• Journal of Gifted/Talented Education
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• v.15 no.2
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• pp.127-151
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• 2005

The purpose of this study is to examine the relationships between process variables, personality traits, intrinsic/extrinsic motivation and their mathematical creativity and how much these factors affect this creativity. These results show the major factor in mathematical creativity as being the gender difference between the gifted male and female middle school students. This also suggests that the education and living guidance of both gifted male and female students should take a different direction in relation to their gender differences in middle schools. In conclusion, all of the normal intellective and non-intellective factors, as well as home process variables, are the basic major data concerned with the effects of mathematical creativity. So, it is with all of this research that the proof for researching synthetically via a new creative research model can be offered.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2005.06a
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• pp.743-748
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• 2005

In order to realize a three-dimensional shape on CAD, the machining process has been widely used because it offers practical advantages such as precision and versatility. However, the traditional machining process needs a large amount of time in cutting a product and the remained material causes trouble such as inconvenience for clarity. Therefore, a new rapid manufacturing process using the hot tool, Rapid Heat Ablation process (RHA), has been developed. In this paper, the hot tool for RHA process is devised to minimize radius of heat affected zone and also investigated for verification. TRIZ well-known as creative problem solving method is applied to overcome the contradictive requirements of the hot tool. For the detailed design of the hot tool, numerical model is established with several assumptions. Based on the numerical results, surface temperature is measured with K-type thermocouple at the predetermined location. Numerical and experimental results show that the devised hot tool fulfils its requirements. It verifies the practicality of hot tool that the hemisphere shape is ablated using the hot tool with stair structure.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• autumn
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• pp.78-84
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• 2002

In VE(Value Engineering) process, function analysis technique is utilized as a stepping stone to induce creative idea. However, function analysis is regarded as the most difficult job for VE team to undertake. For this reason, the function analysis is not properly applied or even omitted in construction VE studies. The current problems of function analysis in construction VE are following: 1) lack of basic understanding of the function analysis as problem solving technique, 2) the sequential step-by-step analysis process, 3) lack of interrelationship between function analysis and other phase in th VE process, 4) lack of time, experience, training, and quantitative data etc. The existing function analysis is faultiness theoretically. However, it is not enough for efficient use in practice, Thus The study aims to suggest an function analysis application method and to develop a computerized FAST(function Analysis System Technique) diagramming model, called Easy-FAST, for the efficient and effective function analysis on construction VE projects.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.4
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• pp.1009-1016
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• 2015

In this paper, we propose EPCM(Efficient Prediction-based Context-awareness Matrix) algorithm analyzing connectivity by predicting cluster's context data such as velocity and direction. In the existing DTN, unrestricted relay node selection causes an increase of delay and packet loss. The overhead is occurred by limited storage and capability. Therefore, we propose the EPCM algorithm analyzing predicted context data using context matrix and adaptive revision weight, and selecting relay node by considering connectivity between cluster and base station. The proposed algorithm saves context data to the context matrix and analyzes context according to variation and predicts context data after revision from adaptive revision weight. From the simulation results, the EPCM algorithm provides the high packet delivery ratio by selecting relay node according to predicted context data matrix.

• Korean Institute of Interior Design Journal
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• v.14 no.1
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• pp.134-141
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• 2005

Ludwig Mies van der Rohe, one of the influential modernist architects in early 20th century, had an great effort to found the modern architecture through various kinds of works. Conceptually he tried to develop the trans-temporal architecture language by involving a reintegration of countermanding principles in both ideas and practices for designing buildings. The model for his striving to find such a synthesis or a dynamic form was the neo-classicism of K. F Schinkel, inasmuch as Schinkel endeavored to combine the classical rationalistic order with the creative act of construction and to make these two melt into his age. In the same horizon with that Mies van der Rohe attempted to express the industrialized civilization of his time as a given fact, though this phenomenal substance was the only authentic form that has been conceivable to the people. For him the modern technology was regarded as the manifestation of rationalistic transcendency, which can be interpreted always consequentially. Here In this context this study is purposed to consider through the analysis of the ground ideas of architecture and the designed chairs, how commensurable the tectonic value (in the architecture) that is constantly evident in his works and the various autonomous drives toward deformalization (in the furniture design) that is concerned with his interest for cultural situation and materiality of form are with each other. And then it will be tried to prove, that on the ground of the trans-temporal achitecture language the furniture design of Mies van der Rohe, which emphasizes curves as individual forms, could correspond to his architecture that lays priority to space and construction

• International Journal of Automotive Technology
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• v.7 no.1
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• pp.83-90
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• 2006

The purpose of this paper is to describe the design and implementation of an unmanned ground vehicle, called the TailGator at CIMAR (Center for Intelligent Machines and Robotics) of the University of Florida. The TailGator is a gas powered, four-wheeled vehicle that was designed for the AUVSI Intelligent Ground Vehicle Competition and has been tested in the contest for 2 years. The vehicle control model and design of the sensory systems are described. The competition is comprised of two events called the Autonomous Challenge and the Navigation Challenge: For the autonomous challenge, line following, obstacle avoidance, and detection are required. Line following is accomplished with a camera system. Obstacle avoidance and detection are accomplished with a laser scanner. For the navigation challenge, waypoint following and obstacle detection are required. The waypoint navigation is implemented with a global positioning system. The TailGator has provided an educational test bed for not only the contest requirements but also other studies in developing artificial intelligence algorithms such as adaptive control, creative control, automatic calibration, and internet-base control. The significance of this effort is in helping engineering and technology students understand the transition from theory to practice.

