Performability studies of automated manufacturing systems with multiple part types

Viswanadham, N. ; Pattipati, K. R. ; Gopalakrishna, V. (1995) Performability studies of automated manufacturing systems with multiple part types IEEE Transactions on Robotics and Automation, 11 (5). pp. 692-709. ISSN 1042-296X

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?...

Related URL: http://dx.doi.org/10.1109/70.466614

Abstract

We consider the transient performance analysis of failure-prone manufacturing systems producing multiple part types. We decompose the exact monolithic model into: 1) a slower time scale structure state process modeling the failure and repair, and 2) 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:Article
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ID Code:97782
Deposited On:08 Nov 2013 11:45
Last Modified:08 Nov 2013 11:45

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