160results about How to "Avoid repetition" patented technology

The invention discloses a PID (Proportion Integration Differentiation) parameter optimization method based on an improved graffiti search algorithm, and relates to the technical field of PID. The invention aims to solve the problems of insufficient local search capability, slow convergence speed and poor system stability in the prior art, thereby realizing a better PID parameter optimization effect. Specifically, the PID parameter optimization method based on the improved graffiti search algorithm comprises the following steps: constructing a PID controller model; a step of replacing a fixed perception probability and a step length in the model with an adaptive perception probability and a Levy flight step length; a step of adding a crow misleading prevention factor into the model; and acquiring preset parameters in the PID controller model based on a particle swarm algorithm. The preset parameters comprise proportional (Kp), integral (Ki) and differential (Kd) parameters. Parameters of the Levy flight step length are dynamically adjusted through a Bayesian optimization algorithm. The method is suitable for being applied to PID parameter optimization work.

The invention relates to the technical field of laser control, in particular to a laser power correction method and system. The laser power correction method comprises the following steps: acquiring an actual power value corresponding to an actual current value of a laser; fitting based on the actual current value and the actual power value to obtain a fitting broken line; wherein the fitting broken line comprises a plurality of fitting straight lines, and the fitting straight lines correspond to different power intervals of the laser; calculating a proportionality coefficient according to the fitting straight line and a proportionality coefficient calculation formula; according to the proportionality coefficient, a current correction value calculation formula and a power set value of the laser, a current correction value corresponding to the power set value is obtained through calculation, and the current correction value is stored. The current correction value is used as the driving current of the laser, so that the actual output power of the laser is the power set value of the laser, and the accuracy of the laser output power is improved.

According to the intelligent substation virtual circuit checking rule base construction method and system provided by the invention, the intelligent substation virtual circuit checking rule base is quickly constructed through sample learning, the risk of incorrect protection action caused by virtual circuit errors is reduced, and the safety and stability of a power grid are improved; the intelligent substation virtual circuit checking rule base construction method comprises the following steps: step 1, creating an intelligent substation virtual circuit checking rule model; step 2, acquiring an intelligent substation configuration file sample; 3, analyzing a configuration file sample of the intelligent substation, and extracting a relation topology; 4, searching whether the extracted attribute tag and the relation topology exist or not, and returning a search result; 5, if the retrieval result responds, rule creation is not carried out; step 6, if the retrieval result is not responded, checking by an expert; and step 7, instantiating the secondary equipment entity virtual loop checking rule model of which the retrieval result does not respond to the secondary equipment entity virtual loop checking rule model, and generating a virtual loop checking rule.

The invention relates to the field of financial science and technology, and discloses a transaction management method and device, equipment and a medium, and the method comprises the steps: obtaining a transaction order generation request; analyzing the transaction order generation request to generate user account information and transaction content information representing a transaction type; when the transaction type is a refund transaction, generating a repeated transaction query request; generating first query information corresponding to the service end and second query information corresponding to the fund management end based on the repeated query request; determining whether the transaction request is a repeated refund request according to the first query information and the second query information; if the transaction request is not a repeated refund request, the refund transaction order is sent to the fund management end to execute a corresponding refund behavior, and whether the refund is returned to the user is determined by querying and retrieving the transaction records of the business end and the fund management end, so that the refund transaction is prevented from being repeated, and the fund management safety of the fund management end is improved.

The invention provides a range switching circuit, a current detection circuit and an alternating current measuring instrument, and relates to the technical field of electric measuring instruments. The range switching circuit comprises a current input port which comprises a positive terminal and a negative terminal; the current and voltage conversion unit comprises a plurality of range gating branches, each range gating branch comprises a primary coil, a dotted terminal of the primary coil is electrically connected with the positive terminal, and a synonym terminal of the primary coil is electrically connected with the negative terminal; the bidirectional voltage limiting circuit is connected in parallel with the current input port and comprises a positive voltage limiting circuit and a negative voltage limiting circuit which are connected in parallel; the input negative electrode of the compensation unit is electrically connected with the dotted terminal of the primary coil, and the input positive electrode and the output end of the compensation unit are electrically connected with the synonym terminal of the primary coil. According to the invention, the amplitude of current impact on the sampling resistor can be obviously reduced, the damage caused by inconsistent measuring range is avoided, and the overall reliability of the alternating current measuring instrument is improved.

