• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1990년도 한국자동제어학술회의논문집(국내학술편); KOEX, Seoul; 26-27 Oct. 1990
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• pp.275-280
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• 1990

A neural network method is applied for recognizing the orientation o f individual parts being fed from a bowl feeder. The system is designed in such a way that a part can be discriminated and sorting according to every possible stable orientation without implementing any a mechanical tooling. The operation of the bowl feeder is based on a 2D image obtained from an array of fiber optic sensor located on the feeder track. The acquired binary image of a moving and vibrating part is used as input to a neural network which, in turn, determines t he orientation of the part. The main task of the neural network, here is to synthesize the appropriate internal discriminant functions for the part orientation using the part features. A series of the experiments reveals several promising points on performance. Since the operation of the feeder is highly programmable, it is well suited for feeding and sorting small parts prior to small batch assembly work.

• 대한치료과학회지
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• 제10권2호
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• pp.59-71
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• 2018

Objective: The purpose of this study is to compare the effects of the CO-OP program using cognitive strategy on the satisfaction and high-level cognitive function of chronic stroke patients with cognitive impairment with the existing task-oriented approach training method. Method: The group randomly selects the experimental group and control group from 30 patients who suffer cognitive damage due to brain damage, and then randomly presents the Cognitive Orientation to daily Occupative Performance (CO-OP) Results: The results of the study showed a significant increase in patient performance and satisfaction, task performance, and high-level cognitive functions in comparison to those before training (p<).05) There was no significant difference in CNT testing in controls; Although there were no significant differences in overall CNT testing between the two groups, the COPM, AMPS tests showed a significant increase in the experimental group compared to the comparators (p <.05). Conclusion: The Cognitive Orientation to Daily Occupative Performance (CO-OP) Intervention Act, which uses meta-in strategies, was previously used. We were able to confirm that it could be a more effective intervention in task performance and high-level cognitive function than in the Meaningful Task-Specific Training Program (MTST).

• 한국엔터테인먼트산업학회논문지
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• 제13권7호
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• pp.295-306
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• 2019

이 연구는 '행복나눔검도교실'에 참여하는 청소년의 성취목표성향이 자아탄력성과 삶의 질에 미치는 영향을 규명하여 '행복나눔검도교실'을 통해 취약청소년의 올바른 성장을 위한 지도방안을 제공하고자 하며, 이를 통해 검도가 스포츠 지원프로그램으로서 활성화되는 데 그 목적이 있다. 이 연구의 목적을 달성하기 위해 서울, 경기와 인천지역에서 '행복나눔검도교실'에 참여하는 청소년 236명을 대상으로 선정하여 설문조사를 실시하였으며, 수집된 자료를 토대로 빈도분석, 탐색적 요인분석, 신뢰도 분석, 상관관계분석, 다중회귀분석을 실시하여 다음과 같은 결과를 도출하였다. 첫째, '행복나눔검도교실'에 참여하는 청소년의 성취목표성향이 자아탄력성에 미치는 영향을 검증한 결과 과제지향성은 다양성, 미래지향성, 감정조절에 모두 유의한 영향을 미치는 것으로 나타났으며, 자아지향성은 다양성과 감정조절에 유의한 영향을 미치는 것으로 나타났다. 둘째, '행복나눔검도교실'에 참여하는 청소년의 성취목표성향이 삶의 질에 미치는 영향을 검증한 결과 과제지향성은 신체적, 심리적, 사회적, 환경적, 교육적 삶의 질에 모두 유의한 영향을 미치는 것으로 나타났으며, 자아지향성은 신체적, 환경적 삶의 질에 유의한 영향을 미치는 것으로 나타났다. 셋째, '행복나눔검도교실'에 참여하는 청소년의 자아탄력성이 삶의 질에 미치는 영향을 검증한 결과 다양성은 삶의 질의 모든 요인에 유의한 영향을 미치지 않는 것으로 나타났지만 미래지향성은 심리적, 환경적 삶의 질에 유의한 영향을 미치는 것으로 나타났으며, 감정조절은 신체적, 심리적, 사회적, 교육적 삶의 질에 유의한 영향을 미치는 것으로 나타났다.

• 한국경영과학회지
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• 제29권4호
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• pp.159-173
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• 2004

Instant Messenger is a communication tool which allows instant real-time connection between parties through Internet Compared to the most popular Internet communication tool. email. the messenger allows people to check network presence of other parties and to connect in real time among multiple parties. Mostly due to the convenience it provides. use of instant messengers has increased tremendously not only for personal purpose but also for business purpose. However. firms are agonizing about the real impact of instant messenger usage among employees. whether the impact is positive or negative in terms of the productivity, Applying the theory of reasoned action (TRA) and technology acceptance model (TAM). this study sets UP perceived ease of use. perceived usefulness and cultural orientation of individuals as antecedents of adoption and use of the messenger application, Also. the impacts of messenger usage are measured as task productivity and intimacy among colleagues. This study presents several findings about the instant messenger, First. perceived ease of use. and usefulness play important roles in raising the adoption level of instant messenger. Also. culture propensity also maintains strong influence towards the actual usage of the messenger. Among cultural variables. innovativeness, supportiveness and outcome orientation reveal strong positive impacts on adoption and use of the messenger. On the dependent side. use of instant messenger seems to have a strong direct impact on task productivity as well as indirect impact through intimacy. Implications are discussed.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 1995년도 추계학술대회 논문집
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• pp.1114-1119
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• 1995

