893results about How to "Reduce complexity" patented technology

The embodiment of the invention discloses a 4K splicing processor and a 4K splicing display system. The 4K splicing processor comprises a driving circuit used for processing a 4K resolution signal, the driving circuit comprises an FPGA chip U5, TVS array chips U10, U11, U12 and U13 and DP signal line connectors CN9 and CN10; the model of the U5 is Spartan-6, the models of the U10, the U11, the U12 and the U13 are all RClamp0524P, the CN9 is connected with the U5 through the U10 and the U11, and the CN10 is connected with the U5 through the U12 and the U13; the U5 receives the input 4K resolution signal through the CN9 to process the 4K resolution signal and outputs the processed 4K resolution signal through the CN10 to achieve 4K resolution signal looping. According to the 4K splicing processor and the 4K splicing display system, the problem that 4K splicing display system equipment is complex is solved.

This invention proposes a method for predicting the health status of lithium batteries based on multidimensional features and neural network constant differential equations. The method includes the following steps: S1, preprocessing the capacity data and charging stage operation data collected during lithium battery operation, and constructing features from historical health status data; S2, constructing multidimensional feature inputs for health status prediction based on the charging stage operation data; S3, inputting the multidimensional features into a gated recurrent unit network to fuse and encode the historical health status sequence and constant current charging stage features to obtain a potential feature representation characterizing the battery degradation state; S4, comparing the predicted health status value output by the neural network constant differential equation model with the corresponding actual health status value, calculating the prediction error, and evaluating the prediction accuracy. This application achieves high-precision prediction of lithium battery health status by integrating a multidimensional feature screening mechanism and a continuous-time state evolution modeling method.

This invention provides a rapid rewarming and circulatory support system for frostbite and hypothermia in high-altitude environments, relating to the field of treatment device technology. It includes: a first temperature acquisition module for acquiring and preprocessing the current first ambient temperature, the first frostbitten skin surface temperature, and a first skin surface image; a control module connected to the first temperature acquisition module for analyzing the preprocessed first ambient temperature, the first frostbitten skin surface temperature, and the first skin surface image to determine the corresponding first target temperature and a first target warming rate; and a temperature regulation module connected to the control module for gradually warming the skin to the optimal preset temperature according to the warming rate. This invention achieves dynamic temperature control, continuous protection, and intelligent decision-making for frostbite and hypothermia in high-altitude environments.

This application relates to the field of battery formation and capacity testing equipment technology, and discloses an intelligent control integrated machine and battery production formation and capacity testing equipment. The intelligent control integrated machine includes: a chassis, a bus backplane, a main control board, a control board, a data acquisition board, a communication board, and a power supply board. The main control board, control board, data acquisition board, communication board, and power supply board are all detachably plugged into the chassis, and when plugged into the chassis, they are respectively plugged into the bus backplane. In this application, when the main control board, control board, data acquisition board, communication board, and power supply board are plugged into the chassis and connected to the bus backplane, the connection of each functional board can be quickly and easily realized, reducing the complex wiring and connection between devices, improving the stability and reliability of the system, and reducing the space occupied by the entire control equipment.

The application discloses a kind of based on spot image moment feature telescope primary and secondary mirror calibration method, belong to telescope computer-aided alignment field.The specific steps of the calibration method are as follows, first, randomly give the free degree misadjustment of telescope system secondary mirror, utilize unbiased finite impulse response moment to extract the spot image feature of multiple field of view within reasonable range under the misadjustment state of telescope;Then utilize fully connected neural network to construct the model between the free degree misadjustment of secondary mirror and the multiple field of view spot image feature matrix;In actual use, after the multiple field of view spot image collected by CCD camera is extracted into feature matrix using unbiased finite impulse response, it is input into the trained neural network model to solve the misadjustment of secondary mirror, to guide the alignment of telescope system.This method aims to wavefront sensor as the image quality evaluation benchmark of telescope without, and without multiple iterations, to improve the efficiency of system primary and secondary mirror alignment and the imaging quality of system.

This invention discloses a passive adsorption-selective catalytic reduction (CCR) device for diesel vehicles, comprising an electronically controlled nozzle, a first mixing chamber, a pre-catalytic oxidation-reduction chamber, a second mixing chamber, and a post-catalytic oxidation-reduction chamber arranged sequentially. The first mixing chamber includes a first urea solution inlet, a V-shaped breaker wall, and a W-shaped bottom mixing chamber. The V-shaped breaker wall is fixed to the rear wall of the first urea solution inlet pipe. The W-shaped bottom mixing chamber includes an inner cavity and an outer cavity. The inner cavity wall has staggered array openings, and the inner and outer cavities are connected through these openings. A guide wall structure is connected to the outermost pipe at the end of the first mixing chamber. The CCR chamber is connected to the end of the guide wall, and a three-zone integrated catalyst is located inside the CCR chamber. This invention solves the problems of severe NOx escape during the cold start phase, system complexity, and low-temperature urea crystallization in existing selective catalytic reduction technologies.

