Engineering cost automatic apportionment method and system based on engineering whole process management

Abstract

The present application relates to a kind of engineering cost automatic allocation method based on engineering whole process management.The present application is used to determine the asset attribute and expense nature of each level of project by unifying WBS framework and flag attribute, lays the foundation for equipment purchase and other cost allocation by unifying financial and business information management standard;By allocating building engineering cost, installation engineering cost, other costs etc. to house, building and equipment assets according to preset allocation rules, asset handover value is formed.The standardization, automation and intelligentization of engineering whole process value closed-loop management are realized, and the process of engineering project whole process management business is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of power system information management, and in particular to a method and system for automatically allocating project costs based on full-process project management. Background Art

[0002] The existing automatic allocation of engineering costs based on ERP is essentially still a relatively independent business link, which is connected through offline process control. It is still separated from various professional systems and can only realize the online flow of individual business links. In fact, it cannot achieve the purpose of online control of the entire process of engineering projects from project establishment to automatic cost allocation and accounting.

[0003] Data and business standards across specialized systems and the ERP system are inconsistent. ERP secondary development requires manual data standard conversion and cross-system import and export, resulting in low efficiency and the potential for human error, leading to inconsistent business processes and data integration.

[0004] The current state of State Grid's project management efforts across the entire project lifecycle was insufficient to meet the company's business needs for online, automated cost allocation. Traditional approaches, characterized by process breakpoints, loose business connections, and decentralized functionality, led to inefficient automated cost allocation, severely impacting the company's ability to grow its effective asset base.

[0005] As the scale of the power grid continues to expand, power companies are increasing their investment in power infrastructure and power transformation projects. This results in a massive number of projects and fixed assets each year. This makes it difficult to address issues that may arise during project implementation, such as inappropriate automatic cost allocation. Furthermore, it's impossible to intuitively query project costs within the ERP system, making it difficult to trace the relationships between assets, equipment, and materials.

[0006] In order to effectively solve the above problems, the present invention builds an efficient and intelligent information platform through information technology, fully connects with the business processes of PMS, economic and legal systems, and fully connects with relevant professional management platforms, migrates traditional offline processes to online, and drives the entire project acceptance to final settlement and capital transfer process in an online process through workflow. It is fully connected with relevant professional management platforms, and uses technical means to standardize the management of the entire project management process, realize orderly value transfer throughout the entire engineering process, real-time business query, and comprehensive information sharing. Summary of the Invention

[0007] The present invention provides a method and system for automatic cost allocation of projects based on the management of the entire project process. By collecting, organizing, transmitting and comparing the data generated in each link of the project, real-time monitoring of the entire project process is achieved. The same equipment realizes coding linkage in the materials, equipment and asset modules, and has functions such as automatic cost early warning, automatic formation of asset ledgers, and automatic allocation of asset values.

[0008] In order to achieve the above object, the present invention adopts the following technical solutions:

[0009] The automatic allocation method of engineering costs based on the whole process management of the engineering project includes the following steps:

[0010] S1. Maintain WBS allocation flags and automatically write them into WBS master data, establish the correspondence between the standard WBS structure and WBS flags, and use them to determine the asset attributes and cost nature of each level of the project;

[0011] S2. Import and maintain detailed budget estimates for power grid projects, design and adjust structured templates for detailed budget estimates, and implement system integration.

[0012] S3. Integrated maintenance of equipment and material inventories and linked creation of purchase requisitions. Design and development of equipment and material inventory system management tools, inputting equipment and material inventories for subsequent linked creation of purchase requisitions.

[0013] S4. Accuracy verification of engineering material demand submission and delivery, and accuracy verification of engineering service demand submission;

[0014] S5. Maintain the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes, and implement online approval workflows. This allows for batch import, maintenance, and query of correspondence between equipment classifications, asset classifications, and materials / material groups, as well as query of correspondence between material groups and standard WBSs.

[0015] S6. Through custom configuration of WBS identification codes and service types, the standard purchase requisition creation procedure is automatically called, enabling one-click creation of purchase requisitions and purchase orders.

[0016] S7. Maintaining and verifying the existence of project budget details and actual start / completion dates: This feature ensures that the project budget details, actual start dates, and actual completion dates are entered accurately and timely when executing cost accounting or fund payments, as well as project pre-capital transfer operations in the ERP system.

