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머신비전을 이용한 PWM Shaft의 자동검사 시스템 개발
배진호,김성관,Bae, Jin-Ho,Kim, Sung-Gaun 한국생산제조학회 2013 한국생산제조학회지 Vol.25 No.3
In this paper, in order to overcome shortcomings of manual inspection for the automotive PWM Shaft, we developed an automated inline inspection system. The automated inline inspection system consists of the work feeder unit, conveying unit, outer diameter check unit, run-out and roundness check unit, machine vision, defective separation unit and status alarm unit. We used the machine vision system for automatic inspection process and designed the inline systems for automatic feeding and selecting process. Also the repeated operation test was performed in order to verify the precision and reliability of the proposed automated inline inspection system.
생물 야외 탐구 프로그램이 예비 초등교사의 환경소양과 과학적 태도에 미치는 영향
배진호,소금현 韓國生物敎育學會 2014 생물교육 Vol.42 No.1
The purpose of this study was to investigate the effects of the biology field-trip inquiry program on environmental literacy and scientific attitude of elementary preservice teachers. The study subjects were two classes of science education department of two different national university of education, experimental group was the one applied the biology field-trip inquiry program, otherwise comparison group was the other one not applied the biology field-trip inquiry program. The results of this study were as follows. First, the biology field-trip inquiry program influenced significantly the improvement of environmental literacy of elementary preservice teachers. The cognitive, affective and behavioral domains of all 3 sub-domains of environmental literacy were improved. Second, the biology field-trip inquiry program influenced significantly the improvement of scientific attitude of elementary preservice teachers, especially criticism, cooperativity sub-domain of scientific attitude.
심장 수술시 Aprotinin 을 사용한 환자에서 activated Clotting Time 과 Thromboelastography 를 이용한 수술 후의 출혈량 예측
배진호,함병문 대한마취과학회 2000 Korean Journal of Anesthesiology Vol.38 No.2
Background : Activated clotting time (ACT) and thromboelastography (TEG) are generally accepted as adequate measures of the coagulation system for monitoring of the cardiac system. Aprotinin is alleged to affect ACT and TEG. We performed this study to see if the determination of ACT and TEG can provide a basis for the assessment of coagulation and the prediction of postoperative hemorrhage in cardiac surgical patients treated with aprotinin. Methods : Twenty patients undergoing cardiac operation were studied. The values (control) of ACT and TEG were obtained just after induction of anesthesia. Each patient was fully heparinized and received aprotinin, 2,000,000 KIU added to the prime solution. At the end of the procedure, protamine, 3 mg/kg was given for the neutralization of heparin, Measurement of ACT and TEG were made 20 minutes after the administration of protamine, at the end of surgery, and 1 hour after transfer to ICU. The values were compared with the amount of hemorrage collected by chest tubes 1 hour, 2 hours and 8 hours after transferred to ICU. Results : The values of ACT at 20 minutes after protamine administration and at the end of surgery significantly (P $lt; 0.05) increased compared with the values of control, but the values in ICU did not show significant change. All values of TEG significantly (P $lt; 0.05) changed compared with the values of control. No single variable of ACT and TEG showed correlation with the amount of hemorrhage through chest tubing postoperatively. Conclusions : The results indicate that neither ACT nor TEG predict the amount of postperative hemor- rhage in aprotinin-treated patients having cardiac surgery. Therefore the TEG results should be interpreted cautiously because of the high rate of unreliable results. (Korean J Anesthesiol 2000; 38: 307~313)
생물야외탐구 프로그램이 초등 예비교사의 과학 긍정경험과 의소소통능력에 미치는 영향
배진호 부산교육대학교 2024 미래교육과 융합연구 Vol.- No.-
본 연구에서는 생물야외탐구 프로그램이 초등 예비교사들의 과학긍정경험, 의사소통능력에 미치 는 영향을 알아보고자 하였다. 이를 위해 B교육대학교 3학년 학생 총 25명으로 구성된 연구대상자들 에게 생물야외탐구 프로그램을 적용하였다. 본 연구의 결과는 다음과 같다. 첫째, 생물야외탐구 프로그램은 초등 예비교사들의 과학긍정경험을 향상시켰다. 생물야외탐구 프로그램 중 우포늪을 실제로 방문하여 자연 세계를 직접 관찰하고 탐구와 실험을 수행하여 과학 탐구와 자연 세계에 대한 이해를 높여 과학 활동에 대한 긍정적인 실제 경험이 초등 예비교사들의 과학긍정경험을 향상시킨 것으로 생각된다. 둘째, 생물야외탐구 프로그램은 초등 예비교사들의 의사소통능력을 향상시켰다. 우포늪에서 이루어지는 탐구 활동은 모둠 활동이라 모둠원들끼리의 의사소통이 과학 탐구 활동을 수행하는 데 있어서 매우 중요하다. 모둠원들끼리 2박 3일의 비교적 많은 시간을 같이 탐구활동을 수행하면서 많은 의사소통 활동이 이루어져 초등 예비교사들의 의사소통능력이 향상된 것으로 보인다.
ARCS 전략을 적용한 초등과학 수업이 과학적 태도, 자기 효능감 및 학업 성취도에 미치는 영향
배진호,김진수 韓國生物敎育學會 2010 생물교육 Vol.38 No.2
In this research, we applied the effect of ARCS learning strategies on scientific attitude, selfefficacy and learning achievement in the elementary science class. The results were as follows: First, the elementary science class through ARCS strategy improved scientific attitude positively. In subcategories of scientific attitude, it was effective on openness, criticism and reserving judgement. It is considered that there was a positive improvement due to various activities in the science class through ARCS strategies. Second, the science class through ARCS strategy had positive efficiency on the improvement of self-efficacy for the learners. Third, the science class through ARCS strategies contributed to the improvement of science learning achievement. As elementary science class through ARCS strategies using motivation strategy was effective on not only emotional but also cognitive domains, these strategies needed to make a positive using.