• Journal of Christian Education in Korea
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• v.75
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• pp.153-170
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• 2023

Purpose of study: This study seeks practical ways to resolve conflicts between church and religious community members in modern society living in an age of division and conflict. Research content and method: First, the phenomenon and causes of a society of division and conflict were examined. Second shalom was studied to restore division and conflict. Third values were discovered along with the ABCD theory for the development of an asset-based community in order to solve a society of conflict with shalom. 4D cycle strategy of A.I. Fourth in order to restore the conflicts of the faith community to shalom, the ABCD theory and the 4D of A.I. were presented with ways to manage conflicts, minimize division, and restore shalom through dialogue and storytelling tools. Conclusions and Suggestions: The various conflicts in our society can be restored when all Christians discover their vocation and talent through the method of dialogue for shalom, solidarity as a community of faith, and achieve shalom. Therefore it is necessary to educate the Shalom faith community through dialogue for Shalom.

• Journal of Christian Education in Korea
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• v.76
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• pp.119-147
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• 2023

Purpose of study: The purpose of this study is to propose an education for biblical Shalom for the future of education in relation to UNESCO 2050. Research content and method: The education for Shalom is about experiencing Shalom in fellowship with God. Moreover, it expands that shalom into relationships with self, neighbors, the earth, and technology, and then helps achieving balance between Shalom and those mentioned above. In order to provide education for Shalom, this study presented five relational dimensions of experiencing Shalom. First, the joy of serving God and neighbors in a proper personal relationship with God is most important. Second, it is the joy of building a right community and living in it through harmonious relationships with neighbors. Third, it is the joy of living in a harmonious relationship with nature. Fourth, it is the joy of being respected for human rights that are dignified as the image of God and living while enjoying rights. Fifth, it is the joy of enjoying fair use and benefits from technological innovation without being alienated, excluded and treated unfairly, or receiving disadvantages. Based on that, a model of education for Shalom has been developed. Conclusions and Suggestions: The educational model for Shalom forms view of values, knowledge, and human nature through the Bible. It consists of learning strategies to maintain a balance between the form of knowledge and the five relational dimensions. This model has a structure that carries out education for Shalom while interacting with each other.

• Proceedings of the KIEE Conference
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• 2000.11b
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• pp.392-394
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• 2000

열차의 신호 시스템은 열차의 안전운행에 있어 매우 중요한 기술로, 고도의 기술적 능력과 경험이 요구되는 분야이다. 그 동안 당사에서 개발한 ATS(Automatic Train Stop)를 제외한 대부분의 철도 제어 신호 시스템은 국내에서는 개발이 잘 안되었고, 설사 개발되었다 해도 실제 운행 실적이 없다 하여, 철도나 지하철 및 경량 전철에 적용하는 데에 어려움이 많았다. 이에 본 논문에서는 당사의 기술과 외국의 협력업체의 기술을 결합하여 철도 신호 보안 시스템의 최적 구축 방안에 대해 연구하였다.

• Journal of Christian Education in Korea
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• v.72
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• pp.273-291
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• 2022

The Industrial Revolution brought great development to the whole human history by the improvement of productive capacity. However, high speed development absorbed just on growth gave rise to resource depletion attack and economical inequality. If it might be neglected human society will meet unsustainable development situation. So UN has made effort to make sustainable development(SD) through global band together. SD concept considers it important to promote current development not giving damage to next generation's development. Then economy, environment and social integration should be harmonized and it demands governance for its actualization. SD gets to be a matter of common interest in education. New Millenium development Goals make African poor countries that are in blind spots of development advance toward gradual sustainable development by supporting programmes to these countries. Thus sustainable development education(SDE) is for future. It has an aim to give suitable education for all people who are all over the world. SDE tries to make health society and successful economical life for all. The concept of SD is found in the essential aims of Christian school and Christian education seeking justice and shalom. Christians are called as transformers for servant mission giving recover in corrupt world. Firstly, Christian school practise this mission making students think on Christian perspectives. Then it makes students serve for environment, economical fairness, social integration with servant mission. Also Christian school has a mission to seek both justice and shalom as a praxis beyond the intellectual dimension of education until fulfilling justice and shalom for all who are all over the world. Thus it can be that Christian school is an important educational institution for realizing sustainable development in that it is always to seek justice and shalom through restoration on the Christian educational perspective.

