22results about How to "Guaranteed authenticity" patented technology

The invention relates to the technical field of image semantic segmentation, in particular to an intelligent landslide identification method based on multi-source remote sensing image fusion. Comprising the following steps: calculating a gradient matrix and a water flow convergence index based on a digital elevation model, searching and determining a physical prior interval of cohesive force and an internal friction angle based on geological lithology data, and constructing an input tensor; extracting a surface semantic feature map of the optical image by using visual perception branches through a double-branch coupling network; based on a physical prior interval, mapping branches by using physical parameters, and carrying out nonlinear mapping to obtain a limited rock-soil mechanical parameter diagram; and calling a micro infinite slope stability layer, executing forward derivable calculation based on a limit equilibrium equation, generating a slope stability coefficient field, constructing physical attention gating, executing Hadamard product operation, and generating a semantic feature tensor. Through deep coupling integration and collaborative optimization of the visual perception branch and the physical parameter mapping branch, the true effectiveness of the obtained position data is ensured.

The utility model discloses a railway maintenance machinery brake system simulation practical training device, which belongs to the technical field of teaching equipment and comprises a display cabinet, a YZ-1 brake system, a YZ-1G brake system and a main air reservoir are arranged on the display cabinet, an air inlet end and an air exhaust end are arranged on the main air reservoir, the air inlet end of the main air reservoir is connected with an air compressor, and the air exhaust end of the main air reservoir is connected with an air outlet of the air compressor. The air exhaust end of the main air cylinder supplies air to the YZ-1 braking system and the YZ-1G braking system through a three-way connector, and a switching assembly is arranged on a connecting pipeline of the YZ-1 braking system and the YZ-1G braking system. Practical training teaching of a YZ-1 braking system and a YZ-1G braking system can be realized on one set of simulation practical training equipment, sharing of a common part is realized by the two sets of braking systems, the utilization rate of teaching equipment is improved, virtual-real combined teaching is beneficial to mastering of a large-scale road maintenance machinery braking technology, and the teaching efficiency is improved. And the YZ-1 braking system and the YZ-1G braking system are parts on a real vehicle, so that the real accuracy of simulation practical training is ensured.

The utility model discloses a positioning device of a geological engineering surveying and mapping instrument, which comprises a base, a leveling seat is arranged above the base, and leveling screws are arranged between the periphery of the leveling seat and the base. The leveling screw penetrates through the surface of the leveling seat, an adjusting nut is arranged on a rod body, located between the leveling seat and the base, of the leveling screw, a positioning plate is arranged in the middle area of the leveling seat, and mounting plates with symmetrical structures are arranged on the two sides of the leveling seat. A universal gradienter is arranged on the surface of the mounting plate on one side, and a compass is embedded in the surface of the mounting plate on the other side. The positioning device is mainly used for adjusting the centering deviation of the prism base of the surveying and mapping instrument, the adjusting and positioning efficiency can be improved, the centering deviation is reduced, and the truth and reliability of subsequent surveying and mapping data are guaranteed.

The invention relates to the field of sample detection, and provides an automatic detection laboratory, which comprises a laboratory main body, a control system, a mobile robot, a sample separation work station and a plurality of detection work stations, a work station setting area and a moving channel are arranged in the laboratory main body, the sample separation work station and the plurality of detection work stations are arranged in the work station setting area, and the moving channel is used for the moving robot to walk; the sample separation work station is used for preparing a to-be-detected sample, and the mobile robot is used for transporting the to-be-detected sample to each detection work station; the plurality of detection work stations are used for detecting different indexes of the to-be-detected sample; the control system is in communication connection with the mobile robot and the detection workstations. According to the invention, sample separation, transportation and detection operations can be automatically realized, the detection efficiency of the to-be-detected sample is ensured, excessive participation of personnel is not needed, related detection items are automatically completed by each detection station, the influence of manual operation and subjective judgment of the detection personnel on the detection result is avoided, and the authenticity and effectiveness of the detection result are ensured.

