CN114254853A - Method, system, equipment and storage medium for reducing weight of whole vehicle - Google Patents

Method, system, equipment and storage medium for reducing weight of whole vehicle Download PDF

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Publication number
CN114254853A
CN114254853A CN202111259809.2A CN202111259809A CN114254853A CN 114254853 A CN114254853 A CN 114254853A CN 202111259809 A CN202111259809 A CN 202111259809A CN 114254853 A CN114254853 A CN 114254853A
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Prior art keywords
weight
whole vehicle
target
bom
finished automobile
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Inventor
曹岩
张永昌
杨雪峰
王超
徐剑波
姜海鸥
李轩
王志萍
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FAW Bestune Car Co Ltd
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FAW Bestune Car Co Ltd
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Priority to CN202111259809.2A priority Critical patent/CN114254853A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/10—Office automation; Time management
    • G06Q10/103—Workflow collaboration or project management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/04—Manufacturing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

Abstract

The invention discloses a method, a system, equipment and a storage medium for reducing the weight of a whole vehicle. Firstly, designing the target weight of a part according to the decomposition result of the finished automobile weight target; secondly, forming a first finished automobile target weight convolution calculation result according to the target weight of the part, and designing a primary finished automobile weight reduction scheme; thirdly, representing parts needed by the calculation of the weight of the whole vehicle with clear calculation identification on the BOM parts, calculating the weight information of the whole vehicle according to the identification convolution, and establishing a weight reduction scheme again after comparing with the weight target of the whole vehicle; and fourthly, calculating parts needed to be used for the weight of the whole vehicle, calculating the weight information of the whole vehicle according to the identification convolution, and establishing a final weight reduction scheme after comparing the weight information with the weight target of the whole vehicle. The method can be used for forwardly disassembling the weight of the whole vehicle, forming the estimated weight, the calculated weight and the measured weight along with the change of the maturity of parts, carrying out convolution calculation on different stages of a project by using the BOM to obtain the functional module, the system and the weight of the whole vehicle, and establishing a light weight scheme of the whole vehicle.

Description

Method, system, equipment and storage medium for reducing weight of whole vehicle
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to a method, a system, equipment and a storage medium for reducing weight of a whole automobile.
Background
The development of the light weight of the automobile has a profound effect on the improvement of the comprehensive performance of the automobile, and on the premise of ensuring various performance indexes of the automobile and the rigidity and the strength of the whole automobile, the reduction of the service quality of the automobile can not only greatly improve the dynamic property and the fuel economy of the automobile, but also improve the braking property, the comfort and the safety of the automobile and meet the requirement of environmental protection, so that the light weight of the automobile not only can improve the comprehensive performance of the automobile and ensure that the automobile has market competitiveness, but also meets the increasingly severe emission regulation limit requirement and the environmental protection requirement of oil consumption. Nowadays, almost all automobile enterprises take automobile lightweight as an important index for new development, weight management is an important work in the automobile lightweight process, originally weight management which is not taken into consideration by people in the traditional automobile development becomes an important link in the automobile development process, and an advanced weight management concept and method are introduced to adapt to and meet the modern automobile development process.
Disclosure of Invention
The invention provides a method, a system, equipment and a storage medium for reducing the weight of a whole vehicle, which are used for carrying out weight convolution calculation by utilizing an engineering BOM (bill of material), and can carry out forward target weight disassembly on the weight of the whole vehicle based on a standardized whole vehicle system, subsystem and functional module and send the weight of the whole vehicle to professional system responsible persons. After the part responsible person designs based on the part target weight, the estimated weight, the calculated weight and the actual measured weight are formed along with the part maturity change, and the BOM is utilized to carry out convolution calculation at different stages of the project to obtain the functional module, the system and the finished automobile weight. And (5) defining difference points after comparison with the target weight of the whole vehicle, and establishing a light weight scheme of the whole vehicle.
