408results about How to "Guaranteed correctness" patented technology

The invention discloses a block chain multi-node secure communication method for an industrial internet, and the method comprises the steps: constructing a multi-chain cooperation mechanism, and obtaining an inter-chain interaction path table; determining a task partition optimization scheme and inter-chain interaction path update data based on the inter-chain interaction path table; matching an adaptive node resource for each task according to a task partition optimization scheme; determining an encryption mechanism between a cross-chain protocol and a block chain according to the security requirement of the task; constructing a multi-level block chain node hierarchical architecture and an intra-chain and inter-chain communication architecture, and formulating a parallel communication scheduling scheme; formulating a dynamic load balancing strategy based on the node resource use condition and the task execution state; and obtaining the task execution progress and the resource use condition of each block chain node, and adjusting the task scheduling and cross-chain communication path. Through the multi-dimensional collaborative design, the execution efficiency, the resource utilization rate and the communication security of the industrial internet are remarkably improved, and the stability and the reliability in a complex multi-chain collaborative scene are ensured.

The invention relates to a text semantic conflict detection method for constructing context association based on a large model. The method comprises the following steps: S1, segmenting an original text by using a segmentation function; s2, performing triple information extraction on each segmented text by using a large model to generate a data set of an entity corresponding relationship; s3, extracting data groups of all entity pairs and relationships, and performing confidence evaluation; s4, aggregating all triads, constructing a affair graph, and pointing out a contradictory relationship with relatively low confidence in the affair graph; and S5, for the found contradictory relationship, performing semantic conflict repair in the text in combination with the large model. According to the method, the accuracy of information generation of the large language model is remarkably improved in a context association mode.

The invention relates to the technical field of machine vision, in particular to a stainless steel pipe production intelligent detection system based on machine vision, which comprises a shape evaluation module, a welding quality detection module, a welding quality analysis module, a pipe surface evaluation module, a cutting evaluation module, a process evaluation module and a management database, the system obtains the shape conformity degree of the stainless steel pipe according to the shape parameters of the stainless steel pipe, obtains the weld quality evaluation coefficient of the stainless steel pipe according to the weld defect parameters of the stainless steel pipe, and obtains the surface smoothness degree of the stainless steel pipe according to the surface parameters of the stainless steel pipe. The cutting evaluation coefficient of the stainless steel pipe is obtained according to the appearance parameters of the cutting face of the stainless steel pipe, then the procedure evaluation index of the stainless steel pipe is obtained through comprehensive analysis, the procedure evaluation index is fed back, unqualified products can be reduced, the yield is increased, and it is guaranteed that the performance of the produced pipe is consistent in all aspects.

The invention discloses a secure magnetic communication method and system based on a key index. The method comprises the following steps: generating four columns of chaotic sequences according to a set key initial value by using a four-dimensional hyper-chaotic model; inserting the two columns of chaos sequences into original transmission data, performing convolution encryption to obtain an encrypted bit stream, performing serial-parallel conversion on the encrypted bit stream to obtain a data matrix H, and performing subcarrier scrambling and symbol scrambling on the data matrix H in sequence according to the other two columns of chaos sequences to obtain a data matrix P; taking the key matrix as an index, performing QPSK mapping on elements in the data matrix P through a constellation codebook to obtain constellation points, and forming a constellation diagram by the constellation points; transmitting the constellation diagram to a receiver through a transmitter; in response to the constellation diagram received by the receiver, decrypting the constellation diagram to obtain original transmission data; according to the invention, the problem that the magnetic induction signal is easy to steal is solved, and the security of the communication system is improved.

The invention relates to a table question and answer method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a form file and question data uploaded by a target user; analyzing table information in the table file to obtain a candidate label set; based on the question data and the candidate tag set, determining a spoken language understanding result corresponding to the question data, wherein the spoken language understanding result comprises an intention and a keyword corresponding to the question data; performing reverse verification on the spoken language understanding result according to the question data to obtain a verification result; under the condition that the verification result indicates that the spoken language understanding result passes verification, a cue word is constructed according to table information, question data and the spoken language understanding result in the table file; calling the large language model according to the cue word for question-answering to obtain a question-answering result. By adopting the method, a large-data-volume table can be processed, and meanwhile, the accuracy and the stability of large-model table question answering can be improved.

