Abstract: Disclosed are techniques for generating features to train a predictive model to predict a customer lifetime value or churn rate. In one embodiment, a method is disclosed comprising receiving a record that includes a plurality of fields and selecting a value associated with a selected field in the plurality of fields. The method then queries a lookup table comprising a mapping of values to aggregated statistics using the value and receives an aggregated statistic based on the querying. Next, the method generates a feature vector by annotating the record with the aggregated statistic. The method uses this feature vector as an input to a predictive model.

Abstract: A multi-mode switching simulation training system based on a real centralized traffic control (CTC) system, including a center platform and a plurality of student platforms connected to the center platform through a network, where the center platform includes a first management module and a first training system connected to the first management module; each student platform includes a second management module and a second training system connected to the second management module; and the first management module is configured to control the start and stop of the first training system, and the second management module is configured to control the start and stop of the second training system, so as to switch a training mode of the multi-mode switching simulation system. The present invention can achieve the purposes of individual training for dispatchers, individual training for attendants, joint training for the dispatchers and the attendants, and skills competition.

Abstract: The present invention disclosures a critical dimension error analysis method, comprising: S01: performing lithography processes on a wafer, measuring the critical dimension (CD) values of the test points in each of the fields respectively; M and N are integers greater than 1; S02: removing extreme outliers from the critical dimension (CD) values; S03: rebuilding remaining CD values by a reconstruction model fitting method, and obtaining rebuilt critical dimension (CD?) values, according to relative error between CD? and CD, dividing the rebuilt critical dimension (CD?) values into scenes and the number of the scenes is A; S04: calculating components and corresponding residuals of the test points in each of the scenes under a reference system corresponding to a correction model by parameter estimation; S05: modifying machine parameters and masks by the correction model according to above calculation results.

Abstract: The disclosure provides an array substrate and a touch display device. The array substrate includes a display area and a non-display area, and the non-display area includes a fan-out area and a signal input area. The display area is provided with a plurality of display data lines and a plurality of touch data lines, the fan-out area is provided with a plurality of display data fan-out lines and a plurality of touch data fan-out lines, the fan-out area includes a first part and a second part which are adjacently distributed in a direction from the display area to the signal input area.

Abstract: An array substrate includes: a base substrate, a light shielding layer on a first surface of the base substrate, and a plurality of pixel units and a first common electrode bus on a second surface of the base substrate. The base substrate includes a display region, first and second peripheral regions. Orthographic projections of the pixel units on the base substrate are arranged in an array in the display region. At least part of an orthographic projection of the light shielding layer and at least part of an orthographic projection of the first common electrode bus on the base substrate are in the second peripheral region, and the first common electrode bus is electrically connected to the common electrode included in at least one pixel unit. A distribution density of the first common electrode bus in the first peripheral region is smaller than that in the second peripheral region.

Abstract: The present disclosure relates to an array substrate, a display panel, and an electronic device. The array substrate includes a plurality of sub-pixel regions, a gate line layer, and a common electrode layer. Each sub-pixel region of the sub-pixel regions has two sub-pixel units disposed in a same row and two thin film transistors connected to the two sub-pixel units respectively. The gate line layer has gate lines and gate electrodes. Control electrodes of two thin film transistors of each sub-pixel region are respectively connected to two gate lines located on two ends of the sub-pixel region through corresponding gate electrodes.

Abstract: The invention provides an automatic stirring device in the field of fluid machinery and bioreactors, focusing on enhancing fluid control efficiency and consistency in biological cultivation processes. It utilizes a flexible channel body or reactor body to facilitate the flow of nutrient solution along specific channels (such as S-shaped flexible channels or S-shaped loop channels), designed to reduce shear forces and achieve iso-level uniform flow. A power system and monitoring and control system are employed to regulate the flow of nutrient solution and monitor cultivation conditions in real-time, thus supporting various bioprocess cultivation requirements.

Abstract: In accordance with the purpose(s) of the present disclosure, as embodied and broadly described herein, the disclosure, in one aspect, relates to the efficient and rapid synthesis of high-performance sodium ion electrolytes. The electrolytes have the general formula Nau+yNw?yMyLazCl3?vXv. The electrolytes possess superionic conductivity and display a low electronic conductivity, which ensures negligible electron transport contribution to the measured total conductivity and thereby enhancing safety when applied in energy storage devices. The synthesis of the electrolytes is significantly faster when compared to the synthesis of lithium electrolytes and the process can be scalable to produce large amounts of electrolytes.

Abstract: A method of automatically tuning a proportional-integral-derivative (PID) controller (102) controlling a DC-DC converter (100) includes substituting the PID controller (102) with a modified relay feedback test (MRFT) (104) controller having a threshold parameter (?) and a magnitude parameter (h), iteratively determining a current error signal (e[k]) by measuring an output voltage (Vo[k]) of the DC-DC converter (100) and comparing it to a desired reference output voltage (Vo-ref), input the error signal (e[k]) to the MRFT (104), determining an output value (u[k]) of the MRFT, update the duty cycle (D) based on the output value (u[k]), operating the DC-DC converter (100) using the updated duty cycle (D), exciting oscillations in the loop containing the MRFT (104) and the DC-DC converter (100), measuring a frequency (?0) and amplitude (?0) of the output voltage (Vo[k]), updating PID controller parameters based on the frequency (?0) and amplitude (?0), and substituting the MRFT (104) with the PID controller (102)

Abstract: The present disclosure provides a display substrate and a display device. The display substrate includes a base substrate, the base substrate includes an IC region, and the IC region includes a first electrode arrangement region and a first transistor arrangement region. The display substrate includes a plurality of first touch electrodes arranged in rows and columns in the first electrode arrangement region, and a plurality of first switching transistors arranged in the first transistor arrangement region. Each first touch electrode is electrically coupled to a corresponding first switching transistor, and an orthogonal projection of a display data receiving electrode onto the base substrate does not overlap with an orthogonal projection of the first touch electrode onto the base substrate.

