CN118260852A - Vehicle model generation method, system, equipment and storage medium - Google Patents
Vehicle model generation method, system, equipment and storage medium Download PDFInfo
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Abstract
The application discloses a vehicle model generation method, a system, equipment and a storage medium, wherein the vehicle model generation method comprises the following steps: outputting a first vehicle design model according to user requirements; generating a vehicle system component based on the first vehicle design model; and simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model. According to the vehicle model generation method, the vehicle model is designed according to the user requirements, and further the vehicle system component is further generated when the vehicle model meets the preset standard, so that the final vehicle design model is generated according to the vehicle system component and the vehicle design model, a series of problems caused by complexity of the traditional design method are solved, and the aims of reducing cost and enhancing efficiency are achieved.
Description
Technical Field
The present application relates generally to the field of automobile design, and in particular, to a method, a system, an apparatus, and a storage medium for generating a vehicle model.
Background
Along with the development of technology, automobiles gradually walk into electronization and intellectualization, and the emerging electronic technology replaces the original pure electromechanical liquid control system of the automobiles to meet the increasingly strict requirements on automobile safety, emission and energy conservation, so that the electrification and intellectualization degree of automobile industry products are higher and higher, the magnitude of product complexity is continuously increased, and the development process of the automobile industry products is more and more complex.
The whole process from project starting, modeling and scheme design, product design, process development, test and trial production to mass production of the automobile at the present stage has a development period of about 3-5 years, extremely high time cost and resource investment, long development time and lack of complete process model penetration.
Disclosure of Invention
In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a vehicle model generation method, system, apparatus, and storage medium.
In one aspect, the present application provides a vehicle model generating method, including:
Outputting a first vehicle design model according to user requirements;
generating a vehicle system component based on the first vehicle design model;
And simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In some embodiments, the first vehicle design model meets a vehicle performance requirement, the first vehicle performance requirement being determined in accordance with the user demand.
In some embodiments, the outputting the first vehicle design model according to the user demand includes:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
In some embodiments, the first vehicle design model includes at least one or more of the following information: automobile architecture, model parameters, model parameter values.
In some embodiments, and based on user demand, determining vehicle performance includes:
Inputting the user demand into a pre-established demand analysis model to determine the vehicle performance.
In some embodiments, deriving a vehicle design model based on the user demand includes:
dividing the automobile architecture into a plurality of subsystems according to categories;
modeling the subsystems respectively to obtain a plurality of subsystem models;
Inputting the subsystem models based on the model parameters and the model parameter values to obtain simulation parameters;
and outputting the subsystem models when the simulation parameters meet a preset threshold value so as to obtain the vehicle design model.
In a second aspect, the present application provides a vehicle model generation system, the system comprising:
the acquisition module is used for outputting a first vehicle design model according to the requirements of a user;
A generation module for generating a vehicle system component based on the first vehicle design model;
And the simulation module is used for simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In some embodiments, further comprising:
the first vehicle design model meets a vehicle performance requirement, the first vehicle performance requirement being determined based on the user demand.
In some embodiments, the outputting the first vehicle design model according to the user demand includes:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
In a third aspect, the present application provides an electronic device, including a processor, where the processor is connected to a memory, and the processor executes the computer-readable instructions to implement the method for generating a vehicle model according to any one of the embodiments of the present application.
In a fourth aspect, the present application provides a model generation system comprising the electronic device of the above aspect.
In a fifth aspect, the present application provides a computer readable storage medium storing computer readable instructions, wherein the computer readable instructions when executed by a processor implement a vehicle model generating method according to any one of the embodiments of the present application.
In summary, the vehicle model generation method, the system, the device and the storage medium are based on the invention, the vehicle model is designed according to the user requirements, and further the vehicle system component is further generated when the vehicle model meets the preset standard, so that the final vehicle design model is generated according to the vehicle system component and the vehicle design model, the series of problems caused by the complexity of the traditional design method are solved, and the aims of reducing cost and enhancing efficiency are also achieved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of a method for generating a vehicle model according to an embodiment of the present application;
FIG. 2 is a block diagram of a vehicle model generation system according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The application can relate to the field of automobile design generally, solves a series of problems caused by complexity of a traditional design method, and achieves the purposes of cost reduction and efficiency enhancement.
