CN109840732B - Checking system for integrity of whole vehicle configurable bill of materials under free selection and matching condition - Google Patents
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Abstract
The embodiment of the invention provides a checking system for the integrity of a whole vehicle configurable bill of materials under a free matching condition, which can analyze the integrity of multi-platform and multi-project configurable BOMs and sub-BOMs of sub-projects thereof by utilizing the principle that a specific functional position of the whole vehicle is only related to a limited configuration family and the principle that any specific functional position is the largest possible and only has one material number, and can interactively check and approve the BOMs of mass data according to the engineering vehicle types, the configuration relation and the rule matrix, thereby solving the checking difficulty of the integrity of the mass BOMs under the free matching condition, enabling the checking of the integrity of the configurable BOMs under the free matching condition to be possible, and improving the checking and approving efficiency and accuracy of the BOMs under the free matching condition.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a checking system for the integrity of a whole vehicle configurable bill of materials under a free selection condition.
Background
BOM (Bill of materials) refers to a list of all materials contained in a product. To meet the needs of market diversification, the same product may be located in different sub-projects of different platforms, and each platform may include a plurality of sub-projects, and each sub-project is configured differently.
Engineering changes typically occur to quickly respond to market and quality improvements, etc., requiring the BOM to be updated. Under various dynamic change conditions, how to quickly check the integrity of each configuration bill of materials of each sub BOM under the BOM in real time is a necessary precondition for manufacturing enterprises to realize quick processing and quick and accurate production according to orders of diversified demands of customers.
The large-scale customized service mode is a mainstream service mode of the current automobile industry, and the prior art can support configurable BOM integrity verification of tens to hundreds of sales vehicle types which are preset in a large-scale customized service scene. Along with the enhancement of the personalized demands of customers, the mode is gradually replaced by a more advanced business mode of freely selecting and matching Free Option for whole vehicle configuration, under the Free Option business mode, one engineering vehicle type can generate massive sales vehicle types, for example, one engineering vehicle type generally comprises hundreds of full configuration feature groups, if 50 full configuration features which are Free of mutual constraint relation and can be freely selected are defined for the engineering vehicle type in order to fully meet the personalized demands of customers, the engineering vehicle type can theoretically generate 50 sales vehicle types of 2, and millions of sales vehicle types can be generated for the engineering vehicle type in view of the fact that certain constraint relation exists between certain full configuration features.
In the condition of the Free selection of the whole vehicle configuration, the prior art cannot carry out integrity check on the mass configurable BOM in the Free Option service mode.
Disclosure of Invention
The invention aims to provide a checking system for the integrity of a whole vehicle configurable bill of materials under a free selection condition, which is used for carrying out interactive checking and approval on the integrity of a mass BOM and generating corresponding results for processing by staff.
The invention provides a checking system for the integrity of a whole vehicle configurable bill of materials under a free selection condition, which comprises a server, wherein the server is connected with at least one management system, and the checking system comprises the following components:
the management system comprises a full-function position description library, a full-configuration feature basic library, engineering vehicle types, configuration relation and rule matrixes and a configurable bill of materials BOM table;
the server comprises a receiving module, a pre-detection module and a verification module;
the receiving module is used for receiving the full-function position description library, the engineering vehicle type and configuration relation and rule matrix and the configurable BOM table from the management system;
the pre-checking module is used for generating a function position use set according to the configurable BOM table, and checking the integrity of the function position use set according to a product basic function position description library included in the full function position description library; wherein the product basic function position description library is used for describing the basic function position of the product necessary for the product;
And the verification module selects the engineering vehicle types one by one according to the engineering vehicle types, the configuration relation and the rule matrix, and verifies the integrity of the configurable BOM of each selected engineering vehicle type by utilizing the principle that a specific functional position of the whole vehicle is only related to a limited configuration family and any specific functional position has the maximum possibility of only one material number, thereby verifying the integrity of the configurable BOM table.
Preferably, the full function location description library comprises at least one product basic function location description library, and specific function locations in each product basic function location description library respectively correspond to at least one data row in the configurable BOM table.
Preferably, the engineering vehicle type and configuration relation and rule matrix is used for describing relation and rule between each engineering vehicle type and related configuration characteristics;
the engineering vehicle type and configuration relation and rule matrix comprises full configuration features, full configuration feature groups, full configuration feature group categories, engineering vehicle types, vehicle type configuration relation constraint type and full configuration feature applicability identification;
the full configuration feature family and the full configuration feature are contained in a full configuration feature base, the full configuration feature base is a configuration feature base for describing all products, and all configuration features of any product have corresponding feature family codes and configuration feature codes in the full configuration feature base.
Preferably, the configurable BOM table comprises at least one product configurable BOM table, the product configurable BOM table comprises at least one BOM row, and each BOM row comprises a part code, a function position description code and a material configuration relation constraint.
Preferably, the material configuration relation constraint formula is a logic formula of a model code and a feature code of the engineering vehicle model or a logic formula of a model code of the engineering vehicle model.
