• Title/Summary/Keyword: fourth industrial era

Search Result 384, Processing Time 0.029 seconds

A Study on the Operation of Multi-Beam Antenna for Airborne Relay UAV considering the Characteristics of Aircraft (비행체의 특징을 고려한 공중중계 무인기 다중빔 안테나 운용 방안)

  • Park, Sangjun;Lee, Wonwoo;Kim, Yongchul;Kim, Junseob;Jo, Ohyun
    • Journal of Convergence for Information Technology
    • /
    • v.11 no.4
    • /
    • pp.26-34
    • /
    • 2021
  • In the era of the Fourth Industrial Revolution, the future battlefield will carry out multi-area operations with hyper-connected, high-speed and mobile systems. In order to prepare for changes in the future, the Korean military intends to develop various weapons systems and form a multi-layer tactical network to support On The Move communication. However, current tactical networks are limited in support of On The Move communications. In other words, the operation of multi-beam antennas is necessary to efficiently construct a multi-layer tactical network in future warfare. Therefore, in this paper, we look at the need for multi-beam antennas through the operational scenario of a multi-layer tactical network. In addition, based on development consideration factors, features of rotary-wing and fixed-wing aircraft, we present the location and operation of airborne relay drone installations of multi-beam antennas.

Fandom-Persona Design based on Social Network Analysis (소셜 네트워크 분석을 이용한 팬덤 페르소나 디자인)

  • Sul, Sanghun;Seong, Kihun
    • Journal of Internet Computing and Services
    • /
    • v.20 no.5
    • /
    • pp.87-94
    • /
    • 2019
  • In this paper, the method of analyzing the unformatted data of consumers accumulated on social networks in the era of the Fourth Industrial Revolution by utilizing data from the service design and social psychology aspects was proposed. First, the fandom phenomenon, which shows subjective and collective behavior in a space on a social network rather than physical space, was defined from a data service perspective. The fandom model has been transformed into a collective level of customer Persona that has been analyzed at a personal level in traditional service design, and social network analysis that analyzes consumers' big data has been presented as an efficient way to pattern and visually analyze it. Consumer data collected through social leasing were pre-processed by column based on correlation, stability, missing, and ID-ness. Based on the above data, the company's brand strategy was divided into active and passive interventions and the effect of this strategic attitude on the growth direction of the consumer's fandom community was analyzed. To this end, the fandom model of consumers was proposed by dividing it into four strategies that the brand strategy had: stand-alone, decentralized, integrated and centralized, and the fandom shape of consumers was proposed as a growth model analysis technique that analyzes changes over time.

A Study on Model for Drivable Area Segmentation based on Deep Learning (딥러닝 기반의 주행가능 영역 추출 모델에 관한 연구)

  • Jeon, Hyo-jin;Cho, Soo-sun
    • Journal of Internet Computing and Services
    • /
    • v.20 no.5
    • /
    • pp.105-111
    • /
    • 2019
  • Core technologies that lead the Fourth Industrial Revolution era, such as artificial intelligence, big data, and autonomous driving, are implemented and serviced through the rapid development of computing power and hyper-connected networks based on the Internet of Things. In this paper, we implement two different models for drivable area segmentation in various environment, and propose a better model by comparing the results. The models for drivable area segmentation are using DeepLab V3+ and Mask R-CNN, which have great performances in the field of image segmentation and are used in many studies in autonomous driving technology. For driving information in various environment, we use BDD dataset which provides driving videos and images in various weather conditions and day&night time. The result of two different models shows that Mask R-CNN has higher performance with 68.33% IoU than DeepLab V3+ with 48.97% IoU. In addition, the result of visual inspection of drivable area segmentation on driving image, the accuracy of Mask R-CNN is 83% and DeepLab V3+ is 69%. It indicates Mask R-CNN is more efficient than DeepLab V3+ in drivable area segmentation.

A Study on the Improvement Approaches of Immigration Workers' Legal System to Introduce Foreign Workers according to change the Population Structure (Low Fertility and Aging) (인구구조 변화(저출산·고령화)에서 외국인력 도입을 위한 이주노동자의 법제도적 개선방안 연구)

  • Lee, Chuck-He;Noh, Jae-Chul
    • Industry Promotion Research
    • /
    • v.6 no.1
    • /
    • pp.79-86
    • /
    • 2021
  • Due to the change in the demographic structure, the problem of low birth rate and aging population leads to a serious decrease in human resources, and the necessity of introducing foreign workers is increasing. This study believes that the introduction of foreign workforce is the most effective to expand the working-age population in the era of low birthrate and aging, when demographic changes begin in earnest, and to this end, it sought to devise measures to improve the legal system for migrant workers. As a result of this study, first, the legal system for migrant workers should be unified and improved. It is necessary to establish or unify management agencies so that the 「Immigration Control Act」 and the 「Labor Act」 can establish a cooperative relationship. Second, the 「Immigration Control Act」 should be revised to make it easier for migrant workers to find employment. It is necessary to positively review the employment permit system and acquisition of nationality. Third, there should be no equity or discrimination against migrant workers. Under the principle of mutual benefit, employers and migrant workers should not be equally discriminated against. Fourth, the social insurance system must be added to the legal system of migrant workers. Therefore, the legal system should be reorganized so that migrant workers are not discriminated against in various insurance systems including the four major social insurance systems. In conclusion, the problem of low birthrate and aging population has become a serious social problem due to changes in the demographic structure, and the decrease in the possible generation population has reached a level of concern. The importance of migrant workers' employment and work environment is increasing. Nevertheless, related legal and institutional problems still exist, and measures to improve the legal system for migrant workers are needed.

