47 results about "Computer experiment" patented technology

The invention relates to a pruning robot system. The system comprises a signal label device and a robot. The signal label device is used for detecting and storing information of trees and agricultural crops, information positioning and auxiliary positioning. The robot comprises a central processing device, a positioning navigation device, a cloud platform terminal and a map building device. The central processing device is used for storing and analyzing data of each part of the robot and sending a movement instruction to each part of the robot. The positioning navigation device is used for positioning and navigating the robot and planning a path and providing obstacle-avoiding navigation for the robot based on an electronic map. The cloud platform terminal is connected and communicated with the central processing device and is used for storing data of the trees and the crops and detection information of the robot and for planning a movement line for the robot based on information data with a computer experiment. The map building device is used for building a three-dimensional electronic map corresponding to a garden by means of on-site detection and construction through the robot. The pruning robot system achieves positioning in the garden, robot path planning, pruning information collection and automatic pruning.

The invention discloses a limited space fire blast simulation and explosion pressure relief and explosion suppression experiment platform and a method. The platform comprises an experiment cabin, an ignition system, a suppressing system, a gas distribution system, a data acquisition system, a control system, and a computer, the experiment cabin, which is a three-dimensional cabin, is provided with inhibitor nozzles reserved on the top surface and window type explosion vents, a plurality of pressure relief membrane frames with different sizes which are of square boss structures are nested through high-strength bolts to form the window type explosion vent, and in a fire blast experiment, the window type explosion vents are arranged on the sidewalls of the experiment cabin; in a flashover and backdraft experiment, the sidewalls of the experiment cabin are arranged as door type explosion venting panels, and the door width can be adjusted by a high-strength bolt nesting method. The platform and the method can be adopted to carry out fire blast and explosion suppression experiments in the limited space of a building with real dimensions under different concentration distributions, different explosion venting conditions, different ignition positions and different explosion suppression conditions, providing related experimental parameters for the creation of explosion venting parameter prediction model in limited spaces of buildings and the proposal of a highly effectively explosion suppression technique.

The invention discloses a virtual machine-based lab practice environment establishment method for realizing computer experiment teaching. The method comprises the following steps: (1) completing certified login in a system Web service homepage by a student, and then, selecting a current course, wherein the main mirror image document of the course is deployed to all physical nodes; (2) checking and managing states of virtual machines through an interactive interface; (3) acquiring desktops of the virtual machines through a system Web service page, and then, using the virtual machines in a browser. Compared with the prior art, the virtual machine-based lab practice environment establishment method disclosed by the invention is capable of helping to shield bottom layer physical hardware differences through the virtualization technology so as to provide diversified execution environments for upper layer users, and moreover, the virtual machines are isolated from each other, so that the users can freely install personalized software by using private virtual machines as lab practice platforms; user data are stored in mirror images of the virtual machines, so data security can be ensured.

The invention relates to an adaptive processing method oriented to the service life probability analysis of a turbine leaf disc structure. Three classical types of functions in an engineering problem are selected to serve as verification functions to carry out fitting performance analysis on seven common agent models from four aspects including a factor number, a nonlinear degree among factors, calculation precision and calculation efficiency, a calling rule of each class of agent model is formed, and the rule is integrated into a probability design system of the turbine leaf disc structure to form one set of adaptive agent models. A DOE (Design Of Experiments) method is adopted to screen the geometrical parameters of the structure, and an efficient subagent model suitable for a multifactor high-order nonlinear problem is constructed so as to screen a key geometrical parameter which obviously affects stress as a random variable. A DACE (Design And Analysis of Computer Experiments) method is adopted to construct a high-precision high-efficiency subagent model suitable for a few-factor low-order nonlinear problem, Monte Carlo sampling is carried out on the basis, and reliability data is output to finish a whole probability analysis process.

