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반 능동형 RFID 태그를 위한 전원 제어 회로 설계 및 구현
김영교(Yeongkyo Kim),이경일(Kyeongil Yi),조성규(Sungkyo Cho),남기훈(Kihun Nam),김시호(Shiho Kim) 대한전기학회 2010 전기학회논문지 Vol.59 No.10
A power management controller circuit with switched capacitor mode down regulator and battery charger block for semi-active RFID tags was proposed and fabricated. The main purposes of the proposed switched capacitor mode down regulator and battery charger block are to reduce standby current and to provide a self-controlled thin film battery charger by detecting the received RF power, respectively. Fabricated chip area is 360,000㎛² and measured standby current was about 1.3㎂. To further reduction of standby current, a wake-up circuit has to be included in the power management controller.
도시재생사업에서 주민참여도에 미치는 영향요인 연구: 장소애착심 매개효과를 중심으로
김영교(Kim, Yeongkyo),남궁미(Namgung, Mi) 한국지역개발학회 2019 韓國地域開發學會誌 Vol.31 No.3
This study aims to examine the factors influencing the residents’ participation in urban regeneration. We conducted the questionnaire survey on the residents in Gamcheon Village and Choryang Ibagu-gil in Busan. The survey includes questions regarding the respondent’s social environment, perceived physical environment, perceived economic environment, place attachment, and participation in the urban regeneration project. We employ place attachment as a mediating variable between environmental factors and the residents’ participation, and run a structural equation model. The empirical analysis shows that place attachment has a partial mediating effect, and there is a direct relationship between environmental factors and the residents’ participation in the urban regeneration and between the place attachment and the residents’ participation in the urban regeneration. The findings in this study suggest that both environmental factors and place attachment play a critical role in the success of the urban regeneration.