The technical scheme of the invention is described as follows by combining the attached drawings:
in a first aspect, an embodiment of the present invention provides a method for reducing weight of a whole vehicle, including the following steps:
firstly, decomposing a finished automobile weight target through a finished automobile structure template 1-1, a product structure template 1-2 and a finished automobile weight target decomposition module 1-3, and designing the target weight of a part according to the decomposition result of the finished automobile weight target;
step two, forming a first finished automobile target weight convolution calculation result according to the target weight of the part through the part basic information base 1-4, and designing a preliminary finished automobile weight reduction scheme according to the arrangement of the finished automobile weight target and the convolution calculation result;
step three, releasing design weight information after the target weight of the part is designed, and acquiring all parts applied to the whole vehicle through an engineering BOM management module 1-5; the method comprises the steps that a complete vehicle weight calculation mark is represented on a BOM part, parts required to be used for calculating the complete vehicle weight are determined, complete vehicle weight information is calculated according to mark convolution, and a weight reduction scheme is established again after the complete vehicle weight information is compared with a complete vehicle weight target;
and step four, after the trial-manufacture tooling parts are submitted, weighing to obtain the actually measured weight of the parts, acquiring the serial number information of all the parts applied to the whole vehicle through the BOM, identifying the parts which are required to be used for calculating the weight of the whole vehicle definitely by using the whole vehicle weight calculation identification on the BOM parts, calculating the weight information of the whole vehicle according to the identification convolution, and establishing a final weight reduction scheme after comparing the weight information with the target weight of the whole vehicle.
Further, the preliminary whole vehicle weight reduction scheme in the step two is as follows: if some systems can not reach the weight target, other system targets need to be adjusted, or a weight reduction scheme needs to be searched for to balance, and the weight target of the whole vehicle needs to be adjusted according to a balance result.
Further, the re-establishing of the weight reduction scheme in the third step is as follows: in the design stage, an assembly or part weight target is specified in a design task book, a supplier is required to carry out corresponding design according to the part weight requirement, after the initial edition data is finished, weight correction is carried out, the trial-manufacturing stage can be carried out if the weight target is met, if the weight target is not met, the initial edition data needs to be modified until the weight target is met, or the trial-manufacturing stage is carried out after the approval of project group review; identifying the adjustable component weight for the project group requires adjusting the component weight target.
Further, the establishment of the final weight reduction scheme in the fourth step is as follows: in the trial production stage, weight check is required according to trial production number, trial production data can be issued when the weight target is met, and trial production of parts is carried out; if the weight target is not met, the trial-production data is required to be modified until the weight target is met, or the trial-production data is issued after the approval of the project group review; for a weight approved by the project group, the part weight target needs to be adjusted; weighing the trial sample after the trial sample is produced, and if the trial sample does not meet the weight target of the part, modifying trial data until the weight target is met, or entering a production stage after being approved by a project group; identifying the adjustable component weight for the project group requires adjusting the component weight target.
In a second aspect, an embodiment of the present invention further provides a system for reducing weight of a whole vehicle, where the method for reducing weight of the whole vehicle is implemented by a weight management system, and includes:
the whole vehicle structure template 1-1 is used for subdividing a whole vehicle into a system, a subsystem, a functional module and parts layer by layer, is a standardized template formed by subdividing and disassembling the whole vehicle structure layer by an enterprise according to the structure and the function, can form the decomposition standardization of a whole vehicle module, and forms the transverse comparison big data of the weight of the whole vehicle;
the product structure template 1-2 is used for selecting systems, subsystems, functional modules and parts which are suitable for the vehicle product from the whole vehicle structure template according to the definition of the specific vehicle product to form the structure template of the specific vehicle; classifying each part in the BOM of the whole vehicle, and determining a function module, a subsystem and a system to which each part belongs;
the finished automobile weight target decomposition module 1-3 is used for a finished automobile designer to obtain target weights of a system, a subsystem, a functional module and parts according to finished automobile weight target decomposition, convolution calculation of the designed weight and the actual weight of the finished automobile according to the BOM of the finished automobile in different project stages, comparison of target values and calculated values of different levels of the product structure template 1-2 to form difference point data, and formulation of a scheme for supporting weight reduction of the finished automobile
The part basic information base 1-4 is used for recording the basic information and the design information of the part, including the number, the name, the calculated weight and the actually measured weight of the part;
and the engineering BOM management module 1-5 is used for determining the relationship between the structure and the quantity of the whole vehicle and parts.
