78 results about "Automobile design" patented technology

The invention relates to the field of automobile design, in particular to an equipment scheduling method and device, equipment and a storage medium, and aims to realize reasonable scheduling of test equipment. The method comprises the following steps: receiving an equipment use application sent by a user, wherein the equipment use application comprises a user identity code, an equipment identity code of target equipment and a reserved time grid; according to the device identity code and the time grid, determining whether the reservation time of a plurality of different users corresponding to the target device has conflicts; determining a priority weight corresponding to the equipment use application according to the user identity code of each user under the condition that the reservation time has a conflict; and according to the priority weight corresponding to each equipment use application and the time grid corresponding to each user, distributing the use right of the target equipment to the corresponding user.

The application relates to the technical field of honeycomb sandwich structures, in particular to a double-material curved-edge inner-concave negative Poisson's ratio sandwich plate design method considering material gradient and structure gradient design simultaneously. The method comprises an upper end plate, a core layer and a lower end plate, the core layer is arranged between the upper end plate and the lower end plate and is fixedly connected with the upper end plate and the lower end plate; the core layer is a double-material curved-edge negative Poisson's ratio gradient honeycomb layer structure, and the core layer is obtained by stretching the rear of a double-material inner-concave curved-edge negative Poisson's ratio cell transversely. The internal structure of the plate layer is restructured, so that the problem that lightweight safety cannot be considered simultaneously in the automobile design and production process is solved.

The application discloses a vehicle side window defrosting and defogging area determination method and device, electronic equipment and medium, and belongs to the technical field of automobile design human-machine engineering. The application determines a first design reference area and a plurality of first defrosting and defogging actual need areas corresponding to a left side window of a vehicle based on an eye ellipse model, a rearview mirror observation model and a vehicle side window model in a whole vehicle development coordinate system, and then integrates to obtain a defrosting and defogging design area of the left side window of the vehicle. The defrosting and defogging design area of the left side window of the vehicle can be directly output to a vehicle air conditioner design engineer for left side air outlet design of the vehicle air conditioner. On the premise of meeting the basic use requirements of users and ensuring the actual use comfort of the vehicle, the defrosting and defogging area of the left side window glass is reasonably determined at least in the vehicle design stage, the left side window of the vehicle has good defrosting and defogging effect, and the needs of drivers with different heights and weights for observing the left outside rearview mirror during actual driving are met, so that the driving safety is improved.

The invention provides an automobile design change process data processing method and device, a medium and electronic equipment. The method comprises the steps of obtaining multi-source heterogeneous original design change information through a standardized interface in response to a design change process initiated by a management user for a target automobile change project; performing multi-level classification on the original design change information to obtain at least one category of intermediate design change information; extracting structured target design change information from the intermediate design change information through a pre-trained large language model; and creating a design change application ledger, and importing the target design change information and auditor information auditing the target design change information into the design change application ledger to trigger an approval program of the automobile design change. According to the invention, the efficiency of automobile design change process data processing can be improved.

The application discloses a kind of automobile driver knee space design methods, it is characterized in that, acquire several driving postures data, based on data obtains each percentile human knee space limit line, and stretch to form knee space limit surface, then its process is encapsulated into knee space limit surface template and the template is called in automobile design process to complete design.The application can avoid the problem of poor comfort caused by insufficient driver knee space in the design stage.The driver knee space limit surface obtained by the application can be used to limit the design of instrument panel and center console, to leave enough knee movement space for the driver, and improve the driving comfort of the driver.

The invention discloses an automobile network topology based on a domain centralized architecture and an application method and equipment, and relates to the technical field of automobile design and manufacture, the automobile network topology comprises an automobile body domain controller, a power domain controller, an intelligent driving domain controller and a cabin domain controller, the CAN of the automobile network topology comprises a diagnosis CAN, a power CAN, a chassis CAN, an automobile body CAN, an information CAN and a fuel CAN, and each domain controller comprises a plurality of ECUs as child nodes. The power domain controller and the child node ECU of the power domain controller are mounted on the power CAN; the intelligent driving domain controller and the child node ECU of the intelligent driving domain controller are mounted on the chassis CAN. According to different platform vehicle model architectures of pure electricity, hybrid power and fuel oil, only topological cutting is needed, the topological structure does not need to be changed, and generalization and serialization of parts can be achieved.

