Abstract: Systems and methods provide a bottom hole assembly for a wellbore that includes a drill bit and multiple drilling tools. The multiple drilling tools include multiple sensors configured to capture a multiple instances of a common measurement type at multiple locations along a drill string. The multiple drilling tools also include processing circuitry configured to compare the multiple instances of the common measurement type to determine a difference among the multiple instances. The processing circuitry is also configured to determine that the difference is greater than a threshold corresponding to an inference of high frequency torsional oscillation. Furthermore, the processing circuitry is further configured to send an indication of an occurrence of high frequency torsional oscillation in the bottom hole assembly.

Abstract: A circuit for status monitoring, and fault recovery and isolation for an I2C bus is provided. The I2C bus is electrically connected to a master device and a plurality of slave devices. Each of the slave devices has an address. The circuit includes a receiver unit, a decoder unit, and a troubleshooting unit. The receiver unit can receive a data signal and a clock signal that are transmitted from the master device to the I2C bus. The decoder unit is configured to obtain address information and a read/write bit based on the data signal and the clock signal. The troubleshooting unit is configured to, when the troubleshooting unit determines that a target slave device is malfunctioning based on the data signal, the clock signal, and the read/write bit, identify the target slave device based on the address information, and perform a troubleshooting operation on the target slave device.

Abstract: Systems and methods presented herein facilitate coiled tubing operations, and generally relate to reduction of shock and vibrations to portions of the coiled tubing string. A device includes a first end configured to be disposed downstream of a bottom hole assembly of a coiled tubing drilling string; a second end configured to be disposed downstream of the first end and upstream of a drive of the coiled tubing drilling string; and a moveable valve configured to move from a first position to a second position to divert at least a portion of drilling fluid flow away from the drive when the drilling fluid flow is greater than a preset flow value or a weight on bit is less than a preset weight value and thereby reduce a rotation rate of the drive.

Abstract: The present disclosure discloses a decision feedback equalizer and a method for acquiring and correcting data. The decision equalizer comprises: a first decision sampling circuit; and a second decision sampling circuit; wherein an input end of the first decision sampling circuit is configured to receive sampling data and a first sampling result outputted by the second decision sampling circuit in a previous sampling period; and an input end of the second decision sampling circuit is configured to receive sampling data and a second sampling result outputted by the first decision sampling circuit in a previous sampling period.

Abstract: In general, the invention relates to a drill bit. The drill bit includes a first tubular member including a pin end and a pin thread structure extending helically along an outer surface of the pin end in spaced thread turns, the pin thread structure including: a first pin flank and a second pin flank; a pin crest extending between a top edge of the first pin flank and a top edge of the second pin flank; and a pin root extending between a bottom edge of the first flank and a bottom edge of a flank of an adjacent thread turn.

Abstract: A multi-disciplinary optimization (MDO) framework and workflow facilitates analysis and optimization of set of designs of a pressure-controlling component. The MDO workflow generally enables design workflow integration and automation, which can improve engineering efficiency, and enables automated optimization within the workflow automation, which facilitates performance and reliability improvement for product development. The MDO workflow enables the integration of computer-aided design (CAD), finite element analysis (FEA), digital manufacturing simulation (DMS), and optimization packages to facilitate testing and optimization of a set of pressure-controlling component designs. As such, the MDO framework and workflow improve the efficiency of the design process by providing a scalable solution for automating aspects of the design process for a set of designs of a pressure-controlling component, which may represent a product family or a set of competing alternative designs.

Abstract: The present disclosure provides a decision feedback equalizer circuit. The decision feedback equalizer circuit includes: a first adder circuit, configured to add sampled data, first correction data and target correction data; a first sampler amplifier, configured to sample data output by the first adder circuit through a first signal component in a first clock signal to obtain a first sampling result; a second adder circuit, configured to add the sampled data, the first correction data and the target correction data; a second sampler amplifier, configured to sample data output by the second adder circuit through a second signal component in the first clock signal to obtain a second sampling result; and a correction parameter processing element, configured to determine the target correction data through a second clock signal, the first sampling result and the second sampling result.

Abstract: The present disclosure discloses a decision feedback equalizer and a method for acquiring and correcting data. The decision equalizer comprises: a first decision sampling circuit; and a second decision sampling circuit; wherein an input end of the first decision sampling circuit is configured to receive sampling data and a first sampling result outputted by the second decision sampling circuit in a previous sampling period, so as to determine a first correction mode for the sampling data by means of the first sampling result, and correct the sampling data by means of the first correction mode; and an input end of the second decision sampling circuit is configured to receive sampling data and a second sampling result outputted by the first decision sampling circuit in a previous sampling period, so as to determine a second correction mode for the sampling data according to the second sampling result, and correct the sampling data according to the second correction mode.