Preferably, the pre-checking module is configured to perform the following steps when checking the integrity of the functional location use set according to a product basic functional location description library included in the full functional location description library:
comparing the function position use set with the corresponding product basic function position library, and if a difference part exists, carrying out alarm analysis;
dividing the configurable BOM table into a plurality of sub-configurable bill of materials according to the functional positions, and if a plurality of rows exist in a certain sub-configurable bill of materials, and the material configuration relation constraint type in any BOM row only has engineering vehicle types, directly reporting errors.
Preferably, the verification module is configured to execute the following steps when verifying the integrity of the BOM of each selected engineering vehicle model:
Under the selected engineering vehicle type, selecting one functional position from the functional position use set, and acquiring the sub-configurable bill of materials of the selected functional position from a configurable BOM table;
obtaining a final feature family subset of the selected sub-configurable bill of materials according to a principle that a specific functional position of the whole vehicle is only related to a limited configuration family, the material configuration relation constraint type of all BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, configuration relation and rule matrix;
and checking the integrity of the selected sub-configurable bill of materials according to the principle that the final feature family subset and any specific function position have the largest possible and only one bill of materials.
Preferably, the verification module is configured to execute the following steps when according to a principle that a specific functional position of the whole vehicle is related to a limited configuration family, the material configuration relation constraint relation of all the BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, the configuration relation and the rule matrix:
according to the principle that a specific functional position of the whole vehicle is only related to a limited configuration family, acquiring a material configuration relation constraint formula of all BOM rows in the selected sub-configurable bill of materials, and extracting all non-repeated configuration feature codes in the acquired material configuration relation constraint formula to form a feature set;
Finding out a feature group subset corresponding to the feature set from the engineering vehicle type, the configuration relation and the rule matrix, and adding configuration feature codes which exist in the feature group subset but do not exist in the feature set into the feature set;
finding out a vehicle type configuration relation constraint formula corresponding to each configuration feature code in the feature set in the engineering vehicle type, configuration relation and rule matrix, determining all non-repeated configuration feature codes in the found vehicle type configuration relation constraint formula, adding the non-repeated configuration feature codes into the feature set, and repeating the steps until no new configuration feature codes in the feature set are increased, and obtaining the final feature family subset of the selected sub-configurable bill of materials.
Preferably, the verification module is configured to perform the following steps when verifying the integrity of the selected sub-configurable bill of materials according to the principle that any specific functional location is most likely to have and only has one bill of materials:
dividing the final feature family subset into a necessary feature family subset and an optional feature family subset;
selecting 1 configuration feature code from each feature group of the necessary feature group subset, selecting 1 or 0 configuration feature codes from the selectable feature group subset to form a configuration combination related to a sub-bill of materials, and performing permutation and combination to obtain a configuration combination set related to the most possible sub-bill of materials configuration list;
Selecting configuration combinations related to the sub-bill of materials one by one from the configuration combination set related to the most possible sub-bill of materials, wherein each configuration feature code in the selected configuration combinations related to the sub-bill of materials has one or more corresponding constraint formulas of vehicle type configuration relations in engineering vehicle types, configuration relations and rule matrixes;
if at least one vehicle type configuration relation constraint type corresponding to each configuration feature code in the selected configuration combinations related to the sub-bill of materials can be matched with the configuration combination related to the sub-bill of materials currently selected, the selected configuration combination related to the sub-bill of materials is a configuration combination related to an effective sub-bill of materials;
if none of the vehicle type configuration relation constraint relation corresponding to any one of the selected configuration feature codes related to the sub-bill of materials can be matched with the currently selected configuration combination related to the sub-bill of materials, the selected configuration combination related to the sub-bill of materials is an invalid configuration combination related to the sub-bill of materials;
determining all configuration combinations related to the effective sub-bill of materials as a configuration combination set related to the effective sub-bill of materials;
And according to the principle that any specific functional position is most likely to have only one material number, under the selected engineering vehicle type, carrying out logic relationship analysis and integrity comparison on the material configuration relation constraint type in the selected sub-configurable bill of materials and the configuration combination set related to the effective sub-bill of materials, and checking the integrity of the selected sub-configurable bill of materials.
Preferably, the verification module is configured to perform the following steps when verifying the integrity of the configurable BOM table:
under the selected engineering vehicle type, circularly traversing all functional positions of the whole vehicle configurable bill of materials to obtain integrity comparison results of sub configurable bill of materials corresponding to all functional positions, and finally summarizing all integrity comparison results into an integrity comparison result of the selected configurable bill of materials of the engineering vehicle type;
and in the whole vehicle configuration combination, obtaining the comparison result of the integrality of the configurable bill of materials of all engineering vehicle types, and integrating all the results into the comparison result of the integrality of the configurable bill of materials of the whole vehicle under the condition of freely selecting and configuring.