Lee Hang Ro's Mind-Theory and the Western-School - Focused on Byeoksarokbyeon and Yangwha in Ayeon (이항로의 심설과 서학(西學) ­ - 『벽사록변(闢邪錄辨)』·『아언(雅言)』 「양화(洋禍)」를 중심으로 -)

  • Kim, Hyon-woo
    • The Journal of Korean Philosophical History
    • /
    • no.59
    • /
    • pp.65-88
    • /
    • 2018
  • Lee Hang Ro's Mind-theory(心說) is an important theory comparable to it of Gi Jeong Jin, Lee Jin Sang and Jeon Woo. In this paper, I examined the influence of the Western-school(西學) in the process of formation of Lee's theory. Since the Western-school had flowed in the beginning of the 17th century, in the 18th century it was subject to Confucian intellectuals along with social stability. However, listed in the 19th century, along with the turmoil of the East Asian international order, the Western-school was also rejected. The Western-school was a tool to analyze the cause of Western invasion(西勢東漸) in him. Lee saw The Western-school from the standpoint of Christianity mainly. Especially Christianity was recognized as a religion that emphasizes God rather than humans. In contrast, Confucianism was understood as a thought system that emphasizes human moral subjectivity rather than God. In this process mind was expanded to the subjectivity of human. However, Lee only emphasized the traditional Confucianism order and ignored the rationality of the Western-school. He could not accommodate western civilization actively and properly respond to the world order in that time. On the other hand, we are now in the era of a new civilization called the Fourth Industrial Revolution. To this the remarks of Lee's Mind-theory will be an important suggestion point for organizing the new civilization actively.

A Study on the Effects of Companion Animals on Humans: Based on the Tale of a Righteous Dog in Hongseong (반려동물이 인간에 미치는 영향에 관한 연구: 홍성 의견(義犬) 설화를 중심으로)

  • Kim, Seok-Eun
    • The Journal of the Korea Contents Association
    • /
    • v.20 no.12
    • /
    • pp.659-670
    • /
    • 2020
  • This study analyzes the effects of companion animals on humans based on folk tales of righteous dogs in Hongseong. By targeting the theses and Hongseong righteous dog tales for this purpose, analyses of Ethnography and FGI(Focus Group Interview) were used among Qualitative Research Methods. According to research analysis, the impact of companion animals on humans was analyzed as emotional, economic, and cultural and environmental effects. In the case of emotional impact, the effect of companion animals on social sentiment is analyzed to have a positive effect in various classes, ranging from children and adolescents to the elderly and the socially vulnerable. On the economic aspect, SWOT analysis was attempted in connection with the rapid expansion of the companion animals industry, as represented by the Petconomy market, and analysis was attempted by focusing on cultural campaigns and tales that appeared in various cultural and environmental influences. The results of these studies suggest that this study is one that adds depth to the fact that it is the first attempt to analyze the culture and technology of companion animals, that it triggers the contribution of community development by analyzing the symbiotic relationship between companion animals and humans through the specific region, and that pets will have an emotional positive impact on human life in the era of the Fourth Industrial Revolution, when individualism will be maximized.

A Study on the Evaluation Direction of AI Education through the Analysis of SW Education Learner-centered Assessment Cases (SW교육 학습자 중심 평가 사례 분석을 통한 인공지능교육의 평가 방향 고찰)

  • Shin, Heenam;Ann, SungHun
    • Journal of The Korean Association of Information Education
    • /
    • v.24 no.5
    • /
    • pp.511-518
    • /
    • 2020
  • Preparing for the Fourth Industrial Revolution and Corona-19, our education is expanding a new chapter of learning to the era of AI education that incorporates software technology beyond software education. In this study, we will analyze the case of learner-centered assessment in software education and examine the assessment direction of artificial intelligence education through its effectiveness. Through the case of applying learner-centered assessment to non-computer subjects including computer subjects, we sought the effects on learners' learning, environmental conditions and assessment models of learner-centered evaluation, and through the case of applying the learner-centered assessment model to software education, we wanted to find out what the learner-centered assessment in artificial intelligence education suggests to the educational site. According to the analysis, the learner-centered assessment had a significant effect on the learner's achievement goal, and it is expected that the learner-centered assessment in artificial intelligence education will be carried out smoothly when an objective evaluation system and objective evaluation model are designed to help the learner's assessment, building digital environment conditions based on intelligent information technology.