Further, the product structure template 1-2 is generated through a whole vehicle weight convolution calculation module 1-6; the system comprises a BOM (bill of materials) system, a subsystem and a functional module, wherein the BOM system is used for further determining part information participating in the calculation of the weight of the whole vehicle on the basis of the BOM system and identifying to form a BOM of the weight of the whole vehicle; and aiming at a brand new vehicle system, synchronizing the latest effective whole vehicle structure template 1-1, and screening and identifying systems, subsystems and functional modules applied under the vehicle system according to the data of the whole vehicle structure template 1-1, so as to form a product structure template 1-2.
In a third aspect, an embodiment of the present invention further provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the method for reducing the weight of the entire vehicle according to any one of the embodiments of the present invention.
In a fourth aspect, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements any one of the methods for reducing weight of a whole vehicle according to the embodiments of the present invention.
The invention has the beneficial effects that:
the invention can realize the standardized target decomposition of the whole vehicle weight, and calculate the whole vehicle weight by convolution in due time along with the continuous change of the part maturity and the project, thereby being beneficial to establishing a heavy database of enterprise parts, systems and the whole vehicle, improving the management granularity of the whole vehicle weight and saving the human input cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a flowchart of a method for reducing weight of a finished vehicle in a first embodiment of the present invention;
fig. 2 is a flowchart of a system for reducing weight of a finished vehicle in the second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device in a third embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Fig. 1 is a flowchart of a method for reducing a weight of a finished vehicle according to an embodiment of the present invention, where the method may be executed by a system for reducing a weight of a finished vehicle according to an embodiment of the present invention, and the system may be implemented in a software and/or hardware manner, as shown in fig. 1, the method specifically includes the following steps:
firstly, decomposing a finished automobile weight target through a finished automobile structure template 1-1, a product structure template 1-2 and a finished automobile weight target decomposition module 1-3, and designing the target weight of a part according to the decomposition result of the finished automobile weight target;
the whole vehicle structure template 1-1 comprises a whole vehicle, a system, subsystems, functional modules and parts; the whole vehicle is divided into a 9-system, the 9-system comprises 85 subsystems, and the subsystems comprise 450 functional modules.
For example: the weight target of the whole vehicle is 1700KG, the maximum value allowed by the rule is 1660Kg, and the weight deviation allowed by the rule is +/-3%, so that the maximum weight allowed by the actual measurement of the whole vehicle is 1709.8Kg, the weight targets of the 9 large systems are respectively set to the target medium grain, then the weight targets of the subsystems are set according to the system targets, and the weight targets of the functional modules are continuously set.
The whole vehicle weight target is a whole vehicle target obtained comprehensively according to actual measurement, oil consumption and light weight measurement and calculation of a target vehicle in a target market, and is set by a whole vehicle department of a company, and a designer takes the whole vehicle target as input.
Step two, forming a first finished automobile target weight convolution calculation result according to the target weight of the part through the part basic information base 1-4, and designing a preliminary finished automobile weight reduction scheme according to the arrangement of the finished automobile weight target and the convolution calculation result;
the primary scheme for reducing the weight of the whole vehicle is as follows: if some systems fail to achieve the weight goal, weight reduction solutions are sought from other systems to balance, or materials are selected for weight reduction, steel can be changed to aluminum or structural weight reduction.
Step three, releasing design weight information after the target weight of the part is designed, and acquiring all parts applied to the whole vehicle through an engineering BOM management module 1-5; the method comprises the steps that a complete vehicle weight calculation mark is represented on a BOM part, parts required to be used for calculating the complete vehicle weight are determined, complete vehicle weight information is calculated according to mark convolution, and a weight reduction scheme is established again after the complete vehicle weight information is compared with a complete vehicle weight target;
the weight reduction scheme established again in the third step is as follows: in the design stage, a part firstly needs a designer to confirm a design scheme, an assembly or part weight target is specified in a design task book, a supplier is required to carry out corresponding design according to the part weight requirement, after the initial edition data is finished, weight correction is carried out, the trial-manufacturing stage can be carried out when the weight target is met, if the weight target is not met, the initial edition data needs to be modified until the weight target is met, or the trial-manufacturing stage is carried out after the approval of project group review. Identifying the adjustable part weight for the project group requires adjusting the part weight target.
