• Proceedings of the KAIS Fall Conference
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• 2009.12a
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• pp.558-561
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• 2009

본 연구는 2008년 1월부터 2008년 12월까지 B. 뇌훈련 센타에 자기조절 능력 및 학업 성취도 향상을 위하여 방문한 내담자 52명(실험군 26명, 대조군 26명)의 뇌파를 검사하여 뉴로피드백 훈련 전과 훈련후의 뇌 기능과 자기 조절 능력 변화를 보고자 하였다. 자기조절 능력에 영향을 미치는 특정한 뇌 기능의 훈련 전과 후의 결과를 시계열 선형분석으로 비교하였으며, 자기조절 능력 반응 측정 변화를 보기 위하여 5점 척도 설문지를 이용하였다. 연구의 결과로는 자기조절지수, 훈련모드, 최대편차에서 집단 간에 유의미한 차이가 나타났다. 또한 자기조절 능력 반응 설문지에서도 두 집단이 유의미한 차이를 나타냈다. 이는 전전두엽 뉴로피드백의 기술을 적용한 뇌 훈련은 자기조절지수와 자기조절 능력에 긍정적인 영향을 미친다고 볼 수 있겠다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.11 no.11
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• pp.4161-4166
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• 2010

This study was to examine the effectiveness of neurofeedback training by observing the pre and post brainwave measurement results of about 52 (experimental group 26. comparative group 26) subjects who have shown self regulation ability. The study took place at neuro-training center B, in between the months of Jan. 2008 and Dec. 2008. As the brainwaves are adjusted by timeseries linear analysis, the tool used to measure the self regulation ability was 5 Likert Scale questionnaire. The result confirmed the differences of both self regulation quotient, training protocol, upper deviation and questionnaire. The result of the study suggest prefrontal lobe neurofeedback technique's possibility in positively affecting the subjects' self regulation ability. This result suggested that follow-up researches should be figuring out more detailed explanations for journal of adolescent welfare.

• Proceedings of the KAIS Fall Conference
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• 2010.11b
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• pp.846-849
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• 2010

본 연구는 2010년 2월부터 2010년 7월까지 B. 뇌 훈련 센터에 자기주도학습 능력 향상을 위하여 방문한 내담자 60명(실험군 30명, 대조군 30명)의 뇌파를 검사하여 뉴로피드백 훈련 전과 훈련 후의 뇌기능과 자기주도학습 능력 변화를 보고자 하였다. 자기주도학습 능력에 영향을 미치는 특정한 뇌 기능의 훈련 전과 후의 결과를 시계열 선형분석으로 비교하였다. 연구의 결과로는 자기조절지수, 훈련모드, 자기주도학습 능력에서 집단 간에 유의미한 차이가 나타났다. 이는 뉴로피드백의 기술을 적용한 뇌 훈련은 자기조절지수와 자기주도학습 능력에 긍정적인 영향을 미친다고 볼 수 있겠다.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.8
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• pp.3486-3491
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• 2011

This study aims to identify the effect of neurofeedback training by observing the pre and post brainwave measurement results of about 60(experimental group 30, control group 30) subjects who have shown self directed learning ability. The study took place at neuro-training center B, in between the months of Jan. 2010 and Jul. 2010. As the brainwaves are adjusted by timeseries linear analysis. The result confirmed the differences of both self regulation quotient, training protocol, and questionnaire. The result of the study suggest neurofeedback technique's possibility in positively affecting the subjects' self directed learning ability.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2011.10a
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• pp.590-591
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• 2011

• The Research Journal of the Costume Culture
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• v.22 no.1
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• pp.99-111
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• 2014

This study looked into the scarcity effect based on the consumers' self-regulatory modes and determined the effect that such a regulatory mode and that quantity-scarcity messages would have on evaluations of fashion products. To that end, the study used a 2 (regulatory mode: assessment mode/locomotion mode)${\times}2$ (message type: quantity-scarcity message/non-scarcity message) between-subjects factorial design in which buying impulsiveness was presented as a mediator variable that showed differences in product evaluations depending on the message type and on the presence of a self-regulatory mode. The results of this study showed that locomotion-oriented consumers evaluated products more positively compared to assessment-oriented consumers when the quantity-scarcity message was presented. When a non-scarcity message was presented, no significant difference was observed in product evaluations based on the consumers' self-regulatory modes. In addition, buying impulsiveness in consumers served a mediator role in the evaluations of fashion products. The results of this study imply that a clear understanding of consumers is a prerequisite for maximizing the scarcity effect and that companies need to differentiate in terms of the way they use scarcity messages based on consumers' self-regulatory modes.