The invention discloses a multi-party key authentication method based on Internet of Things data transmission, and relates to the technical field of communication. The method is based on necessary parameters generated by a key generation center; determining user registration information and equipment registration information on the basis of the biological characteristics of the user and a gateway private key by the key generation center; sending the biological key, the user identity identifier and the first timestamp of the user to a gateway to verify the legality of the user; sending the device identity and the first timestamp of the device to a gateway to verify the validity of the device; when the user is legal and the equipment is effective, determining a group key, a user second timestamp, an equipment second timestamp, target equipment information and target user information based on the gateway; verifying the device according to the target device information and the second timestamp of the device; verifying the user according to the target user information and the second timestamp of the user; and when the user is legal and the equipment is valid, the group key and the equipment private key are sent to the equipment and the user, so that the security of data transmission in the Internet of Things is effectively guaranteed.

This invention relates to the field of charging management technology, and in particular to a charging optimization scheduling method that integrates an embedded carbon flow engine with vehicle-charging pile collaboration. The method includes the following steps: S1: Fusion of multi-source data layers for dual energy and carbon control; S2: Construction of an embedded carbon flow prediction engine; S3: Collection of multi-dimensional status information from vehicles, charging piles, the network, and passenger transport operations, and construction of an uncertainty model; S4: Construction of a multi-objective stochastic optimization model incorporating battery health; S5: Distributed collaborative decision-making of the charging pile cluster; S6: Two-way interaction between vehicles and charging piles and dynamic replanning; S7: Linked optimization of charging scheduling and passenger vehicle allocation; S8: Carbon footprint tracing and carbon credit settlement. This invention embeds a carbon flow prediction engine into the charging pile controller, and combined with multi-source data fusion technology, achieves accurate and forward-looking prediction of carbon intensity. The prediction dimension incorporates passenger transport business time-series data, making carbon flow prediction more aligned with passenger transport scenarios.

The invention discloses a WIFI signal intensity distribution diagram drawing method, and belongs to the field of communication. On the basis of the rotary laser range finder, the house type image is automatically generated on site, and pre-input or manual drawing is not needed. In the construction process of the plane house type image, WIFI signal intensity collection is carried out in real time on a test motion track path, the position of a test point does not need to be limited, and meanwhile the true accuracy of the position of the test point in the house type is guaranteed. In the testing process, a gradually improved visual WIFI signal intensity distribution diagram can be visually displayed in real time. According to the method, the drawing complexity of the WIFI signal intensity distribution diagram is simplified, and the real accuracy of the WIFI signal sampling points is ensured. The complexity of obtaining the house type image is reduced, and the WIFI signal intensity distribution diagram and the house type image are accurately superposed, so that the display of the WIFI signal intensity distribution diagram is more visual and fits the actual situation.

The present invention discloses a method, system, device and storage medium for adjusting the sampling rate of a touch screen, the method comprising: creating a curve class, the curve class comprising a source point, an end point and a control point, the source point, the end point and the control point are used to update the curve trajectory, the control point is used to record the trajectory points generated by touching the touch screen; determining the Euclidean distance between the current control point and the previous control point, and determining the number of sampling points according to the Euclidean distance; determining the information of the sampling points according to the curve trajectory and the number of sampling points. The present invention determines the number of sampling points on the current curve trajectory by determining the Euclidean distance between adjacent control points, and completes the sampling of the curve trajectory. These sampling points cannot be recorded by the system native API, thereby improving the sampling rate of the Android device and ensuring the authenticity and effectiveness of the sampling points. The present invention can be widely used in the field of terminal technology.