This paper presents the development of estimation model and control method based on the new computer vision. This proposed control method is accomplished using a sequential estimation scheme that permits placement of the rigid body in each of the two-dimensional image planes of monitoring cameras. Estimation model with six parameters is developed based on a model that generalizes known 4-axis scara robot kinematics to accommodate unknown relative camera position and orientation, etc. Based on the estimated parameters,depending on each camers the joint angle of robot is estimated by the iteration method. The method is tested experimentally in two ways, the estimation model test and a three-dimensional rigid body placement task. Three results show that control scheme used is precise and robust. This feature can open the door to a range of application of multi-axis robot such as assembly and welding.

• 아동학회지
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• 제24권2호
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• pp.79-92
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• 2003

Data were collected from teacher reports and from 529 1st to 6th grade students through questionnaires. Bullying was higher among boys than girls. Victimization was higher in 2nd, 3rd, 4th and 6th grade boys than girls. Acting out was highest in 2nd graders and lowest in 3rd graders. Shy-anxiousness was highest in 4th and 6th graders and lowest in 1st and 3rd graders. Learning problems were lowest among 3rd graders. Competencies were higher in 1st and 2nd grades. Boys had more problem behaviors; girls showed better competencies. Bullying was positively related to acting out, and negatively related to frustration tolerance and task orientation. Victimization was positively related to shy-anxiousness and learning problems, and negatively related to frustration tolerance, assertive social skills and task orientation.

• 대한인간공학회지
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• 제24권1호
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• pp.19-26
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• 2005

Mobile internet access using such devices as PDAs and cellular phones becomes popular as mobile technologies grow. However, the characteristics of small screen devices such as small screen size and pen-based input cause many usability problems. In this study, a human factors experiment was conducted to identify the factors affecting the usability of information search on a PDA. Factors manipulated in the experiment included use of wheel equipment, scroll dimension, and screen orientation. Task completion time, error frequency, and subjective satisfaction level were measured. In addition, various users' behavioral patterns such as scanning routes and mainly used scrolling methods were analyzed. Scroll dimension has a significant effect on task completion time. Scroll equipment and screen orientation affect subjective satisfaction level. The results could be applied to designing information structure of web sites for mobile use by providing vertical scroll and using external scroll equipments.

• 한국정밀공학회지
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• 제15권11호
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• pp.100-107
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• 1998

This paper presents the development of estimation model and control method based on the new robot vision. This proposed control method is accomplished using the sequential estimation scheme that permits placement of the rigid body in each of the two-dimensional image planes of monitoring cameras. Estimation model with six parameters is developed based on the model that generalizes known 4-axis scara robot kinematics to accommodate unknown relative camera position and orientation, etc. Based on the estimated parameters, depending on each camera the joint angle of robot is estimated by the iteration method. The method is experimentally tested in two ways, the estimation model test and a three-dimensional rigid body placement task. Three results show that control scheme used is precise and robust. This feature can open the door to a range of application of multi-axis robot such as assembly and welding.

• 한국정밀공학회지
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• 제13권8호
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• pp.175-183
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• 1996

This paper presents three-dimensional robot task using the vision control method. A minimum of two cameras is required to place points on end dffectors of n degree-of-freedom manipulators relative to other bodies. This is accomplished using a sequential estimation scheme that permits placement of these points in each of the two-dimensional image planes of monitoring cameras. Estimation model is developed based on a model that generalizes known three-axis manipulator kinematics to accommodate unknown relative camera position and orientation, etc. This model uses six uncertainty-of-view parameters estimated by the iteration method.

• 한국산학기술학회논문지
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• 제12권5호
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• pp.2214-2221
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• 2011

본 연구는 수상인명구조원 교육 참여 대학생들의 목표지향, 몰입경험 및 자아성취감에 관계된 요인을 파악하기 위해 시도하였다. 첫째, 수상인명구조원 교육 참여 대학생들의 목표지향 중 과제관여는 인지몰입과 행동몰입에 자아관여는 인지몰입에 영향을 미쳤다. 둘째, 수상인명구조원 교육 참여 대학생들의 목표지향의 하위변인인 과제관여는 자아성취감의 자아실현, 능력발휘, 능력개발에 영향을 미쳤다. 또한 자아관여는 자아실현에 영향을 미친다. 셋째, 수상인명구조원 교육 참여 대학생들의 몰입경험의 하위변인인 인지몰입과 행위몰입은 자아성취감의 자아실현, 능력발휘, 능력개발에 영향을 미쳤다. 넷째, 수상인명구조원 교육 참여 대학생들의 목표지향은 몰입경험과 자아성취감에는 직접적인 관계, 몰입경험을 매개로 자아성취감에 간접적인 인과적 관계가 있다. 이러한 결과들로 보아 수상인명구조원 교육을 주관하는 단체에서는 프로그램 개발을 통하여 자발적으로 교육에 참여하는 교육생들에게 양질의 체계적인 실무 훈련 교육을 통해 인명구조에 대한 자신감 및 교육의 효과를 얻을 것으로 사료된다.