558 results about "Digital analog" patented technology

The invention relates to the technical field of satellite communication, in particular to a high-orbit and low-orbit satellite communication resource scheduling method and system, which collects real-time state information of high-orbit and low-orbit satellites, performs digital simulation of a satellite network based on the real-time information, constructs a satellite network management model and predicts satellite trajectory change. The method comprises the following steps: performing multi-dimensional evaluation on a satellite network management model by using a pre-constructed network evaluation framework, generating cross-orbit link evaluation information, analyzing parameters such as link quality and bandwidth, obtaining current service demand information, analyzing a communication resource allocation strategy in combination with a cross-orbit link evaluation result, and formulating a resource scheduling strategy according to strategy analysis. And a high-orbit and low-orbit satellite communication network is constructed through execution of a hierarchical network management mechanism and a cross-orbit data transmission protocol.

The invention relates to the technical field of fire early warning, and discloses a tunnel fire early warning method and system based on deep learning, and the method comprises the steps: deploying a sensor, constructing a wireless transmission network, and obtaining multi-modal data; carrying out preprocessing, feature extraction and feature fusion on the multi-modal data; constructing a tunnel fire early warning model adapted to the construction environment and designing a dynamic threshold mechanism; and designing a multi-level early warning response mechanism and carrying out early warning. According to the invention, the dust-proof smoke sensor is arranged to overcome the problem of susceptibility to dust interference; sampling frequency and communication frequency are automatically adjusted according to monitoring requirements during data transmission, so that the monitoring effect is ensured and the service life of a battery is prolonged; a tunnel fire early warning model based on TCNN is constructed, and a large-scale fire data set is constructed through FDS digital simulation to train the model; a dynamic threshold value capable of being automatically adjusted according to the environment is designed, and the problem that a fixed threshold value system does not adapt to the changing environment is solved.

The invention relates to the technical field of light source control, and discloses a self-adaptive regulation and control method and device for wafer detection light source brightness, and the method comprises the steps: carrying out the preliminary irradiation of a wafer through a preset annular light source, collecting initial image data, carrying out the digital simulation according to the initial detection data, and generating a wafer detection feedback model; analyzing a light source irradiation demand according to the detection feedback model, generating a gradient execution scheme, sequentially configuring light source parameters according to the gradient scheme, carrying out multiple rounds of detection on a wafer, collecting data, feeding detection data back to the model, carrying out parameter adjustment, carrying out expanded light source detection demand analysis on the adjusted model, and generating an expanded detection scheme. According to the method, by automatically adjusting the brightness and configuration of the light source, efficient and accurate wafer surface defect detection is achieved, the detection precision and efficiency are improved, the method adapts to the detection requirements of different wafers, and the problem that in the prior art, due to the fact that the light source used for detection is not comprehensive enough, the defect is not detected is solved.

The invention relates to the technical field of digital simulation, and discloses an emergency rescue method and system based on unmanned aerial vehicles and an urban three-dimensional platform, and the method comprises the steps: calling an emergency rescue region model through the urban three-dimensional platform, driving an unmanned aerial vehicle formation to go to an emergency region to obtain real-time region information, and employing a pre-trained accident condition image recognition algorithm to recognize an accident condition image; accident condition characteristics such as smoke and fire, fire fighting access blockage, emergency exit blockage, urban inland inundation, dangerous slopes, dangerous building detection, illegal building of building roofs, river channel floating object recognition and high-voltage electric tower inclination monitoring are identified, and the accident condition characteristics are substituted into the regional three-dimensional model to generate an accident simulation model. Real-time accident condition feedback is provided through the accident simulation model, rescue workers are assisted to make scientific rescue decisions, through comprehensive analysis and accurate simulation of an emergency rescue area, the detection efficiency of the unmanned aerial vehicle is improved, the timeliness and accuracy of rescue are enhanced, and the problem that in the prior art, the efficiency is low through manual collection of the current accident condition is solved.