The invention discloses a virtual-real fusion chemical experiment platform for real-time feedback based on multi-modal perception, and the platform comprises a video capturing module which carries out the video collection of a student experiment process, and captures the operation process of a student using an experiment apparatus; the target detection module is used for detecting various experimental apparatuses and chemical reagents involved in the chemical experiment process in real time; the HOI detection module is used for identifying an interaction behavior between the student and the experiment equipment in an experiment process and judging whether the interaction behavior is aligned with a key point in a preset experiment step or not; the feedback module is used for judging the correctness of the operation in the experiment process of the student according to the detection results of the target detection and the HOI detection, and carrying out feedback prompt in real time for wrong operation; through the video capture module, video acquisition can be carried out on the experiment process when a student independently carries out chemical experiment operation, and according to key nodes in set experiment steps, results of the target detection module and the HOI detection module are compared with those of the nodes to judge whether the operation of the student is correct or not.

The invention discloses a distributed simulation data dynamic management and control method, a storage medium and a system. The system comprises a data management and control master control service, a message subscription / release center, a data management and control module, a data encoding and decoding module and a playback generation module. According to the method, data interaction in the distributed simulation system is realized based on a subscription / release mechanism, and the problems that a simulation online entity cannot be dynamically adjusted and the same simulation data cannot be independently played back at the same time due to dependence on guide and interaction interface solidification in the playback process of the existing distributed simulation system are solved. The method does not depend on a simulation test guide control system for playback, and combines a subscription publishing mechanism of the message to simulate publishing and playback of the control message of the guide control system through the master control service. The clients originally participating in transmission in the simulation playback process can perform whole or partial online playback, and can perform mutually independent online playback on the same joint simulation test data at the same time; and in the playback process, the nodes in any state can be switched into online simulation again in the playback process.

The invention discloses a data synchronization method and device, equipment and a storage medium, and relates to the technical field of data processing, and the method comprises the following steps: collecting data change information, registering the data change information as a first data synchronization task, and after an online transaction is successfully submitted, trying to immediately synchronize data. And if the data immediate synchronization fails, converting the first data synchronization task into a data asynchronous task, and if the data asynchronous task fails to be executed, starting the data synchronization task which is not successfully scanned by the bottom timed task to obtain a second data synchronization task. And performing data synchronization again based on the second data synchronization task until the data synchronization succeeds or reaches a preset retry time threshold. Data synchronization tasks are persisted to a database by adopting database records, and unsuccessful data synchronization tasks are continuously executed by using timing operation, so that the consistency of execution of the data synchronization tasks and an online transaction processing result is ensured, and the correctness of data synchronization is ensured through an effective data checking mechanism.

The present disclosure relates to the technical field of computers, and discloses a content distribution network configuration method, apparatus, device, medium and program product, the method comprising: displaying a rule configuration page, the rule configuration page displaying a first condition configuration item of a content distribution network for a target domain name; in response to a configuration operation for the first condition configuration item, configuring and displaying a first condition group; in response to an action configuration instruction for the first condition group, displaying a first action configuration item; in response to a configuration operation for the first action configuration item, a first execution action corresponding to the first condition group is configured and displayed, and the execution opportunity of the first execution action is related to the judgment opportunity of the first condition group; and based on the first condition group and the first execution action, first processing information of the target domain name is generated, and the first processing information is used for processing the access request under the target domain name by the content distribution network. According to the invention, the problem of long time consumption of content distribution network configuration can be solved.

