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Tytuł:
Development for Sound Quality Optimisation by Taguchi Methods
Autorzy:
Sakamoto, H.
Tanabe, I.
Takahashi, S.
Powiązania:
https://bibliotekanauki.pl/articles/99574.pdf
Data publikacji:
2015
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
Taguchi method
optimum condition
innovation
Opis:
Characteristic that is hard to obtain in the calculation in product development. The sensory characteristic is often had such as sound quality, visual sensation and tactile sensation. The evaluation method for visualizing the determination of the customer is being established by applying Taguchi-methods and so on. The fact is still got many corresponds with the method of Try & Error as numbers of cases are small in order to optimize the properties. Therefore, the study was conducted of the method for optimization of sound quality by using the innovative tool using Taguchi-methods that newly developed. The research results are summarized as follows. (1) Sensory characteristic tuning method by using Taguchi-methods was calculated the values to be optimized in a few studies, and the result was equal to or greater than the result of specialists is carried out. (2) Commonly, the sensory characteristic of optimization is conducted with the method of Try & Error; moreover, it could be confirmed that leading to improvement of productivity by using this method even though it takes time to perform so as to optimize under changing in physical condition and environment.
Źródło:
Journal of Machine Engineering; 2015, 15, 2; 69-81
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of Software for Calculation of Best Condition Using Taguchi Methods and Its Evaluation
Autorzy:
Sakamoto, H.
Tanabe, I.
Takahashi, S.
Powiązania:
https://bibliotekanauki.pl/articles/100027.pdf
Data publikacji:
2015
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
Taguchi method
design
optimum condition
Opis:
Recently Taguchi methods are used to decide optimum processing conditions with narrow dispersion for robust design. On the other hand, innovative development with short-term, low cost, labor and energy saving is also required in the world. In this study, the software for development of a product with optimum condition using Taguchi methods is developed and evaluated. There are two trials in the software using Taguchi methods. First trial investigates rough functions regarding all levers of all control factors, then important control factors and meaningless control factors were sorted with the several comments for the second trial. At that time, maximum, intermediate and minimum values for each lever of each of the control factors should be used for pursuit of all possibilities. In the first trial, the relationship between each level value of each of the control factor and the desired property is also decided by the function, then the optimum combination using each level of each of the control factors were calculated for the second trial by using the function. The second trial is confirmed for the best combination using the estimated optimum level values. For example of an application, the optimum design for the paper craft “airplane” was investigated for evaluating this software in the experiment. It is concluded from the result that: (1) The proposed software was useful for developing with short-term and lower cost, (2) This tool could quickly and exactly decide the optimum design condition and (3) The paper craft “airplane“ with most long flying length is manufactured by using the developed software.
Źródło:
Journal of Machine Engineering; 2015, 15, 2; 44-54
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design of the usability of ceramic sanitary ware waste in cement production using the Taguchi method
Autorzy:
Toker, Melis Derdiyok
Perek, K. Tahsin
Powiązania:
https://bibliotekanauki.pl/articles/24148646.pdf
Data publikacji:
2023
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
cement
ceramic waste
Taguchi method
Opis:
The cement process is one of the industries where energy is consumed intensively. High levels the amount of carbon dioxide emission reaches since the nature of the raw materials used in its production. At this point, using industrial wastes and by-products containing oxides such as calcium, silica, alumina, and iron oxides blended cement reduces energy consumption and carbon dioxide emissions. In this study, the effects of using ceramic sanitary ware waste (CSW) instead of clinker on the cement grinding stage were investigated. The grinding tests were carried out with clinker in a ball mill, according to grinding parameters as ball filling ratio, ball diameter, and grinding time by using Taguchi method for optimization of cement grinding condition. The reference and blended cements with CSW were determined compressive strength.
Źródło:
Physicochemical Problems of Mineral Processing; 2023, 59, 5; art. no. 168256
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimizing of parameters dipping metallization of Taguchi method
Autorzy:
Woźniak, P.
Starosta, R.
Gruba, D.