The invention discloses an indoor environment performance optimization design method and system for a tall and large space building based on CFD and a multi-objective optimization algorithm, and the method comprises the steps: building a parameterized analysis model through combining with a BIM model, carrying out the digital simulation analysis of an indoor light environment and energy consumption through employing Honeybee Radio and Honeybee Entry plug-ins in Rhino and Grasshopper environments, determining optimization parameters and objectives, and carrying out the optimization of the indoor environment and energy consumption. And a BIM model and an IDF file corresponding to the optimal schemes are exported, the uniformity of the indoor airflow organization is evaluated based on FFD software, and parameters of the optimal schemes are determined. Compared with a traditional indoor environment optimization method, the high and large space building indoor environment performance optimization and evaluation method is efficient, accurate and economical, and has higher accuracy, higher adaptability and wider applicability. Natural lighting, building energy consumption and indoor three-dimensional thermal comfort can be considered at the same time, and optimization of the indoor environment performance of the tall and large space building is achieved.

The invention relates to the technical field of building construction, in particular to a foundation pit dewatering prediction method based on a digital twinborn technology, which comprises the following steps of: 1, establishing a multi-source data fusion layer; 2, establishing a digital twin modeling layer; 3, establishing an intelligent prediction algorithm layer; 4, establishing a dynamic optimization decision layer, and generating a precipitation well optimization scheme based on a prediction result; according to the method, engineering geological data of a geological survey report before excavation of the building foundation pit, historical meteorology of a building location and hydrogeological data are utilized, digital twinning is carried out on precipitation during the whole construction period of the proposed building foundation pit on the basis of a digital twinning technology, the precipitation period, daily precipitation and influence of precipitation on foundation pit supporting are predicted, and the foundation pit supporting effect is improved. According to the method, the influence of settlement deformation of surrounding buildings is reduced, digital simulation is provided for smooth construction of a whole project, and measurement and prediction are provided for the project and the surrounding environment, so that the construction cost is greatly reduced.

The invention belongs to the technical field of digital twinning and water conservancy management, and discloses a digital twinning water conservancy dynamic prediction and simulation method based on an AI technology, the dynamic prediction and simulation method is realized based on a digital twinning platform, and the specific steps are as follows: S1, constructing a digital twinning scene; s2, preparing model prediction training data; s3, training a prediction model; s4, realizing future prediction; and S5, performing future digital twinning simulation. By introducing the AI learning model and constructing the three-dimensional water conservancy digital simulation scene, a large amount of data is provided for the model, the model is further enabled to automatically learn and extract a complex nonlinear relationship from a large amount of historical data and real-time monitoring data, the prediction precision of hydrological data is remarkably improved, and the prediction efficiency of the hydrological data is improved. Compared with traditional static prediction, the method not only can adaptively adjust prediction parameters, but also can perform dynamic adjustment according to continuously updated environment data, and has higher real-time performance and reliability.

The invention relates to the technical field of computer aided design, in particular to an energy-saving building design method based on digital simulation, which comprises the following steps: analyzing air velocity, temperature gradient, density and pressure distribution based on indoor aerodynamic parameters, identifying air vortex structure characteristics, and generating an energy-saving building environment data set. According to the method, aerodynamic characteristics in a building are accurately recognized, the vortex structure analysis capacity is improved, the air flowing path is optimized, aerodynamic parameters are combined, thermal resistance and heat conduction materials are matched, the building envelope layer is adjusted, heat flow transmission is guided, heat loss is reduced, the heat energy utilization rate is increased, and the spectral characteristics of the materials are adjusted according to illumination redundancy; the lighting efficiency is optimized, the heat load is reduced, outer wall heat transfer is optimized in combination with airflow characteristics, the ventilation rate is dynamically regulated and controlled, airflow short circuit is avoided, heat flow, illumination and ventilation parameters are integrated, precise optimization of building energy consumption is achieved, and the energy efficiency regulation and control level is improved.

The invention discloses an aluminum alloy wheel forging process based on automatic control and digital simulation, and belongs to the technical field of automobile part forging. The problems that an existing technology is not high in digitization level, a workshop information system is single in function, and the amount of integrated information is small are solved, the aluminum alloy wheel forging technological process and the forging result are fully re-carved through the digital simulation technology by introducing the digital simulation technology and the automatic control technology, and the aluminum alloy wheel forging quality is improved. Therefore, a worker can predict the aluminum alloy wheel forging effect according to current equipment parameters and various monitoring data in a scene, the worker can adjust parameters of forging equipment and scene parameters in advance, and then the aluminum alloy wheel forging precision is improved. And secondly, various sensing devices are arranged in various forging scenes, various data in the forging scenes are monitored through the sensing devices, and therefore it is ensured that the forging environment is suitable for the aluminum alloy wheel forging requirement to the maximum extent, and the aluminum alloy wheel forging precision and effect are further improved.