The invention provides a Kyber and SM3 fused post quantum cryptography encryption system, method and device. The control logic module controls the execution round number of SM3 in the Hash module according to the random number length required by the NTT module in different modes; the interception unit intercepts the effective length of each round of hash value; the filling unit fills the input message of each round of SM3; the Hash module determines the number of rounds required to be executed by the SM3 according to the lengths of the hash values required by different modes, and intercepts the effective length of each round of hash value; the NTT module is used for calculating polynomial multiplication in the Kyber algorithm; the NTT module comprises a butterfly unit and a control unit, the butterfly unit is used for calculation of modular addition, modular subtraction and modular reduction, and the control unit determines an operation mode of the NTT module; and the sampling module comprises a sampling rejection unit and a central binomial distribution sampling unit, the sampling rejection unit is used for sampling to obtain a public matrix, and the central binomial distribution sampling unit is used for sampling to obtain a noise vector. The scheme meets the safety standard of China and is reliable in safety.

The invention relates to an optimized regulation and control method based on a model considering an uncertain source load operation scene, and the method comprises the steps: solving a predicted value of conventional load power through a load power prediction method, such as a neural network method, and solving predicted values of wind power output and photovoltaic output through a distributed power output prediction method, such as a data statistics prediction method; a prediction error distribution function of wind power output and load power is combined, a source load operation scene generation model considering prediction errors is established, a large number of original source load operation scenes are generated, an improved hierarchical K-means clustering algorithm is used for extracting the original source load operation scenes, and a source load uncertainty model based on the multi-scene technology is established; compared with the prior art, the method has the advantages that the calculation complexity is simplified while the uncertainty influence caused by prediction errors is fully considered, the dependence of a traditional clustering algorithm on the number of target scenes is avoided, and the strong uncertainty of the source side and the load side of the power distribution network is accurately described.

The invention provides a multi-path harmonic waveform output method and device, a storage medium and output equipment, and relates to the technical field of harmonic power sources. The output method comprises the following steps: under the condition that a controller receives a waveform output signal, determining a period register value corresponding to a timer unit based on a waveform configuration parameter; determining a digital-to-analog conversion output value corresponding to each waveform point data of the harmonic waveform to obtain waveform point conversion information; and controlling the timer unit to start counting, and outputting a corresponding digital-to-analog conversion output value by the digital-to-analog conversion channel based on the to-be-output waveform point data and the waveform point conversion information under the condition that a counting value of the timer unit is matched with a period register value. The invention designs the waveform output equipment which can pass through the MCU and the digital-to-analog conversion chip, and provides a method capable of realizing synchronous output of multiple paths of harmonic waveforms, so that the hardware complexity of the waveform output equipment is reduced, and the cost of the waveform output equipment is reduced.

The invention provides a serial number generation method and device. The method comprises the following steps: receiving a serial number application request sent by any instance in a micro-service application program; sending a registration request to a global sequence management service to obtain an instance identifier allocated by the global sequence management service for the instance; generating a clock identifier corresponding to the instance based on a first preset rule, and initializing a local sequence number corresponding to the instance; and generating a target serial number according to the current timestamp, the instance identifier, the clock identifier and the initialized local sequence number, and sending the target serial number to the instance, so that in the process of generating the serial number, a centralized serial number generation method is not adopted; according to the method, the serial number generation component is integrated into the micro-service application program by using the thought of a distributed architecture, and the global sequence management service is added to uniformly manage the sequence, so that the serial number is directly generated locally, the performance of serial number generation is greatly improved, and the requirements of a distributed business system in a financial scene can be met.

