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Batch preparation continuous single-processing prediction control scheduling method

A technology of predictive control and scheduling method, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve problems such as inapplicability

Active Publication Date: 2013-08-14
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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Problems solved by technology

It is mainly aimed at the program job scheduling in the computer system, not suitable for workshop job scheduling

Method used

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  • Batch preparation continuous single-processing prediction control scheduling method
  • Batch preparation continuous single-processing prediction control scheduling method
  • Batch preparation continuous single-processing prediction control scheduling method

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] The overall flowchart of the predictive control scheduling method for batch preparation and continuous order processing in the present invention is shown in the attached figure 1 shown. Taking the electroplating process in the semiconductor back-end manufacturing process as an example to illustrate, figure 2 , image 3 Result plots of different scheduling methods. in, figure 2 In order not to predict in advance, an example diagram of manual scheduling that is commonly used by enterprises to start processing after a certain batch is met; image 3 An example diagram of predictive control scheduling proposed by the present invention. Comparing these two figures, it can be known that the use of the predictive control scheduling algorithm of the present invention meets the requirements of Makespan, minimizes the maximum completion tim...

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Abstract

The invention discloses a batch preparation continuous single-processing prediction control scheduling method and belongs to the field of production planning and scheduling. Batch preparation continuous single-processing refers to that a machine can be started for processing only when the production task reaches a certain batch, but during processing, all production tasks are subjected to processing continuously one by one rather than in one step; and the method is used for continuous processing production on an assembly line, such as high-speed plating line equipment in the rear encapsulation test production process of semi-conductors. The invention aims to provide a scheduling control method for forecasting in advance, which is used for forecasting equipment start-up time in advance, that is, when the production task doesn't reach the minimum batch, the machine can be started to start processing, and meanwhile the minimum processing batch after start-up is met. Not only are the requirements on batch start-up production of large-scale equipment of an enterprise met, but also the Makespan requirement is met, the production is accelerated and the production period is shortened.

Description

technical field [0001] The invention relates to a predictive control scheduling method for batch preparation and continuous single processing, which belongs to the field of production planning and scheduling, and is especially invented for the scheduling control of high-speed electroplating line equipment in the electroplating process in the back-stage semiconductor manufacturing process. Background technique [0002] The level of production management determines the direct operating benefits of an enterprise, which mainly includes three stages: production planning, production scheduling and production control. Among them, production scheduling is a key link in the field of production management. It undertakes the rough arrangement of production planning and at the same time gives more detailed production arrangements for the control of the production workshop. With the improvement of the degree of automation and information in the manufacturing industry, production scheduli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 史海波姚丽丽刘昶张诗珊
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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