The invention relates to the technical field of river channel simulation, and discloses a three-dimensional digital river channel simulation method based on remote sensing inversion calculation, and the method comprises the steps: obtaining a river channel image through an optical remote sensing technology, judging and eliminating cloud layer shielding, extracting a river bank line, obtaining a river channel center line and a river channel width, and finally achieving the three-dimensional digital simulation of a river channel. The method comprises the specific steps of obtaining an initial remote sensing image of a target river channel, judging whether cloud layer shielding exists and removing the cloud layer shielding, extracting and recording end points and lengths of two banks of the river channel, dividing river bank segmentation points according to a proportion, connecting the two bank segmentation points to obtain midline points and fitting the midline points into a river channel midline. And then, through the midline segmentation point, planning a vertical line by using a water flow direction, obtaining the width of the river channel, and finally completing digital simulation of the river channel through a measuring scale calibration strategy. The method can effectively improve the accuracy of river simulation, and provides a scientific basis for water conservancy management, environment monitoring and the like.

The invention belongs to the technical field of low-temperature wind tunnel tests, and discloses a method for correcting a temperature effect caused by a temperature gradient of a wind tunnel balance. The temperature effect correction method comprises the steps of obtaining temperature distribution of a wind tunnel balance in a wind tunnel test; acquiring a wind tunnel balance temperature gradient distribution mathematical model; obtaining wind tunnel balance theoretical structure thermal strain and wind tunnel balance theoretical bridge thermal output; obtaining a temperature effect correction formula caused by the temperature gradient; and obtaining corrected aerodynamic force test data. According to the method for correcting the temperature effect caused by the temperature gradient of the wind tunnel balance, the structural deformation caused by the temperature gradient in the wind tunnel balance test and the generated thermal output of the measuring bridge are evaluated through digital simulation, so that the temperature effect caused by the structural temperature gradient of the wind tunnel balance is corrected; the method can effectively improve the data quality of the wind tunnel test, and especially has an engineering practical value for the wind tunnel test with a large flow field temperature change.

The subject matter described herein relates to various antenna element configurations, antenna array configurations, their operations including various systems and methods to generate modulated data for transmission by an RF antenna array via an optical processing engine. The subject matter includes optical processing engine structure and methods (e.g., modulating in the optical domain, MIMO and spatial modulation via RF beam formation, coherent transmission of RF signal components, coherent operation of spatially separate RF antenna arrays) that may be implemented with the various RF antenna array structures. In some examples, the system combines the virtues of digital, analog and optical processing to arrive at a solution for scalable, non-blocking, simultaneous transmission to multiple UE-s. Much of the system architecture is independent of the RF carrier frequency, and different frequency bands can be accessed easily and rapidly by tuning the optical source (TOPS). In some examples, multiple communication channels may be transmitted simultaneously to different locations. The transmitter may be formed by an array of optically fed antennas.

The embodiment of the invention provides a three-dimensional digital-analog file generation method and device, equipment, a medium and a program product. The method comprises the steps of determining a target three-dimensional digital-analog file based on at least one of the following modes: text description information, a first three-dimensional digital-analog file and an edited three-dimensional CAD modeling language data sequence; the text description information is description information of the target three-dimensional digital-analog file or modification parameter description information of the first three-dimensional digital-analog file; the edited three-dimensional CAD modeling language data sequence is obtained by combining editing parameters with a three-dimensional CAD modeling language data sequence generated by a CAD sequence modeling language generation model which is finely adjusted in advance. According to the embodiment of the invention, the target digital-analog file can be automatically generated, the target three-dimensional digital-analog file can be more quickly and accurately determined, the quality and efficiency of generating the three-dimensional digital-analog file are improved, meanwhile, the labor cost can be reduced, and the dependence on computer aided design software is reduced.

The present invention discloses a galvanometer control communication system, a communication method and a laser device of a laser device, wherein the communication method comprises: a marking control card sends data in frames that conform to a preset protocol format to the galvanometer; the galvanometer identifies the type identification character in each frame of data from the received data, and if it is a first type identification, the position information is determined according to the frame data, and sent to the digital analog conversion chip of the galvanometer to convert the position information into a drive instruction, and send it to the actuator of the galvanometer; if the type identification character is identified as a second type identification, the corresponding control command is determined according to the frame data, and the control command is defined as a request for information to be transmitted back to the galvanometer end; in response to the control command, the galvanometer sends the information requested to be transmitted back in the control command to the marking control card. The communication method of the present invention takes into account both the control of the galvanometer position and the monitoring of the galvanometer working state.

