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: A display includes a stack that includes, from top to bottom: a display layer including an array of spaced pixels and/or spaced subpixels and an array of spaced transmission spaces, wherein each transmission space is defined by a spacing between a subset of the spaced pixels and/or spaced subpixels; a micro-lens array (MLA) layer including an array of micro-lenses, wherein each micro-lens includes a curved surface; and a laser light emitting (LLE) layer including an array of lasers, wherein the curved surfaces of the micro-lenses face the LLE layer.

Abstract: A method for establishing an electrochemical model for an ion battery is provided. The ion battery includes a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region. The negative electrode region includes a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase. The positive electrode region includes a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase.

Abstract: A shared optic assembly for combined flood and dot illumination modules is disclosed. The shared optic assembly includes a first high-powered VCSEL element for providing a flood beam and a second high-powered VCSEL element for providing a dot beam, where both the first and second VCSEL elements share the same optics and are incorporated onto the same module for space savings.

Abstract: This disclosure describes a Time of Flight (ToF) device leveraging semiconductor Fan-Out Panel Level Packaging (FOPLP) technology. The ToF device comprises a laser, a transmit optical assembly (TxO), a receive optical assembly (RxO), and a time of flight (ToF) sensor. The laser and the ToF sensor are embedded in a first compound. The TxO and the RxO are embedded in second compound that is different than the first compound.

Abstract: An opto-electronic device to distribute an ultra-wide field of illumination is disclosed. In examples, the electronic device includes an optical source to generate light and a diffuser to receive and distribute the light. The diffuser includes a plurality of extensions, each having a reflective surface arranged at an angle to cause total internal reflection of an incident light ray, and an exit surface arranged at an angle relative to the reflective surface and configured to direct the light ray at one or more transmission angles different from an incident angle.

Abstract: An ASIC chip for performing active battery equalization is provided. The ASIC chip for performing active battery equalization includes: a power conversion module, an equalization switch matrix circuit module comprising a power MOS transistor, a switch control module, a temperature protection module, and a communication interface module. By connecting and controlling the above modules, the equalization switch matrix circuit module performs equalization on a battery in the battery pack. That is, the use of the integrated ASIC chip accelerates and facilitates the BMS solution manufacturers adding the active equalization function, and facilitates the BMS Battery management system effectively improving the service performance and life of lithium batteries.

Abstract: A method for establishing an electrochemical model for an ion battery is provided. The ion battery includes a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region. The negative electrode region includes a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase. The positive electrode region includes a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase.

Abstract: Transmission assemblies to project illumination from an edge of an electronic device are disclosed. In some examples, the transmission assemblies include an optical source to generate laser light. An optical focusing element to focus the laser light. And a transmitting optical element is arranged at a bezel proximate an external edge of the electronic device.

Abstract: A display includes a stack that includes, from top to bottom: a display layer including an array of spaced pixels and/or spaced subpixels and an array of spaced transmission spaces, wherein each transmission space is defined by a spacing between a subset of the spaced pixels and/or spaced subpixels; a micro-lens array (MLA) layer including an array of micro-lenses, wherein each micro-lens includes a curved surface; and a laser light emitting (LLE) layer including an array of lasers, wherein the curved surfaces of the micro-lenses face the LLE layer.

Abstract: A computing terminal for parameter identification is provided. The computing terminal includes an FPGA which includes a solid-phase calculating module, a liquid-phase calculating module, and an electrolytic coupling calculating module. At least some of the solid-phase calculating module, the liquid-phase calculating module, and the electrolytic coupling calculating module operate in parallel. Each of the calculating modules is configured to solve a corresponding differential equation to determine a corresponding electrochemical parameter of an electrochemical model. With the computing terminal for parameter identification, the FPGA has a low cost and parallel calculations are achieved at a hardware level, thereby speeding up processing, and improving processing efficiency.

Abstract: A method for rapid battery diagnosis based on edge computing, storage medium and electronic device. The method includes: periodically collecting battery information data from a battery management system at a preset frequency; performing convolution on the battery information data using first-order differential operators to obtain primary convolution results; identifying secondary convolution results that fall outside an underperforming threshold range based on the primary convolution results; and detecting anomalies in the battery information data based on the secondary convolution results and the battery information data. The present disclosed method allows for more precise and rapid processing of battery data on edge devices, enables a quick diagnosis of battery performance, and is easily scalable.

Abstract: An ASIC chip for performing active battery equalization is provided. The ASIC chip for performing active battery equalization includes: a power conversion module, an equalization switch matrix circuit module comprising a power MOS transistor, a switch control module, a temperature protection module, and a communication interface module. By connecting and controlling the above modules, the equalization switch matrix circuit module performs equalization on a battery in the battery pack. That is, the use of the integrated ASIC chip accelerates and facilitates the BMS solution manufacturers adding the active equalization function, and facilitates the BMS Battery management system effectively improving the service performance and life of lithium batteries.

