• Title/Summary/Keyword: Characteristic Evaluation

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Quality Characteristics of Gasiogapidduk by Different Ratio of Ingredients (재료 배합비를 달리한 가시오가피떡의 품질 특성)

  • Shin, Min-Ja;Park, Young-Mi
    • Journal of the East Asian Society of Dietary Life
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    • v.16 no.6
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    • pp.747-752
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    • 2006
  • This study developed gasiogapidduk to increase the functional value and flavor of traditional Baiksulgi by adding gasiogapi powder. Powdered nonglutinous rice was mixed with powdered leaves (1%, 2%, 3%), powdered stems roots (1%, 3%, 5%), and powdered freeze-dried root extracts (5%, 10%, 15%) of Acanthopanax senticosus, known as the second ginseng, in order to find the combination ratio optimal to the senses. Sensory evaluation and texture characteristic evaluation of gasiogapidduk were used to develop a functional rice cake appealing to the largest number of people. Sensory evaluation consisted of evaluating color, smell, taste and texture, preference quality which reflects overall appeal. Texture characteristics were evalauated on hardness, adhesiveness, cohesiveness, springiness and gumminess. As a result, AE5 mixed with 5% powdered freeze-dried Acanthopanax senticosus extract proved to be the most desirable in both sensory evaluation and texture characteristics.

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Performance Evaluation of Small-Scaled Wind Power Generator with Outer Permanent Magnet Rotor considering Electromagnetic Losses (1) - Magnetic Field Analysis and Electrical Parameters Derivation using Electromagnetic Transfer Relations Theorem - (전자기 손실을 고려한 소형 외전형 영구자석 풍력발전기의 성능 평가 (1) - 전자기 전달관계 기법을 이용한 자계특성해석 및 회로정수 도출 -)

  • Jang, Seok-Myeong;Ko, Kyoung-Jin;Choi, Jang-Young
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.59 no.12
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    • pp.2179-2189
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    • 2010
  • This paper deals with analytical techniques for performance evaluation of small scaled wind power generator with outer permanent magnet rotor. In part (1), using transfer relations theorem, magnetic field distribution characteristics by PM and armature reaction field are derived. Moreover, electrical parameters such as back-EMF, inductance and resistance are calculated from the obtained field characteristic equations. The proposed analytical techniques are validated by nonlinear finite element method using commercial software 'Maxwell' and performance experiments of the manufactured generator. In part (2), generating characteristics analysis such as constant speed characteristics and constant resistive load characteristics, and performance evaluation according to variation of wind speed will be accomplished using the derived electrical parameters.

Study on the Physical Characteristics and Taste of Pongihpsolgi as Affected by Ingredients (뽕잎 설기의 뽕잎가루 배합비에 따른 Texture 특성과 기호도 조사)

  • 김애정;김미원;임영희
    • Journal of the East Asian Society of Dietary Life
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    • v.8 no.3
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    • pp.297-308
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    • 1998
  • The objective of this study was to evaluate the effect the pongihpsolgi, when ingredients were changed in a variety of aspects. The evaluation of these results were as follows ; 1.According to sensory evaluation the color, flavor, grain, chewiness, moistness, and overall quality of Pongihpsolgi were the excellent ratio of Pongihp flour 3%, 6%. 2. The evaluation of colors which were shown that as more Pongihp flour was added, lightness was diminished, and total difference in colors was rare. 3. According to rheometer evaluation, Pongihpsolgi added Pongihp flour was better than not added.

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A Study on establishment of urban regeneration project models and evaluation indexes - Focused on Public project - (도시재생 평가지표와 재생모델 설정에 관한 연구 - 공공부문 시행을 중심으로 -)

  • Choi, Jung-Min;Choi, Chan-Hwan
    • Journal of the Korean Institute of Rural Architecture
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    • v.13 no.3
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    • pp.53-60
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    • 2011
  • The purpose of this study was to propose the urban regeneration project model that reinforce public functions and contribute effectively to urban development. The results of this study were as follows. First, this study developed objective 22 different types of evaluation indexes. The indexes allows to figure out the necessities, business value and conditions of certain urban regeneration project. Second, the urban is divided to 6 types by characteristics of functionality and location. So, each regeneration project model can be applied to meet the condition of the urban.. Third, this study proposed 5 types of urban regeneration project model to fulfil roles of public and encourage the urban development. The urban regeneration project model is supposed to perform the evaluation of urban condition using the index, typological analysis under the law and scheme and analysis of function and urban location.

Development of Testing Evaluation System far Analyzing Squeal Noise characteristic of the Brake System (제동장치 스퀼소음의 특성 분석을 위한 시험평가시스템 개발)

  • Park, Ho;Kim, Dong-Kyu;Kim, Heung-Seob
    • Transactions of the Korean Society of Machine Tool Engineers
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    • v.10 no.6
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    • pp.21-28
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    • 2001
  • Analysis of squeal noise generated during brake operation is an important task for the improvement of brake noise prob-lem. By the use of measuring instrument and techniques, test and evaluation process are to be developed systematically in quantitative analysis. The cost far test and evaluation 7an be reduced, and the technical power can be raised by the devel- oped system.

