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RISS 인기검색어
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- 저자 : 이상호(Lee Snag-Ho) (검색결과 4 건)
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곽의신(Kwak, Eui-Shin),기창군(Ki, Chang-Gun),이상호(Lee, Snag-Ho),손수덕(Shon, Su-Deok),이승재(Lee, Seung-Jae) 대한건축학회 2016 대한건축학회 학술발표대회 논문집 Vol.36 No.2
Occurrence and effect of horizontal load, such as the recent frequent earthquakes and seismic load and wind load due to the increase of demand for high-rise buildings are no longer able to not consider the possibility of damage and secondary damage of the exterior panel. Therefore, in this study, by the exterior panels that using moving clips to follow the displacement that occurs in the structure of the building, there is the object of the present invention is to prevent damage and falling off of the exterior panels. Perform the finite element analysis and the actual large shaking table test of the exterior panels, to verify the structural performance, satisfies the non-structural elements seismic design for Korean building code.
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Linear Stepping Motor의 동특성 해석에 관한 연구
李相鎬,吳鴻錫 三陟大學校 1999 論文集 Vol.32 No.1
A Linear Stepping Motor (LSM) can operate in an open loop control mode similarly to a rotary stepping motor. The linear motion without any mechanical linkage in the LSM results in several advantages for precise positioning actuators. However, to realize the more stable and higher speed control without hunting, it is necessary to derive an equivalent circuit to explain the steady-state and transient characteristics in order to find an adequate control rule for high performance control of the LSM. In this paper, magnetic equivalent circuit is obtained, based on the structure of the LSM, and then the electric equivalent circuit of the LSM is derived by solving equations for the magnetic equivalent circuit. Several dynamic characteristics of the LSM are analyzed by the ACSL with the voltage equations, the force equations and the kinetic equation.
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전기마취가 치아 및 치은조직의 동통억제에 미치는 영향에 관한 연구
이상호,한강석 大韓小兒齒科學會 1995 大韓小兒齒科學會誌 Vol.22 No.1
The purpose of this study was to evaluate the effect of electronic anethesia on the pain threshold teeth and gingiva. The subjects for this study were 30 adolescents. The subjects were devided into three groups;the control group described by no electronic anethesia and the GroupⅠdescrived by experimental group measured immediately after electronic anesthesia and Group Ⅱ that measured 20 minutes after electronic stimulation is started. Electronic anesthesia using the 3M Dental Electronic Anesthesia System 8670 was done with external electrode pads that adhere to the skin surface. The following results were obtained ; 1. Pain threshold of gingiva in maxilla were 97.1g in control group, 143.1g in groupⅠ, and 161.6g in group Ⅱ. Pain threshold of groupⅠ, group Ⅱ were increased up to 47.3%, 66.3% compared to the control group. Pain threshold of gingiva in mandible were 75.1g in control group, 107.9g in groupⅠ, and 118.5g in group Ⅱ. Pain threshold of groupⅠ, group Ⅱ were increased up to 38.5%, 52.6% compared to the control group(P<0.05). 2. Pain response of teeth in maxilla showed that 53.3% of subjects responded no cold pain in group Ⅰ, 60% in groupⅡ, and 36.7% of subjects responded mild cold pain in groupⅠ, 33% in group Ⅱ. Pain response of teeth in mandible showed that 40% of subjects responded no cold pain in groupⅠ, 50% in group Ⅱ, and 46.6% of subjects responded mild cold pain in groupⅠ, 43% in group Ⅱ(P<0.05). 3. Pain threshold of gingiva in maxilla were higher than that of gingiva in mandible. Differences of pain thresholds between maxilla and mandible were higher in experimental group than in that of control group. And inhibitory effect of pain of teeth in maxilla were higher than that of mandible(p<0.05).
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