[0017] S8. Contract execution status report display: Using projects as the smallest unit, obtain on-demand procurement contract information for engineering materials and services to form a basic data table on the execution of engineering project contracts;

[0018] S9. The estimated cost is temporarily recorded in the system, the service procurement order amount and the service confirmation amount are extracted, the estimated cost is automatically calculated, the online approval workflow is developed, and the estimated cost voucher is generated;

[0019] S10. The project site acceptance inventory is checked; before the project is completed and put into operation, the engineering management department exports the equipment inventory from the ERP system and submits it to the physical asset management department, the material management department, and the financial department;

[0020] S11. The project cost is automatically allocated, including two ways of allocation according to the budget proportion and allocation according to the equipment purchase value proportion;

[0021] The allocation according to the budget proportion includes: calculating the amount weight of each level based on the detailed budget of building and installation engineering cost; allocating building engineering cost; allocating installation engineering cost; and allocating other costs;

[0022] The allocation according to the equipment purchase value proportion includes: distinguishing between equipment cost and cost to be allocated according to the project detailed WBS and asset class flag; calculating the value proportion of each equipment according to the direct equipment cost; and allocating the cost to be allocated according to the equipment value proportion.

[0023] Further, in the step S1, the WBS allocation flag maintenance and automatic writing into the WBS master data include the following steps:

[0024] S1.1. WBS allocation table flag maintenance and import function;

[0025] S1.2. WBS architecture creation WBS flag automatic writing function;

[0026] Further, in the step S2, the budget import and maintenance include the following steps:

[0027] S2.1. Power grid engineering budget details import function;

[0028] S2.2. Power grid engineering budget details integration.

[0029] Further, in the step S3, the equipment and material inventory integration maintenance includes the following steps:

[0030] S3.1. Through the equipment and material inventory system management tool, the inventory template is downloaded, imported, modified, and queried;

[0031] S3.2. Set up key information verification when importing or modifying the equipment and material inventory;

[0032] S3.3. The equipment and material inventory import supports the financial department audit function to ensure the accuracy of the correspondence between the materials in the inventory and the WBS architecture;

[0033] S3.4. The equipment and material list is entered into the engineering cost software and the information is transferred to the ERP system through the interface for subsequent procurement application linkage and business creation.

[0034] Furthermore, in step S5, maintaining the correspondence between the material code, equipment type code, asset subcategory code, and WBS identification code includes the following steps:

[0035] S5.1. Batch maintenance function for the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes;

[0036] S5.2. Approval workflow for the correspondence between material codes, equipment type codes, asset subcategory codes, and WBS identification codes;

[0037] S5.3. The system application of the correspondence between material codes, equipment type codes, asset subcategory codes and WBS identification codes submitted for engineering material requirements has been enhanced, and the correspondence between material codes, equipment type codes, asset subcategory codes and WBS identification codes can be maintained in batches.

[0038] Furthermore, in step S6, the one-click creation of a purchase application and purchase order includes the following steps:

[0039] S6.1. Select and enter the project definition or project sub-item, service type, and automatically filter out the WBS corresponding to the service type.

[0040] S6.2. The business department selects the WBS and enters the tax rate and amount information;

[0041] S6.3. Automatically call the standard procedure for creating purchase requisitions to achieve one-click creation.

[0042] Furthermore, in step S7, the existence check of the project budget details and actual start / completion date maintenance includes the following steps:

[0043] S7.1. Before recording the design and development project costs and making the first payment, perform a strong check to verify that the corresponding "actual start date" and project budget details have been maintained.

[0044] S7.2. During the project pre-capitalization stage, check whether the “actual completion date” in the project master data is maintained.

[0045] Furthermore, in step S9, the provisional accounting of the engineering cost includes the following steps:

[0046] S9.1. Calculate provisional costs for engineering service procurement contracts for power grid projects that have not been fully accounted for before project pre-capitalization;

[0047] S9.2. Go through the online approval workflow and the business department reviews and confirms.

[0048] Furthermore, in step S10, the project site acceptance inventory includes the following steps:

[0049] S10.1. On-site acceptance inspection of power grid infrastructure - main grid project;

[0050] S10.2. On-site acceptance inspection of power grid infrastructure and distribution network projects;

[0051] S10.3. On-site acceptance and inventory of power grid production technical transformation projects;

[0052] S10.4. Equipment inventory generation and integration with PMS;

[0053] S10.5. Return equipment inventory information to the ERP system and create equipment cards;

[0054] S10.6. Equipment asset linkage function.

