• Title/Summary/Keyword: 산학서(算學書)

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Business process model for vertical relationship -Focusing on the automotive industry- (수직관계 비즈니스 프로세스 모형에 관한 연구 -자동차산업 분야를 중심으로-)

  • Kim, Jin-Suk
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.12 no.8
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    • pp.3458-3465
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    • 2011
  • Business relationships can be divided into vertical and horizontal relationships. Relationship between horizontal competitors in the business of business to be done is generally vertical relationship between the main office Suppliers and Contractors says business done. In general, the number of models of business relationships through a lot of things are known. Model consisting of a vertical relationship, but there are not many highlights. In this paper, the vertical relationship problems based on the business model to develop. Vertical relationships include leading industrial electronics, automotive and many industrial tempted to target the automotive industry, but in this paper developed a model to look at. In Chapter 2 the theoretical background needed to develop a process model to examine the vertical relationship between Chapter 3 Features Find out about your business. Followed by Chapter 4 of this paper, the vertical relationship between the core business process model is developed. Finally, Chapter 5 of the study limitations and future research directions are suggested.

Teleoperation Using Reconstructed Graphic Model (재구성된 그래픽 모델을 이용한 원격제어)

  • Chung, Seong-Youb;Yoon, Hyun-Joong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.9
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    • pp.3876-3881
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    • 2012
  • In typical master/slave teleoperation systems, a human operator generally manipulates the master to control the slave through the visual information like camera image. However, the operator may get into trouble due to the limited visual information depending on the camera positions and the delay on the visual information because of low communication bandwidth. To cope with this inherit problem in the camera-based teleoperation system, this paper presents a teleoperation system using a reconstructed graphic model instead of the camera image. The proposed teleoperation system consists of a robot control module, a master module using a force-reflective joystick, and a graphic user interface (GUI) module. The graphic user interface module provides the operator with a 3D model reconstructed using a small set of sensing data received from the remote site. The proposed teleoperation system is evaluated through a peg-in-hole assembly task.

Development and Performance Evaluation of a Liquid Particle Generator (액적 발생 장치 개발 및 성능 평가)

  • Heo, Jung-Hyuk;Kim, Dae-Seong
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.9
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    • pp.4334-4340
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    • 2012
  • In this work, we developed and evaluated the Liquid Particle Generator for generating fine particles in the air. The Liquid Particle Generator, which was based on the spray-evaporation method, had two kinds of orifices: 0.3 mm and 0.5 mm. The Liquid Particle Generator was operated at different pressure between 1 bar and 4 bars to find relationship between input pressure and droplet output rate. In addition, the size distribution of the droplets generated by the Liquid Particle Generator with different orifices was measured by the SMPS system and the optical particle counter. As a result, it was shown that the Liquid Particle Generator with 0.3 mm orifice generated droplets of around 0.3 ${\mu}m$ and atomized particles very stably. The Liquid Particle Generator having 0.5 mm orifice generated bigger droplets, compared with the Liquid Particle Generator with 0.3 mm orifice. Additionally, in these Liquid Particle Generators (0.3 mm and 0.5 mm orifice), little coagulation of particles did occur because of fine droplets atomized by the jet. Therefore, the Liquid Particle Generator could be used as an aerosol generator for atomizing fine particles.

Detecting cell cycle-regulated genes using Self-Organizing Maps with statistical Phase Synchronization (SOMPS) algorithm (SOMPS 알고리즘을 이용한 세포주기 조절 유전자 검출)

  • Kang, Yong-Seok;Bae, Cheol-Soo
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.9
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    • pp.3952-3961
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    • 2012
  • Developing computational methods for identifying cell cycle-regulated genes has been one of important topics in systems biology. Most of previous methods consider the periodic characteristics of expression signals to identify the cell cycle-regulated genes. However, we assume that cell cycle-regulated genes are relatively active having relatively many interactions with each other based on the underlying cellular network. Thus, we are motivated to apply the theory of multivariate phase synchronization to the cell cycle expression analysis. In this study, we apply the method known as "Self-Organizing Maps with statistical Phase Synchronization (SOMPS)", which is the combination of self-organizing map and multivariate phase synchronization, producing several subsets of genes that are expected to have interactions with each other in their subset (Kim, 2008). Our evaluation experiments show that the SOMPS algorithm is able to detect cell cycle-regulated genes as much as one of recently reported method that performs better than most existing methods.

Victimized woman under masculine power: Rappaccini's Daughter (남성의 권력에 의해 희생된 여성: 『라파치니의 딸』)

  • Ryu, Da-Young
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.10
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    • pp.456-466
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    • 2018
  • Nathaniel Hawthorne mainly deals with the ethical problems of sin and punishment in his works. Through these topics, readers have the opportunity to look more deeply into human nature. In Rappaccini's Daughter, he explains how the power of men influences a woman's life and drives her to death. Her father, Rappaccini, cultivates plants in his garden that are toxic and conducts a scientific experiment that gives his daughter Beatrice a fatal level of toxicity. He insists that this experiment was performed to protect Beatrice, but ultimately, it causes her death. Giovanni, who falls in love with Beatrice, provided an antidote in the attempt to detoxify her, but it resulted in her death. Finally, Baglioni used Giovanni to steer Beatrice to drink the antidote to defend his social status. The three men's selfishness and jealousy led to the demise of Beatrice, who eventually died from the selfish power of men and not due to her toxicity.

