• 제목/요약/키워드: Flow manager

검색결과 82건 처리시간 0.024초

분산 환경하의 설계 및 제조활동을 위한 프로세스관리기법 연구 (A Process Management Framework for Design and Manufacturing Activities in a Distributed Environment)

  • 박화규;김현;오치재;정문정
    • 한국전자거래학회지
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    • 제2권1호
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    • pp.21-37
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    • 1997
  • As the complexity in design and manufacturing activities of distributed virtual enterprises rapidly increases, the issue of process management becomes more critical to shorten the time-to-market, reduce the manufacturing cost and improve the product quality. This paper proposes a unified framework to manage design and manufacturing processes in a distributed environment. We present a methodology which utilizes process flow graphs to depict the hierarchical structure of workflows and process grammars to represent various design processes and design tools. To implement the proposed concept, we develop a process management system which mainly consists of a cockpit and manager programs, and we finally address a preliminary implementation procedure based on the Object Modeling Technique. Since the proposed framework can be a formal approach to the process management by providing formalism, parallelism, reusability, and flexibility, it can be effectively applied to further application domains of distributed virtual enterprises.

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경영자 능력과 경영자 보상의 관련성에 이익유연화가 미치는 조절효과 (Moderating effects of Income Smoothing on the relationship between managerial ability and manager compensation)

  • 이은주;황성준
    • 디지털융복합연구
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    • 제19권12호
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    • pp.321-329
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    • 2021
  • 본 연구의 목적은 경영자 능력과 경영자 보상 사이의 관련성에 이익유연화가 미치는 효과에 초점을 두고 분석해 보고자 하였다. 경영효율성의 측정치인 DEA를 사용하여 경영자 능력에 대한 측정치를 도출하였으며, 이익유연화를 측정의 대리변수로 재량적 발생액과 비재량적발생액의 상관계수, 당기순이익 및 영업현금흐름의 표준편차를 사용하여 검증하였다. 또한 경영자 보상은 경영자 1인당 현금보상에 자연로그를 취하여 사용하였다. 가설검증을 위한 분석 기간은 2004년부터 2017년으로 실증분석결과 이익유연화 행위가 성과를 기반으로 한 보상은 감소시키며 성과를 통제한 경영자 보상은 증가시킨다는 결과를 제시하여 본 연구의 가설을 지지하는 결과로 나타났다. 이는 이익유연화에 대해서 차별적으로 추가적인 보상이 지급됨을 간접적으로 확인한 결과라고 할 수 있다. 본 연구는 경영자 능력과 경영자 보상간의 관련성에 이익유연화가 영향을 미치는 지를 실증적으로 분석하였다는데 연구의 공헌도가 있다. 그러나 다수의 선행연구에서 경영자 보상에는 상한과 하한 구간이 존재함을 실증 분석하였으나, 이익유연화로 인한 비대칭적 보상에 대하여 분석하지 못한 한계점이 존재하므로, 향후 연구에서 풍부한 실증결과를 바탕으로 연구가 확장되길 기대한다.

EDCF차관(借款) 하의 개발도상국의 해외토목 설계 절차의 이해 (Understanding of procedural flow of overseas civil design works in developing countries under EDCF loans)

  • 강희철
    • 기술사
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    • 제44권2호
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    • pp.51-56
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    • 2011
  • While performing the overseas projects in developing countries under EDCF loans with Korean civil design engineers as a project manager, I often used to find out and realize that lots of Korean engineers are not fully aware of what EDCF means and how EDCF funded projects are being implemented in developing countries. This implies that in the past, they have been concentrating on domestic projects only, not to mention have the rare opportunities to work in overseas projects. For these reasons, no wonder they neither pay a careful attention to the unfamiliar terms nor intend to try to realize them, even though such terms are fundamentals and important in overseas design works. With 'something will make it do'-like-attitude in our mind on site, nothing helps us at all. To help those who would like to understand and participate in overseas civil design works in developing countries under EDCF loans either as participants or as a future project manager, I introduce what EDCF means and how the procedure under these loans is being carried out, and they are briefly described herein this paper.

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A Secure and Efficient Identity-Based Proxy Signcryption in Cloud Data Sharing

  • Hundera, Negalign Wake;Mei, Qian;Xiong, Hu;Geressu, Dagmawit Mesfin
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제14권1호
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    • pp.455-472
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    • 2020
  • As a user in modern societies with the rapid growth of Internet environment and more complicated business flow processes in order to be effective at work and accomplish things on time when the manager of the company went for a business trip, he/she need to delegate his/her signing authorities to someone such that, the delegatee can act as a manager and sign a message on his/her behalf. In order to make the delegation process more secure and authentic, we proposed a secure and efficient identity-based proxy signcryption in cloud data sharing (SE-IDPSC-CS), which provides a secure privilege delegation mechanism for a person to delegate his/her signcryption privilege to his/her proxy agent. Our scheme allows the manager of the company to delegate his/her signcryption privilege to his/her proxy agent and the proxy agent can act as a manager and generate signcrypted messages on his/her behalf using special information called "proxy key". Then, the proxy agent uploads the signcrypted ciphertext to a cloud service provider (CSP) which can only be downloaded, decrypted and verified by an authorized user at any time from any place through the Internet. Finally, the security analysis and experiment result determine that the proposed scheme outperforms previous works in terms of functionalities and computational time.

