Abstract: An electrical apparatus and a method for controlling heating thereof are disclosed. Before detecting a mobile electrical apparatus is in operation, the electrical apparatus may first receive input for a driving heating mode selected by a user. The driving heating mode corresponds to an enablement of a heating function is allowed or an enablement of a heating function is to be allowed. Thus, the battery heating function may be enabled or disabled according to the operating parameters of the battery and the motor based on the current driving heating mode. Further, a heating mode that matches the electrical apparatus may be selected based on usage habits and the current driving environment of the electrical apparatus for heating the battery. Further, the example methods avoid ineffective heating increased by manually controlling a battery self-healing function and the resulting high energy consumption in related technologies.

Abstract: A charging/discharging apparatus, a method for charging a battery and a charging/discharging system, the charging-and-discharging apparatus including a bidirectional AC/DC converter, a first DC/DC converter, and a control unit, where the first DC/DC converter is a bidirectional DC/DC converter; and where the control unit is configured to: receive a first charging current sent by a BMS of a battery, control the bidirectional AC/DC converter and the first DC/DC converter according to the first charging current to charge the battery through an AC power; receive a first discharging current sent by the BMS and discharging a power of the battery according to the first discharging current; and receiving a second charging current sent by the BMS and control the bidirectional AC/DC converter and the first DC/DC converter according to the second charging current to charge the battery through the AC power.

Abstract: The described aspects and implementations enable efficient detection and classification of objects with machine learning models that deploy a bird's-eye view representation and are trained using depth ground truth data. In one implementation, disclosed are system and techniques that include obtaining images, generating, using a first neural network (NN), feature vectors (FVs) and depth distributions pixels of images, wherein the first NN is trained using training images and a depth ground truth data for the training images. The techniques further include obtaining a feature tensor (FT) in view of the FVs and the depth distributions, and processing the obtained FTs, using a second NN, to identify one or more objects depicted in the images.

Abstract: An imaging lens assembly includes three lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element and a third lens element. Each of the three lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side. The object-side surface of the second lens element is concave in a paraxial region thereof. At least one surface of at least one lens element in the imaging lens assembly has at least one inflection point.

Abstract: A regulation circuit may include: a battery side, configured to be connected to the battery; a bus side, configured to be connected to an external power supply; a power module, configured to regulate a voltage and connected between the battery side and the bus side; and a control switch group. The control switch group includes: a first control switch, connected between the bus side and the power module; a second control switch, connected between the first control switch and the battery side; and a third control switch, connected between the power module and the battery side.

Abstract: A semiconductor device structure is provided. The semiconductor device structure includes a substrate including a base and a fin structure over the base. The fin structure includes a nanostructure. The semiconductor device structure includes a gate stack over the base and wrapped around the nanostructure. The gate stack has an upper portion and a sidewall portion, the upper portion is over the nanostructure, and the sidewall portion is over a first sidewall of the nanostructure. The semiconductor device structure includes a first inner spacer and a second inner spacer over opposite sides of the sidewall portion. A sum of a first width of the first inner spacer and a second width of the second inner spacer is greater than a third width of the sidewall portion as measured along a longitudinal axis of the fin structure.

Abstract: A wireless communication method for use in a wireless terminal is disclosed. The wireless communication method comprises receiving, from the wireless network node, a second signal based on a quasi-co-location assumption of a first signal when at least one event occurs, wherein the first signal and the second signal overlap in at least one time unit.

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 disclosure relates to a semiconductor memory device and a fabricating method thereof, and the semiconductor memory device includes a substrate, bit lines, plugs and a spacer structure. The bit lines are separately disposed on the substrate, and the plugs are also disposed on the substrate to alternately arrange with the bit lines. The spacer structure is disposed on the substrate, between each of the bit lines and each of the plugs. The spacer structure includes a first air gap layer, a first spacer and a second air gap layer, and the first air gap layer, the first spacer and the second air gap layer are sequentially stacked between sidewalls of the bit lines and the plugs. Therefore, two air gap layers may be formed between the bit lines and the storage node contacts to improve the delay between the resistor and the capacitor.

Abstract: A device communication method includes: establishing, by an electric device, a communication connection with a charging device; and performing, by the electric device, a function negotiation with the charging device through the communication connection. A service function of the function negotiation includes a charging and discharging function and/or a discharging function.

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: Embodiments of the present application provide a traction battery charging and discharging circuit, a system and a control method and a control device therefor. The traction battery charging and discharging circuit comprises a power module, a heating module, and a regulating switch assembly. The heating module comprises an energy storage element and a switch module. The power module comprises at least a first traction battery and a second traction battery. The regulating switch assembly comprises a plurality of switches, and is connected to the power module and the heating module. The regulating switch assembly is configured to connect the first traction battery to the second traction battery in series or in parallel in response to a regulation signal.

