Abstract: A rolling bearing combined fault diagnosis method based on a multi-domain feature construction is provided, including: collecting vibration signals of rolling bearings, extracting time-domain and frequency-domain features of fault-sensitive vibration signals of the rolling bearings, and obtaining an in-domain feature set; performing an improved empirical mode decomposition on the vibration signals of the rolling bearings to obtain time-frequency features; constructing a multi-domain fault sample set based on the in-domain feature set and the time-frequency features; performing a fault mechanism analysis on the multi-domain fault sample set to obtain modulation features under each single fault; carrying out a feature engineering on the time-domain and frequency-domain features, and screening out relevant features, redundant features and irrelevant features; performing an unsupervised hierarchical clustering on test set fault samples, and then inputting the test set fault samples into a KNN model for a classifi

Abstract: Methods of depositing nanoparticles onto a substrate (e.g., an implant) are provided, as are the resulting substrates (e.g., implants) formed by such deposition methods. The nanoparticles can be silver nanoparticles that provide antimicrobial or antibacterial properties to the substrate.

Abstract: According to one embodiment, a method, computer system, and computer program product for managing access to data is provided. The embodiment may include identifying two or more users. The embodiment may also include identifying one or more data regulation requirements. The embodiment may further include determining a set of data rules from the one or more data regulation requirements. The embodiment may also include identifying a data set. The embodiment may further include determining, in response to a request for a subset of data from the data set, an access state to the subset of data for a user from the two or more users based on one or more data rules from the set of data rules. The embodiment may also include generating filtered data according to the determined access state.

Abstract: Embodiments of this application mainly relate to the field of data processing technologies, and in particular, to microservice orchestration methods and apparatus, electronic devices, and readable media. A first node is established in a first runtime for each of a plurality of microservices. The first node is configured to control execution of the microservice. Construction performed by a user on a behavior tree is received. The behavior tree includes a leaf node, and the leaf node represents the microservice. The behavior tree is parsed, where the leaf node is mapped to the first node. An instance of the behavior tree is generated.

Abstract: A spectrum measurement device includes a scanning light receiver, an optical component, and a processor. The scanning light receiver, on a plane, receives a plurality of light beams of a display image sequentially according to a scanning operation to generate a plurality of input light beams sequentially. The optical component receives the input light beams sequentially and generates a plurality of pieces of processed information. The processor obtains luminance and chromaticity information of the display image according to the processed information.

Abstract: The disclosure discloses a power conversion system and a control method, the control method includes: providing a power conversion module which includes a damping circuit and a first capacitor connected in series, and a controller, wherein the damping circuit includes a first inductor, a first switch, a second switch, and a second capacitor; obtaining a first current reference value according to an input voltage of the power conversion module, a voltage of the second capacitor, and a voltage reference value; obtaining a second current reference value according to the input voltage of the power conversion module and a current signal related to an input current; and outputting a driving signal according to an inductor current flowing through the first inductor and an inductor current reference value, wherein the current reference value is obtained according to the first current reference value and the second current reference value.

Abstract: The invention discloses a non-isolated DC/DC power converter and a power conversion apparatus. The non-isolated DC/DC power converter comprises a power module comprising a first power conversion circuit, the first power conversion circuit being a non-isolated DC/DC conversion circuit, a first output end of the first power conversion circuit is connected with a first inductor, and a second output end of the first power conversion circuit is connected with a second inductor; and an oscillation suppression module comprising a second power conversion circuit, a first terminal of the second power conversion circuit coupled in parallel to an input end of the first power conversion circuit, a first terminal current of the second power conversion circuit being in phase with at least partial of AC components of an input voltage of the oscillation suppression module, and the second power conversion circuit being a bidirectional DC/DC conversion circuit.

Abstract: An embodiment for improved authentication of chatbot users for chat history recovery. The embodiment may record a first chat conversation between a first chat service operator and a first user, wherein the first chat conversation includes a first-step authentication and a chat history. The embodiment may detect a request to resume the first chat conversation. The embodiment may, in response to detecting the request to resume the first chat conversation, initiate a recovery process by sending a random-generated token to the first-step authentication. The embodiment may receive verification of the random-generated token. The embodiment may generate, by a large language model, one or more authentication questions based on content of the chat history. The embodiment may authenticate the first user based on one or more correct answers to the one or more authentication questions. The embodiment may resume the first chat conversation including the chat history.

Abstract: The present invention provides a method for synthesizing tyloxapol of formula (I), including the following steps: first reacting p-tert-octylphenol of formula (III) with formaldehyde under alkaline conditions to obtain 2,5-dimethylol p-tert-octylphenol of formula (IV); then reacting 2,5-dimethylol p-tert-octylphenol with p-tert-octylphenol of formula (III) under acidic conditions to obtain the phenolic resin of formula (II); and finally, reacting the phenolic resin of formula (II) with ethylene oxide to obtain tyloxapol of formula (I).

