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Research Papers

Empirical Study on the Dissipative Structure Model of Manufacturing Systems Based on Entropy Approach

[+] Author and Article Information
Zhifeng Zhang

Associate Professor
Economics and Management School,
Nanchang Hangkong University,
Nanchang 330063, China
e-mail: zzf7766@hotmail.com

Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received August 15, 2013; final manuscript received September 17, 2014; published online November 7, 2014. Assoc. Editor: Qingze Zou.

J. Dyn. Sys., Meas., Control 137(4), 041003 (Apr 01, 2015) (7 pages) Paper No: DS-13-1321; doi: 10.1115/1.4028640 History: Received August 15, 2013; Revised September 17, 2014

The operation of manufacturing systems can be effectively monitored through analysis and measurement of the information of various states of manufacturing systems. Based on analyzing the trait of dissipative structure of manufacturing systems, a sketch of dissipative structure of manufacturing systems is shown. By the correlation between control variables and state variables of cusp catastrophe theory, a dissipative structure model is established, making it possible to quantitatively determine when manufacturing systems may form dissipative structure. According to the definition of the information entropy of manufacturing systems, the models of expected state entropy, and actual state entropy are built up, respectively, thus serving the purpose of exactly assessing the operational states of the systems by the model of dissipative structure. Taking a job shop of implementing cellular manufacturing as an example, using established dissipative structure model and its solved method, this paper quantitatively determines whether the manufacturing systems may form dissipative structures under two different states. The result fairly validates the reasonableness of this method and also provides an effective approach for the optimization of manufacturing systems.

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Figures

Grahic Jump Location
Fig. 1

Sketch of dissipative structure of manufacturing systems

Grahic Jump Location
Fig. 2

Sketch of functional layout of the job shop

Grahic Jump Location
Fig. 3

Sketch of cellular layout of the job shop

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