CN113610591A - System, method and medium for constructing automobile weight competitive product comparison - Google Patents
System, method and medium for constructing automobile weight competitive product comparison Download PDFInfo
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Abstract
The invention discloses a system, a method and a medium for constructing automobile weight competitive product comparison, wherein the whole automobile structure is hierarchically classified based on the structure or the system of the automobile according to a total score method, and a whole automobile weight hierarchical structure tree is established; encoding each structure or system of vehicles represented by each level of the hierarchy; constructing a competitive product database system according to the established hierarchical structure tree and the corresponding codes; inputting the data of the competitive product disassembly or the data of the commercial database after the structure is adjusted into the competitive product database; and searching and identifying in a competitive product database according to the name or the characteristics of the competitive product vehicle type, and finding one or more groups of vehicle types with similar characteristics to compare weight data. By utilizing the method, a set of unified weight view based on the whole vehicle and the competitive products vehicle is established, so that the unification and the relevance of the hierarchical structures of the basic vehicle and the competitive products vehicle are realized, and the storage, the query and the comparison of the weight data of the competitive products are more conveniently realized.
Description
Technical Field
The invention belongs to the technical field of light weight of a whole automobile, and particularly relates to a system, a method and a medium for constructing automobile weight competitive product comparison.
Background
In the development process of the whole passenger vehicle, the weight property of the whole vehicle is an important basic performance. The competitive bidding of the whole vehicle weight is an important basis for setting and decomposing the whole vehicle weight target. The competitive bidding of the whole vehicle weight mainly adopts two modes, namely: and (4) disassembling the competitive products vehicle, wherein before the weight target of the basic vehicle is confirmed, the competitive products vehicle is disassembled to the granularity which is the same as that of the basic vehicle type, and the weight of the competitive products vehicle is compared one by one. The disassembly mode is generally long in period, compared part data are single, and only the disassembled vehicle is subjected to; in a second mode, one or more competitive vehicle weight of the base vehicle is found in a database for comparing the weight by purchasing a database of competitive vehicle types, such as the A2MAC1 database. When the weight comparison is performed by using parts of basic vehicle types, because the data structure classification of the A2MAC1 vehicle type is different from the structure of the basic vehicle, corresponding parts need to be searched one by one in the A2MAC1 database for weight comparison, and the weight comparison work is complicated.
Disclosure of Invention
The invention aims to establish a set of competitive product vehicle type weight system, based on a whole vehicle weight view, realizes unified management on the existing production, research or competitive product disassembly data, simultaneously identifies and codes the data of A2MAC1, maintains the competitive product data of A2MAC1 in the competitive product vehicle weight system, and realizes the comparison of the weight of a basic vehicle type and the weight of a competitive product vehicle.
The technical scheme of the method for establishing the comparison of the automobile weight competition products for realizing one purpose of the invention is as follows: carrying out hierarchical classification on the whole vehicle structure based on the vehicle structure or system according to a total classification method, and establishing a whole vehicle weight hierarchical structure tree; encoding each structure or system of vehicles represented by each level of the hierarchy; constructing a competitive product database system according to the established hierarchical structure tree and the corresponding codes; inputting the data of the competitive product disassembly or the data of the commercial database after the structure is adjusted into the competitive product database; and searching and identifying in a competitive product database according to the name or the characteristics of the competitive product vehicle type, and finding one or more groups of vehicle types with similar characteristics to compare weight data.
The further technical scheme comprises the following steps: and adjusting the weight structure of the commercial database, adjusting parts in the commercial database to a fourth level corresponding to the hierarchical structure of the weight hierarchical structure tree, and inputting the parts into the competitive product database, so that the weight data structure corresponding to the commercial database is aligned and matched with the weight hierarchical structure tree one by one.
The further technical scheme comprises the following steps: the code has uniqueness, and the unique identity of the structure or the system of the vehicle is identified for software, so that the matching and identification needs can be carried out.
