Abstract: To obtain a global optimal navigation track, a contour line matching method based on sliding window data backtracking includes the steps of determining sliding window parameters according to the calculation performance of a real-time multi-task operating system and aided navigation precision requirements, constructing a sliding window data backtracking framework by using historical physical field value matching data, obtaining a rotation transformation matrix from an indication track point set to a closest reference point set by adopting a matrix eigenvalue and eigenvector decomposition method, and moving a sliding window and performing forward and reverse cyclic matching to achieve a global track constraint, thereby improving the matching precision and robustness.

Abstract: The present disclosure provides a chip packaging structure including at least one chip packaging unit. The chip packaging unit includes a flexible substrate and a rigid substrate. The flexible substrate includes a first flexible substrate body, and a plurality of input pads and a plurality of output pads arranged on the first flexible substrate body, wherein the input pads and the output pads are connected in one-to-one correspondence. The rigid substrate includes a rigid substrate body and a chip arranged on the rigid substrate body, wherein the rigid substrate is bonded to a drive printed circuit board of a display device. Two opposite sides of the flexible substrate are respectively bonded to the rigid substrate and a display panel of the display device. The plurality of input pads are electrically connected to the chip, and the plurality of output pads are configured to transmit signals to the display panel.

Abstract: The invention provides method and device for battery state-of-charge (SOC) estimation. The method comprises establishing an electrochemical model for a battery; setting an initial value of the current SOC of the battery, and determining an initial distribution of solid-phase lithium ion concentrations in the electrochemical model according to the initial value of the SOC; performing a charge/discharge test on the battery, collecting measured voltage and current of the battery after a first time interval; calculating an output voltage and a distribution of the solid-phase lithium ion concentrations at a current acquisition time based on the measured current and the initial distribution of the solid-phase lithium ion concentrations; and when a voltage difference between the output voltage and the measured voltage is within a preset range, estimating the current SOC value of the battery based on the distribution of the solid-phase lithium ion concentration at the current acquisition time.

Abstract: The invention provides an apparatus and a method for managing an energy storage power station. The apparatus includes: a first main control module communicatively connected with a battery cluster management unit (BCMU) for collecting battery information of the first priority in an energy storage power station system, and performing protection and control on the energy storage power station system according to the battery information of the first priority; and a second main control module communicatively connected with the first main control module and the BCMU, respectively, for collecting battery information of the second priority in the energy storage power station system. The second main control module operably transmits the collected battery information of the second priority to the first main control module. The first main control module operably manages the battery information of the first priority and the battery information of the second priority in a unified manner.

Abstract: The invention provides methods, devices and non-transitory tangible computer-readable storage media for estimating a state of charge of a battery and extracting a charging curve of the battery. The method for estimating the state of charge of the battery includes estimating a first state of charge of the battery; determining a charging curve that conforms to the present charging scenario, wherein the present charging scenario is characterized by at least one of parameters including an ambient temperature, a charging rate, an internal resistance, a state of health, a lifespan, and an open circuit voltage of the battery; and correcting the first state of charge according to the charging curve to obtain a final state of charge of the battery.

Abstract: The invention provides a method, a system and a terminal device for analyzing states of battery packs in a battery cluster. The method includes acquiring cell voltages of each battery pack in the battery cluster within a preset time; performing data cleaning on the acquired cell voltages; calculating a voltage standard score of each cell based on the cell voltages after data cleaning; calculating a mean value and a standard deviation of said voltage standard score; for each battery pack, plotting scattered points based on the mean value and the standard deviation, and performing closed curve fitting to the scattered points to obtain a closed curve; and analyzing the state of the battery pack based on the closed curve.

Abstract: The invention provides methods, systems and terminal devices for analyzing a state of a battery pack based on cell parameters thereof. The method comprises acquiring cell voltages of each cell and total voltages of the battery pack within a preset time; performing data cleaning on the cell voltages and the total voltages of the battery pack; calculating a voltage standard score of the cells based on the cell voltages after data cleaning, and calculating a voltage standard score of the battery pack based on the total voltages after data cleaning; and performing a time-domain analysis on the voltage standard score of each cell and/or the voltage standard score of the battery pack.

Abstract: The present disclosure provides a display substrate and a display device, including a display area and a non-display area on at least one side of the display area; and a plurality of touch signal lines in the display area as well as a plurality of groups of touch selection circuits, a plurality of groups of load compensation circuits and a plurality of touch pads in the non-display area. The load compensation circuits are connected with the touch selection circuits, one group of touch selection circuits is electrically connected with one touch pad and at least two touch signal lines, and one group of load compensation circuits and one group of touch selection circuits connected with each other are electrically connected with one same touch signal line, and are arranged side by side in a vertical direction of the touch signal line.

Abstract: The present disclosure provides a chip packaging structure including at least one chip packaging unit. The chip packaging unit includes a flexible substrate and a rigid substrate. The flexible substrate includes a first flexible substrate body, and a plurality of input pads and a plurality of output pads arranged on the first flexible substrate body, wherein the input pads and the output pads are connected in one-to-one correspondence. The rigid substrate includes a rigid substrate body and a chip arranged on the rigid substrate body, wherein the rigid substrate is bonded to a drive printed circuit board of a display device. Two opposite sides of the flexible substrate are respectively bonded to the rigid substrate and a display panel of the display device. The plurality of input pads are electrically connected to the chip, and the plurality of output pads are configured to transmit signals to the display panel.