[0055] The present invention also relates to a system for automatically allocating project costs based on full-process project management, which is used to implement the above-mentioned method. The system comprises:

[0056] The maintenance module is used to maintain WBS allocation flags and automatically write them into WBS master data. It establishes the correspondence between the standard WBS structure and WBS flags, and is used to determine the asset attributes and expense nature of each level of the project.

[0057] Import module, used for importing and maintaining detailed budget estimates for power grid projects, designing and adjusting structured templates for detailed budget estimates, and solidifying the system;

[0058] Create a module for integrated maintenance of equipment and material inventories and linked creation of purchase requisitions. Design and develop a system management tool for equipment and material inventories, and enter equipment and material inventories for subsequent linked creation of purchase requisitions.

[0059] The first verification module is used to verify the accuracy of engineering material demand submission and delivery, and engineering service demand submission;

[0060] The relationship maintenance and approval module is used to maintain the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes, and to create an online approval workflow. This module enables batch import, maintenance, and query of correspondence between equipment classifications, asset classifications, and materials / material groups, as well as query of correspondence between material groups and standard WBS.

[0061] The configuration module is used to automatically call the standard purchase requisition creation procedure through custom configuration of WBS identification codes and service types, enabling one-click creation of purchase requisitions and purchase orders;

[0062] The second verification module is used to verify the existence of the project budget details and actual start / completion dates. This module verifies the timely and accurate entry of the project budget details, actual start date, and actual completion date when executing cost accounting or fund payment, as well as project pre-capital transfer operations in the ERP system.

[0063] The display module is used to display contract execution status reports: it uses projects as the smallest unit to obtain on-demand procurement contract information for engineering materials and services, and forms a basic data table on the execution status of engineering project contracts;

[0064] The accounting module is used to record project cost estimates. The system extracts the service purchase order amount and service confirmation amount, automatically calculates the estimated cost, and develops an online approval workflow to generate estimated cost vouchers.

[0065] The inventory module is used for on-site project acceptance and inventory. Before the project is completed and put into operation, the project management department exports the equipment inventory from the ERP system and submits it to the physical asset management department, the materials management department, and the finance department.

[0066] Automatic allocation module, used for automatic allocation of project costs.

[0067] Compared with existing technologies, the present invention offers the following advantages: It unifies the WBS architecture and flag attributes, defining asset attributes and expense nature at all project levels, unifying financial and business information management standards, and laying the foundation for equipment procurement and other expense allocation. It also establishes a standard library corresponding to the "four codes." It connects the entire chain of project materials, from engineering design and procurement to equipment asset formation. It clarifies various expense allocation rules and asset formation sources, enabling efficient and accurate automatic project cost allocation. It also refines various expense allocation rules and asset formation sources, enabling automatic aggregation of equipment asset value.

[0068] This invention migrates the traditional offline process online and, through a workflow, drives the entire project process from acceptance to final settlement and capital transfer in an online process. It utilizes technical means to standardize the management of the entire project management process, achieving orderly value transfer throughout the entire project process, real-time business query, and comprehensive information sharing. This fundamentally achieves the efficiency and quality of automatic cost allocation for projects. The concept of automatic cost allocation has been introduced into the engineering management of power systems, and the full process control of engineering costs has been achieved during the engineering implementation management process, making power engineering management more operational and engineering cost management more scientific. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] Attachment Figure 1 This is the data flow diagram based on the whole process management of the project

[0070] Attachment Figure 2 This is the flow chart of the automatic allocation of engineering costs based on the whole process management of the project.

[0071] Attachment Figure 3 This is the functional department relationship diagram for automatic allocation of engineering costs based on the whole process management of the project. DETAILED DESCRIPTION

[0072] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings:

[0073] Attachment Figure 1 The data flow diagram of the present invention based on the whole process management of the project is shown. Figure 2 , shows a flowchart of the automatic cost allocation method for engineering projects based on the full process management of the project. The method for automatic cost allocation for engineering projects based on the full process management of the project, according to the present invention, comprises the following steps:

[0074] S1. Maintain WBS allocation flags and automatically write them into WBS master data. Establish a correspondence between the standard WBS structure and WBS flags. The system solidifies WBS flags as a carrier for project estimates and budget control, used to determine the asset attributes and cost nature of each level of the project.

