CN117649211A - Enterprise assembly process collaborative management system - Google Patents
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Abstract
The invention discloses an enterprise assembly process cooperative management system, relates to the technical field of process management, and solves the technical problems that the conventional enterprise assembly process cooperative management system does not fully consider various problems of enterprises in the assembly process, is difficult to simulate various schemes and is inconvenient to select proper production schemes and assembly processes; the production plan management module: is used for monitoring orders and inventory data in real time, making a plurality of production plans and assembly process requirements corresponding to the production plans, sharing all production plans to a material evaluation module and an assembly standardization module; the assembly operation flow and the process instruction are formulated by evaluating the production plan and the assembly process requirements corresponding to the production plan and the material supply stability corresponding to each set of production plan and standardizing the assembly process, so that enterprises are helped to evaluate the rationality of each set of production plan, and the standardization degree of the enterprise assembly process is also facilitated to be improved.
Description
Technical Field
The invention belongs to the field of process management, relates to an assembly process management technology, and particularly relates to an enterprise assembly process collaborative management system.
Background
With the transformation, upgrading and informatization processes of the manufacturing industry, products become more and more complex, and management and optimization of assembly processes become more critical. The traditional assembly process management often has the problems of information island and unsmooth cooperation, and cannot effectively adapt to the market demands of rapid change and personalized customization. Therefore, enterprises need to construct an assembly process cooperative management system by means of information technology and digital means, so that comprehensive cooperation, intelligent optimization and digital management of the assembly process are realized, market challenges are met, and competitiveness is improved. The enterprise assembly process cooperative management system is a system for realizing comprehensive cooperation and integration of assembly process management by utilizing an information technology means in manufacturing enterprises.
The conventional enterprise assembly process collaborative management system generally only considers the efficiency problem, but does not fully consider various problems of enterprises in the assembly process, such as raw material supply and assembly process standardization, and is difficult to simulate various schemes, so that proper production schemes and assembly processes are inconvenient to select. For example, in patent CN109087062a, a process collaborative management system and a collaborative management method are disclosed, and a design process collaborative work platform is established through a PDM system, so that a process can conveniently view or directly use the design result. The PDM system improves the parallelism of the process and the design work, the process can be inserted into the product design work in advance, the repetition of the product design is reduced, and the product design period and the process design period are shortened. The PDM system is used for establishing a design collaboration platform, so that different departments and different designers related to the design can conveniently share information and exchange work. And the design data is ensured to have unified data source management.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides an enterprise assembly process collaborative management system, which is used for solving the problems that the existing enterprise assembly process collaborative management system only usually considers the efficiency problem, does not fully consider various problems of enterprises in the assembly process, is difficult to simulate various schemes and is inconvenient to select proper production schemes and assembly process technologies.
To achieve the above object, a first aspect of the present invention provides an enterprise assembly process collaborative management system, including:
the production plan management module: is used for monitoring orders and inventory data in real time, making a plurality of production plans and assembly process requirements corresponding to the production plans, sharing all production plans to a material evaluation module and an assembly standardization module;
the material evaluation module: the method comprises the steps of obtaining consumption speeds and stock amounts of various materials in historical data according to a plurality of production plans and assembly process requirements corresponding to the production plans, and evaluating material supply stability corresponding to the production plans;
assembling a standardized module: the method is used for standardizing the assembly process, making an assembly operation flow and a process instruction book, and specifying assembly step requirements, detection standards and flows;
digital twin modeling module: the method comprises the steps of evaluating according to each production plan, the assembly process requirements corresponding to the production plans and the material supply stability corresponding to each production plan, establishing a virtual factory environment, and performing simulation analysis on each production plan;
standardized monitoring module: the method is used for carrying out simulation analysis on the assembly process according to the digital twin modeling module, and screening out the optimal production plan and the assembly process requirements corresponding to the production plan.
