• Title/Summary/Keyword: earned value

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A Study on the Quality of Ramyon Made from Korean Wheat and Arrowroot(Pueraria thunbergiana B) Starch (칡전분과 한국산밀로 만든 라면의 품질연구)

  • Hwang, Eun-Hee;Kim, Kee-Hwan
    • Korean Journal of Human Ecology
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    • v.17 no.1
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    • pp.151-158
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    • 2008
  • This study examines the cooking quality, rheology, and sensory characteristics of ramyon noodles made from Korean wheat and arrowroot starch. The control was made from Australian standard wheat(ASW) and the sample was made from Korean wheat. The ratios of arrowwood starch in the sample group were 0%, 5%, 10%, 15%, 20%, 25%, and 30% respectively, and the result was as follows: the yield of the arrowwood starch was 18.8% and moisture level was 14.2%. The lightness(L), redness(a), and yellowness(b) of ASW were 92.07, 1.44, 10.22 respectively, whereas those of Korean wheat were 92.05, 1.55, 11.01, which means the two kinds of wheat showed very little difference in lightness, but Korean wheat had higher degrees of a and b than ASW. The color value of arrowroot starch is L 72.65, a 3.44, b 12.92, so it has a lower degree of lightness and higher degrees of a and b than two kinds of wheat. Dried ramyon displayed a lower degree of lightness and higher degrees of a and b than cooked ramyon, but the first decreased and a increased as we increased the ratio of arrowroot starch in it. The weight of dried ramyon did not show a significant difference among the groups. On the other hand, the weight, volume, water absorption, and the turbidity of cooked ramyon increased as we increased the amount of arrowroot starch in it. The maximum weight, solidity, and elasticity of the control group were greater than those of ramyon made from Korean wheat, but its brittleness was lower. The two groups showed the same degrees of hardness, adhesiveness, and cohesiveness. The maximum weight, solidity, and adhesiveness of the control group increased as we increased the amount of arrowroot starch in it, and the hardness and brittleness were great when the ratio of arrowroot starch was 20%; elasticity was greatest when the ratio of arrowroot starch was 15, 20, and 25%; its adhesiveness and cohesiveness did not depend on the amount of arrowroot starch in it. In the sensory characteristics evaluation, the items that showed significant differences include: appearance (p<0.01), color(p<0.01), smell(p<0.001), transparency(p<0.05), and overall acceptability(p<0.05). The ramyon earned the highest score in appearance when the ratios of arrowroot starch were 5%, 15%, and 20%. As for color and smell, it earned the highest score when it contained 20 and 25% of arrowroot starch. The transparency decreased as we increased the amount of arrowroot starch, and overall acceptability was highest when the ratio of arrowroot starch was 15%. There was a significant difference in overall acceptability between the control and the sample group. As for the loosing speed and chewiness, there was no significant difference between the two groups. When we look at the result of various tests to evaluate the cooking quality, rheology, and sensory characteristics of ramyon noodles, ramyons that contained 15 to 25% of arrowroot starch earned the high scores, and of these the one with 20% of arrowroot starch earned the highest score on all accounts.

A Study of the Best Performance Index for Estimate at Completion Forecasting Model on the Earned Value Management System(EVMS) (EVMS 최종공사비 예측 모델 최적성과지수에 대한 고찰)

  • Kim Seon-Gyoo;Kim Jae-Jun
    • Korean Journal of Construction Engineering and Management
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    • v.1 no.3 s.3
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    • pp.101-107
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    • 2000
  • On 1 July, 2000, the Ministry of Construction and Transportation announced the Earned Value Management System(EVMS) will be applied in public sector soon. However the arguments over the EVMS applied to our unique construction environment still exist and create strong concerns and worries among some experts it would be another mistakes proposed by the government. We do know the EVMS comes from C/SCSC which was first released by the United States Department of Defense in December 1967, and proved very powerful and efficient project management tool from a lot of practices. Although it is an excellent tool, we can not ignore our many experienced failures appling foreign system due to the differences of construction culture and law between the Korean and US construction industries. The purpose of the EVMS's success in Korea, therefore, this paper tests and proves the EVMS's adaptability and credibility to our construction environment by EAC model, that is one of the most important functions in the EVMS, using very scare EV data of the Korean construction projects.

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An Integrated Cost and Schedule Control Process Model Using Earned Value Management System (EVMS를 활용한 공정-공사비 통합관리 프로세스모델)

  • Baek Seung-ho;Kim kyung-rai;Lee Yu-Seb;Lee yong-gyu
    • Korean Journal of Construction Engineering and Management
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    • v.1 no.2 s.2
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    • pp.89-97
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    • 2000
  • This research has been Initiated to provide an effective management tool for budget control of the public projects using EVMS. Barriers to implementing the tool for the domestic public projects are identified : no PMB (Performance Measurement Baseline) for budget control, management by BOQ(bill of quantity), no systematic planning and control. To eliminate these barriers, an integrated cost and schedule management process model using EVMS is proposed. This model is composed of six sub processes : organizing, scheduling, budget allocating, establishing PMB, managerial analysis, change incorporation.

