6603results about How to "Reduce difficulty" patented technology

Systems and methods for managing divergence of best effort transactional support mechanisms in various transactional memory implementations using a portable transaction interface are described. This interface may be implemented by various combinations of best effort hardware features, including none at all. Because the features offered by this interface may be best effort, a default (e.g., software) implementation may always be possible without the need for special hardware support. Software may be written to the interface, and may be executable on a variety of platforms, taking advantage of best effort hardware features included on each one, while not depending on any particular mechanism. Multiple implementations of each operation defined by the interface may be included in one or more portable transaction interface libraries. Systems and / or application software may be written as platform-independent and / or portable, and may call functions of these libraries to implement the operations for a targeted execution environment.

The invention discloses a stationary pollution source data acquisition and calibration method and system, a medium and a program product, and the method comprises the steps: carrying out the segmentation processing of a plurality of concentration change data, and obtaining a plurality of data segments; determining the concentration change trend of various pollutants, and calculating a correlation coefficient matrix; the Euclidean distance value between the correlation coefficient matrix of the current data segment and each correlation coefficient matrix before sorting is calculated; when the Euclidean distance is greater than a preset threshold value, marking the corresponding data segment as an abnormal data segment; determining the pollutant as a target pollutant, and establishing a material balance equation; based on the material balance equation, generating a theoretical concentration change curve of the target pollutant; calculating a deviation value, and when the deviation value exceeds a preset dynamic error limit value, determining a sensor correction coefficient according to the process parameters; and carrying out calibration processing on the acquired data of the target pollutant according to the sensor correction coefficient. According to the invention, the accuracy of data acquisition and calibration of the stationary pollution source is improved, so that the influence on formulation and execution of pollution prevention and control measures is reduced.

The invention discloses a method for analyzing a matching degree between a demand and an output result based on text semantics. The method comprises the following steps: step 1, labeling a data set; step 2, technical document preprocessing; 3, training and predicting a single-parameter model; 4, integrating prediction results of the multi-parameter model; the method has the beneficial effects thatthe method is simple; deep learning and the NLP technology are applied to the field of project association degree calculation of enterprise project management for the first time. Calculating an association matching degree between the two projects according to project requirements and result description; the associated project positioning difficulty is effectively reduced; meanwhile, the demand side can be helped to quickly and efficiently locate high-quality projects adapting to the demand of the demand side; time and resource investment for achievement screening and matching are greatly reduced, the association matching degree between projects is calculated by means of text data of existing project achievement technical documents and project declaration guidelines, and then large enterprises are assisted in screening high-quality projects with the high matching degree in the project bidding and tendering link.

The invention provides a post quantum cryptography and national cryptography algorithm mixed signature and verification method and device, and relates to the technical field of cryptography application. The method comprises the following steps: performing hash operation on a to-be-signed message plaintext by adopting a preset national cryptographic hash algorithm to obtain a first hash value, and performing mixed signature operation on the first hash value and the to-be-signed message plaintext according to a national cryptographic signature private key component and a post-quantum signature private key component in a mixed signature private key of a sender to obtain a second hash value; and obtaining a national secret signature value and a post-quantum signature value, packaging the national secret signature value and the post-quantum signature value to obtain a mixed signature value corresponding to the to-be-signed message plaintext, and sending the mixed signature value and the to-be-signed message plaintext to a receiver. Due to the fact that the mixed signature value sent by the sending party to the receiving party comprises the national secret signature value and the post-quantum signature value, an attacker needs to crack the national secret signature value and the post-quantum signature value at the same time to achieve identity anti-fake attack, and guarantee is provided for integrity and authenticity of message plaintext transmission.