As a further scheme of the invention: further comprises:
the material monitoring management module: the material purchasing and distributing instruction is automatically issued according to the optimal production plan and the assembly process requirements corresponding to the production plan;
wherein, automatic material purchasing and delivery instruction of giving includes: when the stock quantity is reduced to the lowest stock threshold value, a material purchasing instruction is issued; when the rate of consumption of the assembly material reaches a set threshold, an instruction is sent to dispense the inventory material to the production line.
As a further scheme of the invention: the production plan management module includes:
order prediction unit: the method comprises the steps of predicting an order trend according to real-time order data and historical data through a support vector machine;
production plan making unit: the method is used for making a plurality of production plans according to the real-time order data and the order trend prediction result, wherein the production plans comprise: throughput, production schedule, and human resource requirements;
and an assembly process planning unit: the method is used for making each production plan and the corresponding assembly process requirements of the production plans according to the real-time monitored order and inventory data, and the assembly process requirements comprise: assembling flow, procedure arrangement and assembling result detection indexes.
As a further scheme of the invention: the material evaluation module acquires consumption speed and stock quantity of various materials in historical data according to a plurality of production plans and assembly process requirements corresponding to the production plans, and evaluates material supply stability corresponding to the production plans, and the material evaluation module comprises the following steps:
according to a plurality of production plans and assembly process requirements corresponding to the production plans, acquiring material types required by assembly;
collecting consumption speed and stock quantity data of various materials required by assembly in historical data;
according to the consumption speed and the change amount of stock quantity of various materials required by assembly, the material supply stability of single materials in a plurality of sets of production plans is evaluated by the following formulas:
；
wherein K is the material supply stability value of a single material, Z 0 Suggesting stock quantity for material, Z min Z is the lowest inventory threshold for the material within the production deadline of the order max Is the maximum stock threshold of the materials in the production period of the order, S min The lowest consumption speed of the material production period is the production period of the order;
and taking the material supply stability value of the single material corresponding to the lowest material in each set of production plans as the material supply stability evaluation value of the corresponding production plan.
As a further scheme of the invention: the assembly standardization module standardizes an assembly process, formulates an assembly operation flow and a process instruction book, prescribes assembly step requirements, detection standards and flows, and comprises the following steps:
decomposing the same type of products of the enterprise, namely decomposing the assembly key steps and working procedures of the same type of products, and determining the assembly flow of the same type of product key steps of the enterprise;
according to the assembly flow of key steps of the same type of products of enterprises, an assembly operation flow of each step is formulated, wherein the assembly operation flow comprises assembly step requirements, required tools, materials and assembly sequences of each step; wherein the assembling step comprises the following steps: fitting clearance, tightening torque, lubrication requirements and fixing modes among parts;
determining detection standards for the quality of products in each key link in the assembly process according to detection indexes of the assembly results of the same type of products of enterprises, wherein the detection standards comprise appearance detection, functional test and size measurement after the assembly of each step is completed;
finishing the assembly step requirements, required tools, materials and assembly sequences of each step, and appearance detection, function test and dimension measurement data after the assembly of each step into a process instruction book;
and correcting the assembly flow established by each assembly process planning unit according to the assembly flow and the process instruction book of the key steps.
As a further scheme of the invention: the standardized monitoring module carries out simulation analysis on the assembly process according to the digital twin modeling module, screens out an optimal production plan and assembly process requirements corresponding to the production plan, and comprises the following steps:
and carrying out simulation analysis on the assembly process according to the digital twin modeling module, evaluating the enterprise assembly standardization degree of each production plan according to the assembly material supply stability evaluation value and screening out the optimal production plan and the assembly process requirements corresponding to the production plan through the requirements, the detection standards and the procedures of the assembly steps set by the assembly standardization module.