The invention discloses a device and a method for automatically measuring individual egg laying performance of family small-group caged geese, and the device comprises an egg laying detection device, a code spraying area device, a weighing area device, a combined goose cage, an egg detection module matched with the combined goose cage, a code spraying module, an information storage module, an information analysis module and a corresponding detection algorithm. Egg laying detection, egg laying performance detection, egg laying collection and other related work are carried out through a region division algorithm, a target persistence counting algorithm, an egg goose matching algorithm and an event triggering algorithm, the problems that resource space is wasted, independent cage culture facilities are high in cost and management cost are effectively solved, and the automation degree is greatly improved.

The invention discloses a database migration verification method and device, equipment and a storage medium. The method comprises the steps that data stored in an old database of an old system is migrated into a new database of a new system; obtaining a first response message obtained based on the request message of the old system and a second response message obtained based on the request message of the new system; comparing the first response message with the second response message to obtain a first comparison result; performing sampling comparison on the data tables of the new database and the old database to obtain a second comparison result; and evaluating difference data of the first comparison result and the second comparison result to obtain a verification result. According to the technical scheme, comprehensive verification from the data level to the function level is achieved, and the integrity and accuracy of database migration are ensured.

The invention discloses a blockchain identity privacy protection system. The system comprises a user, an authentication center, a transaction verification party and a supervision party, the user comprises a receiving party and a sending party, the receiving party and the sending party respectively generate a secret key, and a real-name authentication request is submitted to the authentication center by using a public key in the secret key; the sender respectively generates one-time public keys by using the public key of the sender and the public key of the receiver, and then generates transaction information by using the one-time public keys; and the supervisor extracts the supervision ciphertext from the transaction information, and decrypts the supervision ciphertext by using a private key in the supervision key to obtain the real identities of the sender and the receiver so as to realize off-line supervision. On the basis of ensuring identity secrecy of transaction participants, a supervisor is allowed to identify the real identity of a transaction party offline when necessary so as to realize controllable anonymous supervision requirements, correct operation of a protocol is ensured through an anti-quantum zero-knowledge proof technology, required computing resources and time are reduced, and correctness of communication data is ensured.

The invention provides a low-orbit satellite high-capacity software on-orbit reconstruction method and system, and belongs to the field of satellite on-orbit reconstruction, and the method comprises the steps: S1, carrying out the batch and framing processing of an ultra-large-capacity reconstruction packet on the ground; s2, the satellite-borne management software verifies and writes the information service unit DRAM temporary area; s3, the satellite-borne management software carries out continuity verification on the current batch of reconstruction files in the DRAM temporary area, a result is downloaded to the ground, and the ground carries out supplementary injection of an error-missing packet according to telemetering; s4, the spaceborne management software writes the reconstructed file which is verified to be normal into a FLASH buffer area; s5, the satellite-borne management software forwards the complete reconstruction files to a terminal reconstruction unit in batches; and S6, after the terminal reconfiguration unit operates the reconfiguration version for a period of time, the spaceborne management software writes the reconfiguration file into the FLASH solidification area according to a ground instruction, and the reconfiguration file is used as a backspacing version. According to the method, the problem of on-orbit reconstruction of ultra-large-capacity software is solved, and the reconstruction efficiency of the satellite in the controllable arc section is improved.

The invention relates to a database operation instruction execution method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: receiving a database operation instruction; the database operation instruction is used for executing data operation on a distributed database; the distributed database stores data in a distributed table through a plurality of fragments; splitting the database operation instruction to obtain a plurality of subtasks; and according to the dependency relationship between the sub-tasks and the task attributes corresponding to the sub-tasks, executing the sub-tasks on the fragments corresponding to the sub-tasks. By adopting the method, the operation and maintenance cost can be reduced.