인터넷 몰입이 고객만족도에 미치는 영향에 관한 연구 (A Study on the Effects of Customer Satisfaction using e-Business Flow)

  • 노무종;류지철
    • 대한안전경영과학회지
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    • 제12권3호
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    • pp.295-302
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    • 2010
  • Nowadays, due to the development of computers and the information and communication technology, data processing and transmission is made very vastly and fast. The development of the technologies bring many changes and revolutions to the life of ordinary people. Although, e-Business grows continuously, it is in experimental stage in domestic area because of limits of infrastructure. Also, in spite of explosive growth of internet, the research on the internet has not been fully studied yet. The objectives of this study are that how service consumers perceive the flow of e-Business, and that what effect the makes on their satisfaction and re-purchase intention. This means that the research enables a marketing manager to take the meaning of comparative weight among the components of e-Business flow, and to provide very useful information to establish marketing strategies which are close to the consumers.

A STUDY ON CONSTRUCTION SCHEDULE OPTIMIZATION INTEGRATING WITH CASH-FLOW

  • Hyung-Guk Lee;Dong-Pil Shin;Sung-Hoon An;Dong-Eun Lee
    • 국제학술발표논문집
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    • The 5th International Conference on Construction Engineering and Project Management
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    • pp.141-144
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    • 2013
  • This paper presents a system called a Cash-flow based Construction Schedule Optimization system(CfSO). The existing CPM effectively handles schedule and cost management. However, funding strategy should be considered to obtain maximum profit and to progress a project favorably. One of measures is to coordinate the contract terms between owner and subcontractors (or suppliers). Contractor may decrease the interest cost attributed to project financing by adjusting the timing of cash-inflows and cash-outflows. It is an excellent method maximizing profits. This paper presents a method to estimate the amount of a cash-flow occurred periodically by integrating the terms of contract into scheduling. The proposed method is implemented as a system prototype in Microsoft Excel. This system provides a user an automated tool that identifies an optimal schedule that secures maximum profit by adjusting start and finish times of non-critical activities' free-floats without affecting on the project completion time. This system supports a project manager to establish an optimum project schedule and identifies profitable contractual conditions against to a construction owner.

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대단위 협력 연구개발 사업을 위한 통합정보시스템 구축 (The development of integrated information system for the large scale cooperative R & D project)

  • 이원중;김의준
    • 항공우주기술
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    • 제7권2호
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    • pp.38-45
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    • 2008
  • It is challenging to build the integrated information system for a large scale cooperative R & D project. To develop the aircraft program which especially has several leading agencies and is supported by many demestic/foreign participating companies, the common data flow in harmony is the core factor to achieve a development goal. For this, the development are carried out maintaining the existing management systems of agencies and companies. As a first step, the standard for the common data information and the classification category of technical data are defined. Second, the work flow standards are also set. Based on the foundation, the efficient technical data management system are built including the function of storage, inquiry, revision, link, approval, submission, etc.

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가중선형회귀를 통한 순항항공기의 궤적예측 (En-route Trajectory Prediction via Weighted Linear Regression)

  • 김소윤;이금진
    • 한국항공운항학회지
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    • 제24권4호
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    • pp.44-52
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    • 2016
  • The departure flow management is the planning tool to optimize the schedule of the departure aircraft and allows them to join smoothly into the overhead traffic flow. To that end, the arrival time prediction to the merge point for the cruising aircraft is necessary to determined. This paper proposes a trajectory prediction model for the cruising aircraft based on the machine learning approach. The proposed method includes the trajectory vectored from the procedural route and is applied to the historical data to evaluate the prediction performances.

항만자원 계획 적합성 검증을 위한 시뮬레이션 시스템 설계 (Design of Simulation System for Port Resources Availability in Logistics Supply Chain)

  • Lee, Tae-Woo;Park, Nam-Kyu;Lee, Dong-Won
    • 한국항해항만학회:학술대회논문집
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    • 한국항해항만학회 2002년도 추계공동학술대회논문집
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    • pp.53-61
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    • 2002
  • 항만산업의 관련기관들은 각기 다른 목표를 가지고 있다. 본 논문은 상이한 목표를 가지는 항만산업체의 최적활동을 달성하기 위한 공급연쇄 모델링 과정을 제시하며, 이를 분석하는 프레임을 제공하고자 한다. 연구의 목표를 달성하기 위해 시뮬레이션 방법을 사용하였으며. 시뮬레이션 변수로서 정보공유와 파트너쉽을 설정하였다.

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Classification of Operating State of Screw Decanter using Video-Based Optical Flow and LSTM Classifier

  • Lee, Sang-Hyeop;Wesonga, Sheilla;Park, Jang-Sik
    • 한국산업융합학회 논문집
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    • 제25권2_1호
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    • pp.169-176
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    • 2022
  • Prognostics and health management (PHM) is recently converging throughout the industry, one of the trending issue is to detect abnormal conditions at decanter centrifuge during water treatment facilities. Wastewater treatment operation produces corrosive gas which results failures on attached sensors. This scenario causes frequent sensor replacement and requires highly qualified manager's visual inspection while replacing important parts such as bearings and screws. In this paper, we propose anomaly detection by measuring the vibration of the decanter centrifuge based on the video camera images. Measuring the vibration of the screw decanter by applying the optical flow technique, the amount of movement change of the corresponding pixel is measured and fed into the LST M model. As a result, it is possible to detect the normal/warning/dangerous state based on LSTM classification. In the future work, we aim to gather more abnormal data in order to increase the further accuracy so that it can be utilized in the field of industry.