[0075] S1. Import and maintain detailed budget estimates for power grid projects. Based on the standard WBS structure for infrastructure projects and production technology upgrade projects, design and adjust the detailed budget structured template and implement system integration. Optimize and adjust the general template for detailed structured information for infrastructure main grid project budget estimates, and adjust the import function for detailed information.

[0076] S3. Integrated maintenance of equipment and material lists and linked creation of purchase requisitions. Design and development of a system management tool for equipment and material lists, supporting downloading, importing, modifying, and querying equipment and material list templates. Equipment and material lists are entered into the engineering cost software and transferred to the ERP system via an interface for subsequent linked creation of purchase requisitions.

[0077] S4. Accuracy verification of engineering material demand submission and delivery, and accuracy verification of engineering service demand submission;

[0078] S5. Maintain the correspondence between the "Four Codes" (material code, equipment type code, asset sub-category code, and WBS identification code) and conduct online approval workflow. Design and develop a batch maintenance function for the "Four Codes" correspondence in the ERP system to enable batch import, maintenance, and query of correspondence between equipment classification, asset classification, and material (group), as well as query of correspondence between material groups and standard WBS.

[0079] S6. One-click intelligent creation of engineering service purchase requisitions and purchase orders. Through customized configuration of WBS identification codes and service types, the standard purchase requisition creation procedure is automatically called to create purchase requisitions and purchase orders with one click.

[0080] S7. Maintenance and existence check of project budget details and actual start (completion) dates: When executing cost accounting (or fund payment) and project pre-capital transfer operations in the ERP system, the timely and accurate entry of "project budget details information", "actual start date" and "actual completion date" must be strictly checked.

[0081] S8. Contract execution status report display: Take the project as the smallest unit to obtain the engineering material and service procurement contract information on demand, and form a basic data table of engineering project contract execution status.

[0082] S9. Project costs are provisionally estimated and recorded. The system extracts the service purchase order amount and service confirmation amount, automatically calculates the provisional cost, and develops an online approval workflow to generate provisional cost vouchers.

[0083] S10. Project site acceptance inventory; before the project is completed and put into operation, the project management department will export the "Equipment Inventory" from the ERP system and submit it to the physical asset management department, material management department, and financial department.

[0084] S11. Automatic project cost allocation provides two methods: allocation based on the estimated cost ratio and analysis based on the equipment purchase value ratio.

[0085] In step S1, the WBS flag and WBS master data maintenance includes the following steps:

[0086] a.WBS allocation (list) flag maintenance and import function;

[0087] b. Create the "WBS flag" automatic writing function in the WBS architecture

[0088] In step S2, importing and maintaining the budget estimate includes the following steps:

[0089] a. Import function of power grid project budget details

[0090] b. Integration of power grid project budget details

[0091] In step S3, the material list integration includes the following steps:

[0092] a. Download, import, modify and query inventory templates through the equipment and material inventory system management tool;

[0093] b. Set up key information verification when importing or modifying equipment and material lists

[0094] c. The import of equipment and material lists supports the audit function of the finance department to ensure the accurate correspondence between the materials in the list and the WBS structure.

[0095] The equipment and material list is entered into the engineering cost software and the information is transferred to the ERP system through the interface for subsequent procurement application linkage creation business.

[0096] In step S5, the four-code correspondence maintenance includes the following steps:

[0097] a. Batch maintenance function for the corresponding relationship between the "four codes" (material code, equipment type code, asset category code and WBS identification code)

[0098] b. Approval workflow for the corresponding relationship between the "four codes" (material code, equipment type code, asset category code, and WBS identification code)

[0099] c. The system application enhances the batch maintenance function of the "four codes" (material code, equipment type code, asset sub-category code and WBS identification code) corresponding relationship of engineering material demand submission.

[0100] In step S6, creating a purchase application and a purchase order includes the following steps:

[0101] a. Select and input the project definition or project sub-item, service type, and automatically filter out the WBS corresponding to the service type.

