Method and device for determining fault range of r2r manufacturing system

Abstract

The invention discloses an R2R manufacturing system fault coverage determination method and device. The method comprises the steps that on the basis of correlation analysis among various stations of aflexible material (Roll to Roll, R2R) manufacturing system, physical analysis and a data driving method are combined to establish a relational expression describing multi-station process deviation and product final quality, a model of a variation stream (stream of variation, SoV) in controlled and uncontrolled states of the manufacturing system is established, a corresponding quality control chart used for monitoring autocorrelation data is established for product quality characteristic variables, the problem of high false alarm rate in fault determination methods of an existing single-factorcontrol chart, multi-factor control chart, a regression adjustment control chart and the like when a multi-station system is monitored is solved, especially when the process data has autocorrelation,and the technical problem that the abnormal failure in the manufacturing process cannot be monitored by adopting a conventional control chart under an independence assumption is solved.

Description

technical field [0001] The present invention relates to the field of information processing, in particular to a method and device for determining the fault range of an R2R manufacturing system. Background technique [0002] In recent years, breakthroughs have been made in research on wearable sensors, OLEDs, and thin-film solar cells using flexible thin films as substrate materials, and their industrialization and large-scale production needs have been put on the agenda. However, flexible film materials are anisotropic materials, and their deformations are diverse and uncertain, and they are prone to quality problems such as wrinkles, interlayer slippage, and damage. The roll-to-roll continuous manufacturing system has the advantages of high degree of automation, high production efficiency, and the production process is less affected by human factors, so it has become the best choice for the processing and manufacturing of flexible materials (Roll to Roll, R2R). [0003] R2...

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a method and device for determining the fault range of an R2R manufacturing system, which are used to solve the existing fault determination methods such as single-factor control charts, multi-factor control charts, and regression adjustment control charts when monitoring a multi-station system. The problem of high false alarm rate, especially when there is autocorrelation in the process data, the technical problem that the conventional control chart under the assumption of independence cannot be used to monitor the abnormal failure of the manufacturing process

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