The invention provides a checking system for the integrity of a whole vehicle configurable bill of materials under the condition of free selection, which comprises a server, wherein the server is connected with at least one management system, and the checking system comprises the following components: the management system comprises a full-function position description library, a full-configuration feature basic library, engineering vehicle types, configuration relation and rule matrixes and a configurable bill of materials BOM table; the server comprises a receiving module, a pre-detection module and a verification module; the receiving module is used for receiving the full-function position description library, the engineering vehicle type and configuration relation and rule matrix and the configurable BOM table from the management system; the pre-checking module is used for generating a function position use set according to the configurable BOM table, and checking the integrity of the function position use set according to a product basic function position description library included in the full function position description library; wherein the product basic function position description library is used for describing the basic function position of the product necessary for the product; and the verification module selects the engineering vehicle types one by one according to the engineering vehicle types, the configuration relation and the rule matrix, and verifies the integrity of the configurable BOM of each selected engineering vehicle type by utilizing the principle that a specific functional position of the whole vehicle is only related to a limited configuration family and any specific functional position has the maximum possibility of only one material number, thereby verifying the integrity of the configurable BOM table. The technical scheme provided by the application can carry out integrity analysis on the configurable BOM of multiple platforms and multiple items and the sub BOM of the sub-items thereof, can carry out interactive inspection and approval on the BOM of mass data according to the engineering vehicle type, the configuration relation and the rule matrix, solves the inspection difficulty of the mass BOM integrity under the free selection condition, enables the configurable BOM integrity inspection under the free selection condition to be possible, and improves the efficiency and accuracy of the BOM integrity inspection and approval under the free selection condition.
Drawings
FIG. 1 is a hardware architecture diagram of a verification system for integrity of a complete vehicle configurable bill of materials under discretionary conditions in accordance with the present invention;
fig. 2 is a functional block diagram of a server in a checking system for integrity of a complete vehicle configurable bill of materials under a discretionary condition according to the present invention.
Detailed Description
The technical solutions according to 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, in which like reference numerals denote like elements. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the prior art, when checking a bill of materials, only configurable BOM integrity check of tens to hundreds of sales vehicle types which are preset in a large-scale custom service scene is supported, and the large-scale custom service mode is a main stream service mode of the current automobile industry. With the enhancement of the personalized demands of customers, the mode is gradually replaced by a more advanced Free Option service mode, and a large number of sales vehicle types can be generated by one engineering vehicle type under the Free Option service mode, for example, in general, one engineering vehicle type comprises hundreds of full configuration feature families, if 50 freely selectable full configuration features without mutual constraint relation are defined for the engineering vehicle type in order to fully meet the personalized demands of customers, the sales vehicle type which can be generated by the engineering vehicle type is 2 th power, and in consideration of the condition that certain constraint relation exists among certain full configuration features, millions of sales vehicle types can be generated by the engineering vehicle type in practice, so that the configurable BOM of millions of sales vehicle types under the Free Option service mode can not be checked for integrity by utilizing patent ZL 201010200484.6.
Fig. 1 is a hardware architecture diagram of a checking system for integrity of a whole vehicle configurable bill of materials under the freely selected condition of the present invention. The checking system for the integrity of the whole vehicle configurable bill of materials under the free selection condition comprises a display 10, a network 11, a server 12 and a database 14. The display 10 has a user interface for a user to perform a related operation of checking the whole vehicle configurable bill of materials under the free selection condition, and displays corresponding information.
The display 10 is connected to a server 12. The server 12 includes a plurality of functional modules for receiving information from the management system 1, implementing verification of the whole vehicle configurable bill of materials under the freely selected condition, and generating corresponding prompt information to inform the user to enable the user to perform subsequent processing. The database 14 is used to store information used or generated during the verification of the vehicle configurable bill of materials under the discretionary conditions. The database 14 is connected to the server 12. Although in fig. 1 the database 14 is shown as being external to the server 12, it could equally well be integrated in the server 12. The checking system of the integrity of the whole vehicle configurable bill of materials under the free selection condition is connected with at least one management system 1 through a network 11. The network 11 may be an intranet or the internet or other type of communication network. The management system 1 is used for storing a full-function position description library A, a full-configuration feature basic library B, a configurable BOM table C, engineering vehicle types, configuration relations and a rule matrix D.
As shown in fig. 2, a functional block diagram of the server 12 of the checking system for integrity of the whole vehicle configurable bill of materials under the free choice condition of the present invention is shown. The server 12 includes a receiving module 120, a pre-inspection module 121, and a verification module 122.
The receiving module 120 downloads the full function location description library a, the full configuration feature base library B, the configurable BOM table C, and the engineering vehicle model and configuration relation and rule matrix D from the management system 1 through the network 11, and stores them in the database 14. The receiving module 120 synchronizes the daily timing with the management system 1, and downloads the data updated by the management system 1 on the same day in one way so that the data of the database 14 and the data of the management system 1 have consistency.
The full function location description library a contains at least one product base function location description library describing product base function locations necessary for the corresponding product, comprising product base function location description libraries A1, a 2..an for the platforms 1, 2..n, respectively for describing product base function locations necessary for the products of the platforms 1, 2..n, wherein a specific function location in each of said product base function location description libraries corresponds to at least one data row in said configurable BOM table, respectively, each data row comprising a function location description code (first function location description code) for describing the function and mounting location of the necessary component.
