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Wyszukujesz frazę "Manikandan, P." wg kryterium: Autor

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    Wyświetlanie 1-9 z 9
    Tytuł:
    Takagi Sugeno fuzzy expert model based soft fault diagnosis for two tank interacting system
    Autorzy:
    Manikandan, P.
    Geetha, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/229272.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    extended Kalman filter
    fault diagnosis
    fuzzy logic
    two-tank system
    Opis:
    The inherent characteristics of fuzzy logic theory make it suitable for fault detection and diagnosis (FDI). Fault detection can benefit from nonlinear fuzzy modeling and fault diagnosis can profit from a transparent reasoning system, which can embed operator experience, but also learn from experimental and/or simulation data. Thus, fuzzy logic-based diagnostic is advantageous since it allows the incorporation of a-priori knowledge and lets the user understand the inference of the system. In this paper, the successful use of a fuzzy FDI based system, based on dynamic fuzzy models for fault detection and diagnosis of an industrial two tank system is presented. The plant data is used for the design and validation of the fuzzy FDI system. The validation results show the effectiveness of this approach.
    Źródło:
    Archives of Control Sciences; 2014, 24, 3; 271-287
    1230-2384
    Pojawia się w:
    Archives of Control Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of mechanical alloying process on structural, mechanical and tribological behaviours of CNT reinforced aluminium composites – a statistical analysis
    Autorzy:
    Manikandan, P.
    Elayaperumal, A.
    Franklin Issac, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2173611.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    powder metallurgy
    composites
    morphology
    optimization
    wear
    metalurgia proszków
    kompozyt
    morfologia
    optymalizacja
    Opis:
    The mechanical and tribological properties of the Al/CNT composites could be controlled and improved by the method of its fabrication process. This research article deals with the optimization of mechanical and tribological properties of Al/CNT composites, which are fabricated using the mechanical alloying process with the different weight percentage of multi-walled CNT reinforcement. The phase change and the presence of CNT are identified using the X-Ray Diffraction (XRD) analysis. The influence of mechanical alloying process and the multi-walled CNT reinforcement on the mechanical, and tribological behaviours of the Al/CNT composites are studied. The optimal mechanical alloying process parameters and the weight percentage of multi-walled CNT reinforcement for the Al/CNT composite are identified using the Response Surface Methodology (RSM), which exhibits the better hardness, compressive strength, wear rate and Coefficient of Friction (CoF). The Al/CNT composite with 1.1 wt.% of CNT has achieved the optimal responses at the milling speed 301 rpm and milling time 492 minutes with the ball to powder weight ratio 9.7:1, which is 98% equal to the experimental result. This research also reveals that the adhesive wear is the dominant wear mechanism for the Al/CNT composite against EN31 stainless steel but the optimal Al/CNT composite with 1.1 wt.% of multi-walled CNT has experienced a mild abrasive wear.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; art. no. e136745
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Influence of mechanical alloying process on structural, mechanical and tribological behaviours of CNT reinforced aluminium composites – a statistical analysis
    Autorzy:
    Manikandan, P.
    Elayaperumal, A.
    Franklin Issac, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/2128149.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    powder metallurgy
    composites
    morphology
    optimization
    wear
    metalurgia proszków
    kompozyt
    morfologia
    optymalizacja
    Opis:
    The mechanical and tribological properties of the Al/CNT composites could be controlled and improved by the method of its fabrication process. This research article deals with the optimization of mechanical and tribological properties of Al/CNT composites, which are fabricated using the mechanical alloying process with the different weight percentage of multi-walled CNT reinforcement. The phase change and the presence of CNT are identified using the X-Ray Diffraction (XRD) analysis. The influence of mechanical alloying process and the multi-walled CNT reinforcement on the mechanical, and tribological behaviours of the Al/CNT composites are studied. The optimal mechanical alloying process parameters and the weight percentage of multi-walled CNT reinforcement for the Al/CNT composite are identified using the Response Surface Methodology (RSM), which exhibits the better hardness, compressive strength, wear rate and Coefficient of Friction (CoF). The Al/CNT composite with 1.1 wt.% of CNT has achieved the optimal responses at the milling speed 301 rpm and milling time 492 minutes with the ball to powder weight ratio 9.7:1, which is 98% equal to the experimental result. This research also reveals that the adhesive wear is the dominant wear mechanism for the Al/CNT composite against EN31 stainless steel but the optimal Al/CNT composite with 1.1 wt.% of multi-walled CNT has experienced a mild abrasive wear.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 2; e136745, 1--9
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    C7-Decompositions of the Tensor Product of Complete Graphs
    Autorzy:
    Manikandan, R.S.
    Paulraja, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/31341796.pdf
    Data publikacji:
    2017-08-01
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    cycle decomposition
    tensor product
    Opis:
    In this paper we consider a decomposition of Km × Kn, where × denotes the tensor product of graphs, into cycles of length seven. We prove that for m, n ≥ 3, cycles of length seven decompose the graph Km × Kn if and only if (1) either m or n is odd and (2) 14 | m(m − 1)n(n − 1). The results of this paper together with the results of [Cp-Decompositions of some regular graphs, Discrete Math. 306 (2006) 429–451] and [C5-Decompositions of the tensor product of complete graphs, Australasian J. Combinatorics 37 (2007) 285–293], give necessary and sufficient conditions for the existence of a p-cycle decomposition, where p ≥ 5 is a prime number, of the graph Km × Kn.
    Źródło:
    Discussiones Mathematicae Graph Theory; 2017, 37, 3; 523-535
    2083-5892
    Pojawia się w:
    Discussiones Mathematicae Graph Theory
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectral correlation studies of some substituted (E)-1-Benzylidene-2-(diphenylmethylene) hydrazines
    Autorzy:
    Arulkumaran, R.
