• 제목/요약/키워드: inner-object

검색결과 169건 처리시간 0.023초

초음파에 의해서 가진되어지는 Flexural Beam의 동특성에 관한 연구 (A study on the dynamic characteristics of exciting Flexural beam by ultrasonic wave)

  • 정상화;신상문;김광호;이상희;김주환
    • 한국소음진동공학회:학술대회논문집
    • /
    • 한국소음진동공학회 2006년도 추계학술대회논문집
    • /
    • pp.792-796
    • /
    • 2006
  • In recent years, the semiconductor industry and the optical industry is developed rapidly. The recent demand has expanded for optical components such as a optical lens, a optical semiconductor and a measuring instrument. Object transport systems are driven typically by the magnetic field and the conveyer belt. Recent industry requires more faster and efficient transport system. However, conventional transport systems are not adequate for transportation of optical elements and semiconductors. Because conveyor belts can damage precision optical elements by the contact force and magnetic systems can destroy the inner structure of semiconductor by the magnetic field. In this paper, the levitation transport system using ultrasonic wave is developed for transporting precision elements without damages. This transport system is using 2-mode ultrasonic wave excitation and flexural beam modes shapes are evaluated. It compared simulation results with experimental results

  • PDF

Walker와 Avant 기법을 활용한 원불교 마음공부집단상담 프로그램에서의 마음공부의 개념 분석 (The Concept Analysis of Won-Buddhism's Maumgongbu in Group Counseling based on Walker and Avant's Strategy)

  • 양경희
    • 동의신경정신과학회지
    • /
    • 제24권3호
    • /
    • pp.229-244
    • /
    • 2013
  • Objectives : The purpose of this study was to provide information about Maumgongbu to meet the needs of people by analysing the concept of Maumgongbu in group counseling. Methods : This study was conducted using Walker and Avant's Concept Analysis Strategy. Dictionaries, Wonbuddhism's Kyunjions and literatures, and participants' journals were reviewed after enrolling in Onsarm maumgongbu group counseling. Results : The attributes of the Maumgongbu include emotion, object, self-reflection, attribution, and creativity. The antecedents of "Maumgongbu" are the conditions arising from negative emotions. The Maumgongbu helps people find the emotional causality of their inner self by self-reflecting, getting out of false belief, restoring positive emotions, maintaining healthy and warm relationships with oneself, family, friends and society. Above all, the Maumgongbu makes people experience tranquility and true happiness and activate their positive energy or power. Conclusions : If there is a clear indication of linkage to principles, attributions, precedents and consequences, and empirical referents to any of Maumgongbu programs, there is no doubt that our understanding of the human mind and lives will be greatly enriched. Furthermore, self-discipline and steadfast complements give us calmness, peacefulness and better quality of life.

TV 오락프로그램에 나타난 TV 메이크업 -한국적 미의식의 자연미를 중심으로- (TV Makeup Shown in TV Entertainment Programs -Focus on the Natural Beauty of Korean Aesthetics-)

  • 김민신;채금석
    • 한국의류학회지
    • /
    • 제38권4호
    • /
    • pp.482-494
    • /
    • 2014
  • This study researched TV makeup types with a focus on Korean aesthetics. First, natural beauty is expressed with a random form that excluded artificial techniques or decorations often shown in the form of incompletion and space through TV entertainment programs. Incompletion is what excludes artificial technique and denies the whole completion in expressing a face, it shows the intentional incompletion that leaves it as a bare face that has no type, no color, and no decoration. A pursuit for purity, as nature leads to realizing the internal world of concentrating on the essence of object. Space is what makes it empty without filling, it offers a mental space in the inner side so that diverse images can be imagined beyond external form. This trend is indicated similarly to the tendency that the recent global interest in naturalism yearns for purity in nature and wellbeing. The presentation of skin (preferably healthy looking skin) is given attention; consequently, the similarity was being shown between the TV makeup that focuses on expressing skin and recent trends.

