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이강이(Kang-Yi Lee),한상호(Sang-Ho Han),진영권(Young-Kwon Jin),이상준(Sang-Joon Lee),김귀순(Kui-Soon Kim) 한국항공우주학회 2005 韓國航空宇宙學會誌 Vol.33 No.1
항공기용 가스터빈엔진에 사용되고 있는 전자식 엔진제어장치는 연료 절약 및 성능 향상을 목적으로 개발되어, 최근에는 엔진의 신뢰성 향상을 위한 고장진단 기능을 갖춘 전자동디지털식 엔진제어장치로 발전하였다. 이와 같은 기술의 발전으로 과거와는 다른 새로운 개념의 엔진제어장치에 대한 인증기술 개발의 필요성이 증대되고 있다. 전자식 엔진제어장치에 대한 설계 및 인증에서 고려되어야 하는 사항으로 전원 공급, 입력 데이터, 고장 모드, 소프트웨어 확인 및 검증, 그리고 낙뢰의 영향 등을 들 수 있다. 본 연구에서는 전자식 엔진제어장치에 대한 설계 고려사항과 인증 기법을 분석하였고, 이를 바탕으로 국내 감항 기술기준의 관련 요구조건을 정립할 수 있도록 하였다. The aircraft gas turbine engines with the Electronic Engine Controls(EEC) had been developed to save fuel and enhance their performance in the early days, and had employed the health monitoring function in the Full Authority Digital Engine Controls(FADEC) to improve their reliability. This has led to an increasing demand for the certification technology of these controls. The design and certification issues of power supply, aircraft supplied data, failure modes, software verification/validation, and lightning requirements need to be addressed. This paper presents the design considerations and the certification techniques applied to the electronic engine controls. And it is believed that this paper will be basis to establish a requirement in Korean Airworthiness Standard.
발 반사마사지가 시설 노인의 자아존중감과 생기유발에 미치는 영향
이강이(Lee Kang-Yi) 기본간호학회 2009 기본간호학회지 Vol.16 No.1
Purpose: This study was done to verify the effects of foot reflexology on the self-esteem and vitality of elders. Method: A non- equivalent control group pre- and post-test design was used. Research instruments to measure self-esteem and vitality were used in this study. The participants were elderly women hospitalized in a hospital in Okcheon County, Chungbuk Province, Korea. The 18 patients in the experimental group performed 40 minutes of foot reflexology per time for a total of 12 times over two weeks, and the 18 patients in the control group received regular care only. Before and after the experiment, both groups were tested for self-esteem and vitality. Frequencies, percentages, χ²-test, t-test and Mann-Whitney U test with the SPSS/WIN 10.0 program were used to analyze the collected data. Results: Vitality of the elderly women patients improved significantly in the experimental group. However self-esteem did not increase significantly. Conclusion: Foot reflexology is effective as a nursing intervention in improving the health of elders.
이강이,박근영,정하걸,유창경,Lee, Kang-Yi,Park, Guen-Young,Chung, Ha-Girl,Ryoo, Chang-Kyung 항공우주시스템공학회 2015 항공우주시스템공학회지 Vol.9 No.1
The Technical Standard Order articles are the parts and appliances for which the civil aviation authority designates as it is necessary to standardize for the expedited certification process and aviation safety. TSO articles were used on the type certified aircraft as replacement parts in the early days of TSO authorization system, but those articles are widely used on the newly developed aircraft as well in these days. In this paper, we compared the differences of the TSO authorization systems between FAA and EASA, and proposed the rulemaking items to improve Korean TSO authorization system and to contribute to growth of aviation industry.
이강이,김기태,정하걸,노태성,Lee, Kang-Yi,Kim, Kitae,Chung, Ha-Girl,Roh, Tae Seong 항공우주시스템공학회 2015 항공우주시스템공학회지 Vol.9 No.2
An aircraft engine is considered as the most important element among aircraft systems. Thus type certificate is required for an aircraft engine to ensure its safety under appropriate airworthiness standard. U.S. FAR Part 33 or European CS-E is widely adopted as an airworthiness standard for aircraft engines, and other representative countries of the world established own airworthiness standards under their regulations. In this paper, we compared differences of the requirements between FAR Part 33 and CS-E, and proposed the rulemaking items to harmonize Korean Airworthiness Standard for Aircraft Engines with worldwide standards and to contribute to growth of aviation industry.
동작성 가족화 검사 (KFD)에 나타난 시설보호 아동의 가족 지각 특성
이강이(Kang Yi Lee),성미영(Mi Young Sung),이순형(Soon Hyung Yi) 한국아동복지학회 2002 한국아동복지학 Vol.- No.13
본 연구에서 만 5, 6, 7세의 시설보호 아동 42명을 대상으로 동작성 가족화 검사(KFD)를 실시하여 이들의 가족 지각 특성을 살펴본 결과, 이들이 해체된 가족에 대해 느끼는 고립감과 불안, 갈등 및 위기감을 반영하는 다수의 특징들이 인물상의 특징 및 활동내용에서 나타났다. 구체적으로, 부모와의 적절한 유대관계 또는 가족의 응집성과 관련된 변인으로 제시된 신체의 생략 및 인물상의 상대적 크기, 가족원의 생략 및 자기상과 가족간의 상호작용에서 부정적인 반응을 보인 시설보호 아동이 다수를 차지하는 것으로 나타났다. 이와 더불어 시설보호 아동의 KFD에서는 전반적으로 등장 인물의 운동성이 떨어지고 특히 가족원간의 상호작용 및 자신과 가족원간의 상호작용이 부족한 것으로 나타나, 가족과 관련된 활동력과 의욕의 상실을 보인다. 본 연구는 시설보호 아동을 이해하고 지도하기 위한 정보를 수집하는데 있어 KFD를 이용한 접근이 유용함을 제시한다. This study investigated the characteristics of institutionalized children`s perception of family through Kinetic Family Drawings. Subjects were 42 institutionalized children from 5- to 7 yearolds(24 boys and 18 girls) in 4 child-welfare facilities, Seoul, Korea. Data were analyzed with frequencies, and percentiles. The characteristics of institutionalized children`s perception of family were measured by Kinetic Family Drawings(Burns & Kaufman, 1970). As a results, more than half of the institutionalized children showed the responses in abbreviation of body parts, number of family members, and relative heights. Furthermore, institutionalized children showed low level of parents` activity, and low level of interaction of figures.
이강이(Kang Yi Lee),성미영(Mi Young Sung) 한국아동학회 2003 아동학회지 Vol.24 No.1
The subjects of this comparison of institutionalized and home-reared preschool children`s emotional knowledge and interpersonal problem solving strategies were 38 institutionalized (23 boys and 15 girls) and 39 home-reared (15 boys and 24 girls) preschool children. Assessment of emotional knowledge consisted of identification tasks and situation tasks. Interpersonal problem solving included forceful, prosocial, and manipulative strategies. Results showed that institutionalized children were lower than home-reared children in emotional knowledge; that is, they had lower scores than home-reared children in situation task. Institutionalized children used more forceful strategies than home-reared children, and home-reared children used more prosocial strategies than institutionalized children. Emotional knowledge was positively related to their prosocial strategies and negatively related to forceful strategies.