The invention discloses an automobile design optimization method based on perceptual requirements. The method comprises the steps of obtaining target comment data about an automobile; obtaining a comment keyword and a user group type according to the target comment data; performing matching relationship verification on the comment keyword to obtain a target keyword pair; obtaining attention features according to the comment keywords; obtaining a user perceptual demand portrait according to the target key vocabulary pair, the attention feature and the user group type; and optimizing the automobile design according to the user perceptual demand portrait. According to the scheme, the matching relation between the design elements and the perceptual words in the user comments can be systematically mined, the perceptual cognition structure model of the user is constructed in combination with the user background and attention characteristics, the perceptual demand difference of different user groups under different car purchase purposes is visually presented, and the user experience is improved. Therefore, a scientific and data-driven support means is provided for automobile appearance design.

The invention discloses a TRB plate index modulation width control parameter identification method, and belongs to the field of new energy automobile design. In order to solve the problems that in existing TRB material parameter identification, a traditional equal-width sample is fractured in a thin area, a uniform-cross-section-area sample is fractured in a thick area, the testing cost is high, the efficiency is low, and hypothesis lacks physical basis, the method is achieved through the six steps that basic parameters of a TRB plate are measured, a uniform-cross-section-area sample width control function is deduced, and the TRB material parameter identification result is obtained; a novel width control function is designed by using an index modulation method, parametric modeling is performed, width control parameters are optimized to enable the transition area to deform sufficiently and uniformly, and an optimal sample is tested based on a DIC technology to obtain a real stress-strain curve. According to the method, the limitation of the prior art is overcome, only the thin area and the thick area need to be tested, the cost is remarkably reduced, the material plasticity information is efficiently obtained, and support is provided for TRB technical engineering application.

This invention provides a device and method for measuring foot space when getting in and out of a car, belonging to the field of automotive design and measurement technology. It includes: a positioning component for fixing the device to a reference plane of the vehicle door sill; a height adjustment component operatively connected to the positioning component for vertical extension / retraction adjustment; a horizontal measuring component operatively connected to the height adjustment component for horizontal extension / retraction or rotation adjustment; a reading component disposed on the horizontal measuring component for measuring and reading the horizontal dimension of the foot space; and a locking component for selectively fixing the positions of the height adjustment component, the horizontal measuring component, and the reading component during measurement. It provides a simple-to-operate, accurate, and highly repeatable device and method for measuring foot space when getting in and out of a car.

The invention relates to an automobile AI drawing method and system based on a fusion competition strategy, and belongs to the field of artificial intelligence. The method comprises the following steps: inputting a fusion competition strategy, and carrying out strategy decomposition and parameter quantization to obtain a strategy parameter table; performing strategy coding based on the strategy parameter table, and outputting a strategy vector; performing design feature mapping based on the strategy vector to obtain a design feature vector; performing feature layering based on the design feature vector, and outputting layering condition embedding through layering coding; embedding and constructing a diffusion model based on a layering condition, and preliminarily generating an automobile design image; and performing strategy consistency evaluation based on the automobile design image, performing mapping matrix adaptive optimization based on an evaluation result, and outputting a final automobile design drawing. According to the method, multiple elements such as market competition strategies, brand features and cost limitation described by natural languages are quantitatively fused into the AI drawing process, so that the scientificity, efficiency and market adaptability of automobile design are improved.

