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      • KCI등재

        21세기 지식기반 사업을 벤처디자인 전문회사 창업시뮬레이션 연구 : Centering around the Case of the Establishment of a Venture Enterprise, KDI(Kim, Kyung-Hun Design Institute) 벤처기업 KDI(김경훈디자인연구소) 창업 사례를 중심으로

        김경훈 한국비쥬얼디자인학회 1999 한국디자인포럼 Vol.4 No.-

        In the 21st century knowledge-and-information-oriented age, individual diversity is emphasized, and information acquisition and consumption levels are heightened. This trend of the times refuses to accept the mass production system centering around the competition in price. In consequence, inevitably does come the age of value created in which quality goods are produced by the multikind and small quantitiy production system. Design along with information and communication as 21st century knowledge-based business is gaining ground as a main factor national competitiveness is dependent upon in this age. Accordingly, the purpose of this study is to analyze the process and realities of the establishment of a firm specialized in venture design, both one of knowledge-based business and one factor which decides whether in the knowledge-and-information-oriented age, the millennium, our country will gain ground as one of the leading countries in the world or it will set in the west just like the twilight of the 20th century, and try to pave the way to promote the establishment of design venture required by this age. In a knowledge-based economic society, working methods are more important than working hours, and technical knowledge is more important than general knowledge. Desire for self-achievement is to be stronger than unilateral sense of loyalty to an organization. For the country in which there are many men of great originality who can enhance value added through incessant self-improvement, self-development and self -reformation can secure competitiveness among nations in the upcoming century.

      • KCI등재

        콘크리트 혼합타설시 품질확보 방안

        김경훈,이상학,Kim, Kyung-Hoon,Lee, Sang-Hak 한국건축시공학회 2018 한국건축시공학회지 Vol.18 No.3

        콘크리트의 특징은 그 품질을 확보함에 있어서 시멘트, 모래, 자갈, 물, 혼화재료 등 구성재료 개개의 품질 및 그 배합비 그리고 생산관리 및 시공관리, 양생 등에 의해 영향을 받는다는 점이다. 콘크리트 배합설계에 따라 시공연도와 강도가 변화하게 된다. 대부분의 건설현장은 동일구간에 여러 레미콘 회사의 제품을 동시에 타설하는 것이 일반적이나 표준시방서에는 혼합타설을 원칙적으로 금지하고 있으며 필요시 책임기술자의 확인을 받도록 규정되어 있다. 이 연구는 불가피한 혼합타설시 콘크리트 품질확보를 하기 위한 방안을 제시하고자 하였으며, 연구방법은 문헌검토, 설문조사를 통하여 혼합타설의 문제점을 파악하고 불가피함을 확인하였으며, 사례현장의 콘크리트 타설계획과 군산지역의 레미콘 회사의 현황을 통하여 혼합타설의 문제점을 파악하고 불가피함을 확인하였다. 혼합타설을 하지 않는 방법으로 5가지 안을 제시하여 그 중에서 지역별 표준배합설계를 작성하여 동일한 배합비로 11개 레미콘 회사로 하여금 생산하도록 하여 혼합타설의 위험성을 배제하였으며 그 과정의 문제점을 제시하였다. 향후 연구과제로는 본 연구를 통하여 검증되지 않은 방안인 레미콘 회사의 규모확장 및 통폐합, 혼합타설된 콘크리트의 품질 추적조사, 혼화제의 상응성테스트 그리고 콘크리트 강도의 조기판정기법의 개발 및 골재등의 재료 통일방안등을 연구하여 혼합타설시 피해를 최소화할 수있도록 해야 할 것이다. Concrete mix design controls the various concrete properties such as workability and strength. Fresh concrete requires workability and the hardened concrete requires compressive strength. If using the concrete from different supplier concurrently, the concrete placed can show different properties unlike originally designed. However most of construction sites place the concrete from several companies. One of the predictable problems is whether the ultimate performance of concrete achieves the originally designed performance after placing the concrete from several companies. Therefore this research aims to keep the concrete quality in the above cases. This research has been done through literature review, questionnaire and the verification at the sample construction site. A literature review describes the general characteristics and quality control of concrete and a questionnaire describes the awareness and implementation of Korean Construction Specification(KCS). The production capacity and the delivery capacity of concrete suppliers is smaller than the daily quantity required on the sample site, therefore the placing of the concrete with different mixing ratio is inevitable and it can not keep the KCS. As a conclusion, this research proposed 5 alternatives and one of them has been adopted, i.e. to unify the concrete mix design of multiple concrete suppliers.

      • KCI등재
      • KCI등재후보

        REDUCTION OF PRESSURE RIPPLES USING A PARALLEL LINE IN HYDRAULIC PIPELINE

        김경훈,장주섭,D.-S. JUNG,H.-E. KIM 한국자동차공학회 2005 International journal of automotive technology Vol.6 No.1

        Pressure ripples, which are inevitably generated by a fluctuation of flow rate caused by a pump mechanism,ulic pipeline. These noises and vibration deteriorate the stability and accuracy ofhydraulic systems. The accumulator and hydraulic attenuator are normally used to reduce the pressure ripples. In thisstudy, a parallel line is introduced to the hydraulic pipeline for the hydraulic system with a bent-axis piston pump as amethod to reduce the pressure ripples. The dynamic characteristics of the hydraulic pipeline with a parallel line areanalyzed by a transfer matrix in the frequency domain. Thascertained by experiment and simulation. The results from the experiment and simulation show that the hydraulic pipelinewith a parallel line were effective in reducing the pressure ripples.

