• Title/Summary/Keyword: Standard Process

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Development of Probability Computation Program for Standard Normal Distribution (표준정규분포의 확률계산 프로그램 개발)

  • 송서일
    • Journal of Korean Society for Quality Management
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    • v.25 no.1
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    • pp.182-192
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    • 1997
  • The well-known standard normal distribution has been used within the limit of standard variable value of u=3.59. However, the probability values above the limit are not given in the literature. In this study, a probability computation program for standard normal distribution to u=5.99 with the proportional normal distribution a, pp.oximation suggested by Abramowitz and Stegun, Hastings is developed. The new standard normal distribution table developed by the program is presented and will be of help to estimate of probability values for testing and estimation of process mean value, lot acceptable probability, defective percentage of PPM unit of an out-of specification limit, process capability, test power of control charts, probability and statistics.

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A Hybrid Service Orchestration Framework based on BPEL4WS

  • Kim, Sung-Min
    • Journal of information and communication convergence engineering
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    • v.7 no.3
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    • pp.253-257
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    • 2009
  • As the value of B2B integration gets more importance and the business process becomes more complex, BPEL4WS standard has been focused for the solution of the problems which is based on web service technology. Many vendors implement the standard in their systems to integrate B2B and web service based inner-Enterprise Application(EA)s. But there is no way to use the standard to integrate non-web service based EAs, because the standard is designed only for Service Oriented Architecture (SOA) over web services. This paper proposes Hybrid Service Orchestration Framework to participate web services and also non-web service based EAs in the business process as a partner using BPEL4WS standard. The framework introduces Hybrid Service Architecture to represent non-web service based EAs as a service, so BPEL4WS could be used to integrate web services and non-web service based EAs. And the framework also introduces Hybrid Service Toolkit to support software level facilities. The paper also introduces Hybrid Orchestration System that is based on Hybrid Service Orchestration Framework.

A Study on the Development of Work-Crew Based Daily-Productivity for Representative B.O.Q Item in River Conservation Project (하천공사 대표공종의 작업조 구성 및 생산성 정보 개발)

  • Yoo, Duk-Yul;Park, Hyung-Keun;Lim, Hyeong-Min
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.33 no.6
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    • pp.2519-2528
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    • 2013
  • The standard of estimate is being used as basic material for appropriating construction expenses of public institutions and private institutions. The present thesis aims to propose a new form of a standard of estimate and a calculation method of work amount of equipment by targeting a representative construction type selected at river reservation work. The present thesis expects that the convenience of users can be expanded by improving applicability of a standard of estimate and simplifying a calculation process of work amount of equipment in a process planning stage so that the provision of work crew lineup information and daily productivity information is possible by a standard of estimate. In case of river conservation work, because the variables called work conditions act very largely, there exists much difficulty for generalizing productivity information and work amount of equipment, but if its accuracy could be enhanced by improving continuous productivity information and work amount information of equipment, the simplification of process planning establishment and cumulative process through a standard of estimate would be possible.

A Study on Graphical Modeling Methods for Systems Engineering Standard Processes (시스템공학 표준 프로세스에 대한 그래픽 모델화 연구)

  • Lim, Yong-Taek;Lee, Byoung-Gil;Lee, Jae-Chon
    • Journal of the Korean Society of Systems Engineering
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    • v.2 no.2
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    • pp.27-32
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    • 2006
  • The emerging standards since 1990's can be classified as 'system standards' (process-oriented standards) and they specify the process of an enterprise and also apply to almost all industries regardless of size, type and products. Notice that the conventional specification-oriented standards present relatively clear criteria even though the structure, performance, and terminology are defined in text-based form. However, the system standards dealing with the processes do not present a coherent guide. Therefore, it is difficult to analyze them with the same viewpoint, thereby resulting in differences in the level of understanding. This study is aimed at graphically modeling the system standards originally described in text-based form. The study has been carried out in the framework of the PMTE (Process, Methods, Tools, and Environment) paradigm. The system standard targeted here is ISO/IEC 15288. Firstly, review of the literature on the systems engineering (SE) standard/process and on the graphic model IDEF0 was done, respectively, for the parts of 'E' and 'M'. Then the SE process of the MIL-STD 499B was applied to ISO/IEC 15288 as 'P'. Finally, the graphical model was generated by AI0Wins as 'T'. As a result, the graphical model-based approach can complement the drawbacks of the text-based form.