• Journal of Christian Education in Korea
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• v.62
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• pp.257-283
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• 2020

Our current society is experiencing a mass upheaval through globalization: mobility, hybridity, and cultural diversity are part of this world phenomenon. We can say that these changes are a result of people crossing borders due to international travel, immigration, emigration, studying abroad, labor, international marriages, fast and comfortable transportation, and the Internet. According to 2018 UNPD(Untied Nations Population Division)'s data, the international migrants have exceeded 258 million as of 2017. The increased number of migrants signifies that people with various backgrounds move from their own culture to a drastically different one. Interacting with different cultures can give people the chance to experience abundant lifestyles and improve life qualities. During that process, however, the differences between cultures can cause not only misunderstandings, conflicts, and violent collisions, but also xenophobia or radical nationalism. The current society is confronted with a problem: the people cannot stubbornly cling to a homogenous ethnicity anymore, which makes the coexistence between the citizens and immigrants necessary. Through these circumstances, I aim to suggest an educational model and a practical curriculum from a Christian perspective as the aim of this study. It seeks to encourage Christians to flexibly respond to these conflicts and collisions, and to fulfill their social responsibilities faithfully. For this reason, I will explore and seek sharing practical values through both shalom's communality as a theological approach and postconventionality in mature adults as a social-scientific approach. Consequently, I have few requests for the readers. First, approach with openness, understanding, and respect for other culture. Second, see this study as one step of confronting the global problem for coexistence and coprosperity of all social agents in the earth, a limited space. Third, notice that this study uses the interdisciplinary approach (theological and social scientific view) for a shareable, practical value that consistently leads the curriculum of my thesis, and a scientific method to eliminate bias. Lastly, understand that this study will eventually be used in educational practice, and as a result it prioritizes giving thought to the Christian educational environment. This study begins by exploring the conflicts and collisions between diverse cultures of our current society in international and national cases. Afterwards, I will reflect on how we can manage these conflicts and collisions by exploring the social-scientific view, postconventionality in mature adults, the theological view, and shalom's communality as a complement for the postconventionality's personal dimension. In conclusion, I suggest a curriculum that achieves peace as a practical value based on postventionality and shalom's communality for this study's goal.

• 제어로봇시스템학회:학술대회논문집
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• 2004.08a
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• pp.2045-2050
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• 2004

An optimal combination of arbitrary number correlated estimates is derived. In particular, for two estimates this combination represents the well-known Millman and Bar-Shalom-Campo formulae for uncorrelated and correlated estimation errors, respectively. This new result is applied to the various estimation problems as least-squares estimation, Kalman filtering, and adaptive filtering. The new approximate adaptive filter with a parallel structure is proposed. It is shown that this filter is very effective for multisensor systems containing different types of sensors. Examples demonstrating the accuracy of the proposed filter are given.

• The Journal of the Korean dental association
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• v.39 no.5 s.384
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• pp.411-418
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• 2001

• Proceedings of the Korea Technology Innovation Society Conference
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• 1999.05a
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• pp.11-20
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• 1999

전동차 시뮬레이터는 제한된 공간상에서 영상 및 음향, 운동, 운전석에 있는 각종 계기와 모니터 시스템들을 이용해 운전자에게 실제 주행하고 있다는 현실감을 제공하는 일종의 가상현실 장비이다. 시뮬레이터의 유효성은 각종 차량 특성과 운전조건 변화에 대해 CAB 상의 승무원에게 실제에서 경험할 수 있는 각종 주행환경을 제공하는 데 있다. 주행 현실감을 확보하기 위해서는 CAB 승무원에게 소리, 영상, 운동, 촉각 신호 등과 같은 큐(Cue)를 현실적으로 제공해야 한다. 대부분의 큐는 운전자의 조작 명령에 반응하는 차량의 동특성 해석을 통해 결정되어 시각, 음향, 모니터 등에 제공된다. 그러므로, 시뮬레이터 운용에 있어서 핵심적인 위치를 차지하고 있는 실시간 전동차 시뮬레이션 시스템의 전동차 모델은 차량의 운동을 현실적으로 모사할 수 있어야 하며, 실시간으로 시뮬레이션 되어야 하는 서로 상충되는 조건을 만족시켜야 한다. 실시간 전동차 시뮬레이션을 수행하기 위해서 특히 공학적으로 검토되어야 할 요소는 전동차 모델의 적절성, 적분기법, 운용 소프트웨어 및 실시간 시뮬레이션용 컴퓨터 등에 관하여 연구하였다.

• Transactions on Control, Automation and Systems Engineering
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• v.2 no.4
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• pp.235-243
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• 2000

The probabilistic data association filter(PDAF) is known to provide better tracking performance than the standard Kalman filter(KF) in a cluttered environment. In this paper, the stability of the PDAF of Fortmann et al[7], in the presence of uncertainties with regard to the origin of measurement, is investigated. The modified Riccati equation derived by approximating two random terms with their expectations is used to prove the stability of the PDAF. A new Lyapunov function based approach, which is different from the quantitative evaluation of Li and Bar-Shalom[7], is pursued. With the assumption that the system and observation noises are bounded, specific tracking error bounds are established.

• Proceedings of the IEEK Conference
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• 2003.11c
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• pp.41-44
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• 2003

Generally, the frequency of set makes ICI and degrades OPDM system performance. Thus, we propose a pulse shaped OFDM to give robustness against the frequency offset. The proposed OFDM system uses pulse shaping with smooth shape, instead of rectangular pulse shape, to reduce the power of ICI. The proposed scheme always gives performance gain in comparing with the convention one, when the frequency offset exists. In addition, the smoother pulse shape is employed in the proposed system, the more performance gain is obtained.