• Title/Summary/Keyword: Multi-dimensional development

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An Exploratory Study on the Development of Hanbok Culture Industry (한복 문화 산업의 발전을 위한 탐색적 연구)

  • Eunju Park;Young-Ju Rhee
    • Journal of Fashion Business
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    • v.27 no.2
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    • pp.140-152
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    • 2023
  • In this study, in-depth interviews with Hanbok experts on the development direction of the Hanbok culture industry were performed to listen to professional and future-oriented opinions for the development of Hanbok culture and the Hanbok industry. Interviews were conducted with 12 experts to identify the perception of the Hanbok culture industry and to confirm the possibility of sustainable development of Hanbok as a global culture. First, the results of this study should be preceded by the establishment of concepts such as traditional Hanbok, daily Hanbok, fusion Hanbok, and new Hanbok, and design, education, and government support suitable for each field are required. Second, the responsible craftsmanship of the Hanbok industry, the development of Hanbok design with the aesthetics and convenience of Hanbok designers, multi-dimensional research with high academic use, and systematic support for various Hanbok-related programs and events by the government are needed. Third, the government should promote and actively wear Hanbok through various media to revitalize the Hanbok culture, such as establishing a Hanbok wearing day, reviving etiquette education in school, and providing local-based Hanbok wearing experience education. Fourth, in order to cultivate professional manpower, detailed Hanbok education by field is necessary, and specialized education tools, such as distribution, VMD, and stylist are proposed.

Feasibility study on an acceleration signal-based translational and rotational mode shape estimation approach utilizing the linear transformation matrix

  • Seung-Hun Sung;Gil-Yong Lee;In-Ho Kim
    • Smart Structures and Systems
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    • v.32 no.1
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    • pp.1-7
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    • 2023
  • In modal analysis, the mode shape reflects the vibration characteristics of the structure, and thus it is widely performed for finite element model updating and structural health monitoring. Generally, the acceleration-based mode shape is suitable to express the characteristics of structures for the translational vibration; however, it is difficult to represent the rotational mode at boundary conditions. A tilt sensor and gyroscope capable of measuring rotational mode are used to analyze the overall behavior of the structure, but extracting its mode shape is the major challenge under the small vibration always. Herein, we conducted a feasibility study on a multi-mode shape estimating approach utilizing a single physical quantity signal. The basic concept of the proposed method is to receive multi-metric dynamic responses from two sensors and obtain mode shapes through bridge loading test with relatively large deformation. In addition, the linear transformation matrix for estimating two mode shapes is derived, and the mode shape based on the gyro sensor data is obtained by acceleration response using ambient vibration. Because the structure's behavior with respect to translational and rotational mode can be confirmed, the proposed method can obtain the total response of the structure considering boundary conditions. To verify the feasibility of the proposed method, we pre-measured dynamic data acquired from five accelerometers and five gyro sensors in a lab-scale test considering bridge structures, and obtained a linear transformation matrix for estimating the multi-mode shapes. In addition, the mode shapes for two physical quantities could be extracted by using only the acceleration data. Finally, the mode shapes estimated by the proposed method were compared with the mode shapes obtained from the two sensors. This study confirmed the applicability of the multi-mode shape estimation approach for accurate damage assessment using multi-dimensional mode shapes of bridge structures, and can be used to evaluate the behavior of structures under ambient vibration.

Multiple Implications of the Restoration of Coastal Wetland Ecosystem and the Establishment of a Strategic Restoration Framework (갯벌복원의 함의와 복원추진체계 구축에 관한 연구)

  • Nam, Jungho;Son, Kyu-Hee;Khim, Jong Seong
    • Ocean and Polar Research
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    • v.37 no.3
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    • pp.211-223
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    • 2015
  • Korean society has been recently promoting the restoration of coastal wetlands. These efforts might become the basis of a policy framework that compensates for the limitations of a regulation-oriented policy such as the designation of Marine Protected Areas (MPAs). The shift in government policy could contribute to strengthening the socioeconomic infrastructure of coastal development through the accumulation of ecological capital. Although our scientific efforts and social demands in regard to the ecological restoration of the coastal wetlands have increased during the past years, the bases for restoration in Korea requires that scientific, technological, financial, social and legal aspects be enhanced. The present study re-examined the concept and attitudes behind coastal wetland restoration in the light of changing circumstances in Korea. Herein, we first defined coastal wetland restoration as "An act of recovering the functions of the ecosystem of coastal wetlands to a state that resembles conditions prior to being damaged." Next, this study discussed the limitations and future directions of such restoration efforts based on the descriptive analyses of recent restoration practices from social, economic, and technological aspects. Finally, we suggest future policy directions regarding coastal wetland restoration on the basis of a PFST (Policy, Financial, Social, and Technological) analysis; 1) re-arranging legal mechanisms, 2) setting multi-dimensional restoration goals, 3) establishing a multi-discipline- and convergence based R&D system, 4) linking spatial management and local development to the restoration, 5) building restoration governance at the local level, 6) implementing an ecosystem service payment system, and 7) applying test-bed projects in accordance with proper directions.