Embodiments include receiving data defining customer characteristics, facility capabilities and financial data for an automobile service facility, generating a computer model of the service facility based on the customer characteristics, facility capabilities, and financial data, and calculating one or more quantitative indications of expected facility performance based on the model. Computer experiments may be conducted to identify one or more service facility characteristics that have an impact on service facility efficiency or revenue. Computer experiments may result in the derivation of one or more quantitative expressions interrelating one or more of the service facility characteristics that have an impact on service facility efficiency or revenue. Based on one or more aspects of the foregoing, aspects of the service facility may be changed in an attempt to improve efficiency or revenue.

A cooling experiment system of a supersonic speed air film is mainly used for experiment research of supersonic speed air film cooling technology, wherein the effect of supersonic speed air film cooling caused by cooling jet current mach number, incidence angle, and side direction inclined angle can be researched on the system. A small size fuel gas generator takes hydrogen and oxygen as burning media to generate fuel gas at the temperature of 2000 K, and the fuel gas is accelerated to mach number 2 via a Laval nozzle. The outlet of the Laval nozzle is connected with a jet current generator and an experiment tube, and the air for cooling forms a beam of supersonic speed jet current through the jet current generator to be sprayed into the experiment tube for forming a beam of air film covered on the surface of the experiment tube. The back wall of the experiment tube is welded with 25 K type thermoelectric couples for measuring the wall temperature distribution covered by the air film.The signals of thermoelectric couple and other sensors are sent to a computer via a data collection device, and the experiment software processes and displays the signals. The experiment software sends the control instruction and controls to turn on or off each valve of system via a valve drive device.

The invention discloses an experiment platform and a construction method thereof, relating to teaching experiment technique, method and product, in particular to an experiment platform taking culturing student comprehensiveness, designability, innovation and practical manipulative ability as the target. The experiment platform comprises an experiment hanging board (1) and an experiment hanging piece (2), wherein the experiment hanging piece (2) is articulated with the experiment hanging board (1) in an articulation mode. The experiment platform also can comprise a waste and old material basic experiment condition base (3), a mated experiment condition base (4), an operating floor (5), a computer experiment application system (6) and a typical experiment platform (8). By using such experiment platform, students can choose experiment articles for use like going to the supermarket, construct the expected experiment platform like writing and drawing on the blackboard and approach the real whole flow practice training like researching, designing and manufacturing new products in the scientific research and production practice, which is not only beneficial to improving the experiment effect of students and saving the experiment funds but also is beneficial to promoting the effective utilization of waste and old electromechanical equipment, and therefore, the goals of saving the resources and protecting the environment are achieved.

An error correction encoding apparatus wherein the apparatus structure is simple; an iterative decoding is used to achieve a decoding with a close-to-optimum precision; and a simple mathematical expression is used to perform an evaluation of the characteristic of an error floor area without using any computer experiments. In a polynomial multiplying block 1, (n−1)-th-order polynomial multiplying units (12-1 to 12-(m−1)) further divide an information bit string, which has been blocked for an error correction encoding, into (m−1) blocks having a length n and a single block having a length (n−r) (where m and n represent integers equal to or greater than two and where r represents an integer between 1 and n inclusive); receive blocks, which have the length n, of divided information bit strings; and output a series having the same length. An r-th-order polynomial dividing unit 2 receives an addition of the outputs from the respective (n−1)-th-order polynomial multiplying units (12-1 to 12-(m−1)) and also receives a block having the length (n−r), and outputs a redundant bit series having a length r.

The invention relates to a loop-mediated isothermal amplification fluorescence detection method, primer and kit for identifying the radix notoginseng ingredient, and application, and belongs to the technical field of biological detection. The novel technology of fusing nucleic acid in vitro rapid amplification and fluorescence detection technologies is used; six specific primers are designed by aiming at target fragments; the whole isothermal amplification nucleic acid replication reaction process is monitored in real time through an amplification curve; the product is subjected to solubilitycurve analysis. A loop-mediated isothermal amplification method for identifying the radix notoginseng ingredient is built; the DNA level fast qualitative detection on whether the radix notoginseng iscontained in a sample to be tested or not is performed; the detection use time is greatly shortened; the fast detection of the radix notoginseng ingredient is realized; the computer experiment can beperformed without purification after DNA extraction; the six primers correspond to the recognition of eight specific regions of a target sequence, so that high-degree specificity of the detection reaction is ensured; good application prospects are realized.

