Abstract: A method, device and a computer-readable storage medium for optimizing simulation data are provided. The method for optimizing simulation data can include: inputting the simulation data generated by a simulator to a first generative adversarial network comprising a migration model; and optimizing the simulation data generated by the simulator with the migration model to generate optimized simulation data. In an embodiment of the present application, the simulation data is optimized by the generative adversarial network to enable the simulation data closer to the real data in representation. Therefore, the quality and accuracy of the simulation data can be ensured, the validity and reliability of the simulation data can be improved at least to some extent, and the cost for constructing the simulator can also be reduced.

Abstract: An integrator for monitoring at least one parameter of an electrical signal in an electrical conductor in protective relay application. The integrator includes an integrator circuit having an input for receiving a signal from a current sensor coupled to the electrical conductor. A switch circuit has an input coupled to the output of the integrator circuit, wherein the switch circuit is controlled by the output of a temperature detection circuit. A power stage circuit has an input coupled to the output of the switch circuit, wherein the temperature detection circuit is coupled to a heating element of the power stage circuit through a temperature sensor, and the heating element is attached to a channel-shaped heatsink for heat dissipation.

Abstract: An aluminum alloy for high pressure die casting of ultra-large vehicle body structures. The aluminum alloy includes about 4.00 to about 12.00 weight percent silicon (Si); about 0.20 weight percent maximum (Max) copper (Cu); about 0.40 weight percent Max magnesium (Mg); about 0.20 to about 0.60 weight percent iron (Fe); about 1.00 weight percent Max manganese (Mn); about 0.50 weight percent Max zinc (Zn); about 0.02 weight percent Max strontium (Sr); about 0.50 weight percent Max cerium (Ce); about 0.01 weight Max percent boron (B); and a remaining weight percent aluminum (Al). The aluminum alloy provides an as-cast yield strength of greater than 130 Megapascals (MPa), ultimate tensile strength of greater than 260 MPa, and elongation of greater than 6% without the need for heat treatment.

Abstract: In method for catalytic synthesis of crude ethylene sulfate, a sulfur trioxide solution is prepared by dissolving sulfur trioxide with a solution A, an ethylene oxide solution is prepared by mixing a solution B with ethylene oxide, a catalyst is added to the sulfur trioxide solution and mixing them to obtain a mixed solution C, the ethylene oxide solution and the mixed solution C are pre-cooled, and then introduced into a set of microchannel reactors for a real-time reaction to obtain a mixed solution containing crude ethylene sulfate, and then a post-treatment process is carried out to obtain crude ethylene sulfate. With the process, the reaction selectivity is good, and a microchannel reaction can accurately control the reaction energy level due to its rapid mixing and timely heat transfer, which greatly reduces the safety risk and effectively avoids the occurrence of side reactions.

Abstract: Provided are a method and apparatus for communication between a CPU and a Digital Signal Processor (DSP) in an Intelligent Electronic Device (IED). Specifically, the IED includes at least one analog-to-digital converter coupled to at least one sensor and configured for converting an analog signal output from the at least one sensor to digital data; a DSP coupled to the at least one analog-to-digital converter, and configured to perform digital signal processing on the signal from the at least one analog-to-digital converter; a CPU coupled to the DSP via a hardware path; wherein the DSP and the CPU are configured to communicate using a transmission protocol including a data header and a data payload based on the hardware path; wherein the data header includes a field of command identification indicating a specific communication purpose and a field of command type indicating the communication direction and frequency.

Abstract: An Intelligent Electronic Device (IED) for measuring a zero-crossing based electrical parameter when there is power quality disturbance in the power supply network. More specifically, the IED includes at least one sensor configured for sensing at least one electrical parameter of electrical power distributed from an electrical distribution system to a load, at least one analog-to-digital converter coupled to the at least one sensor and configured for converting an analog signal output from the at least one sensor to digital data, at least one processing module coupled to the at least one analog-to-digital converter, the at least one processing module is configured to receive the digital data, determine that the IED enters loss of synchronization according to the received digital data, measure a zero-crossing based electrical parameter of the digital data according to the cycle of the digital signal immediately before loss of synchronization.

Abstract: A fuel cell includes an anode, a cathode, and a polymer electrolyte membrane disposed between the anode and the cathode. A cathode catalyst is disposed on the cathode and the cathode catalyst includes nitrogen doped platinum nickel (PtNiN) nanoparticles loaded on mesoporous carbon. The PtNiN nanoparticles have an average diameter between about 1.0 nm and about 10.0 nm, the mesoporous carbon has a plurality of pores, the majority of the pores have an average pore diameter less than about 8.0 nm, and at least a portion of the PtNiN nanoparticles are disposed within the majority of the pores having an average pore diameter less than about 8.0 nm.

