Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

36results about How to "Realize simulation analysis" patented technology

Flight control method and flight control system on basis of complicated low altitudes

The invention discloses a flight control method and a flight control system on the basis of complicated low altitudes. The flight control method includes acquiring environmental information in set threshold ranges around to-be-controlled aircrafts; acquiring flight plans of the to-be-controlled aircrafts; judging whether conflict between the environmental information and the flight plans of the to-be-controlled aircrafts exists or not, and allowing the to-be-controlled aircrafts to fly according to the flight plans if the conflict does not exist; acquiring conflict information of the environmental information and the flight plans if the conflict exists; adjusting the flight plans according to the conflict information to obtain adjusted flight plans and allowing the to-be-controlled aircrafts to fly according to the adjusted flight plans. The environmental information includes information of other aircrafts, weather information and topographic information. The flight plans comprise flight routes, flight heights and flight speeds which correspond to a plurality of legs. The flight control method and the flight control system have the advantage that control and simulation analysis canbe carried out on flight at the complicated low altitudes by the aid of the flight control method and the flight control system which is a simulation system.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Moving target atmospheric disturbance characteristic simulation method

The invention discloses a moving target atmospheric disturbance characteristic simulation method. The method includes obtaining target geometry parameters, establishing target three-dimensional model,dividing grids of a target and flow field solving area; setting flow field calculation conditions, selecting a flow field calculation model, obtaining target atmospheric disturbance flow field parameters, calculating flow field refractive index distribution, calculating a refractive index gradient according to a Barron operator, calculating a disturbance atmospheric deflection transmission path through Runge-Kutta light tracing, and obtaining a deflection angle of light passing through a disturbance field. According to the method, simulation analysis is carried out on light deflection generated when ground object light passes through an atmospheric disturbance area formed by a high-speed target for the first time. The method can be used for atmospheric disturbance simulation analysis of any target flying in the atmospheric layer, can analyze the deflection condition of the ground object light of any spectral band passing through the target atmospheric disturbance area, and can also analyze the deflection condition formed by the ground object light of different spectral bands passing through the atmospheric disturbance area of the target at different incident angles. A new means isprovided for target atmospheric disturbance simulation analysis, and the method can be applied to atmospheric disturbance field characteristic research.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Numerical simulation method for rolling process deformation of continuous variable convexity roller of wide and thick plate product

The invention discloses a numerical simulation method for deformation in the rolling process of a continuous variable convexity roller of a wide and thick plate product. The numerical simulation method comprises the following steps: obtaining material attribute parameters of the continuous variable convexity roller and a rolled piece; determining geometric parameters of the continuous variable convexity roller and rolled piece; establishing a geometric model of the continuous variable convexity roller and rolled piece by utilizing three-dimensional drawing software; obtaining process parameters of rolled piece rolling forming and continuous variable convexity roller deformation; establishing a three-dimensional thermal coupling finite element analysis model; carrying out simulation analysis of deformation in the rolling process of the continuous variable convexity roller; and verifying the correctness of the three-dimensional thermal coupling finite element model. Accuracy and reliability of the model are guaranteed, elastic deformation of the continuous variable convexity roller and elastic-plastic deformation of a rolled piece are coupled together, and compared with other technologies, in addition, by means of coupling of a temperature field and a stress field, the method better conforms to the actual situation. The method is simple and easy to implement, low in cost, high inprecision and efficiency and capable of replacing a trial-manufacture experiment in practice.
Owner:SD STEEL RIZHAO CO LTD

E-commerce statistical system based on cloud platform

The invention belongs to the technical field of e-commerce, and discloses an e-commerce statistical system based on a cloud platform, which comprises an e-commerce statistical platform and a cloud server, the e-commerce statistics platform is carried on the cloud server, and a central processing unit and a database are arranged in the e-commerce statistics platform; the e-commerce statistical platform is used for collecting, processing, sorting, retrieving and calling the e-commerce data, and finally establishing a physical model and drawing and displaying images through statistical analysis;an enhanced firewall is programmed on the cloud server based on a software program; and the e-commerce statistics platform is connected with a second display screen. By arranging the data on the cloudplatform, overload of the system is well avoided, a text, voice and picture input mode can be adopted, and the application range of the system is expanded, so that various statistical analysis requirements are met; therefore, calculation and acquisition of various target data are realized, and great convenience is brought to use of workers; the analysis accuracy is improved, and the simulation analysis of the data is realized.
Owner:安徽西尔艾智能科技有限公司