The invention relates to the technical field of automobile design, in particular to a multi-element combination-based frame lightweight optimization method, and solves the technical problems that in existing truss-type frame lightweight design, model establishment is complex, and a traditional Harris eagle algorithm is slow in convergence speed and low in precision. Analyzing strength and rigidity performance under bending and torsion working conditions and acquiring inherent frequency; then, response surface optimization is carried out by taking the I-beam as an object, and three groups of candidate solutions are obtained by taking the maximum deformation and the maximum stress as constraints and the mass as a target; optimizing a traditional Harlisia eagle algorithm to obtain an IHHO algorithm, optimizing the cross section size of the I-shaped beam by using the IHHO algorithm to obtain three groups of optimal solutions, and determining final parameters of the beam cross section after comparison; and optimizing other beams of the frame according to the steps, and finally verifying the strength, rigidity and fatigue life of the optimized frame. The method has a good application prospect in the field of design of truss type frames with lightweight requirements.

The application relates to a flexible-screen-based automobile central control screen structure and relates to the technical field of automobile design and manufacturing. The flexible-screen-based automobile central control screen structure comprises a flexible screen, an upper screen back plate, a lower screen back plate, a folding mechanism, a retainer providing a mounting structure for the folding mechanism, a linear driving motor, a screw rod and a shell. The flexible-screen-based automobile central control screen structure has a smaller space size after being folded, is convenient to arrange, and the flexible screen after being folded can be displayed in a thumbnail mode through a secondary display area, and the interactive demand of a user can still be met.

The utility model discloses a hidden type interactive grating assembly which comprises an exterior trimming part and an interactive light source display structure, the exterior trimming part is a light-transmitting part, a light-transmitting coating is arranged on the surface of the exterior trimming part, and the interactive light source display structure is arranged on the back face of the exterior trimming part corresponding to the light-transmitting coating. The hidden interactive grating assembly and the automobile with the hidden interactive grating assembly are reasonable in design, a corresponding light source display structure on an automobile exterior trimming part does not need to be hollowed out to reserve an installation space, the light source display structure is arranged on the back face of the exterior trimming part, a coating of the exterior trimming part is a light-transmitting coating and can be consistent with an automobile body in color, the integrity of the whole front face can be improved, and therefore the appearance of the whole automobile is improved; and the cost is relatively low.

This invention discloses a method and system for modeling vehicle door structures, relating to the field of automotive design technology. The method includes: determining the large glass surface based on the glass boundary of the door window frame; calling a library of standard door cross-sections with predefined standard cross-sectional references based on the door structure; determining design cross-sectional references for each standard cross-section based on the door structure design parameters; adjusting the standard cross-sectional references to the design cross-sectional references to determine the design position of each cross-section; and generating a door structure model based on all determined cross-sectional positions. This invention achieves rapid and standardized modeling of vehicle door structures through parametric and automated cross-sectional reference alignment and positioning, reducing repetitive manual work, improving design efficiency and consistency, and enabling early verification and optimization of key designs such as hinge arrangement. The system includes corresponding functional modules to implement the method.

The invention discloses an auxiliary instrument panel, and belongs to the field of automobile parts, the auxiliary instrument panel comprises an auxiliary instrument main body, one side of the outer wall of the auxiliary instrument main body is fixedly connected with a panel, the top of one side of the outer wall of the panel is provided with an unlocking window and an interface box located below the unlocking window, and the inner wall of the interface box is clamped with a connector; a limiting groove is formed in the top of the connector, so that when the end of the connector makes contact with one side of the inner wall of the interface box, the end of the inclined plate is separated from limitation of the connector, and the end of the inclined plate is embedded into the limiting groove under the action of resilience force of a reset spring; therefore, the connector and the storage box are fixed, and the problem that in the current automobile design, an interface or a fixing platform of a customized storage box meeting the requirements of a user is not provided, so that the universality of the storage function in the automobile is low is further solved.