Abstract: In a method for preparing electronic-grade vinyl sulfate, a sulfur trioxide solution is prepared by dissolving sulfur trioxide with a solution A, an ethylene oxide solution is prepared by mixing a solution B with ethylene oxide, the sulfur trioxide solution and the ethylene oxide solution are pre-cooled, and introduced into a set of microchannel reactors for a real-time reaction to obtain a mixed solution containing crude vinyl sulfate, and then a post-treatment process is carried out to obtain crude vinyl sulfate. With the process, the reaction selectivity is good, and a microchannel reaction can accurately control the reaction energy level due to its rapid mixing and timely heat transfer, which greatly reduces the safety risk and effectively avoids the occurrence of side reactions. One-step synthesis is realized, the atomic economic benefits are significantly improved, and thus the process is a typical low-carbon green chemical reaction.

Abstract: Provided are a method and apparatus for generating an electrical parameter identifier in an Intelligent Electronic Device (IED). Specifically, the method includes obtaining attributes of the electrical parameter and generating an identifier for the electrical parameter according to the attributes.

Abstract: Provided are a method and apparatus for generating an electrical parameter identifier in an Intelligent Electronic Device (IED). Specifically, the method includes obtaining attributes of the electrical parameter and generating an identifier for the electrical parameter according to the attributes.

Abstract: Systems, methods, and computer program products may compare machine learning models by identifying data instances with disagreed predictions and learning from the disagreement. Based on a model interpretation technique, differences between the compared machine learning models may be interpreted. Multiple metrics to prioritize meta-features from different perspectives may also be provided.

Abstract: In a method for continuously preparing crude ethylene sulfate, a sulfur trioxide solution is prepared by dissolving sulfur trioxide with a solution A, an ethylene oxide solution is prepared by mixing a solution B with ethylene oxide, the sulfur trioxide solution and the ethylene oxide solution are pre-cooled, and introduced into a set of microchannel reactors for a real-time reaction to obtain a mixed solution containing crude ethylene sulfate, and then a post-treatment process is carried out to obtain crude ethylene sulfate. With the process, the reaction selectivity is good, and a microchannel reaction can accurately control the reaction energy level due to its rapid mixing and timely heat transfer, which greatly reduces the safety risk and effectively avoids the occurrence of side reactions. One-step synthesis is realized, the atomic economic benefits are significantly improved, and thus the process is a typical low-carbon green chemical reaction.

Abstract: A method, system, and computer program product is provided for embedding compression and reconstruction. The method includes receiving embedding vector data comprising a plurality of embedding vectors. A beta-variational autoencoder is trained based on the embedding vector data and a loss equation. The method includes determining a respective entropy of a respective mean and a respective variance of each respective dimension of a plurality of dimensions. A first subset of the plurality of dimensions is determined based on the respective entropy of the respective mean and the respective variance for each respective dimension of the plurality of dimensions. A second subset of the plurality of dimensions is discarded based on the respective entropy of the respective mean and the respective variance for each respective dimension of the plurality of dimensions. The method includes generating a compressed representation of the embedding vector data based on the first subset of dimensions.

Abstract: A method to manufacture a ceramic foam filter includes: sintering a filter body to a temperature greater than a molten metal to be filtered through the body; creating multiple tortuous path channels extending through the filter body individually having a repeated and controlled passage geometry creating a continuously changing diameter and area of a flow path through the multiple tortuous path channels causing localized increases and decreases in molten metal flow rate through the multiple tortuous path channels; and applying a mixture of at least one ceramic powder and at least one binder using additive manufacturing to shape the filter body including the multiple tortuous path channels.

Abstract: A low-pressure sand-casting system includes a sand-casting mold receiving a molten casting material to cast an automobile vehicle cylinder head. A port is created in the automobile vehicle cylinder head. A manifold port metal core assembly includes a metal core. A compressible material coating is applied on the manifold port core metal core.

Abstract: A bonded structure is disclosed. The bonded structure can include a first element that has a first bonding surface. The bonded structure can further include a second element that has a second bonding surface. The first and second bonding surfaces are bonded to one another along a bonding interface. The bonded structure can also include an integrated device that is coupled to or formed with the first element or the second element. The bonded structure can further include a channel that is disposed along the bonding interface around the integrated device to define an effectively closed profile The bonded structure can also include a getter material that is disposed in the channel. The getter material is configured to reduce the diffusion of gas into an interior region of the bonded structure.