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Time-constraint-based scheduling optimization method for machining production process

A production process, time-constrained technology, applied in the direction of total factory control, total factory control, electrical program control, etc.

Active Publication Date: 2011-09-14
PINGGAO GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for optimal scheduling of mechanical processing production process based on time constraints, to solve the optimal scheduling problem existing in the traditional mechanical processing production process

Method used

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  • Time-constraint-based scheduling optimization method for machining production process
  • Time-constraint-based scheduling optimization method for machining production process
  • Time-constraint-based scheduling optimization method for machining production process

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Embodiment Construction

[0054] The steps of the optimal scheduling method for machining production process based on time constraints of the present invention are as follows:

[0055] 1) Process analysis to obtain the required data;

[0056] 2) According to the process analysis, describe the problem;

[0057] 3) According to the description of the problem, establish a mathematical model that can reflect the actual problem;

[0058] 4) Solve the established mathematical model according to the obtained data;

[0059] 5) According to the solution results, simulate the production process;

[0060] 6) Formulate an optimization and improvement plan for the machining production process.

[0061] Step 1) Process analysis:

[0062] The machining method refers to the process of directly changing the shape, size and surface quality of the blank in a certain order to make it a qualified part. The machining process is composed of many processes, including turning, milling, drilling, boring and grinding. Each...

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Abstract

The invention relates to a time-constraint-based scheduling optimization method for a machining production process. The method comprises the following steps of: setting workpieces to be machined and the number of the workpieces, determining the number and the operation parameters of all machining equipment and restricting the total machining time for finishing the machining of the batch of the workpieces; establishing a time-constraint-based mathematical model for production process optimization; solving the mathematical model by adopting a heuristic algorithm; simulating the machining production process by adopting simulation software; and formulating an equipment arrangement table and an equipment working bill to finish the optimization of the machining production process. Through the adoption of the method, the machining process characteristics and the logic relation embodied in the production scheduling can be fully utilized; a 0-1 integral scale model is established on the basis of time constraint; the model is solved by adopting the heuristic algorithm to obtain an optimized feasible solution and an optimized scheduling scheme; and therefore the time constraint-based scheduling optimization method is simple and practical and has the advantages of lowering the using cost of machines on the premise of ensuring the producing task requirements, decreasing the waste of resources and energy sources as well as production cost and improving the production benefit.

Description

technical field [0001] The invention belongs to the fields of information technology and advanced manufacturing, and relates to a time-constrained mechanical processing production process optimization scheduling method. Background technique [0002] Generally, the purpose of researching production process optimization is to shorten production time and reduce production cost, thereby improving the credibility of the enterprise. Because of this, many companies are now facing great pressure on customer trust. Therefore, effective production process optimization is very important and has attracted more and more attention of enterprises. In order to improve the market competitiveness of enterprises, many international large-scale manufacturing enterprises have begun to devote themselves to the research on production process optimization. [0003] It is an important research direction to solve production process optimization problems by establishing mathematical models and using...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P80/40Y02P90/02
Inventor 吴瀛峰赵利军王大伟
Owner PINGGAO GRP
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