Abstract: A zero calibration method includes: adding, based on a first forward kinematics model of a robotic arm of a robot, zero deviations of each joint to form a second forward kinematics model, and simultaneously solving the second forward kinematics model and the first forward kinematics model to obtain an end deviation function; sending target end pose instructions to the robotic arm in a current zero point situation, and acquiring a spatial deviation of an actual position of an end; inputting position information of each joint angle and the spatial deviation, after each stop of motion of the end, into the end deviation function, and performing phase shifting to obtain an objective optimization function; and solving the objective optimization function to obtain a zero deviation value.

Abstract: An apparatus for managing production of one or more products includes a business backend; an interface service; a persistent data storage; a processor; and a message middleware. The business backend is configured to extract and organize data; and dispatch business data to the interface service. The interface service is configured to perform data validation on the business data received from the business backend; and transmit the business data to the persistent data storage and the message middleware. The persistent data storage is configured to store the business data received from the interface service as a reference for the calculation and analysis; and transmit data to the processor. The processor is configured to calculate overstock quantity and determine overstock type. The message middleware is configured to receive the business data from the interface service, and receive analysis results from the processor; and transmit the analysis results to interface service.

Abstract: A method for intelligently distributing messages across multiple devices and associated chat applications is disclosed. In one embodiment, such a method includes registering multiple devices and associated chat applications to receive intelligent distribution of messages. The method monitors, using an agent, a message copied from a first device of the multiple devices to a clipboard. The method automatically analyzes content of the message to determine which other devices and associated chat applications of the plurality are eligible to receive the message. The message is then distributed to other devices and associated chat applications that are deemed eligible to receive the message. In certain embodiments, the message originates from a first chat application of a first type and the message is distributed to a second chat application of a second type that is different from the first type. A corresponding system and computer program product are also disclosed.

Abstract: A large-scale direct shear apparatus for direct shear test of multi-size cylindrical undisturbed soil samples, comprising an external framework, a sample shear box, a horizontal loading device, a vertical loading device, and a control system. The sample shear box is disposed within the external framework and includes an upper shear box, a lower shear box, and a base. The horizontal loading device includes a horizontal drive motor equipped with a load sensor, a horizontal mechanical loading mechanism, and an upper shear box connection structure. The horizontal drive motor is installed on one inner side of the external framework and contacts the lower shear box via the horizontal mechanical loading mechanism. The upper shear box connection structure is fixed to the other inner side of the external framework and contacts the upper shear box. The vertical loading device includes a vertical drive motor and a vertical mechanical loading mechanism.

Abstract: A method for generating a fused automotive sensor data graph as well as an automotive control unit configured to perform the method are disclosed. A plurality of automotive sensor data graphs is obtained, which are each based on sensor data captured by a corresponding automotive sensor of the vehicle. At least one calibration matrix is obtained, which defines a transformation between sensor data nodes of at least two automotive sensor data graphs. Based on the plurality of automotive sensor data graphs and the at least one calibration matrix, the fused automotive sensor data graph is generated, which includes the plurality of automotive sensor data graphs as well as a plurality of fusion edges. The fused automotive sensor data graph is provided to an automotive perception function, which is implemented by a graph neural network.

Abstract: A data transmission method, applied to a first terminal device, includes receiving a first message from a second terminal device, determining a first session parameter based on the first message, determining a first session based on the first session parameter, receiving first data from the second terminal device, and sending the first data to a network device using the first session. The first terminal device may determine, based on the first message from the second terminal device, the first session parameter that meets a service requirement of the second terminal device, determine, based on the first session parameter, the first session that meets the service requirement of the second terminal device, and forward data of the second terminal device to the network device using the first session.

