Results 21 to 30 of about 20,897 (267)

Statistical Inference of Wiener Constant-Stress Accelerated Degradation Model with Random Effects

open access: yesMathematics, 2022
In the field of reliability analysis, the constant-stress accelerated degradation test is one of the most commonly used methods to evaluate a product’s reliability as degradation data are provided. In this paper, a constant-stress accelerated degradation
Peihua Jiang
doaj   +1 more source

Models of stochastic dynamics of development of industrial enterprises with lagging internal and external investments [PDF]

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2021
The article proposes new stochastic models of the dynamic development of enterprises that restore their production at the expense of internal and external lagging investments.
Alexander L. Saraev, Leonid A. Saraev
doaj   +1 more source

Fast Nonlinear Predictive Control Using Classical and Parallel Wiener Models: A Comparison for a Neutralization Reactor Process

open access: yesSensors, 2023
The Wiener model, composed of a linear dynamical block and a nonlinear static one connected in series, is frequently used for prediction in Model Predictive Control (MPC) algorithms.
Robert Nebeluk, Maciej Ławryńczuk
doaj   +1 more source

Stochastic model of innovation diffusion that takes into account the changes in the total market volume [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Математика. Механика. Информатика, 2022
The article proposes a stochastic mathematical model of the diffusion of consumer innovations, which takes into account changes over time in the total number of potential buyers of an innovative product.
Parphenova, Alena Yu., Saraev, Leonid A.
doaj   +1 more source

CHARACTERISTICS OF A RANDOM PROCESS IN PROBLEMS OF COMPUTER MODELING AND ENTROPY ANALYSIS OF SYSTEMS

open access: yesНадежность и качество сложных систем, 2021
Background. The present time is characterized by the intensive development of the means of informatization of society, the widespread introduction of digital systems and computer technologies with support for managerial decision-making.
A.V. Poltavskiy   +2 more
doaj   +1 more source

On the random search for a randomly moving particle

open access: yesJournal of Taibah University for Science, 2022
This paper discusses some methods based on the random search problem over the bound domain. The particle moves randomly with a bounded two-dimensional stochastic process in a bounded area.
Mohamed Abd Allah El-Hadidy
doaj   +1 more source

Research on two dimensional Wiener stochastic degradation model based on the wear model

open access: yesMATEC Web of Conferences, 2018
One dimensional Wiener degradation process is often used to describe the degradation of product performance. However one dimensional Wiener degradation process doesn’t sufficiently consider the relevance of multiple degradation factors and wear process ...
Zhang Hui, Yao Jun, Zhao Yan-Lin
doaj   +1 more source

A Unified Approach for the Identification of Wiener, Hammerstein, and Wiener–Hammerstein Models by Using WH-EA and Multistep Signals

open access: yesComplexity, 2020
Wiener, Hammerstein, and Wiener–Hammerstein structures are useful for modelling dynamic systems that exhibit a static type nonlinearity. Many methods to identify these systems can be found in the literature; however, choosing a method requires prior ...
J. Zambrano   +3 more
doaj   +1 more source

On the Representation of the Goursat Boundary Problem Solution for the First Order Partial Derivatives Stochastic Hyperbolic Equations

open access: yesИзвестия Иркутского государственного университета: Серия "Математика", 2023
We study the standard canonical form of a stochastic analog of a system of linear partial differential equations of first order hyperbolic type with Goursat boundary conditions.
K.B. Mansimov, R.O. Mastaliyev
doaj   +1 more source

On Wiener process sample paths [PDF]

open access: yesTransactions of the American Mathematical Society, 1970
Let { X t ( ω ) } \{ {X_t}(\omega )\} represent a version of the Wiener process having almost surely continuous sample paths on ( − ∞ , ∞ ) ( - \infty ,\infty ) that vanish at zero.
Foschini, G. J., Mueller, R. K.
openaire   +1 more source

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