86results about How to "Reliable solution" patented technology

The invention provides an image restoration method and system based on dynamic decomposition and fusion, and the method comprises the steps: decomposing a to-be-restored image with hybrid features according to a degradation mode, and extracting degradation features of which the number is the same as the type number of the degradation mode; respectively processing each degradation feature to obtain a recovery feature corresponding to each degradation mode; and the recovery features are dynamically fused to obtain a clear recovery image with the same size as the to-be-recovered image, so that the function of performing high-quality recovery on the complex hybrid image is realized. According to the method, the recovery feature map is decomposed, processed and fused under multiple scales, the recovery feature map fusing the recovery features of the multiple scales is obtained, and the visual effect of hybrid image recovery is improved. According to the method, the symmetric U-shaped network is constructed based on the corresponding model formed by the method, and the processing sub-module corresponding to the degradation mode is constructed, so that complex and diversified degraded images in a real environment are well dealt with, and an efficient and reliable solution is provided for the field of image restoration.

The invention discloses a single-face array low-altitude radar target recognition system based on deep learning, and the system comprises a data collection module which obtains the radar echo data of different targets in various environments, a receiver has a specific sampling frequency and a dynamic range, the collection time is set according to the characteristics of the targets, and the data is compressed and stored; the data preprocessing module is used for denoising, clutter suppression and normalization; the feature extraction module extracts features by using CNN; the target recognition module classifies and recognizes a target; the model training and optimizing module is used for training a model and optimizing parameters; and the visual display module displays the result. According to the invention, data can be accurately collected and efficiently preprocessed, target features are accurately extracted and recognized by using deep learning, the model is optimized to improve the accuracy, the result can be visually displayed, the accuracy, real-time performance and reliability of low-altitude radar target recognition are effectively improved, and the monitoring requirements are met.

The invention discloses an indoor moving target positioning method and system based on machine learning, particularly relates to the technical field of indoor positioning, and is used for solving the problems that an existing indoor positioning method cannot adapt to the dynamic change of a signal path in real time in a non-independent scene of motion behaviors between targets, and the positioning precision is reduced. The method comprises the following steps: acquiring multi-source positioning data of a plurality of moving targets, and grouping the data to form a moving target signal sequence; extracting multi-dimensional feature vectors according to signal propagation path characteristics and interaction characteristics between targets; a target feature model is generated through deep neural network modeling, and initial position information is predicted; when a group behavior change is detected, analyzing signal path characteristics and distribution complexity in combination with a high-order graph convolutional network and a multi-scale embedded entropy; judging the group synchronization degree according to the signal overlapping degree and the distribution convergence speed; and finally, correcting the initial position information based on the group synchronization degree, and outputting a precise positioning result.

The present invention relates to the technical field of waterproofing coiled materials, and discloses a composition for polyvinyl chloride waterproofing coiled materials, a polyvinyl chloride waterproofing coiled materials, and a preparation method and application thereof. The composition contains polyvinyl chloride, ethylene-vinyl acetate-carbon monoxide copolymer, a plasticizer, a filler, expandable microspheres, a crosslinking agent, and an antioxidant; relative to 100 parts by weight of polyvinyl chloride, the content of ethylene-vinyl acetate-carbon monoxide copolymer is 10-40 parts by weight, the content of the plasticizer is 35-50 parts by weight, the content of the filler is 20-55 parts by weight, the content of the expandable microspheres is 1-3 parts by weight, the content of the crosslinking agent is 1-3 parts by weight, and the content of the antioxidant is 0.1-0.4 parts by weight. The polyvinyl chloride waterproofing coiled material not only has strong tensile strength and elongation, but also has good waterproof function while being able to insulate and heat.

The invention provides a coal mine underground video dust filtration monitoring method based on model fusion, and belongs to the technical field of coal mine underground video dust filtration monitoring. The technical problem to be solved is to provide the coal mine underground video dust filtration monitoring method based on model fusion. According to the technical scheme, video data of an underground operation area environment are collected in real time through a camera installed in an underground coal mine, the video data are uploaded to a server arranged in a roadway in real time, the server firstly intercepts image frames from the underground coal mine video, timestamp marking is conducted on the image frames, and the image frames are sent to the roadway; carrying out histogram equalization preprocessing on each image frame, and improving the brightness and contrast of the collected video image to realize image enhancement; the server further adopts a dark channel prior method to carry out data recovery on the video image, a fuzzy effect caused by dust on the image is removed, and the real definition of the image is recovered; the method is applied to coal mine underground video dust filtration monitoring.

