• Journal of the Korean Home Economics Association
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• v.25 no.3
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• pp.1-13
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• 1987

In this study, I have tested the effects of the agents and dyeing conditions on the Brazil-wood dyestuff as one plant dyestuffs. According to the tests, I have fount that color differenciation depending opon the agents and procedual condtitions. As the agents, Alm induced redness and light yellowness by Aluminum Acetate, dark greenness or blueness by Ferrous chloride, dark redness by Stannous Chloride, dark grenness or blueness by Copperous Chloride, light yellowness or greenness by Calcium Dihydroxide. On the other hand, color-fastness differed from various mordant agents. The color-fastnes was solid using multiple agents than sole agent.

• Proceedings of the KIEE Conference
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• 1989.07a
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• pp.685-688
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• 1989

This paper presents two methods for reducing the position error of the robot hand. The first method change the parameters of the D-H transformation using real position error. The other one calibrates the joint angle by using the datas from the known teaching points. SCARA type robot is used for verifing the validity of the proposed methods.

• 제어로봇시스템학회:학술대회논문집
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• 1991.10a
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• pp.1057-1062
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• 1991

Recently, due to the development of new technology and products, FA has been accelerating for obtaining high-quality and saving of resources and power. Introduction of automation to the field which has bad working condition is needed and welding is one of these field. In this study, solving algorithm for down hand control which requires in the automatic are welding system is proposed. For the verification of the algorithm, numerical examples are shown and visualization is carried out using developed graphic tools.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
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• 1998.03a
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• pp.11-18
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• 1998

In grinding operations, one of the most important problems is to increase efficiency of process. In order to achive this purpose, it is necessary to administer the tool life of grinding wheel and to optimize grinding conditions. Frequently dressing result in lowering the process efficiency remarkably and makes production cost high. On the other hand, grinding with a worn wheel causes the workpiece surface roughness to increase and often results in the occurrence of such troubles as chatter vibration and burning.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.23 no.59
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• pp.79-84
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• 2000

Korean industries have been tend to depending upon historical information to control risk. The other hand, foreign industries have been identify risk factors using system safety techniques to predict future risk. One agency or person could not solve the problems of total safety system for improving productivity. In order to solve those problems, the production-safety group is necessary, and safety control system must be adapted by fitting to the production flow. This paper is present the methodology of driving occupational safety programs to increase productivity.

• Kyungpook Mathematical Journal
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• v.54 no.4
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• pp.511-519
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• 2014

In this paper, we prove two uniqueness theorem on meromorphic functions sharing one value which generalize a recent result of R. S. Dyavanal [2], and on the other hand, we relax the nature of sharing value from CM to IM.

• Proceedings of the Korea Contents Association Conference
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• 2013.05a
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• pp.47-48
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• 2013

스마트폰의 크기가 점점 대형화 되면서 한 손으로 작업하는 영역이 크기를 초과하는 경우가 있다. 이에 제조사별로 한손 조작의 편의성을 위한 UI 디자인이 적용되고 있다. 본 논문을 통해 한 손 조작에 대한 기존의 UI 디자인을 토대로 개선점을 논의해 보고자 한다.

• Journal of the Korea Safety Management & Science
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• v.2 no.3
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• pp.1-11
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• 2000

Avoiding the industrial accidents is one of the goals in manufacturing industries from the top manager to the foremen. Therefore all the companies try to prevent occupational accidents using system safety programs in order to increase the productivity. Korean industries have been tended to depend upon historical information to control risks. The other hand, foreign industries have identified risk factors using system safety techniques to predict future risks. This study presents the method to apply the foreign industries risk control technique to the Korean industries.

• Journal of Biomedical Engineering Research
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• v.13 no.3
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• pp.201-208
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• 1992

In the indirect optical bio-telemetry, high frequency response and low minimum detectable optical power can be achieved by using photodiode with small light receiving area which minimizes junction capacitance. But, on the other hand, S/N ratio becomes low because the optical signal current is small. To solve such a problem, we attach plato-convex lens in front of photo diode, The results of comput- er simulation and experiments suggest promotion of light receiving efficiency and possibility of multi- telemetry system through directivity of convex lens in one room.

• Clean Technology
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• v.2 no.2
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• pp.90-99
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• 1996

Being confronted with the 21th century at hand, a paradigm shift has been a common topic for development in many fields. Among these, a concept of sustainable development is the most important one to resolve conflict and nurture mutualism between science/technology(SCI/TEC) and society/environment(SOC/ENV). Looking briefly over the resent stats of the chemical industry in Japan, in this paper, we will introduce a research program named simple chemistry as an example for such a challenge.