• Title/Summary/Keyword: taguchi method

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Application of Taguchi's Robust Design Method in Optimization of Measuring Electrical Properties on Acupoints: A Pilot Study (Taguchi 실험계획법을 이용한 경혈점의 피부전기특성 최적화조건 선정 : A Pilot Study)

  • Nam, Tong-Hyun;Shin, Sang-Hoon
    • Korean Journal of Acupuncture
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    • v.25 no.3
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    • pp.15-27
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    • 2008
  • Objectives : The objective of the current study is to optimize an acupoint electrical property measurement system by using the procedures and strengths of the Taguchi method. Methods : Taguchi method was applied in the optimization of the acupoint electrical property measurement system, as in the following steps: (1) determine evaluation index; (2) execute the 1st gage R&R; (3) identify controllable and uncontrollable factors; (4) design Taguchi crossed array layout; (5) execute experiments according to trial conditions; (6) analyze testing results; (7) determine optimum run; (8) execute the 2nd gage R&R; (9) confirm optimum run. Results : The results showed that electrodes with larger diameter and efferent electric current, with music played, can produce the larger different electrical conductivity between the acupoints and the non-acupoints under various conditions. Taguchi process optimization improved repeatability and reproducibility of the acupoint electrical property measurement system. Conclusions : In the optimized condition, repeatability and reproducibility of the acupoint electrical property measurement system was acceptable.

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A Study on Improving Lecture Satisfaction using Taguchi Method (다구찌 기법을 적용한 강의만족도 향상 사례 연구)

  • Ree, Sangbok
    • Journal of Korean Society for Quality Management
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    • v.42 no.1
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    • pp.63-70
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    • 2014
  • Purpose: This article introduces a case study of using Taguchi Method to improve lecture satisfaction. Developed by Taguchi Genichi, this method has its strength in finding the control factor that is robust against noise factor. Finding the condition for such control factor has an effect of reducing the dispersion of the Lecture satisfaction. Methods: There are various factors in university classrooms. The factors which influenced the Lecture Satisfaction are analyzed by control factors and noise factors, control factors which is controllable are lecture completeness and thoroughly test the degree of supervision and noise factors which is not controllable is degree of physical and psychological Lecturer tired, then the experiment is conducted as guided by Taguchi's experimental design, one semester are experimented by eight professor with 2 classes, after discussion of the results the optimal lecture condition is suggested. Results: To improve Lecture Satisfaction under noise factor of physical and psychological Lecturer tired, optimal condition are that lecture completeness have scenario note during lecture and thoroughly test the degree of supervision have two proctors during test. Conclusion: In this paper, we have succession case by applying Taguchi methods in Lecture Satisfaction. We can apply to improve service by applying the Taguchi methods. In the future we hope to have many succession cases.

Optimal Design of Smart Panel using Taguchi Method (다구찌법을 이용한 스마트 판넬의 최적 설계)

  • Zhao, Lijie;Kim, Heung-Soo;Kim, Jae-Hwan
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2005.05a
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    • pp.188-191
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    • 2005
  • Taguchi method is used to determine the optimal configuration of PZT (Lead Zirconate-Titanate) patch on the host structure for improving the performance of piezoelectric shunt system. The charges generated on the surface of PZT patch are selected to be the objective function in the Taguchi method. Full three dimensional finite element models are used to simulate vibration of smart panel and to obtain the admittance of the piezoelectric shunt system. Using Taguchi method in Minitab, the optimal model is obtained. The experiment with piezoelectric shunt circuit is performed to verify the validity of the optimal model comparing with initial model.