The present application relates to a terpene resin with controllable molecular weight and a preparation method thereof. A preparation method of a terpene resin with controllable molecular weight comprises: mixing β-pinene with ethylene glycol to obtain a mixture; mixing toluene and a catalyst at ‑5 to 5°C until uniform; dropping the mixture and keeping it warm at 5‑10°C for 1‑3h; removing the catalyst; desolventizing toluene and discharging the material, wherein the mass ratio of toluene to β-pinene is (1‑1.15): 1, the amount of the catalyst is 3.5‑5% of the mass of β-pinene, and the amount of ethylene glycol is 0.04‑0.07% of the mass of β-pinene. The present application can achieve precise control of the molecular weight of the terpene resin, prepare a terpene resin product with stable performance, and meet the high standard requirements of sanitary tape for viscosity, anti-aging and aviation electronic tape to enable it to perform accurately and stably in avionic electronic instruments, and broaden its application range in high-end applications such as medical, food, and aviation.

The invention discloses an intelligent manufacturing anomaly detection method based on intrinsic parameter learning, and belongs to the field of artificial intelligence, and the method comprises the following steps: inputting a high-dimensional multispectral data set to a machine learning model, the high-dimensional multispectral data set comprising high-dimensional multispectral data features and label information corresponding to the high-dimensional multispectral data features; classifying the model parameters based on the high-dimensional multispectral data features and the label information corresponding to the high-dimensional multispectral data features to obtain internal parameters and external parameters; optimizing the internal parameters to obtain optimized internal parameters, and optimizing the external parameters to obtain optimized external parameters; and carrying out constraint optimization enhancement on the optimized internal parameters, carrying out target function normalization processing to obtain a final target function, and obtaining an out-of-distribution sample detection result based on the final target function.

The invention relates to the technical field of natural language processing, in particular to an entity relation joint extraction method and system. Cross-span semantic clues are gathered in a channel dimension through a full-sentence semantic focusing unit so as to suppress semantic drift under long-distance dependence, and relative direction and distance information between entities is converted into learnable modulation quantity through an entity-to-geometric prior injection unit so as to reduce pairing ambiguity. And distinguishing subject and object representations through a subject-object directional interaction unit to carry out directional convergence so as to avoid role confusion, and finally realizing joint prediction of entity boundaries and relation types in a unified framework. According to the system, the stability and the accuracy of an extraction result can be remarkably improved in a multi-entity coexistence and relation overlapping scene, entity boundary intersection and subject-object inversion errors are reduced, the structured triad can be directly generated without relying on a post-processing rule, and a more reliable solution is provided for application such as knowledge graph construction and text analysis.

The invention discloses a portable rice and wheat combine harvester which is mainly used for scientific researchers to collect a small amount of rice and wheat or similar crop samples. The device comprises a harvesting part, a threshing and cleaning part, a backpack type negative pressure storage part and a power system. The harvesting part is used for shifting rice and wheat ears into the cutting mechanism through an ear shifting mechanism to cut off ear stems and sending the ear stems into the threshing and cleaning part, the threshing and cleaning part is used for threshing and cleaning the ears through a rotating threshing roller and a fan, and the backpack type negative pressure storage mechanism is used for extracting threshed and cleaned grains through a fan and a conveying hose, removing impurities and storing the grains. The device is compact in structure, light in weight and convenient to carry, disassemble, assemble and clean through modular design, and meets the sampling requirements of various crops. The equipment is simple to operate, can efficiently complete the whole process of harvesting, threshing and storing, is high in sample purity and cleanliness, is low in loss, remarkably reduces the labor intensity, improves the working efficiency, and can be widely applied to the fields of agricultural scientific research, breeding tests, germplasm resource protection and the like.