Compound libraries, systems, methods, and apparatus, including computer program apparatus, are described for implementing techniques for processing data from a combinatorial inquiry to determine materials of use in various photoelectronic devices, e.g., organic light emitting diodes. The libraries include a collection of putative compounds of use as components of OLED devices, which are cross-referenced with one or more electronic property relevant to the efficacy of the compounds in an OLED device. The techniques broadly include receiving data from a chemical experiment on a library of materials having a plurality of members and generating a queriable representation of the chemical experiment. The chemical experiment is optionally an in silico experiment.

The invention relates to a computer composition principle testing platform and belongs to the field of computer test instruments. The computer composition principle testing platform comprises a test module, an embedded test controller and PC (personal computer) machine test software, wherein the test module serves as a freeform area in an FPGA (Field Programmable Gate Array), a test content is designed by a tester, the embedded test controller comprises a communication circuit, a storage circuit, a programmatic interface circuit and an SOPC (System On Programmable Chip) which is based on the FPGA, and the PC machine test software is used for providing an imaging operation interface for the tester. By using the testing platform, a test synchronous with teaching contents can be finished, and random test contents can be finished by a user-defined test, so that the development and the design of the test contents can be fully reflected.

The invention discloses an intelligent vehicle monocular camera target identification monitoring test system and a detection method. The system comprises a main body experiment platform, a visual scene generation simulation subsystem, a monocular camera three-degree-of-freedom motion platform, a rain and fog weather environment generation subsystem, a main control computer experiment management subsystem, a target identification test subsystem and an identification information acquisition subsystem. The main body experiment platform is connected with a monocular camera three-degree-of-freedom motion platform, a scene generation simulation subsystem and a rain and fog weather environment generation subsystem, the monocular camera three-degree-of-freedom motion platform is connected with an identification information acquisition system, and the identification information acquisition system is connected with a main control computer test management subsystem. The invention has the beneficial effects that the recognition evaluation subsystem is developed by comparing standard data, fusing the accuracy rate, the recall rate and the real-time index, and a test method process is designed for comprehensively evaluating the target recognition effect, so the defects of low randomness and objectivity of manual evaluation are overcome.

The invention relates to a chemical process automation comprehensive training device. The chemical process automation comprehensive training device is characterized in that a frame, a control cabinet and a mock object system are included, the mock object system comprises an upper water tank, a lower water tank, a hot water boiler, a water storage box and an air compressor, wherein the upper water tank, the lower water tank and the hot water boiler are placed on the upper portion of the frame, the water storage box and the air compressor are arranged on the lower portion of the frame, the upper water tank, the lower water tank and the hot water boiler are all communicated with the water storage box through two same pipelines, the two pipelines are respectively provided with a first magnetic circulation pump and a second magnetic circulation pump, and the hot water boiler and the air compressor are communicated. The chemical process automation comprehensive training device can be used for comprehensively and systematically carrying out experiments, practical training and skill training of conventional instruments, programmable controllers and computers on students.

The invention belongs to the field of computer experimental apparatus and provides a method and a device for sharing experimental equipment by computer hardware courses. The method comprises the following steps of: connecting a universal FPGA (Field Programmable Gate Array) development board with a computer by virtue of USB (Universal Serial Bus); installing experiment software with a custom function in the computer; designing an interface circuit in the FPGA and connecting the interface circuit with a student experiment module by virtue of a universal internal port; and designing a control circuit in the FPGA, and controlling data communication between the experiment software and the student experiment module. The method and the device meet the requirements of a digital logic circuit, a computer composition principle, a system structure, an interface technology and experiments of hardware, such as an embedded system, for the experimental equipment, and can be used for making full use of the experiment environment and improving the resource utilization rate, facilitating the upgrade and function expansion of an experimental system, alleviating the load that students need learning multiple experiment platforms, and meanwhile providing a more visual experimental process and result for a user; and the device can be used and operated by the students and teachers conveniently.

