Patent • #US10138855B2. Various technologies presented herein relate to enhancing mixing inside a combustion chamber to form one or more locally premixed mixtures comprising fuel and charge-gas to enable minimal, or no, generation of soot and/or other undesired emissions during ignition and subsequent combustion of the locally premixed mixtures. To enable sufficient...
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Ductile coatings on additive manufactured components
Patent • #US11377750B1. A method of forming a coated component using an additive manufacturing system including building a body portion of the component on a build plate. An outer surface of the body portion can include an indentation resulting from the additive manufacturing system. The method further includes performing at least one...
Dynamic defense and network randomization for computer systems
Patent • #US9985984B1. The various technologies presented herein relate to determining a network attack is taking place, and further to adjust one or more network parameters such that the network becomes dynamically configured. A plurality of machine learning algorithms are configured to recognize an active attack pattern. Notification of the attack can...
Dynamic Mechanical Strain-Induced Temperature Gradient Coating
Featured Opportunity • A non-destructive coating to reduce false positives and enhance observations of dynamic thermal strain in sonic infrared (SIR) inspections Evaluating components for discontinuities without damaging the part or system remains a priority for diverse industries and research fields. Low-cost techniques such as fluorescent penetrant inspection (FPI) are used widely by...
Dynamic mode decomposition systems and methods to detect power quality events
Patent • #US12366598B1. Systems and methods for new systems and methods for detecting power quality disturbances, such as faults. The approach is based on the dynamic mode decomposition (DMD)—a data-driven method to estimate linear dynamics whose eigenvalues and eigenvectors approximate those of the Koopman operator. The approach uses the real part of...
Dynamic signature generation from keystroke dynamics
Patent • #US10693661B1. Described herein are various technologies pertaining to extracting cryptographic keys from user behavioral biometrics, specifically keystroke dynamics. Such cryptographic keys can be used for, among other things, user authentication throughout computer sessions. Keystroke dynamics are timing data indicating when keys were pressed and when they were released.
Dynamic tuning of chemiresistor sensitivity using mechanical strain
Patent • #US8846406B1. The sensitivity of a chemiresistor sensor can be dynamically tuned using mechanical strain. The increase in sensitivity is a smooth, continuous function of the applied strain, and the effect can be reversible. Sensitivity tuning enables the response curve of the sensor to be dynamically optimized for sensing analytes, such...
Dynamic, risk informed decision support systems and methods
Patent • #US10997513B1. The present disclosure is directed to a decision support system or tool based on a Bayesian Network (BN) framework. The diagnostic support tool is created by using advanced Probabilistic Risk Assessment (PRA) method(s) to construct Bayesian Networks (BNs) that form a Bayesian Decision Support Process (BDSP) to provide science-based...
Dynamically reconfigurable photovoltaic system
Patent • #US9531322B2. A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has bus...
DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM
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DYNAMICALLY RECONFIGURABLE PHOTOVOLTAIC SYSTEM
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Dynamically reconfigurable photovoltaic system
Patent • #US9356173B2. A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array has a communications interface and serves to connect or disconnect the sub-array to a programmable power grid. The power grid has bus...
Eddy-current-damped microelectromechanical switch
Patent • #US7633362B1. A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to provide an eddy-current damping of the...
Edge majorana quasiparticles and qubits
Patent • #US11917929B1. Various embodiments described herein provide for a topological quantum computer that uses edge Majorana quasi-particles to form qubits. An inverted Indium Arsenide (InAs) and Gallium Antimonide (GaSb) heterostructure is disclosed that is a quantum spin Hall insulator. A layer of aluminum can be deposited over a nanotube that is...
Edge-based correlation image registration for multispectral imaging
Patent • #US7620269B1. Registration information for images of a common target obtained from a plurality of different spectral bands can be obtained by combining edge detection and phase correlation. The images are edge-filtered, and pairs of the edge-filtered images are then phase correlated to produce phase correlation images. The registration information can...
Efficient generalized boundary detection
Patent • #US11563446B1. Fast, efficient, and robust compression-based methods for detecting boundaries in arbitrary datasets, including sequences (1D datasets), are desired. The methods, each employing three simple algorithms, approximate the information distance between two adjacent sliding windows within a dataset. One of the algorithms calculates an initial ordered list of subsequences; while...
Efficient track-before detect algorithm with minimal prior knowledge
Patent • #US10445862B1. Apparatus, system and method for tracking an image target in a system, wherein a system receives an image comprising a plurality of pixels. The received image is processed via a plurality of different recursive motion model kernels in parallel to provide a plurality of kernel outputs, wherein each of...
Efficient ultrathin all-dielectric nonlinear optical device
Patent • #US11314145B1. An apparatus and method are provided for generating harmonic light from a pump beam that is impinged on a metasurface comprising a plurality of all-dielectric resonator bodies. A multiple quantum well structure formed in each resonator body includes asymmetric coupled quantum wells having intersubband transition frequencies that couple to...
Electrical Cable Testing by Pulse-Arrested Spark Discharge (PASD)
Featured Opportunity • Sandia has developed an advanced electrical wiring diagnostic capable of detecting insulation defects in complex wiring systems. The portable diagnostic system detects and accurately locates hard to find insulation defects such as breached insulation, chaffing, and insulation cracks. PASD could greatly reduce the time required to track down wiring defects,...
Electrically tunable infrared metamaterial devices
Patent • #US9086510B1. A wavelength-tunable, depletion-type infrared metamaterial optical device is provided. The device includes a thin, highly doped epilayer whose electrical permittivity can become negative at some infrared wavelengths. This highly-doped buried layer optically couples with a metamaterial layer. Changes in the transmission spectrum of the device can be induced via...
Electro 3D: Electrochemical 3D Printing
Featured Opportunity • A new method of additive manufacturing that leverages fluidics and electrochemistry to rapidly produce high-quality parts with engineering materials. Existing methods of metal 3D printing are ineffective in creating micro-resolution parts of high-quality metals at room temperature and pressure without the need for postprocessing or electrochemical baths. Market Needs Additive...
Electro-Optical Sensor (EOS) for High Energy Environments and Applications
Featured Opportunity • Transforming high-voltage measurement: the electro-optical sensor (EOS) for safer and more accurate monitoring solutions in high-energy environments today and beyond Business Problem Accurate measurement of extremely high voltages of up to 20 million volts presents significant challenges for industries that rely on high-energy environments. Traditional measurement methods often require physical...
Electro-optical sensor for high intensity electric field measurement
Patent • #US12111342B2. The present invention is directed to an electro-optical sensor for high intensity electric field measurement. The electro-optical sensor was used to measure a strong 118 MV/m narrow pulse width (˜33 ns) electric field in the magnetically insulated transmission line (MITL) of a pulsed power accelerator. Accurately measuring these high...
Electroabsorption optical modulator
Patent • #US9823497B1. An electroabsorption modulator incorporates waveguiding regions along the length of the modulator that include quantum wells where at least two of the regions have quantum wells with different bandgaps. In one embodiment of the invention, the regions are arranged such that the quantum wells have bandgaps with decreasing bandgap...
Electrocatalytic devices using MOx/ICP composite thin films and methods of making the same
Patent • #US12531169B1. The present disclosure is directed to electrocatalytic devices having an electrodeposited MOx/ICP composite thin films for performing oxygen reduction reactions.
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