Abstract: The present invention provides a charging method and charging device for a battery. The charging method comprises the following steps: (1) on the basis of charging time T and a preset first mapping table, determining an average charging rate Ca, an initial charging rate C1, and a termination charging rate CT; on the basis of the preset number n of battery cycles, determining charging time t and a rate increase amplitude I of a signal charging rate; and (2) on the basis of the initial charging rate C1, the termination charging rate CT, and the charging time t and the rate increase amplitude I of the signal charging rate, determining a charging combination scheme.

Abstract: This application relates to a secondary battery and an electric apparatus. The secondary battery includes a positive electrode plate and a positive electrode tab connected to the positive electrode plate, where the positive electrode tab includes a first current collector and an overcharge prevention layer, the overcharge prevention layer is disposed on a surface of the first current collector, and the overcharge prevention layer includes an overcharge prevention additive. The secondary battery can improve cycle performance while ensuring overcharge protection.

Abstract: This disclosure provides a battery cell, a battery, and an electric apparatus. The electric apparatus includes the battery, where the battery includes a battery cell, and the battery cell includes an electrode assembly, a first electrode terminal, a first adapter, and a heat-insulating structure. The electrode assembly includes a body portion and a first tab provided on the body portion. The first adapter is conductively connected to the first tab and the first electrode terminal. At least a portion of the heat-insulating structure is provided on a side of the first adapter facing the body portion, so that the first adapter can be isolated from the body portion, mitigating the issue of contact between the first adapter and the body portion, thereby mitigating the issue of the first adapter scorching or melting a separator of the body portion and causing a short circuit in the electrode assembly.

Abstract: A method can include accessing data for a number of reservoir sites, where the data include at least property data for reservoir properties; performing a determination, using the property data for the reservoir sites, as to whether the reservoir properties for the reservoir sites are independent; responsive to the determination, implementing a Sobol' indices technique or a Kucherenko indices technique to generate global sensitivity analysis results that include property indices for the reservoir properties; generating confidence intervals for the property indices; and generating a graphical user interface for rendering the property indices with the confidence intervals for a number of the reservoir properties.

Abstract: A method of detecting safe and other states of battery while electric vehicle is being driven controls an inverter to generate ripple current on the battery; ripple voltages of a plurality of battery cells are measured, voltage phase shifts between the battery cells are calculated. The battery can be analyzed as normal or otherwise according to the voltage phase shift between plurality of the battery cells. A vehicle-mounted device and a non-volatile storage medium therein, for performing the above-described method, are also disclosed.

Abstract: This application discloses a data processing method and apparatus, an electronic device, and a storage medium. When execution is performed at an operation layer of a neural network model, based on a pre-stored buffer allocation relationship, a first address range for cyclic addressing is set for a first buffer corresponding to input data and a second address range for cyclic addressing is set for a second buffer corresponding to an output result. Subsequently, cyclic addressing can be performed in the first buffer based on the first address range for cyclic addressing, to read the input data for the operation layer; and cyclic addressing can be performed in the second buffer based on the second address range for cyclic addressing, to write the output result of the operation layer into the second buffer. In this way, efficiency of buffer utilization can be effectively improved, and further operation efficiency for the model is improved.

Abstract: A battery thermal management system and method are provided. The system includes: a battery, a battery thermal exchange structure, a pump, at least one first valve and one or more thermal adjustment components, wherein the battery thermal exchange structure includes a thermal exchange channel passing through the battery, and has a first port and a second port; a first coolant circulation loop is formed via connecting the pump and the battery thermal exchange structure, and a second coolant circulation loop is formed via connecting the pump, the battery thermal exchange structure and the one or more thermal adjustment components; the first valve is set at each or one of two joint locations between the first coolant circulation loop and the second coolant circulation loop and is configured to direct coolant flowing through the first valve into either the first coolant circulation loop or the second coolant circulation loop.

