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지체부자유 환자를 위한 싸이클형 헬스케어 재활훈련기 디자인 개발
조재상(J. S. Cho),송성미(S. M. Song),권대규(T. K. Kwon),조광수(K. S. Cho),홍정표(J. P. Hong) 한국재활복지공학회 2014 한국재활복지공학회 학술대회논문집 Vol.2014 No.11
South Korea is rapidly becoming an aging society, and moreover, there is an increasing number of the handicapped by congenital or acquired causes, wherewith there has been a growing interest in rehab medicine industry and rehab training. Hereat, this study was conducted to develop the design of bike-type rehab equipment. In line with it, an investigation was made into the problems of healthcare designs and bike-rehab training, and then the bike-type rehab equipment was evaluated with regard to its usability and applicability, from the perspective of rehab patients. After an ergonomic analysis was made of Koreans’ physical characteristics, a cluster analysis was made of 54 samples, bike-type rehab devices made by 5 companies, in addition to a trend analysis on shapes and colors. Based on the results, idea sketches were evaluated in twice and the design was created with 3D modeling. The proposed designs were evaluated by 10 rehab-device indexes, wherefrom the most ideal proposal was selected. Then, a prototype was made as designed and its usability was evaluated by rehab patients. The last step was to correct and compensate the problems and defects detected in the process of usability evaluation, and the final prototype came out on this wise.
천공유압드릴 장비에서 작업 동작에 따른 연비 측정 및 평가 기술 연구
최진구(J. G. Choi),강주영(J. Y. Kang),김종민(J. M. Kim),배종원(J. W. Bae),이충근(C. G. Lee),이정호(J. H. Lee),김주호(J. H. Kim),이대엽(D. Y. Lee),송윤우(Y. W. Song),김명보(M. B. Kim),조재상(J. S. Cho) 유공압건설기계학회 2017 유공압건설기계학회 학술대회논문집 Vol.2017 No.11
In order to improve the fuel economy of a hydraulic drilling machine, which consumes relatively large amount of fuel compared to other typical construction machinery, a comparison is made between gravimetric fuel consumption using mass flowmeter and CAN signal. And, since the data of CAN signal is close enough to the measured data of a flowmeter, fuel consumption at real work mode is measured and analyzed using CAN signals. A result show that drilling mode occupies about 67.4% of total fuel consumption. It is concluded that this work may contribute to enhance fuel economy of hydraulic drilling machines.