The invention relates to a gas storage assembly applied to a carbon dioxide energy storage system and the carbon dioxide energy storage system, and relates to the technical field of carbon dioxide energy storage. The gas storage assembly comprises a gas storage, a gas distribution pipe and a connecting pipe, the carbon dioxide energy storage system further comprises an energy storage assembly, an energy storage container and an energy release assembly which are connected in sequence. The gas distribution pipe is provided with a plurality of gas ports communicated with a gas storage space of the gas storage; the first end of the connecting pipe is connected with the gas distribution pipe, and the second end of the connecting pipe is communicated with at least one of the energy storage assembly and the energy release assembly directly or through a pipeline structure; the distance between the connecting position of the air distribution pipe and the connecting pipe and one end of the air distribution pipe is 40-60% of the length of the air distribution pipe. According to the gas storage assembly provided by the invention, the balance of the gas inlet flow or the gas outlet flow in different areas of the gas storage space of the gas storage can be improved, the engineering design and debugging difficulty of the gas storage assembly is reduced, and the operation cost is reduced.

The invention discloses a three-dimensional scene re-coloring optimization method based on Gaussian splashing and deep learning, and the method comprises the following steps: S1, constructing a multi-view data set of a given scene, and generating an initial point cloud; s2, based on the initial point cloud, extracting a representative color set from all input pixels, generating a palette and taking the palette as initial setting; s3, rendering a multi-view result picture by using the palette and a Gaussian splash algorithm, calculating a loss function, and generating an optimized Gaussian radiation field through back propagation optimization parameters; and S4, re-rendering the scene and generating a re-coloring result based on the optimized Gaussian radiation field and the palette color modified by the user. According to the method, the Gaussian splash algorithm and the deep learning technology are combined, efficient re-coloring optimization of the three-dimensional scene is achieved, and the method has the advantages of being visual in editing, accurate in illumination expression and real in rendering.

The invention discloses a method and system for improving satellite remote sensing inversion precision by fusing hyperspectral proximity, and belongs to the technical field of water environment and water ecology monitoring. Acquiring a water body hyperspectral near-sensing reflectivity spectral data set, a satellite remote sensing surface reflectance data set and a water environment actual measurement data set, and performing preprocessing; a synchronous data set containing # imgabs0 # and water quality and a synchronous data set containing # imgabs1 # and water quality are constructed; based on the synchronous data of the # imgabs2 # and the water quality, synchronous data of the # imgabs3 # and the water quality are generated, and synchronous data of the # imgabs4 # and the # imgabs5 # are obtained; the # imgabs6 # is normalized to obtain # imgabs7 #, and the quantitative conversion relation between the # imgabs7 # and the # imgabs8 # is constructed band by band to eliminate errors; generating a fused satellite-ground data set, and constructing a training water quality parameter inversion model; and updating corresponding methods and data sets in real time by repeating specified steps, and optimizing the model. According to the method, the inversion result is displayed and downloaded according to the query instruction, the satellite spectrum precision and the satellite-ground synchronous data set scale are improved, and the method is used for high-precision water environment monitoring.

The invention relates to the technical field of optical detection, in particular to semiconductor detection equipment, which comprises a reinspection light source for emitting reinspection light, a bright field light source for emitting bright field light and a dark field light source for emitting dark field light, the reinspection light, the bright field light and the dark field light are respectively guided to irradiate the surface of a wafer, the reinspection light is reflected by the wafer to form reinspection signal light, and the reinspection signal light is transmitted to the light source. The bright-field light is reflected by the wafer to form bright-field signal light, and the dark-field light source is scattered by the wafer to form dark-field signal light; the optical separation element is used for collecting the bright-field signal light, the dark-field signal light and the reinspection signal light and performing spatial separation, so that the dark-field signal light, the bright-field signal light and the reinspection signal light are emitted to different transmission paths for respective imaging; wherein a dark field illumination light spot formed by the dark field light on the surface of the wafer, a bright field illumination light spot formed by the bright field light on the surface of the wafer and a reinspection illumination light spot formed by the reinspection light on the surface of the wafer do not coincide with one another. The wafer defect detection device is at least beneficial to improving the detection speed and the detection precision of wafer defect detection.

