Title

Expected response times for closed-loop multivehicle AMHS

Authors

Authors

D. Nazzal;L. F. McGinnis

Comments

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Abbreviated Journal Title

IEEE Trans. Autom. Sci. Eng.

Keywords

Markov chains; material handling systems; semiconductor tabs; MATERIAL-HANDLING SYSTEMS; GUIDED VEHICLE SYSTEMS; WAITING-TIMES; SINGLE-DEVICE; DESIGN; MODEL; Automation & Control Systems

Abstract

We present an analytical approach for estimating the expected time for an automated material handling system (AMHS) to respond to move requests at loading stations in a vehicle-based, unidirectional, closed-loop AMHS. The expected response times are important for estimating the expected work-in-process (WIP) levels at the loading stations for design purposes, and for evaluating the performance of the AMHS as delayed response can impact the production cycle times. The expected response time approximation is validated by comparing the analytical model to the simulation results using a SEMATECH 300 mm hypothetical fab data set.

Journal Title

Ieee Transactions on Automation Science and Engineering

Volume

4

Issue/Number

4

Publication Date

1-1-2007

Document Type

Article

Language

English

First Page

533

Last Page

542

WOS Identifier

WOS:000250374900006

ISSN

1545-5955

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