12results about How to "Simplify the simulation process" patented technology

The invention discloses a wind power plant frequency modulation dynamic equivalent modeling method, device and equipment and a medium, and belongs to the field of power system planning operation. The method comprises the steps that working parameters of all wind turbine generators in the frequency modulation process are obtained and serve as training data for generating a Koopman operator; according to the training data, wind turbine generator dynamic characteristic identification based on a state space dimension raising mode is carried out, and a Koopman operator capable of reflecting a high-dimensional linear relation is obtained; based on the obtained Koopman operator, dividing the wind power plant into a plurality of machine groups by adopting a gap measurement method; and aggregating a plurality of units in the same unit group based on an invariant criterion of output characteristics of the units before and after equivalence. According to the method, the condition that the fans exit frequency modulation due to wind speed out-of-limit or other faults can be better identified, so that the grouping result is more accurate, the actual dynamic characteristics of the wind power plant can be more accurately reflected, the modeling and simulation process of the wind power plant can be simplified, each fan can participate in system frequency modulation more efficiently, and the system efficiency is improved. And the operation stability of the power system can be enhanced.

This invention discloses a finite element analysis method for seat body pressure distribution based on gravity, comprising the following steps: First, combining the shape data of the seat cover, the engineering data of the foam and suspension lines are determined; during modeling, in addition to the seat frame, plastic parts, and foam, the cover and suspension lines are also included, and the initial penetration of the foam and cover is preserved; a prestress file for the foam and cover is generated; the suspension lines are simulated using 1D spring elements; the generated prestress file is imported into the established finite element model of the entire seat, and the final seat model includes the prestress of the foam wrapped by the cover with suspension lines; a dummy model is imported; the dummy is positioned; an acceleration at an angle of 40-50° to the z-direction is applied; a total of ten steps. The simulation process is simple, the simulation results are more realistic and reliable, reducing seat development costs and shortening the development cycle, and is an effective means of early comfort verification in the seat R&D process.

A pipeline equivalent circuit model considering the axial diffusion effect of fluid belongs to the technical field of time domain simulation of an integrated energy system, and is composed of an equivalent circuit model for simulating two sections of water pipes with different lengths; the first section of water pipe is divided into N units with the same length, and the equivalent circuit model for simulating each unit is composed of a branch containing a variable resistor and five branches connected in parallel; the equivalent circuit model for simulating the second section of water pipe and the equivalent circuit model for simulating each unit in the first section of water pipe have the same topological structure, and the equivalent circuit model for simulating the second section of water pipe and the equivalent circuit model for simulating each unit in the first section of water pipe are connected in series to obtain the pipeline equivalent circuit model. The thermal dynamic process of the liquid in the water pipe can be simulated, joint simulation and analysis of a comprehensive energy system covering electric power and thermal power are achieved in the same simulation environment, the simulation precision and efficiency are improved, and the simulation calculation amount is reduced.

The invention discloses a wellbore corrosion simulation evaluation system for oil and gas wells, including an oil casing evaluation module, a corrosion hanging plate module, a scaling evaluation module, an electrochemical corrosion probe module and a double-layer circulation pipeline; the oil casing evaluation module, the corrosion hanging plate module, the scaling evaluation module and the electrochemical corrosion probe module are all connected to the double-layer circulation pipeline, the oil casing evaluation module is used for fluid scouring simulation of the oil casing and the inner coating of the oil casing; the corrosion hanging plate module is used for dynamic scouring corrosion simulation of the fluid; the scaling evaluation module is used for scaling simulation of the oil casing; the electrochemical corrosion probe module is used for electrochemical corrosion simulation of the oil casing. It can simulate the corrosion and scaling factors such as fluid flow rate, pressure, temperature in the wellbore environment, and can be used to carry out oil casing corrosion rate testing, corrosion behavior and corrosion mechanism research, anti-corrosion measures effect evaluation, corrosion inhibitor optimization, scale inhibitor optimization, incompatible fluid scaling status research, etc., to provide an effective evaluation means for the anti-corrosion and anti-scaling work of oil and gas wells.

This invention discloses a testbench simulation verification platform and system, comprising: a stimulus database for collecting and storing simulation source data; upon receiving a parameter configuration instruction from the module under test, determining the stimulus content corresponding to the configuration parameters, and outputting the stimulus content through a parameter interface; the stimulus content being used for simulation testing of the module under test; and a data conversion module for acquiring the output signal of the module under test and converting the output signal into response content in a preset format according to conversion rules. This invention simplifies the simulation process, reduces manual intervention, improves the automation and accuracy of simulation testing, and effectively enhances testing efficiency and reusability.

The present invention is applicable to the field of photonic integration, and provides a path-based optical simulation device activation method, device and terminal equipment, the method comprising: obtaining the system topology relationship of the integrated photonic system and the internal port relationship of the candidate device; obtaining the input device and the output device in the candidate device, and determining the first port corresponding to the input device and the second port corresponding to the output device according to the system topology relationship and the internal port relationship, the first port being a port capable of receiving an optical signal emitted by the input device, and the second port being a port capable of transmitting an optical signal to the output device; and determining the activated device in the candidate device according to the first port and the second port. The path-based optical simulation device activation method provided by the present invention can easily and quickly determine the device that needs to be activated in the integrated photonic system, thereby effectively simplifying its simulation process and reducing the amount of calculation.