The method is realized Based on a Model system, namely MBSE (Model-Based SYSTEMS ENGINEERING) which is a method for analyzing system functions and system architecture through system requirements so as to determine a required system and a target. On the other hand, the important function of system engineering is to decouple each component part of the system in the design of the top layer, define each functional boundary, and be beneficial to the most parts only focusing on the design of each sub-department as much as possible.
Referring to fig. 1 in detail, the present application provides a vehicle model generating method, including:
s101, outputting a first vehicle design model according to user requirements.
Specifically, the user requirements are obtained according to the user portraits, market analysis, bid product analysis and other modes, so that the vehicle model is designed according to the user requirements, and a first vehicle design model is output.
In some embodiments, the first vehicle design model meets a vehicle performance requirement, the first vehicle performance requirement being determined based on the user demand.
Specifically, after the user requirements are obtained according to the modes of user portraits, market analysis, bid product analysis and the like, the acceleration performance of the vehicle with the performance target of 0 to 100 km/h is determined to be kept within 5 seconds, so that the vehicle is designed according to the requirements of the acceleration performance.
The outputting the first vehicle design model according to the user demand includes:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
Specifically, a vehicle is subjected to model design through a system according to the requirements of a user, so that a vehicle design model is obtained. And simulating the vehicle model to obtain a simulation result, and comparing whether the simulation result meets the requirement of determining the vehicle performance based on the user. And if the simulation result meets the vehicle performance, outputting the vehicle design model, and taking the vehicle model as a first vehicle design model. For example, the vehicle design model is simulated, so that the acceleration time of the vehicle speed reaching 100 km/h from 0 to obtain the simulation result is 4.9 seconds, and when the acceleration time of 4.9 seconds is less than 5 seconds required by the user, the vehicle design model can be output while the vehicle model is used as the first vehicle design model if the target vehicle performance is met.
And if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, the vehicle model is simulated to obtain a simulation structure, and whether the simulation result meets the requirements of the user or not is compared to determine the vehicle performance. If the simulation result does not meet the vehicle performance, the vehicle design model is redesigned, the vehicle design model is output until the vehicle design model meets the user requirement, and meanwhile the vehicle model is used as a first vehicle design model. Specifically, the vehicle design model is simulated, so that the acceleration time of the vehicle speed reaching 100 km/h from 0 to 8 seconds is obtained as a simulation result, the vehicle performance determined based on the user requirements is not met, and then the vehicle is designed and optimized again according to the simulation result and the vehicle performance required by the user until the vehicle performance is met, and the vehicle design model is output and is the first vehicle design model.
In some embodiments, the first vehicle design model includes at least one or more of the following information: automobile architecture, model parameters, model parameter values.
Specifically, the first vehicle design model includes: automobile architecture, model parameters, model parameter values. Automotive architecture is a complex of the same engineering solution and modular manufacturing process. Model parameters are virtual components that affect vehicle performance, such as torque, rotational speed. The model parameter value is set torque and rotating speed data. Meanwhile, the vehicle design model is built according to the automobile architecture and model parameters by adopting a Modelica language, and the definition of an interface of the vehicle design model accords with the FMI standard. FMI (Functional Mock-up Interface) is an open standard for model interaction and sharing, aimed at facilitating model interoperability between different simulation tools. The FMI standard defines a set of interfaces and specifications so that different simulation tools can exchange and share models in a unified manner, thereby enabling multiplexing of models in different environments.
In some embodiments, and based on user demand, determining vehicle performance includes:
Inputting the user demand into a pre-established demand analysis model to determine the vehicle performance.
Specifically, the user demand is modeled and analyzed by adopting SysML language, and a demand analysis model is obtained. And determining the performance target according to the demand analysis model. The SysML language is a standard for Object management organization (Object ManagementGroup, OMG), and SysML (systems Modeling Language) is expanded based on the UML (Unified ModelingLanguage) language to meet the requirements of system modeling.
In some embodiments, the obtaining a vehicle design model according to the user requirement includes:
dividing the automobile architecture into a plurality of subsystems according to categories;
modeling the subsystems respectively to obtain a plurality of subsystem models;
Inputting the subsystem models based on the model parameters and the model parameter values to obtain simulation parameters;
and outputting the subsystem models when the simulation parameters meet a preset threshold value so as to obtain the vehicle design model.
Specifically, by way of example, the automotive architecture is divided into a plurality of subsystems according to categories. The subsystem divides the automobile architecture through the preset type of the automobile subsystem, and the preset types of the subsystems of different automobile architectures are different.
