29results about How to "Solve problems" patented technology

This utility model provides a method for parallelism testing of eccentric contour parts, comprising: a bakelite handwheel passing through the center of a base; a platform on the top of the base; pin holders on the left and right sides of the top of the platform near the bakelite handwheel; a center pin passing through one side of the pin holder; a dial indicator column connected by bolts to the center of the top of the base away from the bakelite handwheel; a dial indicator on the side of the dial indicator column near the pin holder; a detection mandrel fitted on the left and right sides of the outside of the center pin of the pin holder; the eccentric contour part being held on the detection mandrel; the detection mandrel being fitted on the center pin; the bottom detection head of the dial indicator being pressed against the outer contour of the part to be tested; the pointer on the dial indicator being adjusted to 0; rotating the bakelite handwheel to drive the rack and pinion transmission mechanism to move the platform longitudinally, causing the bottom detection head of the dial indicator to move to the other side of the part; reading the value on the dial indicator; and comparing the value on the dial indicator with the tolerance value to determine whether the parallelism of the eccentric contour part meets the requirements.

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 application provides a metadata intelligent identification method and device based on semi-supervised learning, and the method comprises the following steps: generating a metadata keyword identifier according to a conditional random field, wherein the metadata keyword identifier is used for extracting metadata features corresponding to any identification; acquiring an initial labeled data set, training the metadata keyword identifier according to the initial labeled data set to generate a metadata classifier; acquiring an unlabeled data set, predicting the unlabeled data set according to the metadata classifier to generate a prediction result; generating an intermediate training data set according to the prediction result; cyclically self-training the metadata keyword identifier and the metadata classifier according to the intermediate training data set to obtain a cyclically self-trained metadata classifier; and identifying metadata intelligently according to the cyclically self-trained metadata classifier. Through the application, the problem of low metadata identification construction efficiency in the related art is solved.

This invention belongs to the field of crane fatigue life estimation, specifically relating to a fatigue life prediction method for a K-shaped boom structure with flattened web members based on response surface modeling and S-N curves. The technical solution of this invention is as follows: A finite element model of the truss boom is established and the axial force of each member is calculated; a combination of geometric parameters characterizing the three-dimensional geometry of the K-shaped boom structure is proposed; a three-dimensional finite element model of the K-shaped structure with flattened web members is established to determine the most likely failure hotspots; based on the response surface model, a mathematical relationship is established between the stress concentration factor of the hotspots and the geometric parameters of the K-shaped structure; and combined with the hotspot stress and fatigue life S-N curves, a surrogate model of chord axial force-geometric parameters-fatigue life is established to achieve rapid assessment of the fatigue life of the K-shaped structure. The fatigue life prediction method for a K-shaped boom structure with flattened web members based on response surface modeling and S-N curves provided by this invention can quickly and efficiently predict the fatigue life of a truss crane boom K-shaped structure.

This invention relates to the field of coal washing and processing technology, and discloses a method and computer equipment for integrating a chemical dosing system and a filter press system in a coal preparation plant. The method includes the following steps: the chemical dosing system calculates the target value of the flocculant based on the raw coal quantity and process parameters, and generates the real-time flocculant flow rate by combining turbidity feedback correction. Key parameters are introduced, and the filter press system monitors the concentration pressure, controls operation, and generates an operating sequence. During the low-pressure stage, a follow-up strategy is implemented, using the real-time flocculant flow rate and critical proportionality constant to calculate the target flow rate of the filter aid and adjust the frequency. During the non-low-pressure stage, a feedback strategy is implemented, collecting the effective filter press feeding time according to the operating sequence, comparing it with the standard time, and then performing reverse feedback adjustment to correct the filter aid pump frequency. This invention overcomes the impact of process lag by constructing a segmented closed-loop control logic across systems, achieving dynamic and precise control of the chemicals, improving filter press efficiency and reducing costs while ensuring concentration effects.