The invention provides an invoice application management method, an invoice application management device and a computer readable storage medium. The method comprises the following steps: acquiring invoice operation request information sent by a business system; furthermore, an invoice operation interface is provided for the business system, operation information executed by the user on the invoice operation interface is acquired, and corresponding target operation is executed according to the operation information; the target operation comprises querying a target invoice from a preset invoice pool, uploading the target invoice to the invoice pool or issuing the target invoice, invoice information of a plurality of invoices is recorded in the invoice pool, and a business invoice relationship between each occupied invoice and the associated business is recorded in the invoice pool; and obtaining a request for establishing business invoice relation data for the target invoice sent by the business system, searching the corresponding target invoice according to the business invoice relation data, recording the target invoice as an occupied state, and recording a target business occupying the target invoice. The invention further provides an invoice application management device for implementing the method and a computer readable storage medium. Unified invoice management in an enterprise can be realized, and data redundancy is avoided.

The embodiment of the invention provides a data processing method and device, electronic equipment, a storage medium and a program, and the method comprises the steps: responding to a data query instruction, and obtaining global index information; obtaining target time sequence information from a preset time sequence database according to the data block index; and obtaining target sampling data according to the target data block and the position index information. By creating global index information, index index data capable of being reused by sampled time series data are unified and integrated, and only index data changing in corresponding time needs to be stored in each data block based on local index information, so that when the index data are archived and compressed, the index data written into a disk can be reduced, and the efficiency of archiving the index data is improved. Storage control is saved, index data read from a disk can be reduced during data query, and the purpose of improving query efficiency is achieved.

The invention discloses a positioning and clamping device for profile machining in the technical field of linear module production equipment. The positioning and clamping device comprises a positioning base, a feeding table, a clamping mechanism and a moving mechanism. A machining positioning groove is formed in the upper end of the positioning base. A feeding groove is formed in the upper end of the feeding table. The material clamping mechanism comprises a material clamping frame, a left clamping piece, a right clamping piece and a material clamping driving component. The left clamping piece and the right clamping piece are arranged on the material clamping frame in a left-right mode. And clamping parts for clamping materials are arranged at the rear ends of the left clamping piece and the right clamping piece. And the material clamping driving component is used for driving the two clamping parts to be close to each other or away from each other. The material moving mechanism is used for driving the material clamping mechanism to move between the machining positioning groove and the feeding groove. According to the positioning and clamping device for profile machining, automatic clamping, carrying and feeding of machined materials can be achieved, and the production efficiency is improved. And machined materials can be positioned through the groove-shaped structures at the feeding position and the machining position, and repeated tool setting is avoided.

The invention provides a control method and device of cooking equipment, a readable storage medium and the cooking equipment, and relates to the technical field of cooking equipment. The control method comprises the steps that the cooking equipment is controlled to execute cooking operation, and a hot air assembly is controlled to heat a cooking cavity and used for conducting heating disturbance on gas in the cooking cavity; wherein the cooking operation comprises at least one cooking stage; determining a target cooking stage in the at least one cooking stage; in the target cooking stage, a ventilation assembly is controlled to introduce oxygen-containing gas into the cooking cavity; wherein the temperature of the oxygen-containing gas is smaller than or equal to the temperature of the gas in the cooking cavity; in the cooking operation execution process of the cooking equipment, the cooking duration of the ventilation assembly is controlled to be smaller than or equal to the cooking duration of the hot air assembly. The oxygen-containing gas is actively introduced into the cooking cavity in the cooking stage, the content of harmful substances in the air frying cooking process is reduced, generation and residues of harmful substances such as acrylamide are reduced, and healthy soft fire cooking is achieved.

