A data correlation driven electrical system engineering change method
By establishing the correlation between design elements and modular management in electrical system design, the data consistency problem between two-dimensional drawings and three-dimensional installation drawings is solved, and the consistency and quality assurance of the electrical system design status are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- XIAN AIRCRAFT DESIGN INST OF AVIATION IND OF CHINA
- Filing Date
- 2024-12-24
- Publication Date
- 2026-05-19
AI Technical Summary
In traditional electrical system design, the relationship between two-dimensional drawings and three-dimensional installation drawings is not established, resulting in inconsistent data status of design elements. Designers cannot fully guarantee data consistency through manual operation.
By establishing the relationships between various design elements of the electrical system, defining production modules and process modules, and constructing a data-driven approach to electrical system engineering changes, including the relationships between elements such as physical architecture, EICD, schematic diagrams, and EWIS integrated design, modular design and state consistency management are achieved.
This ensured consistency in the design change status between the production module and the process module of the electrical system, guaranteeing the design quality and safety of the aircraft's electrical system.
Smart Images
Figure CN119690481B_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of aircraft product data management, and specifically relates to a data-association-driven method for electrical system engineering changes. Background Technology
[0002] Aircraft design is a complex systems engineering project, a multidisciplinary and multi-professional integrated design process. The electrical system, as a crucial component, has a significant impact on the quality of aircraft development and even its safety.
[0003] Traditional electrical system design relies on multiple single-point design tools to create schematics, wiring diagrams, harness diagrams, and 3D installation diagrams separately. This means the electrical system design model separates 2D diagrams (including schematics, wiring diagrams, and harness diagrams) from 3D installation diagrams (including equipment installation diagrams, bracket installation diagrams, and harness installation diagrams). Schematic diagrams, wiring diagrams, and harness diagrams are designed in a 2D environment, where their design elements are interconnected; changes to the schematic diagram can partially drive changes to the wiring diagrams and harness diagrams. Similarly, equipment installation diagrams, bracket installation diagrams, and harness installation diagrams are designed in a 3D environment, where their design elements are interconnected; changes to the bracket installation diagram can drive related changes to the equipment installation diagrams and harness installation diagrams, ensuring consistency across the installation diagrams. However, the lack of a clear connection between 2D and 3D installation diagrams means that interaction between the two types of diagrams, as well as integrated 2D and 3D design based on 2D diagrams, relies entirely on manual operation by the designer, which cannot fully guarantee data consistency. Summary of the Invention
[0004] The purpose of this application is to provide a data-association-driven method for electrical system engineering changes to solve or mitigate at least one of the problems in the prior art.
[0005] The technical solution of this application is: a data-association-driven method for modifying electrical system engineering, comprising:
[0006] Identify the digital design elements of electrical systems based on physical architecture, and construct the relationships between the various stages of the digital design elements of electrical systems;
[0007] Based on the digital design elements of electrical systems, design modules are defined for each stage, and based on the production and manufacturing of electrical systems, design modules are defined as production modules and process modules of electrical systems.
[0008] Taking the production modules of various electrical systems as the core, establish the relationship between each production module and all process modules in the electrical system;
[0009] Construct an electrical system process module engineering change process driven by the electrical system production module, determine the evolution mechanism of version, version number, and status during the electrical system process module engineering change process, and complete the electrical system engineering change based on the evolution mechanism.
[0010] Preferably, the digital design elements of the electrical system include physical architecture design elements, EICD design elements, schematic diagram design elements, EWIS integrated design elements, wiring diagram design elements, equipment installation design elements, bracket installation design elements, wiring harness installation design elements, and wiring harness diagram design elements.
[0011] Preferably, the design module includes a physical architecture module, a schematic diagram module, a main channel module, a conceptual separation surface module, a three-dimensional signal module, a pre-bundling module, a wiring diagram module, an equipment installation diagram module, a bracket installation diagram module, a wire harness installation diagram module, and a wire harness diagram module.
[0012] Preferably, a physical architecture tree structure is constructed according to the hierarchical structure of aircraft, system, subsystem or sub-system, and equipment, and the subsystem or sub-system node is defined as the smallest unit for physical architecture modification and is defined as a physical architecture module.