This application relates to the interdisciplinary field of deep learning and protein analysis, specifically to a method, apparatus, device, and medium for analyzing multi-target proteins in obesity based on deep learning. The method includes: acquiring biological sample data and preprocessing the biological sample data to obtain preprocessed biological sample data; the preprocessed biological sample data includes protein expression data and obesity classification labels corresponding to the protein expression data; the protein expression data includes multiple protein expression features; constructing an initial deep learning model for analyzing multi-target proteins in obesity based on a multilayer feedforward neural network; training the initial deep learning model based on the preprocessed biological sample data to obtain a deep learning model for analyzing multi-target proteins in obesity; and determining multiple protein expression features related to obesity based on the deep learning model for analyzing multi-target proteins in obesity.

This application relates to an electronic atomizing device, including an atomizing unit, a power supply unit, and a first elastic element. One end of the power supply unit has a mounting position, in which the atomizing unit is at least partially accommodated. The outer wall of the power supply unit has a locking hole communicating with the mounting position. A spring pin is provided on the side wall of the atomizing unit. The first elastic element is located in the mounting position, and the atomizing unit is connected to the power supply unit via the first elastic element. The end of the spring pin can be confined within the locking hole, fixing the atomizing unit in a retracted position and electrically connecting it to the power supply unit. The spring pin can move under external force and disengage from the locking hole, allowing the atomizing unit to move relative to the power supply unit to an extended position under the elastic force provided by the first elastic element. This facilitates the removal of the atomizer from the atomizing unit. Therefore, when replacing the atomizer, compared to the traditional method of forcefully pulling out the atomizer, it is much easier and less strenuous to grasp the atomizer, thus solving the problem of difficulty in replacing the atomizer.

This invention discloses a modular wastewater treatment device with dual anaerobic and aerobic treatment modes, comprising two first conveying pipes and an anaerobic treatment chamber and an aerobic treatment chamber respectively connected to the two first conveying pipes. An aeration chamber is installed between the anaerobic and aerobic treatment chambers. The anaerobic treatment chamber is connected to the interior of the aeration chamber via a second conveying pipe. A collection component is installed on the aeration chamber. An air outlet component is installed inside the aerobic treatment chamber. An inlet pipe connected to the air outlet component is installed outside the aerobic treatment chamber and is connected to the collection component. A turning component is installed inside the anaerobic treatment chamber. A first push shaft is installed on the turning component and is connected to the collection component. A denitrification component and a phosphorus removal component are also connected between the anaerobic and aerobic treatment chambers. The turning component is connected to the aerobic treatment chamber via the phosphorus removal component, and the air outlet component is connected to the anaerobic treatment chamber via the denitrification component.

The utility model provides a hand -held pressure lever type gauge, include: the top of left side of holding block is provided with arc -shaped groove, detection area sets up in the bottom of left side of holding block, the detection head of pressure lever type micrometer dial central wear measurement rod bottom passes through arc -shaped groove and enters detection area, rapid detection pressure lever group sets up in pressure lever type micrometer dial top, fixed type measuring needle group bottom wear in detection area right side wall, fixed type measuring needle group top and detection head contact, when detecting, right hand passes through finger to wear holding hole and holds holding block, right hand thumb presses down pressure block and makes pressure lever type micrometer dial middle measurement rod be lifted, left hand will standard piece cover and put on fixed measuring needle, right hand thumb leaves pressure block measurement rod and falls back naturally because of gravity, detection head and resist standard piece other side, detect whether pressure lever type micrometer dial upper reading and standard piece thickness numerical value one, after calibrating detection is finished, the bearing required detection area of required detection is in turn and resists fixed measuring needle, and constantly presses and lifts pressure block, and fast measurement is carried out.