The invention discloses an article recommendation method, electronic equipment, a storage medium and a program product, and relates to the field of large model technology and data recommendation. The method comprises the steps that in response to a detected article recommendation instruction, article feature vectors of recommended articles are obtained, and the recommended articles comprise a first article displayed to a user and a plurality of second articles waiting to be displayed to the user; inputting the feature vector combinations corresponding to the plurality of second articles into a sequence recommendation model, and screening out a target article from the plurality of second articles by using the sequence recommendation model; an article recommendation sequence is updated based on the target article to obtain a target recommendation sequence, and the article recommendation sequence is used for displaying the first article to the user; and outputting the target recommendation sequence. The technical problem that the interest of the user in browsing the articles is affected due to the fact that the articles pushed to the user are lack of diversity in the related technology is solved.

The embodiment of the invention provides a graph construction method and device, electronic equipment and a storage medium, and belongs to the technical field of resource big data. The method comprises the steps of obtaining text data, and splitting the text data to obtain sentence data; performing semantic analysis on the sentence data to obtain a resource data model; obtaining a target label, and associating a field in the resource data model with the target label to form a genetic map; and detecting and merging repeated nodes of the gene map, and fusing the nodes to obtain a resource gene pool map. According to the embodiment of the invention, the construction period of the gene pool can be shortened, and the data accuracy is improved.

The present invention discloses a control method for data cloud quality inspection and a data cloud quality inspection system. The control method is applied to the data cloud quality inspection system, which includes a database, an inspection rule base and several quality inspection modules; the several quality inspection modules include at least a first quality inspection module and a second quality inspection module; the control method includes: controlling the first quality inspection module to obtain first data to be inspected in the database, performing quality inspection on the first data according to a first inspection rule, and generating a first quality inspection result; the first inspection rule is obtained from the inspection rule base; if the quality inspection of the first quality inspection module passes, the second data after quality inspection and the first quality inspection result are sent to the second quality inspection module, so that the second quality inspection module reviews the second data according to the first quality inspection result, and generates a second quality inspection result, so as to improve the work efficiency of data quality inspection and database construction.

The application discloses a double-reference parameter fusion DSQM non-cooperative signal separation method, device, equipment and medium, and relates to the technical field of digital signal processing.The method comprises the following steps: receiving an input signal and performing symbol extension; estimating an original input noise standard deviation, a weak signal and a signal-to-noise ratio, and calculating a right shift number and a dynamic weighted fusion coefficient; performing perturbation injection and phase compensation on the extended signal to generate an actual separation input signal, and estimating a noise standard deviation thereof; calculating an adaptive shift number k of the modified signal-to-noise ratio according to the original input weak signal and the actual separation input signal by using a dynamic weighted fusion algorithm; further calculating a left shift number m; amplifying the actual separation input signal by shifting the actual separation input signal left by m bits; sequentially performing right shift n-bit and left shift n-bit to extract a strong signal component; performing time domain subtraction to separate a weak signal component; respectively shifting m bits to the right to recover the magnitude; then respectively performing symmetric saturation truncation and asymmetric truncation to recover the bit width output. The application improves the signal separation quality.

A closure system for door openings defined in a wall (P) and comprising:-a quick-opening door (1) adjustedly installed within the door opening (H) and featuring a flexible roll-up sheet (11), an upper casing (12), and vertical uprights (3) equipped with guides (31) for the displacement of the flexible sheet (11); a fire door (2) installed at one side of the wall and comprising at least one fireproof layer (21, 23), for the opening and closure of the door opening (H), a perimeter frame constituted by the vertical uprights (3) and a rearward fireproof cover (4) of the upper casing (12) of the quick-opening door (1).

The invention discloses a traditional Chinese veterinary medicine composition for preventing and treating respiratory diseases of newborn calves in northern cold regions, and belongs to the technical field of traditional Chinese veterinary medicines. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 16-24 parts of cassia twig, 16-24 parts of raw radix paeoniae alba, 8-12 parts of honeysuckle, 8-12 parts of dandelion, 8-12 parts of burdock, 8-12 parts of divaricate saposhnikovia root, 3-7 parts of honey and 3-7 parts of liquorice. The traditional Chinese veterinary medicine composition prepared in the embodiment 1 is used for feeding newborn calves to prevent respiratory diseases, and the morbidity can be reduced by 40%. When the traditional Chinese veterinary medicine composition is used for treating respiratory diseases of newborn calves, compared with a treatment group independently using ceftiofur sodium, the cure rate is improved by 13.6%, and the cure time is shortened by 36.24 h.