[0102] b. The business department selects WBS and fills in information such as tax rate and amount

[0103] c. Automatically call the standard procedure for creating purchase requisitions to achieve one-click creation

[0104] In step S7, the verification includes the following steps:

[0105] a. Before the design and development project costs are recorded and the first payment is made, a strong check is performed to check whether the corresponding "actual start date" and project budget details have been maintained.

[0106] b. During the project pre-capitalization stage, check whether the "actual completion date" in the project master data is maintained

[0107] In step S9, the provisional accounting includes the following steps:

[0108] a. Calculate the provisional cost of engineering service procurement contracts for power grid projects that have not been fully recorded before the project is pre-funded.

[0109] b. Through online approval workflow, business department review and confirmation

[0110] In step S10, the acceptance and inventory process includes the following steps:

[0111] a. On-site acceptance inspection of power grid infrastructure-main grid project

[0112] b. On-site acceptance inspection of power grid infrastructure and distribution network projects

[0113] c. On-site acceptance and inventory of power grid production technical transformation projects

[0114] d. Equipment inventory generation and integration with PMS

[0115] e. Return equipment ledger information to the ERP system and create equipment cards

[0116] f. Equipment asset linkage function

[0117] In step S11, the specific allocation rules include the following steps:

[0118] (1) Apportionment by budget:

[0119] a. Based on the detailed estimate of construction and installation project costs, calculate the amount weight of each level and allocate the recorded costs to the construction and installation detailed WBS level.

[0120] b. Construction project cost allocation: Extract the value of the asset hierarchy based on the WBS mark and calculate the weight, and allocate the value of assets such as houses and buildings accordingly.

[0121] c. Installation project cost allocation: Establish a matching relationship between each cost and the detailed WBS based on the WBS flag, and directly match it to the installation equipment WBS level based on the value of each detailed level. Allocation is performed according to the specified equipment purchase value weight after allocation;

[0122] d. Allocation of other costs: Allocated to the corresponding construction and installation through WBS markers.

[0123] (2) Apportionment based on the purchase value of the equipment:

[0124] a. Based on the project's detailed WBS and asset category, calculate the actual cost and distinguish between direct equipment costs and costs to be allocated.

[0125] b. Calculate the value ratio of each equipment based on the direct equipment cost;

[0126] c. Costs to be shared in proportion to the value of the equipment (construction and installation first, then other expenses).

[0127] See attached Figure 3 , is a functional department relationship diagram for the automatic cost allocation system for project cost based on full-process project management of the present invention. According to the method described in the present invention, project management work is centered on the Finance and Assets Department, with other management departments assisting to achieve full-process control of the project. The specific responsibilities of each department are as follows:

[0128] Project approval stage: The development planning department is responsible for arranging the power grid planning and investment plan reasonably in combination with the power grid investment capacity and the power grid development needs; responsible for building the project WBS architecture according to the standard WBS architecture; responsible for inputting the project detailed estimate and the equipment and material list; the financial department is responsible for auditing the project WBS architecture building, the project detailed estimate; auditing and issuing the project investment budget; auditing the equipment and material list.

[0129] Project construction stage: The development planning department is responsible for the management and use of the project preliminary expenses, and timely handles the project preliminary expense settlement, accounting and data transmission, and transfers the relevant documents. The engineering management department is responsible for the project implementation and construction process management; the material department organizes the engineering material and service bidding procurement; the financial department is responsible for organizing the engineering cost accounting, statistics and analysis work; audits the material and service payment application and completes the fund payment.

[0130] Operation acceptance and pre-transfer stage: The engineering management department maintains the actual operation date, provides the equipment list to the financial department and the physical asset management department, and synchronously organizes the engineering site acceptance and inventory; the physical asset management department cooperates in the engineering site acceptance and inventory, and prepares the equipment acceptance list; the material management department is responsible for auditing the equipment application for withdrawal before the project operation, and cooperates in the engineering site acceptance and inventory. The financial department is responsible for auditing the asset card list data integrity and standardization; cooperates in the engineering site acceptance and inventory; responsible for the engineering construction, installation and other cost automatic allocation and pre-transfer work.

