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낮은 감지 압력신호 값을 가지는 실리콘 족적 센서에 대한 3차원 유한요소 해석 모델 선정 및 검증
성벽경(Seong Byuck Kyung),서형규(Seo Hyung Kyu),김동환(Kim Dong Hwan) 대한기계학회 2014 大韓機械學會論文集A Vol.38 No.11
본 논문은 감도가 낮고 정밀한 족적센서의 특성에 대하여 연구한 논문이다. 이를 위하여 센서의 형상 변수 조절 범위를 낮게 선정하였다. 센서의 감도 해석으로 2차원 해석 모델을 사용할 경우 실험값과 비교한 결과 오차가 많이 나는 것을 확인하였다. 따라서 이 오차를 개선하기 위하여 3D 기반의 새로운 해석 모델을 적용시켜 재해석 하였고, 이를 실험값과 비교한 결과 오차가 개선되었음을 확인할 수 있었다. In this work, an appropriate analysis model of a precise foot sensor with low detection pressure capability under a low range of variation in the dimensional variables was proposed . With a simple two-dimensional model, it was found that a remarkably high error level sometimes occurred between the analysis and experimental results. In order to overcome the error and improve the performance, a three-dimensional model was introduced, and the detection pressure and sensor characteristics were compared with those of the experimental results, which showed its enhanced performance with less error and higher precision.
유한요소 해석을 통한 실리콘 족적 센서의 감도 조절 및 설계
성벽경(Byuck Kyung Seong),서형규(Hyung Kyu Seo),이진욱(Jin Wook Lee),권애란(Ae-Ran Kwon),김동환(Dong Hwan Kim) Korean Society for Precision Engineering 2014 한국정밀공학회지 Vol.31 No.11
A design and analysis for new foot sensor that measures pressure distribution while walking or running in daily life is introduced. In the process of the sensor design, the shape, mechanism composing of the sensor, and variables that dominate sensor’s sensitivity are investigated. Through these variables analysis, an optimal shape and dimension were determined. The effects of variables on sensor’s sensitivity and the relationship between each variable are proved by analyses and experiments.
Analysis of New Vacuum Caterpillar Structure Drive System for Solar Panel Cleaning Robot
성벽경(Byuck Kyung Seong),옥서원(Seo Won Ok),김동환(Dong Hwan Kim) Korean Society for Precision Engineering 2018 한국정밀공학회지 Vol.35 No.2
In this paper, we studied a new vacuum caterpillar drive system that can be used for solar panel cleaning robots. The conventional vacuum caterpillar structure has an issue, in that the vacuum hose becomes twisted. As a result, we designed a new vacuum caterpillar structure with no vacuum hose kinks. Also, we verified that no issues concerning flow analysis exist with this new system. We found that this system with the proposed vacuum caterpillar structure has an appropriate performance as a solar panel cleaning robot for practical use.