Abstract: The present disclosure provides a display substrate and a display device, including a display area and a non-display area on at least one side of the display area; and a plurality of touch signal lines in the display area as well as a plurality of groups of touch selection circuits, a plurality of groups of load compensation circuits and a plurality of touch pads in the non-display area. The load compensation circuits are connected with the touch selection circuits, one group of touch selection circuits is electrically connected with one touch pad and at least two touch signal lines, and one group of load compensation circuits and one group of touch selection circuits connected with each other are electrically connected with one same touch signal line, and are arranged side by side in a vertical direction of the touch signal line.

Abstract: The present disclosure discloses a touch panel, a driving method thereof and a display device. A touch signal multiplexer is adopted to load touch signals to touch signal lines, and one pad is at least correspondingly electrically connected with two touch signal lines; in addition, a load compensation circuit is set; and while the pad loads the touch signals to one of the touch signal lines electrically connected with the pad, the load compensation circuit loads compensation signals to other touch signal lines electrically connected with the pad without the loaded touch signals.

Abstract: This application provides a method for determining a charger, a related device, and a system. The method includes: detecting, by an electronic device, a charging current output from a charger; when amplitude values of the charging current are a sequence of variable current, quantifying the current sequence into a binary sequence; determining whether the quantified binary sequence is the same as a prestored binary sequence; and when the quantified binary sequence is different from the prestored binary sequence, outputting prompt information indicating that the charger is a non-standard configuration charger. According to the present invention, whether the charger is a standard configuration charger is determined. This manner is simple and convenient. In addition, no specific device detection module needs to be disposed on the charger.

Abstract: A mobile terminal and a display method are disclosed. The mobile terminal, including an enclosure, a display module, and one or more devices. The display module includes a first display region and a second display region. Both the first display region and the second display region are capable of displaying information. At least one of the one or more devices is disposed between the display module in the second display region and the enclosure. At least one of the one or more devices is capable of transmitting and/or receiving an optical signal through the display module. At least one transparent display region is disposed, so that a device disposed in the region is allowed to transmit and receive an optical signal through the display module. The mobile terminal integrates non-transparent display and transparent display functions.

Abstract: The present disclosure discloses a driving method and device of a touch display panel. The driving method includes: acquiring image data of an image to be displayed; judging whether the acquired image data is a reloaded picture with a default polarity mode; performing polarity adjustment on the image data when judging that the image data is a reloaded picture with a default polarity mode; and driving the touch display panel to display image according to the image data after polarity adjustment. Wherein the default polarity mode includes: the polarities of image data corresponding to each two adjacent data lines are opposite, while the polarities of image data corresponding to the same data line are the same.

Abstract: A pen, a method for detecting a pen, and a touch system are disclosed. The pen is configured to operate on a touch panel. The pen includes a controller, a transmitting electrode, and a receiving electrode. The transmitting electrode and the receiving electrode are at different positions of the pen. The receiving electrode is configured to receive a first signal transmitted by the touch panel and transmit the first signal to the controller. The controller is configured to receive the first signal, determine an inclination angle between the pen and the touch panel according to a signal amount of the first signal, generate a second signal by using an encoding format corresponding to the inclination angle, and transmit the second signal to the transmitting electrode. The transmitting electrode is configured to receive the second signal and transmit the second signal to the touch panel.

Abstract: A developing device and a developing method of substrate are provided. The developing device comprises: a conveying platform and a spraying mechanism disposed above the conveying platform; the spraying mechanism comprising a spraying pipe; a plurality of first nozzles and a plurality of second nozzles disposed on the spraying pipe. The conveying platform is used for conveying a substrate, and tilting the substrate with respect to the horizontal direction during a conveying process. The first nozzles are used for spraying a chemical solution onto the substrate continuously; the second nozzles are used for starting or ending spraying the chemical solution onto the substrate according to a predetermined spray density.

Abstract: An electronic pen and a tilt handwriting adjustment method thereof, a tilt handwriting adjustment system and an adjusting method thereof are provided. The electronic pen includes a pen body, a detector and a processor provided within the pen body. The detector is configured to detect a tilt angle of the pen body with respect to a writing plane, and output a corresponding detection parameter value; and the processor is configured to acquire the detection parameter value, and generate and output a driving signal according to the detection parameter value, and a characteristic parameter value of the driving signal corresponds to the tilt angle.

Abstract: The present disclosure discloses a driving method and device of a touch display panel. The driving method includes: acquiring image data of an image to be displayed; judging whether the acquired image data is a reloaded picture with a default polarity mode; performing polarity adjustment on the image data when judging that the image data is a reloaded picture with a default polarity mode; and driving the touch display panel to display image according to the image data after polarity adjustment. Wherein the default polarity mode includes: the polarities of image data corresponding to each two adjacent data lines are opposite, while the polarities of image data corresponding to the same data line are the same.

Abstract: The present disclosure discloses a touch panel, a driving method thereof and a display device. A touch signal multiplexer is adopted to load touch signals to touch signal lines, and one pad is at least correspondingly electrically connected with two touch signal lines; in addition, a load compensation circuit is set; and while the pad loads the touch signals to one of the touch signal lines electrically connected with the pad, the load compensation circuit loads compensation signals to other touch signal lines electrically connected with the pad without the loaded touch signals.