The utility model discloses a general vehicle full -color night -vision auxiliary driving system, including multi -objective camera, individual helmet, car machine big screen and panoramic video processor, multi -objective camera all with panoramic video processor electricity is connected with individual helmet, car machine big screen, the multi -objective camera is used for gathering the image of vehicle surrounding environment, individual helmet is provided with head -mounted display, and the head -mounted display of individual helmet is used to present the image of vehicle surrounding environment after the processing of panoramic video processor, car machine big screen is used for presenting the image of vehicle surrounding environment after the processing of panoramic video processor on the vehicle. The utility model solves the problem that the imaging color of traditional vehicle night -vision auxiliary equipment is single, the detail is not clear, cannot provide panoramic visual information, is difficult to effectively integrate with vehicle system, helps the driver to be more accurate in judging the road condition under the night and complex environment, and improves driving safety and convenience.

This invention discloses a method for autonomously constructing an evolvable knowledge graph by integrating a multimodal large-scale model, relating to the fields of artificial intelligence and knowledge graph technology. The method includes: collecting raw multimodal data from text, images, audio, and structured tables; using a pre-trained multimodal understanding large-scale model to perform unified semantic encoding on the raw multimodal data, generating modality-independent deep feature vectors to form an initial multimodal feature pool; performing cross-modal clustering analysis on the vectors in the feature pool, grouping semantically similar vectors into the same feature cluster, with each feature cluster defined as a candidate knowledge concept node; constructing an initial concept relationship network based on the co-occurrence relationship and feature similarity between candidate concept nodes; iteratively optimizing and evolving the network according to preset graph quality evaluation indicators, outputting the final evolvable knowledge graph. This invention achieves the autonomous and unified construction and evolution of a knowledge graph from multimodal data.

The application discloses a SOFC integrated power generation system containing a diesel pretreatment unit, and belongs to the technical field of solid oxide fuel cells. The SOFC integrated power generation system at least comprises a diesel pretreatment unit, a SOFC power generation unit and an intelligent control system. The pretreatment unit converts diesel into high-purity hydrogen-rich gas through desulfurization, denitrification and autothermal reforming processes. The SOFC power generation unit adopts a metal support type stack and realizes efficient power generation in combination with heat management. The intelligent control system can realize real-time monitoring and dynamic adjustment to ensure stable operation of the system. The power generation efficiency of the SOFC integrated power generation system can reach 55% to 58%, the fuel utilization rate reaches more than 90%, and the emission is low. The SOFC integrated power generation system is suitable for distributed power generation, mobile power sources, emergency power sources and automobile fuel cells and the like application scenarios, and has the characteristics of high efficiency, environmental protection and stability.

The present application provides an image processing method, system, device and electronic equipment. The embodiment does not immediately perform image acquisition after receiving an image acquisition request, but first controls the X-ray detector to be in a waiting exposure state and maintains for a period of time (the period of time is from the beginning of the X-ray generator emitting a specified dose of X-rays to the target object to the end of the X-ray generator emitting X-rays according to the specified requirements), and then rapidly acquires the first image and the second image in turn, and finally obtains the target image (simultaneously presenting the information of the thick area and the thin area of the target object) meeting the above image acquisition request based on the first image and the second image, thereby improving the quality of the image such as the high dynamic range of the image.

This application discloses a lidar, a control method, and related equipment, relating to the field of mobile robot control. The lidar includes: a laser emitting component disposed on a rotating body of the lidar, the laser emitting component being used to emit coded laser light, the coded laser light being used for ranging and communication; a photosensitive component disposed on the rotating body, the photosensitive component being used to receive reflected laser light to obtain ranging information, the reflected laser light being the laser light reflected from the coded laser light onto the measured object and then onto the lidar; and an optoelectronic component disposed on the substrate of the lidar, the optoelectronic component being used to receive the coded laser light to obtain communication information.