Abstract: A Method, apparatus, device, and storage media for image processing are provided. The method include: acquiring a set of image sequences, the set of image sequences including a plurality of image sequences; determining a first similarity measurement between image sequences in the set of image sequences; dividing the set of image sequences into one or more subset of image sequences based on a first similarity measurement; and determining, in each subset of image sequences, degrees of correlation between images in one image sequence of the subset of image sequences and images in other image sequences of the subset of image sequences.

Abstract: An automatic guided vehicle (AGV) comprising a mobile base including a drive train and configured to drive the AGV in a self-navigation mode within a facility, a first camera configured to capture first image data of objects within the facility, a second camera configured to capture second image data of objects within the facility, the second camera including a content filter, and a main control module configured to receive the first and second image data from the first and second cameras. The main control module executes a recognition neural network program. The neural network program recognizes targets in the first image data. The main control module also executes a supervisor program under user control. The supervisor program is receives the second image data and recognizes markers attached to targets in the second image data. The supervisor program produces a supervised outcome in which targets to which markers are attached are associated with categories based on user commands.

Abstract: A battery heating device of an electric vehicle, a battery heat adjustment method, a storage medium, and an electronic device are provided. The device includes a battery heating circuit, an engine cooling circuit and a three-way valve. The three-way valve connects the battery heating circuit and the engine cooling circuit to mix a first liquid in the engine cooling circuit and a second liquid in the battery heating circuit, and transmits a mixed liquid to the battery heating circuit to heat a battery in the battery heating circuit. By means of the disclosure, the problems of large overall weight and packaging space of a system caused by the use of a heat exchanger and high manufacturing cost in a conventional art are solved, the overall weight and packaging space of the system are reduced, additional components are reduced, and the cost is reduced.

Abstract: A vehicle-mounted device for detecting battery state comprises a controller, a load unit, and a switch unit. The load unit is coupled to the battery, the switch unit is coupled between the battery and the load unit. The controller can control the switch unit to disconnect or connect the battery and the load unit at a predefined frequency. The controller can switch the load unit to generate ripple voltage on the battery, and measure the ripple voltage of each battery cell, an abnormal state of a battery can be determined according to the ripple voltage of each battery cell.

Abstract: A vehicle-mounted device for detecting battery state comprises a controller, a load unit, and a switch unit. The load unit is coupled to the battery, the switch unit is coupled between the battery and the load unit. The controller can control the switch unit to disconnect or connect the battery and the load unit at a predefined frequency. The controller can switch the load unit to generate ripple voltage on the battery, and measure the ripple voltage of each battery cell, an abnormal state of a battery can be determined according to the ripple voltage of each battery cell.

Abstract: A method and an apparatus for processing an image are provided. The method may include: acquiring a set of image sequences, the set of image sequences including a plurality of image sequence subsets divided according to similarity measurements between image sequences, each image sequence subset including a basic image sequence and other image sequence, wherein a first similarity measurement corresponding to the basic image sequence is greater than or equal to a first similarity measurement corresponding to the other image sequence; creating an original three-dimensional model using the basic image sequence; and creating a final three-dimensional model using the other image sequence based on the original three-dimensional model.

Abstract: A method of detecting safe and other states of battery while electric vehicle is being driven controls an inverter to generate ripple current on the battery; ripple voltages of a plurality of battery cells are measured, voltage phase shifts between the battery cells are calculated. The battery can be analyzed as normal or otherwise according to the voltage phase shift between plurality of the battery cells. A vehicle-mounted device and a non-volatile storage medium therein, for performing the above-described method, are also disclosed.

