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자택양로를 위한 중국 예비 노인 스마트 기술에 대한 수용도 관한 연구
황품헌(Huang, Pin-Xuan),조지영(Cho, Ji Young) 한국주거학회 2021 한국주거학회 학술대회논문집 Vol.33 No.2
China’s elder population is rapidly growing. As the demand for elder care in the home and in facilities increases, research on methods and techniques to alleviate the caregiver’s burden and to provide help via smart technology is essential. The purpose of this study is to examine pre-elderly acceptance of smart technology in the home in China, which will ultimately make Aging-in-Place successful. For this purpose, an online survey comprising the Technology Acceptance Model questionnaire was conducted. A total of 303 responses from pre-elderly residents in Beijing, China, were collected from the survey. The results of the data analysis show that perceived usefulness and ease of smart technology are high, and both affect intent to use smart technology positively; the performance risk and financial risk of smart technology affect intent to use smart technology negatively. Results indicate that in order for the pre-elderly to better accept smart technology, perceived performance risk and financial risk must be reduced. Results from this study are expected to provide useful information for applying smart technology to Aging-in-Place in China.
Modeling and Analysis of an Avionic Battery Discharge Regulator
Chen, Qian,Yu, Haihong,Huang, Xiaoming,Lu, Yi,Qiu, Peng,Tong, Kai,Xuan, Jiazhuo,Xu, Feng,Xuan, Xiaohua,Huang, Weibo,Zhang, Yajing The Korean Institute of Power Electronics 2016 JOURNAL OF POWER ELECTRONICS Vol.16 No.3
The avionic battery discharge regulator (BDR) plays an important role in a power-conditioning unit. With its merits of high efficiency, stable transfer function, and continuous input and output currents, the non-isolated Weinberg converter (NIWC) is suitable for avionic BDR. An improved peak current control strategy is proposed to achieve high current-sharing accuracy. Current and voltage regulators are designed based on a small signal model of a three-module NIWC system. The system with the designed regulators operates stably under any condition and achieves excellent transient response and current-sharing accuracy.
Modeling and Analysis of an Avionic Battery Discharge Regulator
Qian Chen,Haihong Yu,Xiaoming Huang,Yi Lu,Peng Qiu,Kai Tong,Jiazhuo Xuan,Feng Xu,Xiaohua Xuan,Weibo Huang,Yajing Zhang 전력전자학회 2016 JOURNAL OF POWER ELECTRONICS Vol.16 No.3
The avionic battery discharge regulator (BDR) plays an important role in a power-conditioning unit. With its merits of high efficiency, stable transfer function, and continuous input and output currents, the non-isolated Weinberg converter (NIWC) is suitable for avionic BDR. An improved peak current control strategy is proposed to achieve high current-sharing accuracy. Current and voltage regulators are designed based on a small signal model of a three-module NIWC system. The system with the designed regulators operates stably under any condition and achieves excellent transient response and current-sharing accuracy.
Xuan Meng,Huan Huang,Huixin Weng,Li Shi 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.10
Reactive adsorption desulfurization (RADS) experiments were conducted over a series of commercial metal oxide supports (Al2O3-, SiO2-, TiO2- and ZrO2-) supported Ni/ZnO adsorbents. The adsorbents were characterized by X-ray diffraction (XRD), temperature programmed reduction (TPR), and Fourier transform infrared spectroscopy (FTIR) in order to find out the influence of specific types of surface chemistry and structural characteristics on the sulfur adsorptive capacity. The desulfurization performance of all the studied adsorbents decreased in the following order: Ni/ZnO-TiO2 > Ni/ZnO-ZrO2 > Ni/ZnO-SiO2 > Ni/ZnO-Al2O3. Ni/ZnO-TiO2 shows the best performance and the three hour sulfur capacity can achieve 12.34 mg S/g adsorbent with a WHSV of 4 h−1. Various characterization techniques suggest that weak interaction between active component and support component, high dispersion of NiO and ZnO, high reducibility and large total Lewis acidity of the adsorbents are important factors in achieving better RADS performance.