[0013] Construct a schematic tree structure according to the hierarchical structure of aircraft, system, subsystem or sub-system, and equipment. Subsystem or sub-system nodes are defined as schematic modules as the smallest units for schematic modification.
[0014] The main channel located in the three-level prototype structure tree is organized into sections, and each section is divided into multiple modules according to region. This module serves as the smallest unit for modifying the main channel and is defined as the main channel module.
[0015] The concept separation surface located under the main channel node is divided into multiple modules according to the region. This module, as the smallest unit for changing the concept separation surface, is defined as the concept separation surface module.
[0016] Construct a schematic diagram structure tree based on the hierarchical structure of aircraft, system, subsystem or sub-system, and equipment. Subsystem or sub-system nodes represent the L2P mapping result from the schematic diagram to the 3D layout and are consistent with the schematic diagram. Figure 1 One-to-one correspondence, as the smallest unit of three-dimensional signal modification, is defined as a three-dimensional signal module;
[0017] With wire harness Figure 1 A pre-bundling module node, which corresponds to and includes the three-dimensional signal of the wire harness and the wire harness connector, is defined as the smallest unit for pre-bundling modification.
[0018] During the wiring diagram design process, process data and final results are managed in the schematic diagram structure tree and the three-level prototype structure tree, respectively. The management of wiring diagram process data is integrated with the schematic diagram structure tree. Figure 1Therefore, a subsystem or subsystem node can be used as the smallest unit for changing the wiring diagram process data, and is defined as a wiring diagram process module. The final wiring diagram result is automatically generated from the process data containing two-dimensional charts, and is defined as a wiring diagram module.
[0019] The installation locations of electrical equipment on an aircraft, constructed separately according to profession and department, are defined as equipment installation diagram modules.
[0020] The bracket installation position corresponding to the electrical equipment constructed separately according to the profession and department is defined as the bracket installation diagram module;
[0021] A three-dimensional wiring harness connected to electrical equipment, constructed separately according to profession and department, is defined as a wiring harness installation diagram module;
[0022] A single wire harness that can be manufactured independently is defined as a wire harness diagram, which is defined as a wire harness diagram module.
[0023] Preferably, the production module is a module that needs to be distributed to the manufacturing unit for manufacturing and installation. The production module includes a wiring diagram production module, an equipment installation diagram module, a bracket installation diagram module definition, a wire harness installation diagram module, and a wire harness diagram module.
[0024] Preferably, the process module is process data that serves as input data for generating the production module during the electrical system design process and does not need to be distributed to the manufacturing unit. The process module includes a physical architecture module, a schematic diagram module, a main channel module, a conceptual separation surface module, a three-dimensional signal module, a pre-bundling module, and a wiring diagram module.
[0025] Preferably, establishing the relationship between each type of electrical system production module and all process modules, with each type of production module as the core, includes:
[0026] Establish relationships between the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module as the core and all process modules. Determine the content of changes to the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module caused by engineering changes to the process modules, and the content of changes to the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module caused by engineering changes to the process modules.
[0027] Preferably, the version evolution mechanism during the process module engineering change process is as follows:
[0028] In the process of changing the module project, the version identifier letters change linearly in sequence, and the version is upgraded in alphabetical order. After a single letter is used up, two letters are used for identification.
[0029] Preferably, the version number evolution mechanism during the process module engineering change process is as follows:
[0030] When a process module is changed, the version number is automatically calculated and incremented sequentially according to the configuration model, either by an odd number of at least three digits or by an even number of at least three digits.
[0031] Preferably, the state evolution mechanism during the process module change process is as follows:
[0032] After planning a process module using ECP for the first time, freeze the status of the relevant process module before making version or version number changes.
[0033] For serial changes to the same process module, multiple ECNs complete the process sequentially, the status of the corresponding production module is frozen, and the version status of the corresponding process module is frozen simultaneously.
[0034] When the version number of the same process module is changed in parallel, multiple ECNs complete the process sequentially, and the status of the corresponding process module is frozen in sequence.
[0035] When version numbers of the same process module are changed in parallel, the latest versions of multiple production modules correspond to the same version of the same process module. Multiple ECNs complete the process sequentially, and the ECN that completes the process first causes the corresponding version status of the process module to be frozen.