The invention relates to the technical field of computer-aided engineering, in particular to a construction method of a high-precision whole vehicle fatigue simulation database and related equipment. The method comprises the following steps: acquiring parameters of a test sample, setting parameters of a fatigue machine and fatigue parameters of the test sample; performing modeling processing on the structure of the test sample according to the parameters of the test sample to obtain an initial CAE model; performing fatigue analysis processing on the initial CAE model according to fatigue machine setting parameters to obtain simulation data; comparing the simulation data with the fatigue parameters of the test sample piece; when the data difference exists, performing parameter adjustment on the initial CAE model, and then performing fatigue analysis processing and comparison until the data difference does not exist; when the data difference does not exist, obtaining a target CAE model; and establishing a database according to the parameters of the target CAE model to obtain a fatigue simulation database. The simulation analysis accuracy can be improved, problems can be accurately found in the automobile design stage, and physical prototype testing is reduced.

The invention discloses a simulation prediction method based on reduced-order model machine learning, and relates to the technical field of crossing of computer-aided engineering simulation and machine learning, in particular to a simulation prediction method based on reduced-order model machine learning, which comprises the following steps: firstly, performing finite element simulation on automobile parts (such as an anti-collision beam) to obtain simulation data; secondly, selecting sample points by adopting a Latin hypercube sampling method, and verifying that a data set meets an order reduction requirement; then, carrying out dimension reduction processing on the data by applying an order reduction model (such as intrinsic orthogonal decomposition (POD) or singular value decomposition (SVD)); and finally, predicting the data after order reduction by using a Kriging method machine learning model, and evaluating the prediction precision by using a decision coefficient R2 and a root mean square error RMSE. According to the method, through combination of the reduced-order model and machine learning, the simulation calculation efficiency is effectively improved, meanwhile, the accuracy of a prediction result is ensured, and the method is suitable for rapid simulation optimization in automobile design.

The utility model relates to the technical field of model manufacturing, in particular to an automobile design clay model manufacturing tool which comprises an assembling assembly, a storage assembly, a containing assembly and a connecting assembly. The storage assembly is connected to the assembling assembly. The storage assembly is connected into the assembling assembly and connected to the upper portion of the storage assembly. The storage assembly comprises a placing plate, a moving groove, a moving block, a screw rod b, a guide rod, a positioning clamping plate and a protective pad; the placing plate is provided with a moving groove which is connected with a moving block through a screw b and guide rods, the moving block is in threaded fit with the screw b, sliding through holes are formed in the two sides of the moving block respectively and correspond to the guide rods in a one-to-one mode, and a positioning clamping plate is connected to the upper portion of the moving block and connected with a protective pad. The connecting assembly is connected to the assembling assembly. According to the automobile design clay model manufacturing tool, through the storage assembly, the problem of carrying and protecting a formed automobile design clay model is solved conveniently, and the practicability of the automobile design clay model manufacturing tool is further improved.

The invention belongs to the technical field of artificial intelligence image generation, and particularly relates to an automobile design demand analysis and visual feature generation method based on a large model. Comprising the following steps: step 1, constructing an automobile modeling design semantic ontology model; 2, designing an ontology-driven large language model reasoning mechanism; and step 3, generating a structured modeling feature keyword and visually outputting the structured modeling feature keyword. According to the invention, a set of complete automobile modeling design semantic ontology model is realized, and the model scientifically constructs a rigorous mapping relation between user demand dimensions (gender, age, usage scene, style preference and price interval) and modeling feature dimensions (automobile type, color, aspect ratio, front and rear overhang length, automobile window ratio and shoulder line height). And a concept system and a logic rule are clearly defined. And the technical bottlenecks of inaccurate user demand understanding, imperfect semantic mapping mechanism, high natural language interaction threshold and the like in the existing automobile modeling design system are overcome.

The application relates to an electric drive axle device and a car; the electric drive axle device comprises a differential, a planetary speed regulation mechanism, a first driving part and a second driving part, the planetary speed regulation mechanism is fixedly connected with a power input end of the differential through a gear shifting mechanism, the first driving part is transmissionally connected with the planetary speed regulation mechanism through a first multi-stage gear reduction part, and the second driving part is transmissionally connected with the power input end of the differential in sequence through a second multi-stage gear reduction part and the gear shifting mechanism; the electric drive axle device and the car are characterized in that a new power transmission path is designed, power can be uninterruptedly provided through the second driving part during gear shifting, the differential can always ensure power output during the gear shifting process, the efficiency of the system is improved, and the overall structure is simple and compact, the overall size is small, and the arrangement and lightweight design of the whole vehicle are more favorable.