Preferably, the data line further comprises a textual description code description for displaying the part represented by the functional position description code on the display in text.
The product basic function position description library is a description library for describing all function positions of the product engineering vehicle type, and all function positions of any vehicle type have corresponding function position description codes and descriptions in the product basic function position description library. For example: the functional position description codes of the engine compartment fuse box bracket in the product basic functional position description library are as follows: "863A02P", the functional location description is described as: "BRACKET-F/CMPT FUSE BLK".
As shown in table 1 below, table 1 is a schematic listing of part of the contents of the product base function location description library M. Wherein the first functional location description code is illustratively an 8-bit hexadecimal code.
TABLE 1
The full configuration feature basic library B comprises configuration feature families and configuration features of all products in engineering vehicle types and configuration relations and rule matrixes.
The full-configuration feature basic library is a configuration feature library for describing all products, and all configuration features of any product have corresponding feature group codes and feature codes in the full-configuration feature basic library. The feature family codes of "SUN ROOF" are, for example: s35, wherein the characteristic code S35S represents the characteristic of the product with the skylight, and S35X represents the characteristic of the product without the skylight.
The configurable BOM table C comprises at least one product BOM table, wherein the product BOM table comprises at least one BOM row, and each BOM row comprises a part code, a functional position description code (a second functional position description code) and a material configuration relation constraint. The material configuration relation constraint expression is a logic expression of a model code and a feature code or a logic expression of the model code only.
| Part code | Second function location description code | Constraint type material configuration relation |
| 00000001 | 0111A02B | UI2SP2&C00R. |
| 00000002 | 0111L01H | UI2SP2&C00R. |
| 00000003 | 0211A01A | UI2CP2&UI2DP2. |
| 00000004 | 0211A010 | UI2DP2. |
| 00000005 | 0211A01V | UI2SP2&B00L&C00R. |
| 00000006 | 0211A01V | UI2SP2&B00R&C00R. |
TABLE 2
Table 2 is a schematic listing of part of the contents of the product 8011 table. The product 8011 table includes a number of rows, each row including part code, a second function location description code, and a material configuration relationship constraint code. Wherein the part code is illustratively 8-bit 16-ary encoded and the second functional position-describing code is illustratively 8-bit 16-ary encoded. Taking the first row of table 2 as an example, the part code is 00000001, the second function position description code is O111a02B, and the material configuration relation constraint is U12SP2& C00R.
The configurable BOM table may be divided into m different sub-configurable bill of materials according to functional location. Assuming that the configurable BOM table is set B, the sub-configurable bill of materials set to B x ，B x Is a subset of B, all B x And adding to form B.
B can be expressed as:
the engineering vehicle type and configuration relation and rule matrix D is a multidimensional variable set array for describing configuration of the engineering vehicle type and is used for describing relation and rule between each engineering vehicle type and related configuration characteristics. The engineering vehicle type and configuration relation and rule matrix comprises the engineering vehicle type, a full configuration feature group (matrix C1), a full configuration feature group category (matrix C2 (M/R)), a full configuration feature (matrix C3), an engineering vehicle type (matrix C4), a vehicle type configuration relation constraint (matrix C5), a full configuration feature applicability identification (matrix C6 (A/R/B)), and the like, and the engineering vehicle type and configuration relation and rule matrix I can be expressed as follows: i xy (C1，C2，C3，C4，C5，C6)；
C1＝(F 1 ，F 2 ，...F n )
C2＝(D 1 ，D 2 ，…D n )，D i ＝MorR
C3＝(O 1 ，O 2 ，…O n )
C4＝(M 1 ，M 2 ，…M n )
C5＝(S 1 ，S 2 ，…S n )
C6＝(A 1 ，A 2 ，…A n )，A i ＝AorRorB
Any row in the engineering vehicle type and configuration relation and rule matrix can be expressed as I x ＝(C1(x)，C2(x)，C3(x)，C4(x)，C5(x)，C6(x))＝(F x ，D x ，O x ，M x ，S x ，A x )
The full-configuration feature family and the full-configuration feature are contained in a full-configuration feature base, the full-configuration feature base is a configuration feature base for describing all products, and all configuration features of any product have corresponding feature family codes and configuration feature codes in the full-configuration feature base;
the full configuration feature is a first element in the engineering vehicle type and configuration relation and rule matrix;
The full-configuration feature family is an attribute for classifying the full-configuration features, and only one full-configuration feature in the full-configuration feature family of one sales vehicle type;
F x and O x Are all selected from a fully-configured feature base library, wherein O x Is the first element in the relation between the engineering vehicle type and the configuration and rule matrix, F x Is used for O x Attribute of classification, F x And O x Corresponding relation of (2) is constant, and the whole vehicle is a certain F x Of which only one O can be x ；
The full configuration feature class D x Is used to describe the full configuration feature family F x Is the vehicle necessity identification of the whole vehicle, and the full configuration characteristic class D x The value of (2) can be M or R, M represents the necessary full configuration feature group on the whole vehicle, and R represents the possible full configuration feature group on the whole vehicle;
M x is used to describe the full configuration feature O x Applicable workerCheng Chexing;
the configuration relation constraint type S of the vehicle type x Is used to describe each of the fully configured features O x Logic conditions with other relevant full configuration features, the logic conditions being represented by and, or, non-logic operation formulas between relevant full configuration features;
the full configuration feature applicability identifier A x Is used to describe the full configuration feature O x In the engineering vehicle model M x Applicability of the full configuration feature, A x Can only have a value of A, R, B, A is the fully configured feature O x In the engineering vehicle model M x Optionally, R is the fully configured feature O x In the engineering vehicle model M x Constraint S meeting configuration relation of vehicle type x If necessary, B is one of the fully configured feature groups F x In the engineering vehicle model M x When no full configuration feature of A or R exists, the system automatically selects the full configuration feature O of the mark x And the full configuration characteristic of the corresponding sales vehicle type is provided.
