the linearly arranged sensors, has a diameter comparable to a standard electrical cable and enables the remote monitoring of miles of perimeter fencing.
Professor Paul Mitcheson, from the Department of Electrical and Electronic Engineering at Imperial College London, explains: «Imagine using a drone to wirelessly transmit power to sensors on things such as bridges to monitor their structural integrity.
It offers new ways to miniaturize mechanical oscillators, improve communication systems that depend on the modulation of light, dramatically amplify extremely weak mechanical and electrical signals and create exquisitely sensitive sensors for the tiny motions of nanoparticles.
Now, an optical whispering gallery mode resonator developed by Penn State electrical engineers can spin light around the circumference of a tiny sphere millions of times, creating an ultrasensitive microchip - based sensor for multiple applications.
For example, University of Maryland electrical engineering researcher Mehdi Kalantari is designing a wireless early warning system made up of tiny sensors that can monitor a bridge's structural integrity and transmit that data to a central computer for analysis.
Semiconductor gas sensors detect gas through reduced electrical resistance due to gas molecules attached to the surface of crystalline semiconductor materials.
«The sensors are everywhere now, including in smart phones and other portable electronic devices,» said Alexander Balandin, UC Presidential Chair and professor of electrical and computer engineering at UC Riverside, who is the lead researcher on the project.
«In fact,» Prof. Lugli explains, «the electrical resistivity of such films can be modulated by either an applied voltage (to provide a transistor action) or by the adsorption of gas molecules, which in turn is a signature of the gas concentration for sensor applications.»
Layne Berge, a graduate student in Electrical and Computer Engineering at NDSU, is presenting a paper titled «A UHF RFID Antenna for a Wireless Sensor Platform with a Near - Isotropic Radiation Pattern,» as part of the IEEE conference.
Alternatively, for a sensor or solar cell, some fraction of light will never make it to the detector to be collected and turned into an electrical signal.
As a read head moves above bits of magnetic data, changes in the magnetic orientation of those bits alter the electrical resistance of electrons flowing through the sensor, translating the magnetic data into a stream of electrical pulses.
Sensors made with atomically thin layers of MoS2 revealed better selectivity to certain gases owing to the electron energy band gap in this material, which resulted in strong suppression of electrical current upon exposure to some of the gases.
Conventionally such chemical sensors use only the change in the electrical current through the device or a change in the resistance of the device active channel.
Sitting at his computer in shorts and flip - flops, Raichlen pulled up Jeff's data: a rainbow - colored series of 16 synchronized electrical recordings from all the sensors.
Electrical sensors measure both the angle and the force applied by the user on the ankle, and a computer modifies the strength of the magnetic field accordingly.
The xenon's job is to light up, with a jolt of electrical charge and a faint flash of light caught by surrounding sensors, when a dark - matter particle collides with one of its atoms — and the gallons of water and mile of rock's job is to stop anything else from getting in and disturbing it.
However, because the light coming into the sensor has to pass through several layers of metal before reaching the silicon, which is a weak light absorber, the sensor detects only about 25 percent of the light that makes up the image, says Sargent, who is also a professor of electrical and computer engineering and Canada research chair in Nanotechnology at the University of Toronto.
The microclimate has been recorded with various wireless monitoring systems, including the use of balloons to elevate the sensors, together with infrared thermography, hygrometry and electrical resistivity devices to measure the two critical parameters for conservation: temperature and humidity.
The EPOC detects brain activity noninvasively using electroencephalography (EEG), a measure of brain waves, via external sensors along the scalp that pick up the electrical bustle in various parts of the furrowed surface of the brain's cortex, a region that handles higher order thoughts.
The $ 299 headset's 14 strategically placed head sensors are at the ends of what look like stretched, plastic fingers that detect patterns produced by the brain's electrical activity.
The researchers, led by Xuanhe Zhao, the Noyce Career Development Professor in MIT's Department of Mechanical Engineering, and Timothy Lu, associate professor of biological engineering and of electrical engineering and computer science, say that their technique can be used to fabricate «active» materials for wearable sensors and interactive displays.
Nicholas Steinmetz and colleagues found that some mice expressing the genetically - encoded calcium sensor GCaMP6 display brief bursts of electrical activity, commonly observed in epileptic patients and animal models.
Another set of sensors measure electrical conductivity, which Burger says can be used as a proxy for measuring nitrate.