Abstract: A device and a method for robotic arm automatic correction are disclosed. A main structure includes a robotic arm including an optical photographing mechanism, and a wafer storage mechanism at one side of the robotic arm and including a graphic data code. The optical photographing mechanism is in information connection with an optical recognition module that includes a data code analysis unit, an object distance analysis unit, and a wafer center analysis unit. A user uses the optical photographing mechanism to photograph the graphic data code for implementing a first round of position correction for the robotic arm. Then, the optical photographing mechanism photographs a wafer and performs an operation of focusing for calculation of a distance between the robotic arm and a center point of the wafer by means of the object distance analysis unit in combination with the wafer center analysis unit for a second round of correction.

Abstract: Disclosed in a robotic arm with vibration detection and image recognition, of which a main structure includes a wafer transportation device, a robotic arm rotatably mounted on the wafer transportation device, an image acquiring device arranged on the robotic arm, at least one first vibration detector arranged on the robotic arm, a second vibration detector arranged in an interior of the wafer transportation device, and a monitoring device arranged at one side of the wafer transportation device. The monitoring device includes a status inspecting part in information connection with the image acquiring device and a vibration inspecting part in information connection with the first vibration detector and the second vibration detector. By means of the above structure, the robotic arm is additionally provided with functions of wafer storage status inspecting, impact sensing, and lifespan predicting, so as to prevent mutual influence between machine structure operation instability and inspection error.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a wireless node may receive a first set of transmissions, each transmission of the first set of transmissions corresponding to a respective interference metric of a first set of interference metrics. The wireless node may receive a second set of transmissions in association with a selected reception mode of a plurality of reception modes, wherein the selected reception mode is based on an estimated power metric and an estimated performance metric. Numerous other aspects are described.

Abstract: A switching bridge for the DC-DC stage of a power converter, the switching bridge having one or more sets of upper and lower series-connected switches (S1, S2) connected across a DC bus and arranged to be switched to provide an output AC voltage, the switching bridge further comprising a voltage divider (C1) arranged to vary the output AC voltage level according to the switching state of the switches.

Abstract: A semiconductor structure and a method for forming the same are provided. The semiconductor structure includes a gate stack structure formed over a substrate. The gate stack structure includes a gate electrode structure having a first portion and a second portion and a first conductive layer below the gate electrode structure. In addition, the first portion of the gate electrode structure is located over the second portion of the gate electrode structure, and a width of a top surface of the first portion of the gate electrode structure is greater than a width of a bottom surface of the second portion of the gate electrode structure.

Abstract: A method, computer program product, and computer system for generating synthetic time-series data for a specific disease. One or more processors of a computer system provide a generative adversarial network (GAN), train the GAN to generate time series data using episodic measurement results as metadata for a patient cohort with a specific disease; receive input metadata associated with an episodic measurement for a patient in the patient cohort with the specific disease by the trained GAN, and generate synthetic time series data that simulates the patient in the patient cohort with the specific disease.

Abstract: A computer implemented method synthesizes electroencephalograph signals. A number of processor units creates a training dataset comprising real electroencephalograph signals, speech signals correlating to the real electroencephalograph signals, and a set of human characteristics for the real electroencephalograph signals. The number of processor units trains a generative adversarial network using the training dataset to create a trained generative adversarial network. The trained generative adversarial network generates synthetic electroencephalograph signals in response to receiving new speech signals.

Abstract: This disclosure provides systems, methods, and devices for wireless communications that support multiple subscriber identity module (MSIM) operation. In a first aspect, an apparatus for wireless communications includes an input port for receiving a radio frequency (RF) signal comprising a first carrier corresponding to a first subscriber identity module (SIM) and a second carrier corresponding to a second subscriber identity module (SIM); and a split low noise amplifier (LNA) coupled to the input port and a first output port and a second output port, the split LNA configured to output the RF signal with a first gain as a first amplified RF signal at the first output port and to output the RF signal with a different, second gain as a second amplified RF signal at the second output port. Other aspects and features are also claimed and described.

Abstract: A method, computer program product, and computer system are provided for enhancing chatbot responses. Data corresponding to a user input to a chatbot is received. A prompt is generated for a large language model based on the received data and a conversation flowchart associated with the chatbot. The generated prompt is input to the large language model. A natural language response to the received data is generated based on an output from the large language model. The generated natural language response substantially corresponds to a response associated with the conversation flowchart.

Abstract: A SDT computation system is provided. The SDT computation system includes a SDT module, an ACAM array, and a mapping module. The SDT module is for outputting a final probability and configured to provide a SDT structure with a root node and deeper inner nodes for calculating probability, in which the final probability of each leaf node of the SDT structure is a product of all of node probabilities along a path from the root node to each leaf node, and wherein a final output of the SDT module is from a leaf with the highest probability. The mapping module is configured to map the SDT structure into the ACAM array, such that each of the ACAM cells in the ACAM array has a threshold programmed to be a parameter for a node in a path leading towards the leaf node of the SDT structure.

Abstract: Provided are techniques for an omni-channel Artificial Intelligence (AI) chatbot module collecting data and performing analysis. Survey questions for a participant are received. A first channel of a plurality of channels of communication and a period of time for contact are identified. A conversation is initiated by attempting to contact the participant using the first channel and during the period of time. in response to the participant accepting the contact, each of the survey questions are converted to natural language. There is interaction with the participant using the first channel to receive survey answers to the survey questions in the natural language. The survey answers are analyzed, and an analysis result is output.