The sales vehicle model is a single vehicle model with complete configuration characteristics and calculated according to the engineering vehicle model, the configuration relation and the rule matrix and capable of being sold.
After the full-function location description library a, the full-configuration feature basic library B, the configurable BOM table C, and the engineering vehicle type, configuration relation and rule matrix D are obtained, the pre-checking module 121 and the checking module 122 perform interactive checking and approval on the integrity of the provided configurable BOM table C according to the full-function location description library a, the full-configuration feature basic library B, the configurable BOM table C, the engineering vehicle type, configuration relation and rule matrix D.
The pre-checking module 121 is configured to generate a function location use set according to the configurable BOM table, and check the integrity of the function location use set according to a product basic function location description library included in the full function location description library; wherein the product basic function position description library is used for describing the basic function position of the product necessary for the product;
The verification module 122 selects the engineering vehicle types one by one according to the engineering vehicle types, the configuration relation and the rule matrix, and verifies the integrity of the configurable BOM of each selected engineering vehicle type by utilizing the principle that a specific functional position of the whole vehicle is only related to a limited configuration family and any specific functional position has the maximum possibility of only one material number, thereby verifying the integrity of the configurable BOM table.
Wherein, the pre-checking module 121 is configured to perform the following steps when checking the integrity of the function location use set according to the product basic function location description library included in the full function location description library:
comparing the function position use set with the corresponding product basic function position library, and if a difference part exists, carrying out alarm analysis;
dividing the configurable BOM table into a plurality of sub-configurable bill of materials according to the functional positions, and if a plurality of rows exist in a certain sub-configurable bill of materials, and the material configuration relation constraint type in any BOM row only has engineering vehicle types, directly reporting errors.
The verification module 122 is configured to perform the following steps when verifying the integrity of the BOM of each selected engineering vehicle model:
Under the selected engineering vehicle type, selecting one functional position from the functional position use set, and acquiring the sub-configurable bill of materials of the selected functional position from a configurable BOM table;
obtaining a final feature family subset of the selected sub-configurable bill of materials according to a principle that a specific functional position of the whole vehicle is only related to a limited configuration family, the material configuration relation constraint type of all BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, configuration relation and rule matrix;
and checking the integrity of the selected sub-configurable bill of materials according to the principle that the final feature family subset and any specific function position have the largest possible and only one bill of materials.
The verification module 122 is configured to perform the following steps when obtaining a final feature family subset of the selected sub-configurable bill of materials according to a principle that a specific functional position of the whole vehicle is related to only a limited configuration family, the material configuration relation constraint relation of all BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, configuration relation and rule matrix:
According to the principle that a specific functional position of the whole vehicle is only related to a limited configuration family, acquiring a material configuration relation constraint formula of all BOM rows in the selected sub-configurable bill of materials, and extracting all non-repeated configuration feature codes in the acquired material configuration relation constraint formula to form a feature set;
finding out a feature group subset corresponding to the feature set from the engineering vehicle type, the configuration relation and the rule matrix, and adding configuration feature codes which exist in the feature group subset but do not exist in the feature set into the feature set;
finding out a vehicle type configuration relation constraint formula corresponding to each configuration feature code in the feature set in the engineering vehicle type, configuration relation and rule matrix, determining all non-repeated configuration feature codes in the found vehicle type configuration relation constraint formula, adding the non-repeated configuration feature codes into the feature set, and repeating the steps until no new configuration feature codes in the feature set are increased, and obtaining the final feature family subset of the selected sub-configurable bill of materials.