The utility model provides a whole type tin forest tray surface plating equipment relates to tin forest tray plating technical field, including installation support, in the utility model, through the swing mechanism, translation mechanism and the coordinated operation of rotating mechanism, realized tin forest tray in the multidimensional motion control in the plating process, swing mechanism passes through the cooperation of transmission disc, sliding sleeve and sliding rod, converts the circular movement into the reciprocating swing of storage tank, makes the plating liquid multi -angle effect to tin forest tray surface, promotes the uniformity of plating layer, through the screw rod drive plating assembly horizontal removal, expands the plating range, need not manual adjustment work piece to complete large -area plating, rotating mechanism passes through the multistage reduction drive of gear and belt pulley, makes the tin forest tray stable rotation of placing dish drive, optimizes the contact angle of plating liquid and work piece surface, is applicable to the plating treatment of complex structure, three three -dimensional compound movement modes formed by the combination, breaks through the function limitation of traditional equipment, improves plating quality and efficiency greatly.

The invention relates to the technical field of vehicle-mounted electric connection, in particular to a secondary locking safety connector assembly, which comprises a main shell, a mounting cover plate, a first power connection element and a second power connection element, and is characterized in that the main shell is provided with a first insertion cavity, a second insertion cavity and an insertion partition plate, and the first insertion cavity and the second insertion cavity are oppositely arranged at two ends of the main shell; the inserting partition plate is arranged between the first inserting cavity and the second inserting cavity, a buckling table is arranged on one side of the main shell, a fixing clamping groove is formed in the buckling table, the mounting cover plate is arranged on the buckling table, and a fixing step is arranged on the mounting cover plate; the first power connection element is arranged in the first insertion cavity, the second power connection element is arranged in the second insertion cavity, the first power connection element is provided with a first power connection terminal, and one end of the first power connection terminal penetrates through the insertion partition plate to be connected with the second power connection element; through a unique design concept and an excellent technical effect, a safer, more reliable and more efficient solution is provided for the field of electrical connection.

The utility model belongs to the technical field of waterproof coiled material winding equipment, and particularly relates to a waterproof coiled material construction winding device which comprises a supporting frame, two left supporting plates, two right supporting plates, a square shaft, a distance adjusting assembly, a winding driving assembly, a winding roller, an inclination angle adjusting assembly, a material guiding assembly, a length metering assembly, a linkage supporting assembly and four brackets. Two supporting blocks are fixedly installed on the top side of the supporting frame, the square shaft is rotatably installed on the two supporting blocks, and the two left supporting plates are axially installed on the square shaft in a sliding mode. The device is reasonable in design and has the advantages of being high in wind-up roller adaptability, convenient and fast to operate, stable in material guiding, accurate in metering and good in coordination, waterproof coiled materials with different widths and thicknesses can be efficiently and accurately wound and metered, meanwhile, the wind-up roller can be rapidly disassembled and assembled, and feeding and discharging operation can be conveniently carried out, and the working efficiency is improved. The diversified requirements in the waterproof roll construction process are fully met.

The invention relates to a tool wear prediction method based on FIR-Stacking. The method comprises the following steps: collecting signal data in a tool machining process; de-noising the signal data by using the optimized band elimination filter; expanding the denoised signal data to obtain expanded signal data; respectively extracting statistics from the time domain, the frequency domain and the time-frequency domain of the extended signal data; taking the statistics as features, performing feature extraction on single-dimensional data in the expanded signal data, and splicing features of multi-dimensional data to obtain a feature data set; and inputting the feature data set into an integrated learning model based on Stacking to obtain a tool wear result. According to the method, the self-adaptive FIR filter is adopted to remove signal noise, and the Stacking integration method of multiple machine learning models is combined, so that the accuracy of tool wear prediction can be effectively improved. And through feature extraction and selection of the tool monitoring signal, the degradation feature of tool wear is better captured, so that the prediction result is more accurate and reliable.

The utility model belongs to optical technology field, concretely relates to a kind of optical path imaging system, including support frame, reflector, lighting assembly, imaging lens and camera, the reflector is installed inside support frame, the reflector has two oppositely arranged reflecting surfaces, respectively for receiving the reflected light of first target object and second target object;The lighting assembly is used to provide lighting for first target object and second target object, the imaging lens is arranged between reflector and camera, for receiving the light reflected by two reflecting surfaces, the light of first target object and second target object respectively after corresponding reflector reflection, through the same imaging lens synchronous imaging in the same focal plane of camera;The utility model can make first target object and second target object can be synchronous imaging in the same focal plane of camera by the same imaging lens, simplifies the design complexity of bidirectional target object imaging optical path, reduces the difficulty of processing manufacture and adjustment, reduces cost input.

