Diphenyliodonium염 존재하에서 비닐 에테르의 광양이온 리빙 중합(I)

권순홍,이연성,전현정,마석일,Kwon, Soonhong,Lee, Youngsung,Jeon, Hyunjeong,Mah, Soukil 한국섬유공학회 2002 한국섬유공학회지 Vol.39 No.4

Photo-induced living cationic polymerization of isobutyl vinyl ether (IBVE) has been newly developed in the presence of diphenyliodonium iodide (DPII). Zinc iodide was used as an activator in the polymerization reaction. A linear relationship between % monomer conversion and the number average molecular weight of the resulting polymer reveals the living nature. The increase in both the polymer yield and its molecular weight until the original monomer was exhausted reveals that the propagating cationic species have the long lifetime due to the absence of termination or chain transfer process. It became also evident that a PIBVE-based block copolymer can be obtained by the subsequent monomer addition technique from this photo-induced system. The effects of various factors such as concentrations of DPII and zinc iodide, temperature, and duration of photo-irradiation were also discussed.

Comparative Study on Efficiencies of Naturally-Ventilated Multi-Span Greenhouses in Korea

권순홍,정성원,권순구,박종민,최원식,김종순,Kwon, Soon-Hong,Jung, Sung-Won,Kwon, Soon-Gu,Park, Jong-Min,Choi, Won-Sik,Kim, Jong-Soon The Korean Society of Industry Convergence 2017 한국산업융합학회 논문집 Vol.20 No.1

This research analyzed the ventilation effect of the multi-span greenhouse based on the types of greenhouse structure, weather conditions, and locations inside the greenhouse. To compare and analyze the ventilation effects with different types of greenhouse, the uniform environmental conditions should be selected in advance. But these factors are not controlled and require tense many precision facilities and labor forces. Thus, the CFD simulation was used for the air stream to be analyzed qualitatively and quantitatively. In addition, for the ventilation effect analysis, the TGD (Tracer Gas Decay) was used to overcome the shortcomings of the current ventilation measurement method. The calculation error of ventilation rate using TGD was low (10.5%). Thus, the TGD is very effective in calculating the ventilation efficiency. The wind direction of 90 degrees showed the best ventilation effect. The ventilation rate also decreased along the air circulation path, and the rate was the lowest around the outlet. The computed fluid method (CFD) turned out to be a power tool for simulating flow behavior in greenhouse.

토출압력 (吐出壓力) 및 호오스길이가 도달성에 미치는 영향에 관한 연구

권순홍,최규홍 ( Soon Hong Kwon,Kyu Hong Choi ) 한국농업기계학회 1982 바이오시스템공학 Vol.7 No.2

민족주의 역사학의 표상, 신채호 다시 생각하기

권순홍(Kwon, Soon-Hong) 역사비평사 2016 역사비평 Vol.- No.117

The dichotomous question ‘Nationalistic history vs pseudo-history’ is the favorite rhetoric of the pseudo-historian. However, there are two fallacies in this statement. First, pseudo-historians did not establish the concept of nationalism. They pride themselves as successors of Shin-Chaeho. In fact, Shin-Chaeho regarded nation as a new main agent of history in a tragic situation where the state was stolen by imperialist powers. Furthermore, he recognized the limitation of nationalism which he had founded and accepted anarchism at the same time. Therefore, we should consider his opinion from different view points. The other fallacy is the misconception of colonial history. The main theory of colonial history is not the idea of “four commanderies of the Han Empire in the Korean peninsula”, but the theories of stagnation and heteronomy. Above all, the theory of stagnation is paramount. There are two ways to refute the stagnation theory. One is to prove that Korean history is not stagnated; the other is to criticize a telelogical perception of the idea. Shin-Chaeho was in the process of switching methodology from the former to the latter. If we have such understanding of nationalism and colonialism, we will detect the fallacies of the dichotomous question.

공압 실린더 액츄에이터 위치제어

권순홍(Soon-Hong Kwon),최원식(Won-Sik Choi),정성원(Sung-Won Chung),박종민(Jong-Min Park),권순구(Soon-Goo Kwon),서정덕(Jung-Duk So) 한국기계가공학회 2011 한국기계가공학회지 Vol.10 No.6

The fluid power products are widely used in current industrial area such as automation of products and equipment assembly, high-tech machine tool, aircraft, train, and etc. As the development of industry is in progress, the development of the fluid power products is demanding and it is required in every industrial area. This research proposed a pneumatic system to evaluate displacement accuracy of the pneumatic actuator without external load and to analyze capability of integration of the valve system. The pneumatic system consisted of a combination of pneumatic actuator, four two-port valves, two three-port valves, two pressure valve, a check valve, two proximity sensors, and a program logic controller (PLC). The position controller is based on the PLC connected with the proximity sensors. The maximum air pressure applied for tests was 49.05N/㎠ and the displacement accuracy of a stroke was measured using a dial gauge. The supply- and discharge-side of air pressure and the length of the stroke of the pneumatic cylinder were varied The test of the position control of the pneumatic cylinder was carried out 50 times at each supply- and discharge-side air pressure of 24.53/34.34, 29.43/39.24, 34.34/44.15, and 39.24/49.05N/㎠ and replicated three times. The accuracy of the displacement of the pneumatic cylinder stroke increased as the supply- and discharge-side of air pressure increased with the stroke length of 133mm. Also the displacement accuracy increased as the stroke length increased with the fixed supply- and discharge-side of air pressure of the pneumatic cylinder as 34.34 and 44.15N/㎠, respectively. The most accurate displacement of the pneumatic cylinder was obtained at the supplyand discharge-side of air pressure of 39.24 and 49.05N/㎠, respectively, and strokes of 170 and 190mm.