[0036] The data-driven electrical system engineering change method proposed in this application can ensure the consistency of the design change status of the production module and process module of the electrical system during the digital design and engineering change of the physical architecture-based electrical system, thereby guaranteeing the design quality of the aircraft electrical system. Attached Figure Description
[0037] To more clearly illustrate the technical solutions provided in this application, the accompanying drawings will be briefly described below. Obviously, the drawings described below are merely some embodiments of this application.
[0038] Figure 1 This is a schematic diagram of the overall architecture of the electrical system engineering modification method of this application.
[0039] Figure 2 This is a flowchart illustrating the data-driven electrical system engineering change process in this application. Detailed Implementation
[0040] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings.
[0041] This application proposes a data-driven method for electrical system engineering changes. By establishing the relationships between various design elements of the aircraft electrical system, it solves the data-driven problem in the process of aircraft electrical system engineering changes and ensures that the data status of each design element remains consistent after the electrical system engineering changes.
[0042] The data-association-driven electrical system engineering change method proposed in this application follows two basic principles:
[0043] 1) Based on the MBSE (Model Based Systems Engineering) design concept, conduct digital design of electrical systems based on the architecture definition and establish relationships between each stage;
[0044] 2) Define the production module and the process module, and establish the relationship between the production module and the process module with the production module as the core.
[0045] Based on the above fundamental principles, two business segments are established: digital design of electrical systems and engineering changes to electrical systems. In the digital design of electrical systems, the design work is carried out based on the physical architecture. During the digital design process, production modules and process modules are constructed, and the production module is ultimately distributed to the manufacturing unit. When a production module requires proactive engineering changes, or when changes to a process module trigger reactive engineering changes to a production module, an engineering change process must be initiated for the production module. The version, number, status, etc., of the associated process modules will change accordingly with the changes to the production module.
[0046] like Figure 1 As shown, the data-association-driven electrical system engineering change method provided in this application includes:
[0047] S10. Determine the digital design elements of the electrical system based on the physical architecture, and construct the relationship between each link in the digital design elements of the electrical system.
[0048] First, following the MBSE design concept, the digital design elements of the electrical system based on the physical architecture are determined. These digital design elements include physical architecture design elements, EICD (Electrical Interface Control Document) design elements, schematic diagram design elements, EWIS (Electrical Wiring Interconnection Systems) integrated design elements, wiring diagram design elements, equipment installation design elements, bracket installation design elements, wiring harness installation design elements, and wiring harness diagram design elements. Based on these digital design elements, a top-down relationship is established between each design element. This relationship includes the sequence of steps and the driving relationships between steps.
[0049] S20. Define design modules based on each link of the digital design elements of the electrical system, and define the design modules as production modules and process modules based on the production and manufacturing of the electrical system.
[0050] The design module includes a physical architecture module, a schematic module, a main channel module, a conceptual separation surface module, a three-dimensional signal module, a pre-bundling module, a wiring diagram module, an equipment installation diagram module, a bracket installation diagram module, a wire harness installation diagram module, and a wire harness diagram module.
[0051] The definitions of each module are as follows:
[0052] a) Physical architecture module: The physical architecture structure tree is constructed according to the hierarchical structure of aircraft, system, subsystem or sub-system, and equipment. Subsystem or sub-system nodes are the basic units for defining equipment connection relationships. Therefore, subsystem or sub-system nodes can be used as the smallest unit for physical architecture changes and are defined as physical architecture modules.
[0053] b) Schematic module. Similar to the physical architecture structure tree, the schematic structure tree is also constructed according to the hierarchical structure of aircraft, system, subsystem or sub-system, and equipment. Subsystem or sub-system nodes are the basic units for defining the connection relationships of equipment or signals. Therefore, subsystem or sub-system nodes can be used as the smallest unit for schematic modification and are defined as schematic modules.
[0054] c) Main Channel Module: The main channel is located in the three-level prototype structure tree and is organized by sections. Each section is further divided into multiple modules starting with MB, based on their region. Modules starting with MB can serve as the smallest unit for modifying the main channel and are defined as main channel modules.
[0055] d) Concept Separation Surface Module: The concept separation surface is located under the main channel node and is divided into multiple modules starting with FLM according to the region. The concept separation surface module starting with FLM can be used as the smallest unit for changing the concept separation surface and is defined as the concept separation surface module.
