• Title/Summary/Keyword: evaluation dimensions

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Development of Questionnaire for Automobile Seat Comfort Evaluation (자동차 시트의 안락도 평가를 위한 문항개발에 관한 연구)

  • Kim, Jung-A;Na, Ho-Jun;Cho, Dong-Hwan;Shin, Yun-Ho;Park, Se-Jin;Kim, Jin-Ho
    • Science of Emotion and Sensibility
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    • v.13 no.2
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    • pp.381-390
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    • 2010
  • The automotive seat comfort evaluation was to begin a key aspect in seat design. It depended largely on the basic mechanical aspect such as geometric parameters of seat, choice of suspension system and cushion material used. Until recently, seat comfort evaluation advanced to evaluate subjective sensitivity of human. The external literatures showed in the last decade, there have been very few attempts to establish and document automotive seat comfort evaluation. In 2006 Smith, D. proposed the statistically reliable tool in giving a numeric rating for set comfort and the tool was used in the many country. On the other hands, we, in Korea, had not the reliable tool for the automotive seat comfort evaluation. So that, we studied to develope the questionnaire for seat comfort evaluation based on Smith, D.(2006) and some studies. As a result, we developed 36 contents for the automotive seat comfort evaluation with the help of professional in Korean automotive industry. Here, 36 contents were identified as the dimensions that represent the human sensitivity and psychological feeling on comfortable seat. Also, we derived the priorities for the 36 contents by using analytic hierarchy process (AHP), based on the judgments of 30 experts and drivers. This study will help the designers and developers clarify the conceptual and abstract aspect of the design evaluation by proposing a more systematic and process-oriented method.

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The optimisation method of the elastic-plastic spatial grid structures

  • Karczewski, Jan
    • Steel and Composite Structures
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    • v.3 no.4
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    • pp.277-287
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    • 2003
  • The low boundary of load carrying capacity of the elastic-plastic spatial grid structures depend on numerous values and their variability assumed in designing process. Analysed influence all this values in searching for optimal variant of the structure lead to too great problem even taking into consideration actual computational power we have in disposal. Therefore one can take only a few values which have greatest influence on the optimal choice. In optimal analysis of the elastic-plastic spatial grid structures the previously proposed method with subsequent modification (Karczewski 1980), (Karczewski, Barszcz and Donten 1996), (Karczewski and Donten 2001) as well as computer program which was worked out by Donten K. to make possible practical utilisation this method was employed. The paper deal with evaluation of influence dimensions of particular values for choice of optimal variant of the structure. One among this values is distribution of the struts in the structure.

Optimal Network Design with Hooke-and-Jeeves Algorithm (Hooke-and-Jeeves 기법에 의한 최적가로망설계)

  • 장현봉;박창호
    • Journal of Korean Society of Transportation
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    • v.6 no.1
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    • pp.5-16
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    • 1988
  • Development is given to an optimal network design method using continuous design variables. Modified Hooke-and-Jeeves algorithm is implemented in order to solve nonlinear programming problem which is approximately equivalent to the real network design problem with system efficiency crieteria and improvement cost as objective function. the method was tested for various forms of initial solution, and dimensions of initial step size of link improvements. At each searching point of evaluating the objective function, a link flow problem was solved with user equilibrium principles using the Frank-Wolfe algorithm. The results obtained are quite promising interms fo numbers of evaluation, and the speed of convergence. Suggestions are given to selections of efficient initial solution, initial step size and convergence criteria. An approximate method is also suggested for reducing computation time.

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The Effects of Mothers' Parental Attitudes on Children's Clothing Benefits with Moderating Effects of Clothing Involvements (어머니의 양육태도가 자녀의복 추구혜택에 미치는 영향과 의복관여의 조절효과)

  • Youn, Cho-Rong;Chung, Kyung-Hwa;Lee, Yu-Ri
    • Journal of the Korean Home Economics Association
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    • v.47 no.3
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    • pp.11-22
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    • 2009
  • The purpose of this study was to identify the benefits in children’'s wear sought by mothers and to identify the influence of parental attitudes and clothing involvements. A survey was conducted and 350 responses collected from mothers who have elementary school-aged children were analyzed using SPSS 15.0 evaluation version. As a result, firstly, eight dimensions of benefits in children’'s wear were identified; individuality/expression, conformity, aesthetics/fashion, social status, functional value, standard, blame avoidance and economic value. Secondly, the influences of mothers’' parental attitudes on the clothing benefits and the moderating effects of clothing involvements were found. The effects of parental attitudes on the benefits were dependent on mothers’' clothing involvements.

CEPHALOMETRIC EVALUATION ON THE MAXILLOFACIAL TYPE IN KOREAN ADULTS (악안면의 형태에 관한 X선학적 연구)

  • Ahn Hyoung Kyu;You Dong Soo;Park Tae Won
    • Journal of Korean Academy of Oral and Maxillofacial Radiology
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    • v.3 no.1
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    • pp.29-34
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    • 1973
  • The study was made on the facial profile of the normal Korean adults using the roentgenographic cephalograms. The subjects ccnsisted of 50 males and 50 females with the normal occlusion. The measurements were made of the facial angles in skeletal pattern and depth, height and the length in the soft tissue profile. The mean and standard deviations from the subjects were calculated and compared with the samples of male and female. The authors have drawn the conclusions as follows: 1. Compared with the angulation in skeletal patterns, there were no differences between both sexes. 2. Individual variations of the lower face were larger than the upper face in most measuring points. 3. Generally, facial heights were lesser than facial depth in sexual differences. 4. Most dimensions of the facial depth, height and length of the male were larger than those of female.