소비자의 개인적 특성이 스마트워치 사용의도에 미치는 영향

권순홍(Soon-Hong Kwon),임양환(Yang-Whan Lim) 한국컴퓨터정보학회 2016 한국컴퓨터정보학회 학술발표논문집 Vol.24 No.2

혁신 제품에 대한 거부와 수용에 관한 연구

권순홍(Soon-Hong Kwon),임양환(Yang-Whan Lim) 한국컴퓨터정보학회 2012 韓國컴퓨터情報學會論文誌 Vol.17 No.1

본 연구에서는 정보기술 혁신 제품이 출시되었을 때 소비자가 수용하는 과정에서 혁신 제품의 유용성 기대와 혁신제품에대한거부의요인에의해사용의도가형성된다는관점에서혁신제품의수용과정을연구하였다. 휴대전화사용자들 중 스마트폰을 사용하지 않는 소비자들을 대상으로 실증연구를 하였다. 연구결과, 첫째, 정보기술 혁신제품에 대한 소비자의 유용성 기대는 사용의도에 정적(+)으로 영향을 미치고, 혁신 제품에 대한 거부감은 부적(-)으로 영향을 미치며, 유용성 기대는 거부감에 부적(-)으로 영향을 미치는 것으로 나타났다. 둘째, 소비자의 혁신 제품에 대한 유용성 기대에 정적(+)으로 영향을 미치는 요인으로 사회적 요인이 있었고, 기존 제품에 대한 만족은 유용성 기대에 부적(-)으로 영향을 미쳤다. 셋째, 소비자의 혁신 제품 거부에 영향을 미치는 요인들로 소비자의 기존 제품에 대한 만족과 소요되는 노력 예상이 있었다. 이러한 연구결과들에 근거하여, 소비자가 정보기술혁신 제품에 대해 유용성을 기대하더라도 거부감을 가지고 있다면 해당 제품을 사용할 의도를 갖지 않기 때문에 이에 대한 전략이 필요하다. A study herein is carried out for acceptance procedure of innovative products in the aspect which usage intention is formed by usefulness expectation and rejection factors for innovative products during acceptance procedure of users when information technology innovative products are launched in the market. Empirical study was carried out for non-smart phone users within mobile phone users. As a result of study, firstly, usefulness expectation of users for information technology innovative products is positively (+) affecting to usage intention, while usefulness expectation was shown to be negatively (-) affecting to rejection. Secondly, social factors were found which positively (+) affect to usefulness expectation for innovative products, and satisfaction for conventional products negatively (-) affects to usefulness expectation. Thirdly, there were satisfaction and consuming effort for conventional products from consumers for the factors which affects to innovative products rejection of consumers. Based on the result of study herein, there is a specific strategy needed for information technology innovative products although consumers have expectation usefulness for the products as well as rejection which brings out to remove the intention to use the products.