The present invention relates to a lightning impulse discharge test observation device for line insulators under rain conditions, comprising a line insulator; a line insulator fixing device comprising an insulator ball head, a metal bracket and a counterweight box; a rain device comprising a fixed bracket, a movable bracket, a water spraying waterway and a lifting and pulling device; a water circulation device comprising a water pump, a water valve, a water pool, a water pipe and a water tank; a current measurement system comprising a Rogowski coil, a first coaxial BNC line and a first coaxial resistance attenuator; a voltage measurement system comprising a resistor-capacitor voltage divider, a second coaxial BNC line and a second coaxial resistance attenuator; and an arc synchronous observation device comprising a high-speed camera, a single-lens reflex camera, a photoelectric conversion module and a PC. The present invention adjusts the rainfall intensity during the test by adjusting the angle of the nozzle and the third water valve, can accurately simulate the working environment of the line insulator under different rain conditions, and has the characteristics of simple structure, strong operability and practicality.

The application provides an intersection signal optimization timing method based on queue length and delay, comprising the following steps: S1, road end equipment collects traffic situation data; S2, historical data aggregation and algorithm data preparation; S3, timing optimization model based on queue length and signal control delay; relying on the traffic data collected by the urban traffic flow monitoring equipment and the phase control data of the signal machine, the fine timing result of the urban intersection signal control scheme is calculated more quickly and conveniently, a set of reasonable timing optimization model for the continuous and real traffic passing demand of the intersection is provided, the more accurate data in different time periods is accurately controlled and optimized, the same set of timing scheme method is used, and the space-time data resources of the intersection equipment and the signal machine are fully utilized.

The invention belongs to the technical field of automobile tests, particularly relates to a suspension test bed system based on a mining trackless rubber-tyred vehicle and a control method, and combines the advantages of hardware and software. On one hand, the state of the magnetorheological suspension in an actual working environment can be accurately simulated through the hardware-in-the-loop test system, the hardware-in-the-loop test system is used for verifying the feasibility of a control strategy and an algorithm, and the problem of time delay existing in pure software simulation is solved. And on the other hand, compared with the traditional real vehicle road test, the hardware-in-the-loop test greatly reduces the test cost and obviously shortens the development period. According to the scheme, hardware equipment and software control are organically fused, the true reliability of test data is guaranteed, the development efficiency and economical efficiency are improved, and an efficient and economical innovative approach is provided for research and development of a magneto-rheological semi-active suspension system.

The present invention discloses an information acquisition device and method based on a 3D camera, including multiple 3D cameras, a video acquisition processor and an image display; the multiple 3D cameras are used for real-time video recording and shooting, and the real-time video is converted into digital information and stored in a data buffer; the video acquisition processor is internally encapsulated with a data acquisition module, a data conversion module, a data processing module and a model building module; the data acquisition module reads the digital signal in the 3D camera buffer in real time, and what is read is the current frame. When acquiring 3D camera information, the present invention performs secondary processing compensation on the acquired 3D camera information data, and simultaneously obtains the inclination angle of the 3D camera, the direction and data size of the 3D camera and the focal length information of the 3D camera as modeling auxiliary information, which effectively ensures the true restoration degree of the acquired 3D camera information in the 3D modeling process, and ensures the clarity of the image information acquired by the 3D camera.

The invention particularly relates to an assembly line process diagram delivery system and method based on a block chain. According to the blockchain-based assembly line process diagram delivery system, a server adopts a B / S architecture, is deployed in a local area network of a factory, and is responsible for receiving, processing and managing process diagram files so as to ensure secure transmission and efficient processing of data; the client receives and displays the process diagram of the corresponding process; the block chain network stores and maintains metadata and access authority of the process diagram to ensure non-tampering and traceability of the data; the intelligent contract automatically executes and manages rules and processes related to process diagram delivery so as to realize automatic and efficient operation management. According to the blockchain-based assembly line process diagram delivery system and method, the authenticity and reliability of the process diagram can be ensured, workers can conveniently carry out production operation and production switching of different products, the production efficiency and the management level are improved, the security and transparency of data are ensured, and the blockchain-based assembly line process diagram delivery system and method are suitable for various complex and changeable production environments.