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A Study on the Friction Characteristics of Automotive Composites Brake Pads Using Taguchi Method (다구치 방법을 이용한 복합재료 자동차용 마찰재의 마찰특성에 관한 연구)

  • Kim, Yun-Hae;Lee, Jeong-Ju
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.26 no.4
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    • pp.660-666
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    • 2002
  • It has many variables and factors to design the friction materials for automotive brake pads. The purpose of this study is to develop the proper method for design of low-cost and to know friction characteristics of each raw materials. For the purpose of examining the effect of each major raw materials, we used the Taguchi L9(3$^4$)orthogonal matrix and 1/5 scale dynamo machine for evaluation of the friction characteristics of composite brake pads. By adapting the Taguchi method, it is easy to investigate the influence of each component in complicated composites friction materials. After analyzing the testing results by the Taguchi method, the effect of factors and levels influenced friction behavior was studied.

The Study on the Mechanical Properties of PP-Wood Materials according to Modifier Using Taguchi Method (다구찌 방법을 이용한 PP-Wood 소재에서 개질제의 첨가에 의한 기계적 특성 평가 연구)

  • Min, Young-Cho;Kang, Yun-Jin;Kang, Kyong-Sik
    • Proceedings of the Safety Management and Science Conference
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    • 2010.04a
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    • pp.293-301
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    • 2010
  • Wood-PP composite materials were prepared by Taguchi robust design method with L9 orthogonal array to optimize experimental conditions. Tensile strength of the composite materials was considered as the main properties. Amount of wood powder and modifier of resin were chosen as significant parameters. As the result of Taguchi analysis in this study, the amount of wood powder was the most influencing parameter on the increase of tensile strength. The optimal conditions were determined and these results were good agreement with data analyzed by Taguchi robust design method.

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Study on the Optimal Design of an Intake System Using the Two Microphones Method and the Taguchi Method (두 음향 탐촉자법과 다구찌방법을 이용한 흡기계의 최적설계에 관한 연구)

  • 이종규;박영원;채장범;장한기
    • Transactions of the Korean Society for Noise and Vibration Engineering
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    • v.14 no.2
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    • pp.87-94
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    • 2004
  • In this paper, the experimental design of an intake system was studied using the two microphones method and the taguchi method. The transmission loss was utilized to represent the performance of noise reduction for the intake system which was estimated by measuring sound power at inlet and outlet with two microphones, respectively. Two microphones method used in this paper was followed by wave decomposition theory. The robust designing parameters of an intake system were extracted by adapting a cost function with the taguchi method, which optimized the process. Finally the effectiveness of the propose method was validated with the experimental data.

Study on the Optimal Design of an Intake System Using the Two Microphones Method and the Taguchi Method (두 음향 탐촉자법과 다구찌방법을 이용한 흡기계의 최적설계에 관한 연구)

  • 이종규;박영원;채장범;장한기
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • 2003.05a
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    • pp.114-119
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    • 2003
  • In this paper, the experimental design of an intake system was studied using the two microphones method and the taguchi method. The transmission loss was utilized to represent the performance of noise reduction for the intake system which was estimated by measuring sound power at inlet and outlet with two microphones, respectively. Two microphones method used in this paper was followed by wave decomposition theory The robust designing parameters of an intake system were extracted by adapting a cost function with the taguchi method, which optimized the process. Finally the effectiveness of the propose method was validated with the experimental data.

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Optimization for Thermal spray Process by Taguchi Method (다구찌 기법을 이용한 용사코팅의 공정 최적화)

  • Kim, K.T.;Kim, Y.S.
    • Journal of Power System Engineering
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    • v.16 no.2
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    • pp.54-59
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    • 2012
  • In the present study, process optimization for thermal-sprayed Ni-based alloy coating has been performed using Taguchi method and analysis of variance(ANOVA). Ni-based alloy coatings were fabricated by flame spray process on steel substrate, and the hardness test and wear test were performed. Experiments were designed as per Taguchi's L9 orthogonal array and tests were conducted with different Oxygen gas flow, Acetylene gas flow, Powder feed rate and Spray distance. Multi response signal to noise ratio (MRSN) was calculated for the response variables and the optimum combination level of factors was obtained simultaneously using Taguchi's parametric design.