The invention relates to the field of information security, in particular to a vulnerability reachability analysis and detection system based on a calling link JavaScr ipt component, and the system comprises an acquisition module which is used for acquiring a plurality of risk files from a project source code; the construction module is used for constructing an AST syntax tree according to a calling function of a code line in any risk file; the link generation module accesses the AST syntax tree through a traversal technology, obtains a function expression, obtains function calling information based on the function expression so as to construct a basic function calling link, and sequentially identifies and expands the basic function calling link into a multi-level function calling link according to the hierarchical structure of the basic function calling link; and the vulnerability detection module is used for querying by utilizing the vulnerability link rule and the multi-level function calling link, determining that the vulnerability is reachable if a vulnerability calling link fragment is queried, collecting the vulnerability and generating a vulnerability report. And the accuracy of vulnerability detection is improved.

The invention relates to a PCB screen printing automatic adjusting method and system, electronic equipment and a medium, and the method comprises the steps: obtaining a to-be-processed PCB file which comprises each component and a screen printing bit number corresponding to each component; for each component, marking the screen printing bit number corresponding to the component to the coordinate of the central position of the component; for each component, identifying a first area corresponding to the silk-screen bit number corresponding to the component and a second area corresponding to the component; and identifying a target area matched with the first area in an area outside a second area corresponding to the component, and adjusting the silk-screen bit number corresponding to the component from the first area to the target area. By means of the method, marking of the silk-screen bit number of each component is automatically achieved, manual intervention is reduced, and the correctness of the silk-screen bit numbers is ensured.

The invention provides a clock-domain-crossing synchronization circuit and method in an EMU simulation verification environment and a simulator. The clock-domain-crossing synchronization circuit and method in the EMU simulation verification environment are used for solving the technical problem that a clock-domain-crossing metastable state cannot be simulated in the EMU simulation verification environment simulated before chip design. The metastable state simulation circuit is added behind the trigger synchronization circuit constructed based on a multi-stage trigger cascade mode, the metastable state data output scene crossing the clock domain is simulated through the metastable state simulation circuit, and the technical scheme provided by the invention and a CDC simulation means in a DV design verification environment supplement each other; problems possibly generated by the tested design in a CDC scene can be effectively found in the early stage of chip verification, so that the correctness of chip design is effectively guaranteed, and the progress of chip research and development is accelerated.

The invention relates to the field of lens thickness testing, in particular to an intelligent optical lens thickness tester which comprises a testing component, a tester shell, a first electric telescopic rod arranged on the tester shell, a moving plate arranged on the first electric telescopic rod and a mounting box arranged on the tester shell. The two supporting shafts are arranged on the mounting box and the movable plate, the measuring sensors are arranged on the supporting shafts, and the lens body is arranged between the two measuring sensors. The rotating component comprises a rotating assembly arranged in the mounting box, a shifting assembly arranged on the moving plate, a guiding assembly arranged on the rotating assembly and a one-way assembly arranged on the guiding assembly; and the transposition part comprises a sliding assembly arranged on the moving plate and the mounting box. According to the invention, the lens body can automatically rotate, automatic replacement of monitoring points is carried out, multi-point testing is realized, and the detection result is more accurate.

The invention discloses a camera serial interface controller test system based on ZYNQ and HAPS and a method thereof. The system comprises a ZYNQ FPGA device serving as a master device and an HAPS FPGA device serving as a slave device. Wherein the interior of the ZYNQ FPGA device comprises a D-PHY module and a C-IL module, and the interior of the HAPS FPGA device comprises a CS I controller and a DDR memory; the ZYNQ FPGA device is connected with a camera, the camera transmits image data to the ZYNQ FPGA device through an MIPI interface, and the ZYNQ FPGA device converts the image data into a PPI interface signal and transmits the PPI interface signal to a CS I controller in the HAPS FPGA device; and the CS I controller processes the PPI interface signal, extracts image data from the PPI interface signal and stores the image data in the DDR memory. Through combined use of the ZYNQ FPGA device and the HAPS FPGA device, the MIPI analog signal output by the camera can be received, converted and processed, and then the performance and reliability of the CS I controller are verified.