The invention discloses a multi-objective optimization and multi-attribute decision-making method for steel structure fatigue crack CFRP reinforcement, and the method comprises the following steps: 1) a key design variable and a main optimization objective of a steel structure fatigue crack CFRP reinforcement process are determined, and a mathematical model of a steel structure fatigue crack CFRP reinforcement multi-objective optimization problem is built; 2) a fatigue damage model of the reinforced steel structure is defined, and probability distribution of fatigue damage parameters and extension threshold values is determined; 3) based on computer experiment design and an agent model strategy, an optimization objective equation for describing the correlation between the safety crack arrest probability of the reinforced structure and the key design variables is established; 4) through theoretical analysis, an optimization objective equation for describing the correlation between the CFRP reinforcement total cost and the key design variables is established; 5) a mathematical model of the CFRP reinforcement multi-objective optimization problem of the steel structure fatigue cracks is perfected, and the optimal reinforcement scheme is solved and obtained through a multi-objective optimization algorithm and a multi-attribute decision-making method. The efficiency and reliability of the CFRP reinforcement of the cracked steel bridge are improved.

The new mono-chip processor experiment instrument is composed of a shell, a CB in it and S232, USB interfaces, among which, a power supply module, a master chip, a program download module, a dynamic can static digital display, a relay drive control module, a lattice module, a serial communication module, a serial / parallel conversion module, a control keyboard, an A / D, D / A converter, a music controller, a RAM data storage, an 1-wire serial EEPROM, an 1-wire serial temperature sensor, a SPI serial EEPROM +watching dog + reset module, Isqc serial EEPROM module, isqc serial EEPROM module, a connection switch and a bridle connector socket, the functional modules and the master chip are wire-jumped connected in building blocks to integrate the emulator, programmer and the mono-chip processor experiment instrument.

The invention discloses a butt clamp positioning rotary lifting type computer experiment omnibearing scanning detector. The scanning detector comprises a support table, a scanner body, a first motor,a second motor and a computer mainboard, wherein a supporting rod is fixedly welded to the upper surface of the supporting table. A scanner body is fixed on the right side surface of the supporting rod through bolts; a connecting rod is welded and fixed to the upper surface of the supporting table; the connecting rod is arranged on the outer surface of the connecting rod; a fixed rod is welded andfixed to the outer surface of the connecting rod, a containing rod is welded and fixed to the upper surface of the supporting table, a threaded rod is arranged in the containing rod, a transmission gear is arranged on the upper surface of the containing rod, a first motor is fixed to the surface of the rear side of the containing rod through bolts, and a connecting disc is welded and fixed to theupper end of the containing rod. According to the butt clamp positioning rotary lifting type computer experiment omnibearing scanning detector, the detection rate of a computer mainboard is improved,and the probability that the computer mainboard is damaged is also reduced.

The invention discloses an incremental Kriging based sequential optimization experiment design method. The method comprises the following steps: 1, selecting initial experiment design; 2, initially building a model and verifying the model; 3, building a model of incremental Kriging (IKM); 4, optimizing a sampling rule; 5, updating the rule; and 6, building a model through DACE (design and analysis of computer experiment). The Kriging method used for building the model is effective, but the time of building the model through the Kriging abruptly increases as sampling points increase (when the quantity of the sampling points is more than 600 in case of two dimension). To solve the problem, an improved Kriging method is provided, and the improved Kriging method has the advantage that the time consumption can be minimized in case of a large amount of sampling points; due to the reduction of the model building time, the incremental Kriging based sequential optimization experiment design method can be widely applied to engineering simulation.

