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유한요소해석과 다구찌방법을 이용한 에너지 저장형 의족용골의 설계에 관한 연구
이동희,장태성,이정주,윤용산,Lee, Dong-Hui,Jang, Tae-Seong,Lee, Jeong-Ju,Yun, Yong-San 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.3
In this study, new design method of prosthetic foot was suggested which can evaluate the performance of prosthetic foot by implementing amputee's gait simulation using the finite element analysis. The basic shape of ESPF(Energy Storing Prosthetic Foot) was designed which is suitable for the below-knee amputee considering mechanical properties and kinematic properties. And, the performance evaluations were performed using the Taguchi method with orthogonal array L25. As a result, average main effect of factors for the ESPF's performance were calculated and then optimum condition of given shape was selected. Essential particulars for the performance evaluation from the simulation result were the quantity of external work needed in stance phase, the quantity of transferred energy from the ESPF through the knee, and the vertical displacement of knee at toe-off. Reasonable optimum condition was obtained from the using performance index. From this study, it was found that it is necessary for the design of ESPF to consider the geometrical data related to the magnitude of load on elastic material.
이온성 액체 기반의 고분자전해질을 이용한 차세대 전기화학소자
이동희 ( Dong Hui Lee ),양해민 ( Hae Min Yang ),이근형 ( Keun Hyung Lee ) 한국공업화학회 2016 공업화학전망 Vol.19 No.6
고분자전해질은 배터리, 수퍼커패시터, 액추에이터, 센서 등 다양한 전기화학 소자에 적용이 가능한 소재로, 최근 기존 고분자전해질의 한계점인 낮은 이온전도도를 극복하기 위하여 이온성 액체 기반의 고분자전해질에 대한 연구가 활발하게 진행되고 있다. 이온성 액체의 우수한 전기적 특성 및 열적, 전기화학적 안정성과 고분자의 우수한 기계적 강도를 보유한 젤 상태의 고분자전해질인 이온 젤은 차세대 플렉시블, 웨어러블 소자들에 적용되어 연구되고 있다. 본 글에서는 이온성 액체 기반의 고분자전해질 소재 및 이를 이용한 전기화학소자들의 최신 동향을 소개하고자 한다.
이동희(Lee Dong Hui) 한국현대소설학회 2003 현대소설연구 Vol.- No.18
If there exists a political power of literature and literary circles in a negative sense and if there is literature which sways the scepter, we cannot regard that kind of literature as literature. It is not literature nor real literary circles. It is a literary debauchery for extra-literary purpose disguised as literary behavior. It is a dissipation of writers` groups and literary contamination. If a writer does literature believing it as literature, it is a misunderstanding and he is now worshiping a god of literature reared by his illusion. So necessarily it will be the conclusion of this paper that we should put back literature into its own position deviating from politics and commerce though this seems to be too common and basic an argument. The political power of literature and literary circles is a pathological phenomenon. Our literary criticisms have got sick and groaned since. That can be a social phenomenon. All the consisting elements of a society should be sound, but if literature is taken ill, the society loses its mark. In that sense, the situation is more serious. Literature itself cannot be a power. The nature of literature is always against the power. If there are some writers and critics who have chimera of the power of literature and literary circles, they are Literature itself cannot be a power. The nature of literature is always against the power. If there are some writers and critics who now misunderstanding the nature of it. If literature kneels down before political power, we cannot find the real position of literature anywhere. How can it be literature and how can we call it literary spirit which should break through a new era continuously? The core of criticism is critique but there spread castrated criticisms without any spirit of critique. The criticisms without critique are not criticisms and they should not wield their power. But our reality is not so. Ironically, they form a main stream of our literary circles. It is true though we really don t want to recognize it. Writers are now excessively attached to making best sellers and many Korean novels are now being written for being best sellers. The publishing capital oppresses writers and literary circles cannot deviate from mammonism. Under this literary geo-politics, what kind of things are forced to be produced? They are popular and lowbrow literature. The writers who pursue belletrism are now being back-grounded and the popular literature is now foregrounding. which is devastating Korean literary circles. We are now living in an unhappy period if this is the present address of Korean literature. I would like to praise the courageous will of young critics who face facts as they are, put an edge to so called wedding speech style criticism , and fight against the thickened wall of the power of literary circles. But there can be an anxiety that the critique of the power of literary circles can be also a power. There are many good writers in Korea. We must excavate many new writers without too sticking to popular writers contaminated with commercialism. There are many good writers who have been writing belles-letters through their whole life. We should have more dialogues with the past and future writers than with the writers of the present.
항공사 객실 승무원의 정서적 조직몰입, 표면행동, 그리고 성취감의 관계
이동명 ( Dong Myong Lee ),이동희 ( Dong Hui Lee ) 한국항공운항학회 2007 한국항공운항학회지 Vol.15 No.4
This study testifies the proposition that in the case of high emotional organizational commitment, through employees perform surface acting, they feel high personal accomplishment. Data was collected from 158 flight attendants of two airlines in Korea. From the hierarchical regression analysis, we could conclude such as follows. First, emotional organizational commitment has a positive effect on surface acting. It means that because employees with high emotional organizational commitment accept organizational goals as theirs, they are willing to perform surface acting. Second, surface acting has a positive effect on personal accomplishment. It means that surface acting has a positive side as well as negative one. Third, according to above results, organizations should try to take measures to increase the emotional organizational commitment of flight attendants.