The application relates to the technical field of digital human body models, in particular to a digital human body muscle model posture generation method and device. The method comprises the following steps: obtaining a tomographic image of an initial posture of a human body by using high-precision CT, and inversely modeling a geometric model of human body bones and muscles according to the tomographic image; calculating a first motion influence weight of each muscle node attached to a bone node according to each muscle node and the bone node; calculating a second motion influence weight of each muscle node according to the influence of adjacent muscle nodes on each muscle node; calculating a comprehensive weight of each muscle node according to the first motion influence weight and the second motion influence weight; and calculating a Laplace coordinate of a next moment of a current muscle node according to the comprehensive weight of the current muscle node, the position of the current muscle node and adjacent muscle nodes. The application generates a high-fidelity muscle geometric model by using a Laplace mesh deformation constraint technology.

The invention relates to the technical field of interface current limiting, and particularly discloses an interface current limiting method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining a Key value of a target interface when the target interface receives access request information, and determining an interface current limiting type of the target interface according to the Key value; and determining whether to perform current limiting control on the target interface based on the interface current limiting type and the Key value. According to the method and the device, the convenience of calling and switching operation of the interface current limiting can be improved, the security of the interface is greatly enhanced, the unified management of the interface current limiting is realized, an efficient and reliable solution is provided for an interface current limiting scene, and the overall interface performance is safer.

The invention relates to the technical field of flexible direct current control and protection devices, in particular to a virtual synthesis device of double sets of control and protection devices and a data processing method thereof, the virtual synthesis device comprises a first control and protection device and a second control and protection device, and the virtual synthesis device further comprises a data processing module used for obtaining data of the double sets of control and protection devices, processing the data to obtain synthetic data; the on-duty state judgment module is used for automatically judging the on-duty state of the double sets of control and protection devices based on the information of the double sets of control and protection devices and storing the on-duty state in an on-duty state field of the switch knife switch model; and the remote control operation association module is used for acquiring a remote control instruction and performing remote control operation on the control and protection device in the on-duty state based on the remote control instruction and the on-duty state. According to the method, the operation process is simplified, the possibility of human errors is reduced, the automation degree and the response speed of the system are improved, and the method is suitable for the double-set configuration scene of the control and protection device in the flexible direct-current power transmission system.

The invention relates to an SOC estimation method and device for a new energy vehicle, electronic equipment and a storage medium. The method comprises the steps that driver behavior data, vehicle operation environment data and temperature data are acquired; training a local convolutional network by using the acquired data, and sending network parameters of the trained local convolutional network to a central server; enabling the central server to cluster the received network parameters based on federal learning according to the vehicle operation environment data and the temperature data, and aggregating the network parameters of the same type; aggregation parameters sent by the central server are received, the local convolutional network is iteratively updated until preset conditions are met, in the updating process, network parameters of the local convolutional network are constrained according to preset global drift constraints, and the weight of the global drift constraints is gradually increased along with the number of training times; and estimating the SOC of the new energy vehicle by using the updated local convolutional network.

The invention relates to a knowledge-enhanced big language model reasoning method based on experience knowledge. Comprising the following steps: constructing a knowledge base; obtaining reasoning problems and corresponding problem solving experience; extracting the problem solving experience into structured knowledge entries; a reasoning structure of the problem is extracted in the structure abstraction process, and experience is refined into a reusable solution, judgment and correction mode in the mode generalization process; retrieval of knowledge: for a new problem, related items are retrieved by using a reasoning structure of the new problem; the diversity reordering step then selects a final set of entries, providing a strategically diverse context for reasoning. The problem-based core reasoning structure adopts a diversity perception retrieval mechanism, so that the LLM reasoning accuracy is improved, and the LLM can learn and evolve from practice under the condition that re-training is not needed.