Abstract: Disclosed are a point cloud encoding method and apparatus, an electronic device, a medium, and a program product. The method includes: performing image layer division on a to-be-processed laser radar point cloud to generate different types of image layers; performing region segmentation on each image layer using a region segmentation method correspondingly set for a type of the corresponding image layer, so as to obtain region images corresponding to each image layer; arranging the region images corresponding to each image layer to obtain arranged images corresponding to each image layer; and encoding each arranged image based on an encoding method correspondingly set for the type of the corresponding arranged image, so as to obtain encoded data of the laser radar point cloud.

Abstract: The present invention relates to an antibody binding to lymphocyte activation gene-3 (LAG-3) and use thereof.

Abstract: The present disclosure provides a decision feedback equalizer circuit. The decision feedback equalizer circuit includes: a first adder circuit, configured to add sampled data, first correction data and target correction data; a first sampler amplifier, configured to sample data output by the first adder circuit through a first signal component in a first clock signal to obtain a first sampling result; a second adder circuit, configured to add the sampled data, the first correction data and the target correction data; a second sampler amplifier, configured to sample data output by the second adder circuit through a second signal component in the first clock signal to obtain a second sampling result; and a correction parameter processing element, configured to determine the target correction data through a second clock signal, the first sampling result and the second sampling result.

Abstract: The present invention relates to a CPR posture monitoring model and system, the model being configured to: based on human skeleton point data extracted from CPR moves, at least compute arm-posture angle data and GC matching angle data related to the CPR moves, and determine whether the CPR moves are qualified by comparing arm-posture angle data and GC matching angle data to a CCP qualification threshold; wherein human skeleton point data are extracted from first move data collected by a first optical component and second move data collected by a second optical component simultaneously, wherein an included angle between collection directions of the two optical components ranges between 30 and 90 degrees. By constructing and applying a CPR posture monitoring model defined by data like GC matching angle, evaluation result has higher accuracy.

Abstract: A device for cold rolling a thread on a tubular support member of a rotary shouldered thread connection includes obtaining an original root depth of a thread root, cold rolling the thread until a minimum increased root depth tolerance is achieved.

Abstract: A virtual integration test system includes a computer configured to receive data indicative of measured dimensions of as-built components. The computer is also configured to perform a motion mechanics simulation on at least two deformation-uncritical components of the as-built components and perform a deformation mechanics simulation on at least one deformation-critical component of the as-built components. The motion mechanics simulation and the deformation mechanics simulation are performed concurrently within a simulation environment. In addition, the computer is configured to determine interface and integration compatibility of the as-built components based on the motion mechanics simulation and the deformation mechanics simulation, and to output an output signal indicative of the interface and integration compatibility of the as-built components.

Abstract: A clock distribution network includes receiving a remote voltage signal; transmitting the remote voltage signal into a local voltage signal using a current-mode transmission scheme that comprises a cascade of a voltage-to-current driver, a transmission line, a current buffer, and a LC (inductor-capacitor) tank; transmitting the local voltage signal into a first destination voltage signal using a voltage-mode transmission scheme that comprises a cascade of a first capacitively driven wire and a first inverter buffer; and transmitting the local voltage signal into a second destination voltage signal using a voltage-mode transmission scheme that comprises a cascade of a second capacitively driven wire and a second inverter buffer.

Abstract: A clock distribution network includes receiving a remote voltage signal; transmitting the remote voltage signal into a local voltage signal using a current-mode transmission scheme that comprises a cascade of a voltage-to-current driver, a transmission line, a current buffer, and a LC (inductor-capacitor) tank; transmitting the local voltage signal into a first destination voltage signal using a voltage-mode transmission scheme that comprises a cascade of a first capacitively driven wire and a first inverter buffer; and transmitting the local voltage signal into a second destination voltage signal using a voltage-mode transmission scheme that comprises a cascade of a second capacitively driven wire and a second inverter buffer.

Abstract: A method and kit for treating a neurodegenerative disease or central nervous system disorder in a subject using a GlyB4 fusion protein is provided, as is a kit containing the same.

Abstract: A multi-disciplinary optimization (MDO) framework and workflow facilitates analysis and optimization of set of designs of a pressure-controlling component. The MDO workflow generally enables design workflow integration and automation, which can improve engineering efficiency, and enables automated optimization within the workflow automation, which facilitates performance and reliability improvement for product development. The MDO workflow enables the integration of computer-aided design (CAD), finite element analysis (FEA), digital manufacturing simulation (DMS), and optimization packages to facilitate testing and optimization of a set of pressure-controlling component designs. As such, the MDO framework and workflow improve the efficiency of the design process by providing a scalable solution for automating aspects of the design process for a set of designs of a pressure-controlling component, which may represent a product family or a set of competing alternative designs.

Abstract: An asset management system that includes a field asset management system; a maintenance management system; and a digital avatar associated with a specific asset. The digital avatar has an automatic Model that is customized for the associated asset. The digital avatar automatically receives information from at least one of the field asset management system or maintenance management system as information associated with the asset is entered into the at least one of the field asset management system or maintenance management system. The automatic Model automatically runs with the new information and provides a new operating parameter for use by at least the field asset management system.