• 방송과미디어
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• 제11권4호
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• pp.118-131
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• 2006

최근 초고속 인터넷과 디지털미디어의 획기적인 발전으로 전통적인 시청각미디어의 한계를 뛰어넘어 인간의 오감을 자극할 수 있는 실감방송이 차세대 방송기술로 등장하고 있다. 본 논문은 인간의 오감 중 촉각을 중심으로 하여 시청자들이 시청각미디어를 만지고 느낄 수 이는 촉각방송시스템은 전체적으로 촉가미디어의 획득 및 생성하는 단계 다양한 촉각미디어를 한 화면에 편집하고 저작하는 단계, 저작된 콘텐츠를 압축 및 전송하는 단계, 전송된 콘텐츠를 단말장치를 통해 재현하는 단계로 이루어진다. 촉각방송에서 촉각미디어는 시청자가 미디어를 능동적으로 만지고 조작하거나 미디어에서 제공하는 움직임을 따라하거나 촉감을 피부로 느낄 수 있도록 3차원 현상, 조작기능(버튼, 슬라이더, 조이스틱 등), 촉각 표면 특성(딱딱함, 정적 마찰계수, 동적 마찰계수, 거칠기 등), 움직임(위치, 속도, 가속도 등), 촉감 정보 등을 포함한 매체로 정의한다. 제안한 촉각방송 시스템에서는 3차원 객체 만지고 조작하기, 3차원 영상 만지기, 역감 재생, 촉감 재생 등의 네 가지 촉각 상호작용이 가능하며 적용례로써 홈쇼핑, 촉감효과가 가미된 영화, 지휘 교육 시나리오를 제시하였다.

• 품질경영학회지
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• 제45권3호
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• pp.521-532
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• 2017

Purpose: The purpose of this study is to structure affective factors related to the tactile sense in order to improve tactile sensibility satisfaction of interior material. In this paper, we propose the design direction of interior material by analyzing the association between material properties and affective factors for automotive interior material. Methods: The relationship between sensibility adjectives and feelings related to tactile sensation were derived through factor analysis after touching prepared samples that were made by changing the material properties of automotive interior material. The association between affective factors and interior material properties were analyzed through ANOVA. Results: Seven kinds of visual and tactile affective factors were derived from the correlation between feeling of material and sensibility adjectives measured by 215 subjects. It is found that there is a quadratic relationship rather than a linear relationship through association analysis between affective factors and the material properties such as roughness, friction coefficient, and hardness. Conclusion: This study suggests the direction of the interior material design which can improve the sensibility satisfaction of the automobile customers by identifying the tactile factors related to the material properties of automotive interior material.

• 대한물리의학회지
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• 제4권3호
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• pp.201-207
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• 2009

Purpose：The purpose of this study was to investigate the effect of $\alpha$-wave music and art appreciation on hand function in stroke with hemiplegia. Methods：A total of 32 stroke with hemiplegia participated in this study experimental group(16 subjects) received $\alpha$-wave music and art appreciation with general neurologic therapy. Control group(16 subjects) received general neurologic therapy. All subjects were assessed for hand function(manual dexterity, power grip, pinch grip, two point discrimination(parm, finger), tactile sense(parm, finger) using a purdue pegboard, dynamometer, pinch gauge, two-point anethesiometer and semmes-weinstein monofilament wire. The data were analyzed using paired and independent t-test. Results：The results were as follows : 1. In the experimental group, manual dexterity were significantly increased between pre and post intervention(p<.05). 2. In the experimental group, tactile sesne in finger were sifnificantly increased between pre and post intervention(p<.05). Conclusion：The results of this study shows that $\alpha$-wave music and art appreciation affect the hand function of hemiplegic side with regard to manual dexterity and tactile sense.