현존재의 실존과 불안의 두 얼굴: 잠복한 불안

권순홍(Kwon, Soon-Hong) 새한철학회 2014 哲學論叢 Vol.76 No.2

불안은 현존재에게 본래성의 가능성과 비본래성의 가능성을 제시한다. 그렇다면 불안은 두 얼굴이어야 한다. 현존재에게 본래성의 가능성을 제공하는 불안이 비본래성의 가능성마저 제공할 수는 없기 때문이다. 물론 그 반대도 마찬가지이다. 현존재에게 본래성의 가능성을 제공하는 불안이 근원적 불안이라면, 그를 비본래성의 가능성으로 흐르도록 유인하는 불안은 잠복한 불안이다. 이 글에서는 우선 잠복한 불안의 실존론적 실상을 밝히는 한편 그 불안이 어떻게 현존재를 비본래성의 가능성으로 빠뜨리는가를 밝히고자 한다. 잠복한 불안은 부단성, 은밀성 및 일상적 동행성의 특징을 보인다. 이 세 가지 특징에서 볼 때, 잠복한 불안은 현존재를 그가 언제 어디에서 일상적으로 무엇을 하든지 간에 쉬지 않고 부단히 따라다니면서 본래성의 가능성으로 가도록 압박한다. 그것도 그의 귀에 대고 속삭이듯이 은밀히 압박한다. 그 불안의 끊임없는 은근한 압박에 지친 나머지 현존재는 만사형통에 대한 기대 속에서 세인에 대한 환상을 스스로 그리면서 세인의 품으로 퇴락하고 싶은 유혹을 스스로 느낀다. 그 불안의 끈질긴 위협에 시달린 끝에 결국 현존재는 그 환상과 유혹을 빌미로 해서 세인의 공공성으로 귀순한다. 세인은 귀순한 현존재를 존재면책의 선물을 안기면서까지 환대한다. 세인은 현존재를 공공성으로 끌어들이기 위해서 구태여 거친 남성적 권력을 행사하지 않는다. 세인은 부드러운 여성적 권력답게 공공적 세계의 문을 활짝 열어놓은 채 존재면책의 선물을 들고 제 발로 귀순하기를 기다릴 뿐이다. 현존재가 비본래성의 가능성으로 흘러가는 것은, 그가 잠복한 불안의 위협에 대한 실존적 반발로 세인에 대한 환상과 유혹을 그리면서 스스로 세인의 공공적 세계로 귀순하는 까닭이다. The anxiety has two faces in that it presents the two possibilities of authenticity and inauthenticity to There-being. The anxiety, which presents the possibility of inauthenticity to him, can be called the latent anxiety. But, insofar as the anxiety leads him to the possibility of authenticity, it can be called the original anxiety. This treatise aims at elucidating the reason why the latent anxiety must drive There-being to the possibility of inauthenticity through the existential analysis of its ontological structures and characteristics. The latent anxiety has three characteristics, namely, the constancy, the implicitness and the everyday concomitance. Taking these characteristics into account, it must threaten incessantly There-being into grasping the possibility of authenticity by whispering to him to approach it. But, on the contrary, he reacts against the constant, implicit threat of the latent anxiety. His existentiell reaction results in the illusion of the One and the temptation of the falling. At last, he defects to the public world of the One by not resolutely erasing the illusion and the temptation brought up in his existentiell reaction against the constant threat of the latent anxiety. The One warmly welcomes the defector to the public world, even giving the gift of the immunity from responsibility of being to him. The power of the One is not masculine but feminal. The One is softly waiting for There-being, who is constantly anxious about the groundless fact of existence, to defect to the open publicness of the One, instead of forcing him to defect. It is because There-being voluntarily defects to the public world of the One by reacting against the constant threat of the latent anxiety that he must be driven to the possibility of inauthenticity.

인공지능 스피커 사용의도에 관한 연구

권순홍(Soon-Hong Kwon),임양환(Yang-whan Lim),김현정(Hyun-Jeong Kim) 한국컴퓨터정보학회 2020 韓國컴퓨터情報學會論文誌 Vol.25 No.1

본 연구에서는 소비자가 인공지능 스피커를 사용하고자 하는 의도에 영향을 미치는 요인을 제품에 대한 가치 지각과 제품 필요성 지각을 중심으로 연구하였다. 소비자의 제품에 대한 가치 지각에 영향을 미치는 요인으로 편익과 비용을 구분하였고, 정보기술 제품이라는 특성을 반영하여 제품에 대한 유용성 지각을 포함시켰다. 실증 연구결과, 인공지능 스피커 제품에 대한 소비자의 편익 지각과 유용성 지각은 가치 지각과 필요성 지각에 각각 정적(+)으로 영향을 미쳤고, 필요성 지각은 가치 지각에 정적(+)으로 유의한 영향을 미쳤으며, 필요성 지각과 가치 지각은 각각 사용의도에 정적(+)으로 유의한 영향을 미쳤다. 그렇지만, 소비자가 지각하는 비용은 가치 지각에 유의한 영향을 미치지 않았다. In this study, the factors affecting consumers’ intention to use AI speakers were focused on the perceived value of the product and the perceived necessity of the product. Factors affectationist consumers’ perceived value of the product were divided into benefits and costs. Reflecting the characteristics of information technology products, I included perceptions of usefulness of products. Empirical results show that consumers’ perceptions of perceived benefits and usefulness of AI speaker products have a positive effect on perceived value and perceived necessity. Perception of necessity had a positive (+) significant effect on perception of value. Perception of necessity and perception of value had a positive(+) and positive effect on each intention of use. However, the cost perceived by consumers did not have a significant effect on perception of value.

소비자의 개인적 특성이 스마트워치 사용의도에 미치는 영향

권순홍(Soon-hong Kwon),임양환(Yang-whan Lim) 한국컴퓨터정보학회 2016 韓國컴퓨터情報學會論文誌 Vol.21 No.10

Although various wearable devices applying information technologies are launched, only some of them are forming their own markets, and product which general consumers started to use in their daily life is believed to be smart watch. This study is intended to find factors why such smart watches are selected in terms of individual consumer’s characteristics in smart watches whose market is under its early stage. Smart watches are not forming their markets yet and this product is rather closer to a device attached to smart phone. But they would form markets only if their value is approved by themselves. This study looked into a structure under which smart watch forms its preference in terms of individual consumer and consumers are willing to use it. This study has its meaning by looking into factors why smart watch is spreading in market in terms of individual consumer’s characteristics. Results from this study are believed to provide fruitful implication to establish market strategy for wearable devices including smart watch that is not much used yet by consumers.