This invention relates to the field of pole production and manufacturing execution management, and discloses an intelligent pole production execution management system based on the Internet of Things (IoT). The system includes a data acquisition unit, an edge processing unit, a cloud management platform, an intelligent analysis unit, and a human-machine interaction unit. The system collects data on raw material ratios, mold status, curing temperature, humidity, and other detection data through sensors. The edge processing unit identifies anomalies in real time and performs rapid adjustments. The cloud management platform generates a digital twin of the pole and combines it with an algorithm model to adaptively adjust curing temperature, minimize energy consumption, predict lifespan, predict production capacity, and assess mold lifespan. The human-machine interaction unit presents process information to operators through an augmented reality terminal and supports two-way feedback. This system enables real-time monitoring and closed-loop optimization of the entire pole production process, reducing energy consumption, improving consistency, extending service life, and significantly enhancing the intelligence and reliability of the production process.

The present disclosure provides a method, device and electronic device for processing vehicle network data, the method comprising: receiving traffic message data through a data interface; processing the traffic message data to obtain basic traffic data; acquiring demand information of a target application according to scheduling information; acquiring target data from the basic traffic data according to the demand information; generating a target data frame based on the target data, and outputting the target data frame to the target application through a data interface.

The invention relates to the technical field of intelligent on-demand switching, and particularly discloses an intelligent on-demand switching method for local music and online music, and the method comprises the following steps: S1, obtaining a music playing record in a monitoring period, carrying out the statistics of the total playing times of different music and the music playing times in different time intervals, and carrying out the statistics of the total playing times; counting the number of times of complete playing, calculating a favorite coefficient, and calculating an initial music value; s2, sorting music in the music playing record according to the size of the initial music value, generating a playing sequence, and starting playing from the first position of the playing sequence; and S3, obtaining target music, screening music to be selected from the target music, calculating music popularity of the music to be selected, calculating music values of the music to be selected, and putting the music to be selected with the maximum music value into the playing sequence. The song list is reasonably arranged according to the historical song listening records of the user, and meanwhile repeated types of songs are prevented from appearing repeatedly.

The invention relates to the technical field of automatic driving, in particular to an intelligent driving system test scene building system based on natural driving environment collection data. The system sequentially comprises data preprocessing and quality control, automatic screening of a test main vehicle, automatic identification of a high-value test scene based on the main vehicle, similarity measurement of the test scene, clustering based on the similarity measurement of the test scene and representative simulation test scene reconstruction extracted based on a clustering result. According to the method, by means of noise deletion, track smoothing and the like, the quality of original data is remarkably improved, the influence of noise data is reduced, the accuracy and reliability of subsequent analysis are improved, and a set of comprehensive test scene recognition rules is utilized to automatically recognize a high-value test scene.

The invention provides an insulation resistance detection circuit, a control method and device thereof and photovoltaic equipment, and relates to the field of photovoltaic technologies. The insulation resistance detection circuit comprises a sub-detection circuit, the sub-detection circuit comprises a positive detection resistor and a negative detection resistor, and the sub-detection circuit is used for detecting the bus voltage between a positive bus and a negative bus through the positive detection resistor and detecting the negative voltage to ground of the negative bus through the negative detection resistor; wherein the number of the sub-detection circuits is two, the two sub-detection circuits comprise a first sub-detection circuit and a second sub-detection circuit, the resistance value of the positive electrode detection resistor and the resistance value of the negative electrode detection resistor in the first sub-detection circuit are not equal, and the resistance value of the positive electrode detection resistor and the resistance value of the negative electrode detection resistor in the second sub-detection circuit are equal. According to the invention, low-cost and high-reliability insulation impedance detection is realized.