The further technical scheme comprises the following steps: the weight hierarchy structure tree comprises at least four hierarchies, wherein the first hierarchy is a weight view tree structure root node and is used for storing the quality data of the whole vehicle; the second level is a system level and stores the weight data of each system corresponding to the whole vehicle; the third level is an assembly level, corresponding to the weight of the sub-assembly; the fourth level is a functional grouping and the following component level, which is the basic unit constituting the assembly level; the relationship between the levels is that the first level is composed of a plurality of second levels, and the second level is composed of all the third levels.
The further technical scheme comprises the following steps: the third level is mainly defined according to the weight decomposition granularity, and the granularity is determined along with the improvement of the weight decomposition capacity and the requirement on the control precision of the weight pipe, so that the accurate decomposition and comparison of the weight are realized.
The technical scheme for constructing the automobile weight competition product comparison system for realizing the second aim of the invention is as follows: the system comprises a hierarchical division module: the system is used for carrying out hierarchical division on the whole vehicle weight data; the information input module: the weight data of the competitive products vehicle is input; the coding module: for encoding each structure or system; commercial bid database adjustment module: the weight structure of the commercial database is adjusted, so that the weight data structure corresponding to the commercial database is aligned and matched with the weight hierarchical structure tree one by one.
The further technical scheme comprises the following steps: the device also comprises a searching module: the method is used for searching according to the characteristics of the vehicle types of the competitive products, finding out vehicle types with similar characteristics and comparing the heavy data.
The further technical scheme comprises the following steps: the system also comprises an import and export module: the system is used for exporting the disassembly data of the competitive products vehicles in the database into a spreadsheet or other formats; and importing the spreadsheet or other forms of disassembled data into the database.
The further technical scheme comprises the following steps: the information entry module also comprises a query matching module which is used for rapidly querying the weight data to be imported and matching and entering the weight data with the disassembled data items of the competitive products vehicles in the database.
A non-transitory computer readable storage medium for carrying out a third object of the present invention, having a computer program stored thereon, wherein the computer program, when executed by a processor, carries out the steps of the method for comparing weight bids of any one of the vehicles according to the present invention.
By utilizing the method, a set of unified weight view based on the whole vehicle and the competitive products vehicle is established, so that the unification and the relevance of the hierarchical structures of the basic vehicle and the competitive products vehicle are realized, and the storage, the query and the comparison of the weight data of the competitive products are more conveniently realized.
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FIG. 1 is a schematic diagram of hierarchical relationship partitioning according to the present invention;
fig. 2 is a schematic view of the weight view structure according to the present invention.
Detailed Description
The following detailed description is provided for the purpose of explaining the claimed embodiments of the present invention so that those skilled in the art can understand the claims. The scope of the invention is not limited to the following specific implementation configurations. It is intended that the scope of the invention be determined by those skilled in the art from the following detailed description, which includes claims that are directed to this invention.
The passenger car race product weight comparison system in the embodiment mainly comprises the following information or functions: basic information, a weight view structure of the competitive product vehicle and matching and comparing functions of the competitive product vehicle type. The basic information is shown in table 1 and comprises basic information of the competitive product vehicle, such as size information, power assembly information, vehicle type grade, form and driving form information; the weight view structure of the competitive product vehicle is a standard template formed by four levels and used for storing weight data of each level of the competitive product vehicle.
Table 1 competitive products vehicle type information table
The following steps will be described.
Step 1, defining a weight view of the whole vehicle. Firstly, establishing a weight hierarchical structure tree of the whole vehicle, wherein the first level is a root node of a weight view tree structure and storing the quality data of the whole vehicle; the second level is a system level, the root node is divided into a plurality of sub-nodes, and weight data of the whole vehicle corresponding to each system are stored; the third level is an assembly level, the system level is further subdivided into key assembly levels, and the weight of the sub-assemblies is correspondingly reduced; the fourth level is a functional grouping and the following component level, which is the basic unit constituting the assembly level; the relationship between the levels is that the first level is composed of a plurality of second levels, and the second level is composed of all the third levels. The third level comprises air inlet, air exhaust, cooling, supply, suspension, steering, braking, a body-in-white, an opening part, an outer decoration, an inner decoration, an air conditioner, constraint and a mechanism, and is mainly defined according to weight decomposition granularity, the granularity is thinner and thinner along with the improvement of weight decomposition capacity and the requirement on weight management precision, and accurate decomposition and comparison of weight are realized.