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Prediction of Final Construction Cost and Duration by Forecasting the Slopes of Cost and Time for Each Stage (공사 진행단계별 기울기 추정을 통한 최종 공사비 및 공기 예측)

  • Jin, Eui-Jae;Kwak, Soo-Nam;Kim, Du-Yon;Kim, Hyoung-Kwan;Han, Seung-Heon
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • 2006.11a
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    • pp.137-142
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    • 2006
  • Cost and duration is important factors which directly affect profit therefore must be forecasted correctly to accomplish success of projects. So construction company uses EVMS(Earned Value Management System) to forecast final cost and duration. But previous forecasting model has low accuracy because of its linear forecasting method and can't reflect characteristic of company and project and changes as each progress. This paper presents cost and duration forecasting model using the slope prediction of cost and duration as each progress to reflect the various characteristics of construction industry. EVMS data of 23 road construction projects was used to make up regression analysis equation of slope forecasting model.

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EVMS Application Process based on Project Management Processes (Project Management Process를 바탕으로 한 EVMS 실무적용 프로세스)

  • Baek Sung-Min;Ahn Byung-Ju;Kim Jae-Jun;Kong Gun-Young
    • Korean Journal of Construction Engineering and Management
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    • v.3 no.2 s.10
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    • pp.59-66
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    • 2002
  • EVMS(Earned Value Management System) came to the proper method for integrated cost-schedule control and Government announced EVMS application plan. After that, many studies related adaptability, activation, model, and process reflecting the characteristics of the domestic construction industry are proceeded in construction sites and schools. This thesis is a study of EVMS process. The purpose of this paper is to analyze the problems of previous researches for EVMS Process and to suggest the EVMS application Process based on Project Management Processes of PMBOK. In this kind of view, this thesis suggests the new direction to study EVMS process. And furthermore, this process is suggested for showing a framework of EVMS in Korean construction project are identified.

한국형발사체개발사업을 위한 EVMS 적용방안에 관한 연구

  • Seo, Gyeon-Su;Choe, Yeong-In;Lee, Hyo-Yeong;Hong, Il-Hui
    • The Bulletin of The Korean Astronomical Society
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    • v.37 no.2
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    • pp.152.1-152.1
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    • 2012
  • 한국형발사체개발사업은 대형복합시스템 사업이며, 장기간에 걸쳐 개발이 진행되는 사업이다. 따라서 사업적, 기술적 측면의 불확실성과 위험 등이 존재하며, 이를 적절히 관리 통제하지 못하면 비용 상승, 일정 지연 및 기술성능 요구조건 등의 불만족을 초래한다. 따라서 개발사업 초기단계에서부터 일정, 비용, 기술성능 및 위험관리 등을 위한 종합적 사업관리시스템 구축 및 운용은 개발사업 성공의 주요 관건이다. 현재 한국형개발사업단에서는 이러한 요구조건을 만족시키기 위한 일환으로써 일정 및 비용에 대한 효과적 관리시스템인 EVMS(Earned Value Management System)을 구축하여 운용 중에 있으며, 한국형개발사업에 맞는 최적화된 EVMS을 구축하기 위하여 시스템 커스터마이징 작업을 수행 중에 있다. EVMS의 구축과정에서 가장 고심했던 문제는 WBS 개발과 성과(Earned Value) 측정방법의 선정이었다. WBS의 경우, 개발초기단계에서부터 사업 전체를 포괄하는 완벽한 WBS을 개발하는 것은 상당히 어려운 문제이다. 그러나 사업초기에 존재하는 불확실성 및 위험에도 불구하고 개발을 계속 진행해야 하는 상황은 개발 현장에서 자주 접하게 되는 문제이다. 이러한 문제를 해결하기 위해서 적용하는 유용한 기법이 연동계획하기(Rolling Wave Planning)이다. 한국형개발사업을 위한 EVMS 구축과정에서도 이와 같은 문제에 봉착하게 되어 WBS 개발 시 연동계획하기(Rolling Wave Planning)기법을 적용할 예정이다. 성과(EV) 측정방법의 경우, 퍼센트완료기법과 마일스톤+퍼센트완료기법 등을 선정하여 적용 중에 있다. 현재 연구개발사업의 특성을 고려하여 우선 퍼센트완료기법을 적용하여 성과를 측정하였으나, 성과측정 결과의 주관성 문제로 인하여 마일스톤+퍼센트완료기법을 적용하여 성과(EV) 측정 결과의 객관성을 최대한 확보 할 예정이며, 최종적으로 한국형개발사업에 최적화된 성과측정 기법을 개발할 예정이다.