The invention provides a text recommendation method and device, electronic equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: acquiring a plurality of session texts in a target application scene, and constructing a session graph network according to session attributes of the session texts; wherein the session graph network comprises a plurality of nodes and a plurality of edges, each node corresponds to one session text, and each edge is used for representing an association relationship between the session texts corresponding to the associated nodes; based on the association relationship represented by each edge in the session graph network, performing semantic conversion processing on the session text corresponding to each node in the session graph network to obtain semantic features of the session text corresponding to each node; and performing clustering processing based on the semantic features of the session text corresponding to each node to obtain a clustering result, and performing text recommendation on the target application scene according to the clustering result. Through the method and the device, the text recommendation accuracy can be improved.

The present application relates to an electronic device and a method of controlling an electronic device. The electronic device includes a communication processor including a first communication circuit configured to support a first cellular communication, a second communication circuit configured to support a second cellular communication, and a temperature sensor configured to sense a temperature of the first communication processor and / or the second communication processor; and an application processor configured to receive, by the application processor, information related to a temperature sensed by the temperature sensor and information related to data transmission via the second communication circuit, and determine, by the application processor, whether to request the communication processor to change from a first mode to a second mode based on the information related to the sensed temperature and the information related to the data transmission via the second communication circuit.

This invention discloses a container operation method and apparatus. The method includes: receiving communication information sent to a target application; based on the communication information, obtaining a target container in a container space corresponding to the target application from which the process running the target application is located; wherein the container space corresponding to the target application has a unique correspondence with a set range of container encoding values; and sending the communication information to the target container, enabling the process of the target application to receive the communication information. This invention solves the technical problem caused by potentially poor isolation between containers within a system.

The utility model discloses a kind of lithium battery slurry multilevel filtering and impurity removing devices, including filter box, the filter box top end is connected with input pipe, the one end of input pipe is rotatably connected with connecting hose, connecting hose one end is fixedly connected with cloth pipe, cloth pipe is inclined structure, the inner wall of filter box is fixedly connected with slide rail, slide rail inside is slidably connected with sliding ring, recess is established in the top of sliding ring, recess inside is provided with gear ring, the top of gear ring is engaged with driving gear, driving gear one side is connected with driving motor, the bottom of sliding ring is connected with connecting rod, connecting rod one end is fixedly connected with cloth pipe, cloth pipe bottom is provided with first filter screen. The device can realize the uniform contact of material and first filter screen and second filter screen, thereby avoiding the phenomenon that first filter screen and second filter screen contact material repeatedly at one position, avoiding the problem that first filter screen and second filter screen are prone to blockage, guarantee the filtering efficiency of first filter screen and second filter screen.

The invention relates to a PON (Passive Optical Network) equipment automatic discovery method based on an SSH (Secure Shell) protocol, which is particularly suitable for automatic identification and association of an optical line terminal and optical network unit equipment in a PON network. The method comprises the following steps: 1, simulating SSH login equipment to obtain information; 2, automatically discovering the PON equipment and constructing a link; and 3, topological mapping of the PON network. In the step 1, 1.1, SSH protocol connection and command execution are carried out; 1.2, extracting and analyzing information; 1.3, key information is stored. In the step 2, 2.1, a unique identifier is customized; 2.2, automatically discovering the PON equipment; and 2.3, constructing a PON (Passive Optical Network) link. By using the method provided by the invention, the barrier of manufacturers can be broken through, and unified acquisition, monitoring and management of OLT and ONU equipment of different manufacturers can be realized.

The invention relates to a network testing method, device and equipment, a readable storage medium and a program product. The method comprises the steps of obtaining network information corresponding to each to-be-tested node in a storage system, performing multiple times of matching on each to-be-tested node to obtain a matching result corresponding to each matching process, and controlling each to-be-tested node to perform multiple times of concurrent network testing according to each piece of network information and each matching result. Wherein the matching results comprise pairing relationships among the to-be-tested nodes, and different matching results comprise different pairing relationships. By adopting the method, the network testing efficiency can be improved.