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실차 실험을 통한 승용 디젤엔진의 Urea-SCR을 위한 암모니아 흡장률 피드백 제어 분사전략 검증
신병욱(Byeonguk Shin),박주영(Jooyoung Park),이성욱(Seang Wock Lee),강연식(Yeonsik Kang) 대한기계학회 2017 大韓機械學會論文集B Vol.41 No.6
본 논문에서는 연비손실 없이 높은 NOX 저감성능을 보이는 승용 디젤 엔진의 SCR 시스템을 위한 요소수의 분사전략을 제시하였다. 배출되는 NOX량 대비 요소수가 화학량론적 1:1인 피드포워드 분사전략과 함께 모델기반의 촉매 내 NH3 흡장률 추정 기법을 통하여 피드백 분사 제어전략을 함께 사용함으로써 과도상태에서 NOX 저감성능과 NH3 슬립 성능을 모두 만족시키고자 하였다. 제안된 분사전략을 적용하여 디젤산화촉매기와, 미립자필터가 장착된 2.2L 디젤 엔진을 갖춘 실제 차량에서의 실험을 통하여 제어기의 높은 NOX 저감률과 낮은 NH3 슬립 성능을 검증하였다. In this study, a SCR system is employed to selectively reduce NOX, which is a major cause of environmental pollution and issues in diesel engines. In particular, this paper focuses on the combination of feedforward injection strategies, depending on the NO/NOX ratio, and feedback injection control, using NH3 coverage ratio, based on a SCR model. A 2.2 L passenger diesel engine, which is equipped with a diesel oxidation catalyst (DOC) and a diesel particle filter (DPF), was used in the experiments. The developed control algorithm is implemented on a real-time computer with injection control algorithm. By analyzing the NOX emission measurement, the performance of the proposed injection control algorithm is verified.
지방도시 도시재생 사례를 통해 본 경관계획 요소의 적용에 관한 연구
김성호,신병욱,이웅구,Kim, Seongho,Shin, Byeonguk,Lee, Woonggu 한국농촌건축학회 2020 농촌건축 : 한국농촌건축학회논문집 Vol.22 No.4
Article 6 of the Landscape Act stipulates that "the Minister of Land, Infrastructure and Transport establishes a basic landscape policy plan every five years in order to create a beautiful and pleasant landscape, discover and support excellent landscapes." This is a comprehensive plan for landscape policy, a national plan that presents basic directions and strategies for the formation and continuous management of excellent national landscape. The basic landscape policy plan is a plan established every five years. It is an action plan that establishes a medium-term strategy for landscape policy and proposes specific implementation plans. Landscape-related policies are established in various fields, such as the central and local governments, and the private sector, and are based on mutual cooperation. Local cities voluntarily establish basic landscape plans, but in terms of integration, there are few cases in connection with urban regeneration. However, when the existing city establishes the basic landscape plan, the effect will be doubled if a new city is comprehensively constructed in relation to urban regeneration from the overall aspect of the city. Therefore, this study aims to provide data so that a master landscape plan can be established by analyzing and synthesizing the problems of the existing city centering on Jeonju, a representative local city.
우리나라 건축문화재의 Universal Design 현황과 개선방안에 관한 연구
김종혁,신병욱,이웅구,Kim, Jonghyuk,Shin, Byeonguk,Lee, Woonggu 한국농촌건축학회 2020 농촌건축 : 한국농촌건축학회논문집 Vol.22 No.4
In Korea, the Basic Act is guaranteed through the "Act on the Guarantee of Convenience Promotion for Disabled Persons, the Elderly, Pregnant Women, etc." and various ordinances. In order to improve this situation, it is necessary to introduce Universal Design (UD). By applying this where it is most needed, access to cultural properties is enhanced to promote multiple rights. Currently, the region with the largest population of the elderly in Korea is Gyeonggi-do, but the region with the highest proportion of the elderly is Jeolla-do. However, the Jeolla-do area is lagging behind in the revision of UD regulations or guidelines. Taking this into consideration and introducing it to each facility will also help to achieve balanced national development. In order to establish and apply effective universal design-related policies, it is necessary to diagnose the aspects of social change that affect our lives. In this study, the need for UD should be expanded as a basis for expanding social activities of socially disadvantaged people in Jeollabuk-do. Its goal is to diagnose the current status of UD and to suggest directions for application of improvements.
한국·중국·일본의 장애인복지법 비교를 통한 중국의 장애인 복지법 개선방안에 관한 연구
왕비비,신병욱,이웅구,Wang, Feifei,Shin, Byeonguk,Lee, Woonggu 한국농촌건축학회 2020 농촌건축 : 한국농촌건축학회논문집 Vol.22 No.4
People with disabilities are an important part of society. The world has a huge population of disabled people. Therefore, it is important to study the establishment and improvement of the disability welfare law. To carry forward the humanitarian spirit and develop the cause of the disabled is a signㄴ of social civilization. Improving the welfare system for the disabled is conducive to social progress. Disabled people have the same right to pursue a happy life as non-disabled people. Now, South Korea, China and Japan all have disability welfare laws. But the content of welfare law is not the same. China's welfare law for the disabled is also very detailed, but there are many problems. Such as education, medical care and so on. Therefore, through this study, to understand the perfect disabled persons' system in other countries, will play a positive role in the development of China's disabled persons' welfare law in the future. By comparing the welfare laws of the three countries, we can learn from each other and make progress. To contribute to the development of the cause of the disabled.