The verification module 122 is configured to perform the following steps when verifying the integrity of the selected sub-configurable bill of materials according to the principle that the final feature family subset and any specific function location are the largest possible and only one bill of materials:
Dividing the final feature family subset into a necessary feature family subset and an optional feature family subset;
selecting 1 configuration feature code from each feature group of the necessary feature group subset, selecting 1 or 0 configuration feature codes from the selectable feature group subset to form a configuration combination related to a sub-bill of materials, and performing permutation and combination to obtain a configuration combination set related to the most possible sub-bill of materials configuration list;
selecting configuration combinations related to the sub-bill of materials one by one from the configuration combination set related to the most possible sub-bill of materials, wherein each configuration feature code in the selected configuration combinations related to the sub-bill of materials has one or more corresponding constraint formulas of vehicle type configuration relations in engineering vehicle types, configuration relations and rule matrixes;
if at least one vehicle type configuration relation constraint type corresponding to each configuration feature code in the selected configuration combinations related to the sub-bill of materials can be matched with the configuration combination related to the sub-bill of materials currently selected, the selected configuration combination related to the sub-bill of materials is a configuration combination related to an effective sub-bill of materials;
If none of the vehicle type configuration relation constraint relation corresponding to any one of the selected configuration feature codes related to the sub-bill of materials can be matched with the currently selected configuration combination related to the sub-bill of materials, the selected configuration combination related to the sub-bill of materials is an invalid configuration combination related to the sub-bill of materials;
determining all configuration combinations related to the effective sub-bill of materials as a configuration combination set related to the effective sub-bill of materials;
and according to the principle that any specific functional position is most likely to have only one material number, under the selected engineering vehicle type, carrying out logic relationship analysis and integrity comparison on the material configuration relation constraint type in the selected sub-configurable bill of materials and the configuration combination set related to the effective sub-bill of materials, and checking the integrity of the selected sub-configurable bill of materials.
The verification module 122 is configured to perform the following steps when verifying the integrity of the configurable BOM table:
under the selected engineering vehicle type, circularly traversing all functional positions of the whole vehicle configurable bill of materials to obtain integrity comparison results of sub configurable bill of materials corresponding to all functional positions, and finally summarizing all integrity comparison results into an integrity comparison result of the selected configurable bill of materials of the engineering vehicle type;
And in the whole vehicle configuration combination, obtaining the comparison result of the integrality of the configurable bill of materials of all engineering vehicle types, and integrating all the results into the comparison result of the integrality of the configurable bill of materials of the whole vehicle under the condition of freely selecting and configuring.
In summary, the following exemplary verification module 122 specifically performs the following steps:
selecting an engineering vehicle type:
multiple engineering vehicles possibly exist in the product engineering vehicle type, configuration relation and rule matrix, each engineering vehicle type is required to be selected one by the system, the configurable bill of materials integrity interactive checking and verification under a single engineering vehicle type is carried out, and the current engineering vehicle type is assumed to be selected as M 1 。
Obtaining a feature group subset of the product engineering vehicle type and the configuration relation and rule matrix:
selecting any one of the sub-configurable bill of materials B in the configurable BOM table B x ；
Take out B x Material configuration relation constraint type of all data lines in the database;
extracting all non-repeated configuration feature codes in the material configuration relation constraint type in the step to form a feature set R;
according to the feature set R, a feature group subset F corresponding to the R is found out from the product engineering vehicle model, the configuration relation and the rule matrix;
in the product engineering vehicle type, the configuration relation and the rule matrix, according to the characteristic group subset F, the characteristic codes O existing in F but not in R are obtained c Adding to R;
finding each O in the feature set R in the product engineering vehicle type, the configuration relation and the rule matrix c Corresponding vehicle type configuration relation constraint type;
finding out all non-repeated configuration feature codes O in the vehicle type configuration relation constraint formulas according to the vehicle type configuration relation constraint formulas c Repeating the steps to find out the non-repeated feature code O c Adding to R;
cycling through the above steps until there is no new O in R c And adding to obtain the final product engineering vehicle type and configuration relation and rule matrix feature group subset F.
Calculating the most possible configuration combinations related to the sub-bill of materials configuration list:
the most likely subset configuration list-related configuration combination set is T,
T＝{T 1 ，T 2 ，…，T n }
dividing the characteristic group subset F of the current product engineering vehicle type and the configuration relation and rule matrix into a necessary characteristic group subset F 'and an optional characteristic group subset F'.
F＝(F’+F”)
F' represents the class of the full configuration feature family as M, assuming F ’ In p feature groups, f x 'is that a certain feature group in F' contains the number of configuration features; f 'represents a full configuration feature group category R, provided that there are q feature groups in F', F y "is the number of configuration features contained in a certain feature family in F".
The generation principle of the configuration combination related to the sub-bill of materials is that 1 configuration feature code is selected from each feature group of the necessary feature group subset F ', 1 configuration feature code is selected or not selected from the optional feature group subset F' to form a configuration combination T related to the sub-bill of materials x Assuming that the number of configuration combinations related to the maximum possible sub-bill of materials configuration is N, then
The configuration combination T associated with the largest possible sub-bill of material configuration may be represented as a two-dimensional matrix, t= (tij), (i=p+q, j=n);
wherein each column T x Representing a sub-bill of materials configuration-related configuration combination, O x A feature code of a feature family in F', Q x Is the feature code of a feature group in F', T x Can be expressed as T x ＝{O 1 ，O 2 ，…，O p ，O 1 ，Q 2 ，…，Q q }，O x ∈F’，Q x =φ or Q x ∈F”。
Calculating the final valid sub-configurable bill of materials-related configuration combinations:
the final effective sub-configurable object list related configuration combination set is W;
W＝{W 1 ，W 2 ，…，W m }，W∈T；
any one of the sub-bill of materials related configuration combinations T is selected from the largest possible sub-bill of materials related configuration combination sets T x ，T x Any one of the feature codes O i One or more corresponding constraint S of the vehicle type configuration relation can be found in the engineering vehicle type and the configuration relation and rule matrix i If S i At least one of which can be combined with T x Matching, then the configuration combination T related to the sub-bill of materials configuration x For a valid sub-bill of materials associated configuration combination, if any O i T is not satisfied x For invalid sub-bill of materials related configuration combinations, all valid sub-bill of materials related configuration combinations T x The aggregate is W.