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Yellow Image and Formative Properties in Modern Fashion (현대패션에 나타난 노랑의 조형성과 이미지)

  • 오해순;이경희
    • Journal of the Korean Society of Clothing and Textiles
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    • v.26 no.6
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    • pp.865-876
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    • 2002
  • The purpose of the study is to clarify yellow image and formative properties in modern fashion. For the study of formative properties 230 kinds of costume samples being visual power in yellow have been selected from photographs in fashion magazines and divided into tones: vivid(S, B, Dp), vague(L, Lgr, D), bright(Vp, P, B). For the study of image 30 kinds of costume samples is used. The Study was measured by using Semantic Differential method. The subjects were 50 students majoring in clothing and textile. The data were analyzed by factor analysis, ANOVA, MDS and regression analysis. The results of analysis are as follow: 1. Factor analysis has extracted 4 factors of yellow image in the fashion. These factor are Attractiveness, Cheerfulness, Hardness and Softness, Gorgeousness. 2. There were significant difference in visual evaluation of yellow tones. 3. Evaluative dimensions of yellow was classified as Soft-Hard, Gorgeous-Unpretentious. 4. The mage effect on Preference, Buying needs, Pleasant and Riches was consist of complicated sensibility.

Hydraulic Parameter Evaluation by Sensitivity Analysis of Constant and Variable Rate Pump Test in Leaky Fractal Aquifer (누수성 프락탈 대수층내의 일정 또는 다단계 양수시험의 민감성 분석에 의한 수리상수 결정)

  • 함세영
    • The Journal of Engineering Geology
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    • v.4 no.3
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    • pp.311-319
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    • 1994
  • This paper presents a sensitivity analysis to obtain best fit of hydraulic parameters of leaky fractal aquifer. The sensitivity analysis uses the least squares method. The hydraulic parameters (generalized transmissivity and generalized storage coefficient) can be easily determined by the sensitivity analysis for various flow dimensions and different values of the leakage factor. Furthermore, the sensitivity analysis was applied to variable-rate pump tast at several abstraction wells, A computer program was developed to evaluate the hydraulic parameters by the sensitivity analysis.

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Performance Evaluation of a Multistage-Cyclone Pre-heating Calciner and a Rotary Kiln Calciner: Case of a Cement Process (다단사이클론 예열소성로와 로터리킬른 소성로의 성능 모형평가: 시멘트공정사례)

  • Eom, Taegyu;Choi, Sangmin
    • Journal of the Korean Society of Combustion
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    • v.20 no.2
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    • pp.14-27
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    • 2015
  • Calcination, which represents thermal decomposition of $CaCO_3$, is the key reaction in a cement process. Some reactions including heating-up also take place simultaneously in the calcination reactors. Basic thermal performance and dimensions of the reactors in two cases, which are a rotary kiln wih a four-stage cyclone pre-heater and a simple single rotary kiln, were compared. To employ the heat transfer, mass transfer and reaction rate as well as calcination, one-dimensional modeling was conducted in each case. Some simplification about the reactors was described, however, the reliable Nusselt number and heat transfer coefficients on the reactors were used to make results reliable.

Hotel Service Quality Evaluation Based on LQI using Sentiment Analysis of Online Reviews (온라인 후기에 내재된 고객의 감성분석과 LQI 차원별 호텔 서비스 품질 평가)

  • Sakong, Won;Ha, Sung Ho;Park, KyungBae
    • The Journal of Information Systems
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    • v.25 no.3
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    • pp.217-245
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    • 2016
  • Purpose With the increasing number of foreign travelers visiting Korea, it is a heavy question to evaluate service quality of typical domestic hotel companies. Our research aims to evaluate service quality of domestic hotels in Korea from the perspective of foreign travelers in order to provide the quality improvements that call attention for the hotel management. Design/Methodology/Approach In this paper, topics of sentiment followed Lodging Quality Index(LQI) dimensions classifying lodging service quality appropriately. Also, we employed word2vec algorithm which calculates similarity and affinity among the vocabularies accurately. To calculate sentiment of each dimension, we adopted scores from SentiWordNet. Findings From the result, we found the number of foreign travelers particularly satisfied with cleanliness, politeness, and problem solving skills. In contrast, it has also been found out that both promptness of services and efficiency of communication do not fulfill the requirements of travelers.

Concept Analysis of Spiritual Care (영적간호의 개념분석)

  • Kang Sung-Rye
    • Journal of Korean Academy of Nursing
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    • v.36 no.5
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    • pp.803-812
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    • 2006
  • Purpose: The purpose of this study was to identify attributes of the concept of spiritual care. Method: Walker & Avant's concept analysis framework was employed to review the clinical guidelines, nursing text books, and nursing research articles which were related to spiritual care and published from 1985 to 2005. Result: The attributes of the concept of spiritual care were a three stage process such as spiritual assessment, spiritual intervention, and spiritual evaluation. Spiritual care included three dimensions of relationships such as transpersonal, interpersonal, and intrapersonal. The quality of spiritual care was dependent upon characteristics of care-givers such as perception and knowledge of spiritual care, and the clinical environment. The antecedents of spiritual care was spiritual needs due to the prompt events. The consequence of spiritual care was spiritual well-being. Conclusion: This concept analysis of spiritual care contributed to promote performance of spiritual care in clinical fields by removing conceptual ambiguity and confirming the true meaning of spiritual care.