Powiązania:
https://bibliotekanauki.pl/articles/243741.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
metallization
galvanizing
Taguchi method
optimizing
Opis:
Zinc coatings obtained by immersion metallization are an effective and economical way to protect against corrosion also for high carbon steels, foundry iron alloys. However, the difficulties encountered in surface preparation due to oxide contamination, as well as the presence of carbon (graphite) from the casting process or cast iron sludge, make cast irons zinc-plated by manufacturers reluctantly. The technological properties of the zinc baths and the technological properties of the coatings obtained vary considerably depending on the various impurity and alloying additives. The effect of zincing time significantly affects the thickness of zinc coatings and is dependent on the mass and thickness of the sample. The submerged object heats up faster or slower, depending on the thickness, and its temperature first reaches and then exceeds the melting point of the zinc. However, to avoid zinc over time, it is appropriate to respond to the current ISO standard EN 1461:2009, which specifies the minimum thickness of zinc coatings on steel substrate. The subject of the study was the optimization of parameters metallization using the Taguchi Method. The analysis took into account the influence of the immersion time and temperature of the bath of molten zinc on the thickness of the zinc coating. The test was conducted for three different times, i.e. 30, 60 and 150 seconds and for three different values of the temperature of the bath: 440, 460, 480 [°C]. In order to predict the thickness of the coating, multiple regression analysis was applied, which showed that the experiment was carried out correctly and falling within the limits of tolerance error.
Źródło:
Journal of KONES; 2017, 24, 3; 331-337
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of optical uniformity factors of backlight module using robust design method
Autorzy:
Wang, Ju-Chi
Fan, Yu-Cheng
Fang, Te-Hua
Tran, Anh-Son
Cheng, Yu-Ting
Powiązania:
https://bibliotekanauki.pl/articles/2060680.pdf
Data publikacji:
2022
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
backlight module
uniformity
Taguchi method
LightTools
Opis:
In order to meet the advent of the high-definition liquid crystal display (LCD) era, in addition to the high-quality panel manufacturing technology, how the backlight module can provide a uniform backlight with higher uniformity for a better experience in viewing, is a very important and urgent issue. In this study, the 15.6-inch side-in backlight module was used as the benchmark, and the Taguchi method was applied to find the high uniformity. The matching of the fishbone diagram affects the optical uniformity factor of the backlight module, such as the size of the light guide plate dot, the color of the plastic frame, the color of the fixed gel of the light guide plate, and the difference of the reflection surface. The optical analog software LightTools is used according to the orthogonal table. The signal-to-noise (S/N) ratio of the average uniformity characteristics is obtained, then it is converted into the best response factor of the factor response table and the factor reaction diagram. The homogeneity at 13 points is as high as 90.12%, which is 4.72% higher than the original design factor. The contribution of the four factors to the uniformity can be obtained by using the variance analysis. Finally, the influence of each factor level on the uniformity is discussed.
Źródło:
Optica Applicata; 2022, 52, 1; 5--20
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Properties of corrosive coated coatings multi-groove hardfacing on stainless steel
Autorzy:
Woźniak, P.
Powiązania:
https://bibliotekanauki.pl/articles/247869.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
corrosion
hardfacing
MIG
Taguchi method
seawater
Opis:
Using the pad welding technique it is possible to regenerate machine parts or improve surface properties such as abrasion, corrosion and aging resistance. To ensure optimum processing conditions and economic efforts should be made, while providing a high deposition efficiency for the small amount of metal in the pad weld substrate. The pad welding process for the test subject should be carried out by preheating to evaporate the moisture and reduce the porosity of the weld. This treatment is required depending on the carbon equivalent. The article presents the results of corrosion tests of multi-groove pads made with the MIG method on a steel substrate. The samples were made of C45E steel. The additional material was a wire made of stainless steel with the factory name CASTOMAG 4554S. The results of previously performed tests allowed determining the optimal process parameters at which we obtain the smallest share of the base material in the padding. Steel samples were prepared and preheated to 300ºC. The hardfacing process was carried out with constant parameters, i.e. current intensity, arc voltage, surfacing speed). Two protective gases were used to apply the additional material: CO2 and argon. The samples were subjected to corrosion tests in two environments (3.5% sodium chloride solution and 0.001 sulfuric acid solution). The assessment of corrosive properties was made on the basis of constant current measurements (potentiodynamic method). The influence of shielding gas on corrosion properties was demonstrated based on the tests.