The embodiment of the invention provides an access control strategy construction method and device, electronic equipment and a storage medium. The access control strategy construction method comprises the following steps: determining access control elements and attributes thereof of an application based on an acquired resource access scene; based on the access control elements and the attributes thereof, an access control strategy template is created according to different access control scenes, and the access control strategy template comprises preset access control elements and attributes; selecting the access strategy template based on a service demand and assigning a value to the attribute to create a corresponding access control strategy; and performing matching calculation on the access control strategy and the intercepted resource access request based on a strategy calculation engine, and if matching succeeds, executing a corresponding strategy action. Through the steps, access control configuration is more convenient and easier to understand, and access control is more flexible.

The invention discloses a face image super-resolution method and device of a diffusion model based on residual prediction, and relates to the field of image super-resolution, and the method comprises the steps: obtaining a to-be-reconstructed low-resolution image; a diffusion model based on residual prediction and a conditional noise predictor are constructed and trained, and a trained diffusion model and a trained conditional noise predictor are obtained; gaussian noise is sampled from standard Gaussian distribution to serve as residual noise images, a to-be-reconstructed low-resolution image, the residual noise image of each step and the corresponding step length are input into a trained conditional noise predictor, prediction noise of each step is obtained through prediction, and the low-resolution image is reconstructed. Iteratively executing a de-noising process of T steps through a reverse de-noising network in the trained diffusion model to obtain a restored residual image; and adding the restored residual image and the up-sampled low-resolution image to be reconstructed to obtain a restored high-resolution image. The image super-resolution method solves the problems that an existing image super-resolution method is complex in generation process and limited in detail recovery.

The invention relates to the technical field of data sharing, and particularly discloses an electrical equipment supply chain data security access method and system, and the system can intelligently match table structure information in a power industry database based on natural language input of a user, and generates a corresponding SQL query. By combining a natural language processing technology with a large language model, a user can easily access and query required power industry data under the condition that a complex SQL statement or a database structure does not need to be mastered. According to the method, the efficient query task can be automatically generated, the data access difficulty is greatly reduced, meanwhile, a data field level encryption scheme and a user permission intelligent verification mechanism are designed, and the safety of the data access sharing process is ensured; and the method has good expansibility and can be compatible with power enterprise databases of different scales.

The invention discloses a limited micro-space pile foundation construction method based on a multifunctional pile machine, and belongs to the technical field of constructional engineering pile foundations. The limited micro-space pile foundation construction method comprises the following construction steps that S1, a matched drilling tool is selected according to the type of a pile foundation, wherein the type of the pile foundation at least comprises one of a cast-in-situ bored pile, a stirring pile, a high-pressure jet grouting pile and a threaded expanding body steel pile; s2, pile machine equipment is assembled and placed in place, wherein the pile machine equipment comprises a main machine assembly, a drilling rig assembly, a power head assembly and a multi-channel telescopic drilling rod; and S3, pile foundation construction is conducted, specifically, corresponding pile machine equipment and auxiliary equipment are started according to different pile foundation technologies to conduct pile foundation construction. According to the multifunctional pile machine, various pile foundation types can be constructed on one pile machine, the power head with the multi-channel flow divider and the multi-channel telescopic drill rod are matched, so that the pile machine can achieve efficient and environment-friendly pile foundation construction in a limited space, the adaptability and the integration degree of equipment are improved, continuous work in construction is reduced, and the construction efficiency is improved. And the construction efficiency is improved, and various geological conditions and construction requirements can be met.

The invention discloses an equal-sectional-area high-slot-fullness-rate concentrated flat wire winding layout structure. The flat wire winding layout structure comprises a plurality of flat wire windings and a stator core with non-rectangular stator slots, each flat wire winding is wound on a respective stator core tooth part in the stator core and arranged in the same manner, and the width of each layer of flat wires of each flat wire winding is increased layer by layer from the narrower side to the wider side of the stator slot of the stator core. The thickness of each layer of flat wire is increased layer by layer from the wider side to the narrower side of a stator slot of the stator core, the total sectional area of each layer of flat wire is the same, and the wire ends of the flat wire windings are mutually connected at the end part of the motor. According to the invention, the slot fill factor of the flat wire winding in the non-rectangular slot can be effectively improved, the problem of low space utilization rate is solved, the efficiency and power density of the motor are further improved, the current densities at different positions of the conductor in the slot are basically the same, the insulation failure caused by too high local temperature rise is avoided, and the reliability of the winding can be effectively improved.

