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Project progress tracking and adjustment method and system based on pert

A project progress and project technology, applied in PERT-based project progress tracking adjustment and system field, can solve problems such as poor rationality, low efficiency, lack of project consideration, etc.

Active Publication Date: 2021-04-09
STATE GRID SHANDONG ELECTRIC POWER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In large-scale construction projects, due to the complexity of the structure of the construction network diagram, most of the schedule planning methods adopt heuristic methods to adjust the maneuvering time when tracking and adjusting the progress, which is inefficient, less rational, and lacks consideration of the overall project

Method used

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  • Project progress tracking and adjustment method and system based on pert
  • Project progress tracking and adjustment method and system based on pert
  • Project progress tracking and adjustment method and system based on pert

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Embodiment Construction

[0058] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0059] The system structure of the present invention is as figure 1 shown. The structure is divided into data input module, preprocessing module, schedule module and tracking adjustment module.

[0060] figure 2 It is an overall flow chart of the present invention, image 3 Create a flow chart of the calculation example for the schedule, as shown in the figure. The specific steps to realize the PERT schedule planning method based on the improved time parameter estimation are as follows:

[0061] 1) Estimate the construction period of each process in the network plan diagram of a certain project code number according to the most pessimistic construction period b, select the construction path with the largest total construction period as the critical path, and express the obtained critical path as 1→2→3→4→ 5. The key process flow chart is as follows...

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PUM

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Abstract

The invention discloses a PERT-based project progress tracking and adjustment method and system. Based on the planned construction period obeying the β distribution, it demonstrates the scale principle that time parameter estimation should follow, and proposes a method of replacing the most optimistic time with the least time considering resource allocation. , clarify the estimation basis of the time parameter; and use the fitting method to obtain the β distribution corresponding to the time parameter; finally, further establish the cost-duration linear model, and solve the The progress plan is made, and a more reasonable progress plan is realized. The invention can solve the problems of time parameter estimation existing in the network plan review technology PERT due to inaccurate scales and failure to consider project resource constraints, which often cause deviations in the preparation of schedules and the like, and is suitable for the formulation, tracking and adjustment of schedules for large-scale construction projects.

Description

technical field [0001] The invention relates to a PERT-based project progress tracking and adjusting method and system. Background technique [0002] As the current project owners have higher and higher requirements for the project construction party, in order to ensure that the project is completed as required, the project construction party must formulate a reasonable project schedule, and track the actual progress of the project in real time and make timely corrections and adjustments. The planning and adjustment of the project are inseparable, but in the existing methods or technologies, the focus is on the formulation of the initial project plan, while the adjustment plan is mostly heuristic and depends on the experience of the construction party, lacking a linkage system with the planning. [0003] PERT (Program Review Technique) is widely used in the method of project schedule formulation. PERT is a network planning and evaluation technology that considers the uncert...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/10
CPCG06Q10/103
Inventor 刘志清高浩瀚张永武张映晖刘家远张学凯方敬韬刘佳刘效真
Owner STATE GRID SHANDONG ELECTRIC POWER
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