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Design and implementation of smart bartender system based on Arduino UNO
Wang Junkai,Zhang Jiaxuan,Zhou Xuyun,Cui Shuyu,Huang Junru,Qiu Ziehen,Feng Zunhao,In Soo Lee 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.11
본 발명품은 Arduino UNO를 사용하여 설계한 바텐딩 제어 시스템을 채용한 것으로서 주요 기능은 전자밸브와 펌프의 공동 작동을 통해 모든 음료의 토핑 재료를 정확하게 추출하여 혼합하여 생산하며, 수출 상단에는 LED와 음향을 장착하여 시각 및 청각 효과를 더욱 좋게 하였으며, 바텐더의 도움 없이도 가정에서 사용할 수 있다. With the development of intelligent electronic technology, newly smart machine technology comes true. This paper mainly use Arduino UNO to design a control system of the current blender, the main function of the system is to accurately control the ingredient of each drink through the peristaltic pump control circuit and relay circuit, the wine is modulated by the mixing mechanism, For better visual and acoustic effects, LED and sound are added above the reclaiming port. Through the order system to select drinks without the intervention of the staff, the equipment is in the state of no sales.
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Zhou Jian,Ding Feng,Yang Jiaxuan,Pei Zhengqiang,Wang Chenxu,Zhang Anmin 대한조선학회 2021 International Journal of Naval Architecture and Oc Vol.13 No.1
This paper proposes a decision support model for USVs to improve the accuracy of collision avoidance decision-making. It is formed by Navigation Safety Domain (NSD) and domain-based Collision Risk Index (CRI), capable of determining the collision stage and risk between multiple ships. The NSD is composed of a warning domain and a forbidden domain, which is constructed under the constraints of COLREGs (International Regulations for Preventing Collisions at Sea). The proposed domain based CRI takes the radius of NSD in various encounter situations as threshold parameters. It is found that the value of collision risk in any directions can be calculated, including actual value and risk threshold. A catamaran USV and 6 given vessels are taken as study objects to validate the proposed model. It is found that the judgment of collision stage is accurate and the azimuth range of risk exists can be detected, hence the ships can take direct and effective collision avoidance measures. According to the relation between the actual value of CRI and risk threshold, the decision support rules are summarized, and the specific terms of COLREGs to be followed in each encounter situation are given.
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질적 지표에 근거한 경계선 지적 기능 학생의 교육에 관한 국내 중재 연구 동향 분석
이예다나(Lee, Yedana),장량(Liang, Zhang),사가선(Jiaxuan, Shi) 단국대학교 특수교육연구소 2020 특수교육논총 Vol.36 No.3
연구목적: 본 연구의 목적은 경계선 지적 기능 학습자의 중재 연구에 대한 동향을 고찰하고 질적 지표에 근거하여 관련 연구를 분석하는 것이다. 연구방법: 이를 위하여 2000년부터 2020년 6월까지 경계선 지적 기능학습자를 대상으로 국내에서 출판된 총 24편의 논문을 기반으로 연구 동향을 파악하고 CEC의 질적 지표를 활용하여 분석논문의 질적 수준을 파악하였다. 연구결과: 연구결과, 경계선 지적 기능 학생들을 대상으로 한 중재 연구는 2000년 이후 지속적으로 특히 2017년 이후 꾸준히 발표되고 있었으며 연구 대상자는 대부분 초등학생을 대상으로 실시되었다. 연구 설계는 사전-사후 검사가 가장 많았으며 학업 기술과 사회성 기술 중재가 주로 다루어지고 그 결과는 대부분 긍정적이었다. 연구의 질적 수준 분석은 준거를 충족하는 연구가 37.5%인 것으로 나타났다. 결론: 이상의 결과를 토대로 경계선 지적장애 학습자의 교육과 관련된 중재연구에 대하여 논의와 후속 연구를 제안하였다. Purpose: This study systematically analyzed the in intervention research and itsqualitative indicators for learners with borderline intellectual functioningbased on the quality indicators of evidence-based practice. Method: Twenty-four studies published from 2000 to June 2020 in Korea were collected based on the selection criteria for literature and their quality was analyzed using the quality indicators of evidence-based practice developed by CEC (2014). Result: Research on educational interventions has been continuously published since 2000, specially from 2017 onwards, and most of the participants were elementary school students. In addition, pre-post design researches were common. Also, independence variables were educational skills and social skills and the interventions in all studies were effective in improving dependent variables. Conclusion: The results showed that most of the researches achieved sufficient quality scores, along with 37.5%. Educational implications and suggestions for future studies were discussed based on the result of the study.
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Qingxi Hu,Qi Wang,Suihong Liu,Ye Lu,Zhaoxiang Zeng,Jiaxuan Feng,Rui Feng,Haiguang Zhang 한국섬유공학회 2023 Fibers and polymers Vol.24 No.2
Nowadays, many studies focus on the preparation of small-diameter vascular scaffolds, but some issues still existed that needto be urgently solved, but there are still problems such as slow endothelialization and failure to keep the vessels open for a longtime that need to be solved. In this paper, a composite process of preparing triple-layer vascular scaffolds with microchannelstructure in the inner layer is proposed to guide cell growth and accelerate the endothelialization process. The PCL patternwas printed as the intermediate layer of the vascular scaffold by 3D printing method, and the width of the microchannel inthe inner layer of the scaffold was controlled by the printing spacing. The inner and outer layers were prepared by electrospinning. Heparin is often used as an anticoagulant in vascular tissue engineering to improve the problem of thrombosisand blockage of vascular scaffold after transplantation into the body. Here, the inner layer carries heparin immobilized withsilk fibroin by coaxial electrospinning, so that heparin can be released slowly. The addition of silk fibroin also improvedthe hydrophilicity of PCL electrospinning film by water contact angle test. The mechanical properties of vascular scaffoldswith double intermediate layers (DIL) are better than those with single intermediate layers (SIL) and also better than pureelectrospinning scaffolds. In vitro cell experiments showed that cells grow directionally on microchannel structures of innerlayer and randomly on electrospinning film without microchannel structure. The results showed that the microchannels weremore conducive to cell growth and proliferation at a diameter of 0.25 mm. The composite electrospinning films with silkfibroin and heparin facilitated cell adhesion and proliferation compared to the pure PCL films. All these results indicate thatthe vascular scaffolds have potential applications in clinic for vascular tissue regeneration.
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