[0056] e) The three-dimensional signal module is organized in the same way as the schematic diagram. Subsystem or sub-system nodes are the L2P (Logical to Physical) mapping results from the schematic diagram to the three-dimensional layout. Figure 1 One-to-one correspondence, which can be used as the smallest unit for changing three-dimensional signals, is defined as a three-dimensional signal module.
[0057] f) Pre-bundled module, with wire harness Figure 1 In a one-to-one correspondence, the pre-bundling module node includes the three-dimensional signals of the wire harness and components such as wire harness connectors. The pre-bundling module node can be used as the smallest unit for pre-bundling modification and is defined as a pre-bundling module.
[0058] g) Wiring diagram module: During the wiring diagram design process, process data and final results are managed in the schematic diagram structure tree and the three-level prototype structure tree, respectively. Wiring diagram process data management and schematic diagram... Figure 1 In this context, a subsystem or sub-system node can be used as the smallest unit for changing the wiring diagram process data, and is defined as a wiring diagram process module. The final wiring diagram result is automatically generated from the process data and usually contains some two-dimensional diagrams, which are defined as wiring diagram modules.
[0059] h) Equipment Installation Drawing Module: During the electrical system design process, the installation location of electrical equipment on the aircraft is generally constructed as a separate module according to professional and departmental rules, and is defined as the equipment installation drawing module.
[0060] i) Bracket installation diagram module: In the electrical system design process, the bracket installation position corresponding to the electrical equipment is generally constructed as a separate module according to the rules of the profession and section, and is defined as bracket installation diagram module.
[0061] j) Wiring harness installation diagram module: In the electrical system design process, three-dimensional wiring harnesses connected to electrical equipment are generally constructed as separate modules according to professional and section rules, and are defined as wiring harness installation diagram modules.
[0062] k) Wire harness diagram module. A wire harness diagram, also called a wire harness process diagram, is the basis for wire harness manufacturing. Generally, a single wire harness that can be manufactured independently is defined as a wire harness diagram module.
[0063] The production module is the module that needs to be distributed to the manufacturing unit for manufacturing and installation. It includes the wiring diagram production module, equipment installation diagram module, bracket installation diagram module definition, wire harness installation diagram module, and wire harness diagram module.
[0064] Process modules are process data that can be used as input data to generate production modules during the electrical system design process without needing to be distributed to the manufacturing unit. They include physical architecture modules, schematic modules, main channel modules, conceptual separation surface modules, three-dimensional signal modules, pre-bundling modules, and wiring diagram modules.
[0065] S30. Establish the relationship between each type of production module and all process modules, taking various electrical system production modules as the core, specifically including:
[0066] a) Establish the relationships between the wiring diagram production module and other process modules, taking the wiring diagram production module as the core. Determine the changes that engineering changes in the process modules will cause corresponding changes in the wiring diagram production module, and vice versa. The process modules related to the wiring diagram production module mainly include: physical architecture module, schematic module, main channel module, conceptual separation surface module, 3D signal module, pre-bundling module, and wiring diagram process module.
[0067] (b) Establish the relationships between the equipment installation drawing module and other process modules, using the equipment installation drawing module as the core. Determine the corresponding changes in the equipment installation drawing module and vice versa, caused by engineering changes in the process modules. The process modules related to the equipment installation drawing module mainly include: physical architecture module, schematic diagram module, main channel module, conceptual separation surface module, 3D signal module, pre-bundling module, and wiring diagram process module.
[0068] c) Establish the relationships between the bracket installation drawing module and other process modules, taking the bracket installation drawing module as the core. Determine the content of changes to the bracket installation drawing module caused by engineering changes to the process modules, and vice versa. The process modules related to the bracket installation drawing module mainly include: physical architecture module, schematic diagram module, main channel module, conceptual separation surface module, 3D signal module, pre-bundling module, and wiring diagram process module.
[0069] d) Establish the relationships between the wiring harness installation diagram module and other process modules, using this module as the core. Determine the changes that engineering changes to the process modules will cause corresponding changes to the wiring harness installation diagram module, and vice versa. The process modules related to the wiring harness installation diagram module mainly include: physical architecture module, schematic diagram module, main channel module, conceptual separation surface module, 3D signal module, pre-bundled module, and wiring diagram process module.