The present application relates to the field of website testing, and specifically to a visual multi-threaded webpage access method. The method specifically comprises the following steps: S101: reading a website list to be accessed; S201: obtaining parameters of website access selected by a tool; S301: entering a website access module, obtaining the number of websites to be accessed, and using Task multi-threaded batch processing; S401: obtaining a website string and an access identifier; S501: determining whether the current website carries a special access identifier; and S601: if the special access identifier field is carried, performing string processing on the accessed website as a temporary new website path to be accessed. Compared with the prior art, the present application has the advantages that: the tedious access process program is automated, freeing up manpower and saving time; and the program is visualized, making it more convenient to select conditions and input parameters, and the program execution progress is self-evident.

The invention belongs to the technical field of power systems and automation thereof, and discloses a low-voltage flexible interconnection diversified power distribution area line loss assessment method and related equipment, and the method can be used for a power distribution area under the access of diversified resources such as low-voltage flexible interconnection, distributed power supplies, charging piles, energy storage and the like through obtaining the input variables of a to-be-assessed area, and evaluating the line loss of the to-be-assessed area. Inputting the data into a pre-constructed diversified power distribution area line loss evaluation model, so as to accurately output an alternating current area line loss rate and a direct current micro-grid line loss rate; according to the method, line loss calculation is detailedly divided into the alternating-current transformer area line loss rate and the direct-current micro-network line loss rate, the prominent problems that the transformer area line loss rate is suddenly increased and suddenly decreased and the transformer area line loss is larger along with more photovoltaic and charging piles are connected are effectively solved, the accuracy of line loss evaluation is improved, the working efficiency of statistical analysis personnel is improved, and the working efficiency of the statistical analysis personnel is improved. And the authenticity and reliability of the assessment indexes are ensured, and an accurate and efficient assessment mode is provided for line loss management of the low-voltage flexible interconnection power distribution area.

The invention relates to an overhead line near electric distance measurement system and measurement method. The system comprises a data acquisition system, a data analysis and calculation system and an early warning system. A group of data acquisition systems consisting of two image collectors and four sampling identifiers are arranged at different point positions on the ground, real-time data acquisition is performed on a construction site, and the acquired data are concentrated into an analysis and calculation system for analysis and calculation, so that the real-time distance between a machine and a live line is calculated, and the real-time distance between the machine and the live line is calculated. And if the distance close to the live line is close to the minimum safety distance, the early warning system gives out early warning to prompt an operator to keep the machine away from the live line. According to the invention, the risk of near live line construction can be dynamically evaluated in real time and early warning can be timely carried out, so that the field safety risk is reduced.

This invention relates to the field of precision machining and error control technology for CNC machine tools, and discloses a method for machining thermal deformation compensation based on rapid on-site calibration using an online probe. The method includes the following steps: first, selecting multiple non-coplanar feature points within the machining space of the machine tool and determining the nominal coordinates of these feature points in a cold state; then, controlling the online probe of the machine tool to perform contact measurements on the feature points to obtain the measured coordinates of the feature points at the current moment; and finally, constructing a thermal deformation error decoupling model based on the nominal coordinates and the measured coordinates. By constructing a virtual differential reference system that does not rely on fixed distance constraints, the hardware cost and space occupation for thermal error compensation are reduced. Simultaneously, utilizing workpiece scrap corner points or ordinary calibration blocks to construct a virtual tetrahedral topology not only solves the problem of limited space in the machining area but also significantly reduces the cost of auxiliary equipment for implementing thermal error compensation.