Modeling the resulting subsystem to obtain a plurality of subsystem models. And setting corresponding parameters of the subsystem models according to the model parameters and the model parameter values respectively. And then respectively carrying out simulation test on the subsystem models to obtain simulation parameters of the subsystems. Judging whether the simulation parameters of the subsystems meet a preset threshold value, outputting a plurality of subsystem models when the simulation parameters of the subsystems meet the preset threshold value, and integrating the subsystem models according to the automobile architecture to obtain a vehicle design model.
Judging whether a preset threshold is met or not according to the multiple subsystem simulation parameters, optimizing parameters of the corresponding subsystem models according to the subsystem simulation parameters when the preset threshold is not met, obtaining multiple optimized subsystem models, performing simulation test again to obtain the multiple optimized subsystem models, judging whether the multiple optimized subsystem simulation parameters meet the preset threshold or not, outputting the multiple optimized subsystem models if the threshold is met, and repeating the steps if the threshold is not met.
S102, generating a vehicle system component based on the first vehicle design model.
Specifically, a vehicle system component is generated from a first vehicle model, the vehicle system component including components that are configured to form a vehicle component, such as: batteries, motors, chassis, etc.
S103, simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
Specifically, the simulation is performed according to the vehicle system component and the first vehicle design model, and the simulation can be performed in a semi-physical simulation mode, so that a simulation result is obtained. The simulation results of the vehicle model and the simulation results of the vehicle system components and the first vehicle design model can also be optimized to obtain optimized system component models, such as, for example, battery models, motor models, chassis models. The resulting system components are then replaced to thereby arrive at a final vehicle design model. The final vehicle model may be physically designed to yield an automotive entity.
In summary, the vehicle model generating method is based on the vehicle model design through the user requirements, and further the vehicle system components are further generated when the vehicle model meets the preset standard, so that the final vehicle design model is generated according to the vehicle system components and the vehicle design model, a series of problems caused by complexity of the traditional design method are solved, and the aims of reducing cost and enhancing efficiency are achieved.
With further reference to FIG. 2, a schematic diagram of a vehicle model generation system 2000 is shown, according to one embodiment of the present application, the system comprising: an acquisition module 210, a generation module 220, and a simulation module 230.
An obtaining module 210, configured to output a first vehicle design model according to a user requirement;
A generation module 220 for generating vehicle system components based on the first vehicle design model;
The simulation module 230 is configured to simulate the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In some embodiments, further comprising:
the first vehicle design model meets a vehicle performance requirement, the first vehicle performance requirement being determined based on the user demand.
In some embodiments, the outputting the first vehicle design model according to the user demand includes:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
In summary, the vehicle model generating system designs the vehicle model according to the user requirements, and further generates vehicle system components when the vehicle model meets the preset standard, so that a final vehicle design model is generated according to the vehicle system components and the vehicle design model, a series of problems caused by complexity of a traditional design method are solved, and the aims of reducing cost and enhancing efficiency are achieved.
The division of the modules or units mentioned in the above detailed description is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation instructions of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, blocks shown in two separate connections may in fact be performed substantially in parallel, or they may sometimes be performed in the reverse order, depending on the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in the present application is not limited to the specific combinations of technical features described above, but also covers other technical features which may be formed by any combination of the technical features described above or their equivalents without departing from the spirit of the disclosure. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
In one embodiment, an electronic device is provided, the internal structure of which may be as shown in FIG. 3. The electronic device comprises a processor, a memory, a communication interface, a display screen and an input device connected by a system bus, while the processor and the memory are also connected or indirectly connected. Wherein the processor of the electronic device is configured to provide computing and control capabilities. The memory of the electronic device includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The communication interface of the electronic device is used for communicating with an external terminal in a wired or wireless manner, and the wireless manner can be realized through WIFI, an operator network, near Field Communication (NFC) or other technologies. The computer program is executed by a processor to implement a vehicle model generation method. The display screen of the electronic equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the electronic equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the electronic equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 3 is merely a block diagram of a portion of the structure associated with the present inventive arrangements and is not limiting of the electronic device to which the present inventive arrangements are applied, and that a particular electronic device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, the vehicle model generation system provided by the present application may be implemented in the form of a computer program that is executable on an electronic device as shown in fig. 3. The memory of the electronic device may store various program modules that make up the vehicle model generation system.