On the New Prospect of Gangwon Border Area as a Peace Zone and its Sustainable Development (강원도 접경지역이 평화지역으로 가기위한 새로운 지평과 지속가능발전)

  • Kim, Jong-Hyun
    • The Journal of the Korea Contents Association
    • /
    • v.22 no.6
    • /
    • pp.638-651
    • /
    • 2022
  • Last year, a new perception of the right to peace on the Korean Peninsula was adopted: DMZ Yanggu Peace Declaration 2021. The Declaration reflects that there is a raising of necessity for a new perception and approach from the perspective of DMZ-related laws, sustainable ecological environment and security. Gangwon is making considerable efforts to make the border area in DMZ as an area of peace by continuously enhancing publicity on the establishment of the 'Peace Special Self-Governing Province'. This study suggests the necessity of a paradigm shift towards the significance of the interkorean border region that it should function as a passage between the South and the North rather than a dam. For, to be renewed as a sustainably developing region through newly constructed flow of communication, the wall of hostility must preliminarily fall dawn. Then a question arises about how Gangwon is, out of other border region, most eligible for the reconsideration of its significance as a border area. The answer relies on the newly established agenda and understandings towards the right to peace in the perspective of founding the policy for the Unification of the Korean Peninsula. Furthermore, the conservation of DMZ ecological environment through enlistment of UNESCO Biosphere Reserve should go hand in hand with the ultimate value of global agenda of the conservation and protection of the environment. The study insists that the peace zone is a prerequisite for the adaption of the era of future-oriented glocalization featured by the Fourth Industrial Revolution. Up to this date, the border area was an area of pain and agony. It is time for Gangwon to be reborn as an area of peace and coexistence. The aim of this study is to point a direction for Gangwon to become a sustainably developing region by illuminating the value of the Gangwon border area as a new area of peace.

A Study on the Types and Causes of Defects in Apartment Housing Information and Communication Work (공동주택 정보통신공사 하자 유형 및 원인에 관한 연구)

  • Park, Hyun Jung;Jeong, U Jin;Park, Jae Woo;Kang, Sang Hun;Kim, Dae Young
    • Journal of the Korea Institute of Building Construction
    • /
    • v.21 no.3
    • /
    • pp.231-239
    • /
    • 2021
  • Entering the era of the fourth industrial revolution, information and communication technologies such as CCTV, home network systems and equipment are being used in the construction industry. In particular, in order to increase the autonomy of information and communication technologies in apartments, the government has announced an administrative revision of information and communication-related laws, and companies are focusing on developing technologies such as smart home services. In addition, most domestic and foreign studies on the information and communication work were mainly conducted on technology and management. However there is a lack of research on physical defects affecting the quality of ICT. Therefore, this study collected the defect data registered in the project management system of three domestic construction companies and classified them according to the standards of the Enforcement Decree of the Apartment House Management Act. According to the analysis of the frequency of defects work type, 88.10% of defects occurred in home network equipment work. In addition, analysis of defects type in the four detailed works showed the highest number of operation error. The cause was analyzed and prevention measures and countermeasures were presented in parts of design, construction, and maintenance. The results of this study will improve the quality of apartment housing and be used as basic data for future research on practical defect minimization and prevention measures.

A study on the Effect of Relational Energy and Resilience on Individual Job Performance through Job Crafting (관계적에너지와 회복탄력성이 직무재창조를 통하여 개인직무성과에 미치는 영향 연구)

  • Nam, Eun Woo;Sun, Eun Jung;Seo, Young Wook
    • The Journal of the Korea Contents Association
    • /
    • v.22 no.2
    • /
    • pp.529-544
    • /
    • 2022
  • With the global pandemic in the era of the 4th industrial revolution, the business environment of companies was engulfed by rapid volatility and uncertainty. In particular, in order for an organization to have high competitiveness due to the spread of the flexible work system, relationship management with members of the organization and self-directed job crafting are recognized as important key resources. This study aims to investigate how relational energy and resilience within a corporate organization affect job crafting and to verify the effect of job crafting on individual job performance. For empirical research, 400 valid responses to employees of general companies were analyzed by SPSS 26.0 and Smart PLS 3.0. As a result of the analysis, first, it was confirmed that relational energy did not have a positive (+) effect on task crafting. Second, it was found that relational energy had a positive (+) effect on relational crafting and cognitive crafting, respectively. Third, it was found that resilience had a positive (+) effect on both task crafting, relationship crafting, and cognitive crafting that constitute job crafting. Fourth, it was found that job crafting had a positive (+) effect on individual job performance. Based on these research results, we intend to derive academic and practical implications and provide practical help to follow-up researchers and stakeholders.