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Hybrid Nature-Inspired Optimization for the Cell Formation Problem with Machine Reliability and Alternative Routings [PDF]

open access: yesBiomimetics
The Cell Formation Problem plays a fundamental role in cellular manufacturing due to its impact on efficiency, flexibility, and reliability. Its complexity increases under real-world conditions involving alternative process routes and machine reliability
Paulo Figueroa-Torrez   +6 more
doaj   +2 more sources

Uncertainty Analysis and Experimental Validation of Identifying the Governing Equation of an Oscillator Using Sparse Regression

open access: yesApplied Sciences, 2022
In recent years, the rapid growth of computing technology has enabled identifying mathematical models for vibration systems using measurement data instead of domain knowledge.
Yaxiong Ren   +2 more
doaj   +1 more source

A Novel Cell Layout Problem with Reliability and Stochastic Failures [PDF]

open access: yesInternational Journal of Supply and Operations Management, 2021
The facility layout design and Cell Formation (CF) problems are the important sectors in designing a cellular manufacturing system (CMS). These problems are interrelated and simultaneous consideration of them is essential for a successful design of CMS ...
Amir-Mohammad Golmohammadi   +3 more
doaj   +1 more source

Optimizing System Reliability in Additive Manufacturing Using Physics-Informed Machine Learning

open access: yesMachines, 2022
Fused filament fabrication (FFF), an additive manufacturing process, is an emerging technology with issues in the uncertainty of mechanical properties and quality of printed parts. The consideration of all main and interaction effects when changing print
Sören Wenzel   +2 more
doaj   +1 more source

AST-MTL: An Attention-Based Multi-Task Learning Strategy for Traffic Forecasting

open access: yesIEEE Access, 2021
Road traffic forecasting is crucial in Intelligent Transportation Systems (ITS). To achieve accurate results, it is necessary to model the dynamic nature and the complex non-linear dependencies governing traffic. The goal is particularly challenging when
Giovanni Buroni   +2 more
doaj   +1 more source

Evaluation of fatigue strength criteria for thick-walled nodular cast iron components from EN-GJS-400 under multiaxial load [PDF]

open access: yesMATEC Web of Conferences, 2019
This paper discusses the quality of common methods for estimating the fatigue strength of EN-GJS-400-18-LT specimens under multiaxial stress. This is particularly important for the lightweight design of wind turbines.
Fass Markus   +2 more
doaj   +1 more source

Optimal Design of Three-Stress Accelerated Degradation Test Plan for Motorized Spindle with Poor Prior Information

open access: yesMetals, 2022
Accurate optimal design for the test plan with limited prior information is impossible since the optimal design method of a three-stress accelerated degradation test plan for a motorized spindle is based on the determination of model parameters. In order
Hongxun Zhao   +5 more
doaj   +1 more source

Optimal Robot Motion for Accelerated Life Testing of a 6-DoF Industrial Robot

open access: yesApplied Sciences, 2020
In order to verify the reliability of drive components for industrial robots, component-level life tests must be accompanied by a system-level life test using actual robots in which predefined robot motions are repeated throughout the test.
Seungjin Yoo   +3 more
doaj   +1 more source

A Binary Black Widow Optimization Algorithm for Addressing the Cell Formation Problem Involving Alternative Routes and Machine Reliability

open access: yesMathematics, 2023
The Cell Formation Problem (CFP) involves the clustering of machines to enhance productivity and capitalize on various benefits. This study addresses a variant of the problem where alternative routes and machine reliability are included, which we call a ...
Paulo Figueroa-Torrez   +3 more
doaj   +1 more source

Fatigue Crack Initiation and Propagation Relation of Notched Specimens with Welded Joint Characteristics

open access: yesMetals, 2022
This study focuses on predicting the fatigue life of notched specimens with geometries and microstructure representative of welded joints. It employs 26 series of fatigue tests on welded and non-welded specimens containing notches located in different ...
Moritz Braun   +4 more
doaj   +1 more source

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