This utility model discloses an expandable 3D printing device, including a frame, a cylinder transfer guide rail, and a forming cylinder. The frame is equipped with at least two forming stations, one powder cleaning station, and one part removal station. A powder cleaning station and a part removal station are provided between two adjacent forming stations. The cylinder transfer guide rail is fixedly installed on the frame. Each forming station is assigned a corresponding forming cylinder, which is movably mounted on the cylinder transfer guide rail. The forming cylinder can move back and forth along the cylinder transfer guide rail and can move to the part removal station and the powder cleaning station. This utility model has at least two forming stations, one powder cleaning station, and one part removal station installed on the frame. Two adjacent forming stations share one powder cleaning station and one part removal station, reducing the number of auxiliary equipment, lowering equipment costs, reducing equipment footprint, reducing operational complexity, and improving equipment stability.

This utility model relates to the field of energy storage technology and discloses a containerized energy storage system, including a container body. A fire extinguishing agent tank is fixedly connected to the inner wall of the container body. A rigid pipeline is fixedly connected to the output end of the fire extinguishing agent tank. A solenoid valve is fixedly connected to the outer wall of the rigid pipeline. A nozzle is fixedly connected to the output end of the rigid pipeline. A flexible hose is fixedly connected to the inside of the rigid pipeline. A nozzle is fixedly connected to the output end of the flexible hose. A detector is fixedly connected to the outer wall of the rigid pipeline. An explosion-proof fan is fixedly connected to the inside of the container body. In this utility model, through the coordination of the container body, fire extinguishing agent tank, rigid pipeline, solenoid valve, nozzle, flexible hose, nozzle, detector, fire extinguishing interface, and fire extinguishing pipeline, each area can independently detect fire hazards. This not only accurately identifies the source of the fault but also avoids accidental injury during fire extinguishing and reduces maintenance and replacement costs.

This invention provides an active heating method and system for a two-dimensional turntable servo mechanism, belonging to the field of laser communication technology. The method includes acquiring the feedback temperature and motor torque of the azimuth or pitch axis; when the motor torque is zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a first heating power based on the first d-axis current and the electrical control angle; when the motor torque is not zero and the difference between the feedback temperature and the preset temperature is outside the preset temperature range, heating is performed by determining a second heating power based on the second d-axis current and the q-axis current, until the temperature difference returns to the preset range and heating stops. This invention utilizes the heat generated by the motor's own current to replace external heating devices, achieving uniform heating from within, effectively reducing deformation and frictional torque fluctuations in key moving parts caused by temperature gradients, and improving the turning table's pointing accuracy and thermal stability under extreme temperature changes.

The application relates to a ventilation and dehumidification device. The device comprises a shell, a ventilation assembly, a cylinder, a dehumidification assembly and a water storage tank. The shell is provided with an air inlet and an air outlet; the ventilation assembly is arranged in the shell and is used for forming an air flow from the air inlet to the air outlet; the cylinder is connected with the outer side wall of the shell; the dehumidification assembly is arranged in the cylinder and is used for converting water in air into liquid water; and the water storage tank is connected with the side wall of the shell and is communicated with the cylinder. The dehumidification assembly is arranged in the cylinder, the humidity of surrounding air can be reduced, the cylinder and the shell are connected, the dehumidification assembly and the ventilation assembly are integrally arranged, the dehumidification assembly and the ventilation assembly are convenient to assemble and disassemble, and in addition, compared with the case that the water storage tank is not arranged, more liquid water converted by the dehumidification assembly can be stored through the water storage tank, the frequency of water drainage operation is effectively reduced, and the complexity of the water drainage operation is reduced.

The invention discloses a small-size high-efficiency large-current lithium battery active equalization circuit and a control method thereof, the small-size high-efficiency large-current lithium battery active equalization circuit comprises active equalization modules which are connected in parallel between two connected battery cells, and each active equalization module is composed of four switching tubes and a group of resonance branch circuit which is formed by connecting an inductor and a capacitor in series; n-1 active equalization modules are needed for a battery pack composed of N battery cells. The LC series branch serves as an energy temporary storage unit to replace a traditional inductance type single inductor or capacitance type multiple capacitors, the number of elements is reduced, meanwhile, low-loss energy transfer is achieved through resonance characteristics, and the equalization scheme has the advantages of being small in size, large in equalization current, small in equalization energy loss between battery cells, high in efficiency and the like.

The present disclosure relates to a configuration information publishing method and device, electronic equipment and storage medium. The configuration information publishing method comprises: in the case of receiving a configuration information publishing instruction, obtaining a client node that needs to be synchronized with configuration information based on a registration and discovery mechanism of remote procedure call (RPC), and then synchronizing the to-be-synchronized configuration information corresponding to the client node to the client node through a distributed scheduling framework. The configuration information publishing method provided by the present disclosure can reduce the difficulty of system operation and maintenance, and improve the stability and availability of the configuration information publishing system.