The invention relates to the technical field of digital simulation, and discloses an emergency rescue method and system based on unmanned aerial vehicles and a three-dimensional urban platform. The invention retrieves an emergency rescue regional model through the three-dimensional urban platform, drives a formation of unmanned aerial vehicles to the emergency region to obtain real-time regional information, utilizes a pre-trained accident situation image recognition algorithm, identifies accident situation characteristics such as fireworks, firefighting passage blockage, safety exit blockage, urban waterlogging, dangerous slopes, dangerous building detection, illegal construction on building roofs, river floating object identification, and high-voltage tower tilt monitoring, substitutes the accident situation characteristics into a regional three-dimensional model to generate an accident simulation model, provides real-time accident situation feedback through the accident simulation model, assists rescue personnel in making scientific rescue decisions, improves the detection efficiency of unmanned aerial vehicles through comprehensive analysis and precise simulation of the emergency rescue region, enhances the timeliness and precision of rescue, and solves the problem of low efficiency in manually collecting accident status in the prior art.

The invention provides a measurement and jet printing integrated device and method for a complex curved surface, and belongs to the field of advanced manufacturing, and the device comprises a motion module, a jet printing and measurement module, an integrated control module, a voltage control module and an air pressure control module. And the motion module can move independently, so that the functions of measuring and jet printing function switching and jet printing height adjustment according to the measured height are realized. The jet printing and measuring module is used for achieving the functions of pattern jet printing and jet printing height detection in the technological process. According to the method, the mode that the actual height of the jet printing needle and the surface of the workpiece is measured multiple times in the jet printing process and the height of the spray head is adjusted is adopted, the height change of the spray head in the complex curved surface jet printing process is reduced, the defects caused by inaccurate digital analog in the complex curved surface jet printing machining process are reduced, and the production efficiency is improved. The problems that in a complex curved surface application scene, the jet printing height of an existing jet printing method cannot be changed according to the curved surface height, so that the jet printing quality is low, and defects are serious are solved, and the jet printing quality is improved.

The invention provides a digital twinborn medical education training method and system. The method comprises the following steps: generating case information and scoring rules of AI digital patients based on clinical real cases; constructing a physical training environment which comprises a training model, an environment construction object and an operation sensing device; creating a digital training environment mapped with the physical training environment in real time, wherein the digital training environment comprises an AI digital dummy and an interactive operation process; responding to operation input of the trainee in the physical training environment or the digital training environment; through a server synchronization engine, real-time bidirectional interaction between entity operation of the physical training environment and virtual operation of the digital training environment is realized; and dynamically collecting cross-environment operation data, and generating a clinical ability evaluation report based on case information and scoring rules. The method has the beneficial effects that a medical education evaluation-diagnosis-treatment full operation chain is deeply fused, the clinical practice ability is remarkably improved, and medical risks are effectively prevented and controlled.

The invention discloses a fast-locking low-jitter sub-sampling phase-locked loop structure. The sub-sampling phase-locked loop comprises a sub-sampling Bang-Bang phase discrimination circuit, a self-adaptive variable step size digital filter circuit, a delta sigma digital-to-analog conversion circuit and an oscillator circuit. The sub-sampling Bang-Bang phase discrimination circuit generates a phase discrimination output digital control signal according to an input reference signal and a feedback oscillator signal phase error, the adaptive variable step size digital filter circuit adaptively adjusts a filtering gain according to the phase discrimination output digital control signal, and the output of the filter circuit realizes digital-analog conversion after oversampling modulation. And the output analog signal controls the voltage-controlled oscillator to realize rapid low-jitter phase locking of the output and the reference signal.

The invention relates to the technical field of solar cell panel control, and discloses an operation control method and system for a solar cell panel, and the method comprises the steps: obtaining the specification information of the solar cell panel, setting the positioning information, carrying out the digital simulation according to the specification and positioning information, and generating a light receiving performance model and a sunlight environment model; generating a current-day illumination simulation model by combining seasonal and climatic factors by utilizing a historical database, analyzing the illumination simulation model and a light receiving performance model to obtain initial light receiving characteristics and a preset light receiving track, continuously recording illumination conversion electric energy of the cell panel to correct the preset light receiving track, and adjusting an inclination angle of the cell panel to obtain a current-day illumination simulation model. The energy conversion efficiency of the solar cell panel is improved, sunlight resources are fully utilized, different seasons and climate changes are adapted, the performance of the solar cell panel in a changing environment is enhanced, and the problem that in the prior art, the efficiency of collecting illumination data in real time for angle adjustment is low is solved.