The utility model discloses an automobile motor acoustic bag with an adjustable locking hasp, which relates to the technical field of automobile design and comprises an upper protective layer, a lower protective layer arranged below the upper protective layer, a leather sheath shell fixedly connected to the bottom of the lower protective layer, an inner groove arranged at one end of the leather sheath shell, a leather sheath inner strip slidably connected to the inside of the inner groove, and a locking hasp arranged in the leather sheath inner strip. The other end of the leather sheath shell is fixedly connected with a first hasp, one end of a leather sheath inner strip is slidably connected into the inner groove, a plurality of fixing holes are formed in the surface of the leather sheath inner strip, the other end of the leather sheath inner strip is fixedly connected with a second hasp, the side wall of the leather sheath shell is connected with a fixing nut in a penetrating mode, and the side wall of the fixing nut is in threaded connection with a nut. The technical problems that the size of a vehicle battery is changed along with the change of a vehicle model, so that an acoustic bag cannot be better fixed on the battery, the acoustic bag cannot play a role, and the physical and psychological health of a driver is affected by noise are solved.

The present application relates to the technical field of automobile color coating, and specifically discloses an automobile color coating and a preparation method thereof. From top to bottom, the automobile color coating comprises a varnish layer, a photonic crystal film and a frosted metal layer in sequence; the photonic crystal film comprises a micro-nano structure; the micro-nano structure comprises at least one of a multilayer film structure, a nano-particle structure, a two-dimensional hole structure, a three-dimensional hole structure and a nano-pillar array structure; and the multilayer film structure is formed by alternately stacking 15-30 layers of sheet materials. The automobile color coating does not rely on light absorption to present color, but generates color through light reflection and interference, so that the absorption of solar energy is greatly reduced. This helps to reduce the temperature of the automobile surface, reduce the load of the air conditioning system in the vehicle, and further improve the energy efficiency of the vehicle, reduce fuel consumption or electric energy consumption. These advantages not only improve the environmental performance of the automobile, but also increase the comfort of driving, and meet the comprehensive requirements of modern automobile design for beauty, practicality and environmental protection.

The embodiment of the invention discloses an automobile part performance simulation analysis method and related equipment, and the method comprises the steps: building a database, and obtaining the field design parameters of an automobile part from a demand end; the field design parameters are sent to performance simulation analysis software of a simulation department for performance simulation analysis, field simulation analysis result data are obtained, the field simulation analysis result data are compared with data in a database, and a simulation analysis result report is obtained. According to the invention, a simple and easy-to-operate automobile part performance simulation analysis interface can be presented to the demand side, and the demand side can call professional performance simulation analysis software to carry out simulation analysis, so that the technical threshold and the economic threshold of simulation analysis of automobile parts can be reduced; the coverage rate of simulation analysis in the processes of designing, manufacturing, adjusting and the like of the automobile is increased, the development cost of the automobile technology is reduced, the automobile better meeting the individualized requirement is produced, and the benign development of the automobile industry is promoted. The invention is widely applied to the technical field of automobiles.

The invention discloses a high-density pole pair number three-wire four-phase wave permanent magnet synchronous motor and a design method, and belongs to the technical field of design and manufacturing of motors and new energy automobiles. Three-wire or four-wire transmission is adopted to transmit four-phase sine wave or square wave current with the phase difference of 90 degrees; the motor mainly takes four-phase alternating current as a power supply, the phase difference is 90 degrees, the power density is higher, as the four-phase waveforms are in pairwise symmetry, only two phases are used for current transmission, a common end can be provided, three wires can be used, and for a corresponding winding with the phase difference of 180 degrees, only a circuit needs to be reversely connected; for the power transmission rotary transformer, only two groups of windings are needed; compared with a traditional three-phase wave, the energy density and the torque stability are improved, more pole pairs can be arranged in the same space through a specific winding wiring mode, the number of stress area sites is increased, the power density is provided, and the torque stability is improved; the technical scheme is also applicable to the field of generators.