Aerodynamic Heating Analysis of Spike-Nosed Missile (스파이크가 부착된 유도탄의 공력 가열 해석)

  • Jung Suk Young;Yoon Sung Joon;Byon Woosik;Ahn Chang Soo
    • Journal of the Korea Institute of Military Science and Technology
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    • v.7 no.3 s.18
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    • pp.21-29
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    • 2004
  • Numerical analysis of aerodynamic heating for KPSAM is performed using aerodynamic heating model suitable to KPSAM, which has complex flow field resulting from the spike attached to the dome, such as large separation area and the strong shock/boundary layer interaction region around reattachment point on the dome. The aerodynamic heating model is validated and modified through the comparison between the flight test measurement and the thermal analysis results. TFD temperature sensors are installed on the dome to measure surface temperature during the flight. Computation results, obtained from the heat transfer analysis on the sensors, agree well with flight test data. The aerodynamic heating model provides heat transfer rate into surface as a boundary condition of unsteady 1D/axisymmetric thermal analysis on the missile structure. The axisymmetric thermal analysis using FLUENT is more versatile than the 1D analysis and can be applied to the heating problem related with complex structures and multi-dimensional heat transfer problems such as prediction of temperature rise at contact surface of different materials.

Exploration of the Structure of Relational Self and Development of the Relational Self Scale among Korean Adults (한국 성인의 관계적 자기 구성요인 탐색 및 척도개발)

  • Heejeong Bang;Jinyoung Yun;Ahyoung Kim;Hyeja Cho;Sookja Cho;Hyun-jeong Kim
    • Korean Journal of Culture and Social Issue
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    • v.13 no.3
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    • pp.23-63
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    • 2007
  • The purpose of this study is to develop and verify the Relational Self Scale(RSS). Based on the theoretical assumptions which relational self is multi-dimensional and constructed in social contexts, 10 categories with 102 items were yielded. In the process of content analysis, item analysis, exploratory factor analysis and correlation analysis by administering 102 items to korean adults, 31 items with 7 factors are extracted. The 7 factors are consisted of 'avoidance of relation', 'consciousness of others', 'agency', 'instrumental relation', 'empathy-care', 'perceived support from relation' and 'over-dependency to relation'. Next, Confirmatory factor analysis was conducted with 649 korean adults aged from 20's to 60's. The results of confirmatory factor analysis showed the RSS as a valid scale. The 7 factors of the RSS fitted well with men and women. The internal consistency of the RSS was proved to be acceptable. The latent mean analysis indicated that the relational self was not significantly different between men and women at 7 factors. Correlation analysis showed that the construct of relational self was significantly related to relational self-construal, self-esteem and attachment to parent and intimacy person. This study has implication in that relational self is defined and assessed as multi-dimensional construct, and that by administering RSS it is possible to evaluate distinctive korean people's relational self.

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Design Route Analysis of Dangerous Road for Traffic Accident using GIS (GIS를 이용한 사고 위험도로의 설계노선 분석)

  • Lee, Kye-Dong;Jung, Sung-Heuk;Lee, Jae-Kee
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.26 no.6
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    • pp.591-598
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    • 2008
  • Recently, the government has improvement projects of dangerous road for the site that has very high accident rate due to bad geometric structures of the road. Although, route selecting of the road is a basic and important process, but the process of route selecting must consider the technical, safety and environment factor together. Also, the technology for the 3-dimensional terrain model can be used as an important factor in planning and designing for selecting alternative route projects. In the course of experimenting with the 3-dimensional topography generated by the combination of the digital map and drawing of route, the technology as been developed to offer the multi-dimensional access to the potential construction sites from the nearby main roads. This 3-dimensional digital elevation model has made it possible to make various terrain analysis base on GIS, which provides real-time virtual access to the designated construction sites for development planning and construction projects. Therefore, this study presents a reasonable plan for route selecting from some alternative routes through subjective evaluation and classify the methods linked basic design of road construction.