The present invention discloses a distribution network vulnerability assessment method based on a conflict evidence-corrected DS method, comprising: S1, calculating the failure rate of a distribution network line under extreme weather conditions according to a first model to obtain line failure rate data; the first model comprises a two-state Markov model; obtaining line unavailability of the distribution network according to the line failure rate data; S2, obtaining node strength according to line unavailability; obtaining a state vulnerability index according to the node strength; obtaining an improved line betweenness according to line unavailability; obtaining a structural vulnerability index according to the improved line betweenness; S3, normalizing the state vulnerability index and the structural vulnerability index to obtain a first index and a second index; fusing the first index and the second index through a conflict evidence-corrected DS method to obtain a third index; S4, performing vulnerability assessment on the distribution network according to the third index to obtain a first result; a larger value of the first result indicates a higher degree of vulnerability of the distribution network.

The present invention relates to the field of privacy security technology, in particular to a blockchain-supervisable financial leasing method based on homomorphic encryption and zero-knowledge proof. The blockchain-supervisable financial leasing method based on zero-knowledge proof and homomorphic encryption comprises: step (1): the supervisor generates a homomorphic encrypted public key and private key, and publicly places the public key on the chain; the lessor and the leasing platform agree on the rent distribution ratio and the leasing platform submits the transaction to be stored on the chain; the leasing platform and the lessee agree on the daily charging standard and the leasing platform submits the transaction to be stored on the chain; step (2): the lessee, the lessor and the leasing platform generate encrypted transaction information and record it on the chain. The present invention records all transactions through the blockchain, so that the data on the chain cannot be tampered with, and the authenticity and validity of the data are guaranteed. The present invention uses homomorphic encryption technology to encrypt all private data, which well protects the transaction data; at the same time, the use of homomorphic encryption technology can ensure that the transaction information can be supervised by the supervisor while ensuring that the private data is not leaked.

The invention discloses an intelligent electric energy meter reliability test tool, and relates to the technical field of intelligent electric energy meter testing, the intelligent electric energy meter reliability test tool comprises a cabinet body, one side of the cabinet body is rotatably connected with a cabinet door, the cabinet body and the cabinet door form a space isolated from the external environment, and an installation mechanism is fixedly installed in the cabinet body. Through the arrangement of the connecting mechanism, the electric energy meter body can be quickly mounted and dismounted, so that the operation process can be simplified in the process of testing the electric energy meter body, the cost for mounting the electric energy meter body in the test process is reduced, the test speed is further accelerated, and in addition, the test efficiency is improved. In the testing process, the actual working performance of the electric energy meter body in different environments can be simulated through opening and closing of the box body, and the testing range of the electric energy meter body is further expanded, so that the actual working data of the electric energy meter body is obtained, and the testing work is better completed.

The present invention provides an intelligent middle-end processing method and system suitable for multi-source claim review parties. A claim declaration tree is constructed according to claim data, and the document amounts at each time node in the claim declaration tree are compared in layers to obtain amount review results; standard project data in the review party knowledge base is retrieved based on the claim type of the claim end, and the project review results are obtained by comparing the standard project data with the actual project data of the corresponding invoice node in the claim declaration tree; the actual drugs and actual doses in the claim declaration tree are determined according to the project review results, and the predicted doses are determined based on the similarity quantitative strategy and the actual drugs, and the actual doses are compared with the predicted doses to obtain dose review results; the sub-document information at each document node in the claim declaration tree is processed according to the amount review results, the project review results and the dose review results, and a claim feedback tree is generated; in response to the confirmation information of the claim feedback tree by the claim end, a claim list is generated and sent to the claim end.

This invention relates to a personnel attendance management system and method, belonging to the field of attendance management technology. It addresses the problem of weak management of employees' daily work and attendance due to the lack of effective supervision systems, which leads to unnecessary social disputes. By allowing employees to clock in and out within the system's rules, it prevents missed clocking-in, improves accuracy, and effectively manages this large workforce, strengthening enterprise management and improving work efficiency. Specifically, it proposes the construction of an employee attendance management system that uses information technology to implement a clocking-in system, recording detailed employee attendance information to supervise and manage employee behavior, ensuring data accuracy and security. Encryption of attendance information prevents data loss, improves system security, and guarantees the authenticity and accuracy of attendance records.