• 한국초등과학교육학회지:초등과학교육
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• 제22권1호
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• pp.121-129
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• 2003

The enhancement of inquiry skills has been emphasized as a important objective of science education for a long time. Of these, the observation is not only a simple and basic skill, but also a very important skill, in aspect of gathering informations about the nature of all things around us, through interaction between the sense organs of body and objectives. The purpose of this study is to investigate the results of observations about the grasshopper(Oxya chinesis), made by the elementary student from the 3rd to the 6th grade, and to make use of them as the basic materials for the observative teaming and the evaluation of the observation ability. Through this study, the collected items of observation are as follows For grasshopper, a total of observation items is 95, 70 using the sight sense, 13 using the tactile sense,7 using the olfactory sense. 3 using the palate sense and 2 using the auditory sense. In this study, the findings of elementary student's observation are as follows. 1. On the whole, most of students have observed mainly by the sight and the tactile sense, when observing the grasshopper. 2. It is showed a tendency that the observation ability of student is increased with the higher grade in elementary school. 3. As the grade ascends. the observations with operating are increased, also the quantitative expression and interpretation about them are increased. 4. In the case of same grade, there is no significant difference between students' gender, though girls' ability of the observation showed somewhat higher than boys' 5. Occasionally, the interpretations on the observative facts made by student, are inaccurate. Basis on the above results, we suggested some directions for the improvement of the observative learning program in science classroom of elementary school. First, the teacher have to serve as a guide and encouragement in the observative learning class, to be accomplished the various observation, which all the sensory organ can be used by student than the sight sense. Second, to get elevated the ability of observation, it is necessary that some experimental tools(magnifying lens, stereoscope, auxiliary implements etc.) are utilized. Third, the teacher have to make often endeavors showing an example of operation, to be activated the atmosphere of operative observation.

• 감성과학
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• 제16권2호
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• pp.157-166
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• 2013

자동차 인테리어에 사용된 여러 가지 재질에 대하여 현재까지 촉감을 측정하고 평가하여 소재의 적용과 표면질감의 기준을 결정하고자 했던 연구는 자동차의 조작 장치에 대한 인간공학적 평가, 시각적 디자인요소에 대한 연구에 비해서는 많지 않다. 본 연구에서는 자동차 인테리어의 여러 소재에 대한 촉감 관련 감성을 측정하고 평가하는데 사용될 수 있는 촉감 관련 대표감성을 추출하고자 하였다. 기존의 감성어휘 연구에서 추출되어 있는 대표감성어휘를 이용하여, 자동차에 탑승하여 여러 재질을 보고 만지면서 촉각으로 느껴지는 촉감에 대해 느껴지는 감성어휘와 자동차 사용기의 분석 및 자동차 전문가에 대한 인터뷰 등을 종합하여 최종적으로 52개의 촉감 관련 감성어휘를 추출하였다. 이를 요인분석한 결과 거칠기, 단단함, 마찰감, 안락감, 뻣뻣함, 부드러움, 온도감, 매끈함, 친숙함, 유연함 등 10개의 대표감성으로 분류되었다. 이러한 대표감성 어휘는 자동차 인테리어의 촉감에 대한 소비자의 감성을 측정하고 평가하는데 활용될 수 있을 것이며 금속, 플라스틱, 가죽 등 다양한 소재들의 고급감을 향상시킬 수 있는 질감을 결정할 수 있는 감성평가의 기본 자료로 활용될 수 있을 것이다.

• KIEE International Transaction on Electrical Machinery and Energy Conversion Systems
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• 제5B권2호
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• pp.118-122
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• 2005

Electro-chemo-mechanical devices or artificial muscles based on conducting polymers (CP) are presented as bilayers, CP/adhesive polymer, or as triple layers, CP/adhesive polymer/CP. Those soft and wet materials, working in aqueous solutions of a salt, mimic the composition of most organs from animals. Under electrochemical control, so working as new electrical machines, they produce continuous, reverse and elegant bending movements, mimicking those produce by animal muscles. By means of the current a perfect controls of the movement rate is attained giving soft and continuous movements. Muscles able to sense the chemical and mechanical conditions of work or muscle having tactile sense, as will be presented here, are being developed. All of them are founded on the non-stoichiometric nature of the soft and wet materials.

