11 results about "Engineering research" patented technology

The invention discloses a security alarm data noise reduction method and device, equipment and a storage medium, and relates to the technical field of network security, and the method comprises the steps: carrying out the engineering research and judgment of target alarm data through employing a target table item if the target table item matched with the target alarm data exists in a local pre-created dynamic table, and carrying out the noise reduction of the target alarm data; determining a current research and judgment result based on a pre-recorded alarm data research and judgment result in the target table item; if the target table item matched with the target alarm data does not exist in the dynamic table, analyzing, studying and judging the target alarm data by using a preset large model to obtain a current studying and judging result, and generating a target table item corresponding to the target alarm data in the dynamic table based on the current studying and judging result; and determining whether the target alarm data reaches a preset security threat degree based on the current research and judgment result, and if not, rejecting the target alarm data. Attacks are prevented from being bypassed, so that the coverage rate of research and judgment alarms is increased.

The invention relates to the technical field of testing devices, in particular to a rock hydraulic-dynamic coupling catastrophe multi-domain index testing device. According to the technical scheme, the device comprises a dynamic loading system, a hydraulic loading system, a rock mass sample clamping and sealing system, a multi-domain parameter monitoring system and an intelligent data analysis and processing system. The dynamic loading system is matched with the hydraulic loading system to simulate a complex hydraulic-dynamic coupling process of the rock mass in a natural environment and in engineering activities, and diversified rock mass engineering research requirements are met; according to the invention, the multi-domain parameter indexes are synchronously monitored through the multi-domain parameter monitoring system, so that a comprehensive and accurate catastrophe model can be constructed; the intelligent data analysis and processing system can timely and accurately identify rock mass catastrophe features and invert high-precision model parameters, a reliable model basis is provided for deep research of a rock mass hydraulic-dynamic coupling catastrophe mechanism, and subsequent more accurate prediction of the catastrophe development trend is also facilitated.

The utility model provides a geotechnical test device for engineering research, which relates to the technical field of geotechnical test devices and comprises a processing table, a box body arranged at the top of the processing table, a bottom plate fixedly connected to the top of the processing table, a hydraulic rod fixedly mounted at the top of the box body, a connecting block arranged at the bottom end of the hydraulic rod and penetrating through the box body, and a pressing block arranged at the bottom of the connecting block. And the bottom plate is fixedly connected with a placing table. According to the device, the placement table can be cleaned through the cleaning assembly, manual cleaning is not needed, more time and labor are saved, after each test is completed, fragments and tiny fragments are cleaned through the rotating plate and the brush which sweep back and forth, so that the next test is facilitated, the cleaning waiting time is shortened, and the test efficiency is improved; the pressing blocks can be conveniently replaced through the dismounting assembly, the corresponding pressing blocks can be replaced according to test requirements, the replacement process does not need to be disassembled through tools, the device is simpler and quicker, and the usability of the device is improved.

The invention discloses a monitoring device for simulating vertical vibration of a single pile under earthquake P waves. The device belongs to the field of pile foundation engineering research in the civil engineering field, and comprises a model box, a pulley base, a vertical impact device, a spring, a laser displacement meter, an acceleration sensor, a stress strain gauge, a data transmission line, a data acquisition instrument, a computer host and a computer display which are connected with one another, according to the method, images of displacement, acceleration and stress-strain relation change after the pile is subjected to vertical impact force are more clearly presented through numerical control; the device is simple and easy to operate, vertical vibration simulation of the pile is simpler and more convenient, and vertical vibration of the pile in various environments can be simulated; in addition, by measuring the displacement change and acceleration change of the pile, the process that the pile is subjected to vertical impact load under the P wave is simulated more accurately.

The present application belongs to the technical field of geotechnical engineering research, and particularly relates to a method for evaluating the influence of residual deformation of a goaf on the structural stability of a simply supported beam bridge, which comprises the following steps: constructing a numerical model in a virtual environment in combination with the goaf and the stratum structure of the target simply supported beam bridge; obtaining the mechanical parameters of the broken rock mass and performing sensitivity analysis to generate a sensitivity sequence; equivalent the residual deformation of the goaf to the mechanical parameters of the broken rock mass in the caving zone, determining the equivalent parameters of the residual deformation based on the sensitivity sequence, importing the equivalent parameters into the numerical model to simulate the residual deformation, and outputting the simulation results; establishing a stability evaluation system based on the influence index of the structural stability of the simply supported beam bridge and the residual subsidence, introducing the residual subsidence of the pile foundation of the simply supported beam bridge and the tangential resultant force on the rock-soil contact surface of the pile foundation to evaluate the stability of the target simply supported beam bridge; the evaluation method proposed by the present application can effectively evaluate the influence of the residual deformation of the goaf on the structural stability of the simply supported beam bridge and improve the research efficiency.