The application provides a kind of support extended vehicle-mounted multi-channel camera simulation method and system.Method includes: obtaining specified picture or video data, generating the original picture data of each frame, and according to the format of PPI, it is packed into PPI data format, and the ECC and CRC data required for each line are calculated;According to the resolution size of each camera, the required simulation simulation platform memory space is generated;The generated PPI, ECC and CRC data are injected into the memory space;According to the output state of the platform, update the data in the memory space to the next frame data during frame blanking;Using the PPI format module of the platform, according to the configuration of each channel, the data is divided into different Lane according to PPI format, and is output to CSI2 HOST according to PPI format.The application can simulate different types of cameras and their parameters.

This application relates to an intelligent simulation system and method. The intelligent simulation system includes at least: a simulation configuration specification generation system for generating a simulation configuration specification based on user-input simulation tasks; the simulation configuration specification describes simulation configuration information; a simulation task resource inference system for inferring the computational resources required to execute the simulation task based on the simulation configuration specification; a simulation orchestration system for determining a target solver from multiple solvers based on the simulation configuration specification, so that the target solver executes the simulation task based on the computational resources; and a simulation fault repair system for generating repair instructions and a diagnostic report when the target solver fails to simulate. Through multi-system collaborative coupling, the intelligent simulation system enables users to trigger the simulation workflow through natural language interaction, achieving end-to-end automation from mesh generation to solution analysis. This significantly reduces the user's familiarity with the underlying software operations and enables standardized delivery of simulation expert engineering capabilities.

The invention discloses a joint simulation method. The method comprises the following steps: acquiring a model parameter file; under the condition that synchronous operation of the SIMULINK and the BLADED is detected, sending a first to-be-exchanged data variable to SIMULINK software, and / or controlling the SIMULINK software to send a second to-be-exchanged data variable to the BLADED; and performing joint simulation between the SIMULINK software and the BLADED software based on the first to-be-exchanged data variable and / or the second to-be-exchanged data variable. According to the method, the to-be-exchanged data variables are read from the model parameter file and serve as the control parameters of the model to automatically achieve joint simulation, Bladed and Simulink coupling simulation is combined, a more comprehensive wind turbine design and analysis solution is formed, and a more complete wind generating set simulation model is established.

The invention relates to a nonlinear mechanical load intelligent simulation method and device, and belongs to the technical field of mechanical load simulation and testing. The device comprises an accompanying test motor, a rotating speed sensor, a loading motor, a photoelectric encoder, an inverter and a control system, wherein the accompanying test motor, the rotating speed sensor, the loading motor and the inverter are connected in sequence; the control system is respectively connected with the rotating speed sensor and the inverter, and is also connected with the loading motor through the photoelectric encoder. The simulation method comprises the following steps: selecting a proper speed step length for sampling according to the characteristics of a test target load curve, and obtaining rotating speed-current data; processing the rotating speed-current data obtained by sampling to obtain a mathematical relationship between the rotating speed of the test target and the output current of the inverter; the current output of the inverter is controlled through the control system according to the mathematical relationship obtained through fitting, and accurate control over the torque is achieved. According to the method, the limitation of a traditional test method is overcome, various complex load curves can be dealt with, and higher precision and reliability are provided for test.

The invention discloses a CAE analysis method for seat body pressure distribution based on a forced displacement method, which includes the following steps: firstly, combining the modeling data of the seat cover, determining the engineering data of the foam and the tension line; when modeling, in addition to the seat frame, plastic parts and foam, the cover and the tension line are also included, and the initial penetration between the foam and the cover is retained; forming a prestress file of the foam and the cover; simulating the tension line with a 1D spring unit; importing the formed prestress file into the established seat whole chair finite element model, and the final seat model includes the prestress of the cover with the tension line wrapping the foam; importing the dummy model; positioning the dummy; according to the initial position of the dummy, loading the forced displacement reaching the theoretical R point of the dummy to simulate the process of a person sitting on the seat, and setting the pressure output on the card.intfor; a total of ten steps. The simulation process is simple, the simulation result is more real and reliable, the seat development cost is reduced, the development cycle is shortened, and it is an effective means of early comfort verification in the seat development process.

The invention discloses a wind turbine generator load simulation system and simulation method based on Bladed and Matlab, and the simulation system comprises a Bladed model initialization configuration module which is used for loading different Bladed wind turbine generator models; the Matlab model parameter configuration module is used for loading a corresponding parameter file in the Simulink model; the wind turbine generator load working condition configuration module is used for selecting working conditions; the control program and parameter configuration module is used for loading a Bladed wind turbine generator main control program, a Matlab wind turbine generator converter program and respective control parameters; and the calculation module is used for analyzing and calculating the load and analyzing the control performance. According to the method, batch efficient simulation of the wind turbine generator load can be realized, and a visual interface is provided.