And 2, establishing a finished automobile weight view, which consists of the four levels in the step 1, wherein each host factory of the first level, the second level and the third level is different, but comprises a fourth level function group and the following units, realizing classification management of the fourth level through setting the first level, the second level and the third level, establishing a structure tree of the finished automobile in a main classification mode as shown in the figure 1, fixing the relation of the first level, the second level and the third level, and then realizing the relation tree of the whole structure through establishing a parent-child relation of the third level and the fourth level.
And 3, coding the structure of the whole vehicle weight view. And encoding definition is carried out on a first level, a second level and a third level. Coding example as shown in table 2, the first level: auxiliary code WEI000, the first three letters are the first three letters of "Weight" and capital, the last 3 digits are "0"; the first three letters of the code of the second level are still 'WEI', the rear 3 bits are expanded according to the sequence of 26 English letters, namely A00 and B00 … W00 respectively, and 6-bit codes are formed; the third level is a sub-level of the second level, and similarly, the first three bits are unchanged, and the last three bits are sequentially increased by 1; the fourth level is a function code which is a code predefined by a host factory and is a BOM basic code forming a finished automobile part list, and the codes are continuously used in a finished automobile weight view; finally, in order to be considered with the unification and the identification of enterprise standards, four characters of VNW-are added in front of the auxiliary codes to form codes of the whole vehicle weight view, and the codes are unique identities identified by software and used for matching and identifying requirements of background programs.
TABLE 2 complete vehicle weight view structure and coding example
And compiling the codes of each level according to the rule in the step 3 to ensure the uniqueness of the codes.
Step 4, data classification and management:
and 4.1, managing the disassembly data of the competitive product vehicle. When the competitive product is disassembled, managing the disassembling data according to the established weight view structure, inputting the data of the competitive product disassembly into the weight view, inputting upwards from the bottom layer, filling the weight data of the part into a fourth level, automatically accumulating the third level data by the corresponding fourth level data, automatically accumulating the second level weight data by the corresponding third level data, and automatically accumulating the first level data by all second levels. The specific operation is as follows:
and creating a weight view template of the competitive product vehicle type, wherein the template comprises the basic information of the vehicle type in the table 1 and the weight view of the competitive product vehicle, and forming the weight view template of the competitive product vehicle. The method comprises the steps of enabling the disassembly data of a competitive product vehicle to correspond to the relation of a weight view, enabling the type of the competitive product vehicle in a competitive product weight comparison system of a passenger vehicle to be manually input according to the weight view or be integrally input, or adopting a code matching mode to be input/output, conducting Vlookup matching according to the code after an EXCEL template is output, matching the weight data, and then directly inputting the data into a competitive product database system, so that the input of the data is realized, and the establishment of a competitive product weight database is efficiently realized.
And 4.2, classifying and managing the external competitive product database. The method comprises the steps of taking a finished automobile weight view as a template, adjusting a data structure of an A2MAC1 database, wherein the A2MAC1 is a weight database for a professional dismantling company to dismantle automobiles, the competitive product database provides a bookmark function, establishing a corresponding weight view structure (containing names and auxiliary code information in a table 2) in A2MAC1 data based on the weight view structure, adjusting the weight view in the A2MAC1, adjusting parts in the A2MAC1 to a fourth level corresponding to the weight view, and forming a bookmark of the finished automobile weight view of all the A2MAC1 parts, wherein the weight data structure corresponding to the bookmark is matched with the weight view structure one by one, and other competitive product automobile weight data structures in the A2MAC1 can correspond based on the bookmark. Similarly, the data of the A2MAC1 corresponds to the relation of the weight view, the data with the structure adjusted by the A2MAC1 can be manually input according to the weight view or can be integrally input, or can be input/output by adopting a code matching mode, the weight data is matched according to the code after the EXCEL template is output, and then the data is directly input into a competition product database system, so that the input of the data is realized, and the establishment of the competition product weight database is efficiently realized.