As a further scheme of the invention: the standardized monitoring module carries out simulation analysis on the assembly process according to the digital twin modeling module, evaluates the enterprise assembly standardization degree of each production plan according to the requirements, detection standards and procedures of the assembly steps set by the assembly standardization module and the evaluation value of the assembly material supply stability, and comprises the following steps:
obtaining analog analysis data of the digital twin modeling module for the assembly process;
comparing the requirements, detection standards and processes of the assembly steps set by the assembly standardization module with the simulation analysis data of the assembly process by the digital twin modeling module;
according to the comparison result of the process instruction set by the assembly standardization module and the simulation analysis data of the assembly process by the digital twin modeling module, carrying out compliance evaluation on each step in the assembly process;
and evaluating the enterprise assembly standardization degree of each production plan according to the compliance evaluation value of each step in the assembly process and the assembly material supply stability evaluation value.
As a further scheme of the invention: compliance evaluation was performed for each step in the assembly process by the following formula:
；
wherein P is i For the compliance evaluation value of the ith step, a is the number of times that the assembly step and the detection result in the simulation analysis data deviate from the specified occurrence in the process instruction book set by the assembly standardization module, q i,j The deviation value of the j-th detection index of the i-th step, Q i,j For the standard value of the j-th detection index of the i steps, i epsilon (1, n), n is the total number of assemblies in the assembly process, j epsilon (1, m), and m is the total number of detection items of each assembly step.
As a further scheme of the invention: the enterprise assembly standardization level for each set of production plans was evaluated by the following formula:
；
wherein R is an enterprise assembly standardization degree evaluation value of each production plan.
As a further scheme of the invention: the standardized monitoring module screens out the optimal production plan and the assembly process requirements corresponding to the production plan, and comprises the following steps:
and acquiring enterprise assembly standardization degree evaluation values of each set of production plans, and selecting the production plan with the maximum enterprise assembly standardization degree evaluation value and the assembly process requirement corresponding to the production plan as the optimal production plan and the assembly process requirement corresponding to the production plan.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a digital twin modeling module is used for evaluating according to each set of production plans and the assembly process requirements corresponding to the production plans and the material supply stability corresponding to each set of production plans, a virtual factory environment is established, each set of production plans is subjected to simulation analysis, and a standardized monitoring module is used for carrying out simulation analysis on the assembly process according to the digital twin modeling module, so that the optimal production plans and the assembly process requirements corresponding to the production plans are screened out; the production plan and the assembly process requirements corresponding to the production plan are considered, the material supply stability corresponding to each production plan is evaluated, the assembly process is standardized, and the assembly operation flow and the process instruction are formulated, so that enterprises are helped to evaluate the rationality of each production plan, the standardization degree of the enterprise assembly process is also facilitated to be improved, meanwhile, in the simulation analysis process, the digital twin model can simulate the matching degree between the production plan and the assembly process requirements, and the production plan and the assembly process are guaranteed to be matched more.
According to the invention, the stability of material supply is taken into consideration by the digital twin model, so that the stability of material supply is comprehensively considered when the production plan and the assembly process requirements are evaluated, and the production problem caused by unstable material supply is avoided for enterprises. The test of various production plans and assembly process requirements is carried out in a virtual factory environment, so that enterprises are helped to reduce the trial-and-error cost, and the loss caused by unsuitable production plans and assembly process requirements in actual production is avoided. Through the simulation analysis of the digital twin model, the optimal production plan and assembly process requirements can be screened out according to the evaluation result, so that the production efficiency and the product production standardization degree are improved.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture of the present invention;
fig. 2 is a schematic structural view of a production plan management module according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-2, an embodiment of the present invention provides an enterprise assembly process collaborative management system, including:
the production plan management module: is used for monitoring orders and inventory data in real time, making a plurality of production plans and assembly process requirements corresponding to the production plans, sharing all production plans to a material evaluation module and an assembly standardization module;
the material evaluation module: the method comprises the steps of obtaining consumption speeds and stock amounts of various materials in historical data according to a plurality of production plans and assembly process requirements corresponding to the production plans, and evaluating material supply stability corresponding to the production plans;
assembling a standardized module: the method is used for standardizing the assembly process, making an assembly operation flow and a process instruction book, and specifying assembly step requirements, detection standards and flows;
digital twin modeling module: the method comprises the steps of evaluating according to each production plan, the assembly process requirements corresponding to the production plans and the material supply stability corresponding to each production plan, establishing a virtual factory environment, and performing simulation analysis on each production plan;
standardized monitoring module: the method is used for carrying out simulation analysis on the assembly process according to the digital twin modeling module, and screening out the optimal production plan and the assembly process requirements corresponding to the production plan.