    Manikandan, V.
    Christuraj, P.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1182844.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (e)-1-benzylidene-2-(diphenylmethylene) hydrazine
    ir and nmr spectra
    hammett correlations
    Opis:
    About ten substituted (E)-1-Benzylidene-2-(diphenylmethylene) hydrazine compounds have been synthesized. They are characterized by their analytical, ultraviolet, infrared and NMR spectral data. From infrared spectra, the CN and N+N vibrational frequencies (cm-1) of the hydrazines have been assigned. From NMR spectra, the chemical shifts (, ppm) of CH proton and C(C6H5)2 carbons of the hydrazines have been assigned. These data are correlated with Hammett substituent constants, F and R parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effect of substituents on the spectral data have been discussed.
    Źródło:
    World Scientific News; 2017, 62; 93-110
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and Hammett spectral QSAR analysis of some (E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-ones
    Autorzy:
    Vijayakumar, S.
    Manikandan, V.
    Arulkumaran, R.
    Christuraj, P.
    Sundararajan, R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1076503.pdf
    Data publikacji:
    2019
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-ones
    IR
    NMR spectra
    QSAR study
    UV
    regression analysis
    Opis:
    About nine substituted (E)-1-(4-methoxyphenyl)-3-phenylprop-2-en-1-ones have been synthesized by solvent-free method. These enones were analyzed by spectral techniques. The characteristic spectral frequencies were correlated through Hammett equation with Hammett substituent constants, F and R parameters using single and multi-regression analysis method. From the statistical analysis results, the quantitative structure activity relationships have been discussed by means of effects of substituents on the spectral frequencies.
    Źródło:
    World Scientific News; 2019, 115; 52-67
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and effects of substituent on (E)-styryl-3-methyl-2-thienyl chalcones
    Autorzy:
    Christuraj, P.
    Geetha, C.
    Vanangamudi, G.
    Arulkumaran, R.
    Manikandan, V.
    Rajakumar, P. R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1161056.pdf
    Data publikacji:
    2018
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-ones
    FT-IR & NMR spectra
    Fly-ash:H3PO4 nanocatalyst
    Hammett correlation analysis
    Substituent effects
    UV
    solvent-free synthesis
    Opis:
    Series of eleven substituted of (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-ones compounds by cross-aldol condensation reaction of 3-methylthiophene-2-carbaldehyde with various substituted acetaldehyde in the occurrence of Fly-Ash: H3PO4 catalyst. The effect of catalytic activity of this fly-ash:H3PO4 nanocatalyst was studied with the obtained yield of products under solvent-free conditions. The synthesized substituted (E)-3-(3-methylthiophen-2-yl)-1-phenylprop-2-en-1-one compounds was characterized by physical constants, UV, FT-IR, 1H & 13C-NMR spectral data. The infrared group frequencies of ʋ(cm-1) of COs-cis & s-trans, CHip and CHop, CH=CHop, >C=C
    Źródło:
    World Scientific News; 2018, 112; 55-73
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Synthesis and spectral Hammett correlation analysis of some (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds
    Autorzy:
    Christuraj, P.
    Rajakumar, P. R.
    Geetha, C.
    Vanangamudi, G.
    Arulkumran, R.
    Manikandan, V.
    Sundararajan, R.
    Thirunarayanan, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/1179576.pdf
    Data publikacji:
    2017
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-ones
    FT-IR and NMR spectra
    Hammett correlation analysis
    Substituent constants
    Substituent effects
    UV
    Opis:
    A series of substituted of (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds by cross-aldol condensation reaction of 5-bromothiophene-2-carbaldehyde with various substituted acetaldehyde in the presence sodium hydroxide (base). The synthesized substituted (E)-3-(5-bromothiophen-2-yl)-1-phenylprop-2-en-1-one compounds was characterized by physical constants, UV, FT-IR, 1H & 13C-NMR spectral data. The group frequencies of infrared ʋ(cm-1) of CO s-cis and s-trans, CH in-plane and out of plane, CH=CH out of plane, >C=C< out of plane modes, NMR chemical shifts δ (ppm) of Hα, Hβ, CO, Cα and Cβ of these chalcones were correlated with Hammett substituent constants, F and R parameters using single and multi-regression analyses.
    Źródło:
    World Scientific News; 2017, 74; 15-35
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Correlation analysis of substituted 2-((phenyl amino)methyl)-1,2-dihydro-5-(3-methoxyphenyl)-1-phenyl-1,2,4-triazole-3-thiones
    Autorzy:
    Thirunarayanan, G.
    Kamalkkannan, D.
    Suresh, R.
    Sakthinathan, S. P.
    Sundararajan, R.
    Arulkumara, R.
    Manikandan, R.
    Vanangamudi, G.
    Sathiyendiran, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/1194047.pdf
    Data publikacji:
    2015
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    1-2-4-triazole
    Hammett constants
    IR spectral
    NMR spectral
    Swain-Lupton’s parameters
    correlation
    multi-regression analysis
    Opis:
    A series of substituted 2-((phenyl amino)methyl)-1,2-dihydro-5-(3-methoxyphenyl)-1-phenyl-1,2,4-triazole-3-thione compounds were synthesized and examined their purities as per the literature. The IR spectra of νC=N, νC=S, νNH and νCOC frequencies and NMR chemical shifts (ppm) of δNH, δOCH3, δCH2, δC=N, δC=S, δOCH3 and δCH2 are also assigned. The assigned IR and both 1H NMR and 13C NMR spectral data have been correlated with Hammett substituent constants and Swain-Lupton’s parameters using single and multi-linear regression analysis. From the results of statistical analysis, the effect of substituents on the above spectral data has been studied.
    Źródło:
    World Scientific News; 2015, 12; 24-43
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-9 z 9

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