Źródło:
Journal of KONES; 2018, 25, 3; 511-516
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Increased production of carrageenase by Pseudomonas aeruginosa ZSL-2 using Taguchi experimental design
Autorzy:
Ziayoddin, M.
Lalitha, J.
Shinde, M.
Powiązania:
https://bibliotekanauki.pl/articles/11042.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
production
carrageenase
Pseudomonas aeruginosa
Taguchi method
Opis:
The culture conditions for the production of carrageenase were optimized using one-factor-at-a-time method combined with orthogonal array design. With the one-factor-at-a-time method revealed optimal conditions for carrageenase production were 24 h of fermentation period, 28 °C incubation temperature at pH 8.0 with NaNO3 as nitrogen source and carrageenan as carbon source in MMS media. Further optimization of carrgeenase production by using orthogonal experimental design L9 (34) with four factors, temperature, pH, NH4NO3 and carrageenan with their relevant levels revealed optimised conditions for carrageenase production were temperature of 28 °C, pH 8.0, 2 g L-1 NaNO3 and 2 g L-1 carrageenan. The order of the factors affecting the fermentation process was found to be temperature > pH > NaNO3 > carrageenan. The temperature played a significant role on the carrageenase production. Higher carrageenase yield with activity of 0.542 ±0.045 U ml-1 was obtained in the optimised medium when compared to those of basal medium. Carrageenase hydrolysed products of carrageenan were identified by LC-ESI-MS as neocarrabiose, neocarrabiose-4 sulfate, neocarratetraose, neocarratetraose-4 sulfate, anhydrogalactose, galactose, galactose-4 sulphate and sulphate.
Źródło:
International Letters of Natural Sciences; 2014, 12, 2
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Suggested research method for testing selected tribological properties of friction components in vehicle braking systems
Autorzy:
Borawski, A.
Powiązania:
https://bibliotekanauki.pl/articles/387160.pdf
Data publikacji:
2016
Wydawca:
Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:
brakes
Taguchi method
friction
tarcie
hamulce
metoda Taguchi’ego
Opis:
The braking system is one of the most important systems in any vehicle. Its proper functioning may determine the health and life the people inside the vehicle as well as other road users. Therefore, it is important that the parameters which characterise the functioning of brakes changed as little as possible throughout their lifespan. Multiple instances of heating and cooling of the working components of the brake system as well as the environment they work in may impact their tribological properties. This article describes a method of evaluating the coefficient of friction and the wear speed of abrasive wear of friction working components of brakes. The methodology was developed on the basis of Taguchi’s method of process optimization.
Źródło:
Acta Mechanica et Automatica; 2016, 10, 3; 223-226
1898-4088
2300-5319
Pojawia się w:
Acta Mechanica et Automatica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dye removal from textile waste water using potato starch : parametric optimization using Taguchi design of experiments
Autorzy:
Ahmad, S. W.
Zafar, M. S.
Ahmad, S.
Mohsin, M.
Qutab, H. G.
Powiązania:
https://bibliotekanauki.pl/articles/204634.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
optimization
potato starch
Taguchi method
spent dye
Opis:
Typical textile waste water contains a high concentration of spent dye that can pose serious destructive impact on aquatic environment. Therefore, treatment of textile industry effluents is strictly imposed by the relevant government authorities and environmental protection agencies. During present studies, spent dye was removed using potato starch, an environmental friendly, biodegradable and cost effective coagulant, through coagulation/flocculation process. Analysis of variance (ANOVA) was performed that indicated the interaction of process parameters. It was observed that the interaction of temperature, pH and coagulant dosage were the most significant parameters that can affect the coagulation/flocculation process. So, temperature, pH and coagulant dosage were optimized by Taguchi optimization technique. The results indicated that maximum dye (about 27%) was removed when temperature, pH and coagulant dosage were kept at 55°C, 10 and 0.5% (w/v), respectively.
Źródło:
Archives of Environmental Protection; 2018, 44, 2; 26-31
2083-4772
2083-4810
Pojawia się w:
Archives of Environmental Protection
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Development of perfectly design system using Taguchi methods
Autorzy:
Sakamoto, H.