In this embodiment, a digital twin modeling module is used to evaluate the assembly process requirements corresponding to each set of production plans and each set of production plans, and the material supply stability corresponding to each set of production plans, a virtual factory environment is established, each set of production plans is subjected to simulation analysis, and a standardized monitoring module is used to perform simulation analysis on the assembly process according to the digital twin modeling module, so as to screen out the optimal production plans and the assembly process requirements corresponding to the production plans; the production plan and the assembly process requirements corresponding to the production plan are considered, the material supply stability corresponding to each production plan is evaluated, the assembly process is standardized, and the assembly operation flow and the process instruction are formulated, so that enterprises are helped to evaluate the rationality of each production plan, the standardization degree of the enterprise assembly process is also facilitated to be improved, meanwhile, in the simulation analysis process, the digital twin model can simulate the matching degree between the production plan and the assembly process requirements, and the production plan and the assembly process are guaranteed to be matched more.
The stability of material supply can be taken into consideration by the digital twin model, so that the stability of material supply is comprehensively considered when the production plan and the assembly process requirements are evaluated, and enterprises are helped to avoid production problems caused by unstable material supply. The test of various production plans and assembly process requirements is carried out in a virtual factory environment, so that enterprises are helped to reduce the trial-and-error cost, and the loss caused by unsuitable production plans and assembly process requirements in actual production is avoided. Through the simulation analysis of the digital twin model, the optimal production plan and assembly process requirements can be screened out according to the evaluation result, so that the production efficiency and the product production standardization degree are improved.
In one embodiment of the present invention, the method further comprises:
the material monitoring management module: the material purchasing and distributing instruction is automatically issued according to the optimal production plan and the assembly process requirements corresponding to the production plan;
wherein, automatic material purchasing and delivery instruction of giving includes: when the stock quantity is reduced to the lowest stock threshold value, a material purchasing instruction is issued; when the rate of consumption of the assembly material reaches a set threshold, an instruction is sent to dispense the inventory material to the production line.
In one embodiment of the present invention, a production plan management module includes:
order prediction unit: the method comprises the steps of predicting an order trend according to real-time order data and historical data through a support vector machine;
production plan making unit: the method is used for making a plurality of production plans according to the real-time order data and the order trend prediction result, wherein the production plans comprise: throughput, production schedule, and human resource requirements;
and an assembly process planning unit: the method is used for making each production plan and the corresponding assembly process requirements of the production plans according to the real-time monitored order and inventory data, and the assembly process requirements comprise: assembling flow, procedure arrangement and assembling result detection indexes.
In one embodiment of the present invention, the material evaluation module obtains consumption speeds and stock amounts of various materials in the historical data according to a plurality of production plans and assembly process requirements corresponding to the production plans, and evaluates material supply stability corresponding to the production plans, including the following steps:
according to a plurality of production plans and assembly process requirements corresponding to the production plans, acquiring material types required by assembly;
collecting consumption speed and stock quantity data of various materials required by assembly in historical data;
according to the consumption speed and the change amount of stock quantity of various materials required by assembly, the material supply stability of single materials in a plurality of sets of production plans is evaluated by the following formulas:
；
wherein K is the material supply stability value of a single material, Z 0 Suggesting stock quantity for material, Z min Z is the lowest inventory threshold for the material within the production deadline of the order max Is the maximum stock threshold of the materials in the production period of the order, S min The lowest consumption speed of the material production period is the production period of the order;
and taking the material supply stability value of the single material corresponding to the lowest material in each set of production plans as the material supply stability evaluation value of the corresponding production plan.