• Korean Journal of Optics and Photonics
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• v.7 no.4
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• pp.414-418
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• 1996

An electro-optic polymer digital optical switch was fabricated by using a photobleached waveguide and a self-aligned electrode. It features wavelength insensitive operation, fabrication tolerance and flexible design. And its possible advantages include low coupling losses to the fibers and wide bandwidths. For improving its switching performance, the guided mode profiles of the photobleached waveguides were controlled by photobleaching times to achieve optimized coupling in the branch. And the self-aligned electrode was employed to achieve both efficient overlap of the optical and electric fields and easy introduction of the adiabatically tapered electrodes. The measured crosstalks were better than -21dB at 1.32 ${\mu}{\textrm}{m}$ and 1.55 ${\mu}{\textrm}{m}$, and the extinction ratios of each output port were also more than 20 dB.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2009.10a
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• pp.325-328
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• 2009

In this study, A Magnetic stimulation Pulse Train control technique is introduced and applied to Flyback converter operating in discontinuous conduction mode. In contrast to the conventional pulse width modulation control scheme, the principal idea of a Magnetic stimulation Pulse Train is to achieve output voltage regulation using high and low power pulses. The proposed technique is applicable to any converter operating in discontinuous conduction. However, this work mainly focuses on Flyback topology. In this paper, the main mathematical concept of the new control algorithm is introduced and simulations as well as experimental results are presented.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.23 no.3
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• pp.249-257
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• 2013

This study newly presents a synthetic phase tuning technique to suppress the unwanted torsional mode while enhancing the desired torsional mode in a pipe. Specifically, we aim at the enhancement of the first torsional mode and the suppression of the undesired, second torsional mode. Earlier efforts were to enhance the desired wave mode only in the hope that the enhancement results in the suppression of the unwanted wave mode. Unlike these efforts, the suggested technique makes the complete cancellation of the unwanted wave mode but it is shown to enhance the desired first mode for torsional wave problems. In the present study, the synthetic phase tuning is developed for the cancellation of the unwanted wave mode, meaning that the number of necessary experimental equipments is reduced. Simulation and experiment were carried out to check the effectiveness of the proposed method. As an application of the suggested technique, we investigated the reflection and mode conversion characteristics of the first torsional mode according to the step thickness variation in a stepped pipe.

• Human Ecology Research
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• v.53 no.5
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• pp.543-556
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• 2015

This study examined the influence of self-regulatory resource depletion and self-regulatory modes on fashion product purchase intention. Initial research design dealt with differences of the resource depletion effect according to self-regulatory modes. The study used a 2 (self-regulatory resource depletion: depletion/non-depletion) ${\times}$ 2 (regulatory mode: assessment mode/locomotion mode) between-subjects factorial design. Second, the research design empirically analyzed the influence of self-regulatory resource depletion and self-regulatory mode on the fashion product purchase intention by each product group divided by type and involvement of fashion product. The subjects for the initial research were 255 university students in Seoul, Gyeonggi, and Daejeon. The subjects for the second research were 873 university students in Seoul and Daejeon. Collected data were analyzed with SPSS statistical package with reliability analysis, t -test, analysis of variance (ANOVA), and analysis of covariance (ANCOVA). The results were as follows. First, assessment-oriented consumers showed low purchase intentions about fashion products when self-regulatory resources were exhausted than when self-regulatory resource were not exhausted. Locomotion-oriented consumers, indicated no differences in purchase intention about fashion products regardless of self-regulatory resource depletion. Second, influences on purchase intention by self-regulatory resource depletion and self-regulatory mode were different according to the fashion product group. The results of this study implied that strategies should be differentiated when establishing a fashion industry marketing strategy according to the self-regulatory resource depletion and self-regulatory mode of consumers.