Tanabe, I.
Takahashi, S.
Powiązania:
https://bibliotekanauki.pl/articles/99412.pdf
Data publikacji:
2014
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
Taguchi method
production
management
optimum condition
innovation
Opis:
As swift development with low cost was required for the manufacturing in industry, CAE simulation was used to predict the result of the design process, and Taguchi methods was used to decide optimum conditions for minimizing the dispersion.In this study, the perfectly design system without trial production using CAE and Taguchi methods was developed and evaluated. Software for original Taguchi methods and software for productivity management were firstly created, these softwares were combined with established CAE, and software package was developed for estimating the optimum combination of design parameters. Then the quality and the functionality were advanced to gain the optimum condition for the maximum profit considering the function of the grading of products, the delinquent charge and the loss function in the quality engineering based on the developed software. The research results are summarized as follows. (1) Perfectly design system without trial production using Taguchi methods was developed for calculations of the grading products, adding the delinquent charge and the loss function. (2) The evaluation with Kami-copter contributes to the profit evaluation of the grading; the delinquent charge and the loss function with high dimensional accuracy and is evaluated effective on industry.
Źródło:
Journal of Machine Engineering; 2014, 14, 2; 69-80
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of blind microvias forming process in multilayer printed circuit boards
Analiza procesu formowania mikrootworów nieprzelotowych w wielowarstwowych płytkach obwodów drukowanych
Autorzy:
Borecki, J.
Felba, J.
Wymysłowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/192072.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Technologii Materiałów Elektronicznych
Tematy:
drążenie mikrootworów
metoda Taguchi
PCB
microvia laser drilling
Taguchi method
Opis:
The paper is focused on application of experiment design technique, called Taguchi method, and application of multi-criteria analysis, in blind microvias forming process in multilayer Printed Circuit Boards (PCBs). In the paper the results of investigations of microvia laser drilling are presented. The use of multi-criteria analysis is a helpful tool which should lead to manufacture microvias with aspect ratio (relation of via deep to via diameter) higher than 1, and diameter of via in the range of 25 to 350 μm. Finally, it is possible to manufacture blind microvias with aspect ratio about 6.5.
Artykuł jest poświecony zastosowaniu techniki planowania eksperymentu zwanej metodą Taguchi'ego oraz analizy wielokryterialnej w procesie formowania mikrootworów nieprzelotowych w wielowarstwowych płytkach obwodów drukowanych. W artykule zamieszczono wyniki doświadczeń w zakresie formowania mikrootworów techniką drążenia laserowego. Zastosowanie analizy wielokryterialnej jest pomocnym narzędziem pozwalającym na wytwarzanie mikrootworów, których współczynnik kształtu (stosunek głębokości otworu do jego średnicy) jest większy od 1, a średnica formowanych otworów zawiera się w przedziale od 25 do 350 μm. W rezultacie możliwe jest formowanie mikrootworów nieprzelotowych o współczynniku kształtu wynoszącym 6.5.
Źródło:
Materiały Elektroniczne; 2009, T. 37, nr 1, 1; 59-72
0209-0058
Pojawia się w:
Materiały Elektroniczne
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of geometric and flow parameters of solar air heater roughened with artificial roughness by Taguchi method
Autorzy:
Sahu, Mukesh Kumar
Mishra, Shivam
Kumar, Avinash
Powiązania:
https://bibliotekanauki.pl/articles/27312207.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
roughness
nusselt number
friction factor
Taguchi method
optimization
Opis:
The paper presents the investigation of the optimum design parameters of a solar air heater (SAH) having wire ribs as artificial roughness by using the Taguchi method. The solar air heater has arc shape roughness geometry with apex upstream flow on the absorber plate. The objective of this paper is to obtain a set of parameters that deliver maximum thermo-hydraulic performance. For this objective, a new parameter the thermo-hydraulic improvement parameter (ηTHIP), has been introduced. For the present analysis, the effects of Reynolds number (Re), relative roughness pitch (P/e), angle of attack (α), and relative roughness height (e/Dh), denoted by A, B, C, and D, respectively, have been considered. An (L18 = 61 · 3 2 ) orthogonal array (OA) was chosen as an experimental plan for applying the Taguchi method. The set of control factors for the solar air heater SAH which delivers the maximum Nusselt number (Nu), and minimum friction factor (fr) – are A6B2C2, and A1B1C3 respectively. To obtain the maximum THIP the experimental set-up requires only one single run using the parameter A6B2C2, hence there is no need to run it all 54 times.