[0131] Engineering settlement stage: The engineering management department is responsible for organizing the construction unit to complete the construction contract settlement, preparing the settlement report and completing the department internal settlement price auditing work. The material management department organizes the collection of material settlement bills, timely provides the material receiving and shipping and invoice accounting procedures, and cooperates with the engineering management department to complete the engineering material application and withdrawal work. The development planning, engineering management, material management, physical asset management, etc. supplement and improve the “contract execution table”; the financial department is responsible for auditing the “contract execution table”.

[0132] Completion final accounts and formal transfer stage: The financial department is the final accounts management department, responsible for the project cost automatic allocation and final accounts transfer work according to the settlement result; responsible for organizing and coordinating the development planning, engineering management, material management, physical asset management, etc. to complete the engineering completion final accounts preparation work according to the responsibility division.

[0133] The engineering cost automatic allocation method based on the engineering whole process management unifies WBS architecture and flag bit attribute: is used for determining asset attribute and expense nature of each level of project, unifies financial and business information management standard, lays foundation for equipment purchase and other cost allocation; establishes "four code" corresponding standard library; links through whole chain link of project material from engineering design, material procurement, equipment asset formation; clearly defines various cost allocation rules; refines various cost allocation rules and asset formation sources, realizes automatic collection of equipment asset value.

Claims

1. The automatic allocation method of engineering costs based on the whole process management of the project is characterized by: The steps include: S1. Maintain WBS allocation flags and automatically write them into WBS master data, establish the correspondence between the standard WBS structure and WBS flags, and use them to determine the asset attributes and cost nature of each level of the project; S2. Import and maintain detailed budget estimates for power grid projects, design and adjust structured templates for detailed budget estimates, and implement system integration. S3. Integrated maintenance of equipment and material inventories and linked creation of purchase requisitions. Design and development of equipment and material inventory system management tools, inputting equipment and material inventories for subsequent linked creation of purchase requisitions. S3.

1. Download, import, modify, and query inventory templates through the equipment and material inventory system management tool; S3.

2. Set up key information verification when importing or modifying equipment and material inventories; S3.

3. The import of equipment and material lists supports the audit function of the finance department, ensuring the accurate correspondence between the materials in the list and the WBS structure; S3.

4. Enter the equipment and material inventory into the engineering cost software and transmit this information to the ERP system through an interface for subsequent procurement requisition linkage and business creation. S4. Accuracy verification of engineering material demand submission and delivery, and accuracy verification of engineering service demand submission; S5. Maintain the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes, and implement online approval workflows. This allows for batch import, maintenance, and query of correspondence between equipment classifications, asset classifications, and materials / material groups, as well as query of correspondence between material groups and standard WBSs. S6. Through custom configuration of WBS identification codes and service types, the standard purchase requisition creation procedure is automatically called, enabling one-click creation of purchase requisitions and purchase orders. S7. Maintaining and verifying the existence of project budget details and actual start / completion dates: This feature ensures that the project budget details, actual start dates, and actual completion dates are entered accurately and timely when executing cost accounting or fund payments, as well as project pre-capital transfer operations in the ERP system. S8. Contract execution status report display: Using projects as the smallest unit, obtain on-demand procurement contract information for engineering materials and services to form a basic data table on the execution of engineering project contracts; S9. Project cost estimates are recorded. The system extracts the service purchase order amount and service confirmation amount, automatically calculates the estimated cost, and develops an online approval workflow to generate estimated cost vouchers. S10. Project site acceptance inventory: Before the project is completed and put into operation, the project management department will export the equipment inventory from the ERP system and submit it to the physical asset management department, materials management department, and finance department; The project site acceptance inventory includes the following steps: S10.

1. On-site acceptance inspection of power grid infrastructure - main grid project; S10.

2. On-site acceptance inspection of power grid infrastructure and distribution network projects; S10.

3. On-site acceptance and inventory of power grid production technical transformation projects; S10.

4. Equipment inventory generation and integration with PMS; S10.

5. Return equipment inventory information to the ERP system and create equipment cards; S10.

6. Equipment asset linkage function; S11. Automatic allocation of project costs, including allocation based on the estimated cost ratio and allocation based on the equipment purchase value ratio; The apportionment according to the estimated proportion includes: calculating the weight of each level of amount based on the detailed estimated cost of construction and installation engineering; apportionment of construction engineering costs; apportionment of installation engineering costs; apportionment of other costs; The allocation based on the equipment purchase value ratio includes: distinguishing equipment costs and to-be-allocated costs based on the project detail WBS and asset category flag; calculating the value ratio of each equipment based on the directly generated equipment cost; and allocating costs based on the equipment value ratio.

2. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S1, the WBS allocation flag maintenance and automatic writing into the WBS master data include the following steps: S1.1.WBS allocation list flag maintenance and import function; S1.2.WBS architecture creates the WBS flag automatic writing function.

3. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S2, the budget estimate import and maintenance includes the following steps: S2.

1. Import function of power grid project budget details; S2.

2. Integration of detailed budget estimates for power grid projects.

4. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S5, maintaining the correspondence between the material code, equipment type code, asset subcategory code, and WBS identification code includes the following steps: S5.

1. Batch maintenance function for the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes; S5.

2. Approval workflow for the correspondence between material codes, equipment type codes, asset subcategory codes, and WBS identification codes; S5.

3. The system application of the correspondence between material codes, equipment type codes, asset subcategory codes and WBS identification codes submitted for engineering material requirements has been enhanced, and the correspondence between material codes, equipment type codes, asset subcategory codes and WBS identification codes can be maintained in batches.

5. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S6, the one-click creation of a purchase application and purchase order includes the following steps: S6.

1. Select and enter the project definition or project sub-item, service type, and automatically filter out the WBS corresponding to the service type. S6.

2. The business department selects the WBS and enters the tax rate and amount information; S6.

3. Automatically call the standard procedure for creating purchase requisitions to achieve one-click creation.

6. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S7, the maintenance existence check of the project budget details and actual start / completion date includes the following steps: S7.

1. Before recording design and development project costs and making the first payment, perform a strong check to ensure that the corresponding "Actual Start Date" and project budget details have been maintained. S7.

2. During the project pre-capital transfer phase, check whether the "Actual Completion Date" in the project master data is maintained.

7. The method for automatically allocating project costs based on full-process project management according to claim 1 is characterized in that: In step S9, the provisional accounting of the engineering cost includes the following steps: S9.

1. Calculate provisional costs for engineering service procurement contracts for power grid projects that have not been fully accounted for before project pre-capitalization; S9.

2. Go through the online approval workflow and the business department reviews and confirms.

8. An automatic project cost allocation system based on full-process project management, used to implement the method according to any one of claims 1 to 7, characterized in that: The system comprises: The maintenance module is used to maintain WBS allocation flags and automatically write them into WBS master data. It establishes the correspondence between the standard WBS structure and WBS flags, and is used to determine the asset attributes and expense nature of each level of the project. Import module, used for importing and maintaining detailed budget estimates for power grid projects, designing and adjusting structured templates for detailed budget estimates, and solidifying the system; Create a module for integrated maintenance of equipment and material inventories and linked creation of purchase requisitions. Design and develop a system management tool for equipment and material inventories, and enter equipment and material inventories for subsequent linked creation of purchase requisitions. The first verification module is used to verify the accuracy of engineering material demand submission and delivery, and engineering service demand submission; The relationship maintenance and approval module is used to maintain the correspondence between material codes, equipment type codes, asset sub-category codes, and WBS identification codes, and to create an online approval workflow. This module enables batch import, maintenance, and query of correspondence between equipment classifications, asset classifications, and materials / material groups, as well as query of correspondence between material groups and standard WBS. The configuration module is used to automatically call the standard purchase requisition creation procedure through custom configuration of WBS identification codes and service types, enabling one-click creation of purchase requisitions and purchase orders; The second verification module is used to verify the existence of the project budget details and actual start / completion dates. This module verifies the timely and accurate entry of the project budget details, actual start date, and actual completion date when executing cost accounting or fund payment, as well as project pre-capital transfer operations in the ERP system. The display module is used to display contract execution status reports: it uses projects as the smallest unit to obtain on-demand procurement contract information for engineering materials and services, and forms a basic data table on the execution status of engineering project contracts; The accounting module is used to record project cost estimates. The system extracts the service purchase order amount and service confirmation amount, automatically calculates the estimated cost, and develops an online approval workflow to generate estimated cost vouchers. The inventory module is used for on-site project acceptance and inventory. Before the project is completed and put into operation, the project management department exports the equipment inventory from the ERP system and submits it to the physical asset management department, the materials management department, and the finance department. Automatic allocation module, used for automatic allocation of project costs.

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