The application provides a kind of verification method and device for rack position of whole vehicle model, it is related to automobile design technical field, the method is by obtaining the current time parameter of whole vehicle model, the transfer function of whole vehicle model and preset target deviation, and according to the current time parameter to determine the first rack position, according to the transfer function of whole vehicle model and the current steering wheel torque in current time parameter, determine the second rack position, finally can be based on the first rack position, second rack position and preset target deviation to the rack position of whole vehicle model is verified.Because whole vehicle model is built on test bench, the rack position of whole vehicle model can be verified in the stage of test bench test, avoid the disassembly debugging of whole vehicle model after verification fails, can achieve the effect of reducing verification time.

The invention relates to the field of automobile design, in particular to an automatic testing method, device and equipment and a storage medium, and aims at achieving automatic testing of automobile parts. The method comprises the following steps: reading a demand document, and determining a test demand corresponding to the demand document; generating a test case corresponding to the test demand according to a test case template; inputting the test case into a large language model; calling an interface function corresponding to the test case from a pre-created interface function database through the large language model, and generating a test program corresponding to the test requirement; and executing a corresponding test task through the test program.

The application discloses a gear shifter design method and device based on a Hall effect, equipment, a storage medium and an apparatus, relates to the field of automobile design and manufacturing, and comprises the following steps: obtaining an existing gear shifter and performing a test, and collecting magnetic field intensity data of each gear position in the gear shifter; establishing a finite element model of the gear shifter and performing finite element simulation to obtain the magnetic field intensity data of each gear position in the finite element model; comparing the obtained gear shifter magnetic field intensity data with the finite element model magnetic field intensity data to verify the simulation reliability of the finite element model; based on a neural network model and the finite element model whose simulation reliability has passed the verification, optimizing gear shifter design parameters to determine optimal gear shifter design parameters. The application can improve the research and development efficiency of the gear shifter and effectively ensure the working accuracy of the gear shifter based on the Hall effect.

The utility model belongs to the technical field of automobile design, and particularly relates to a lap joint structure of a front automobile body water tank cross beam, which comprises an integrated support cross beam, and lap joint components are arranged at two ends of the integrated support cross beam; the lap joint assembly comprises a lap joint part and a detachable connecting piece. The lap joint part is arranged at the end part of the integrated supporting cross beam; the number of the front shock absorber mounting assemblies is two, lap joint grooves are formed in the two front shock absorber mounting assemblies, lap joint parts at the two ends of the integrated supporting cross beam are clamped into the lap joint grooves of the two front shock absorber mounting assemblies respectively, and the lap joint parts are detachably connected into the lap joint grooves through detachable connecting pieces; according to the scheme, the lap joint assembly of the integrated supporting cross beam can be rapidly positioned conveniently, and the lap joint strength is high.

The invention discloses a whole vehicle framework main size design method and device based on a fixed size group and an adjustable size group, and relates to the technical field of automobile design. The method comprises the following steps: defining a fixed size group and an adjustable size group in a whole vehicle framework; performing dimension chain decomposition on the parts needing dimension chain decomposition in the fixed dimension group, and determining the numerical value of each decomposition dimension based on design requirements; fixed size group parameters are locked, so that the forecabin hard point, the floor structure and the man-machine reference point have universality; dynamically adjusting parameters of the adjustable size group based on vehicle type positioning; and according to the fixed size group parameters and the adjustable size group parameters of the designed parts, through virtual verification and mule car verification, all size chain assignments conform to geometric size compatibility, performance and functional targets, and a main size design result is output. According to the method, the cost can be reduced, and the platform expansibility is good.