Results 41 to 50 of about 1,892 (172)

Heuristic local search for fuzzy open shop scheduling [PDF]

open access: yes, 2010
We consider the fuzzy open shop scheduling problem, where task durations are assumed to be ill-known and modelled as triangular fuzzy numbers. We propose a neighbourhood structure for local search procedures, based on reversing critical arcs in the ...
González Rodríguez, Inés   +3 more
core   +1 more source

Adaptive beamforming using frequency invariant uniform concentric circular arrays [PDF]

open access: yes, 2007
This paper proposes new adaptive beamforming algorithms for a class of uniform concentric circular arrays (UCCAs) having near-frequency invariant characteristics.
Chan, SC, Chen, HH, Ho, KL
core   +1 more source

Effective arithmetic optimization algorithm with probabilistic search strategy for function optimization problems

open access: yesData Science and Management, 2022
This paper proposes an enhanced arithmetic optimization algorithm (AOA) called PSAOA that incorporates the proposed probabilistic search strategy to increase the searching quality of the original AOA.
Lu Peng, Chaohao Sun, Wenli Wu
doaj   +1 more source

Optimal Fuzzy Controller Design for Autonomous Robot Path Tracking Using Population-Based Metaheuristics [PDF]

open access: yes, 2022
This researchwas funded by projects TecNM-5654.19-P and DemocratAI PID2020-115570GB-C22.In this work, we propose, through the use of population-based metaheuristics, an optimization method that solves the problem of autonomous path tracking using a rear-
Mancilla, Alejandra   +1 more
core   +1 more source

Evaluation of several initialization methods on arithmetic optimization algorithm performance

open access: yesJournal of Intelligent Systems, 2021
Arithmetic optimization algorithm (AOA) is one of the recently proposed population-based metaheuristic algorithms. The algorithmic design concept of the AOA is based on the distributive behavior of arithmetic operators, namely, multiplication (M ...
Agushaka Jeffrey O., Ezugwu Absalom E.
doaj   +1 more source

Channel estimation for massive MIMO TDD systems assuming pilot contamination and flat fading [PDF]

open access: yes, 2018
Channel estimation is crucial for massive massive multiple-input multiple-output (MIMO) systems to scale up multi-user (MU) MIMO, providing great improvement in spectral and energy efficiency.
Cardoso, Fabbryccio A. C. M.   +3 more
core   +2 more sources

Damage detection for a large-scale truss bridge using Tranmissibility and ANNAOA [PDF]

open access: yes, 2023
In this paper, we propose an efficient approach to enhance the capacity of Artificial Neural Network (ANN) to deal with Structural Health Monitoring (SHM) problems.
BUI, Thanh Tien   +5 more
core   +3 more sources

Traffic Hotspot localization in 3G and 4G wireless networks using OMC metrics

open access: yes, 2015
In recent years, there has been an increasing awareness to traffic localization techniques driven by the emergence of heterogeneous networks (HetNet) with small cells deployment and the green networks. The localization of hotspot data traffic with a very
Chahed, Tijani   +2 more
core   +1 more source

2D Triangulation of Signals Source by Pole-Polar Geometric Models [PDF]

open access: yes, 2019
The 2D point location problem has applications in several areas, such as geographic information systems, navigation systems, motion planning, mapping, military strategy, location and tracking moves.
Domínguez Mayo, Francisco José   +3 more
core   +1 more source

A New Hybrid Improved Arithmetic Optimization Algorithm for Solving Global and Engineering Optimization Problems

open access: yesMathematics
The Arithmetic Optimization Algorithm (AOA) is a novel metaheuristic inspired by mathematical arithmetic operators. Due to its simple structure and flexible parameter adjustment, the AOA has been applied to solve various engineering problems.
Yalong Zhang, Lining Xing
doaj   +1 more source

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