Industrial asset cyber-attack detection algorithm verification using secure, distributed ledger
Granted: April 11, 2023
Patent Number:
11627151
A verification platform may include a data connection to receive a stream of industrial asset cyber-attack detection algorithm data, including a subset of the industrial asset cyber-attack detection algorithm data. The verification platform may store the subset into a data store (the subset of industrial asset cyber-attack detection algorithm data being marked as invalid) and record a hash value associated with a compressed representation of the subset of industrial asset cyber-attack…
Method for controlling negative-sequence current for grid-forming controls of inverter-based resources
Granted: April 11, 2023
Patent Number:
11626736
A method for providing grid-forming control of an inverter-based resource includes receiving a negative-sequence voltage feedback of the inverter-based resource. The method also includes receiving at least one negative-sequence feedback signal of the inverter-based resource. The method also includes determining, via a negative-sequence regulator, one or more control signals indicative of a desired negative-sequence impedance of the inverter-based resource using the at least one…
Fast identification of trustworthy deep neural networks
Granted: April 11, 2023
Patent Number:
11625483
A system and method including receiving a set of deep neural networks (DNN) including DNNs trained with an embedded trojan and DNNs trained without any embedded trojan, each of the trained DNNs being represented by a mathematical formulation learned by the DNNs and expressing a relationship between an input of the DNNs and an output of the DNNs; extracting at least one characteristic feature from the mathematical formulation of each of the trained DNNs; statistically analyzing the at…
Radio frequency head coil for a magnetic resonance imaging system and methods thereof
Granted: April 11, 2023
Patent Number:
11624792
A radio frequency head coil for a magnetic resonance imaging system is provided. The radio frequency head coil includes a body operative to be disposed on a head of a patient, and an extended lip disposed on the body and operative to receive a magnetic resonance signal. At least some of the magnetic resonance signal is emitted by a region of the patient disposed between a brain stem of the patient up to and including a vertebra of the patient.
Turnbuckle link-gage
Granted: April 11, 2023
Patent Number:
11624388
Turnbuckle linkages are disclosed herein. A turnbuckle linkage includes an inside rod including a first opening on a first longitudinal end and a second opening on a second longitudinal end of the inside rod, the first opening and the second opening extending at least partially through the inside rod, the inside rod including tabs extending from the first longitudinal end and the second longitudinal end of the inside rod around the first opening and the second opening, an exterior…
System and method for providing grid-forming control of an inverter-based resource
Granted: April 11, 2023
Patent Number:
11624350
A method for providing grid-forming control of an inverter-based resource includes receiving, via a controller, one or more reference commands from an external controller. The method also includes determining, via the controller, one or more control commands for the inverter-based resource based on the one or more reference commands. Further, the method includes determining, via the controller, at least one feedforward signal as a function of the one or more control commands, one or more…
System and method for identifying distortion-compensation threshold for sintering parts with complex features
Granted: April 4, 2023
Patent Number:
11620421
A system includes a memory module configured to store a computer model of a part for manufacturing with an additive manufacturing machine, and a processor communicatively coupled to the memory module. The processor is configured to receive the computer model, discretize the computer model into a mesh, predict a deformation behavior the plurality of nodes of the mesh under a simulated sintering process, determine a buckling factor for the part based on the predicted deformation behavior…
Hybrid electric aircraft engine
Granted: April 4, 2023
Patent Number:
11618580
A method for operating a hybrid electric propulsion system of an aircraft, the hybrid electric propulsion system comprising a turbomachine, an electric machine coupled to the turbomachine, and a propulsor coupled to the turbomachine, the method comprising: operating the turbomachine to drive the propulsor; receiving data indicative of a failure condition of the hybrid electric propulsion system; and extracting power from the turbomachine using the electric machine to slow down one or…
Additive manufacturing systems and methods including rotating binder jet print head
Granted: April 4, 2023
Patent Number:
11618216
An additive manufacturing system includes a build platform, a particulate dispenser assembly configured to dispense or remove particulate to or from the build platform, and a plurality of print heads each having at least one binder jet. The binder jets are configured to dispense at least one binder in varying densities onto the particulate in multiple locations to consolidate the particulate to form the component with a variable binder density throughout. The system also includes a…
Relating to power converters
Granted: April 4, 2023
Patent Number:
11621562
In the field of high voltage direct current (HVDC) power transmission networks there is a need for an improved power converter. A power converter, for use in a HVDC power transmission network, comprises first and second DC terminals, for connection in use to a DC network and between which extends at least one converter limb. The or each converter limb includes first and second limb portions which are separated by an AC terminal, for connection in use to an AC network. Each limb portion…
Additive manufacturing systems and methods including rotating binder jet print head
Granted: April 4, 2023
Patent Number:
11618216
An additive manufacturing system includes a build platform, a particulate dispenser assembly configured to dispense or remove particulate to or from the build platform, and a plurality of print heads each having at least one binder jet. The binder jets are configured to dispense at least one binder in varying densities onto the particulate in multiple locations to consolidate the particulate to form the component with a variable binder density throughout. The system also includes a…
Integrated cooling circuit for use with a superconducting magnet
Granted: April 4, 2023
Patent Number:
11619691
The present disclosure relates to using an integrated cooling circuit to provide both forced-flow pre-cooling functionality and closed-loop thermosiphon cooling for persistent mode operation of a superconducting magnet. In one embodiment, the integrated cooling circuit shares a single set of cooling tubes for use with both the forced-flow pre-cooling circuit as well as the closed-loop operating-state cooling circuit.