The utility model discloses an electronic product film pasting device, including cleaning device setting in film pasting machine one side, product positioning device includes respectively with the first track and second track of parallel roller conveying line, first sliding block slidingly arranged on the first track, second sliding block slidingly arranged on the second track, connecting plate connects first sliding block and second sliding block, linear slide platform is connected with second sliding block, first locating seat sets up on first sliding block, second locating seat slidingly arranged on second sliding block, locating cylinder sets up on second sliding block to connect second locating seat, the utility model discloses product positioning device drives product and moves along roller conveying line, makes product in turn through the working range of cleaning device and film pasting machine, then delivers product to the unloading station, makes electronic product not need in the production line and the turnover between film pasting machine, has solved the problem that the existing film pasting machine is not easy and the production line combines, has improved work efficiency, through cleaning device to the cleaning of product, has improved the film pasting quality.

This invention discloses a method for predicting the characteristics of amorphous oxide semiconductor devices based on a hybrid dataset. The method involves constructing a hybrid dataset of drain-source currents for amorphous oxide semiconductor devices and using it to train an artificial neural network model. Device size parameters and voltage parameters are input into the trained artificial neural network model, which outputs predicted drain-source current values. Based on the device's voltage parameters and the corresponding predicted drain-source current values, the electrical characteristics of the amorphous oxide semiconductor device under different device size parameters are predicted. This invention rationally integrates data from different sources within a unified framework, fundamentally resolving the contradiction between insufficient measured data and significant deviations in simulation data in traditional modeling methods. It achieves a data fusion approach of "measured data as the primary source, supplemented by simulation data," making it easier for the neural network to learn electrical laws consistent with real devices, thereby further improving the stability, accuracy, and physical consistency of the prediction model.

The utility model discloses an automatic hydraulic hoisting device for a slag scraper, including the chassis and the scraper, be provided with hydraulic hoisting assembly on the chassis, including support seat, track groove body, sliding block, support frame and hydraulic cylinder in the hydraulic hoisting assembly, and support seat sets up at the top of chassis, and the scraper rotation is connected at the top of support seat, and track groove body sets up on the chassis. The utility model discloses through setting up hydraulic hoisting assembly, and hydraulic cylinder is placed in the placing groove in the hydraulic hoisting assembly, and the output shaft of hydraulic cylinder is active and is attached with sliding block, and through the telescopic push of sliding block of hydraulic cylinder output axle extension to the scraper and is lifted and is reduced, so need not to carry out disassembly through hydraulic cylinder output axle, and after contraction, automatic separation with sliding block, greatly convenient to the disassembly of hydraulic cylinder, and the design of support frame has increased the support area of the scraper.

This disclosure presents an embodiment of a bypass soft starter cabinet for use in central air conditioning systems. The cabinet body includes detachable circuit breaker support frames and controller support frames. Each of the four internal corners of the cabinet's top plate is connected to a lifting column with lifting holes. A load-bearing support frame is connected to the inner side of the cabinet's bottom plate. Ventilation openings are provided on the left and right side panels of the cabinet, and rain covers can be installed over these openings. Door sealing strips are provided around the cabinet doors. Cabinet openings are also provided around their perimeter. A junction box is connected to the outer side of the cabinet's rear panel. This structure can shorten the time spent on installation, repair, or maintenance of the bypass soft starter cabinet, reduce manpower consumption, improve the sealing and protection level of the bypass soft starter cabinet, and reduce the likelihood of deformation and damage during onboard transportation or installation of the central air conditioning system, thus enhancing safety.

This invention provides an artificial intelligence (AI) model security detection system based on adversarial example injection, relating to the field of AI security. The system includes the following modules: an adversarial example generation module for dynamically generating adversarial examples for the AI ​​model; a multi-level injection module for controlling the injection of adversarial examples at each level of the AI ​​model; an adversarial example fusion module for intelligently coordinating the generation and fusion of adversarial examples with physical constraints and those with digital perturbations; a multi-dimensional monitoring module for real-time monitoring of the AI ​​model's output, internal features, and resource consumption; a security assessment module based on a deep metric learning algorithm to output assessment results; and a defense suggestion module to generate defense schemes based on the assessment results. This invention improves the efficiency of AI model security detection and provides reliable technical support for the secure deployment and continuous optimization of AI models.