Źródło:
Archives of Thermodynamics; 2023, 44, 3; 3--33
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of agarase production by alkaline Pseudomonas aeruginosa ZSL-2 using Taguchi experimental design
Autorzy:
Ziayoddin, M.
Lalitha, J.
Shinde, M.
Powiązania:
https://bibliotekanauki.pl/articles/11008.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
optimization
agarase
production
alkaline
Pseudomonas aeruginosa
Taguchi method
Opis:
The culture conditions for the production of extracellular agarase by Pseudomonas aeruginosa ZSL-2 were optimized using One-Factor-At-A-Time combined with orthogonal array design. One-Factor-At-A-Time method investigates the effect of time, temperature, NaCl, carbon sources, nitrogen sources and pH on agarase production. The optimized culture conditions obtained from the statistical analysis were temperature of 30 °C, pH 8.5, NH4NO3 2 g L-1 and agar 3 g L-1. The L9 orthogonal array design was used to select the fermentation parameters influencing the yield of agarase. The order of the factors affecting the fermentation process was found to be NH4NO3 > pH > agar > temperature, with temperature playing a significant role on the agarase production (p < 0.10). The higher yields than those in basal media culture were obtained in the final optimized medium with activity of 0.439 ± 0.013 U ml-1. Extracellular agarase hydrolysed agar into a range of oligosaccharides which were analysed by LC-ESI-MS spectrometry as anhydrogalactose, galactose, agarobiose, agarotetrose and agarohexaose.
Źródło:
International Letters of Natural Sciences; 2014, 12, 2
2300-9675
Pojawia się w:
International Letters of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of a Fuzzy Inference System for the Optimization of Material Removal Rate and Multiple Surface Roughness Characteristics in the Machining of GFRP Polyester Composites
Autorzy:
Singh, A.
Datta, S.
Mahapatra, S. S.
Powiązania:
https://bibliotekanauki.pl/articles/375921.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
GFRP
DOE
Fuzzy Inference System (FIS)
Taguchi method
Opis:
This paper presents a multi-objective extended optimization methodology applied in the machining of a randomly oriented GFRP rod. Design of Experiment (DOE) has been selected based on a L9 orthogonal array design with varying process control parameters like: spindle speed, feed rate and depth of cut. Multiple surface roughness parameters of the machined FRP product along with the Material Removal Rate (MRR) of the machining process have been optimized simultaneously. The Fuzzy Inference System (FIS) has been proposed for providing feasible means for the meaningful aggregation of multiple objective unctions into an equivalent single performance index (MPCI). This Multi-Performance Characteristic Index (MPCI) has been optimized using the Taguchi method. The approach adapted here is capable of overcoming limitations/assumptions of existing optimization methodologies available in the literature.
Źródło:
Decision Making in Manufacturing and Services; 2013, 7, 1-2; 19-42
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optimization of pure borax pentahydrate extraction from calcined tincal
Autorzy:
Abali, Y.
Bayca, S. U.
Edgunlu, G.
Powiązania:
https://bibliotekanauki.pl/articles/109778.pdf
Data publikacji:
2015
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
optimization
calcined tincal
borax
dissolution
leaching
Taguchi method
Opis:
In this study, conditions for the calcination process of tincal were investigated and the optimum calcination conditions for boron extraction from tincal were determined. The experimental parameters were dissolution temperature, solid-to-liquid ratio, dissolution time and stirring speed. The optimum dissolution parameter levels were determined to be temperature 80 °C, solid-to-liquid ratio 10 g/dm3, stirring speed 250 rpm and dissolution time 5 min.
Źródło:
Physicochemical Problems of Mineral Processing; 2015, 51, 2; 375-385
1643-1049
2084-4735
Pojawia się w:
Physicochemical Problems of Mineral Processing
Dostawca treści:
Biblioteka Nauki
Artykuł
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