Results 21 to 30 of about 6,393 (312)

Hidden opportunities to reduce order fulfilment costs [PDF]

open access: yesMATEC Web of Conferences, 2021
The purpose of the work is to draw attention to the existing hidden reserves of increasing the efficiency of systems, in which solutions for their optimisation are associated with the analysis of models of problems of the theory of queueing networks (for
Gerami Victoria, Shidlovskii Ivan
doaj   +1 more source

Shot-noise queueing models [PDF]

open access: yesQueueing Systems, 2021
AbstractWe provide a survey of so-called shot-noise queues: queueing models with the special feature that the server speed is proportional to the amount of work it faces. Several results are derived for the workload in anM/G/1 shot-noise queue and some of its variants.
Onno J. Boxma, Michel Mandjes
openaire   +5 more sources

Design and analysis of AGV-based cross-docking operations using analytical models

open access: yesProduction and Manufacturing Research: An Open Access Journal, 2022
Cross-docking is important for logistics because it reduces inventory, lead-times, and shipments. However, dynamic imbalances between supply and demand usually results in some inventory being warehoused in cross-docks.
Xiao He, Vittaldas V. Prabhu
doaj   +1 more source

Queueing Analysis of a Jockeying Model [PDF]

open access: yesOperations Research, 1995
In this paper, we solve a type of shortest queue problem, which is related to multibeam satellite systems. We assume that the packet interarrival times are independently distributed according to an arbitrary distribution function, that the service times are Markovian with possibly different service rates, that each server has its own buffer for packet
Yiqiang Zhao, Winfried K. Grassmann
openaire   +2 more sources

Synthetic residential load models for smart city energy management simulations

open access: yesIET Smart Grid, 2020
The ability to control tens of thousands of residential electricity customers in a coordinated manner has the potential to enact system-wide electric load changes, such as reduce congestion and peak demand, among other benefits. To quantify the potential
Fernando B. dos Reis   +3 more
doaj   +1 more source

Performance Modeling of Database Systems: a Survey

open access: yesJournal of Telecommunications and Information Technology, 2018
This paper presents a systematic survey of the existing database system performance evaluation models based on the queueing theory. The continuous evolution of the methodologies developed is classified according to the mathematical modeling language used.
Antonina Krajewska
doaj   +1 more source

On Probability Characteristics for a Class of Queueing Models with Impatient Customers

open access: yesMathematics, 2020
In this paper, a class of queueing models with impatient customers is considered. It deals with the probability characteristics of an individual customer in a non-stationary Markovian queue with impatient customers, the stationary analogue of which was ...
Yacov Satin   +4 more
doaj   +1 more source

Timed Petri Nets for Modeling and Performance Evaluation of a Priority Queueing System

open access: yesEnergies, 2023
The application of queueing theory is very broad. Examples include electronic communication systems and devices. New technologies, electronic communication systems, and devices are used by many modern organizations.
Dariusz Strzęciwilk
doaj   +1 more source

Analysis of a Discrete-Time Queueing Model with Disasters

open access: yesMathematics, 2021
Queueing models with disasters can be used to evaluate the impact of a breakdown or a system reset in a service facility. In this paper, we consider a discrete-time single-server queueing system with general independent arrivals and general independent ...
Mustafa Demircioglu   +2 more
doaj   +1 more source

Hardware acceleration of number theoretic transform for zk‐SNARK

open access: yesEngineering Reports, EarlyView., 2023
An FPGA‐based hardware accelerator with a multi‐level pipeline is designed to support the large‐bitwidth and large‐scale NTT tasks in zk‐SNARK. It can be flexibly scaled to different scales of FPGAs and has been equipped in the heterogeneous acceleration system with the help of HLS and OpenCL.
Haixu Zhao   +6 more
wiley   +1 more source

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