• Advances in concrete construction
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• 제13권5호
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• pp.367-376
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• 2022

Theoretical study of vibration distinctiveness of rotating cylindrical are examined for three volume fraction laws viz.: polynomial, exponential and trigonometric. These laws control functionally graded material composition in the shell radius direction. Functionally graded materials are controlled from two or more materials. In practice functionally graded material comprised of two constituent materials is used to form a cylindrical shell. For the current shell problem stainless steel and nickel are used for the shell structure. A functionally graded cylindrical shell is sanctioned into two types by interchanging order of constituent materials from inner and outer side for Type I and Type II cylindrical shell arrangement. Fabric composition of a functionally graded material in a shell thickness direction is controlled by volume fraction law. Variation of power law exponent brings change in frequency values. Influence of this physical change is investigated to evade future complications. This procedure is capable to cater any boundary condition by changing the axial wave number. But for simplicity, numerical results have been evaluated for clamped- simply supported rotating cylindrical shells. It has been observed from these results that shell frequency is bifurcated into two parts: one is related to the backward wave and other with forward wave. It is concluded that the value of backward frequency is some bit higher than that forward frequency. Influence of volume fraction laws have been examined on shell frequencies. Backward and forward frequency curves for a volume fraction law are upper than those related to two other volume fraction laws. The results generated furnish the evidence regarding applicability of present shell model and also verified by earlier published literature.

• Journal of applied mathematics & informatics
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• 제25권1_2호
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• pp.415-424
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• 2007

The generalized inverses have many important applications in the aspects of theoretic research and numerical computations and therefore they were studied by many authors. In this paper we get some necessary and sufficient conditions of the forward order law for {1}-inverse of multiple matrices products $A\;=\;A_1A_2{\cdots}A_n$ by using the maximal rank of generalized Schur complement.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1991년도 하계학술대회 논문집
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• pp.805-808
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• 1991

In this paper, dynamical model and control architecture are developed for the closed chain motion of two N-joint manipulators holding a rigid object. Controller consist of forward controller which is reduced order model and compensator that compensates for modeling error. Control laws are determined so as to decouple the force and position controlled degree of freedom(DOF) during motion of the system.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제16권7호
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• pp.2425-2458
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• 2022

The continuous evolution and proliferation of computer technology and our increasing dependence on computer technology have created a new class of threats: "cyber threats." These threats can be defined as activities that can undermine a society's ability to maintain internal or external order while using information technology. Cyber threats can be mainly divided into two categories, namely cyber-terrorism and cyber-warfare. A variety of malware programs are often used as a primary weapon in these cyber threats. A significant amount of research work has been published covering different aspects of cyber threats, their countermeasures, and the policy-making for cyber laws. This article aims to review the research conducted in various important aspects of cyber threats and provides synthesized information regarding the fundamentals of cyber threats; discusses the countermeasures for such threats; provides relevant details of high-profile cyber-attacks; discusses the developments in global policy-making for cyber laws, and lastly presents promising future directions in this area.

• 한국컴퓨터정보학회논문지
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• 제24권2호
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• pp.163-169
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• 2019

Korea has the potential to lead the era of the Fourth Industrial Revolution, which succeeded in the information and communication revolution, including the establishment of an e-government. The Go match between humans and computers has led to the realization that humans are starting to live in a new era that they have never experienced before. In 2018, the Federation of Science and Technology Organizations conducted a recognition survey on "what is the most urgent thing?" in the era of the Fourth Industrial Revolution. As a result, it has been shown that the readjustment of the laws of science and technology is most urgent, so it is necessary to analyze the laws of science and technology. According to the research, more than 400 laws are diagnosed, and laws that serve as basic laws cannot lead the Fourth Industrial Revolution. The Framework Act on Science and Technology provides an emphasis on the promotion and management of R&D projects. When analyzing the regulations on 'Development of Science and Technology Innovation System', 'Basic Plan of Science and Technology', and 'Comprehensive Plan for Promotion of Local Science and Technology', there is no suggestion of the Fourth Industrial Revolution. After all, a comprehensive analysis of the current Framework Act on Science and Technology indicates that it is in effect the R&D and Management Act. The "Regulations on the Establishment and Operation of the Fourth Industrial Revolution Committee" poses the problem of defining parliamentary legislation as administrative legislation. 'In addition, if we analyze the Smart City Act, the lack of logical links with the Framework Act on Science and Technology and the Regulations on the Establishment and Operation of the Fourth Industrial Revolution Committee is a major problem. In conclusion, in order to platform the Fourth Industrial Revolution, two improvements can be put forward. First, the Framework Act on Science and Technology shall be abolished to enact the National Research and Development Administration Act, and secondly, the Framework Act on the Fourth Industrial Revolution shall be enacted to absorb the contents of the Regulations on the Establishment and Operation of the Fourth Industrial Revolution Committee.

• Perspectives in Nursing Science
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• 제6권1호
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• pp.39-53
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• 2009

The purpose of this study is to grasp the present system of Advanced Practice Nurse(APN) and to suggest strategies for enhancing the recognition of APNs institutionally in Korea. We searched and reviewed literature and materials about the APN development process and present situation and related laws. We recognized that there were many kinds of problems in the APN system of Korea: a weak support from health care system, obscured classification of APN's services, confusion of qualifications, and lack of compensation from the national health insurance system. We should, therefore, identity the list of Korean APN's services and provide further studies about patient's outcome cared by APNs. Also, there is a need to create a demand for APNs to keep the quality of services guaranteed by APN. APN system must be established to progress forward in order to provide good benefits for the people.