Many of today's homes in the developed world already include a lot of the sensors and networking devices needed to make the smart home a reality, wrote Diane Cook, a professor in Washington State University's School of Electrical Engineering and Computer Science, in the March 30 issue of the journal Science.
«Everyone's finger bone structure is unique, and their fingers apply different pressures on surfaces, so sensors that detect subtle physiological and behavioral differences can identify and authenticate a person,» said Yingying (Jennifer) Chen, a professor in the Department of Electrical and Computer Engineering at Rutgers University - New Brunswick.
While Juno is replete with special radiation - hardened electrical wiring and shielding surrounding its myriad of sensors, the highest profile piece of armor Juno carries is a first - of - its - kind titanium vault, which contains the spacecraft's flight computer and the electronic hearts of many of its science instruments.
«Human sweat contains physiologically rich information, thus making it an attractive body fluid for non-invasive wearable sensors,» said study principal investigator Ali Javey, a UC Berkeley professor of electrical engineering and computer sciences.
«What we did in this paper is engineer our sensor to be about 15 times better than a previous version, and then compared it against a blood biomarker in a mouse model of ovarian cancer to show that we could beat it,» says Sangeeta Bhatia, the John and Dorothy Wilson Professor of Health Sciences and Technology and Electrical Engineering and Computer Science, a member of MIT's Koch Institute for Integrative Cancer Research and Institute for Medical Engineering and Science, and the senior author of the study.
Last year, a research effort led by McAlpine and Naveen Verma, an assistant professor of electrical engineering, and Fio Omenetto of Tufts University, resulted in the development of a «tattoo» made up of a biological sensor and antenna that can be affixed to the surface of a tooth.
Howard Dorey, a professor of electrical engineering at Imperial College, London, says Britain can now make good prototypes of devices such as chemical and pressure sensors.
First they practised activating the muscle using an armband of sensors that picked up on the electrical activity.
Inside the hat, an array of up to 128 EEG sensors record electrical activity leaking from the wearer's brain through their scalp.
Their work has implications for the development of novel electronic devices, such as photo sensors that convert light into electrical energy.
Electrical engineers at the University of California San Diego have developed a temperature sensor that runs on only 113 picowatts of power — 628 times lower power than the state of the art and about 10 billion times smaller than a watt.
Ashikaga and his team used a basket - shaped catheter with 64 electrode sensors to measure the heart's electrical communication just before and right after the procedure, and again at six months in 22 patients with an average age of about 64 years treated at the Johns Hopkins Hospital.
«The equipment currently used to measure electric field strength has some significant downsides,» explains Andreas Kainz from the Institute of Sensor and Actuator Systems (Faculty of Electrical Engineering, TU Wien).
In the same Cambridge laboratory in the United Kingdom where the British physicist J.J. Thomson discovered the electron in 1897, European scientists have just developed a new ultra-sensitive electrical - charge sensor capable of detecting the movement of individual electrons.
Using a tiny sensor implanted in the dACCs of the monkeys, Platt's group was able to measure the electrical activity of single neurons.
Plant - based sensors that measure the thickness and electrical capacitance of leaves show great promise for telling farmers when to activate their irrigation systems, preventing both water waste and parched plants, according to researchers in Penn State's College of Agricultural Sciences.
Monkeys typically find other monkeys impossible to ignore, and this experiment was no exception: the monkeys often failed at the reward task because they looked at the faces, especially if the faces depicted emotion.When humans are torn between paying attention to two different things, it triggers a «conflict» circuit in a brain region called the dorsal anterior cingulate cortex (dACC) which is part of a larger brain structure controlling rational thought and emotions.Using a tiny sensor implanted in the dACCs of the monkeys, Platt's group was able to measure the electrical activity of single neurons.
The implant eavesdropped on his brain activity and, together with sensors taped to the shoulder and above the eyebrow reading the electrical activity of muscle contractions, allowed him to slowly spell out words with the power of thought.
sensors of nerve cell electrical or chemical activity, either biologically or nano - material based
Graphene's mechanical stability, high electrical conductivity, and compatibility with a diverse array of carbonaceous functionalization chemistries makes it an alluring host system for novel gas sensors.
While spending their summer immersed in the field of electrical engineering, Pang and Pike collaborated on the design of two curriculum units focused on circuits, sensors and sensory substitution devices.
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