Abstract: A thermal management system includes a refrigerant loop, a motor coolant loop, and a battery coolant loop. The refrigerant loop includes a first refrigerant main-line, a second refrigerant main-line, a first refrigerant branch, and a second refrigerant branch. The first refrigerant main-line includes a compressor, the second refrigerant main-line includes a cabin condenser, the first refrigerant branch includes a cabin evaporator, the second refrigerant branch includes a radiator. The first refrigerant main-line and the second refrigerant main-line selectively communicate with one of the first and second refrigerant branches. The battery coolant loop includes a coolant main-line, a first coolant branch connected to the cabin evaporator, a second coolant branch connected to the cabin condenser, and a third coolant branch. The coolant main-line selectively communicates with at least one of the first to third coolant branches. The battery coolant loop connects to the motor coolant loop in series or in parallel.

Abstract: In a device including a processor and a memory, the memory includes executable instructions that, when executed by the processor, cause the processor to control the device to perform functions of receiving an access control setting for granting access to an access-controlled resource and a dynamic tag characterizing a member group subject to the access control setting; accessing a data source storing member data including an attribute associated with each member, the attribute including a parameter related to a time or time period. The dynamic tag is mapped to the member data based on (1) the parameter of the attribute and (2) a time or time period associated with the dynamic tag, to identify mapped members forming the member group, wherein the mapped members identified based on a same dynamic tag vary depending on the time or time period associated with the dynamic tag, to identify the member group.

Abstract: A thermal management system includes a refrigerant loop, a motor coolant loop, and a battery coolant loop. The refrigerant loop includes a first refrigerant main-line, a second refrigerant main-line, a first refrigerant branch, and a second refrigerant branch. The first refrigerant main-line includes a compressor, the second refrigerant main-line includes a cabin condenser, the first refrigerant branch includes a cabin evaporator, the second refrigerant branch includes a radiator. The first refrigerant main-line and the second refrigerant main-line selectively communicate with one of the first and second refrigerant branches. The battery coolant loop includes a coolant main-line, a first coolant branch connected to the cabin evaporator, a second coolant branch connected to the cabin condenser, and a third coolant branch. The coolant main-line selectively communicates with at least one of the first to third coolant branches. The battery coolant loop connects to the motor coolant loop in series or in parallel.

Abstract: Disclosed are a method and apparatus for processing an image, an electronic device and a storage medium. A specific implementation comprises: acquiring a matching association relationship of a feature point in each to-be-modeled image frame in a to-be-modeled image frame set, a plurality of to-be-modeled image frames in the to-be-modeled image frame set belonging to at least two different to-be-modeled image sequences; determining a first feature point set of the each to-be-modeled image frame based on the matching association relationship, the first feature point set including a first feature point, and the first feature point matching a corresponding feature point in a to-be-modeled image frame in a different to-be-modeled image sequence; and selecting, based on a number of the first feature point in the first feature point set in the each to-be-modeled image frame, a to-be-modeled image frame from the to-be-modeled image frame set for a three-dimensional reconstruction.

Abstract: Provided is a battery heating system, a battery device and an electric vehicle. The battery heating system includes: a battery pack having multiple battery cells; a plurality of heating resistors, each heating resistor is connected to a corresponding battery cell and is configured to heat the connected battery cell; a switching circuit, which is connected to each battery cell and each heating resistor; a controller, which is connected to the switch circuit and is configured to select one or more battery cells for discharging and one or more battery cells to be heated from the plurality of battery cells according to the temperature and/or energy of each battery cell, and control switches in the switching circuit to switch on/off, so that the current of the one or more battery cells for discharging flows through the corresponding heating resistor to heat the one or more battery cells to be heated.

Abstract: In a communication device including a processor and a computer-readable medium, the computer-readable medium includes instructions for performing receiving a text input composing a message, the text input including a word characterizing a recipient group; transmitting the text input to a server; receiving, from the server, feedback data indicating that the recipient group for the message has been identified; in response to receiving the feedback data, providing an indication that the recipient group for the message has been identified; receiving a user input requesting to send the message to the identified recipient group; and in response to receiving the user input, transmitting, to the server, a request to send the message to the identified recipient group.