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Scheduling method for cross-ring one-way circulation handling system

A one-way circulation and handling system technology, applied in the direction of transportation and packaging, conveyor control devices, furnaces, etc., can solve problems such as ineffective avoidance of interference, achieve the effects of reducing interference time, improving system efficiency, and increasing handling capacity

Pending Publication Date: 2019-08-06
SHANGHAI OCEAN UNIV
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Problems solved by technology

[0017] None of the above scheduling methods can effectively avoid interference

Method used

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  • Scheduling method for cross-ring one-way circulation handling system
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  • Scheduling method for cross-ring one-way circulation handling system

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Embodiment Construction

[0050] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation and structure of the scheduling method of the cross-ring one-way circulation transport system proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. , features and their effects are described in detail as follows.

[0051] The scheduling method of the cross-ring unidirectional circulation transport system of the present invention refers to an exchange-order scheduling algorithm (Exchange-order rule, E-order scheduling algorithm for short). In order to reduce the sequence scheduling algorithm in the S 1 To deal with the non-parallel interference generated by the stations, change the order of the processing stations where the non-parallel interference occurs on the basis of sequential scheduling, and propose a new optimal schedulin...

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Abstract

The invention relates to a scheduling method for a cross-ring one-way circulation handling system, which belongs to the technical field of scheduling of a flexible robot manufacturing unit. The scheduling method for the cross-ring one-way circulation handling system includes the following steps: after a small vehicle loads goods at a loading point, the small vehicle runs on a cross ring in a firstcircle according to a sequential scheduling algorithm; distributing Ji to a station point Sm(i); starting from a second circle, the goods are loaded by the small vehicle and sent to a treatment station point Su+1 for treating, when a lth (I>=2) circle is cycled, a first small vehicle V1 is treated on a treatment station Su; and subsequent small vehicles loaded with the goods are sequentially arranged according to the sequential scheduling algorithm, and are arranged to a treatment station Sw for treating. Compared with the prior art, in the case of same treatment time, an exchange order scheduling method of the scheduling method for the cross-ring one-way circulation handling system of the invention, is obviously superior to a random scheduling algorithm and the sequential scheduling algorithm, carrying capacity per unit time is increased, interference time of the entire handling system is reduced, and a purpose of improving the system efficiency is achieved.

Description

technical field [0001] The invention relates to a dispatching method, in particular to a dispatching method for a cross-ring one-way circulation transfer system, and belongs to the technical field of dispatching of flexible robot manufacturing units. Background technique [0002] Semiconductor Wafer Fabrication System (SWFS for short) is the most complex and expensive link in the semiconductor manufacturing process. Advanced SWFS production scheduling technology is particularly important for the economic benefits of the semiconductor manufacturing industry. A reduction of 1% will reduce the cost of millions of yuan, on the other hand, every 1% reduction of the manufacturing cycle will increase the output of tens of millions of yuan. [0003] In the semiconductor wafer manufacturing system, the automated material handling system (Automated Material Handling System, referred to as AMHS) that came into being to improve handling efficiency and reduce manual handling plays an imp...

Claims

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Application Information

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IPC IPC(8): B65G43/00B65G49/07
CPCB65G43/00B65G49/07
Inventor 李军涛上官春霞夏琨李都林
Owner SHANGHAI OCEAN UNIV
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