• 대한기계학회논문집A
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• 제30권4호
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• pp.364-372
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• 2006

In this paper, we present a finger tip tactile sensor which can detect contact normal force as well as slip. The sensor is made up of two different materials, such as polyvinylidene fluoride (PVDF) known as piezoelectric polymer, and pressure variable resistor ink. In order to detect slip on the surface of the object, two PVDF strips are arranged along the normal direction in the robot finger tip and the thumb tip. The surface electrode of the PVDF strip is fabricated using silk-screening technique with silver paste. Also a thin flexible force sensor is fabricated in the form of a matrix using pressure variable resistor ink in order to sense the static force. The developed tactile sensor is physically flexible and it can be deformed three-dimensionally to any shape so that it can be placed on anywhere on the curved surface. In addition, a tactile sensing system is developed, which includes miniaturized charge amplifier to amplify the small signal from the sensor, and the fast signal processing unit. The sensor system is evaluated experimentally and its effectiveness is validated.

• 한국정밀공학회지
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• 제31권8호
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• pp.683-688
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• 2014

This paper presents a high-performance flexible tactile sensor based on inorganic silicon flexible electronics. We created 100 nm-thick semiconducting silicon ribbons equally distributed with 1 mm spacing and $8{\times}8$ arrays to sense the pressure distribution with high-sensitivity and repeatability. The organic silicon rubber substrate was used as a spring material to achieve both of mechanical flexibility and robustness. A thin copper layer was deposited and patterned on top of the pressure sensing layer to create a flexible temperature sensing layer. The fabricated tactile sensor was tested through a series of experiments. The results showed that the tactile sensor is capable of measuring pressure and temperature simultaneously and independently with high precision.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 2005년도 ICCAS
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• pp.1808-1813
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• 2005

In this paper, we present the finger tip tactile sensor which can detect contact normal force as well as slip. The developed sensor is made of two different materials, such as polyvinylidene fluoride(PVDF) that is known as piezoelectric polymer and pressure variable resistor ink. In order to detect slip to surface of object, a PVDF strip is arranged along the normal direction in the robot finger tip and the thumb tip. The surface electrode of the PVDF strip is fabricated using silk-screening technique with silver paste. Also a thin flexible force sensor is fabricated in the form of a matrix using pressure variable resistor ink in order to sense the static force. The developed tactile sensor is physically flexible and it can be deformed three-dimensionally to any shape so that it can be placed on anywhere on the curved surface. In addition, we developed a tactile sensing system by miniaturizing the charge amplifier, in order to amplify the small signal from the sensor, and the fast signal processing unit. The sensor system is evaluated experimentally and its effectiveness is validated.

• 한국지능시스템학회논문지
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• 제15권7호
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• pp.870-874
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• 2005

본 논문에서는 외부의 힘을 효율적으로 감지하기 위한 촉각센서의 설계 및 이론적인 해석해 관한 것이다. 일반적으로 촉각센서가 표면의 변화를 감지하기 위해서는 외부의 자극을 센서부에 효과적으로 전달할 수 있어야 하기 때문에 미세한 힘에도 변화를 감지할 수 있는 센서의 설계가 필요하다. 이에 본 논문에서는 양전극 사이에 유연성을 갖는 유전체를 사용하여 서 보다 효율적인 감지가 가능하도록 하였다. 즉, 상층부에 설치되어 있는 센서부가 하층부에 설치되어 있는 센서들과 형성하는 전계의 변화로 인하여 발생하는 전압의 차이를 감지하도록 하였으며, 상층부와 하층부의 사이에 일정의 유연성을 갖는 유전체를 삽입함으로써 효율적인 촉각 감지를 할 수 있도록 설계하였다.