Specifically, by evaluating the material supply stability of individual materials in several sets of production plans, the stability and sufficiency of material supply can be evaluated.
In one embodiment of the present invention, the assembly standardization module standardizes an assembly process, formulates an assembly operation flow and a process instruction, and specifies assembly step requirements, detection standards and flows, including the steps of:
decomposing the same type of products of the enterprise, namely decomposing the assembly key steps and working procedures of the same type of products, and determining the assembly flow of the same type of product key steps of the enterprise;
according to the assembly flow of key steps of the same type of products of enterprises, an assembly operation flow of each step is formulated, wherein the assembly operation flow comprises assembly step requirements, required tools, materials and assembly sequences of each step; wherein the assembling step comprises the following steps: fitting clearance, tightening torque, lubrication requirements and fixing modes among parts;
determining detection standards for the quality of products in each key link in the assembly process according to detection indexes of the assembly results of the same type of products of enterprises, wherein the detection standards comprise appearance detection, functional test and size measurement after the assembly of each step is completed;
finishing the assembly step requirements, required tools, materials and assembly sequences of each step, and appearance detection, function test and dimension measurement data after the assembly of each step into a process instruction book;
and correcting the assembly flow established by each assembly process planning unit according to the assembly flow and the process instruction book of the key steps.
Specifically, the assembly step requirements, required tools, materials and assembly sequences of each step, and appearance detection, function test and dimension measurement data after the assembly of each step are arranged into a process instruction book; the assembly process planned by each assembly process planning unit is corrected according to the assembly process of the key steps and the process instruction, and the assembly process is more in line with the standardization of enterprise assembly through the correction of the assembly process, so that the production plan and the assembly process are more matched.
In one embodiment of the invention, the standardized monitoring module performs simulation analysis on the assembly process according to the digital twin modeling module, screens out an optimal production plan and assembly process requirements corresponding to the production plan, and comprises the following steps:
and carrying out simulation analysis on the assembly process according to the digital twin modeling module, evaluating the enterprise assembly standardization degree of each production plan according to the assembly material supply stability evaluation value and screening out the optimal production plan and the assembly process requirements corresponding to the production plan through the requirements, the detection standards and the procedures of the assembly steps set by the assembly standardization module.
In one embodiment of the present invention, the standardized monitoring module performs simulation analysis on an assembly process according to a digital twin modeling module, and evaluates an enterprise assembly standardization level of each set of production plans according to an assembly material supply stability evaluation value by using requirements, detection standards and procedures of an assembly step set by the assembly standardization module, including the following steps:
obtaining analog analysis data of the digital twin modeling module for the assembly process;
comparing the requirements, detection standards and processes of the assembly steps set by the assembly standardization module with the simulation analysis data of the assembly process by the digital twin modeling module;
according to the comparison result of the process instruction set by the assembly standardization module and the simulation analysis data of the assembly process by the digital twin modeling module, carrying out compliance evaluation on each step in the assembly process;
and evaluating the enterprise assembly standardization degree of each production plan according to the compliance evaluation value of each step in the assembly process and the assembly material supply stability evaluation value.
In one embodiment of the invention, compliance is evaluated at each step in the assembly process by the following formula:
；
wherein P is i For the compliance evaluation value of the ith step, a is the number of times that the assembly step and the detection result in the simulation analysis data deviate from the specified occurrence in the process instruction book set by the assembly standardization module, q i,j The deviation value of the j-th detection index of the i-th step, Q i,j For the standard value of the j-th detection index of the i steps, i epsilon (1, n), n is the total number of assemblies in the assembly process, j epsilon (1, m), and m is the total number of detection items of each assembly step.
In one embodiment of the invention, the enterprise assembly standardization level for each set of production plans is evaluated by the following formula:
；
wherein R is an enterprise assembly standardization degree evaluation value of each production plan.