Abstract: Method for analyzing and predicting state of health of a lithium battery includes: collecting battery data within a predetermined time interval, where the battery data comprises at least battery operating time, current, and voltage; determining a target area based on the battery data; establishing a relationship between a cumulative capacity of the target area and the state of health of the battery; correlating the number of cycles in the current state of the battery with the state of health of the battery using the cumulative capacity of the target area and determining a relationship between the number of cycles and the state of health of the battery; and predicting the state of health of the battery in the future according to the relationship between the number of cycles and the state of health of the battery. The method is simple and easy to operate, and practical as well.

Abstract: A heterogeneous computing terminal for task scheduling is provided, including a processing unit and multiple computing units. The heterogeneous computing terminal generates a task scheduling strategy. The target computing unit acquires a target upgrade program, is upgrade based on the target upgrade program, processes a target task and sends a processing result to the processing unit. The processing unit combines processing results sent by multiple target computing units to obtain a processing result of an initial task set. The heterogeneous computing terminal can upgrade the computing unit online, that is, dynamically update the computing unit, thereby greatly expanding the versatility of the computing unit of hardware. Scheduling strategy adapted to the task can be generated, and the computing unit can dynamically provide better task processing capabilities. The computing efficiency of the heterogeneous computing terminal is improved.

Abstract: A laser assembly, such as a flood illuminator, has laser (e.g., VCSEL) emitters on a substrate configured to emit optical signals. An optic structure of optically transparent material, such as a polymer, is formed directly on the substrate, and micro-optic elements are nano-imprinted on the optic structure. The micro-optic elements are arranged in optical communication with the optical signals emitted from the laser emitters to perform field mapping or other optical functions. The laser emitters are on the same surface of the substrate as the optic structure along with electrical contacts so forming the optic structure involves covering the electrical contacts with a protective layer, dispensing a polymer for the optic structure, cutting away portions of the optic structure, removing the remaining protective layer, and exposing the electrical contacts.

Abstract: The invention discloses a method, a system, an electronic device, and a storage medium for determining performance of a power battery. The method includes the following steps: acquiring historical data of the power battery in at least two charging processes; determining, according to historical data in one charging process, a dQ/dV curve and a direct current internal resistance corresponding to said charging process; calculating a relative change rate of internal resistance capacity in any two charging processes; and determining the performance of the power battery according to the relative change rate of internal resistance capacity and a relative change rate of internal resistance capacity range corresponding to fault type. The invention can effectively determine whether the performance of the power battery is abnormal by combining, in the two charging processes, the target peak value of a dQ/dV curve of the power battery and the change in direct current internal resistance.

Abstract: The invention discloses a method, a system, a device, and a medium for detecting a battery state of health. The method includes extracting a target curve segment from a first charging characteristic curve of a battery under test; and determining, according to a corresponding relation between characteristic parameters of the target curve segment and the battery state of health, the battery state of health matching the characteristic parameters of the target curve segment, and determining the battery state of health as the battery state of health of the battery under test. By utilizing said corresponding relation as the calculation basis, the invention improves the reliability and accuracy of the detection of battery state of health detection. The invention also tracks instances of abusive conditions that accelerate battery aging, assessing whether such conditions accelerate battery degradation and issuing warnings accordingly.

Abstract: A hot-plugging edge computing system includes at least an elastic database, a data processing module, and hot-plugging computing modules. The elastic database is configured to store data through an SSD array with a configurable number of SSDs. The data processing module is connected to the elastic database and each of the hot-plugging computing modules, and controls data storage in the elastic database, monitors and assigns a task to each of the hot-plugging computing modules. Each of the hot-plugging computing modules performs data computing based on the corresponding task assigned by the data processing module, and returns a computing result to the corresponding data processing module.

Abstract: A display includes a stack that includes, from top to bottom: a display layer including an array of spaced pixels and/or spaced subpixels and an array of spaced transmission spaces, wherein each transmission space is defined by a spacing between a subset of the spaced pixels and/or spaced subpixels; a micro-lens array (MLA) layer including an array of micro-lenses, wherein each micro-lens includes a curved surface in alignment with a corresponding one of the transmission spaces; and a laser light emitting (LLE) layer including an array laser diodes, wherein each laser diode is positioned in alignment with one micro-lens of the MLA layer and the corresponding one of the transmission spaces of the display layer and the curved surfaces of the micro-lenses face the LLE layer.