Abstract: This application provides an information processing method and apparatus, an electronic device, a computer program product, and a non-transitory computer-readable storage medium. The method includes: obtaining an information stream and a promotion video in response to a user trigger operation, the information stream including at least one piece of media information and the promotion video including at least one material to be recommended; and displaying, at a first area of an information stream interface, a first part of the promotion video in a presentation mode and displaying, at a second area of the information stream interface, a second part of the promotion video in a transparent mode, so as to enable the information stream interface to be revealed through the second area, the first area and the second area being dynamically changing areas.

Abstract: Computer-implemented methods for performing shutdown of a computing system using custom shutdown intervals are provided. Aspects include receiving, by the computing system, a command to shutdown the computing system and issuing a first command to shutdown a first subsystem of the computing system. Aspects also include determining, after a first interval since issuing the first command, that the first subsystem has not shutdown and issuing a second command to shutdown the first subsystem of the computing system, wherein the first interval is obtained from a trained machine learning model.

Abstract: An inversion method of river course depth based on a mathematical model and remote sensing of water depth-water surface area includes the following steps: constructing the first mathematical model; calculating the relation function between the water flowing cross-section area, the triangle area at two sides and the water depth as well as the flow path, and substituting the relation functions into the first mathematical model to obtain the second mathematical model; transforming the second mathematical model into the mathematical model of water level-water surface area; solving the unknowns in the mathematical model, and substituting the unknowns into the second mathematical model to obtain the third mathematical model; and substituting the water surface area extracted by the remote sensing into the third mathematical model to obtain the water depth of the river course.

Abstract: A computer-implemented method includes receiving data records from a plurality of different data sources, in which the data records include information regarding elements or components in one or more systems; consolidating the data records; extracting information from the consolidated data records to identify a plurality of nodes and connections between the plurality of nodes in the one or more systems; storing information identifying the plurality of nodes and the connections; and visually presenting the plurality of nodes and the connections in a user interface.

Abstract: The present invention provides a wafer cleaning method and a method for manufacturing semiconductor device. The wafer cleaning method includes: protonating a cleaning solution with a protonator; cleaning a wafer surface with the protonated cleaning solution so that the cleaned wafer surface carries an amount of negative charge smaller than an amount of negative charge present on a wafer surface that has been cleaned with a non-protonated cleaning solution and is covered with a liquid film of the cleaning solution; and purging the wafer surface with a drying gas to remove the liquid film from a center of the wafer surface towards its periphery. The technique proposed in the present invention is able to desirably suppress static electricity on a wafer surface and effectively reduce device failure that may be caused by static electricity, thereby increasing overall yield of integrated circuit manufacture.

Abstract: An optimization method of shield tunnel starting end reinforcement solution, which specifically includes the following steps: acquiring shield tunnel engineering data and temperature variation curves of thermometer holes; constructing a numerical model with thermal convection and a hydro-thermal coupling numerical model respectively according to the shield tunnel engineering data, wherein a first temperature variation curve and a second temperature variation curve can be obtained after carrying out numerical simulations on the above two models; the influence of seepage on the development law of a temperature field can be obtained by comparing and analyzing the temperature variation curves of the thermometer holes with the first and the second temperature variation curves; and finally the existing freezing solution of the shield tunnel is optimized according to the influence of the seepage on the development law of the temperature field, to ensure safe use of the shield tunnel.

Abstract: A method of modeling a wet etching process and a method of manufacturing a semiconductor device are disclosed. The modeling method includes: establishing partial differential equations of a reaction-diffusion system for chemical reactions involved in the wet etching process which is performed on a wafer surface using a mixed acid solution; obtaining formulas for the chemical reaction functions by applying the Brusselator model thereto; linearizing and expanding the formulas for the chemical reaction functions and thereby determining conditions for developing a chemical clock for the chemical reactions; calculating simulation parameters of the formulas for the chemical reaction functions; determining diffusion coefficients in the spatial diffusion terms, which allow formation of dome-shaped micro-cavities, thereby obtaining a mathematical model of the reaction-diffusion system for the chemical reactions involved in the wet etching process on the wafer surface.