The utility model discloses a high heat dissipation type combined circuit board connecting structure belongs to electronic circuit packaging technical field, including circuit board, aluminium base plate and glass board, the aluminium base plate partial inlay is in glass board, the surface fixed with a plurality of heat conduction bosses of aluminium base plate, the glass board inside is equipped with a plurality of heat conduction through -hole, and heat conduction through -hole and the heat conduction boss on aluminium base plate correspond inlay, and the heat conduction through -hole is filled with graphene heat conduction glue, the surface of glass board is provided with copper foil wiring area, and the copper foil wiring area is covered with solder resist layer outward. This high heat dissipation type combined circuit board connecting structure, convenient connection has solved the contradiction of traditional circuit board heat dissipation and wiring, is applicable to new energy automobile, industrial power supply and other high heat consumption electronic equipment, has the advantages such as high heat dissipation efficiency, strong reliability, good process compatibility.

The application belongs to the technical field of communication, and discloses a system, a method and a vehicle for transmitting multi-channel audio.The system comprises a control module, a digital audio interface, a digital signal processing module and an automobile audio bus; the control module acquires n pieces of audio data to be transmitted, compresses the n pieces of audio data to be transmitted respectively, obtains n pieces of target audio data, combines the n pieces of target audio data into m data frames, and transmits the m data frames to the digital signal processing module through the digital audio interface, wherein n > m >= 1; the digital signal processing module receives the m data frames, decodes and processes the m data frames, obtains n pieces of audio data, and transmits the n pieces of audio data to the automobile audio bus. Through the above mode, more audio data is transmitted by using a few-channel digital audio interface, the problem of insufficient audio interface is solved, a low-cost SOC chip is applicable to more scenes, and the increasing use demand in the automobile scene is met.

This invention relates to the field of N-(2,4-dinitrophenyl)-4-nitrobenzamide preparation technology, specifically to a green method for preparing nitramide compounds. The method involves adding a catalyst and dispersant to a reactor and mixing them uniformly. Then, a first and a second stream of materials are simultaneously added dropwise to the reactor for reaction. The temperature within the system is controlled during the dropwise addition. After the dropwise addition is complete, the temperature is increased to continue the reaction. After the reaction is completed, N-(2,4-dinitrophenyl)-4-nitrobenzamide is obtained through post-treatment. The first stream is a dispersion containing 4-nitro-N-phenylbenzamide, and the second stream is a nitrating agent consisting of a uniform mixture of N₂O₅ and nitric acid. This preparation method features high product conversion rate, a mild reaction process, safe and controllable production process, effectively reduces the amount of residual intermediates, and minimizes pollution.

This invention provides a residential aggregator-based optimal energy management method, comprising the following steps: constructing an aggregator model, building generalized energy storage models for three types of residential appliances—batteries, HVAC systems, and electric vehicles—and aggregating them into a residential aggregator for centralized management; generating scheduling instructions for the aggregator, in the first decision-making stage, formalizing the optimization control process into a Markov decision process, interacting with the environment based on the Soft Actor-Critic framework, learning the optimal scheduling strategy, and tracking the upper-level power grid scheduling while ensuring operational constraints; decomposing the aggregator's control instructions, in the second decision-making stage, the residential aggregator generates scheduling plans for each appliance through a three-step decomposition algorithm to follow the aggregated power scheduling defined in the first decision-making stage. This invention achieves automated and integrated control of residential energy, improves the integration and intelligence level of the energy system, reduces operating costs, and enhances user comfort.