The embodiment of the invention discloses a mobile phone glass cover plate defect detection method, system and equipment and a storage medium, which are used for improving the accuracy of detecting a mobile phone glass cover plate. The method provided by the embodiment of the invention comprises the following steps: acquiring a first grayscale image of a to-be-detected glass cover plate and a second grayscale image of a standard glass cover plate; aligning the second gray level image with the first gray level image pixel by pixel; calculating a gray value difference value of each pixel of the first gray image and the second gray image to obtain a residual image; calculating an optimal Otsu threshold value of the residual image; performing binarization processing on the residual image according to the optimal Otsu threshold to obtain a binary image; and determining the defect position of the to-be-detected glass cover plate according to the binary image.

The invention relates to the technical field of logistics, and particularly discloses an automatic sorting goods shelf and a sorting system thereof.The automatic sorting goods shelf comprises a base, two goods shelf bodies are installed in the middle of the top end of the base, and a plurality of lifting mechanisms are installed on the two goods shelf bodies; the lifting mechanism comprises a storage box, a through opening, a fixing frame, a positioning mechanism, a double-head motor, a driving shaft and a lifting gear. After a double-head motor is started, a lifting gear is precisely meshed with a tooth groove to drive a storage box and a placing goods shelf to move up and down, then a first driver is started, and a double-head screw is driven to rotate through tight meshing transmission of two bevel gears to enable two positioning blocks to be accurately inserted into corresponding positioning grooves, so that the storage box is firmly and stably fixed; by means of the design, the height of each layer of the goods shelf can be flexibly adjusted so as to adapt to goods of different sizes, the space utilization rate of the goods shelf is greatly improved, and the sorting difficulty and time cost are effectively reduced.

The invention discloses a brushless planetary gear speed reducing motor, and belongs to the technical field of planetary gear speed reducing motors, the brushless planetary gear speed reducing motor comprises a base, a heat dissipation assembly and a torque self-adjusting assembly, the upper surface of the base is fixedly connected with a shell, the shell is provided with an air hole penetrating through the inner side and the outer side of the shell, and the outer side of the shell is provided with a heat conduction strip; a bearing in the shell is connected with one end of a motor winding, and the other end of the motor winding is coaxially and fixedly connected with one end of a driving shaft. According to the motor, the fan structure and the water-cooling heat dissipation structure are arranged inside the motor, so that the heat dissipation efficiency and effect can be improved, and the problem that the heat dissipation efficiency and effect are poor due to the fact that only the fan structure is arranged in the past and hot air circulates inside and outside the shell is solved; and after the motor is started, the torque is gradually reduced, so that the strength of the structure is improved, and the situation that the strength is reduced due to the fact that the torque is too long is avoided.

The invention provides a rail-mounted man-riding device for a mine and a speed-limiting brake of the rail-mounted man-riding device, and belongs to the technical field of rail-mounted man-riding devices for mines. The speed-limiting brake comprises a rack, a first brake device, a walking wheel assembly, a centrifugal mechanism, a shifting rod mechanism and a compression mechanism, and the first brake device, the walking wheel assembly, the centrifugal mechanism and the shifting rod mechanism are arranged on the rack. The first braking device is installed on the machine frame and comprises a first elastic piece and braking parts connected with the two ends of the first elastic piece. And a swinging rod is arranged in a rotary drum device on the centrifugal mechanism and is connected with the central seat through an elastic piece. The shifting rod mechanism comprises a rotating shaft rotationally arranged on the rack, the two ends of the rotating shaft are fixedly connected with shifting parts respectively, and one shifting part is arranged below the centrifugal mechanism. When overspeed occurs, the throwing rod is thrown out and pushes the trigger part to rotate, so that the contact part is separated from the compression mechanism, and automatic braking is achieved. According to the passenger device, the mode that motor driving is matched with the speed limiting brake is adopted, so that the passenger device is compact in structure, convenient and fast to operate and high in safety.

