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Performability Studies of Automated Manufacturing Systems with Multiple Part Types

Viswanadham, N and Pattipati, KR and Gopalakrishna, V (1995) Performability Studies of Automated Manufacturing Systems with Multiple Part Types. In: IEEE Transactions on Robotics and Automation, 11 (5). pp. 692-709.

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In this paper, we consider the transient performance analysis of failure-prone manufacturing systems producing multiple part types. We decompose the exact monolithic model into (a) slower time scale structure state process modeling the failure and repair and (b) a faster time scale performance model describing the part processing and the material movement. We combine the solution of these two models to show that the accumulated reward over a given time interval is a solution of a set of forward or adjoint multidimensional linear hyperbolic partial differential equations. This result generalizes the existing results on composite performance-dependability analysis of manufacturing systems. We also present efficient numerical methods for computing the distribution of the cumulative operational time, and the mean and variance of the cumulative production over a given time interval. Further, we bring out the significance of these results in the manufacturing systems context through several examples.

Item Type: Journal Article
Publication: IEEE Transactions on Robotics and Automation
Publisher: IEEE
Additional Information: Copyright of this article belongs to IEEE.
Department/Centre: Division of Electrical Sciences > Computer Science & Automation
Date Deposited: 22 Aug 2008
Last Modified: 19 Sep 2010 04:38
URI: http://eprints.iisc.ac.in/id/eprint/10997

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