The invention discloses an ODAC implementation system and method based on a five-segment thermo-optical phase modulator, and relates to the technical field of optical communication, and the method comprises the following steps: obtaining single-mode laser input, dividing the single-mode laser input into two paths through a multi-mode interference device beam splitter, and transmitting the single-mode laser input into an upper arm and a lower arm of a Mach-Zehnder modulator; the current is adjusted through the thermo-optic phase modulator to control the temperature, the refractive index is changed to introduce phase delay, and the phase difference of two arms of the Mach-Zehnder modulator is calibrated; on the basis of a five-segment thermo-optical modulator, hierarchical amplitude modulation is carried out on beam splitting light according to digital input, a phase space is constructed by utilizing weight combination, and a linear optimal discrete state is screened; the modulated light is combined by a multi-mode interference device beam combiner, and digital-analog mapping output of light intensity is carried out; a detector installed at an output port of the five-segment thermo-optical phase modulator is used for monitoring output optical power in real time, the output optical power is fed back to a control circuit to calculate errors, thermo-optical modulation current is dynamically adjusted to compensate offset point drift, and optical digital analog conversion is achieved.

The invention discloses a large-scale aircraft digital-analog automatic assembly method, which belongs to the technical field of aircraft manufacturing, and comprises the following steps: S1, defining EBOM data, S1, defining aircraft digital-analog data, S1, establishing a hierarchical relationship between the EBOM data and aircraft digital-analog, and S1, carrying out aircraft digital-analog automatic assembly. According to the large-scale airplane digital-analog automatic assembly method and automatic assembly, the production speed can be greatly increased through digital-analog automatic assembly, and compared with traditional manual assembly and automatic assembly, more assembly tasks can be completed within shorter time, so that the overall production efficiency and persistent data are improved, and the production efficiency is improved through persistent EBOM data and airplane digital-analog data. According to the method and the system, the traceability and the consistency of data are ensured, a coordinate system is set, and the set coordinate system provides a unified and accurate space reference, so that the accuracy and the consistency of assembly can be improved.

The invention provides a display driving circuit, a display driving chip, a display module and electronic equipment. The display driving circuit comprises a first digital-to-analog converter (DAC), a second DAC, a driving enhancement circuit and a buffer, the first DAC is used for receiving the first digital signal and performing digital-to-analog conversion on the first digital signal; the input end of the second DAC is connected with the output end of the first DAC, and the second DAC is used for receiving the second digital signal and performing analog-to-digital conversion on the second digital signal; the buffer is used for outputting a voltage signal, and the input end of the buffer is connected with the output end of the second DAC; and the output end of the driving enhancement circuit is connected with the output end of the second DAC, and the driving enhancement circuit is used for charging the output end of the second DAC. According to the display panel, the situation of brightness inversion of pixel points on the display panel can be reduced.

The invention relates to the technical field of electric power systems, in particular to an intelligent regulation and control method and system for high-voltage feedback signals of multistage digital processing. A high-sensitivity sensor is used for collecting signals generated by high-voltage equipment, and collected analog signals are converted into digital signals through an analog-to-digital converter; filtering the digital signal through a digital signal processor, and transmitting the filtered signal to a microprocessor for analysis; and according to an analysis result of the microprocessor, a control instruction is generated through the decision algorithm module, and a feedback control signal is output after the control instruction is converted by the digital-to-analog converter. A multi-stage filtering strategy is adopted, including combined application of Kalman filtering and an adaptive filtering algorithm, and accurate processing is carried out on signals in a complex noise environment; intelligent closed-loop control is realized through cooperation of a multi-level decision-making mechanism constructed by an expert system and fuzzy logic and a self-learning optimization function; a modular design and a standardized interface are adopted, and a high-speed bus architecture is combined, so that high integration of the system is realized.