At least one instruction, at least one program, a code set, or a set of instructions stored in a memory in the electronic device, the instruction, the program, the code set, or the set of instructions being loaded and executed by the processor to implement the vehicle model generation method according to any one of the embodiments described above, for example, implement a vehicle model generation method, including: outputting a first vehicle design model according to user requirements; generating a vehicle system component based on the first vehicle design model; and simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In summary, based on the electronic equipment provided by the invention, the vehicle model is designed according to the user requirements, and further, when the vehicle model meets the preset standard, the vehicle system component is further generated, so that the final vehicle design model is generated according to the vehicle system component and the vehicle design model, the series of problems caused by the complexity of the traditional design method are solved, and the aims of reducing cost and enhancing efficiency are also achieved.
In one embodiment, a model generation system is also provided, which includes the above-described electronic device.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of: outputting a first vehicle design model according to user requirements; generating a vehicle system component based on the first vehicle design model; and simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In one embodiment, a computer program product is provided, which when executed by a processor of an electronic device, causes the electronic device to perform the steps of: outputting a first vehicle design model according to user requirements; generating a vehicle system component based on the first vehicle design model; and simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
In summary, based on the computer readable storage medium of the present invention, the vehicle model is designed according to the user's requirements, and further, when the vehicle model meets the preset standard, the vehicle system component is further generated, so that the final vehicle design model is generated according to the vehicle system component and the vehicle design model, the series of problems caused by the complexity of the traditional design method are solved, and the purposes of cost reduction and efficiency increase are also achieved.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of a computer program, which may be stored on a non-transitory computer readable storage medium, that when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as static random access memory (Static Random Access Memory, SRAM), dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features of each of the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the invention. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.
The present invention has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of the invention, which variations and modifications are within the scope of the invention as claimed.
Claims (12)
1. A vehicle model generation method, characterized by comprising:
Outputting a first vehicle design model according to user requirements;
generating a vehicle system component based on the first vehicle design model;
And simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
2. The vehicle model generation method according to claim 1, characterized in that the first vehicle design model satisfies a vehicle performance requirement, the first vehicle performance requirement being determined according to the user demand.
3. The vehicle model generation method according to claim 2, wherein the outputting the first vehicle design model according to the user demand includes:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
4. The vehicle model generation method according to claim 3, characterized in that the first vehicle design model includes at least one or more of the following information: automobile architecture, model parameters, model parameter values.
5. A vehicle model generation method according to claim 3, wherein determining vehicle performance based on user demand comprises:
Inputting the user demand into a pre-established demand analysis model to determine the vehicle performance.
6. The vehicle model generation method according to claim 3, wherein the obtaining the vehicle design model according to the user's demand includes:
dividing the automobile architecture into a plurality of subsystems according to categories;
modeling the subsystems respectively to obtain a plurality of subsystem models;
Inputting the subsystem models based on the model parameters and the model parameter values to obtain simulation parameters;
and outputting the subsystem models when the simulation parameters meet a preset threshold value so as to obtain the vehicle design model.
7. A vehicle model generation system, characterized by comprising:
the acquisition module is used for outputting a first vehicle design model according to the requirements of a user;
A generation module for generating a vehicle system component based on the first vehicle design model;
And the simulation module is used for simulating the first vehicle design model and the vehicle system component to generate a final vehicle design model.
8. The vehicle model generation system according to claim 7, characterized by further comprising:
the first vehicle design model meets a vehicle performance requirement, the first vehicle performance requirement being determined based on the user demand.
9. The vehicle model generation system of claim 8, wherein the outputting the first vehicle design model based on the user demand comprises:
obtaining a vehicle design model according to the requirements of a user;
outputting a first vehicle design model which meets the vehicle performance requirement if the vehicle design model obtained according to the user requirement meets the first vehicle design model;
and if the vehicle design model obtained according to the user requirements does not meet the vehicle performance requirements, obtaining the vehicle design model again based on the user requirements until a first vehicle design model meeting the vehicle performance requirements is obtained.
10. An electronic device comprising a processor coupled to a memory, the processor, when executing the computer-readable instructions, implementing the vehicle model generation method of any one of claims 1 to 6.
11. A model generation system comprising the electronic device of claim 10.
12. A computer-readable storage medium storing computer-readable instructions that, when executed by a processor, implement the vehicle model generation method according to any one of claims 1 to 6.
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| CN118260852A true CN118260852A (en) | 2024-06-28 |
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