7results about How to "Realize recurrence" patented technology

The invention relates to the technical field of chip verification, in particular to a cross-platform test scene reproduction method, which comprises the following steps of: S1, executing simulation of chip design on a first verification platform, and capturing and recording all related signal waveform data in a simulation process through a simulation tool; s2, converting the waveform data captured in the S1 into a text format by using a waveform conversion tool, wherein the text format comprises an input signal required by a second platform; s3, the second verification platform reads the text content converted in the step S2, state data of each signal at different time points are extracted from the text content, and an excitation signal sequence suitable for the second verification platform is generated according to the extracted information; s4, loading the excitation signal generated in the step S3 to an RTL model of a second verification platform; and S5, operating simulation on the second verification platform by using the excitation signal set in the step S4. According to the method, the flexibility, efficiency and reliability of chip verification are remarkably improved.

The invention discloses an intelligent shield tunneling experiment load loading system and a use method, and relates to the technical field of tunnel engineering and tunneling machine manufacturing, and the system comprises a hydraulic oil tank, a main oil path, a propulsion counter-force loading module and a cutterhead resistance moment loading module. The propelling counter-force loading module comprises a propelling branch oil way, a propelling oil return way, a propelling oil supply way and a propelling counter-force oil cylinder; the cutterhead resistance moment loading module comprises a loading branch oil way, a loading oil return way and a resistance moment loading oil cylinder; the thrust counterforce oil cylinder provides counterforce for the thrust counterforce device, and the resistance moment loading oil cylinder provides resistance moment for the cutter head resistance moment device. The device has the beneficial effects that an experiment load can be provided for carrying out related experiments of intelligent shield tunneling, various boundary conditions in the shield tunneling process are simulated and controlled, and support is provided for development and testing of an intelligent shield tunneling control algorithm.

The present invention discloses a simulation method, device and electronic device for a CO2 phase change fracturing experiment, and belongs to the technical field of drilling of soil layers or rocks. The method includes: obtaining the pressure of each stage of the CO2 phase change load in the CO2 phase change fracturing experiment, constructing the temperature-pressure relationship of the CO2 phase change load, calculating the temperature based on the temperature-pressure relationship, and using the calculated temperature as the simulated input temperature of CO2 to calculate the simulated initial viscosity of CO2, calculating the flow temperature of CO2 inside the matrix according to the simulated initial viscosity of CO2 and the mass conservation equation, using the flow temperature to update the flow viscosity of CO2 inside the matrix, and simulating the CO2 phase change fracturing experiment. The method can capture the influence of phase change that cannot be considered by traditional numerical models, and is more reliable, rapid and low-cost, and realizes the reproduction of the carbon dioxide phase change fracturing experiment, solving the problem of low efficiency and high cost of experimental research on CO2 phase change fracturing.

The invention relates to the technical field of generator excitation simulation, and discloses an RT-LAB-based generator excitation small signal semi-physical simulation method and detection system, and the simulation method comprises the following steps: building a single machine infinite bus simulation system and a generator excitation system model in RT-LAB software; a semi-physical simulation platform loaded with RT-LAB software is electrically connected with the AVR excitation regulator through a conversion card; based on the generator excitation system model established in RT-LAB software, determining the optimal working parameters of the PSS of the AVR excitation regulator; and based on the optimal working parameters of the PSS of the AVR excitation regulator, adjusting the control parameters of the single-machine infinite-bus simulation system and the generator excitation system model so as to evaluate the response performance of the AVR to various generator faults. According to the method, a small signal model is built through RT-LAB, and the test accuracy is ensured by utilizing the real-time capability of the step length of 15 microseconds.

A pulse collection and reproduction system, comprising a reproduction terminal (1), a collection terminal (2), and a server terminal, and the technical key points are that a data transmission channel is directly established between the collection terminal (2) and the reproduction terminal (1) in a C / S architecture or a data transmission channel is established through the server terminal as a transfer, and the data of the collection terminal (2) or the server terminal is transmitted to the reproduction terminal (1); the server terminal comprises a communication module for receiving the pulse data uploaded by the collection terminal (2) or sending the diagnosis result to the reproduction terminal (1); a database module for storing the two-dimensional or three-dimensional pulse data uploaded by the collection terminal (2); a deep learning model module for loading the pulse diagnosis model and returning the pulse data uploaded by the collection terminal (2) to the diagnosis result. It has the advantages of convenient use, accurate radial artery positioning, high pulse reproduction accuracy, etc. Better simulate the clinical pulse taking, and improve the accuracy of pulse diagnosis instrument pulse taking.

The invention discloses a match auxiliary system, which can automatically reproduce knowledge point information corresponding to a target match question and a target knowledge point identifier, and display a match query result corresponding to a match information query instruction, so that the match preparation and organization efficiency is greatly improved; and the learning efficiency of the competitors and the efficiency of data query analysis are improved.