The invention discloses an optical feedback strategy based on an MSD adder in a kilobit ternary optical computer experimental system. The strategy includes a strategy for converting the encoder result into encoder control information during next input, an address corresponding strategy of feedback data and a middle result zero padding strategy. By means of middle result feedback, the MSD adder is capable of performing the subsequent optional computation continuously and accurately, the problem of the flow line operating manner of the adder is solved to the certain extent, the operating efficiency of the optical computer adder is improved, and the computation result of a group of data can be acquired in almost each clock cycle. The strategy is capable of optimizing the numerical computation capability of a ternary optical processor, playing the advantages of 'giant data bit' and 'high parallelism' of the ternary optical computer in the field of numerical computation and promoting the application of the ternary optical computer in the field of numerical computation.

The invention relates to an exploration type interactive practice device for education of sustainable development. The interactive practice device is performed in the manner of simulating the research on scientific research subjects: firstly, students are divided into groups to form subject groups, the subject groups receive task books, the task books can provide concrete research subjects, material conditions and budget constraint, and the subject groups research and discuss problems and propose solutions; then, the subject groups perform computer experiments on the corresponding exploration type interactive practice devices, operate respective solutions under virtual circumstances of computers, and record experiment results; finally, the subject groups analyze the experiment results, obtain experiment conclusions, and complete subject reports. Through holo-authentic simulation of formal academic research, the observation capacity, the research capacity, the communication capacity, the summarization capacity and the like of the students are promoted, so that the problem that cultivation for basic capacities of the students is neglected in the traditional education for sustainable development is solved.

The invention, which belongs to the field of computer management, discloses a university computer experiment and teaching management system with the data decision-making function. The system is composed of a data acquisition module, a user access interface module, a data decision-making module, a database, an information transmission module, a basic information setting module, a system user management module, an identity verification module, a smart access control management module, an asset management module, and a laboratory information management module. The university computer experiment and teaching management system is capable of collecting, storing and analyzing teaching data in system operation, thereby providing the guidance base for the laboratory construction and curriculum construction in the future.

The invention discloses an intelligent component-based automatic control integrated teaching experiment platform comprising an intelligent driving component, a signal acquisition component and a simulator component. A PWM wave driving DC motor is used as the intelligent driving component which has three modes of a photoelectric encoder, a speed measuring motor and a photoelectric switch to acquirethe rotating speed and the angle of the motor. The signal acquisition component is used for acquiring or outputting analog, digital or frequency signals. The simulator component comprises multiple independent operational amplifiers and the peripheral resistors and capacitors thereof so as to establish various analog circuits. All the components can be independently used or combined so that motorcontrol and analog circuit control of the automatic control teaching experiment can be realized; besides, the intelligent driving component and the signal acquisition component can communicate with the PC through the ethernet so as to form upper and lower computer experiment systems. The teaching experiment platform has the characteristics of flexible combination, diverse functions, small size andconvenient maintenance.

The invention discloses an experimental equipment monitoring method based on electric power parameter monitoring and screen information identification. The method comprises the following steps: enabling a local operator to analyze and divide the typical state of an experimental process completed by experimental equipment; measuring power parameters of to-be-monitored experimental equipment at awire inlet in different typical states for a long time by using a power parameter monitoring device, and establishing an equipment state feature library by using a clustering analysis algorithm; establishing a neural network model, measuring the electric power parameters at the wire inlet of the to-be-monitored experimental equipment in real time by using an electric power parameter monitoring device, and predicting the state of the to-be-monitored experimental equipment; recognizing computer screen information of to-be-monitored experimental equipment by using an image recognition technology, and analyzing and judging the state of the experimental equipment; and monitoring the experimental equipment in cooperation with the two judgment conditions, and analyzing whether the two results are consistent or not. According to the invention, the functions of equipment state monitoring and fault monitoring protection on the experimental equipment of the computer experimental software with the private protocol can be achieved.