Embodiments of the present application disclose a data processing method of point cloud data, an object grabbing method and a readable storage medium. The method comprises: obtaining a single deployment of a 3D camera to perform single-frame scanning on a target container, and outputting initial point cloud data and an RGB image; a plurality of objects are stacked in the target container, and when a grabbing operation needs to be performed on a target object in the target container, the target container is placed in a 3D camera acquisition area for single-frame scanning; taking the RGB image as input, calling a three-dimensional information prediction model, segmenting the target object from the RGB image by the model, and performing three-dimensional information prediction on the target object, and outputting predicted point cloud data of the target object; and according to the predicted point cloud data, performing completion processing on part of point cloud data of the target object in the initial point cloud data, obtaining point cloud data of the target object after completion, and realizing intelligent grabbing of the target object based on the point cloud data after completion. The problem of insufficient point cloud data under single scanning of a single camera can be effectively solved.

This invention provides a method for efficiently promoting the maturation of gonads in warm-water shellfish during high-temperature periods. Addressing the problem of low gonad maturity in warm-water shellfish spawn during high-temperature periods, this method utilizes the principle that the feeding, growth, and development of poikilothermic animals are positively correlated with environmental water temperature. Based on the biological characteristics of animals exhibiting compensatory feeding and development, the method promotes rapid gonad development in spawning shellfish through alternating alternating temperature culture (6 hours of low-temperature fasting followed by 18 hours of high-temperature feeding culture daily, repeated in cycles). In just two weeks, over 80% of the scallop gonads can develop from the vacuolar stage to maturity, while only 20% of spawning shellfish in natural sea areas reach maturity. This invention effectively solves the problem of low gonad maturity in the production of warm-water shellfish seedlings during high-temperature periods. Therefore, the method of this invention has the advantages of high efficiency, short processing time, and strong applicability.

This invention discloses a podophyllotoxin-9-fluorenylmethanol small molecule prodrug nanoparticle, its preparation method, and its applications. The podophyllotoxin-9-fluorenylmethanol small molecule prodrug co-assembled nanoparticles are either polyethylene glycol-modified podophyllotoxin-9-fluorenylmethanol small molecule prodrug co-assembled with gossypol, or podophyllotoxin-9-fluorenylmethanol small molecule prodrug co-assembled with gossypol and loaded with hydrophobic fluorescent substances. The podophyllotoxin-9-fluorenylmethanol small molecule prodrug is prepared by linking podophyllotoxin and its compounds with 9-fluorenylmethanol via disulfide bonds. This invention is the first to construct a carrier-free hybrid nanoassembly of gossypol and PPT oxidation-sensitive prodrug. Gossypol-mediated prodrug co-assembled nanoparticles can be used for precision cancer chemotherapy in tumor treatment, precisely achieving PPT "enhancement," improving the therapeutic efficiency of PPT prodrugs, opening an ultra-low-dose chemotherapy window for PPT, and solving the problems of delayed and insufficient prodrug activation.

The utility model relates to a lubricating grease heating device belongs to lubricating grease processing field, including outer seat body, be equipped with heating groove in the outer seat body, support and be equipped with inner seat body in the heating groove, place the oil drum in the inner seat body, be equipped with the sealing structure connected with outer seat body on the inner seat body, be equipped with heating bag in the heating groove, be equipped with water source in the heating groove. The utility model discloses a heating bag is placed in the heating groove, and the water source is heated to heat the oil drum, and it is favorable to improve the flowability of lubricating grease in the oil drum under low temperature environment to facilitate the use of the oil gun to suck the lubricating grease in the oil drum in winter, to solve the problem that the oil gun sucks lubricating grease difficultly in winter.

This utility model belongs to the field of medical devices and discloses a skin test result detection device, including a housing; a take-up roller is rotatably connected to the housing; a measuring tape is wound around the peripheral wall of the take-up roller, one end of the measuring tape is fixed to the peripheral wall of the take-up roller, and the other end of the measuring tape is fixed to a lifting roller placed coaxially with the take-up roller; the measuring tape is made of a transparent flexible material, and the measuring tape has a first scale line and a second scale line that are perpendicular to each other; the first scale line is arranged along the extension direction of the measuring tape; there are multiple second scale lines, all of which are placed coaxially with the lifting roller; the measuring tape in a loose state is tightened so that the measuring tape near the skin test site is in close contact with the limb skin, and the longitudinal diameter of the skin test reaction is measured through the first scale line, and the transverse width is measured through the evenly distributed second scale lines, realizing bidirectional accurate measurement and improving the measurement accuracy of skin test results on the curved surface of the limb.