In one embodiment of the present invention, the standardized monitoring module screens out an optimal production plan and an assembly process requirement corresponding to the production plan, including the steps of:
and acquiring enterprise assembly standardization degree evaluation values of each set of production plans, and selecting the production plan with the maximum enterprise assembly standardization degree evaluation value and the assembly process requirement corresponding to the production plan as the optimal production plan and the assembly process requirement corresponding to the production plan.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (10)
1. An enterprise assembly process collaborative management system, comprising:
the production plan management module: is used for monitoring orders and inventory data in real time, making a plurality of production plans and assembly process requirements corresponding to the production plans, sharing all production plans to a material evaluation module and an assembly standardization module;
the material evaluation module: the method comprises the steps of obtaining consumption speeds and stock amounts of various materials in historical data according to a plurality of production plans and assembly process requirements corresponding to the production plans, and evaluating material supply stability corresponding to the production plans;
assembling a standardized module: the method is used for standardizing the assembly process, making an assembly operation flow and a process instruction book, and specifying assembly step requirements, detection standards and flows;
digital twin modeling module: the method comprises the steps of evaluating according to each production plan, the assembly process requirements corresponding to the production plans and the material supply stability corresponding to each production plan, establishing a virtual factory environment, and performing simulation analysis on each production plan;
standardized monitoring module: the method is used for carrying out simulation analysis on the assembly process according to the digital twin modeling module, and screening out the optimal production plan and the assembly process requirements corresponding to the production plan.
2. The enterprise assembly process collaborative management system of claim 1, further comprising:
the material monitoring management module: the material purchasing and distributing instruction is automatically issued according to the optimal production plan and the assembly process requirements corresponding to the production plan;
wherein, automatic material purchasing and delivery instruction of giving includes: when the stock quantity is reduced to the lowest stock threshold value, a material purchasing instruction is issued; when the rate of consumption of the assembly material reaches a set threshold, an instruction is sent to dispense the inventory material to the production line.
3. The enterprise assembly process collaborative management system of claim 1, wherein the production planning management module comprises:
order prediction unit: the method comprises the steps of predicting an order trend according to real-time order data and historical data through a support vector machine;
production plan making unit: the method is used for making a plurality of production plans according to the real-time order data and the order trend prediction result, wherein the production plans comprise: throughput, production schedule, and human resource requirements;
and an assembly process planning unit: the method is used for making each production plan and the corresponding assembly process requirements of the production plans according to the real-time monitored order and inventory data, and the assembly process requirements comprise: assembling flow, procedure arrangement and assembling result detection indexes.
4. The enterprise assembling process collaborative management system according to claim 1, wherein the material evaluation module obtains consumption speeds and stock amounts of various materials in historical data according to a plurality of production plans and assembling process requirements corresponding to the production plans, and evaluates material supply stability corresponding to the production plans, comprising the steps of:
according to a plurality of production plans and assembly process requirements corresponding to the production plans, acquiring material types required by assembly;
collecting consumption speed and stock quantity data of various materials required by assembly in historical data;
according to the consumption speed and the change amount of stock quantity of various materials required by assembly, the material supply stability of single materials in a plurality of sets of production plans is evaluated by the following formulas:
；
wherein K is the material supply stability value of a single material, Z 0 Suggesting stock quantity for material, Z min Z is the lowest inventory threshold for the material within the production deadline of the order max Is the maximum stock threshold of the materials in the production period of the order, S min The lowest consumption speed of the material production period is the production period of the order;
and taking the material supply stability value of the single material corresponding to the lowest material in each set of production plans as the material supply stability evaluation value of the corresponding production plan.