The invention discloses a civil aircraft process key parameter dynamic definition-oriented method and system and a medium. The method comprises the following steps: acquiring a classification structure tree; selecting any child node, creating a parameter management and control object under the child node, and generating a version number corresponding to the parameter management and control object according to a preset version rule; creating header content of the parameter management and control object; creating main content and termination content of the parameter management and control object; the header content, the subject content, and the termination content are associated to a parameter management object having a version number, and an object instance is created based on the parameter management object for dynamic use in process manufacturing. Dynamic expansion and control of key process parameters are realized through main body contents of parameter control objects, standardized control, free dynamic states of forms, numerical calculation between data and consistent control of parameters are realized, and many civil aircraft research and development and manufacturing links such as engineering research and development, process design, manufacturing execution, quality analysis and the like are broken through.

The invention provides an engineering project feasibility research analysis-oriented geographic information knowledge graph construction method, which is used for deeply mining complex relationships among geographic elements by fusing multi-source geographic information data, and carrying out structured organization and efficient storage in a knowledge graph form. The method comprises the steps of geographic information data collection, data preprocessing and enhancement, knowledge graph construction, geographic element extraction model construction, entity knowledge matching and fusion and the like. According to the method, comprehensive, accurate and dynamically updated geographic information support can be provided for engineering project feasibility research and analysis, and the efficiency and scientificity of engineering research and analysis are remarkably improved.

The invention discloses a monitoring device for simulating horizontal vibration of a single pile under Rayleigh waves. Belongs to the field of pile foundation engineering research in the civil engineering field and comprises a model box, a steel strand is arranged on the upper portion of the edge of the model box, the left side is connected with a fixed end through a buckle and is not separated from the fixed end in the experiment process, and the right side is connected with a spring dynamometer through a buckle. The right side of the spring dynamometer is connected with a left movable hinge on the test pile through a steel strand, the right movable hinge is connected through the steel strand and bypasses a pulley arranged on the edge of the upper portion of the model box, the tail end of the steel strand is connected with a weight pan, and the axis of the spring dynamometer, the horizontal center line of the movable hinge and the horizontal section of the steel strand are located on the same horizontal plane; the test pile is further connected with a displacement sensor used for monitoring experimental displacement.

The invention relates to the technical field of ship development, in particular to a ship development whole-process collaboration method and related products. The method comprises the following steps: establishing a set of ship overall standardization digital model which covers three major processes of project management and control, engineering development and simulation optimization and runs through four major stages of system design, engineering design, engineering construction and engineering operation and maintenance in a ship full-process development process; and the model and data are continuously transmitted among the flows and the stages, so that deep collaboration of the flows among the different stages in the ship development process is realized, and the collaboration efficiency of ship project management and control, engineering development and simulation optimization is improved.

The application discloses a virtual wind tunnel simulation experiment system, and belongs to the technical field of computer software and simulation, which comprises a data management module, a configuration management module and a visualization module; the data management module is used for correlatively packaging heterogeneous source data of a virtual wind tunnel experiment, generating a structured experiment data package with a unique experiment ID and storing the same; meanwhile, in response to input intervals and step lengths, intermediate state derivative data points are calculated and supplemented and written; the configuration management module is used for analyzing an external XML configuration file, building a system object correlation mapping relationship, and responding to user operations to trigger real-time refreshing of backend parameters; after the visualization module executes asynchronous loading and lightweight processing on massive heterogeneous flow field data, the massive heterogeneous flow field data are visually presented through on-screen fusion of a three-dimensional rendering engine and a two-dimensional data fusion display component; the application realizes system architecture decoupling, data full life cycle management and multi-dimensional visualization linkage, and meets the demand of high-end engineering research and development for a flexible and efficient virtual wind tunnel experiment platform.

A method, system and computer program product for estimating reliability of a human inspection of a production system. Human inspection variables specific to the human inspection and the environment the inspection was conducted in are identified through human factors engineering research. The identified human inspection variables are weighted. Environment input or feedback about the inspection is received. The environment input received is also weighted. An assessment of the reliability of the human inspection is calculated using the human inspection variables and the received environment input.