The invention belongs to the field of education and teaching, and discloses an online experiment teaching system and method based on a container technology, and the system comprises an online teaching platform, an online experiment platform, a network forwarding device, a mirror image management platform, a cluster capable of employing a containerization technology, and an experiment machine. A user accesses the online experiment platform through the online teaching platform entrance of the browser end; the online experiment platform is connected with the experiment machine in the cluster through the network forwarding equipment; the mirror image management platform manages mirror images in the cluster by providing a private mirror image warehouse, and the mirror image management platform synchronizes data to the online teaching platform through an API interface. According to the invention, an online unified computer experiment environment is provided for a user by combining various different experiment courses in a computer based on a bottom-layer containerized computer cluster, a self-defined network forwarding rule, a mirror image management system, an online teaching platform and the like. The experiment environment configuration time is saved, and the experiment efficiency is improved.

The invention discloses a computer network comprehensive experiment platform, belongs to the technical field of computer experiment platforms. The problem that an existing computer experiment platformcannot adjust the supporting direction and angle of a liquid crystal display screen is solved. The computer network comprehensive experiment platform is characterized in that the computer network comprehensive experiment platform comprises a shell, and a placing groove is formed in the top of the shell; a liquid crystal display screen is arranged in the placing groove; a lifting groove is formedin the shell; rectangular through grooves are symmetrically formed in the top, between the placing groove and the lifting groove, of the shell; a lifting assembly is installed at the bottom of the lifting groove; the top of the lifting assembly is fixedly connected with the bottom of the liquid crystal display screen through the through grooves; and a control panel is installed on the outer side wall of the shell. The supporting direction and angle of the liquid crystal display screen can be controlled through the lifting assembly, a worker can control starting and stopping of the lifting assembly through the control panel, and the beneficial effects of two-way flexible supporting, angle adjustment and intelligent control are achieved.

The invention provides a three-dimensional virtual simulation experiment system and method based on a real-time target machine. The three-dimensional virtual simulation experiment system comprises a three-dimensional model library, a mechanism model library, an upper computer and a lower computer; a user starts an experiment task on the upper computer, and the upper computer respectively downloads a model and a configuration file required by the experiment task from the three-dimensional model library and the mechanism model library; the upper computer experiment operation module binds the three-dimensional model with the mechanism model configuration file, so that input and output of three-dimensional virtual simulation are bound with the mechanism model; the upper computer downloads the mechanism model to the lower computer, and the lower computer is responsible for operating the mechanism model and returning output parameters; the upper computer displays the received output parameters on the three-dimensional model; and a user adjusts input parameters in the three-dimensional model on the upper computer, the upper computer transmits the adjusted parameters to the lower computer for operation, real-time simulation calculation and three-dimensional virtual simulation are combined, and more accurate and friendly virtual simulation experiment teaching is provided.

The invention discloses a substrate solution for a chemiluminescence immunoassay analyzer and a preparation method thereof. The substrate solution is suitable for domestic and overseas full-automaticchemiluminiscence immunoassay analyzers such as Abbott and Kanghua, the cost is low, compared with a computer experiment of an Abbott substrate liquid, the technical scheme has the advantages of higher signal-to-noise ratio, higher luminous intensity and better measured value repeatability than the Abbott substrate liquid, the widely-sold and expensive Abbott substrate liquid on the market can becompletely and effectively replaced, and therefore, the problem that domestic hospitals and manufacturers excessively depend on import is effectively solved.

The invention discloses an online experiment method and device. The method comprises the following steps: receiving an experiment environment access request carrying a first course identifier sent bya terminal; obtaining a first mirror image identifier and first resource information from a database according to the first course identifier, wherein the first resource information is used for representing resources required for running a first mirror image file corresponding to the first mirror image identifier; selecting one node from the node cluster as a bearing node of a first container according to the first resource information, wherein the first container is used for operating the first mirror image file; obtaining address information corresponding to the bearing node; sending an experimental environment access response carrying the address information to the terminal; and when detecting that the terminal requests to access the bearing node corresponding to the address information, connecting the terminal with the bearing node. By implementing the embodiment of the invention, different experiment environments are prevented from being configured on the same physical host, the load of the physical host is reduced, and the operation efficiency of the physical host is improved, so that the computer experiment efficiency is improved.