The invention belongs to the technical field of cutting fluid wastewater treatment supervision, and particularly relates to a cutting fluid wastewater treatment system for machine tool accessory processing, which comprises a wastewater step-by-step treatment unit, an in-out online monitoring unit, a pollution analysis unit, a wastewater treatment management and control analysis unit and an intelligent management end, various pollutants in cutting fluid wastewater are removed by integrating various treatment technologies through the wastewater step-by-step treatment unit, and the in-out online monitoring unit samples the cutting fluid wastewater before treatment and purified water after treatment and collects monitoring data of various pollution parameters in corresponding sampled liquid. The pollution analysis unit judges the pollution condition based on the monitoring data of each pollution parameter in the corresponding sampling liquid, and the wastewater treatment management and control analysis unit judges whether wastewater treatment is abnormal or not through analysis and accurately evaluates the treatment management and control performance for cutting fluid wastewater treatment. The treatment efficiency and the treatment effect of the cutting fluid wastewater can be guaranteed, and the intelligent and automatic levels are high.

The embodiment of the invention discloses a discrete voice coding method, electronic equipment and a storage medium, and the method comprises the steps: constructing a voice input and frequency spectrum output VAE, enabling the input voice to have speaker tone disturbance, and enabling the VAE structure to be used for multi-task learning; vector quantization is carried out on the VAE, and a VQ-VAE is initialized, so that a quantization layer is added to continue to reduce an information bottleneck; and additionally training a vocoder, and carrying out waveform reconstruction by starting from the code obtained in the VQ-VAE.

The invention provides an axially parallel split permanent magnet-water lubricated composite bearing, which belongs to the technical field of bearing design, is applied to a ship propulsion shafting, and comprises a magnetic force bearing module, a magnetic shaft sleeve, a magnet mounting base and a water lubricated bearing. The magnetic force bearing module and the water lubricated bearing are arranged in parallel in the axial direction of the stern shaft. The water-lubricated bearing is arranged on one side close to the propeller and is wholly soaked in a working medium; the magnetic shaft sleeve of a cylindrical structure is installed on a stern shaft, and a stern bearing is attracted under the action of a permanent magnet array in the magnetic force bearing module. And the magnet mounting base is used for supporting the magnetic force bearing module and regulating and controlling the magnetic force. According to the integral permanent magnet-water lubricated composite bearing, the permanent magnets and the water lubricated bearing in the integral permanent magnet-water lubricated composite bearing are structurally split, the mutual restriction of a magnetic force bearing module and a water lubricated bearing module in the aspects of space, size and performance can be effectively eliminated, and the use flexibility is enhanced; the bearing distribution of the shaft system can be optimized, and it is ensured that the tail shaft system has good dynamic stability.

The invention discloses an intention analysis method and device of an intelligent assistant, equipment, a storage medium and a product, and relates to the technical field of intelligent question answering, and the method comprises the steps: obtaining a user question input by a user; extracting slot position information associated with each agent from the user question based on a preset slot position extraction strategy; performing slot position standardization on the user question according to the slot position information; based on the standardized slot position of the user question, recalling a candidate agent matched with the user question; and performing intention understanding on the candidate agents through a large language model to determine an optimal agent. According to the technical scheme, the intent understanding of multi-intent sorting of slot extraction, semantic correlation and a large language model is combined, the difficulty of intent understanding is reduced, the intent understanding accuracy and answer effectiveness of the intelligent question and answer assistant are improved, and high robustness and high availability of intent understanding of the intelligent assistant are achieved.

The invention relates to the technical field of online education, in particular to an intelligent learning scene pushing system based on a spatio-temporal sequence, which comprises a spatio-temporal data acquisition module, a spatio-temporal feature analysis module, a learning scene recommendation module, a feedback collection module, a self-adaptive optimization module and a data security protection module, the spatio-temporal data acquisition module is used for acquiring learning time and spatial data of a user in real time, the spatio-temporal feature analysis module extracts a user learning rule based on data analysis, the learning scene recommendation module pushes learning content suitable for a current environment according to an analysis result, and the adaptive optimization module dynamically adjusts a learning strategy according to user feedback. Personalized learning experience is ensured, and the data security protection module guarantees user privacy and data security through encryption and authority management; according to the invention, accurate and efficient learning pushing can be realized under different learning situations, and the method is suitable for the fields of online education, intelligent learning platforms and the like.

