J
J. MacGregor Smith
Researcher at University of Massachusetts Amherst
Publications - 121
Citations - 3284
J. MacGregor Smith is an academic researcher from University of Massachusetts Amherst. The author has contributed to research in topics: Queueing theory & Layered queueing network. The author has an hindex of 31, co-authored 120 publications receiving 3109 citations. Previous affiliations of J. MacGregor Smith include University of Illinois at Urbana–Champaign.
Papers
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Topological network design of pedestrian networks
TL;DR: The design and analysis of series, merge, and splitting topologies of pedestrian networks is presented and an analytical approximation methodology is developed to compute the network performance measures.
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The generalized expansion method for open finite queueing networks
TL;DR: A new approximation technique for the analysis of general open finite queueing networks with finite capacities intractable except for very small networks is introduced.
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Generalized M/G/C/C state dependent queueing models and pedestrian traffic flows
TL;DR: It is demonstrated that the departure process and the reversed process of these generalized M/G/C/C queues is a Poisson process and that the limiting distribution of the number of customers in the queue depends on G only through its mean.
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Modeling circulation systems in buildings using state dependent queueing models
TL;DR: Use of the queueing models to analytically determine the optimal size and capacity of the links of the circulation systems is incorporated into a series of software programs available from the authors.
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Buffer space allocation in automated assembly lines
TL;DR: The Expansion Method, an analytical technique for modeling finite open queueing networks and Powell's unconstrained optimization procedure are integrated in a design methodology, which evaluates alternative line topologies, system throughputs, and their optimal buffer sizes.