• 문화기술의 융합
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• 제2권4호
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• pp.23-29
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• 2016

지식(Knowledge)을 보관하는 것을 저장(Store)이라하고 저장된 지식을 이용하는 것을 활용(Forward)함에 있어 이를 극대화하기 위한 다양한 관점에서의 저장과 활용에 관한 법칙을 연구하는데 있다. 즉, '인간과 지식', '인간과 재화', '인간과 정반합의 법칙', '인간의 아키텍처 형성 과정', '인간과 지식'의 5가지 관점에서의 관계 법칙을 분석하고 조직의 지식창출을 통한 지식경영, 직관력 배양, 신속한 의사결정, 다양한 지식의 이해 등을 통하여 지식 저장과 활용의 관계 법칙을 극대화 시킬수 있다는 것을 연구한다. 또한. 이렇게 얻어진 지식경영시스템은 조직 내 지식의 가치를 극대화하기 위하여 구성원들의 지식창출에 대하여 다양한 정보를 체계적으로 정리, 전 사원들에게 유통시켜 업무에 활용토록 하는 정보관리 인프라로서 첨단 정보 기술의 조합을 통해 조직 내에 축적되는 각종 지식과 노하우를 효율적으로 관리하고 이를 상호 공유할 수 있도록 한다.

• 통상정보연구
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• 제8권1호
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• pp.357-369
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• 2006

All over the country tries to clarify the content of 'Public Policy' in recognition and implementation of Foreign Arbitral Awards : it makes comments of the international consensus of Geneva Convention(1927), New York Convention(1958) and the UNCITRAL Model Law on Public Policy, and it takes a general view of domestic laws how they deal with Public policy and Foreign Arbitral Awards. Foreign Arbitral Awards should be appropriately respected and implementation by the courts of countries encourage parties in a legal procedure to refuse enforcement by invoking "Public Policy." In order to cope with such invocations, the purport of the above recommendation on Foreign Arbitral Awards should be internationally recognized and the exceptional circumstances should be restricted unless the International Court of Arbitral Awards is not established a Dr. Holtzmann/Schwebel brought forward. In this paper suggests the list of the exceptional circumstances. Korean Arbitration Law stipulates as the Civil proceeding Law did, "good morals and the social order of the Republic of Korea" as a ground for refusing enforcement of Arbitral Awards. Studies on counteraction against invocations of Public Policy to refuse enforcement of Foreign Arbitral Awards should be developed.

• 한국IT서비스학회지
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• 제13권3호
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• pp.149-164
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• 2014

The laws and policies governing Korea's game regulations are becoming more and more topics for debate as we enter the Age of Internet. The nature of the basis for Internet regulations and policies are not rooted in freedom of speech or fundamental values of democracy, but rather focused on solving real-world problems such as protection of the youth. Furthermore, the reality is that regulatory devices for keeping the social order such as regulating gambling are being applied directly to games without consideration on the characteristics of Internet gaming, raising concerns that the expansion of constitutional values and innovative empowerment inherent to the Internet are being weakened. The Geun-Hye Park Administration which succeeded Myung-Bak Lee's Administration, even went so far as to implement the so-called "Shutdown Policy", which prohibits access to Internet games during pre-defined time zones and also instigated a time zone selection rule. In order to curb the gambling nature of Internet games, government-led policies such as the mandatory personal identification and prohibition of player selection or in other words mandatory random player selection are being implemented. These institutions can inhibit freedom of speech, which is the basis of democracy, violate the right of equality through unreasonable discrimination between domestic and foreign service providers, and infringe upon the principles of administrative law, such as laws, due process in policies, and balance in among policies and governmental bodies. Going forward, if Korea's Internet game regulations and polices is to develop in a rational manner, regulatory frameworks will need to be designed to protect the nature of the Internet and its innovative values that enable the realization of constitutional values; for example, the Internet acting as the "catalytic media for freedom of expression as a fundamental human right ", which has already been acknowledged by the Korea's Constitutional Court. At the same time, transparent procedures should be put into place that will allow diverse participation of stakeholders including game service providers, game users, the youth and parents in the legislation and enforcement process of regulatory institutions; policies will also need to be transformed to enable not only regulatory laws but also self-regulation system to be established. And in this process, scientific and empirical analysis on the expected effects before introducing regulations and the results of enforcing regulations after being introduced will need to be strengthened.

• 해양환경안전학회지
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• 제23권4호
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• pp.376-384
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• 2017

선박급유업은 국제물류흐름의 허브인 항만의 부가가치 창출을 위한 핵심적인 사업 중의 하나이다. 선박급유업의 법 제도적인 개선을 통하여 급유산업의 안정화를 도모하여 항만이 실질적으로 부가가치를 창출하는 기능을 수행할 수 있도록 해야 한다. 이 논문에서는 항만운송법과 해운법의 개정, 안전관리체계의 일원화, 선박유 품질관리를 위한 지침제정, 선박급유업자의 불법행위에 대한 관리 및 법 개정에 대한 대책을 제시하고 한다. 결론적으로 선박급유업의 경영 안정화 및 중장기 발전을 위하여 정부, 정유사, 급유선 선주 등이 주체별로 역할을 분담하여 할 것이며, 선진화를 위해서 단계적으로 계약체계 및 법 제도의 개선을 추진해야 할 것이다.