The invention discloses a steel structure module building self-resetting detachable maintenance structure and a construction method. The steel structure module building self-resetting detachable maintenance structure comprises square steel tube beams and square steel tube columns, and the square steel tube beams and the square steel tube columns are welded and fixed to form a steel framework; the corrugated steel plate wall is connected with the steel framework and is connected with the square steel pipe beam or the square steel pipe column on the corresponding side through a detachable connecting assembly; the structure further comprises self-resetting energy dissipation supporting assemblies arranged on the two opposite side faces of the steel framework, and the self-resetting energy dissipation supporting assemblies are provided with inhaul cables made of shape memory alloy. According to the structure, the supporting pieces of the corrugated steel plate walls and the supporting pieces of the square steel pipe columns / square steel pipe beams on the corresponding sides are connected in an assembly mounting mode to form detachable connecting assemblies, the detachable maintenance function of the steel structure module building is conveniently achieved, and the energy dissipation and self-reset functions are achieved through the self-reset energy dissipation supporting assemblies.

The invention discloses a storage consistency verification method and system of an on-chip multi-core processor, a storage medium and equipment. The method comprises the following steps: obtaining at least one directed acyclic graph based on test memory access excitation randomly generated for a multi-core processor; converting each layer in the directed acyclic graph into a program which can be executed by an on-chip multi-core processor; and executing the program corresponding to each layer in the on-chip multi-core processor, and determining the storage consistency of the on-chip multi-core processor according to the execution result of the program corresponding to each layer. By implementing the embodiment of the invention, the consistency verification test efficiency can be improved, and the efficiency and accuracy of abnormal positioning can be improved.

The invention provides a decoding server suitable for multi-coding voice data, and the decoding server is provided with a plurality of decoders with different voice coding formats, and each decoder is optimized through the following method: a buffer which comprises a plurality of buffer queues and is used for receiving a voice decoding request, distributing the received voice decoding request to a cache queue for caching according to a dynamic distribution function; the voice decoding request comprises a coding format, a data frame length and a coding data stream; and the parallel processor comprises a plurality of decoding channels, each decoding channel corresponds to one buffer queue, and the parallel processor is used for reading the voice decoding request from the buffer, calling a corresponding decoder for decoding according to the encoding format in the voice decoding request, obtaining voice decoding data and transmitting the voice decoding data.

The invention relates to a residual stress testing device and testing method for a crane welding joint, the residual stress testing device comprises a rack, a mounting assembly, a load detection module, a displacement detection module and a processing module, the top of the rack is rotatably provided with two switching arms arranged at a right angle, and one switching arm is provided with an indentation instrument; an image acquisition module is arranged at the bottom of the other adapter arm; the mounting assembly is arranged at the bottom of the rack and is used for mounting a to-be-tested welding joint; the load detection module is used for detecting a pressure load applied to the surface of the to-be-detected welding joint by an indenter of the indenter; the displacement detection module is used for detecting the axial displacement of an indenter of the indenter; and the processing module is used for acquiring the residual stress according to the image before the load is applied to the to-be-tested position on the to-be-tested welding joint and the image after the load is applied to the to-be-tested position. According to the invention, the accuracy of test results is ensured.

The invention provides a transformer body positioning structure and a transformer, the transformer body positioning structure comprises an upper positioning assembly and a lower positioning assembly, the upper positioning assembly comprises a positioning insertion plate with an inclined part and a support plate with a groove, and the positioning insertion plate is inserted into the groove; due to the existence of the inclined part, the transformer body is close to the center of the oil tank in the descending process; the lower positioning assembly is provided with a main spring, an auxiliary spring, a damping pad, a positioning nail and a positioning ring, the top of the positioning ring is conical so that the transformer body can be further corrected in the descending process, the main spring, the auxiliary spring and the damping pad have the damping effect and can protect the transformer body, and the top of the positioning nail is conical; the positioning ring is provided with a conical groove matched with the positioning nail, and when the transformer body is installed, the positioning ring presses the positioning nail downwards under the action of gravity, and the positioning nail is connected with an installation hole in the transformer body in a pressing mode. And through the arrangement of the upper positioning assembly and the lower positioning assembly, the descending efficiency of the transformer body is high, the accuracy is high, the damping effect is achieved, and the transformer body can be better protected.

