Search Results - Electrical

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High Efficency Wearable Thermoelectric Cooler
 
Published: 4/18/2019   |   Inventor(s): Ravi Kishore, Shashank Priya, Amin Nozariasbmarz, Bed Poudel
Keywords(s):  
Category(s): Electrical
Power (Adjustment) Control Method for Induction Apparatus
The invention is a power control method for a power converter that ensures high-side switching devices operating under zero-voltage turn-on condition while low-side switching devices operating under zero-voltage turn-on and zero-voltage turn-off condition. It achieves very high efficiency operation for a wide load range without having to shift the ...
Published: 11/3/2017   |   Inventor(s): Jong-Woo Kim, Jih-Sheng (Jason) Lai, Moonhyun Lee
Keywords(s):  
Category(s): Electrical, Engineering
Identification, Modeling, and Filtering of the Quantization Error in Encoder Equivalent Output
Encoder equivalent output is widely used in modern industrial drives equipped with tools for improving the encoder resolution. A standard application for this output is electronic gearing for controlling slave amplifiers via the encoder equivalent output of a master drive. If left uncorrected, this noise would report unreal noise to the user, or le...
Published: 10/3/2017   |   Inventor(s): Milad Hosseinipour, Mehdi Ahmadian
Keywords(s):  
Category(s): Electrical, Engineering
60 GHz Wireless Link and Sensor for Location, Estimation and Movement Tracking
Using signal characteristics of the IEEE 802.11ad standard to obtain very precise estimates of user location, orientation and movement in addition with very high throughput. While wireless sensing is not a new idea, the proposed improvement are novel and substantial.
Published: 7/10/2017   |   Inventor(s): Jeffrey Reed, Tarun Cousik
Keywords(s):  
Category(s): Communication, Electrical
Plasmonic Nanoparticle Layers With Controlled Orientation
Such materials have extraordinary optical and plasmonic properties that can find broad applications in light management and light-activated sensing, mechanical, electronic application. Examples include windows for energy-efficient buildings which control light transmission, electronic devices that utilize the hot electrons generated by plasmonic na...
Published: 6/13/2017   |   Inventor(s): Guoliang Liu, Assad Khan
Keywords(s):  
Category(s): Materials, Electrical, Energy, Engineering, Consumer Products, Computer Hardware, Process/Procedures
Novel Multilevel Converter for Variable Speed Medium Voltage Switched Reluctance Motor Drives
A novel multilevel converter for switched reluctance motor (SRM) drives that is scalable to high voltage and power is proposed. The proposed converter is called the chopper cell (CCC) converter. The converter is naturally capable of variable speed, four-quadrant operation. The CCC converter has a modular construction and offers high reliability; it...
Published: 5/17/2017   |   Inventor(s): Ahmed Shehada
Keywords(s):  
Category(s): Electrical
Embedded Screen for Containing Common-Mode Current within a Power Module
The invention contains common-made currents within the power semiconductor module instead of allowing them to flow into the ground loop through parasitic impedances in the system.
Published: 4/24/2017   |   Inventor(s): Christina Dimarino, Rolando Burgos, Dushan Boroyevich, Mark Johnson
Keywords(s):  
Category(s): Electrical
Aerosolized MagnetoElectric Mechanical Antenna (AMEMA)
Aerosolized MagnetoElectric Mechanical Antenna (AMEMA) is a radical concept for reducing the size of VLF transmitter by five orders of magnitude - without bulk motion. By leveraging the breakthrough's made at Virginia Tech in developing mathematical models for time-variant system, non-resonant radiating structures and tuning electronics, and combin...
Published: 3/30/2017   |   Inventor(s): Khai Ngo, Shashank Priya
Keywords(s):  
Category(s): Electrical, Engineering
Composition, Structure, and Method for Fabrication of Tunable Inductors with Large Tunability
Tunability of conventional inductors is achieved either by mechanically tuning through bias magnet(s) or by adjusting the electric current in solenoids/electromagnets. These devices are typically bulky, slow, noisy, and inefficient. Various efforts have been devoted towards developing voltage tunable inductors that have large tunability and low ene...
Published: 3/30/2017   |   Inventor(s): Yongke Yan, Shashank Priya
Keywords(s):  
Category(s): Electrical, Materials, Energy
Semi-Autonomous Victim Extraction Robot (SAVER)
SAVER is a semi-autonomous mobile robotic platform intended to be utilized as a collaborative robotic rescuer in combat situations, disaster response, and other scenarios in which the environment endangers human rescue personnel or where the first responders are limited in number. Because sending human rescue personnel into such hostile environment...
Published: 3/29/2017   |   Inventor(s): Pinhas Ben-Tzvi, Bijo Sebastian, Adam Williams, Anil Kumar, Wael Saab
Keywords(s):  
Category(s): Engineering, Electrical
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