A Study on the Realities of Sexual Violence and the Measure for Social Welfare (성폭력 실태와 사회복지적 대책 방안에 관한 연구)

  • Bae, Na-Rae;So, Kwon-Seob
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.2
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    • pp.251-258
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    • 2020
  • This study aims to address the current situation and damage from sexual violence, to arouse public opinion, help broader awareness, and further lead to community social efforts to cope actively with the situation. In Korean society, discourse on sex is often conducted in a double structure. Sexual violence is not just a personal misfortune; it is a problem for women as a whole. Furthermore, it is a challenge that society needs to address. Therefore, the government should evolve its response to sexual violence into a collective, not individual, movement of men and women toward social and cultural movements together. Although the visible reality of sexual violence is important, damaging their mental health by passing on a distorted cultural environment to future generations should be seen as a type of historical crime.

Automatic Detection of Dissimilar Regions through Multiple Feature Analysis (다중의 특징 분석을 통한 비 유사 영역의 자동적인 검출)

  • Jang, Seok-Woo;Jung, Myunghee
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.2
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    • pp.160-166
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    • 2020
  • As mobile-based hardware technology develops, many kinds of applications are also being developed. In addition, there is an increasing demand to automatically check that the interface of these applications works correctly. In this paper, we describe a method for accurately detecting faulty images from applications by comparing major characteristics from input color images. For this purpose, our method first extracts major characteristics of the input image, then calculates the differences in the extracted major features, and decides if the test image is a normal image or a faulty image dissimilar to the reference image. Experiment results show that the suggested approach robustly determines similar and dissimilar images by comparing major characteristics from input color images. The suggested method is expected to be useful in many real application areas related to computer vision, like video indexing, object detection and tracking, image surveillance, and so on.

Quantitative EEG Analysis on Emotional characteristics of Children experiencing Domestic Violence (가정폭력을 경험한 피해자녀의 감정 특성에 관한 정량화 뇌파연구)

  • Byun, Youn-Eon;Weon, Hee-Wook
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.11
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    • pp.166-175
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    • 2017
  • This study examined children from two families exposed to domestic violence and had psychological counseling in July 2017 at KOVA, a support organization for crime victims. The subjects were exposed to family violence in excess of 10 years and was protected by the shelter with their mothers who had filed complaints with the local police. Victims of domestic violence often face difficulty in avoiding the source of aggression, and thus experience repetitive attacks. This research was conducted at the Buddhism Brain Research Facility, Seoul University, to identify and quantify the emotional characteristics of the affected children in which it is difficult to escape from their living conditions. Data was collected by BrainMaster, a 19-channel examination kit, and analyzed by NeuroGuide. As a result of analyzing the emotional characteristics of the affected children through Quantitative EEG and brain topographical map, we found an increase of slow wave and problems with abnormality of Alpha, High Beta in the left and right Frontal area asymmetry.

A Survey of the Modeling of the Production Planning and Scheduling in an Integrated Steel Mill (일관제철소 생산계획 및 일정계획 모형에 관한 조사연구)

  • Seong, Deokhyun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.18 no.11
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    • pp.263-281
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    • 2017
  • Global optimization that considers the processes at integrated steel mills is more important than the local optimization to improve the efficiency of a single process. Research utilizing mathematical models at integrated steel mills predominantly focus on solving problems solely for a specific process or focusing on what techniques are applied to. However, it is important to define the problems that must be solved at the steelworks, identify the objectives and constraints that can be modeled, and selection of methodologies that can be applied to the problems. The purpose of this study is to investigate the problems in improving efficiency at integrated steel mills from the viewpoint of production & operations management. We review the research have been conducted in order to solve those problems. We classified the research into 6 categories and suggested future research direction based on the global optimization. It is expected that research themes for improving the efficiency at integrated steel mills will be derived.

Modified Lorenz Chaos Synchronization Via Active Sliding Mode Controller (능동 슬라이딩 모드 제어기를 이용한 변형된 Lorenz 카오스 동기화)

  • Ryu, Ki-Tak;Lee, Yun-Hyung
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.19 no.7
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    • pp.16-23
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    • 2018
  • Chaos is one of the most significant topics in nonlinear science, and has been intensively studied since the Lorenz system was introduced. One characteristic of a chaotic system is that the signals produced by it do not synchronize with any other system. It therefore seems impossible for two chaotic systems to synchronize with each other, but if the two systems exchange information in just the right way, they can synchronize. This paper addresses the problem of synchronization in a modified Lorenz chaotic system based on active control, sliding mode control, and the Lyapunov stability theory. The considered synchronization scheme consists of identical drive and response generalized systems coupled with linear state error variables. For this, a brief overview of the modified Lorenz chaotic system is given. Then, control rules are derived for chaos synchronization via active control and slide mode control theory, with a strategy for solving the chattering problem. The asymptotic stability of the overall feedback system is established using the Lyapunov stability theory. A set of computer simulation works is presented graphically to confirm the validity of the proposed method.