The invention relates to the technical field of safety early warning, and discloses a safety risk early warning method and system based on a low-code cloud platform, and the method comprises the steps: receiving the installation information of monitoring equipment, carrying out the digital simulation, generating a monitoring architecture model, carrying out the multi-level safety risk analysis, constructing an early warning management framework and a label set, and receiving a user interaction instruction. The method comprises the following steps: scheduling a label set, generating a real-time management model, deploying equipment working parameters, switching a monitoring mode, collecting data and carrying out space-time association and trend analysis to obtain an early warning result, realizes automatic and intelligent safety monitoring, improves the risk identification precision and response speed, enhances the flexibility and customizability of the system, and improves the safety of the system. The problem that in the prior art, a fixed early warning mode cannot adapt to all working modes of the same working scene is solved.

The invention discloses an offset cancellation circuit, which comprises a signal conditioning unit used for processing an input signal and outputting a first current signal, an offset cancellation unit used for removing offset current in the first current signal and outputting a second current signal, and a signal processing unit used for processing the second current signal and eliminating offset voltage, the detuning elimination unit specifically comprises a chopper, a digital analog converter, a successive approximation register logic module and a comparator which are connected in sequence, and through multi-level detuning elimination, the precision of the whole circuit is improved, the processing capacity for weak signals is enhanced, the anti-interference capacity is improved, and noise is reduced; the method ensures the stability of long-time operation, and has a wide application prospect in the field of high-precision signal processing.

The invention relates to a square wave generation method and system based on a DDS signal transmitter, and belongs to the technical field of digital electronic signal synthesis. The method comprises the following steps: calculating a digital analog signal sampling frequency based on a square wave output frequency set by a user, and obtaining a digital fundamental frequency phase signal according to a phase-locked loop precision range; mapping the digital fundamental frequency phase signal into a sinusoidal amplitude signal according to a digital phase accumulation mechanism to obtain a digital-analog conversion clock, binarizing the sinusoidal amplitude signal, and outputting a square wave output period; dividing a square wave output period into a low level region and a high level region according to the precision range of the phase-locked loop, reading a square wave output frequency set by a user through a random storage address, and outputting a non-offset phase-locked square wave; and constructing an error accumulation self-checking architecture to calculate a frequency control word, and when detecting that the frequency control word has a decimal discarding error, recalculating the frequency control word.

The invention provides a clock taming and maintaining method and system and electronic equipment, and the method comprises the steps: controlling a voltage control oscillator to generate at least one reference clock through a digital-to-analog converter, and generating each target clock and a local clock according to the demands of the reference clock and each target clock; acquiring a reference signal for clock taming, and performing clock taming on each target clock based on the reference signal and the local clock to obtain a taming result; and acquiring a control value of the digital-to-analog converter and a current temperature value of the voltage-controlled oscillator, calculating a clock taming fitting curve based on the control value and the current temperature value, and performing clock holding based on the clock taming fitting curve. Therefore, the clock taming and maintaining cost can be reduced, the clock maintaining algorithm is simplified, and the clock taming efficiency is improved.

Techniques and apparatus for determining dynamic current mismatches in a current-steering digital-to-analog converter (DAC) are provided. One example technique generally includes accumulating current mismatches between a DAC cell of a plurality of DAC cells and a reference cell using a capacitive element and changing a polarity of the capacitive element during the accumulating. The timing of the accumulating may be controlled such that a static current mismatch between the DAC cell and the reference cell is at least reduced and a dynamic current mismatch between the DAC cell and the reference cell is enhanced.

An electronic user device is configured to obtain from an application server image data associated with a ticket having a scratching area, display a digital simulation of the scratching area of the ticket on a user interface; receive user-provided scratching input at an input module, and digitally simulate the scratching area of the ticket being scratched on the user interface in accordance with the user-provided scratching input.

The invention relates to an automobile engine hood baking deformation simulation method, and relates to the technical field of automobile body manufacturing. The method comprises the following steps: extracting a CAD digital model of an automobile engine hood assembly from three-dimensional modeling software of automobile body design; importing the digital analog into pretreatment software to generate a part grid of the automobile engine hood assembly; the part grids are imported into simulation software; setting a support reference point of the part grid, a hood material characteristic parameter, a damping rubber characteristic parameter and an external loading condition; and simulation analysis is carried out according to analysis steps corresponding to preset coating and baking procedures, and a deformation cloud picture of the automobile engine hood assembly affected by temperature change and damping glue expansion and curing is generated. By adopting the method, product structure factors influencing engine hood baking deformation can be predicted and analyzed in the early stage of a new vehicle type project.