PMSM 전동기 모터의 복합 열전달 해석을 위한 CFD 프로그램 개발 (DEVELOPMENT OF CFD PROGRAM FOR THE CONJUGATE HEAT TRANSFER ANALYSIS OF PMSM ELECTRIC MOTOR)

  • 이정희;;허남건;김주한;김영균
    • 한국전산유체공학회:학술대회논문집
    • /
    • 한국전산유체공학회 2011년 춘계학술대회논문집
    • /
    • pp.488-493
    • /
    • 2011
  • The object of this study is to develope the program for analyzing the fluid flow and heat transfer of PMSM electric motor. The program will be mainly used for inexperienced users of CFD analysis. So it has to be performed using the geometry data and the heat source of each part only. Interface program for converting the given data to the instruction of pre-processor is developed. The conjugate heat transfer between a flow passage of the motor and inner parts consisting of rotor and stator is regarded. In order to reduce the computational time and memory storage, cyclic boundary condition is applied. For the numerical simulation, MRF(Multi-Reference Frame) method is used to consider rotating operation of the rotor and heat source is applied to the copper, wire, and magnetic parts in the motor. On the screen of computer, the users can show the velocity distributions and the contours such as pressure, turbulent kinetic energy, turbulent dissipation rate and temperature.

  • PDF

Black-Box Classifier Interpretation Using Decision Tree and Fuzzy Logic-Based Classifier Implementation

  • Lee, Hansoo;Kim, Sungshin
    • International Journal of Fuzzy Logic and Intelligent Systems
    • /
    • 제16권1호
    • /
    • pp.27-35
    • /
    • 2016
  • Black-box classifiers, such as artificial neural network and support vector machine, are a popular classifier because of its remarkable performance. They are applied in various fields such as inductive inferences, classifications, or regressions. However, by its characteristics, they cannot provide appropriate explanations how the classification results are derived. Therefore, there are plenty of actively discussed researches about interpreting trained black-box classifiers. In this paper, we propose a method to make a fuzzy logic-based classifier using extracted rules from the artificial neural network and support vector machine in order to interpret internal structures. As an object of classification, an anomalous propagation echo is selected which occurs frequently in radar data and becomes the problem in a precipitation estimation process. After applying a clustering method, learning dataset is generated from clusters. Using the learning dataset, artificial neural network and support vector machine are implemented. After that, decision trees for each classifier are generated. And they are used to implement simplified fuzzy logic-based classifiers by rule extraction and input selection. Finally, we can verify and compare performances. With actual occurrence cased of the anomalous propagation echo, we can determine the inner structures of the black-box classifiers.

NEAR-EARTH OBJECT SURVEY SIMULATIONS WITH A REVISED POPULATION MODEL

  • Moon, Hong-Kyu;Byun, Yong-Ik;Yim, Hong-Suh;Raymond, Sean N.
    • 천문학회지
    • /
    • 제41권1호
    • /
    • pp.7-15
    • /
    • 2008
  • We carried out a set of simulations to reproduce the performance of wide-field NEO surveys based on the revised population model of Near Earth Objects (NEOs) constructed by Morbidelli (2006). This is the first time where the new model is carefully compared with discovery statistics, and with the exception of population model, the simulation is identical to the procedure described in Moon et al. (2008). Our simulations show rather large discrepancy between the number of NEO discoveries made by the actual and the simulated surveys. First of all, unlike Bottke et al. (2002)'s, Morbidelli (2006)'s population model overestimates the number of NEOs. However, the latter reproduces orbit distributions of the actual population better. Our analysis suggests that both models significantly underestimate Amors, while overestimating the number of Apollos. Our simulation result implies that substantial modifications of both models are needed for more accurate reproduction of survey observations. We also identify Hungaria region (HU) to be one of the most convincing candidates that supply a large fraction of asteroids to the inner Solar System.

MS Kinect 를 이용한 Free Viewpoint TV System 설계 (Design of Free Viewpoint TV System with MS Kinects)

  • 이준협;양윤모;오병태
    • 한국방송∙미디어공학회:학술대회논문집
    • /
    • 한국방송공학회 2015년도 하계학술대회
    • /
    • pp.122-124
    • /
    • 2015
  • 본 논문에서는 Microsoft 에서 나온 여러 대의 Kinect 를 이용하여 Free Viewpoint TV System 을 구현해 보고자 한다. Kinect 로부터 얻어진 색상 영상과 깊이 영상을 통하여, 실시간으로 두 대의 카메라 사이에서의 가상시점에서 영상이 출력되는 시스템을 설계한다. 또한, 여러 대의 Kinect 를 이용할 때, 간섭현상으로 인해 IR 패턴을 제대로 인식하지 못하여 홀이 생성되는 문제점을 확인하고, Nearest Neighbor 방식과 Inpainting 기법을 사용하여 홀을 제거하는 방식을 소개한다. 실험 결과, 홀의 주변과 비슷한 값으로 홀을 채울 수 있었지만, 홀의 크기에 따라 Edge 경계가 부정확해 지는 현상을 확인할 수 있다.