And step four, after the trial-manufacture tooling parts are submitted, weighing to obtain the actually measured weight of the parts, acquiring the serial number information of all the parts applied to the whole vehicle through the BOM, identifying the parts which are required to be used for calculating the weight of the whole vehicle definitely by using the whole vehicle weight calculation identification on the BOM parts, calculating the weight information of the whole vehicle according to the identification convolution, comparing the weight information with the target weight of the whole vehicle, and establishing a weight management scheme after comparison.
The final weight reduction scheme established in the fourth step is as follows: in the trial production stage, weight check is required to be carried out on trial production numbers, trial production data can be issued when the weight target is met, and trial production of parts is carried out. If the weight target is not met, the trial production data needs to be modified until the weight target is met, or the trial production data is issued after the approval of the project group review. For a weight approved by the project team, the part weight target needs to be adjusted. And weighing the trial sample after the trial sample is produced, and if the trial sample does not meet the weight target of the part, modifying the trial data until the weight target is met, or entering a production stage after the trial sample is approved by a project group. For a project team, identifying the adjustable part weight requires adjusting the part weight target.
Example two
Fig. 2 is a schematic structural diagram of a system for reducing weight of a whole vehicle according to a second embodiment of the present invention, where the system may be implemented in a software and/or hardware manner, and the apparatus may be integrated into any device providing a function of reducing weight of the whole vehicle, as shown in fig. 2.
The whole vehicle structure template 1-1 is used for subdividing a whole vehicle into a system, a subsystem, a functional module and parts layer by layer, is a standardized template formed by subdividing and disassembling the whole vehicle structure layer by an enterprise according to the structure and the function, can form the decomposition standardization of a whole vehicle module, and forms the transverse comparison big data of the weight of the whole vehicle;
the product structure template 1-2 is used for selecting systems, subsystems, functional modules and parts which are suitable for the vehicle product from the whole vehicle structure template according to the definition of the specific vehicle product to form the structure template of the specific vehicle; classifying each part in the BOM of the whole vehicle, and determining a function module, a subsystem and a system to which each part belongs;
the finished automobile weight target decomposition is carried out based on the product structure template 1-2, a market part in the early stage can have a deep investigation on the market to collect a large amount of information for project establishment, then the project selects the finished automobile performance and function according to the establishment evaluation, and the market research selects a plurality of competitive product automobiles as reference and benchmarks, and the finished automobile weight target is determined by combining the existing resources of the market research. And decomposing the weight target layer by layer according to the product structure template, and determining the weight targets of the system layer, the subsystem layer and the function module layer. The profession preliminarily predicts the estimated weight of the part according to the weight target of the actual design scheme and the functional module, fills in basic information of the part, and gradually improves information such as the design weight, the actual measurement weight and the like of the part along with improvement of the maturity of the part design.
The finished automobile weight target decomposition module 1-3 is used for a finished automobile designer to obtain target weights of a system, a subsystem, a functional module and parts according to finished automobile weight target decomposition, convolution calculation of the designed weight of the finished automobile and the actual weight of the finished automobile according to the BOM of the finished automobile in different project stages, comparison of target values and calculated values of different levels of the product structure template 1-2, formation of difference point data and support formulation of a finished automobile weight reduction scheme.
The part basic information base 1-4 is used for recording the basic information and the design information of the part, including the number, the name, the calculated weight and the actually measured weight of the part;
and the engineering BOM management module 1-5 is used for determining the relationship between the structure and the quantity of the whole vehicle and parts.
Maintaining the weight calculation identification information of the whole vehicle based on the engineering EBOM management modules 1-5, and performing convolution calculation of the weight of the whole vehicle at different stages along with the maturity of parts and the progress of a project, wherein the weight calculation of the whole vehicle adopts different weights of the parts due to different development periods of the parts. When the design weight of the part is not available, estimated weight memorability accounting can be adopted, the weights of the functional module, the subsystem, the system and the whole vehicle at all levels can be obtained through the engineering EBOM management modules 1-5, and the system with larger difference can be obtained after the target weight is compared, so that the light weight scheme can be established and reviewed.