• KIISE Transactions on Computing Practices
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• v.23 no.2
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• pp.85-96
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• 2017

IoT-Cloud service, integration of Internet of Things (IoT) and Cloud, is becoming a critical model for realizing creative and futuristic application services. Since IoT machines have little computing capacity, it is effective to attaching public Cloud resources for realizing IoT-Cloud service. Furthermore, utilizing containers and adopting a microservice architecture for developing IoT-Cloud service are useful for effective realization. The quality of microservice based IoT-Cloud service is affected by service function chaining which inter-connects each functions. For example, an issue with some of the functions or a bottleneck of inter-connection can degrade the service quality. To ensure functionality of the entire service, various test procedures considering various service environments are required to improve the service continuously. Hence in this paper, we introduce experimental realization of continuous integration based on DevOps and employ application performance monitoring for Node.js based IoT-Cloud service. Then we discuss its effectiveness.

• Women's Health Nursing
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• v.22 no.4
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• pp.221-232
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• 2016

Purpose: The purpose of this study was to examine the applicability of a flipped learning course in Women's Health Nursing for nursing students. Methods: A total of 200 senior nursing students participated in flipped learning class of pregnancy, delivery and postpartum area, which included team-based learning and self-reflection for 8 weeks. One group pre-post test design was adopted and the changes in learning motivation and satisfaction were examined. In addition, reflective journals of the students were analyzed by making a qualitative content analysis. Results: Students showed a significant increase in score of learning motivation in the posttest (t=-4.47, p<.001). They had a mean of 3.90 in learning satisfaction out of possible five points. As a result of content analysis, three themes were selected: 'Improved attitude toward active learning', 'Burden caused by excessive workload', and 'Valuing to the team-based activity' To be specific, six sub-themes were selected, with three positive and three negative categories: 'improved class attention and understanding', 'positive class participation by preparing lessons in advance', 'peer interactions through discussion', 'A lot of time and effort consuming', 'stress caused by the burden of preparing lessons', and 'difficulties in cooperative activities'. Conclusion: This study supports and confirms that the flipped learning can be a creative instructional model of positive teaching-learning strategy in clinical nursing courses to enhance students' learning motivation.

• The Korean Journal of Physiology and Pharmacology
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• v.15 no.6
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• pp.371-382
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• 2011

We performed experiments using Aplysia neurons to identify the mechanism underlying the changes in the firing patterns in response to temperature changes. When the temperature was gradually increased from $11^{\circ}C$ to $31^{\circ}C$ the firing patterns changed sequentially from the silent state to beating, doublets, beating-chaos, bursting-chaos, square-wave bursting, and bursting-oscillation patterns. When the temperature was decreased over the same temperature range, these sequential changes in the firing patterns reappeared in reverse order. To simulate this entire range of spiking patterns we modified nonlinear differential equations that Chay and Lee made using temperature-dependent scaling factors. To refine the equations, we also analyzed the spike pattern changes in the presence of potassium channel blockers. Based on the solutions of these equations and potassium channel blocker experiments, we found that, as temperature increases, the maximum value of the potassium channel relaxation time constant, ${\tau}_n(t)$ increases, but the maximum value of the probabilities of openings for activation of the potassium channels, n(t) decreases. Accordingly, the voltage-dependent potassium current is likely to play a leading role in the temperature-dependent changes in the firing patterns in Aplysia neurons.

• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.1070-1075
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• 2009

Design sector, one of the key factors defining national competitiveness and one of the creative industry, needs multi-functional and differentiated designers as its structure has changed to knowledge-intensive industry. Design sector is now following the trend of social change through frequent exchanges and joint researches with other sectors. However, education for human resource nurturing in the sector falls far short of social demand for change. As the industry still focuses on educating modeling issue handlers, the problems of excessive supply of human resources in particular sector and imbalance of supply and demand of human resources are adding extra difficulties to the already competitive designer employment market. Against this backdrop, this study recognized that design service sector, which began to be established as a new industry sector, has potential of becoming one of the new domains of movement for designers, explained the necessity of education in the field, and specified practical contents of design work. Also, It analyzed work contents of design service sector, classified them into each stage, and presented them to use in design professional nurturing education.