Abstract: The present application provides a multi-controller system and a coding method thereof, an electrical apparatus, a control device, a computer-readable storage medium, and a computer program product. The multi-controller system includes a master controller, a first slave controller and a second slave controller, the master controller being connected to the first slave controller through a first trigger signal line, and the first slave controller and the second slave controller being connected through a second trigger signal line; the master controller is configured to: send a first trigger signal to the first slave controller through the first trigger signal line, and code the first slave controller; the first slave controller is configured to: send a second trigger signal to the second slave controller through the second trigger signal line in response to receiving the first trigger signal, so that the second slave controller is able to be coded.

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: A machine learning-based method for designing a high-strength high-toughness steel, including: (S1) obtaining data and filling in missing parts to form a data set; (S2) selecting feature data in the data set to form a standard data set; (S3) constructing two machine learning models of the high-strength high-toughness steel; (S4) completing training after the two models are evaluated to be qualified; (S5) finding frontier points, drawing a Pareto front, and distinguishing a known region and a feature space; (S6) in the feature space, setting a step for the feature data, drawing a grid space, and performing multiple training predictions on each grid point by using the models, to obtain predicted Gaussian distributions of two objectives; and (S7) searching for an expected improvement point through an efficient global optimization algorithm, and obtaining design parameter values of corresponding features.

Abstract: A charging and discharging control method and apparatus, a device, and a storage medium are disclosed. The method is applied to a charging system, the charging system comprising at least two charging devices that are separately connected to batteries. The method comprises: determining, when at least one of the at least two batteries requests to be discharged, a discharging path for the battery requesting to be discharged according to charging and discharging parameters of batteries currently connected. The method autonomously controls the discharging path based on the charging and discharging parameters of the batteries, which helps to shorten the discharging path so that the power discharged from batteries requesting to be discharged at the same moment can be directly charged through the DC bus into the batteries requesting to be charged, thus enabling the conversion path for that part of power to be very short and improving the charging efficiency.

Abstract: A touch control structure includes a plurality of touch signal lines in a peripheral area. A respective touch signal line includes a double-layer structure in a double-layer region and a single-layer structure in a single-layer region. The peripheral area includes a first sub-area on a first side, a second sub-area on a second side, a third sub-area on a third side, a fourth sub-area on a fourth side, of the touch control area. The first sub-area includes a side region, and one or more corner regions. The double-layer region and the single-layer region are in the first sub-area, the first sub-area has a first shortest width along a direction from the touch control area to the first sub-area, the first shortest width is greater than a shortest width of at least one of sub-areas of the peripheral area other than the first sub-area.

Abstract: The present disclosure belongs to the technical field of heat exchangers, and provides a heat exchanger based on a Gyroid/Diamond (GD-type) hybrid minimal surface-based disturbance structure. The heat exchanger includes a core, headers, and flanges. The core includes a cold fluid channel and a hot fluid channel, the cold fluid channel and the hot fluid channel are separated by a parting sheet. An inlet and an outlet of the cold fluid channel are separated from an inlet and an outlet of the hot fluid channel by sealing bars. A GD-type hybrid minimal surface-based disturbance structure is inserted into the hot fluid channel. A cold fluid and a hot fluid are distributed in a cross-flow manner.

Abstract: The present application provides a motor control device, a drive device and an electric apparatus. The motor control device comprises a case in which a motor inverter, a heating power module and an absorption capacitor are housed; each inverter power module in the motor inverter is connected to a motor multiphase interface; the heating power module is connected to a motor neutral interface; a positive input end of the heating power module is connected to a first battery-powered positive interface, and a negative input end is connected to a first battery-powered negative interface; two ends of the absorption capacitor are respectively connected to a high-voltage positive terminal and a high-voltage negative terminal of the heating power module; and a second battery-powered positive/negative interface is connected to a positive/negative input end of the motor inverter.

Abstract: The present application discloses a lithium nickel manganate positive electrode material, a preparation method therefor and an application thereof. The lithium nickel manganate positive electrode material has a molecular formula of Li?Ni?Mn2-?M?O4-?/N, where 0.95???1.1, 0.4???0.6, 0.0005???0.02, 0???0.2, M is a single-crystal dispersing element, and M is at least one of V, Nb, Ta, Mo or W; N represents a coating layer, and the coating layer includes a P compound and/or an Al compound, and a coating amount of N is 500-10000 ppm. By means of adding a small amount of a single-crystal dispersing element (V, Nb, Ta, Mo or W), a high-voltage nickel manganese material having good dispersity of single crystals is prepared. By means of uniformly coating the P compound and/or the Al compound to the lithium nickel manganate positive electrode material, the direct contact between the positive electrode material and an electrolyte, is avoided.