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An Exploratory Study of EVMS Environment Factors and their Impact on Cost Performance for Construction and Environmental Projects

  • Aramali, Vartenie;Sanboskani, Hala;G. Edward Jr., Gibson;Asmar, Mounir El
    • International conference on construction engineering and project management
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    • 2022.06a
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    • pp.170-178
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    • 2022
  • A high-performing Earned Value Management System (EVMS) can influence project success and help stakeholders meet project objectives. Although EVMS processes are well-supported by technical guidelines and standards, project managers often face challenges related to the project culture, team, resources, and business practices that make up the project environment within which an EVMS is being used. A comprehensive literature review revealed a lack of a data-driven and consistent assessment frameworks that can gauge the environment surrounding EVMS implementation. This paper will discuss the EVMS environment of construction and environmental projects, and examine its impact on cost performance. The authors used a multi-method approach to identify 27 environment factors that make up the EVMS environment, assessing them on 18 construction and environmental projects worth over $2 billion of total cost. Research methods employed include: (1) a literature review of more than 300 references; (2) a survey of 294 respondents; and (3) remote research charrettes with more than 60 participating expert practitioners. Culture (one of the identified environment categories) was found to be relatively more important in terms of its impact on the EVMS environment, followed by people, practices, and resources. These exploratory results show statistically significant differences in cost performance between completed projects with either a good or poor environment, for the sample projects. Key environment factors are outlined, and guidance is provided to practitioners around how to set up an effective EVMS environment in a construction or environmental project to inform decision-making and support achieving the project cost objectives successfully.

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Effects of Work Value on the Life Satisfaction of Culinary Arts Majors

  • NA, Tae-Kyun;YANG, Jae-Yeon
    • The Korean Journal of Food & Health Convergence
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    • v.7 no.3
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    • pp.41-50
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    • 2021
  • The purpose of this study is to analyze the work value factors regarded as important by the culinary-related graduates in their 20s, and also to analyze the effects of work value factors on the life satisfaction. To achieve this purpose, this study analyzed the data of 155 graduates from departments including 'culinary arts', 'foodservice', and 'confectionery' among the college graduates in their 20s who participated in GOMS 2018. The results of analysis are as follows. First, the new generation majors in culinary arts showed the high importance of their aptitude and interest, employment stability, earned income. Second, in relation to the major field, the male graduates majored in culinary arts more highly perceived the importance than the female graduates majored in culinary arts. On the other hand, regarding the social reputation of job and work duty, the female graduates majored in culinary arts more highly perceived the importance than the male graduates majored in culinary arts. Third, the developmental value factor of work value had positive effects on the life satisfaction. Thus, the career-related staffs or professors of college should provide the career guidance by considering gender when the majors in culinary arts transit to the labor market after graduation.

Strategic Allocation of the Limited Same Resource by Program Management Office Considering Financial Values (재무 가치를 고려한 PMO의 전략적 동일 한정 자원 배분)

  • Hwang, Jin-Ha;Kim, Ju-Han;Hwang, Jee-Yeon
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.35 no.3
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    • pp.24-31
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    • 2012
  • Priority rules or sequencing heuristics conventionally used to determine resource allocation is to maximize the earned value on time and cost. This study provides a effective strategy-oriented approach for the program resource management problem with limited same resource, which systematically connects individual project objectives to the overall organizational goal, by introducing financial values as well as priority rules in a broader context. It deals with the resource allocation problem as the decision making problem in the strategic management paradigm to meet business objective and solves it using the analytic hierarchy process, and explains the method of application and usefulness through some simulation cases.

Quality Characteristics of Sulgiduk Added with Lentinus edodes Sing Powder (표고버섯가루의 첨가 함량에 따른 설기떡의 품질 특성)

  • 조정순;최미용;장윤희
    • Journal of the East Asian Society of Dietary Life
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    • v.12 no.1
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    • pp.55-64
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    • 2002
  • This study was carried out to investigate quality characteristics of Seolgiddeok containing 0, 1, 3, 5 and 7% of Lentinus edodes powder during storage. The water content of Seolgiddeok changed little with the length of storage and the amount of Lentinus edodes powder added. Hunter′s color L value of Seolgiddeok decreased and "a"and "b"value were increased significantly by increasing the amount of Lentinus edodes powder. The hardness, gumminess, adhesiveness, chewiness and cohesiveness of Seolgiddeok decreased, but springiness increased by increasing the amount of Lentinus edodes powder. Seolgiddeok added with 3% Lentinus erodes earned the highest scores in color, taste, softness, chewiness, moistness and overall preference. From the above results of sensory and texture analyses, an addition of 3% Lentinus edodes to Seolgiddeok showed the best result in quality.

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