      • KCI등재
      • KCI등재

        RMESH 구조에서 선형 사진트리의 윈도우 연산을 위한 상수시간 알고리즘

        김경훈,우진운 한국정보과학회 2002 정보과학회논문지 : 시스템 및 이론 Vol.29 No.4

        Quadtree, which is a hierarchical data structure, is a very important data structure to represent binary images. The linear quadtree representation as a way to store a quadtree is efficient to save space compared with other representations. Therefore, it has been widely studied to develop efficient algorithms to execute operations related with quadtrees. The window operation is one of important geometry operations in image processing, which extracts a sub-image indicated by a window in the image. In this paper, we present an algorithm to perform the window operation of binary images represented by quadtrees, using three-dimensional n×n×n processors on RMESH(Reconfigurable MESH). This algorithm has constant-time complexity by using efficient basic operations to route the locational codes of quardtree on the hierarchical structure of n×n×n RMESH. 계층적 자료구조인 사진트리는 이진 영상을 표현하는데 매우 중요한 자료구조이다. 사진트리를 메모리에 저장하는 방법 중 선형 사진트리 표현 방법은 다른 표현 방법과 비교할 때 저장 공간을 매우 효율적으로 절약할 수 있는 이점이 있기 때문에 사진트리와 관련된 연산의 수행을 위해 선형 사진트리를 사용하는 효율적인 알고리즘 개발에 많은 연구가 진행되어 왔다. 윈도우 연산은 영상에서부터 윈도우에 표시된 부분 영상을 추출하는 연산으로, 영상 처리의 응용에서 중요하게 사용되는 기하학적 연산에 속한다. 본 논문에서는 RMESH(Reconfigurable MESH) 구조에서 3-차원 n×n×n 프로세서를 사용하여 선형 사진트리로 표현된 이진 영상의 윈도우 연산을 수행하는 효율적인 알고리즘을 제안한다. 이 알고리즘은 n×n×n RMESH의 계층구조에서 선형 사진트리의 위치코드들을 효율적으로 전송할 수 있는 기본적인 연산들을 이용함으로써 상수 시간의 시간복잡도를 갖는다.

      • 빙축열을 이용한 저온급기/급수 냉방 시스템

        김경훈,이종원,Kim, K.H.,Lee, J.W. 대한설비공학회 1991 설비저널 Vol.20 No.2

        This paper presents some design guidelines for using cold air/water distribution to cool commercial and industrial buildings. Cold air /water distribution systems provide primary air/water for space conditioning at nominal temperature between $3^{\circ}C$ and $10^{\circ}C$ ($4{\sim}5^{\circ}C$ might be recommendable for better selection). By using lower temperature primary air/water equipment could be downsized, means lower first costs, and often reduce annual energy costs up to 50% less than that of the conventional ($13^{\circ}C$) system. This concept takes full advantages of the $2{\sim}4^{\circ}C$ chilled water (brine) available with ice storate systems.

      • KCI등재

        Examining the Relationships among Attitude toward Luxury Brands, Customer Equity, and Customer Lifetime Value in a Korean Context

        김경훈,박성연,Seunghee Lee,Bing Xu,Byung Joo Jeon,Hak Il Moon,Dee K. Knight 한국마케팅과학회 2010 마케팅과학연구 Vol.20 No.1

        During the past 10 years, sales of luxury goods increased significantly to more than US$ 130 billion in 2007. In this industry, more than half of the revenue comes from Asia where the average income has risen significantly, and the demand for luxury products is forecast to grow rapidly. Purchasing luxury brands appears to be an intriguing social phenomenon that is profitable for companies in this region. As a newly developed country, Korea is one of the most attractive luxury markets in Asia. Currently, a total of 120 luxury fashion brands have entered the Korean market, primarily in luxury districts in Seoul where the competition is fierce. The purposes of this study are to: (1) identify antecedents of attitude toward luxury brands, (2) examine the effect of attitudes toward luxury brands on customer equity, (3) determine the impact of attitudes toward luxury brands on customer lifetime value, and (4) investigate the influence of customer equity on customer life time value. Previous studies have examined materialism, social need, experiential need, need for uniqueness, conformity, and fashion involvement as antecedents of attitude toward luxury brands. Richins and Dowson (1992) suggested that that materialism influences consumption behavior relative to quantity of goods purchased. Nueno and Quelch (1998) reported that the ownership of luxury brands conveys information related to the owner’s social status, communicates an image of success and prestige, and is a determinant of purchase behavior. Experiential need is recognized as an important aspect of consumption, especially for new products developed to meet consumer demand. Since luxury goods, by definition are relatively scarce, ownership of these types of products may fulfill consumers’ need for uniqueness. In this study, value equity, relationship equity, and brand equity are examined as drivers of customer equity. The sample (n = 114) was undergraduate and graduate students at two private women’s universities in Seoul, Korea. Data collection was conducted using a self-administered questionnaire survey in March, 2009. Data analysis included descriptive statistics, factor analysis, reliability analysis, and regression analysis using SPSS 15.0 software. Data analysis resulted in a number of conclusions. First, experiential need and fashion involvement positively influence participants’ attitude toward luxury brands. Second, attitude toward luxury brands positively influences brand equity, followed by value equity and relationship equity. However, there is no significant relationship between attitude toward luxury brand and customer lifetime value. Finally, relationship equity positively influences customer lifetime value. In conclusion, young consumers are an important potential consumer group that tries different brands to discover the ones most suitable for them. Luxury marketers that use effective marketing strategies to attract and engender loyalty among this potentially lucrative consumer group may increase customer equity and lifetime value.

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