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A study on the development of standard-time receiving device for process computer (공정용 컴퓨터를 위한 표준시각 수신장치 개발에 관한 연구)

  • 홍용표;손창호
    • 제어로봇시스템학회:학술대회논문집
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    • 1988.10a
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    • pp.385-389
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    • 1988
  • PCS(Process Computer System) is installed to monitor various kinds of process parameters in Power Plant and networked for synthetic monitor and event analysis in all site. But when an event is occured sequentially or simultaneously among the plants, it is difficult to analyze it because of different Stardard-Time in each plant. Standard-Time Receiving Device is developed to solve this problem and development procedure is described here.

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Development of a Modular Design System for Press Die (모듈식 프레스 다이 설계 시스템 개발)

  • Park, Hong-Seok;Jung, Jin-Hyung
    • Korean Journal of Computational Design and Engineering
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    • v.12 no.3
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    • pp.182-192
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    • 2007
  • The reduction of product development time is exposed to the competitive pressure due to shortened product-and production technology lifecycles as well as increasingly dynamic markets. Specially in automobile companies, that is of major importance for designing die because it is a bottleneck process in the development of a new car. To improve this conventional design process, this paper describes how to design it fast and flexibly. This was done by a modular method using standard template and a feature and knowledge based design method along the design process.

Machine Quality Assurance and TPM in FA System (FA 시스템에서의 품질보전과 TPM)

  • 유정상;황의철
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.15 no.25
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    • pp.75-82
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    • 1992
  • Standard acceptance sampling plans models the production pricess as a sequence of independent identically distributed Beruoulli random variables. However, the quality of items sampled sequentially from an ongoing production process of ten exhibits statistical dependency that is not accounted for in standard acceptance sampling plans. In this paper, a dependent production process is modelled as an ARMA process and as a two-state Markov chain. A simulation study of each is performed. A comparison of the probability of acceptance is done for the simulation method and for the approximation method.

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A study on standard implementation method of defense CALS system (국방 CALS체계의 표준 적용방안에 관한 연구)

  • 김철환;송인출
    • Proceedings of the CALSEC Conference
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    • 1999.11a
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    • pp.75-84
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    • 1999
  • CALS is a strategy to share integrated product data through a set of standards to achieve efficiencies in business and operational mission areas. In this research, we first studied current status for CALS standard and then analyzed the case of US DoD. The results can be summarized as implementing for two major standard in defense CALS system. They are STEP and XML. Our recommendations can be used to set direction for CALS standard implementation and standard selection process.

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Application of S-100 Standard in the field of e-Navigation

  • Oh, Se-Woong;Kim, Ho-Yoon;Suh, Sang-Hyun;Kim, Sun-Young
    • Journal of Navigation and Port Research
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    • v.36 no.2
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    • pp.105-112
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    • 2012
  • In order to improve the existing S-57 standard, International Hydrographic Organization(IHO) has developed S-100 standard, a Universal Hydrographic Data Model(UHDM) expanded from ISO 19100 series standard to hydrographic area, and is in the process of its implementation. International Maritime Organization(IMO) has established CMDS based on e-Navigation strategy data standard as International Association of Lighthouse Authorities(IALA) established IHDM based on aids to navigation data standard and each data standard is linked with the S-100 standard. Fundamental concept and core principles of S-100 standard is suitable not only for the development of a wide range of hydrographic data and service production standard, including the next generation ENC, but also the development of product specification of non-hydrographic area. This study has examined the operation principle of S-100 standard and analyzed its implementation process as e-Navigation data in relation with ENC. It also noted the utilization of S-100 standard based e-Navigation and its potential effect via examining the development cases of S-100 standard-based product specification, such as nautical publication, ship reporting and pilot request, digital routing guide, tide and water level transmission and other important data cases of e-Navigation field.