• Title/Summary/Keyword: Common Methodology

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A Study on the Development of Framework Using Component Based Methodology (컴포넌트기반 방법론을 사용한 프레임워크 개발에 관한 연구)

  • Kim, Haeng-Gon;Han, Eun-Ju
    • The Transactions of the Korea Information Processing Society
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    • v.7 no.3
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    • pp.842-851
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    • 2000
  • Developers can reuse not only class code but also wide range of knowledge on domain by reusing framework. Existing Object-Oriented Methodology and Catalysis Methodology were presented when redefining component in the course of redesigning framework. However, existing methodologies have weakness that entire process is waterfall mode or design of interface lays too much stress on implementation stage. So, this thesis will present Component-Oriented Methodology for the reuse of framework, and construct the environment for framework and domain development. That is, domain is analyzed by input of domain knowledge on real world to create software based on component, and hotspot is identified through analyzed information, and refactoring by putting additional information on users and developers. After that, I will create domain framework and application framework depending on domain. In this Component-Oriented Methodology, information is searched, understood and extracted or composite through component library storage internally. Then this information is classified into the information on component, and used as additional information in redesigning. With this, developer can obtain reusability, easiness and portability by constructing infrastructure environment that allows to register, update and delete component through Component Management System(CMS) under he development environment which can be easily applied to his own application using framework component, in this thesis, CoRBA(Common Object Request Broker Architecture) environment.

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An Investigation of Turbine Blade Ejection Frequency Considering Common Cause Failure in Nuclear Power Plants (공통원인고장을 고려한 원전 터빈블레이드 비산빈도계산)

  • Oh, Ji-Yong;Chi, Moon-Goo;Hwang, Seok-Won
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.36 no.4
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    • pp.373-378
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    • 2012
  • The objective of this research is to examine the probabilistic approach to evaluating turbine ejection frequency considering common-cause failure. This paper identifies basic turbine ejection mechanisms under high and low speeds and presents a detailed probabilistic methodology (fault tree) for assessing ejection frequency. The alpha factor methodology is applied to common-cause failure evaluations. The frequencies under different test schemes are compared and the propagation of uncertainty through the fault tree model is evaluated. The following conclusions were reached: (1) the turbine blade ejection frequency due to ductile failure under high speed is around 8.005E-7/yr; (2) if common-cause failure is considered, the frequency will be increased by 11% and 33% depending on the test scheme; and (3) if the parameter uncertainties are considered, the frequency is estimated to be in the range of 9.35E-7 to 1.13E 6, with 90% confidence.

Preference for Spatial Planning Elements of Common Spaces in Senior Congregate Housing according to Pre-Senior Citizens

  • Hong Yi-Kyung;Oh Hye-Kyung
    • International Journal of Human Ecology
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    • v.6 no.2
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    • pp.85-94
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    • 2005
  • The purpose of this study is to analyze the preference of spatial elements for common space planning in senior congregate housing. For the study, 500 potential consumer's residing in Seoul was surveyed using the questionnaire in the social survey methodology. As for the common spaces, gardens, treatment, and exercise rooms were preferred. A combination of both separate and group arrangement of the buildings was preferred, indicating that people wanted separation of the common space and the individual living units. Second, people preferred sharing parts of the common space with their neighbors and as is the traditional custom, preferred to take off their shoes at the entrance to individual units. Third, for the furniture and facilities, they wanted the manager room in the lobby, the small meeting rooms in the public dining room, a fitness center in the activity room, the rack or alcove to store items in front of an individuals unit in the hallway, a chair to sit down in the elevator, and the chair to rest on the stairway landing. Fourth, in terms of priority for planning the senior citizens' community housing, safety, familiarity like a regular home, reduced isolation and loneliness, sense of belonging, economic factors, aesthetic appreciation, daily life supplement, variety, and self-identity were answered in that order.

Psychology of the self-nature in platform sutra-focused on dynamics in essential and inclusive self-nature (『단경』에 나타난 자성의 심리학 - 본래적 자성과 포괄적 자성의 역동성을 중심으로)

  • Youn, Hee-jo
    • Journal of Korean Philosophical Society
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    • v.146
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    • pp.137-162
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    • 2018
  • Zen Psychology refers to the psychology of Zen Buddhism as a field of Buddhist psychology. This paper examines the psychology of human beings, focusing on the "Platform Sutra" written by Huineng, the founder of Patriarchal Zen, and the southern Zen school. According to the classification of Buddhist psychology, Zen psychology is divided into theory of Zen mind, theory of Zend mind function, and Zen psychotherapy. In theory of Zen mind, Huineng explains the mind based on self-nature, and explains the theory of dharma, theory of humanity, theory of dependent origination, and worldview though self-nature. Every human mind has its own original character of self-nature. When one's own mind with self-nature is revealed, it is the basic mind. When it is covered, it is the mind of common people. Self-nature is characterized by dharma construction, incompetence, non-naming, cleanliness, equality, and self-Buddhahood. In the theory of dharma, dharma is non-dual and is equal. The theory of humanity is divided into two groups according to the sharpness and dullness or capacity of the human being. From theory of dependent origination, you can see the mobility of cover and revealment, enlightment and delusion, sacred and common. In the worldview, the world and phenomena are the functions of self-nature and one's own mind. The theory of Zen mind function deals with wisdom and defilement of common people. The function of wisdom is to know the whole and one at the same time, and is intangible. Defilement of common people is an inner common people that cover the functions of wisdom. In Zen psychotherapy, in order to eliminate the gap between human and dharma, seeing into self-nature is suggested and the goal. In teleology, the goal is to reveal and see the self-nature covered by defilements. As a methodology from cover to revealment, Huineng interprets the traditional methodology as a new interpretation from the viewpoint of the mind, and presents Sammu as its own methodology. Based on the absence of attachment, Huineng proposed a methodology of No-abiding, No-thought and No-form, to gather mind on reality and treat all things equally. Based on this, Huineng proposed a new methodology for dealing with karma through repentance and vows, and a methodology for edification. In view of the Four Noble Truth, it is the phenomenon that self-nature is covered, the cause of defilement and the mind, the aim of seeing the self-nature which is covered, and the way of revealing the covered self-nature is presented. In this sense, the Zen Psychology of Platform Sutra is psychology of self-nature.

