Design and modeling of self-organizing manufacturing system in digital twin shop-floor

Author:

Song Jiaye,Zhang Zequn1ORCID,Tang Dunbing,Zhu Haihua,Wang Liping,Nie Qingwei

Affiliation:

1. Nanjing University of Aeronautics and Astronautics

Abstract

Abstract The increasing personalized product demands bring reformation to the manufacturing paradigm. Traditional manufacturing systems seldom analyze and give feedback on the data collected during production. The bottleneck between the physical and digital worlds of manufacturing systems is the lack of interoperability. In this paper, a digital twin-based self-organizing manufacturing system (DT-SOMS) is presented under the individualization paradigm. On the basis of interconnection between smart workpieces and smart resources via decentralized digital twin models, a decentralized self-organizing network is established to achieve intelligent collaboration between tasks and resources. The mechanism of job-machine optimal assignment and adaptive optimization control is constructed to improve the capabilities of reconfiguration and responsiveness of the DT-SOMS. An implement case is designed to illustrate that the proposed DT-SOMS can realize synchronized online intelligence in the configuration of resources and response to disturbances.

Publisher

Research Square Platform LLC

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