5. The enterprise assembly process collaborative management system according to claim 4, wherein the assembly normalization module normalizes the assembly process, formulates assembly operational flows and process guidelines, specifies assembly step requirements, inspection standards and flows, comprising the steps of:
decomposing the same type of products of the enterprise, namely decomposing the assembly key steps and working procedures of the same type of products, and determining the assembly flow of the same type of product key steps of the enterprise;
according to the assembly flow of key steps of the same type of products of enterprises, an assembly operation flow of each step is formulated, wherein the assembly operation flow comprises assembly step requirements, required tools, materials and assembly sequences of each step; wherein the assembling step comprises the following steps: fitting clearance, tightening torque, lubrication requirements and fixing modes among parts;
determining detection standards for the quality of products in each key link in the assembly process according to detection indexes of the assembly results of the same type of products of enterprises, wherein the detection standards comprise appearance detection, functional test and size measurement after the assembly of each step is completed;
finishing the assembly step requirements, required tools, materials and assembly sequences of each step, and appearance detection, function test and dimension measurement data after the assembly of each step into a process instruction book;
and correcting the assembly flow established by each assembly process planning unit according to the assembly flow and the process instruction book of the key steps.
6. The enterprise assembly process collaborative management system according to claim 5, wherein the standardized monitoring module performs simulation analysis on the assembly process according to a digital twin modeling module to screen out an optimal production plan and assembly process requirements corresponding to the production plan, comprising the steps of:
and carrying out simulation analysis on the assembly process according to the digital twin modeling module, evaluating the enterprise assembly standardization degree of each production plan according to the assembly material supply stability evaluation value and screening out the optimal production plan and the assembly process requirements corresponding to the production plan through the requirements, the detection standards and the procedures of the assembly steps set by the assembly standardization module.
7. The enterprise assembly process collaborative management system according to claim 6, wherein the standardized monitoring module performs simulation analysis on the assembly process according to a digital twin modeling module, evaluates the enterprise assembly standardization level of each set of production plans according to the requirements, detection standards and flows of the assembly steps set by the assembly standardization module and the stability evaluation value of the assembly material supply, and comprises the following steps:
obtaining analog analysis data of the digital twin modeling module for the assembly process;
comparing the requirements, detection standards and processes of the assembly steps set by the assembly standardization module with the simulation analysis data of the assembly process by the digital twin modeling module;
according to the comparison result of the process instruction set by the assembly standardization module and the simulation analysis data of the assembly process by the digital twin modeling module, carrying out compliance evaluation on each step in the assembly process;
and evaluating the enterprise assembly standardization degree of each production plan according to the compliance evaluation value of each step in the assembly process and the assembly material supply stability evaluation value.
8. The enterprise assembly process collaborative management system of claim 7, wherein compliance assessment is performed for each step in the assembly process by:
；
wherein P is i For the compliance evaluation value of the ith step, a is the number of times that the assembly step and the detection result in the simulation analysis data deviate from the specified occurrence in the process instruction book set by the assembly standardization module, q i,j The deviation value of the j-th detection index of the i-th step, Q i,j For the standard value of the j-th detection index of the i steps, i epsilon (1, n), n is the total number of assemblies in the assembly process, j epsilon (1, m), and m is the total number of detection items of each assembly step.
9. The enterprise assembly process co-management system of claim 7, wherein the enterprise assembly standardization level for each set of production plans is evaluated by the following equation:
；
wherein R is an enterprise assembly standardization degree evaluation value of each production plan.
10. The enterprise assembly process collaborative management system according to claim 6, wherein the standardized monitoring module screens out optimal production plans and assembly process requirements corresponding to the production plans, comprising the steps of:
and acquiring enterprise assembly standardization degree evaluation values of each set of production plans, and selecting the production plan with the maximum enterprise assembly standardization degree evaluation value and the assembly process requirement corresponding to the production plan as the optimal production plan and the assembly process requirement corresponding to the production plan.
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| CN202410118240.5A CN117649211B (en) | 2024-01-29 | 2024-01-29 | Enterprise assembly process collaborative management system |
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| CN115526482A (en) * | 2022-09-22 | 2022-12-27 | 北京工业大学 | Workshop scheduling and dynamic scheduling platform based on digital twin |
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