  • PDF

실내건축의 욕망유형을 통한 욕망구조 특성에 관한 연구 -라깡의 욕망이론을 중심으로- (A Study on the Desire Structure through the Desire Type of Interior Architecture -Focus on the Lacan's Desire-theory-)

  • 안은희;이정욱
    • 한국실내디자인학회논문집
    • /
    • 제16권4호
    • /
    • pp.21-30
    • /
    • 2007
  • `Desire` in this study is not something desire in the used to be-way we can deal with it. This study is to figure out 'desire structure' of interior architecture as a significant measure to interpret the Lacan's desire theory. It is also examines Lacan's concept of desire as defined in the mechanisms of language, in relation to architecture and interior architecture, and in the concept of the objet a(the unattainable object of desire), in the structure of desire as it can be seen in interior architecture. In particular, it analyzed that the desire structure have influenced on some kind of specific desire types what is expressed a characteristic to interior spaces of intimacy, perpetuity, representation, expression. These types reveal the characteristics of desire structure in inner space of interior architecture through negativing and fantasying. The focus on the structure becomes a major issue in almost many kinds of contemporary knowledge-system that starts from the mind to go out to the space in a material or non-meterial(spiritual) way. Therefore, the desire structure reconstructs the Real to make itself through negative and fantastic creation-process. It is important that desire characteristics help detect behind beneath the singularity of interior spaces more than what we know.

토지이용의 지각특성을 고려한 농촌경관 선호성 분석에 관한 연구 (Analysis of landscape preference based on the perception of rural randuse patterns)

  • 서주환;최현상
    • 농촌계획
    • /
    • 제4권2호
    • /
    • pp.29-40
    • /
    • 1998
  • The landscape of rural settlement incurred the loss and worsening of its main feature in the modernization which was progressed by the inner and outer cause - the growth of urbanization and improvement of living and dwelling environment. This study investigates the visual characteristic of land-use in rural and analyzes relations between visual quantities by land-use and a pre(essence of landscape. And it is suggested the basic data of a planning and a management in rural by making clear characteristics and influences of landscape preference elements The visual characteristic of landscape elements that is based on the rural land-use is classified harmony, variety, variables and particulate. And it is classified the object of landscape by recognizing images of landscape produce space, natural environment, settlement place and cultivated land of a special products. In the analysis of landscape preference, it appears that the harmony has a great influence on a suburban, a rural, a mountainous district, and a hamlet in psychology elements and the volume of forest area in visual elements. As a result, it requests rural scenes in harmony with the natural environment. So, the landscape planning which has the regional development and the identity as the rural settlement can be represented by the preservation and development of regional feature.

  • PDF

벡터 내적연산을 이용한 지오메트리 절삭 솔루션 (Geometry Cutting Solution using Vector Dot Product)

  • 황민식
    • 한국멀티미디어학회논문지
    • /
    • 제19권8호
    • /
    • pp.1337-1344
    • /
    • 2016
  • As the visual effect frequently used in movies or animations, special effects are well suited for the creation of buildings or materials' destruction and collapse scenes. With the relevant programs developing technologically, the adoption of a real-time physically based-system makes it possible to realistically express dynamic simulations. In the large scale, the visual expression of such effects of destroying is satisfying enough, but most common programs of those effects fail to maximize visual effect generated with the cutting of small materials. Besides, to perform a heavy simulation process needs high-performance hardware and programs, where high costs would become a serious issue. For this reason, this paper suggests a solution optimized for the effect of small materials-cutting. The progress of each step shows technologies which trace movement with the state of the completion of the character's motions and then cut the material in real-time, finally led to the very realistic visual effect. Besides, using vector inner calculation to follow the motions of object and to realize cutting effect, this study provides an experiment that constructs visual effect for visualization from the basis of mathematical algorithm and it would be certainly as an educational material used for further researches.