The present application belongs to the technical field of pesticide residue detection method, and particularly relates to a method for determining the chlorothalonil residue in fruits and vegetables, comprising the following steps: S1, extracting the fruit and vegetable sample by using an alkaline extraction solution to obtain an extraction solution; S2, adding a garlicin solution to the extraction solution; S3, adding a purification filler to the conversion solution, vortexing, centrifuging, filtering to obtain a to-be-tested solution; S4, using an ultra-high performance liquid chromatography-tandem mass spectrometer to detect the concentrations of mercaptochlorothalonil and 4-hydroxychlorothalonil in the to-be-tested solution, and calculating the total residue of chlorothalonil in the sample. The present application breaks through the traditional idea of inhibiting the conversion of chlorothalonil, actively promotes the complete and quantitative conversion of chlorothalonil into a single derivative through "alkaline extraction + exogenous garlicin catalysis", changes the complex and uncontrollable conversion process into a controllable and quantitative chemical reaction, and avoids the problems of low recovery rate and false negative caused by incomplete or unmeasurable conversion in principle.

The invention discloses a soft soil foundation consolidation device and method based on vacuum preloading and plungers, and belongs to the technical field of soft soil foundation treatment. The device comprises a bulk filtering and collecting system, a vacuumizing drainage system and a plunger lifting system. The bulk filtering and collecting system filters soil particles and prevents the soil particles from entering a floral tube to cause loss of foundation soil; the vacuumized drainage system accelerates the accumulation of water in the soft soil foundation into the floral tube; the plunger lifting system quickly empties water stored in the floral tube through lifting of a plunger; through reasonable combination and periodic operation, efficient consolidation of the soft soil foundation can be achieved, the problem that water drainage of the soil body is difficult is solved, and therefore the reinforcement effect of the soil body and the construction engineering quality are improved.

The utility model discloses a general magnetic assembly line drawing visual inspection tubing production line which comprises a belt line serving as a transmission channel of a magnetic assembly. The magnetic assembly feeding mechanism is located at the front end of the belt line and used for pushing the magnetic assemblies to the belt line, and continuous feeding of the magnetic assemblies is achieved; the code spraying machine is located above the belt line and used for conducting code spraying and line drawing operation on the magnetic assembly on the belt line; the visual inspection equipment is also positioned above the belt line, is closely connected behind the code spraying machine, and is used for performing visual inspection on the magnetic assembly after the line is drawn by the code spraying machine; the material pipe feeding mechanism is located at the tail end of the belt line and used for pushing the material pipe to a designated position; and the charging pipe discharging mechanism is located at the tail end of the belt line and used for charging the magnetic assemblies which are subjected to line drawing and visual inspection into the charging pipes and then automatically discharging the charged charging pipes. According to the general line drawing visual inspection tubing production line for the magnetic assembly, automatic line drawing, detection and tubing of the magnetic assembly can be achieved, the production accuracy of the magnetic assembly is improved, the product quality is improved, and the production efficiency is improved.

The present invention proposes a method and system for verifying the validity of backup data, which relates to the technical field of backup verification. The backup data are classified and backed up according to data types, and classified according to preset demand types, backup data packets are obtained and stored, and the backup data are sorted in chronological order; the difference comparison value of the data packet is calculated, the difference judgment of the backup data packet is performed, the backup data packet is differentially stored, and the difference data packet is obtained; the backup data is restored, and the restoration quality value is calculated, and whether the restoration of the backup data is qualified is judged according to the restoration quality value, and replacement restoration is performed until the restoration judgment result is a qualified restoration state. The backup data verification process of the present invention improves data management efficiency, optimizes storage space, speeds up recovery speed, improves recovery quality, enhances data security, and supports flexible data recovery strategies, providing a comprehensive, efficient, and reliable solution for data backup and recovery.

The invention belongs to the technical field of ground-air dual-purpose robots, and relates to a four-rotor two-wheel type wall climbing aircraft which comprises a rotor module, a wall climbing module, a motion control module, a suspension module and a main body rack. According to the wall climbing module, upward wall climbing power is provided through driving wheel driving and suspension design to achieve the wall climbing function, modular design is adopted for the main body rack, different functional modules can be rapidly combined, and the multi-scene rescue requirement is met. By integrating the wall climbing stability performance of the wall climbing module and the flight capacity of the rotor wing module, the unmanned aerial vehicle can smoothly switch from the flight attitude to the wall climbing mode to realize wall climbing, climbing and other tasks, and has great application potential in wall detection, unmanned aerial vehicle inspection, unmanned aerial vehicle investigation, unmanned aerial vehicle disaster search and rescue and other scenes.