The method of constructing electromagnetic wave spatial transmission model based on cone configuration

A method for constructing electromagnetic wave transmission model of cone configuration. A method and apparatus for construct a circular cone having a known vertex; Calculation of hypotenuse length ofcone; Constructing of oblique cone with the same bottom; Calculation of inclined cone inclined edge length; Model Construction of Bevel Edge Length Variation of Inclined Cone; The electromagnetic wave spatial transmission model of unknown position target is constructed. The spatial relations of electromagnetic wave emission, reflection and reception between the unknown position target and the transmitter and receiver are established by simulation. Observation and positioning simulation of unknown position target are carried out. The advantage of that invention: By converting the calculation of electromagnetic wave space transmission distance into the analysis and calculation of the bevel length of a series of inclined cones with the same bottom, Thus, the time-varying model of electromagnetic wave space transmission can be deduced and constructed, which can realize the simulation analysis of electromagnetic wave space transmission state for the unknown position target, and provide thebasis for the simulation calculation and evaluation of the real electromagnetic wave space transmission mode based on the principle of the space electromagnetic wave observation electronic system andthe computer simulation.
Owner:CIVIL AVIATION UNIV OF CHINA

Oil and gas recovery monitoring device

The invention discloses an oil and gas recovery monitoring device. The oil and gas recovery monitoring device comprises a man-machine operation module, a plurality of gas flow meters, a liquid flow meter, a plurality of temperature sensors, a plurality of pressure transmitters, a VOC concentration sensor, a refrigeration module, a video data acquisition module, a central processor, a physical model building module, a recovery method optimization module, a virtual sensor, a simulation analysis module, a drawing module, a regression calculation module and an oil and gas recovery condition evaluation module. With the oil and gas recovery monitoring device of the invention adopted, data automatic acquisition, analysis and automatic generation of records are realized, oil and gas recovery monitoring can be automated and informationized, and detection results are accurate; three-dimensional simulation display of oil and gas recovery to be monitored can be realized through a physical model, so that a user can more intuitively understand the condition of the oil and gas recovery to be monitored; and through the self-definition of the recovery method optimization module, the simulation analysis module and the virtual sensor, the simulation analysis of the physical model can be realized, and the formulation of various measures for different situations can be facilitated.
Owner:LIAONING UNIVERSITY OF PETROLEUM AND CHEMICAL TECHNOLOGY

City planning and design intelligent ontology model construction method

The invention discloses a city planning and design intelligent ontology model construction method which comprises the following steps that a city planning physical model is built, and a hard point file is obtained; a modifiable hard point table is formed; a hard point city planning structure model is built; the hard point city planning structure model is subjected to parameterization processing; city planning structure dotted line models of all regions are built; virtual sensors and virtual parameter actuating models are inserted into the obtained city planning structure dotted line models ofall regions; simulation analysis is performed, and part detailed mathematical models are obtained; a city planning dotted line model is built, the detailed mathematical models of all region models aredecorated to the corresponding dotted line components of the city planning dotted line model, and a city planning parameterized model is obtained. The city planning and design intelligent ontology model construction method starts from the behavior of people in the city and functions of the city, the integrated pattern of planning of the whole city from the regional planning optimization to wholeoptimization is adopted, the city structure is comprehensively optimized, the city functions are well developed, and the city competitiveness is improved.
Owner:SHANDONG UNIV OF ART & DESIGN

