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이형민(Hyoung min Lee),백주훈(Juhoon Back),진용기(Yong Ki Jin),권준호(Joon Ho Kwon),김성현(Sunghyun Kim) 대한전기학회 2010 정보 및 제어 심포지엄 논문집 Vol.2010 No.10
본 논문에서는 외바퀴로 사용자의 기울임에 따라 균형을 잡으며 속도를 조절할 수 있는 자동 외바퀴 스케이트보드를 구현하였다. 탑승자의 질량과 최대 기울어짐 각도를 고려하여 필요한 모터의 최대 토크를 선정하였고 보드의 최대 이동 속도를 고려하여 감속비 및 모터 용량을 선정하였다. 자이로와 가속도계의 출력을 이용하여 보드의 기울기를 얻었으며 보상필터를 적용하여 신뢰도를 높였다. 얻어진 기울기 정보를 사용하는 PID제어기를 구성하여 자세를 보정하였다.
權俊浩,池東夏,曺恩卿,曺台煥,성창섭 慶北大學校 醫科大學 1985 慶北醫大誌 Vol.26 No.1
1983年 7月부터 1984年 6月까지 慶北大學校 醫科大學 附屬病院 耳鼻咽喉科에서 手術을 받은 鼻茸患者 60例 및 慢性副鼻洞炎患者 30例에서 알레르기 檢査, 血淸 IgE値, 鼻茸液 IgE値, 末梢血液好酸球値를 檢査하여 이들의 相互關係를 比較 檢討한 結果 다음과 같은 結果를 얻었다. 鼻茸液 IgE値는 상당히 增加되어 있었으며 특히 알레르기 집단에서 더욱 높았다. 血淸 IgE値는 鼻茸患者群이 대조군인 副鼻洞炎患群보다 약간 높았으며 알레르기 집단과 非알레르기 집단간에도 약간의 차이가 있었다. 鼻茸患者群중에서 병해 病歷 및 알레르기 皮膚反應檢査陽性인 患者는 10名(16.7%)이었다. 末梢血液好酸球增多는 鼻茸患者群에서 조금 높았다. 이상의 結果를 종합하여 볼 때 鼻茸의 발생기전에 알레르기가 여러 요인중 일부를 담당한다고 사료된다. From the survey of relationship between nasal polyposis and nasal allergy the IgE content was measured in serum and nasal polyp fluid of 60 patients with nasal polyp who had admitted to Kyungpook medical hospital during last one year. The IgE content in serum was also measured in patients with chronic paranasal sinusitis who had chosen as control group. In addition, all patients were studied for peripheral blood eosinophil counts. The results were as follows: The level of IgE in polyp fluid was higher than serum level. The IgE content of serum was somewhat higher in nasal polyp patient especially in allergic group than paranasal sinusitis group. Nasal polup patients with allergic history and positive skin test were obtained in 10 cases(16.7%) which was higher than the levels of chronic paranasal sinusitis. Peripheral blood eosinophil was higher in patient with nasal polyp than patient without nasal polyp. As above results it seems that allergy is one of factors which contribute to the development of nasal polyp.
하악골 부분절제술후 이물성형재료에 의한 즉시재건술이 실패된 예에서 양측 장골뼈와 Miniplate Osteosynthesis 를 이용하여 재건시킨 법랑아세포종 치험 1 예
박형식,권준호,김선용,이상휘 大韓顎顔面成形再建外科學會 1990 Maxillofacial Plastic Reconstructive Surgery Vol.12 No.1
This is a report on a case of delayed reconstruction after partial mandibularectomy for Ameloblastoma involving symphysis and bodies of the mandible by using of two large pieces of corticocancellous bone blocks obtained from both iliac crests. The authors failed immediate reconstruction with two kinds of Alloplasts(metal, methylmethacrylate) at two times of trial due to known infection and suggestive poor histocompatibility of materials aginst the host who has been suffered from long-term and active pulmonary tuberculosis. However we could get success late reconstruction of this problem-occured and curved area with two pieces of large corticocancellous blocks by using of miniplate osteosynthesis and biphasic external pin fixation. From our experience we are obtained some results as follows : 1. Alloplastic graft materials seemed to be dangerous to maintain successfuly in patient who has a long-term debilitating disease as a active pulmonary tuberculosis. 2. Biphasic external skeletal pin fixation appliance gave many advantages such as maintain functional position of the remained bodies and condyles of the mandible after removal of failed alloplasts and during control of inflammation of this area, assist supportive roles to fix and maintain bone grafts during healing, allow mandibular movement during healing and so offer to conduct normal functional stimuli to bone grafts during osteogenesis etc. 3. Bony union was successful between not only normal bones and grafted bones but also grafted bone pieces even though we used two pieces of large blocks of corticocancellous bone for graft. 4. Miniplate osteosynthesis was not affect any adverse effects to bone grafts but offered good role of fixation and maintenance for bone grafts.