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황승호(Sueng-Ho Hwang) 산업기술교육훈련학회 2010 산업기술연구논문지 (JITR) Vol.15 No.1
It has been known that variable structure control(VSC) has theoretically powerful control technique of providing fast response, no overshoot, and very robust control with respect to system parameter variations and disturbances. However, the technique has not become more widely extended in the industrial circles because chattering phenomenon which may excite high-frequency unmodelled plant dynamics and damage to system components exists. In this paper, a modified variable structure control(MVSC) is developed to alleviate these problems, full-order flux observer os to estimate rotor flux without influences for the parameter variations of the motor. and which are applied to the position control of induction motor. While the conventional VSC makes the structure of the system change with high-frequency switching on the center of the one switching surface, in the MVSC two switching surfaces are used to establish a sliding sector. The structure of the system with low-frequency swiching. Therefore, the proposed algorithm has the properties of reducing chattering, reducing the benefits achieved in the conventional VSC, and working even under the influences of parameter variations. Experimental results show the effectiveness of the control strategy proposed here for the position control of induction motor.
고해상도 위성영상을 활용한 산사태 지역 피해조사 우선순위 선정 프로세스 구축에 관한 연구
황승호(Seungho Hwang),김계현(Kyehyun Kim),이기훈(Gihun Lee),이미란(Miran Lee) 대한공간정보학회 2016 한국공간정보학회 학술대회 Vol.2016 No.10
최근 기후변화의 영향으로 우리나라에서는 자연재해의 발생빈도가 지속적으로 증가하고 있는 실정이다. 특히 우리나라는 전국토의 약 70%를 차지하는 산지를 여러 가지 형태의 개발로 인하여 산사태가 빈번하게 발생하고 있다. 산사태 피해 발생시 피해규모 파악을 위해 해당 지자체의 피해 발생지역에 지자체 인력을 파견하여 피해조사를 수행하고 있다. 그러나 지자체의 한정된 인력과 수작업에 의한 피해조사 방식으로 인하여 많은 시간과 비용이 소요되므로 광범위한 피해지역 정보의 수집 및 관리가 어렵다. 따라서 본 연구에서는 산사태로 인한 피해면적을 산출하고, 행정구역 단위 피해조사 우선순위를 선정할 수 있는 산사태 피해조사 우선순위 산정 프로세스를 구축하였다. 구축된 프로세스를 산사태 피해조사 우선순위 지역 선정과 인력 배분 결정 등에 활용할 경우 부족한 인력에 의존하는 기존 피해조사 업무의 효율성 제고에 기여가 클 것으로 기대된다.
Pop-up Store에 적용된 복합문화공간의 특성에 관한 연구
황승호(Hwang, Seung-Ho),한정원(Han, Jeong-Won) 한국실내디자인학회 2016 한국실내디자인학회 학술대회논문집 Vol.2016 No.05
In the industrialization era, technology and knowledge had gained the upper hand over others. As the globalization era has come in the 21st century, emotions have become more important than rationale, and brand image and value have influenced consumption behavior more than product function and efficiency. The newly emerging firms related to distribution and retail shops influence the changes in purchase circumstances, and introduce the new concept of consumption that requires complex added value as well as the services based on the function and quality of products. Accordingly, the purpose of this study is to establish the concept of the complex culture space of pop-up stores among recently increasing retail shops, and to investigate the complex culture space in the domestically leading brand strategy store to analyze its constructive characteristics. This researcher established theoretical analysis on pop up stores among retail shops and a complex culture space, and looked into relevant studies and literatures. In conclusion, Content of Retail shops are the main features of the complex cultural space. In the past, a cultural space that can be experienced partly lifestyle appears to form a complex cultural space form and Reflecting the trend of sales and culture, providing a variety of experiences to consumers. It is expected that the complex culture spaces in pop up stores will have more diverse and new designs.
지역 테마화가 소멸지역 활성화에 미치는 영향에 대한 기초연구 -양양 서핑해변가를 중심으로-
황승호(Hwang, Seung Ho),현태훈(Hyeon, Tae Hun),신승희(Shin, Seung Hee),오아름(Oh, Ah Reum),홍경구(Hong, Keong Gu) 한국지역개발학회 2024 한국지역개발학회 학술대회 Vol.2024 No.5
This study aims to analyze the impact of surfing-centered regional thematization on economic revitalization in Hajo Beach and Jukdo-Ingu Beach in Yangyang County, Gangwon Province. Through statistical data analysis, the current status and level of regional activation of the research area themed as a surfing beach are identified, and sustainable development directions for the region are proposed based on this. The geographical scope of the study includes Hajo Beach and Jukdo-Ingu Beach, the most active surfing beaches in Yangyang County. The research results show that the public land prices in the study area have significantly increased over the past ten years, particularly as commercial activities related to surfing have been activated and real estate values have increased. Visitor numbers have also steadily increased, confirming that the area has been successful in attracting domestic and international tourists even after the COVID-19 endemic. Additionally, events such as surfing festivals have contributed to the local economy, and the expansion of leisure and relaxation spaces preferred by the younger generation plays an important role in revitalizing the local economy. These analysis results provide important insights for the establishment of future tourism industry and regional development policies and are expected to contribute to the continuous revitalization of the local economy.