The application discloses a complex equipment performance open interactive simulation method based on neuron hierarchical reconstruction, and relates to the technical field of physical field simulation.The method comprises the following steps: sparse sensor data is collected by an equipment end through a multi-source sensor array, and high-quality fusion data is generated by fusing real-time working conditions and environmental temperature parameters; a neuron hierarchical reconstruction model is trained based on the data in the cloud, and the physical credibility and continuity of physical field reconstruction are ensured through a conditional neural operator network and an implicit neural representation network; the model is deployed to an edge computing node after compression, and the millisecond-level real-time response requirement is met; a stream computing layer gathers data in real time and triggers model updating, and online evolution is realized in the cloud through a double-track time-sharing collaborative strategy, so that long-term service reliability is ensured; and an open interface is constructed on the terminal side, and human-machine collaborative performance analysis is realized.The application simulates and analyzes a physical field based on a hierarchical neural reconstruction method, and realizes open interactive simulation of equipment performance in combination with a cloud-stream-edge-end framework.

This application discloses a data augmentation method and apparatus for a multi-task model, a training method and apparatus for a multi-task model, an equipment, and a computer program product. The method includes: acquiring raw point cloud data, including the 3D bounding box of a target object and its corresponding semantic label data; dividing the 3D bounding box of the target object into multiple parts based on the raw point cloud data using a differentiated partitioning strategy, obtaining the 3D bounding boxes of multiple parts corresponding to the target object and the point cloud data contained in each part, thereby constructing a mapping relationship between the point cloud data in each part and the semantic label data; and enhancing the point cloud data contained in each part based on the mapping relationship and a preset multi-dimensional point cloud enhancement strategy. This application, through an innovative data augmentation method, ensures that the augmented data maintains accurate semantic correspondence in the multi-task model, improves the quality and richness of the training data for the multi-task model, and enhances the model's adaptability to different scenarios.

The present application belongs to the technical field of aircraft ground deicing, and discloses a method and system for collaborative optimization of aircraft ground deicing configuration parameters, and a computer device. The method comprises: obtaining a correlation topology result of the aircraft ground deicing configuration parameters by analyzing the distribution fitting law of multi-scale correlation coupling of the aircraft ground deicing configuration parameters and the quantitative deicing efficiency relationship, and constructing a correlation coupling graph model of the deicing configuration parameters based on the result; establishing a collaborative optimization model of the deicing configuration parameters with the objectives of maximum safety margin of the retention time, shortest deicing time, most balanced configuration parameters, and least deicing fluid consumption; simplifying the complex constraints of the deicing configuration parameters, and solving the collaborative optimization model of the deicing configuration parameters after relaxation. The average absolute error between the measured result and the calculated value meets the airport operation requirements, and the collaborative optimization and solving method of the deicing configuration parameters reduces the deicing fluid consumption on the basis of ensuring absolute safety and efficient operation in combination with the actual deicing configuration parameters of the airport.

The application discloses a railway brake clamp detection tool, and relates to the brake clamp detection field, the railway brake clamp detection tool comprises a workbench, the top outer wall of the workbench is provided with a detection mechanism, and two sides of the top outer wall of the workbench are respectively provided with an installation assembly used for installing a brake clamp and a control panel; the installation assembly and the control panel are located on the two sides of the detection mechanism respectively. The two detection assemblies are arranged in the detection mechanism, the clamping force of the brake clamp can be conveniently detected through the pressure sensors in the detection assemblies, the detection accuracy is improved through synchronous detection of the two pressure sensors, meanwhile, the detection assemblies and the installation assemblies in the scheme are convenient to operate, and later maintenance is facilitated; the problem that an existing brake clamp detection device is inconvenient to operate and maintain is solved.