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| Симулация на сценарии на политики в системи за чакащи опашки× | Дискретно-събитийна симулация (DES)× | |
|---|---|---|
| Област | Симулационно моделиране | Симулационно моделиране |
| Семейство | Process / pipeline | Process / pipeline |
| Година на възникване≠ | 1909 (queueing theory); scenario application from 1960s–1970s OR literature | 1960s (formalized); modern computational form from 1970s onward |
| Създател≠ | Erlang, A. K. (foundation); generalized by operations research community | Banks, Carson, Nelson & Nicol (textbook lineage); foundational work by Tocher & Conway (1960s) |
| Тип≠ | Comparative simulation experiment | Stochastic process simulation |
| Основополагащ източник≠ | Kleinrock, L. (1975). Queueing Systems, Volume 1: Theory. Wiley-Interscience, New York. ISBN: 978-0471491101 | Banks, J., Carson, J.S., Nelson, B.L. & Nicol, D.M. (2010). Discrete-Event System Simulation (5th ed.). Pearson. ISBN: 978-0136062127 |
| Други названия≠ | PSQS, policy queueing analysis, queueing policy comparison, scenario-based queueing model | DES, event-driven simulation, Ayrık Olay Simülasyonu (DES) |
| Свързани≠ | 5 | 4 |
| Резюме≠ | Policy Scenario Queueing Simulation applies queueing theory and discrete-event simulation to evaluate two or more competing service or resource-allocation policies under realistic demand and capacity conditions. By holding the system structure constant and varying only the policy rules, analysts can directly compare throughput, waiting times, utilization, and equity outcomes before committing to real-world implementation. | Discrete-Event Simulation (DES) is a computational modeling paradigm in which the state of a system changes only at a countable sequence of points in time — the events. Between events nothing changes, so the simulation clock jumps directly from one event to the next. Formalized through the foundational textbooks of Banks, Carson, Nelson and Nicol and of Law in the 1960s–2000s, DES has become the standard tool for analyzing queuing systems, healthcare patient flows, manufacturing lines, and logistics networks where entities move through resources over time. |
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