System and method for operating a combustion chamber
Granted: April 4, 2023
Patent Number:
11619384
A method for operating a combustion chamber is provided. The method includes introducing a fuel into the combustion chamber via a plurality of nozzles, each nozzle having an associated stoichiometry for an output end of the nozzle. The method further includes measuring the stoichiometry of each nozzle via one or more sensors to obtain stoichiometric data, and determining that at least one of a frequency and an amplitude of spectral line fluctuations derived from the stoichiometric data…
Wind turbine pitch bearing with friction enhancing insert layer
Granted: April 4, 2023
Patent Number:
11619211
A pitch bearing for coupling a rotor blade to a hub of a wind turbine includes an outer race mountable to the hub and an inner race rotatable relative to the outer race and mountable to the rotor blade. The inner race is formed by first and second ring components, each of the first and second ring components having an outer annular face and an inner annular face. The first and second ring components are joined together at the inner annular faces such that the inner annular faces are…
Gearbox system for a wind turbine, wind turbine with a gearbox system, and method for operating a gearbox system
Granted: April 4, 2023
Patent Number:
11619210
The present subject matter relates to a gearbox system for a wind turbine. The gearbox may have a gearbox housing defining an inner gearbox volume. The gearbox system further comprises at least one reservoir for storing lubricant and a lubricant provision arrangement. In addition, a lubricant return arrangement is provided. Thus, the gearbox system comprises a lubrication cycle, in particular a closed lubrication cycle, wherein lubricant is provided from the reservoir through the…
System and method for controlling a power generating unit
Granted: April 4, 2023
Patent Number:
11619206
A method for controlling a power output of a power generating unit includes receiving at least two measurement data sets from a location of integration of a power generating unit to an electrical grid. Each measurement data set includes a plurality of electrical parameters. The method further includes generating a grid model of the electrical grid based on the at least two measurement data sets. The grid model is characterized by an equivalent grid voltage and an equivalent grid…
Detonation combustion systems
Granted: April 4, 2023
Patent Number:
11619172
A detonation combustion system includes a detonation combustor. The detonation combustor includes a detonation manifold and one or more detonation chamber walls defining a detonation chamber. The detonation manifold includes a plurality of detonation fluid pathways defined by a monolithic structure of the detonation manifold, and a plurality of detonation orifice groups respectively including a plurality of detonation orifices disposed about a surface of the detonation manifold.…
Method to condition and control supercritical liquefied petroleum gases fuel flow for operation in gas turbines
Granted: April 4, 2023
Patent Number:
11619171
A fuel conditioning and control system provides dynamic control and steady state operations of a gas turbine provided fueled by supercritical liquefied petroleum gas (LPG). The fuel conditioning and control system comprises a storage for LPG fuel; a fuel delivery sub-system connecting the storage to turbomachinery; and a control system. The gas turbine includes a gas turbine core control that provides at least one operational data of the gas turbine to the control system. The fuel…
Coordinated combined cycle power plant response for block loading in grid restoration
Granted: April 4, 2023
Patent Number:
11619145
A method for block loading an electrical grid with a combined cycle power plant (CCPP) includes operating a gas turbine system of the CCPP in an islanding mode with a steam turbine system of the CCPP off line with turning gear rotating only; loading the steam turbine system accordingly to temperature matching conditions of the steam turbine system, the loading of the steam turbine system includes controlling gas turbine exhaust fed to the steam turbine system and the gas turbine exhaust…
Hybrid electric aircraft engine
Granted: April 4, 2023
Patent Number:
11618580
A method for operating a hybrid electric propulsion system of an aircraft, the hybrid electric propulsion system comprising a turbomachine, an electric machine coupled to the turbomachine, and a propulsor coupled to the turbomachine, the method comprising: operating the turbomachine to drive the propulsor; receiving data indicative of a failure condition of the hybrid electric propulsion system; and extracting power from the turbomachine using the electric machine to slow down one or…