Compression Filters Based on Time-Propagated Measurement Fusion (시전달 측정치 융합에 기반한 압축필트)

  • Lee, Hyeong-Geun;Lee, Jang-Gyu
    • The Transactions of the Korean Institute of Electrical Engineers D
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    • v.51 no.9
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    • pp.389-401
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    • 2002
  • To complement the conventional fusion methodologies of state fusion and measurement fusion, a time-propagated measurement fusion methodology is proposed. Various aspects of common process noise are investigated regarding information preservation. Based on time-propagated measurement fusion methodology, four compression filters are derived. The derived compression filters are efficient in asynchronous sensor fusion and fault detection since they maintain correct statistical information. A new batch Kalman recursion is proposed to show the optimality under the time-propagated measurement fusion methodology. A simple simulation result evaluates estimation efficiency and characteristic.

Cost-Effectiveness Methodology for Maritime Patrol Aircraft

  • Cho Doug-Woon
    • Journal of the military operations research society of Korea
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    • v.15 no.2
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    • pp.147-159
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    • 1989
  • This paper presents a formalized methodology for conducting cost-effectiveness analysis on the ROK Navy's maritime patrol aircraft. The methodology involves a Delphi method application for determining the group of appraisal variables as well as their weight values in the area of aircraft effectiveness analysis, Life-cycle costing was employed to produce cost in terms of present worth values of all costs that occur over the common 20-year life cycle. A wide range of experts was selected so that their opinions could be effectively collected and synthesized to form the framework of the effectiveness model. Such a model development strategy provides easy acceptance of the analysis result and assure fairness of the analysis.

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Review of the Burden of Esophageal Cancer in Malaysia

  • Siti-Azrin, Ab Hamid;Wan-Nor-Asyikeen, Wan Adnan;Norsa'adah, Bachok
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.8
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    • pp.3705-3709
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    • 2016
  • Esophageal cancer is one of the top leading causes of cancer-related deaths in Malaysia. To date, neither the prevalence nor incidence of esophageal cancer nationally have been recorded. Esophageal cancer remains a major and lethal health problem even if it is not common in Malaysia. The late presentation of esophageal cancer makes it a difficult and challenging medical problem. Therefore, more governmental and non-governmental organizations of Malaysia should emphasize primary and secondary prevention strategies.

A Study of Method for Removing Reaching Phase and Chattering Phenomenon in Variable Structure Control Systems (가변정도제어계의 Reaching Phase 및 chattering 현상의 제거에 관한 연구)

  • 주기호;송명현;박귀태;천희영
    • The Transactions of the Korean Institute of Electrical Engineers
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    • v.36 no.1
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    • pp.52-57
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    • 1987
  • In this paper, a methodology is developed to remove the reaching phase and the high frequency chattering phenomenon which are the common drawbacks of variable structrue control (VSC) system. A time varying switching surface is proposed to achieve sliding motion during the entire control process and a continuous control law whose terms are continuous functions inside a boundary layer neighbouring the time varying switching surface is developed to remove the high frequency chattering phenomenon of VSC. The methodology developed in this paper is applied to the 2'nd order time varying system and the simulated results are compared with those of typical VSC methodology.

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Using of Scattering Bond Graph Methodology for a Physical Characteristics Analysis of “D-CRLH” Transmission Line

  • Taghouti, Hichem;Jmal, Sabri;Mami, Abdelkader
    • Journal of Electrical Engineering and Technology
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    • v.11 no.4
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    • pp.943-950
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    • 2016
  • In this paper, we propose to analyze the physical characteristics of a planar dual-composite right-left handed transmission line by a common application of Bond Graph approach and Scattering formalism (Methodology S.BG). The technique, we propose consists, on the one hand, of modeling of a dual composite right-left metamaterial transmission line (D-CRLH-TL) by Bond Graph approach, and, it consists of extracting the equivalent circuit of this studied structure. On the other hand, it consists to exploiting the scattering parameters (Scattering matrix) of the DCRLH-TL using the methodology which we previously developed since 2009. Finally, the validation of the proposed and used technique is carried out by comparisons between the simulations results with ADS and Maple (or MatLab).