[0070] e) Establish the relationships between the wiring harness diagram module and other process modules, using the wiring harness diagram module as the core. Determine the changes that engineering changes to the process modules will cause corresponding changes to the wiring harness diagram module, and vice versa. The process modules related to the wiring harness diagram module mainly include: physical architecture module, schematic diagram module, main channel module, conceptual separation surface module, 3D signal module, pre-bundling module, and wiring diagram process module.
[0071] S40. Construct an electrical system process module engineering change process driven by the electrical system production module, determine the evolution mechanism of version, version number, and status during the electrical system process module engineering change process, and complete the electrical system engineering change based on the evolution mechanism.
[0072] Taking a specific production module as the target, initiate a Change Request Process (ECP) to analyze and plan related process modules. Change requests for the production module and related process modules are implemented through an ECN (Engineering Change Notification). After joint modifications to the production and process modules, a second review and approval process is conducted to complete one round of engineering changes. Figure 2 As shown.
[0073] The version evolution mechanism during the process module engineering change process is as follows:
[0074] In the process of changing the module project, the version identifiers are "A", "B", "C", "D", ..., which change linearly in sequence and are upgraded in alphabetical order (the letters I, O, S, X, and Z are not used). After a single letter is used up, two letters are used, that is, after the "Y" version, the version identifiers "AA", "AB", ... are used.
[0075] The version number evolution mechanism during the process module engineering change process is as follows:
[0076] When the version number of the process module is changed, the number is automatically calculated. According to the model number, "001" is derived into "003", "005", "007", ..., "002" is derived into "004", "006", "008", ..., and so on.
[0077] The state evolution mechanism during the process module change process is as follows:
[0078] After initially planning process modules using ECP, the relevant process module status is frozen first, that is, the version "A" status of the process module is set to "released", and then version or version number changes are made. For serial changes to the same process module, multiple ECNs complete the process sequentially, the status of the corresponding production module is frozen, and the version status of the corresponding process module is frozen simultaneously. For parallel version number changes to the same process module, multiple ECNs complete the process sequentially, and the status of the corresponding process modules is frozen sequentially. For parallel version number changes to the same process module, the latest version of multiple production modules corresponds to the same version of the same process module, multiple ECNs complete the process sequentially, and the ECN that completes the process first triggers the freezing of the corresponding version status of the process module.
[0079] The data-driven electrical system engineering change method proposed in this application can ensure the consistency of the design change status of the production module and process module of the electrical system during the digital design and engineering change of the physical architecture-based electrical system, thereby guaranteeing the design quality of the aircraft electrical system.
[0080] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A data-association-driven method for modifying electrical system engineering, characterized in that, include: Identify the digital design elements of electrical systems based on physical architecture, and construct the relationships between the various stages of the digital design elements of electrical systems; Design modules are defined based on the various stages of digital design elements for electrical systems. These modules include physical architecture modules, schematic diagram modules, main channel modules, concept separation surface modules, 3D signal modules, pre-bundled modules, wiring diagram modules, equipment installation diagram modules, bracket installation diagram modules, wiring harness installation diagram modules, and wiring harness diagram modules. Based on electrical system manufacturing, these modules are defined as production modules and process modules for the electrical system. Specifically: a physical architecture structure tree is constructed according to the hierarchical structure of aircraft, system, subsystem or subsystem, and equipment. Subsystem or subsystem nodes, as the smallest unit for physical architecture modification, are defined as physical architecture modules. A schematic diagram structure tree is constructed according to the hierarchical structure of aircraft, system, subsystem or subsystem, and equipment. Subsystem or subsystem nodes, as the smallest unit for schematic diagram modification, are defined as schematic diagram modules. The main channel in the three-level prototype structure tree is organized into sections, and each section is divided into multiple modules according to region. This module, as the smallest unit for main channel modification, is defined as the main channel module. The concept separation surface under the main channel node is divided into multiple modules according to region. This module, as the smallest unit for concept separation surface modification, is defined as the concept separation surface module. The design modules are further divided according to the hierarchical structure of aircraft, system, subsystem, subsystem, and equipment. The hierarchical structure of systems or subsystems and equipment constructs a schematic diagram structure tree. Subsystem or subsystem nodes are L2P mapping results from the schematic diagram to 3D wiring and correspond one-to-one with the schematic diagram. As the smallest unit for 3D signal modification, they are defined as 3D signal modules. Pre-bundled module nodes, corresponding one-to-one with the wiring harness diagram