Sub-configurable bill of materials B x Integrity comparison results:
according to the principle that a specific functional position has the largest possible material number and only one material number, under the selected engineering vehicle type, the current sub-configurable material list B is displayed x And carrying out logic relationship analysis and integrity comparison on the configuration combination set W related to the material configuration relation constraint and the effective sub-material configuration list. And finally obtaining the integrity comparison result of the current sub-configurable bill of materials.
Configurable BOM table integrity comparison results:
b in BOM table B of whole vehicle in circulating traversal 1 To B m The sub-configurable bill of materials of all the functional positions are subjected to integrity comparison according to the steps to obtain the integrity comparison result of the sub-configurable bill of materials of each functional position, and finally all the results are summarizedAnd comparing the integrity of the whole vehicle configurable bill of materials under the condition of free selection.
The invention uses the principle that a specific function position of the whole vehicle is only related to a limited configuration family, and through the logic rules in the engineering vehicle type, the configuration relation and the rule matrix, one configurable vehicle type can only generate limited and effective configuration combination under the specific function position, then analyzes the sub-configurable bill of materials under the function position and the effective configuration combination according to the principle that the specific function position is the largest possible and only has one bill of materials, and then obtains the sub-configurable bill of materials integrity comparison result under the function position of the configurable vehicle type through integrity comparison. And then, carrying out integrity comparison on the sub-configurable bill of materials of each functional position of the whole vehicle by using a circulation traversing method according to the steps to obtain the result of the integrity of the sub-configurable bill of materials of each functional position, and finally, summarizing all the results into the result of the integrity comparison of the whole vehicle configurable bill of materials under the condition of free matching. The invention can analyze the integrity of the configurable BOM with multiple platforms and multiple products under the free matching condition, solves the difficult problem of checking the integrity of mass data BOM under the free matching condition, and enables the free matching of the whole vehicle configuration to be possible.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or terminal device comprising the element.
The foregoing has outlined rather broadly the more detailed description of the invention in order that the detailed description of the invention that follows may be better understood, and in order that the present principles and embodiments may be better understood; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (8)
1. The utility model provides a check-up system of whole car configurable bill of materials integrality under free choice condition, its characterized in that, check-up system includes the server, the server links to each other with at least one management system, wherein:
the management system comprises a full-function position description library, a full-configuration feature basic library, engineering vehicle types, configuration relation and rule matrixes and a configurable bill of materials BOM table;
the server comprises a receiving module, a pre-detection module and a verification module;
the receiving module is used for receiving the full-function position description library, the engineering vehicle type and configuration relation and rule matrix and the configurable BOM table from the management system;
the pre-checking module is used for generating a function position use set according to the configurable BOM table, and checking the integrity of the function position use set according to a product basic function position description library included in the full function position description library; wherein the product basic function position description library is used for describing the basic function position of the product necessary for the product;
the verification module selects engineering vehicles one by one according to the engineering vehicles and configuration relation and rule matrix, and verifies the integrity of the configurable BOM of each selected engineering vehicle by utilizing the principle that a specific functional position of the whole vehicle is only related to a limited configuration family and the maximum possible one material number of any specific functional position is only available, so as to verify the integrity of the configurable BOM table, wherein the engineering vehicles and configuration relation and rule matrix is a multidimensional variable set array for describing configuration of the engineering vehicles, the engineering vehicles and configuration relation and rule matrix is used for describing the relation and rule between each engineering vehicle and related configuration characteristics, and the engineering vehicles and configuration relation and rule matrix comprises engineering vehicles, full configuration characteristic families, engineering vehicles, vehicle configuration relation constraint type and full configuration characteristic applicability identification;
The verifying module is used for executing the following steps when verifying the integrity of the BOM of each selected engineering vehicle type:
under the selected engineering vehicle type, selecting one functional position from the functional position use set, and acquiring a sub-configurable bill of materials of the selected functional position from a configurable BOM table;
obtaining a final feature family subset of the selected sub-configurable bill of materials according to a principle that a specific functional position of the whole vehicle is only related to a limited configuration family, material configuration relation constraint relation of all BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, configuration relation and rule matrix;
checking the integrity of the selected sub-configurable bill of materials according to the principle that the final feature family subset and any specific functional position are the most likely to have and only have one bill of materials;
the verification module is used for executing the following steps when obtaining a final feature family subset of the selected sub-configurable bill of materials according to a principle that a specific functional position of the whole vehicle is only related to a limited configuration family, material configuration relation constraint relation of all BOM rows in the selected sub-configurable bill of materials, and the engineering vehicle type, configuration relation and rule matrix:
Extracting all non-repeated configuration feature codes in a material configuration relation constraint formula to form a feature set, wherein the material configuration relation constraint formula is obtained according to the principle that a specific functional position of the whole vehicle is only related to a limited configuration family;
finding out a feature group subset corresponding to the feature set from the engineering vehicle type, the configuration relation and the rule matrix, and adding configuration feature codes which exist in the feature group subset but do not exist in the feature set into the feature set;
finding out a vehicle type configuration relation constraint formula corresponding to each configuration feature code in the feature set in the engineering vehicle type, configuration relation and rule matrix, determining all non-repeated configuration feature codes in the found vehicle type configuration relation constraint formula, adding the non-repeated configuration feature codes into the feature set, and repeating the steps until no new configuration feature codes in the feature set are increased, and obtaining the final feature family subset of the selected sub-configurable bill of materials.