The perception-assisted predictive handover method in the high-speed railway tunnel scene of the application belongs to the technical field of wireless communication and intelligent transportation, and the steps include: constructing a bistatic communication and perception integrated architecture, establishing a communication and perception signal model considering double selective channels, deducing a lower bound of Cramer-Rao based on joint time delay-Doppler parameter estimation to establish a perception-assisted location prediction model, designing a three-state predictive handover mechanism based on perception information, and proposing a perception-assisted dual deep Q network algorithm, jointly optimizing handover decision, clamp antenna configuration and power allocation. By integrating perception capability into handover decision, the application realizes predictive switching before signal degradation, significantly improving the handover success rate and communication throughput in the high-speed railway tunnel scene.

The application provides a preparation method of 3,7-dinitro-1,3,5,7-tetraazabicyclononane, comprising the following steps: 1) feeding a first material comprising urea and concentrated sulfuric acid and a second material comprising fuming nitric acid and concentrated sulfuric acid into a microchannel reactor to perform a first-stage nitration reaction, to obtain a first-stage nitration reaction liquid; 2) feeding the first-stage nitration reaction liquid into a first tubular reactor to perform a second-stage nitration reaction, to obtain a second-stage nitration reaction liquid; 3) feeding the second-stage nitration reaction liquid and water into a second tubular reactor to perform a hydrolysis reaction, to obtain a hydrolysis liquid; 4) feeding the hydrolysis liquid and a third material comprising polyoxymethylene and ammonia water into a third tubular reactor to perform a condensation cyclization reaction, to obtain 3,7-dinitro-1,3,5,7-tetraazabicyclononane. The preparation method has the advantages of high safety, less waste pollution and simple operation.

Embodiments of the present application provide a flow control method, device, storage medium and program product. In the embodiments of the present application, in a storage space recycling offloading scenario, the target partition resource is accessed by any one of a first thread and a second thread, the target write speed threshold of the write operation and the target recycling speed threshold of the storage space recycling operation are calculated, the first thread can control the flow of the foreground write operation according to the target write speed threshold, the second thread can control the flow of the storage space recycling operation according to the target recycling speed threshold, and the flow control of the foreground write operation and the storage space recycling operation is realized in the storage space recycling offloading scenario. On the other hand, because only one thread accesses the target partition resource and data such as the target write speed threshold and the target recycling speed threshold, there is no need to increase additional mutual exclusion logic, the code complexity of the flow control can be reduced, and the flow control efficiency can be improved.

This invention relates to a robust image semantic perception adaptive masking transmission method for vehicle-to-everything (V2X) networks, comprising: Step 1: The transmitting end performs semantic analysis on the original input image, extracts high-precision semantic features, and identifies the regions of interest (ROI) and non-ROI regions of interest (NROI); Step 2: A Boolean mask is dynamically generated based on the semantic segmentation result and SNR; Step 3: The ROI features are directly masked based on the Boolean mask; Subsequently, the processed feature map is fed into a semantic encoder to extract multi-scale semantic features; Step 4: Power normalization is performed, dynamic feature encoding is performed, and then the encoded signal is transmitted through a typical analog wireless channel, and noise is superimposed before reception and recovery; Step 5: The receiving end receives the noisy feature signal, performs channel fading compensation and preliminary denoising, and sends the decoded features into a semantic decoder; Through progressive upsampling and multi-level semantic reconstruction, multi-scale features are fused, and finally, a high-quality reconstructed image is recovered and output.

This invention discloses a battery cluster comprising multiple battery packs configured to be electrically coupled to each other and electrically coupled to an external electrical device. Each battery pack includes a charging / discharging circuit, a low-voltage interface, and a high-voltage interface. The multiple battery packs include at least one first-type battery pack and at least one second-type battery pack. The first-type battery pack has a pack-level battery management circuit and a high-voltage switching circuit located in the high-voltage power path. The second-type battery pack does not have a pack-level battery management circuit but includes a battery monitoring circuit. The first-type and second-type battery packs are interconnected such that the same high-voltage power path extends through both, and activating the high-voltage switching circuit of the first-type battery pack interrupts the current flowing through the high-voltage power path. The pack-level battery management circuit communicates with the battery monitoring circuit through the low-voltage interface to obtain measurement information and control at least the high-voltage switching circuit.