and including the 3D signals of the wiring harness and the wiring harness connectors, are as the smallest unit for pre-bundled modification and are defined as pre-bundled modules. During the wiring diagram design process, process data and final results are managed in the schematic diagram structure tree and the three-level prototype structure tree, respectively. The wiring diagram process data management is consistent with the schematic diagram. A point, as the smallest unit for changing the wiring diagram process data, is defined as a wiring diagram process module. The final wiring diagram result is automatically generated from process data containing two-dimensional charts and is defined as a wiring diagram module. The installation positions of electrical equipment on the aircraft, constructed separately according to profession and section, are defined as equipment installation diagram modules. The bracket installation positions corresponding to electrical equipment, constructed separately according to profession and section, are defined as bracket installation diagram modules. The three-dimensional wire harnesses connected to electrical equipment, constructed separately according to profession and section, are defined as wire harness installation diagram modules. A single wire harness that can be manufactured independently is defined as a wire harness diagram module. Taking the production modules of various electrical systems as the core, establish the relationship between each production module and all process modules in the electrical system; Construct an electrical system process module engineering change process driven by the electrical system production module, determine the evolution mechanism of version, version number, and status during the electrical system process module engineering change process, and complete the electrical system engineering change based on the evolution mechanism.
2. The data-driven electrical system engineering modification method as described in claim 1, characterized in that, The digital design elements of the electrical system include physical architecture design elements, EICD design elements, schematic diagram design elements, EWIS integrated design elements, wiring diagram design elements, equipment installation design elements, bracket installation design elements, wiring harness installation design elements, and wiring harness diagram design elements.
3. The data-driven electrical system engineering modification method as described in claim 1, characterized in that, The production module is the module that needs to be distributed to the manufacturing unit for manufacturing and installation. The production module includes a wiring diagram production module, an equipment installation diagram module, a bracket installation diagram module definition, a wire harness installation diagram module, and a wire harness diagram module.
4. The data-driven electrical system engineering modification method as described in claim 1, characterized in that, The process module refers to the process data that serves as input data for generating the production module during the electrical system design process and does not need to be distributed to the manufacturing unit. The process module includes a physical architecture module, a schematic diagram module, a main channel module, a conceptual separation surface module, a three-dimensional signal module, a pre-bundling module, and a wiring diagram module.
5. The data-driven electrical system engineering modification method as described in claim 1, characterized in that, Centered on various electrical system production modules, the relationships between each production module and all process modules are established, including: Establish relationships between the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module as the core and all process modules. Determine the content of changes to the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module caused by engineering changes to the process modules, and the content of changes to the wiring diagram production module, equipment installation diagram module, bracket installation diagram module, wire harness installation diagram module, or wire harness diagram module caused by engineering changes to the process modules.
6. The data-driven electrical system engineering modification method as described in claim 5, characterized in that, The version evolution mechanism during the process module engineering change process is as follows: In the process of changing the module project, the version identifier letters change linearly in sequence, and the version is upgraded in alphabetical order. After a single letter is used up, two letters are used for identification.
7. The data-driven electrical system engineering modification method as described in claim 6, characterized in that, The version number evolution mechanism during the process module engineering change process is as follows: When a process module is changed, the version number is automatically calculated and incremented sequentially according to the configuration model, either by an odd number of at least three digits or by an even number of at least three digits.
8. The data-driven electrical system engineering modification method as described in claim 7, characterized in that, The state evolution mechanism during the process module change process is as follows: After planning a process module using ECP for the first time, freeze the status of the relevant process module before making version or version number changes. For serial changes to the same process module, multiple ECNs complete the process sequentially, the status of the corresponding production module is frozen, and the version status of the corresponding process module is frozen simultaneously. When the version number of the same process module is changed in parallel, multiple ECNs complete the process sequentially, and the status of the corresponding process module is frozen in sequence. When version numbers of the same process module are changed in parallel, the latest versions of multiple production modules correspond to the same version of the same process module. Multiple ECNs complete the process sequentially, and the ECN that completes the process first causes the corresponding version status of the process module to be frozen.