The product structure template 1-2 is generated by a whole vehicle weight convolution calculation module 1-6; the system comprises a BOM (bill of materials) system, a subsystem and a functional module, wherein the BOM system is used for further determining part information participating in the calculation of the weight of the whole vehicle on the basis of the BOM system and identifying to form a BOM of the weight of the whole vehicle; and aiming at a brand new vehicle system, synchronizing the latest effective whole vehicle structure template 1-1, and screening and identifying systems, subsystems and functional modules applied under the vehicle system according to the data of the whole vehicle structure template 1-1, thereby forming a product structure template 1-2.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a computer device in a third embodiment of the present invention. FIG. 3 illustrates a block diagram of an exemplary computer device 12 suitable for use in implementing embodiments of the present invention. The computer device 12 shown in FIG. 3 is only one example and should not impose any limitations on the scope of use or functionality of embodiments of the present invention.
As shown in FIG. 3, computer device 12 is in the form of a general purpose computing device. The components of computer device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
Bus 18 represents one or more of any of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. By way of example, such architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, micro-channel architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Computer device 12 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by computer device 12 and includes both volatile and nonvolatile media, removable and non-removable media.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory 32. Computer device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 3, and commonly referred to as a "hard drive"). Although not shown in FIG. 3, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. Memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of the described embodiments of the invention.
Computer device 12 may also communicate with one or more external devices 14 (e.g., keyboard, pointing device, display 24, etc.), with one or more devices that enable a user to interact with computer device 12, and/or with any devices (e.g., network card, modem, etc.) that enable computer device 12 to communicate with one or more other computing devices. Such communication may be through an input/output (I/O) interface 22. In the computer device 12 of the present embodiment, the display 24 is not provided as a separate body but is embedded in the mirror surface, and when the display surface of the display 24 is not displayed, the display surface of the display 24 and the mirror surface are visually integrated. Also, computer device 12 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via network adapter 20. As shown, network adapter 20 communicates with the other modules of computer device 12 via bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in connection with computer device 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The processing unit 16 executes various functional applications and data processing by executing programs stored in the system memory 28, for example, to implement a method for reducing the weight of the entire vehicle provided by the embodiment of the present invention.
Example four
The fourth embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for noise reduction of a whole vehicle as provided in all the embodiments of the present invention of the present application.
Any combination of one or more computer-readable media may be employed. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in more detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (8)

1. A method for reducing weight of a whole vehicle is characterized by comprising the following steps:
firstly, decomposing a finished automobile weight target through a finished automobile structure template (1-1), a product structure template (1-2) and a finished automobile weight target decomposition module (1-3), and designing the target weight of a part according to the decomposition result of the finished automobile weight target;
forming a first finished automobile target weight convolution calculation result according to the target weight of the part through the part basic information base (1-4), and designing a primary finished automobile weight reduction scheme according to the arrangement of the finished automobile weight target and the convolution calculation result;
step three, releasing design weight information after the target weight of the part is designed, and acquiring all parts applied to the whole vehicle through an engineering BOM management module (1-5); the method comprises the steps that a part required to be used for clearly calculating the weight of the whole vehicle is represented on a BOM part by a whole vehicle weight calculation identifier, the weight information of the whole vehicle is calculated according to an identifier convolution, and a weight reduction scheme is established again after the weight information is compared with a weight target of the whole vehicle;
weighing after the formal tooling part is submitted to obtain the actually measured weight of the part, acquiring the serial number information of all parts applied to the whole vehicle through the BOM, identifying the part which is required to be used for calculating the weight of the whole vehicle by the whole vehicle weight calculation identification on the BOM part, calculating the weight information of the whole vehicle according to the identification convolution, and establishing a final weight reduction scheme after comparing the weight information with the weight target of the whole vehicle.
2. The method for reducing the weight of the whole vehicle according to claim 1, wherein the preliminary scheme for reducing the weight of the whole vehicle in the step two is as follows: if some systems can not achieve the weight target, the road signs of other systems need to be adjusted or a weight reduction scheme needs to be searched for to balance, and the weight target of the whole vehicle is adjusted according to a balance result.