The invention discloses industrial-grade mixed oil produced by utilizing kitchen waste oil and a preparation method of the industrial-grade mixed oil, and belongs to the technical field of recycling of the kitchen waste oil. The invention relates to industrial-grade mixed oil produced by using kitchen waste oil and a preparation method thereof, and the preparation method comprises the following steps: firstly collecting kitchen waste containing the waste oil, and storing the kitchen waste in a container through special equipment; carrying out screen solid-liquid separation, cleaning grease on the surface of the solid waste, and then carrying out precipitation separation; then carrying out centrifugal separation, chemical cleaning, water washing, acid treatment, dehydration, degumming and metal ion removal on the separated grease and oil-containing liquid; carrying out ultrasonic-assisted multistage ester exchange after enzymolysis optimization, carrying out membrane separation on glycerol and fatty acid methyl ester, and carrying out reduced pressure distillation to obtain a high-purity fraction; carrying out adsorption refining, plasma treatment and supercritical fluid extraction; finally, nano particles are added and blended with additives, efficient recycling of the kitchen waste oil is achieved, and then high-purity industrial-grade mixed oil is prepared.

The invention discloses an AI auxiliary screening method based on a mammary gland molybdenum target image, and relates to the technical field of image data identification processing, and the method comprises the following steps: S1, image collection: collecting mammary gland molybdenum target image data of a patient, carrying out the standardization processing, removing the noise in the image, standardizing the gray value, and enhancing the local contrast, and obtaining a structured image data set. According to the AI auxiliary screening method based on the mammary gland molybdenum target image, multiple machine learning algorithms are fused for focus classification, so that the classification accuracy is improved; multiple classification models are constructed in an integrated learning mode, prediction results are fused through a weighted average mechanism and a voting mechanism, model prediction confidence is calculated for weighted fusion, the advantages of all the models are brought into full play, and the limitation of a single model is reduced; the screening accuracy and efficiency of the mammary gland molybdenum target image are improved, the focus detection and classification difficulty is reduced, and the condition that the model has more false negative or false positive results is improved.

The utility model provides an electric connector with an integrated terminal, which comprises a rubber core main body, a rear cover plate and the integrated terminal, the rear side of the rubber core main body is provided with a first installation block protruding outwards, the first installation block is provided with a plurality of first jacks used for installing the integrated terminal, the rear cover plate and the first installation block are installed in a buckled mode, and the integrated terminal is installed on the rear cover plate. The rear cover plate is correspondingly provided with a second jack communicated with the first jack, the front side of the rubber core main body is provided with a first mounting cavity, the first jack is communicated with the first mounting cavity, a locking piece is buckled in the first mounting cavity and used for locking and limiting the integrated terminal, the locking piece is provided with a third jack communicated with the first jack, and the position of the third jack corresponds to that of the first jack. And a first waterproof gasket is arranged between the rear cover plate and the first mounting block. The electric connector with the integrated terminal has a certain waterproof function, the layout of all parts is compact, the assembly mode is simple and rapid, and the assembly efficiency of the electric connector is effectively improved.

The utility model discloses an out-of-focus protection desktop far-vision read-write device which comprises a plane spectroscope, a first concave reflector and a second concave reflector. Wherein the light reflected by the table top and an object placed on the table top is emitted to the plane spectroscope from the lower part and then is split; a first light ray formed by reflection of the plane spectroscope is reflected by the first concave reflector, then penetrates through the plane spectroscope and is emitted to an exit pupil position; a second light ray formed after penetrating through the plane spectroscope is reflected by the second concave reflector, is reflected by the plane spectroscope again and then is emitted to an exit pupil position; one of the first light and the second light emitted to the exit pupil position is imaged at a virtual image position not less than 3 meters in front of the exit pupil position, and the other one is imaged at a real image behind the exit pupil position to form positive defocus. According to the out-of-focus protection desktop far-vision read-write device, the coaxial optical system is used, an object placed on a desktop is amplified, projected and imaged, positive out-of-focus stimulation is provided, and myopia prevention and control are achieved.