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A Study on Performance Evaluation about Safety Work of Railway Employees using AHP (AHP를 이용한 철도종사자의 안전업무 수행도 평가에 관한 연구)

  • Ryu, Si-Wook
    • Journal of the Korea Safety Management & Science
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    • v.9 no.4
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    • pp.49-56
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    • 2007
  • It is known that human factors account for 80 percent of all railway accidents. To reduce human errors must be the most efficient shortcut to railway safety. For public transportation employees like railway, the more delicate safety management should be executed in individual level. However, there are rarely efforts to improve safety performance of workers who are the subject operating the railway system. This paper develops a hierarchy model to evaluate the human safety performance in railway industry. To evaluate the model, AHP (Analytic Hierarchy Process) methodology is adopted. The hierarchy model is composed of four levels which are objective, two criteria, specific factors of criteria, and rating scales. In addition, since employees for evaluation are over 10, the pairwise comparisons for rating scales are carried out by the absolute measurement. We explore the applicability of AHP to the performance evaluation of railway safety workers by an example and also investigate the changes of alternatives that are railway employees according to the changes of human characteristic which is one of criteria.

An Evaluation on the Degrees of Satisfaction of Product with Hierarchical Quality Structure Using Possibility Distribution Function (가능성분포함수를 이용한 계층적 품질구조를 가진 제품의 만족도 평가)

  • 김정만
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.21 no.46
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    • pp.173-180
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    • 1998
  • In conventional probability-based quality evaluation of products with qualitative characteristics, many factors that affect the evaluation are not easily represented quantitatively, because the relation between reliability of human evaluator and each of these factors is not clear. In order to evaluate the quality of product with qualitative characteristics quantitatively, in this paper, the relation is represented as the shape of possibility distribution function of fuzzy set on the interval [0,1]. Furthermore, fuzzy reasoning is used to obtain the estimates of quality characteristics. And, it is supposed that many quality characteristics affected by the above factors are connected with the final characteristic through hierarchical structures. Finally, using the estimates gained from the final evaluation, qualitative characteristics are evaluated by use of concept of pattern recognition.

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Evaluation Method of College English Education Effect Based on Improved Decision Tree Algorithm

  • Dou, Fang
    • Journal of Information Processing Systems
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    • v.18 no.4
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    • pp.500-509
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    • 2022
  • With the rapid development of educational informatization, teaching methods become diversified characteristics, but a large number of information data restrict the evaluation on teaching subject and object in terms of the effect of English education. Therefore, this study adopts the concept of incremental learning and eigenvalue interval algorithm to improve the weighted decision tree, and builds an English education effect evaluation model based on association rules. According to the results, the average accuracy of information classification of the improved decision tree algorithm is 96.18%, the classification error rate can be as low as 0.02%, and the anti-fitting performance is good. The classification error rate between the improved decision tree algorithm and the original decision tree does not exceed 1%. The proposed educational evaluation method can effectively provide early warning of academic situation analysis, and improve the teachers' professional skills in an accelerated manner and perfect the education system.

Wearing Characteristic Evaluation of Hip Protector for Hip Fracture Prevention (고관절 골절 예방을 위한 힙프로텍터 착용특성 평가)

  • Jeon, Eun-Jin;Park, Sei-Kwon;You, Hee-Cheon;Kim, Hee-Eun
    • Fashion & Textile Research Journal
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    • v.16 no.6
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    • pp.1001-1007
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    • 2014
  • We surveyed the wearing characteristics of hip protectors. The problems of existing hip protectors were identified and the directions for improvement were presented. The evaluation of wearing characteristics was conducted on the 100 elderly women (60 to 85 years) with 5 types of hip protector. The questionnaire was composed of history and characteristics on falling, hip protector acceptance, preference, use characteristics and improvement requirements. The result of wearing characteristic evaluation indicated that 52% of the subject experienced falling in winter. Incidents resulting from falling occurred: outdoors (74.5%), bathroom (10.9%), and kitchen (5.5%). Body parts to be protected were in several areas: 35.6% for lumbar, 26.9% for hip joint, and 15% for hip bone. Participants prefer a belt B type design at a rate of 56.9% because it provided a sense of stability by clinging to the body and upholding the waist. Belt B type was the most appropriate in terms of fit, allowance, mobility, and design except pad thickness. To reduce the risk of hip fracture, hip protector needs to be designed in consideration of user's type of fall and body shape. The pattern and size of a hip protector has to be improved in regards to the amount of discomfort. An objective evaluation is needed for the ergonomic design of a hip protector based on and analysis of 3D body image of the elderly and the shock-absorbing quality of pad.

Structural safety evaluation of decrepit gray cast iron water valves for the control of water supply (노후 회주철 수도용 제수밸브의 구조적 안전성 평가)

  • Lee, Ho-Min;Choi, Tae-Ho;Park, Jeong-Joo;Bae, Cheol-Ho
    • Journal of Korean Society of Water and Wastewater
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    • v.36 no.5
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    • pp.261-273
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    • 2022
  • In this study, we collect water control valves that have had accidents due to existing cracks, etc. are collected, and propose investigation items for strengthening the valve structural safety evaluation through a series of analyzes from valve specifications to physicochemical properties are proposed. The results of this study are as follows. First, there was a large variation in the thickness of the body or flange of the valves to be investigated, which is considered to be very important factor, because it may affect the safety of the valve body against internal pressure and the flange connected with the bolt nut. Second, 60% of the valves under investigation had many voids in the valve body and flange, etc. and the decrease in thickness due to corrosion was relatively large on the inner surface in contact with water rather than the outer surface. It is judged that the investigation of depth included voids is very important factor. Third, all valves to be investigated are made of gray cast iron foam, and therefore it is judged that there is no major problem in chemical composition. It is judged that the chemical composition should be investigated. Fourth, as a physical investigation item, the analysis of metal morphology structure seems to be a very important factor for nodular cast iron from rather than a gray cast iron foam water valve with a flake structure. As it was found to be 46.7~68.8% of the standard recommended by KS, it could have a direct effect on damage such as cracks, and therefore it is judged that the evaluation of tensile strength is very important in evaluating the safety of the valve.