And 5, searching and comparing competitive product vehicle types. Selecting data of one or more required competitive product vehicle types from a competitive product weight database, wherein the weight data of the vehicle types are displayed layer by layer according to a weight view structure hierarchy, the vehicle type data of a plurality of competitive products can be displayed in parallel, and related vehicle type comparison data can also be exported according to an Excel format; the competitive product weight database system also supports the feature search function of competitive product vehicle types, and based on the basic information in the table 1, one group or multiple groups of vehicle types with similar features are found for comparison of weight data through single feature or multi-feature combined recognition of basic information of length, width, height, wheelbase, level, car driving, driving form and gearbox form.
Claims (10)
1. A method for constructing automobile weight competitive product comparison is characterized in that the whole automobile structure is classified hierarchically based on the structure or system of the automobile according to a total score method, and a whole automobile weight hierarchical structure tree is established; encoding each structure or system of vehicles represented by each level of the hierarchy; constructing a competitive product database system according to the established hierarchical structure tree and the corresponding codes; inputting the data of the competitive product disassembly or the data of the commercial database after the structure is adjusted into the competitive product database; and searching and identifying in a competitive product database according to the name or the characteristics of the competitive product vehicle type, and finding one or more groups of vehicle types with similar characteristics to compare weight data.
2. The method as claimed in claim 1, further comprising adjusting the weight structure of the commercial database, adjusting the parts in the commercial database to a fourth level corresponding to the hierarchical structure of the weight hierarchical tree and entering the parts into the competitive products database, so that the weight data structures corresponding to the commercial database and the weight hierarchical tree are aligned and matched one by one.
3. The method of claim 1, wherein the code is unique to identify the unique identity of the vehicle structure or system for software to match, identify the need.
4. The method for constructing the comparison of the vehicle weight competitive products according to claim 1, wherein the weight hierarchical structure tree comprises at least four levels, the first level is a root node of a weight view tree structure and stores the quality data of the entire vehicle; the second level is a system level and stores the weight data of each system corresponding to the whole vehicle; the third level is an assembly level, corresponding to the weight of the sub-assembly; the fourth level is a functional grouping and the following component level, which is the basic unit constituting the assembly level; the relationship between the levels is that the first level is composed of a plurality of second levels, and the second level is composed of all the third levels.
5. The method as claimed in claim 4, wherein the third level is defined based on weight resolution granularity, and the granularity is determined according to the improvement of weight resolution capability and the requirement of weight control precision, so as to realize accurate weight resolution and comparison.
6. A system for constructing a comparison of vehicle weight bids, comprising a hierarchical partitioning module: the system is used for carrying out hierarchical division on the whole vehicle weight data; the information input module: the weight data of the competitive products vehicle is input; the coding module: for encoding each structure or system; commercial bid database adjustment module: the weight structure of the commercial database is adjusted, so that the weight data structure corresponding to the commercial database is aligned and matched with the weight hierarchical structure tree one by one.
7. The system for constructing a comparison between vehicle weight bids as recited in claim 6, further comprising a search module: the method is used for searching according to the characteristics of the vehicle types of the competitive products, finding out vehicle types with similar characteristics and comparing the heavy data.
8. The system for constructing a comparison between vehicle weight bids as recited in claim 6, further comprising an import-export module: the system is used for exporting the disassembly data of the competitive products vehicles in the database into a spreadsheet or other formats; and importing the spreadsheet or other forms of disassembled data into the database.
9. The system for constructing the comparison between the automobile weight competitive products according to claim 6, wherein the information entry module further comprises a query matching module which is used for rapidly querying the weight data needing to be imported and matching and entering the weight data with the disassembled data items of the competitive products in the database.
10. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the steps of a method of weight bid comparison for a vehicle according to any one of claims 1 to 5.
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