The utility model discloses an electroplating cleaning device, which comprises a cleaning pool group, an electroplating pool group and an electroplating pool group, the carrying mechanism is arranged on one side of the cleaning pool set and used for carrying the jig frame so that the jig frame can be soaked into the cleaning pool body; the water supply system is arranged on one side of the cleaning pool set and provides clean water for the cleaning pool body; the water quality monitoring unit is arranged in the cleaning pool body, and the water supply system is controlled by the water quality monitoring unit to supply clean water to the cleaning pool body; the water flow circulation control system is arranged between the cleaning pool bodies and is connected with a drainage pipe. And a mixing structure is arranged in the cleaning pool body. The water supply system moves along the cleaning pool set and provides clean water for the corresponding cleaning pool bodies. And a liquid level sensor is arranged in the cleaning pool body. The multiple cleaning pool bodies are sequentially arranged in a stepped mode, so that water in the previous cleaning pool body enters the next cleaning pool body. The method has the remarkable advantages of improving the cleaning effect, accurately controlling the water quality, flexibly managing the water flow, saving energy, protecting the environment and the like.

This invention discloses a composite nanozyme and a kit for simultaneous recognition of multiple exosomes. The kit includes an aptamer / composite nanozyme solution, exosome standards, TMB substrate solution, H2O2 solution, and 96-well plate enzyme labeling strips. This invention innovatively utilizes Ti3C2T... x A nanozyme (MX-MnNF) formed by combining MXene nanosheets and MnO2 nanoflowers was constructed, and a colorimetric sensor array was built by modifying it with three aptamers: EpCAM, MUC1, and HER2. Based on the peroxidase-like activity of the nanozyme, it can catalyze the TMB-H2O2 reaction to produce color changes, enabling the simultaneous recognition of multiple exosomes. This method can complete the detection within 10 minutes, with a detection sensitivity of up to 10 particles / mL and an accuracy of up to 95% for clinical samples. It has the advantages of simple operation, rapid detection, and high sensitivity, providing a new technical means for tumor liquid biopsy.

The utility model discloses a kind of sodium caseinate is used to quantitative loading device, it belongs to quantitative equipment technical field, including anchoring structure, its upper surface one side fixedly connected pipe valve stable structure, pipe valve stable structure is fixedly connected three-way branch ware in, anchoring structure upper surface other side fixedly connected reciprocating power module cabin, reciprocating power module cabin inner wall one side rotationally connected adjustable phase driving disc, three-way branch ware one side fixedly connected quantitative assembly, reciprocating power module cabin upper surface fixedly connected sterile raw material bin, sterile raw material bin upper surface fixedly connected flow state flow guide dome.The utility model is through setting quantitative assembly, ensure that the amount of dairy product that is inhaled from sterile raw material bin and pushed to soft package each time is constant, to improve the quantitative accuracy of packaging, while device operation process is simple and clear, reduce operation difficulty and labor cost, improve production efficiency, quickly, accurately complete the filling work of a large number of soft package, satisfy production line demand.

The utility model relates to the technical field of electrical equipment bases, in particular to an electrical automation equipment mounting base which comprises a body and supporting legs in threaded connection with the body, and further comprises a forward ratchet wheel seat and a reverse ratchet wheel seat which are both fixed on the supporting legs and rotate forwards and backwards respectively to drive the supporting legs to rotate forwards and backwards. The extension rod can be freely arranged on the forward ratchet wheel base and the reverse ratchet wheel base in a sleeving mode, the forward ratchet wheel base and the reverse ratchet wheel base are pulled to rotate through the extension rod, and according to the electrical automation equipment installation base, an operator can use the extension rod to achieve forward and reverse rotation of the supporting feet rapidly in a labor-saving mode, so that the height of equipment is accurately adjusted; the problems that a traditional thread adjusting mode is tedious in operation and low in efficiency, and potential safety hazards exist are solved. Besides, the driving seat of a polygonal structure is used in cooperation with the extension rod buckling groove, the adjusting precision and stability are ensured, and the design of the containing groove and the pull ring not only improves the space utilization rate, but also enhances the use convenience.