The invention discloses a forming die and a forming method for a barrel with grid ribs, and belongs to the technical field of forming dies, the forming die comprises a male die assembly used for supporting the inner side of a barrel product and comprising a core barrel and a plurality of male die rings detachably connected with the core barrel; the two pressing rings are connected with the core cylinder; the female die assembly is used for supporting the outer side of the cylinder product and is formed by splicing a plurality of female die splicing blocks, the female die splicing blocks are detachably connected with the pressing ring, and a cavity for manufacturing the cylinder product is defined by the female die splicing blocks, the male die ring and the pressing ring; and the two supporting rotating shafts are used for transmitting rotating torque. The forming method comprises the steps that the core cylinder and the male die ring are installed at first, then materials are wound, and finally the female die splicing blocks are installed; heating, forming and cooling; the female die splicing blocks are dismantled firstly; and then the core cylinder is disassembled, and the male die splicing block is taken down. The difficulty of demolding the barrel product from the mold is effectively reduced, the material can be smoothly separated from the mold, and the original structure is kept, so that the quality of the product is improved, and the production requirement is met.

The invention discloses a customer service information generation method and system based on historical sessions. The method comprises the following steps: acquiring historical session data; performing vectorization operation on the historical session data to obtain a first target corpus; according to the vector similarity, clustering question sentences contained in the first target corpus to obtain a corpus class cluster; determining the corpus class cluster with the class cluster scale reaching a preset scale threshold as a target class cluster, and determining a target question statement corresponding to the target class cluster; determining a session context of the target question statement in the first target corpus, and generating target reply information based on the session context; obtaining current customer service session data, and performing vectorization operation on the customer service session data to obtain a second target corpus; and determining a target question statement and target reply information corresponding to the second target corpus, and generating customer service information. The AI configuration efficiency of the system is greatly improved, the intention of the user can be accurately judged, and the accuracy of customer service information is improved.

The invention relates to the technical field of aluminum ash treatment, in particular to a non-contact cooling and settling tower for pyrogenic treatment of secondary aluminum ash and a cooling method, the non-contact cooling and settling tower comprises a cooling and settling tower body, and the cooling and settling tower body is internally provided with a snake-shaped cooling pipe of a layered structure; the feeding hole and the discharging hole are respectively formed in two sides of the cooling settling tower body; the mounting frame is mounted on the feeding hole in a sliding manner, and two groups of filter plates are detachably mounted on the mounting frame; the switching structure is arranged on the cooling settling tower body and is connected with the mounting frame, the switching assembly can enable the two groups of filter plates to be alternately matched with the feeding hole, so that when one group of filter plates is blocked by impurities, the switching structure can drive the other group of filter plates to be switched to an area matched with the feeding hole, and the other group of filter plates can be switched to an area matched with the feeding hole. Therefore, the impurity filtering effect of the filter plate is improved, the speed of the aluminum ash entering the cooling settling tower body is more constant, and the treatment capacity and effect of the cooling settling tower body are improved.

The invention provides a full-automatic pointer type meter counting value recognition method based on OCR and key point detection. A system of the method comprises a meter detection module, a key point detection module, a digital recognition module and a reading analysis module. The method comprises the following steps: step 1, training neural network models in a meter detection module, a key point detection module and a digital recognition module in advance; step 2, acquiring and inputting an image containing a to-be-identified pointer meter, and detecting a dial plate area of the to-be-identified meter by using a meter detection module; 3, using a key point detection module to detect a pointer rotation axis point, a pointer tail end point, a dial scale starting point and a dial scale ending point for the identified dial region sub-image; step 4, detecting coordinates and numerical values of all scale numbers of the recognized dial region sub-image by using an OCR (Optical Character Recognition) algorithm; and step 5, according to the obtained forehead key point information and the scale reading information, using a reading analysis module to obtain a final meter reading.