46 results about "Computer experiment" patented technology

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.

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 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 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.