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정우석(Jeong Woo-Suk) 한국미술교육학회 2004 美術敎育論叢 Vol.18 No.1
본 연구의 목적은, 국내 아동의 도식에 관한 출현 및 소멸시기를 명확하게 밝히는 데에 있다. 조사방법은, 전주시소재의 유치원, 초등학교, 중학교 1학년에서 실시되었으며, 남550명, 여511명, 합계1,061명의 어린이들이 참가하였다. 진행교사에게는『그리고 싶은 것을 마음대로 그려라』라는 발언을 하도록 지시하였다. 연구결과, 도식화의 경우는 5세 이후의 유아부터 초등학교 전 학년에 이르기까지 폭넓게 분포하였음이 밝혀졌다. 그리고 도식화의 출현빈도의 최대치를 살펴보면, 남아의 경우는 초등학교 3학년에서, 여아는 초등학교 2학년에서 각각 나타났다. 이와 같은 연구결과는, 도식이 초등학교 저학년을 중심으로 출현한다고 하는 기존의 일반적인 인식과는 다소 차이가 있었으며, 국내아동의 도식의 출현과 소멸시기에 대해서 보다 유연성 있게 대응해 나가야 한다고 사료된다. The purpose of this study is to find the exact times of the appearance and disappearance of schema in Korean children. As for the research method, Classification A was used in this study as criteria for judgment, when drawn by a drawing technique showing the development of drawing pattern. Classification B was used, when drawn by a drawing technique not directly connected to the development of drawing pattern. Criteria used in this study, Classification A and Classification B, was developed by Shuichro Arai and Kingo Masuda. This study conducted a survey of kindergarteners, elementary school children and 1st-grade middle school students in Jeonju. A total of 1,061 children (550 male and 511 female ones) participated in the survey. The children were given a piece of drawing paper, and asked by the directing teachers ‘to draw whatever they want’ using only ‘a pencil.’ The result of analysis at ‘Classification A’ suggests that schema is widely distributed from 5-year old infants to elementary school children of all grades. When the result is compared with that of research by Shuichro Arai and Kingo Masuda, the trend is similar between Korea and Japan, but the time when the frequency of appearances of schema is sharply reduced was 5th~6th grade at elementary school in Japanese children while 6th grade at elementary school~1st grade at middle school in Korean children. Although simple comparison may be unreasonable because there are differences in survey time and sample size, it suggests that schema appear to be generally longer in Korean children than in Japanese ones. In addition, the frequency of appearances of schema was highest in 3rd grade at elementary school for boys and in 2st grade at elementary school for girls in Korea. The result of this study is somewhat inconsistent with general understanding that schema appears during the lower grades of elementary school. Thus this study is meaningful in that it reconsidered the time of appearance of schema in Korean children.
고령화 사회에 대응한 도시형 노인용 코하우징의 단위평면 계획에 관한 연구
정우석(Jeong Woo-Suk),조한(Joh Hahn) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
The welfare of the aged is becoming one of the critical issues of our society. However, building industry has not catched up to the need of the aged in housing market yet. The goal of this study is to find the needs of aged people and propose alternative housing types which corresponds to aged people's changes in physical and psychological features. The physical and the psychological need of the aged people are analyzed and categorized according to the components of the barrier free design. The different senior housing plan types are compared to find the pros/cons of each housing types. With these comparison, the concept and the special quality of co-housing plan types are presented and each co-housing plan components are matched with the need of aged people according to the barrier free design to propose alternative senior co-housing unit plan.
김정도,정우석,함유경,김동진,홍철호,Kim, Jeong-Do,Jung, Woo-Suk,Ham, Yu-Kyung,Kim, Dong-Jin,Hong, Chul-Ho 한국조명전기설비학회 2005 조명·전기설비학회논문지 Vol.19 No.8
롤-스크린의 조용한 동작을 위해 압전 초음파 모터를 사용하여 롤-스크린이 설계되었다. 롤-스크린에 사용된 초음파 모터를 구동하기 위하여, 디지털로 제어되는 구동회로가 PLD를 사용하여 설계되었다. 또한 롤-스크린의 위치와 속도를 측정하기 위하여 1회전 당 36펄스의 엔코더가 사용되었다. 이러한 저급 엔코더를 사용함에도 불구하고, 초음파 모터의 정밀한 속도제어를 위하여 새로운 제어 방법이 제안되었다. 제안된 방법은 가변 샘플링시간을 사용하고 있으며, 초음파모터가 가지는 초기 비선형 특성 문제를 보상하도록 하였다. For silent operation, Roll-Screen has been designed by using piezolelectric ultrasonic motor. To drive the ultrasonic motor, a digitally controlled drive system has been designed by using PLD. And to measure the position and velocity of Roll-Screen, encoder with 36 pulse/revolution is used. This paper proposed a new method for a precise velocity control of ultrasonic motor, in spite of using low-level encoder. The proposed method use a non-fixed sampling time and compensate the initial nonlinear characteristics of ultrasonic motors.
압전 엑추에이터를 위한 IEEE 1451.4 TEDS 제안
김정도(Jeong-Do kim),김동진(Dong-Jin Kim),정우석(Woo-Suk Jung),추대원(Dae-Won Choo),홍철호(Chul-Ho Hong) 대한전자공학회 2006 대한전자공학회 학술대회 Vol.2006 No.11
It is important to define a standard method to store basic sensor information, such as the type and the structure for an piezoelectric actuator and there is no such method defined in the IEEE 1451.4 transducer electronic data sheet (TEDS) so far. The major challenge is to choose a suitable standard template that can be used with actuators for piezoelectric devices. In this paper, we propose a new template TEDS and the structure of interface for IEEE 1451.4 for piezoelectric actuators.