Reducing the time that TRM requires to solve systems of nonlinear equations

HH Dwail, MAK Shiker - IOP Conference Series: Materials …, 2020 - iopscience.iop.org
The trust region method is one of the important and effective ways to solve optimization
problems due to its robust and accuracy in its convergence. One of its disadvantages is that …

A modified technique to compute the minimal path sets for the reliability of complex network

FH Abd Alsharify, GA Mudhar… - Journal of Physics …, 2021 - iopscience.iop.org
Consider a complex network whose components either work or fail, there probabilities are
known. Our paper study two methods for the exact computation of the reliability network, the …

Nonlinear conjugate gradient method with modified Armijo condition to solve unconstrained optimization

HA Wasi, MAK Shiker - Journal of Physics: conference series, 2021 - iopscience.iop.org
Conjugate gradient methods more used in the field of unconstrained optimization,
particularly large scale problems, Armijo condition one of the simple rule are commonly …

Computing the reliability of a complex network using two techniques

FH Abd Alsharify, ZAH Hassan - Journal of Physics: Conference …, 2021 - iopscience.iop.org
To find the reliability of any complex network, we need to convert it into a simple network to
facilitate the process of reliability calculation. In this paper we simplify a complex network …

Increase the Reliability of Critical Units by Using Redundant Technologies

SAK Abbas, ZAH Hassan - Journal of Physics: Conference …, 2021 - iopscience.iop.org
In this article, we will look at the importance of each unit in a mixed system and attempt to
estimate the impact of their effect on the system's overall performance depending on their …

Using trust region method with BFGS technique for solving nonlinear systems of equations

HH Dwail, MAK Shiker - Journal of Physics: conference series, 2021 - iopscience.iop.org
The major aim of this paper is to find a solution for systems of non-linear equations, a new
method is suggested by combining the trust region method (TRM) with BFGS technique …

Use of ARINC Approach method to evaluate the reliability assignment for mixed system

SAK Abbas, ZAH Hassan - Journal of Physics: Conference …, 2021 - iopscience.iop.org
Open Access proceedings Journal of Physics: Conference series Page 1 Journal of Physics:
Conference Series PAPER • OPEN ACCESS Use of ARINC Approach method to evaluate the …

An application comparison of two Poisson models on zero count data

LH Hashim, KH Hashim… - journal of physics …, 2021 - iopscience.iop.org
Counting data (including zero counts) appear in a variety of applications, so counting
models have become popular in many fields. In statistical fields, count data can be defined …

Use of Bees Colony algorithm to allocate and improve reliability of complex network

G Abdullah, ZAH Hassan - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
The allocation of reliability and optimization for each part of the complex system has been
determined in this paper, in order to solve the problem of allocation and to improve network …

Use of a modified Markov models for parallel reliability systems that are subject to maintenance

ZAH Hassan - Journal of Physics: Conference Series, 2021 - iopscience.iop.org
In this paper, we shall describe the reliability function R (t) as probability that the system will
not malfunction within a given interval of execution times for maintained systems. Although …