Development and Evaluation of the Reliability and Validity of the VSSS-82 Korean Version for Measuring Satisfaction with Community-based Mental Health Services in Psychiatric Patients (지역사회정신보건서비스 이용자의 만족도 측정을 위한 한국어판 Verona Service Satisfaction Scale-82 (VSSS-82)의 개발 및 신뢰도와 타당도 평가)

  • Yoo, Weon-Seob;Moon, Ok-Ryun;Nam, Jung-Hyun;Shin, Young-Jeon
    • Journal of Preventive Medicine and Public Health
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    • v.34 no.3
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    • pp.211-218
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    • 2001
  • Objectives : To develop a Korean version of VSSS-82 for measuring the multi-dimensional satisfaction with community-based mental health services in psychiatric patients and to investigate both the reliability and validity of the Korean version. Methods : The VSSS-82 English version was translated and back-translated with some modification. Data from 68 psychosis patients using community-based mental health services in three Community Mental Health Centers (CMHCs) was collected through a personal interview survey regarding the satisfaction and suitability of service. Variability of satisfaction and internal consistency, discriminant validity, and concurrent validity of the VSSS-82 Korean version were evaluated. Results : A higher number of dissatisfied subjects and significant pairwise differences for the dimensions were found. The Crohnbach's alpha coefficient, a measure of internal consistency, ranged from 0.56(overall satisfaction) to 0.90(skills and behavior) and significant differences in satisfaction was found in patients by the self-rated suitability of service. Conclusions : The VSSS-82 Korean version is a reliable and valid instrument for measuring multi-dimensional satisfaction with community-based mental health service.

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Development of Digital 3D Real Object Duplication System and Process Technology (디지털 3차원 실물복제기 시스템 및 공정기술 개발)

  • Kim D.S.;An Y.J.;Lee W.H.;Choi B.O.;Chang M.H.;Baek Y.J.;Choi K.H.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.06a
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    • pp.732-737
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    • 2005
  • Distal 3D Real Object Duplication System(RODS) consists of 3D Scanner and Solid Freeform Fabrication System(SFFS). It is a device to make three-dimensional objects directly from the drawing or the scanning data. In this research, we developed an office type SFFS based on Three Dimensional Printing Process and a industrial SFFS using Dual Laser. An office type SFFS applied sliding mode control with sliding perturbation observer(SMCSPO) algorithm for control of this system. And we measured process variables about droplet diameter measurement and powder bed formation etc. through experiments. Also, in order to develop more elaborate and speedy system for large objects than existing SLS process, this study applies a new Selective Multi-Laser Sintering(SMLS) process and 3-axis dynamic Focusing Scanner for scanning large area instead of the existing $f\theta$ lens. In this process, the temperature has a great influence on sintering of the polymer. Also the laser parameters are considered like that laser beam power, scan speed, scan spacing. Now, this study is in progress to eveluate the effect of experimental parameters on the sintering process.

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A Study on the Development of Multi-Purpose Measurement System for the Evaluation of Ship Dynamic Motion (선체운동 평가를 위한 다목적 계측시스템 개발에 관한 연구)

  • Kim Chol-Seong;Lee Yun-Sok;Kong Gil-Young;Jung Chang-Hyun;Kim Dae-Hae;Cho Ik-Soon
    • Journal of Navigation and Port Research
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    • v.29 no.10 s.106
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    • pp.847-852
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    • 2005
  • In order to evaluate the safety of navigation at sea and the safety of mooring on berthing, it is necessary that the wave and wind induced ship dynamic motion should be measured in real time domain for the validity of theoretical evaluation method such as sea-keeping performance and safety of mooring. In this paper, the basic design of sensors is discussed and some system configurations were shown. The developed system mainly consists of 4 kinds of sensors such as three-dimensional accelerator, two-dimensional tilt sensor, azimuth sensor and two displacement sensors. Using this measuring system, it can be obtained the 6 degrees of freedom of ship dynamic motions at sea and on berthing such as rolling, pitching, yawing, swaying, heaving, surging under the certain external forces.

The Study of the Analysis of a User's Perception of Screen Component for Inducing Emotion in the 3D Virtual Reality Environment (3차원 가상현실 환경에서의 감성 유발 화면 구성 요소에 대한 사용자 인식 분석 연구)

  • Han, Hyeong-Jong
    • The Journal of the Korea Contents Association
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    • v.18 no.7
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    • pp.165-176
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    • 2018
  • With the development of information and communication technology, the possibility of utilizing 3D virtual reality in education has been sought. Especially, the screen composition in the virtual reality has the possibility of inducing the emotion of the user which may affect the learning. However, there is little research on what aspects of the screen can cause emotions. The purpose of this study is to analyze the user's perception of screen components inducing emotion in virtual reality learning environment. Using Multi Dimensional Scaling (MDS), the user's perception of the main screen in a representative virtual reality learning environment platform was investigated. As a result, the dimension of depth on the screen and the dynamics of the avatar related to the movement were confirmed. This study is meaningful to explore technical variables that can induce emotions among screen elements in virtual reality contents.