A fabricated building design device and method

The invention discloses a fabricated building design device and method. The system comprises a drawing path acquisition module, the input of the painting path acquisition module is connected with outputs of a painting brush path acquisition module and an eraser path acquisition module; the output of the painting path acquisition module is connected with the first input of a central processing unit; the first output of the central processing unit is connected with the input of a three-dimensional model generation module; the second output of the central processing unit is connected with the input of a hard spot file reading module; the output of the hard spot file reading module is connected with the second input of the central processing unit; the third output of the central processing unit is connected with the input of a hard point building construction model building module, the fourth output of the central processing unit is connected with the input of a hard point release module,and the fifth output of the central processing unit is connected with the input of the building component point line model building module. The method has the characteristics of convenience and rapidness; and simulation analysis and detection of the performance of the building are realized while the design is carried out, and the fusion of the building design and the performance design is realized.
Owner:XIJING UNIV

A flight control method and system based on complex low altitude

The invention discloses a flight control method and a flight control system on the basis of complicated low altitudes. The flight control method includes acquiring environmental information in set threshold ranges around to-be-controlled aircrafts; acquiring flight plans of the to-be-controlled aircrafts; judging whether conflict between the environmental information and the flight plans of the to-be-controlled aircrafts exists or not, and allowing the to-be-controlled aircrafts to fly according to the flight plans if the conflict does not exist; acquiring conflict information of the environmental information and the flight plans if the conflict exists; adjusting the flight plans according to the conflict information to obtain adjusted flight plans and allowing the to-be-controlled aircrafts to fly according to the adjusted flight plans. The environmental information includes information of other aircrafts, weather information and topographic information. The flight plans comprise flight routes, flight heights and flight speeds which correspond to a plurality of legs. The flight control method and the flight control system have the advantage that control and simulation analysis canbe carried out on flight at the complicated low altitudes by the aid of the flight control method and the flight control system which is a simulation system.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Relay endurance performance storage degradation analysis method

ActiveCN107748826AAnalysis of Endurance Mechanical PropertiesSolve the problem of changes in the resistance to mechanical propertiesDesign optimisation/simulationSpecial data processing applicationsSimulationStress relaxation
The invention discloses a relay endurance performance storage degradation analysis method and belongs to the technical field of relay product performance analysis. The method comprises the steps of building a contact spring system vibration simulation model of a relay according to design parameters of the relay; performing a storage degradation test on a contact spring system, and based on a stress relaxation theory, building a storage degradation model of the contact spring system; discretizing the storage degradation model, based on this, modifying the simulation model to realize storage degradation injection of the contact spring system, and performing calculation to obtain a degradation condition of a pre-pressure value between normally closed contacts; performing mode analysis and frequency response analysis on the contact spring system vibration simulation model realizing the degradation injection, and determining degradation conditions of a resonant frequency and a correspondingcontact force response value; and comparing pre-pressure values and contact force response values corresponding to different storage time, and judging whether the endurance performance of the relay meets a requirement or not, thereby realizing the storage degradation analysis of the endurance performance of the relay. According to the method, the problem of incapability of giving out a change condition of the endurance performance of the relay in a long storage process during a design stage can be solved.
Owner:HARBIN INST OF TECH

Equivalent method of predicting thermomechanical fatigue life

The invention discloses an equivalent method of predicting thermomechanical fatigue life. The method comprises the steps of: establishing a thermomechanical dynamics model, and obtaining a hard-pointfile; forming a modifiable hard-point table; establishing a hard-point thermomechanical construction model; carrying out parametric processing on a hard-point thermomechanical-construction-model; establishing a thermomechanical component construction point and line model of each thermomechanical component; designing detailed moduli of each component, and constructing a thermomechanical parameterized DMU model; and inserting virtual sensors and virtual actuators in the thermomechanical parameterized DMU model, and carrying out thermomechanical performance analysis. According to the method, thermomechanical performance analysis and detection can be completed while design is carried out, fusion of architectural design and performance design is realized, and thermomechanical optimization can be carried out according to different needs. According to the method, thermomechanical fatigue testing is realized through construction of the thermomechanical parameter model and a mode of simulationanalysis, and performance influences of various parameters on each thermomechanical component are fully considered.
Owner:ZHONGBEI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products