Articles with "relational analysis" as a keyword



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The forecasting of consumer exchange-traded funds (ETFs) via grey relational analysis (GRA) and artificial neural network (ANN)

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Published in 2021 at "Empirical Economics"

DOI: 10.1007/s00181-021-02039-x

Abstract: Our study uses the grey relational analysis (GRA) and artificial neural network (ANN) models for the prediction of consumer exchange-traded funds (ETFs). We apply eight variables, including the put/call ratio, the EUR/USD exchange rate, the… read more here.

Keywords: exchange; neural network; grey relational; relational analysis ... See more keywords
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The optimization of microalgal culturing in liquid digestate after struvite precipitation using gray relational analysis

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Published in 2018 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-018-1451-2

Abstract: Liquid digestate (LD) is highly turbid and contains ammonium (NH4+–N), which negatively influences microalgal growth. Therefore, a method of reducing LD turbidity and NH4+–N content is proposed, using struvite precipitation. To obtain struvite precipitation supernatant… read more here.

Keywords: gray relational; struvite precipitation; precipitation; relational analysis ... See more keywords
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Grey relational analysis using Gaussian process regression method for dissolved gas concentration prediction

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Published in 2019 at "International Journal of Machine Learning and Cybernetics"

DOI: 10.1007/s13042-018-0812-y

Abstract: The prediction of the dissolved gases content in an oil-immersed power transformer is very important for early fault detection. However, it is quite difficult to obtain accurate predictions due to the non-linearity of gas data.… read more here.

Keywords: gas; grey relational; method; relational analysis ... See more keywords
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Grey relational analysis-based genetic algorithm optimization of electrical discharge drilling of Nimonic-90 superalloy

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Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"

DOI: 10.1007/s40430-018-1045-4

Abstract: Nickel-based superalloys are being increasingly used in aerospace, automotive industries due to their excellent thermo-mechanical properties. These applications require complex shapes and profiles which may not be obtained by conventional machining processes. These materials are… read more here.

Keywords: analysis based; relational analysis; electrical discharge; discharge drilling ... See more keywords
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Optimizing selective laser sintering process by grey relational analysis and soft computing techniques

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Published in 2018 at "Optik"

DOI: 10.1016/j.ijleo.2018.08.040

Abstract: Abstract Selective laser sintering (SLS) is a novel fabrication technique with multiple industrial applications in different industrial sectors. Choosing optimum combination of elements which lead to the best component properties and lower process cost are… read more here.

Keywords: selective laser; laser; relational analysis; process ... See more keywords
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Multi-objective optimization using Taguchi based grey relational analysis in turning of Rock dust reinforced Aluminum MMC

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Published in 2020 at "Measurement"

DOI: 10.1016/j.measurement.2020.107664

Abstract: Abstract The present work deals with the optimization of material and machining parameters for surface finish and Material Removal Rate (MRR) enhancements while turning Aluminium/Rock dust composite through Taguchi and Grey Relational Analysis (GRA). Rock… read more here.

Keywords: grey relational; relational analysis; rock dust; rock ... See more keywords
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Optimization of self-compacting composite composition using Taguchi-Grey relational analysis

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Published in 2021 at "Materialia"

DOI: 10.1016/j.mtla.2021.101027

Abstract: Abstract This paper presents the results from the multi-performance optimization self-compacting concrete (SCC) mixtures containing fly ash and manufactured sand using Taguchi-Grey relational analysis which translates the performances of all the parametric variables into a… read more here.

Keywords: using taguchi; replacement; analysis; grey relational ... See more keywords
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An integrated approach for exploitation block selection of shale gas—based on cloud model and grey relational analysis

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Published in 2020 at "Resources Policy"

DOI: 10.1016/j.resourpol.2020.101797

Abstract: Abstract Under the background of energy shortage and environmental protection, the sustainable exploitation of new energy has received great attention from all around the world. Selecting the best exploitation block is an important way for… read more here.

Keywords: energy; exploitation; relational analysis; grey relational ... See more keywords
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Energy-absorbing analysis and reliability-based multiobjective optimization design of graded thickness B pillar with grey relational analysis

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Published in 2019 at "Thin-walled Structures"

DOI: 10.1016/j.tws.2019.106364

Abstract: Abstract The functionally graded property structures, as a relatively novel configuration with higher material utilization rate, have been increasingly captured researcher's attention to date. In this paper, a functionally graded thickness (FGT) B pillar, which… read more here.

Keywords: analysis; relational analysis; optimization; grey relational ... See more keywords
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Technical attribute prioritisation in QFD based on cloud model and grey relational analysis

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Published in 2020 at "International Journal of Production Research"

DOI: 10.1080/00207543.2019.1657246

Abstract: Promptly development of new products can be achieved through quality function deployment (QFD) process, which is critical to companies’ survival. Since the multi-criteria decision-making problem involved in QFD, a novel method integrating cloud model and… read more here.

Keywords: qfd; analysis; relational analysis; grey relational ... See more keywords
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Sensitivity analysis and optimisation of suspension bushing using Taguchi method and grey relational analysis

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Published in 2019 at "Vehicle System Dynamics"

DOI: 10.1080/00423114.2018.1489064

Abstract: ABSTRACT In this paper, a novel method is presented for investigating suspension bushing based on mechanical properties of the bushing, their effective directions, spring stiffness and damping coefficient of bushing. The vehicle vibration model and… read more here.

Keywords: relational analysis; method; suspension; suspension bushing ... See more keywords