Abstract: The present invention belongs to the field of medical technology and specifically relates to an active ingredient group for treating constipation. An active ingredient group for treating constipation, characterized in that the active ingredient group includes rhein, hesperetin, albiflorin, and magnolol. The key target combination of constipation includes RXRA, CYP1A1, CYP1A2 and PLA2G4. The active ingredient group for treating constipation provided in this application can effectively prevent and treat constipation by regulating bile acid secretion, steroid hormone biosynthesis, glycerophospholipid metabolism, and linoleic acid metabolism by establishing strong combination between the active ingredient group and the key target combination of constipation. This application also discloses the biomarkers for the diagnosis and treatment of constipation.

Abstract: A display substrate, including: a substrate; and a plurality of data lines each extending in a first direction, a touch layer, and a plurality of touch signal lines, sequentially arranged away from the substrate, wherein the touch layer includes a plurality of touch electrodes configured to be multiplexed as common electrodes, and each touch electrode includes a plurality of touch sub-electrodes electrically connected to each other; wherein the touch sub-electrodes are arranged in an array along the first direction and a second direction, a first slit is between any two adjacent touch sub-electrodes along the second direction, and orthographic projections of the first slit and a corresponding data line on the substrate overlap each other; the touch signal lines are connected to the touch electrodes, and an orthographic projection of at least one touch signal line on the substrate covers the orthographic projection of the first slit on the substrate.

Abstract: An array substrate, a manufacturing method and a display device. The array substrate includes: a base substrate; a plurality of gate lines and a plurality of data lines; a plurality of touch signal lines; a plurality of touch electrodes; a plurality of pixel electrodes; and an insulation layer. The touch signal line and a transparent conductive layer where the pixel electrode is located are arranged at a side of the insulation layer away from a transparent conductive layer where the touch electrode is located, an orthogonal projection of the pixel electrode onto the base substrate is separated from an orthogonal projection of the touch signal line onto the base substrate to be insulated from each other, and each touch electrode is coupled to at least one touch signal line through a via hole in the insulation layer.

Abstract: In some implementations, the techniques described herein relate to a method including: loading a current and a new model, the new model including the most recent version of the current model; computing a migration duration based on computed properties, namely the jitter in predictions between the current and the new models based on imputing the same inference data to both models; blending outputs of the current model with outputs of the new model according to weights computed for a current time step in the migration process; and serving new predictions using the new model when the migration duration expires.

Abstract: An array substrate has a display area and a bonding region. The display area includes a distal region, a proximal region, and a middle region therebetween. The array substrate includes a base, a common electrode located in the display area, a connecting lead disposed outside the distal region, a conductive frame at least partially surrounding the display area, and at least one first common signal line, at least one second common signal line and at least one third common signal line. The first common signal line, the second common signal line and the third common signal line are respectively coupled to portions of the common electrode located in the distal region, the proximal region and the middle region. The first common signal line is coupled to the connecting lead. The connecting lead and the portion of the common electrode located in the distal region are coupled to the conductive frame.

Abstract: The present disclosure relates clustering similar data records together in a hierarchical clustering scheme. Each tier in a cluster corresponds to a minimal match score, which reflects a degree of confidence. In this respect, a higher confidence may lead to smaller sized clusters while a lower confidence may lead to larger sized clusters. Ordinal classification may be used to generate hierarchical clusters. In some embodiments, hierarchical clustering with conflict resolution is used to resolve user-defined hard conflicts in each tier of the clustering results.

Abstract: The disclosed embodiments relate to devices, computer-readable media, and methods for generating training data for training an ordinal, regression-based classifier, the method including grouping client data based on client keys associated with the client data, pairwise matching records in the client data to generate feature signatures and inferring a label based on client key statuses for the pairwise-matched records, and building a training dataset from the inferred labels and feature signatures, the training dataset used to train the classifier.

Abstract: Attenuators having phase shift and gain compensation circuits. In some embodiments, a radio-frequency (RF) attenuator circuit can include one or more attenuation blocks arranged in series between an input node and an output node, with each attenuation block including a local bypass path. The RF attenuator circuit can further include a global bypass path implemented between the input node and the output node. The RF attenuator circuit can further include a phase compensation circuit configured to compensate for an off-capacitance effect associated with at least one of the global bypass path and the one or more local bypass paths.

Abstract: A method for model predictive current control of a two-motor torque synchronization system, which belongs to the field of power electronics and motor control. The present disclosure takes an indirect matrix converter and a two-motor system which are coaxially and rigidly connected as a target, and takes two-motor torque synchronization performance and current tracking performance as main control objectives. A two-motor unified prediction model is established and a value function based on free components of error items is configured so as to solve the problems in which when model predictive current control is performed on a two-motor system, setting of a value function weighting coefficient needs to be performed manually, and consequently the setting process is complicated and an erroneous switch state combination is likely to be selected.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.