2. The system of claim 1, wherein said full function location description library comprises at least one of said product base function location description libraries, a specific function location in each of said product base function location description libraries corresponding to at least one data line in said configurable BOM table, respectively.
3. The system of claim 1, wherein,
the full configuration feature family and the full configuration feature are contained in a full configuration feature base, the full configuration feature base is a configuration feature base for describing all products, and all configuration features of any product have corresponding feature family codes and configuration feature codes in the full configuration feature base.
4. The system of claim 3, wherein the configurable BOM table comprises at least one product configurable BOM table comprising at least one BOM row, each BOM row comprising part code, functional location description code, material configuration relationship constraints.
5. The system of claim 4, wherein the material configuration relationship constraint is a logical formula of a model code and a feature code of an engineering vehicle model or a logical formula of a model code of an engineering vehicle model.
6. The system of claim 4, wherein the pre-inspection module is configured to perform the following steps when verifying the integrity of the set of functional site uses from a product base functional site description library included in the full functional site description library:
Comparing the function position use set with the corresponding product basic function position library, and if a difference part exists, carrying out alarm analysis;
dividing the configurable BOM table into a plurality of sub-configurable bill of materials according to the functional positions, and if a plurality of rows exist in a certain sub-configurable bill of materials, and the material configuration relation constraint type in any BOM row only has engineering vehicle types, directly reporting errors.
7. The system of claim 1, wherein the verification module is configured to perform the following steps when verifying the integrity of the selected sub-configurable bill of materials based on the principle that the final feature family subset and any particular functional location is most likely and has only one bill of materials:
dividing the final feature family subset into a necessary feature family subset and an optional feature family subset;
selecting 1 configuration feature code from each feature group of the necessary feature group subset, selecting 1 or 0 configuration feature codes from the selectable feature group subset to form a configuration combination related to a sub-bill of materials, and performing permutation and combination to obtain a configuration combination set related to the most possible sub-bill of materials configuration list;
Selecting configuration combinations related to the sub-bill of materials one by one from the configuration combination set related to the most possible sub-bill of materials, wherein each configuration feature code in the selected configuration combinations related to the sub-bill of materials has one or more corresponding constraint formulas of vehicle type configuration relations in engineering vehicle types, configuration relations and rule matrixes;
if at least one vehicle type configuration relation constraint type corresponding to each configuration feature code in the selected configuration combinations related to the sub-bill of materials can be matched with the configuration combination related to the sub-bill of materials currently selected, the selected configuration combination related to the sub-bill of materials is a configuration combination related to an effective sub-bill of materials;
if none of the vehicle type configuration relation constraint relation corresponding to any one of the selected configuration feature codes related to the sub-bill of materials can be matched with the currently selected configuration combination related to the sub-bill of materials, the selected configuration combination related to the sub-bill of materials is an invalid configuration combination related to the sub-bill of materials;
determining all configuration combinations related to the effective sub-bill of materials as a configuration combination set related to the effective sub-bill of materials;
And according to the principle that any specific functional position is most likely to have only one material number, under the selected engineering vehicle type, carrying out logic relationship analysis and integrity comparison on the material configuration relation constraint type in the selected sub-configurable bill of materials and the configuration combination set related to the effective sub-bill of materials, and checking the integrity of the selected sub-configurable bill of materials.
8. The system of claim 7, wherein the verification module, when verifying the integrity of the configurable BOM table, is to perform the steps of:
under the selected engineering vehicle type, circularly traversing all functional positions of the whole vehicle configurable bill of materials to obtain integrity comparison results of sub configurable bill of materials corresponding to all functional positions, and finally summarizing all integrity comparison results into an integrity comparison result of the selected configurable bill of materials of the engineering vehicle type;
and in the whole vehicle configuration combination, obtaining the comparison result of the integrality of the configurable bill of materials of all engineering vehicle types, and integrating all the results into the comparison result of the integrality of the configurable bill of materials of the whole vehicle under the condition of freely selecting and configuring.
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| CN113743880A (en) * | 2020-05-29 | 2021-12-03 | 上海汽车集团股份有限公司 | Method and system for checking bill of materials of vehicle |
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