The present invention relates to a method for analyzing the age of tap water, comprising: step (1): obtaining user water use history data, and predicting the user water use pattern according to the obtained user water use history data; step (2): constructing a hydraulic model according to the user water use pattern and pipe network data; step (3): calculating the actual water age of the user tap through the hydraulic model; step (4): comparing the actual water age of the user tap with a preset threshold, and judging whether it is necessary to remind the user to drain water according to the comparison result. The present invention effectively identifies users whose water age is too long by calculating the water age of the user tap.

The invention relates to a user interface debugging method, device and system and a readable storage medium, the method is applied to a debugging server of a user interface debugging system, the user interface debugging system further comprises a debugging tool module and a user program module, the debugging tool module is in communication connection with the debugging server, and the user program module is in communication connection with the debugging server. A debugging server and a user program module synchronize data through a shared memory, the method comprises the steps that a debugging request sent by a debugging tool module is received, and the debugging request comprises the name and debugging parameters of a target user interface; calling the target user interface based on the name of the target user interface; obtaining preposed data stored in the shared memory, and executing the target user interface based on the preposed data and the debugging parameters to obtain a response result of the debugging request; and the response result is sent to the debugging tool module. The problems that the user interface debugging efficiency is low and the debugging tool maintenance workload is large are solved.

The invention discloses an electric power system voice instruction recognition method based on machine learning, and belongs to the field of electric power operation control. Comprising the following steps: identifying a voice instruction of an electric power system operation order to assist an operator to operate a switching operation order operation instruction; reading of a switching operation order operation instruction and first-time voice retelling are carried out on the mobile terminal, and the system carries out first-time voice recognition; carrying out second voice retelling on the mobile terminal, and carrying out second voice recognition; and only if the repeating of the secondary voice instruction is successful, the matching of the single switching operation ticket is completed. Checking operation is carried out on the voice retelling of the first person and the voice retelling of the second person, and checking of retelling instruction identification information is completed; after the operation auditing is completed, the information of the operation ticket operation is synchronously filled into the operation ticket document, so that the step of manually filling the operation information of the operation ticket is reduced, the correctness of the switching operation is ensured, and the flow control of the switching operation ticket operation is realized in a wireless network environment.

The invention belongs to the technical field of load distribution of gas-steam combined cycle units, and discloses a load distribution method of a gas-steam combined cycle unit. The load distribution method comprises the steps that a steady-state working condition data set of each unit serves as data input, and a gas consumption rate prediction model of each unit is established; and taking the minimum total gas consumption rate of the whole plant as an output target, applying the gas consumption rate prediction model of each unit to obtain a global optimal solution set, and carrying out load distribution on the multiple units according to the global optimal solution set. According to the load distribution method of the gas-steam combined cycle unit, the load distribution of each unit is carried out through the generated global optimal solution, so that each unit can operate under the conditions of the most efficient and the highest energy under the condition of stable and safe operation, the performance of each unit is fully mobilized, and the load distribution efficiency of each unit is improved. And energy conservation and consumption reduction are realized while the productivity efficiency is improved.

The invention discloses an auditing process and authority control management system and method applied to data sharing, belongs to the auditing process and authority control management system and method applied to data sharing, and aims to solve the technical problem of how to realize management control of an auditing process and resource use authority of resource sharing. Comprising a resource data management module, a resource application management module, a resource authorization monitoring module, an authority management module and a message management module, and can realize strict control of auditing processes and use authorities related to resource authorization in a data sharing process. The resource authorization monitoring module and the authority management module are matched to strictly control the use range and the use time limit of resources, and the resource use reasonability and the resource application correctness are guaranteed; rapid application methods such as resource application search, batch application and form content default are provided, the application efficiency is greatly improved, functions such as auditing verification, information notification and batch auditing are provided, and the auditing efficiency is effectively improved.