The application discloses an LED display control card and a display device, the display control card comprising: a data processing module having a video and image processing unit and an audio processing unit; a video input interface for receiving an external video signal, the video input interface being connected with the video and image processing unit; a first output interface for connecting an LED display screen; a timing control module connected between the data processing module and the first output interface, the timing control module being used for providing a driving signal to the LED display screen; a microprocessor connected with the data processing module and the timing control module; wherein, the microprocessor pre-stores parameter configuration information of the LED display screen corresponding to the LED display control card, and the data processing module and the timing control module process the video signal according to the parameter configuration information to form a required driving signal to drive the LED display screen. The display control card and the display device of the application are not only low in cost, but also compatible with various third-party devices, meeting the requirements of various scenes.

The application relates to the technical field of LED circuit, in particular to a lamp color adjusting circuit with a thyristor light modulation module, which comprises a rectifier circuit, a multi-grade dial code color adjusting circuit, a frequency flash removing circuit, a thyristor current discharge circuit and a constant current light modulation circuit. The rectifier circuit converts an alternating current power supply into a direct current voltage to supply power to a circuit system. The multi-grade dial code color adjusting circuit adjusts the current distribution of LED lamp beads through a dial code switch and a second group of resistors, generates a color adjusting signal, carries out low-pass filtering and dynamic compensation on the color adjusting signal, and outputs a pure control signal to the thyristor current discharge circuit. The thyristor current discharge circuit adjusts a current path according to the control signal to provide a smooth and adaptive power supply for the constant current light modulation circuit. The constant current light modulation circuit realizes constant current output. The design significantly reduces the hardware cost and the complexity of the circuit system, effectively suppresses electromagnetic interference in combination with the low-frequency modulation characteristics of the thyristor, and realizes the balance between light modulation precision and the stability of the circuit system.

A kind of distributed video splicing device, it is related to video splicing technical field, including with several local input modules of external image device connection, with the management module of several local input modules connection, with the output module of management module connection, with the network streaming media input module of management module connection, output module is connected with external display device, local input module includes with the input interface of external image device connection, with the input conversion chip of input interface electrical connection, with the input FPGA of input conversion chip electrical connection, input FPGA is electrically connected with management module, input conversion chip is used to output RGB signal to input FPGA.The technical scheme provided by the utility model aims to realize integrated design, and can solve the technical problem of network streaming media data processing.

The present application relates to anti-slide pile reinforcing technical field, specifically relates to a kind of large-size rectangular broken anti-slide pile reinforcing structure of operating railway line.A kind of "concave" anti-slide pile repair structure of broken pile, including prefabricated steel guard wall, formwork support, embedded part, shear I-beam, steel reinforcement framework, the present application provides a kind of large-size rectangular broken anti-slide pile reinforcing structure with simple structure, convenient construction, good effect, after the stability discrimination safety of potential sliding surface, excavate a "concave" section pile hole in defect pile body and make steel guard wall, "concave" pile inlay shear I-beam and once cast concrete forming, form the inner package of defect pile body, under the premise of guaranteeing normal operation of railway line, realize defect pile reinforcing, prevent pile body defect continue to deteriorate, eliminate landslide instability hidden danger.

This invention relates to the field of lidar technology, and provides an optical phased array lidar optoelectronic module, including a substrate, an optical chip, an electrical chip, and a main control circuit. The optical chip is integrated on the substrate, the electrical chip is packaged on the side of the optical chip away from the substrate, and the main control circuit is integrated on the substrate. The main control circuit and the optical chip are spaced apart and electrically connected. The direct integration of the optical chip and the electrical chip significantly reduces the number of wires and the overall size. The short and consistent trace distance between the optical chip and the electrical chip not only reduces signal attenuation and interference during transmission but also improves signal integrity and transmission efficiency. It helps eliminate signal delay and phase mismatch caused by differences in trace length, solving the technical problems of large size, high trace resistance, and poor consistency between different channels in existing optical phased array lidar optoelectronic modules. This reduces packaging costs and complexity, and improves packaging reliability and stability.

The utility model relates to walnut processing equipment technical field discloses a kind of self-cleaning intelligent walnut green skin step-by-step pressing solid-liquid separation equipment, including rack, the rack right side outer wall is fixedly connected with driving motor, the rack top is fixedly connected with protective housing, the protective housing inside is rotatably connected with screw shaft by bearing, the screw shaft outer wall is fixedly connected with helical blade, the protective housing inside is fixedly connected with filter screen, the driving motor output end and the screw shaft outer wall between are connected by belt pulley, the protective housing top is provided with cleaning assembly, the protective housing outer wall is provided with extrusion component. In the utility model, adopt three-step-by-step pressing structure, through the design of screw shaft diameter increment and helical blade pitch decrease, gradually enhance pressing pressure, fully extrude walnut green skin material. After juice is efficiently separated by filter screen, juice extraction rate is significantly improved, and residue dryness is greatly reduced, to ensure that juice extraction is complete.