3. The method for reducing the weight of the whole vehicle according to claim 1, wherein the step three for establishing the weight reduction scheme again comprises the following steps: in the design stage, an assembly or part weight target is specified in a design task book, a supplier is required to carry out corresponding design according to the part weight requirement, after the initial edition data is finished, weight correction is carried out, the trial-manufacturing stage can be carried out if the weight target is met, if the weight target is not met, the initial edition data needs to be modified until the weight target is met, or the trial-manufacturing stage is carried out after the approval of project group review; identifying the adjustable component weight for the project group requires adjusting the component weight target.
4. The method for reducing the weight of the whole vehicle according to claim 1, wherein the step four for establishing the final weight reduction scheme is as follows: in the trial production stage, weight check is required according to trial production number, trial production data can be issued when the weight target is met, and trial production of parts is carried out; if the weight target is not met, the trial-production data is required to be modified until the weight target is met, or the trial-production data is issued after the approval of the project group review; for a weight approved by the project group, the part weight target needs to be adjusted; weighing the trial sample after the trial sample is produced, and if the trial sample does not meet the weight target of the part, modifying the trial data until the weight target is met, or entering a production stage after being approved by a project group; identifying the adjustable component weight for the project group requires adjusting the component weight target.
5. A system for reducing the weight of a whole vehicle is used for realizing a method for reducing the weight of the whole vehicle, and is characterized in that the system is realized through a weight management system and comprises the following components:
the whole vehicle structure template (1-1) is used for subdividing a whole vehicle into a system, a subsystem, a functional module and a part layer by layer, is a standardized template formed by subdividing and disassembling the whole vehicle layer by layer according to the structure and the function of the whole vehicle structure by an enterprise, can form the decomposition standardization of the whole vehicle module, and forms the transverse comparison big data of the weight of the whole vehicle;
the product structure template (1-2) is used for selecting systems, subsystems, functional modules and parts which are suitable for the vehicle product from the whole vehicle structure template according to the definition of the specific vehicle product to form the structure template of the specific vehicle; classifying each part in the BOM of the whole vehicle, and determining a function module, a subsystem and a system to which each part belongs;
the finished automobile weight target decomposition module (1-3) is used for a finished automobile designer to obtain target weights of a system, a subsystem, a functional module and parts according to finished automobile weight target decomposition, convolution calculation of the designed weight of the finished automobile and the actual weight of the finished automobile according to the BOM of the finished automobile in different project stages, comparison of target values and calculated values of different levels of the product structure template (1-2) to form difference point data, and formulation of a scheme for supporting weight reduction of the finished automobile
The part basic information base (1-4) is used for recording the basic information and the design information of the part, including the serial number, the name, the calculated weight and the actually measured weight of the part;
and the engineering BOM management module (1-5) is used for determining the relationship between the structure and the quantity of the whole vehicle and the parts.
6. The system for reducing the weight of the whole vehicle according to claim 5, wherein the product structure template (1-2) is generated by a whole vehicle weight convolution calculation module (1-6); the system comprises a BOM (bill of materials) system, a subsystem and a functional module, wherein the BOM system is used for further determining part information participating in the calculation of the weight of the whole vehicle on the basis of the BOM system and identifying to form a BOM of the weight of the whole vehicle; and aiming at a brand new vehicle system, synchronizing the latest effective whole vehicle structure template (1-1), and screening and identifying systems, subsystems and functional modules applied under the vehicle system according to the data of the whole vehicle structure template (1-1), thereby forming a product structure template (1-2).
7. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the program, implements a method for vehicle weight reduction as claimed in any one of claims 1 to 4.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a method for reducing weight of a vehicle according to any one of claims 1 to 4.
CN202111259809.2A 2021-10-28 2021-10-28 Method, system, equipment and storage medium for reducing weight of whole vehicle Pending CN114254853A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114935703A (en) * 2022-07-26 2022-08-23 成都市克莱微波科技有限公司 Automatic testing method, device and system for frequency conversion assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114935703A (en) * 2022-07-26 2022-08-23 成都市克莱微波科技有限公司 Automatic testing method, device and system for frequency conversion assembly
CN114935703B (en) * 2022-07-26 2022-11-29 成都市克莱微波科技有限公司 Automatic testing method, device and system for frequency conversion assembly

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