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한국산업융합학회 논문집 update

Journal of Korean Society of Industry Convergence

  • : 한국산업융합학회
  • : 공학분야  >  기타(공학)
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  • : 1226-833x
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수록정보
수록범위 : 1권1호(1998)~23권3호(2020) |수록논문 수 : 882
한국산업융합학회 논문집
23권3호(2020년 06월) 수록논문
최근 권호 논문
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KCI등재

1PC와 ABS 플라스틱재료의 반복적인 충격하중에 의한 기계적 특성 평가

저자 : 이진경 ( Jin-kyung Lee )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 375-380 (6 pages)

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In this study, we tried to evaluate the mechanical properties of Polycarbonate(PC) and acrylonitrile-butadiene-styrene(ABS) plastic materials, which are frequently used as parts of home appliances and machinery, when repeated impacts were applied. A repeating impact tester for this research was designed and manufactured to apply repetitive impacts. Two types of plastic were repeatedly impacted under a constant load, and a tensile test was performed on the plastic material that was impacted. The tensile strength of PC plastic materials that received impact more than 2000 times was reduced by about 45 % and elongation was reduced by about 10 % when compared to impact free specimens. On the other hand, in ABS plastic, a reduction of tensile strength of about 20 % was observed at about 2,000 impacted specimen, but at about 20,000 repetitive impacted specimen, a tensile strength decrease of about 65 % was observed. And the elongation was reduced by 10 % due to the cyclic harding behavior of the material.

KCI등재

2차량용 스타트모터를 활용한 재제조 세척방법 평가

저자 : 박상진 ( Sang Jin Park ) , 손우현 ( Woo Hyun Son ) , 전창수 ( Chang Su Jeon ) , 목학수 ( Hak Soo Mok )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 381-392 (12 pages)

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The necessity and the importance of the remanufacturing are increasing day by day along with environmental problems. Many studies are being conducted on remanufacturing, but the research for cleaning is much lacking. This study aims to evaluate the effective cleaning method for remanufacturing of start motors, one of the automobile parts. The cleaning process consists of oil stain removal, drying and rust removal processes. In this study, the two processes were conducted except for the drying process which has little influence on cleaning. The methodology for cleaning agent selection, degreasing and rust removal process was presented. For each methodology, five analysis factors were calculated by two-way comparison according to the process, and the values were evaluated quantitatively by substituting them into the evaluation table. In the selection of cleaning agent, neutral system, ultrasonic cleaning in degreasing, and grinding in rust removal were selected as the best cleaning methods.

KCI등재

3항만 옥외저장소 위험물의 안전관리 개선 방안

저자 : 이봉우 ( Bong-woo Lee ) , 신세철 ( Se-cheol Shin ) , 박경진 ( Kyung-jin Park ) , 최나영환 ( Yeong-hwan Choina )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 393-401 (9 pages)

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According to the research and investigations performed on Port Facilities for cargo-works of hazardous materials around the Port of Busan, a conclusion was drawn that the manually operating foam tower monitors are ineffective as they are hard to access due to the radiant heat under contingency circumstances such as a fire. Moreover, in some cases, the effective range of Foam Tower Monitors are insufficient to reach docked ships and manifolds where hazardous materials are being unloaded. In addition, Dangerous Goods freights are inadequately and inefficiently stored regardless properties of hazardous substances due to complicated local regulations, and some are equipped with inapplicable facilities for docked ships. Therefore, in order to effectively counteract the contingencies and obtain safety, it would be recommended to install adequate facilities.

KCI등재

4노후된 공작기계의 재제조에 관한 연구

저자 : 노영화 ( Young-hwa Roh )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 403-410 (8 pages)

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Continuous industrial development has led to a better quality of life for everyone, even further accelerating industrial growth. Industrial development, however, has also caused environmental degradation, which is posing a serious threat to humanity. It has also encouraged the indiscriminate use of limited resources, causing resource depletion. Efficient resource management based on resource circulation is critical to saving resources. Resource circulation methods are as follows: reducing the use of resources in the manufacturing process, recycling used or reprocessed products and reusing used resources without being reprocessed, remanufacturing with end-of-life products with disassembled parts. Furthermore, remanufacturing process including cleaning, inspection, repairing, and reassembling facilitate performance level as well as new typical products. It is noteworthy that the remanufacturing of machine tools can significantly save resources because their structural parts are substantially large in size. Machine tools have served as a foundation for the manufacturing industry, which has driven Korea's industrial development. Nevertheless, a few research has been reported for remanufacturing technology with used machine tools. Relevant research of developing a remanufacturing process chart and method is prerequisite for saving the resource and environments.

KCI등재

5지진가속도 계측 및 지진관측소 구축 타당성 연구

저자 : 한상목 ( Sang-mok Han ) , 우남섭 ( Nam-sub Woo ) , 하지호 ( Ji-ho Ha ) , 김태우 ( Tea Woo Kim ) , 이왕도 ( Wang-do Lee ) , 김기석 ( Ki-seog Kim ) , 양재열 ( Jae-yeol Yang ) , 김영주 ( Young-ju Kim )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 411-417 (7 pages)

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Therefore, it was agreed that an earthquake monitoring station should be set up within the site of Handong University by analyzing drilling data and Disaster such as earthquakes is urgently needed to prepare for earthquakes in that people's lives and national development depend on the nation's ability to manage disasters. Many experts say that the Korean Peninsula is also under the influence of earthquakes and is not a safe zone for earthquakes. A seismological observatory will be established in Pohang to monitor ground sensors and study seismic characteristics through the task of “Development of Smart Sensor-based Intelligent Information Platform in Earthquake Region.” Therefore, it was agreed to set up a seismological observatory within the site of Handong University by analyzing drilling data and conducting on-site surveys in northern Pohang, which were heavily damaged by liquefaction and earthquakes. In this study, it was decided to make a comprehensive judgment by considering the geological characteristics of the site, whether it can perform functions, and the convenience of construction and maintenance for the final site of the seismological observatory discussed with Handong University. After completing a feasibility review on selecting a site for Handong University, we will establish a seismological observatory and actively utilize it for seismic research using data from alarm issuance and seismic data in the event of a future earthquake.

KCI등재

6IoT 기반 임업용 안전모 개발에 관한 연구

저자 : 남기훈 ( Ki-hun Nam ) , 박정규 ( Jung-kyu Park )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 419-425 (7 pages)

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There are many accident risks in logging operation of forestry such as struck by felled trees and caught in, under, or between felled trees. These accidents are primarily occurred by not keeping a safe distance between workers. According to the forestry safety instruction, workers are not supposed to go into the safety zone which is a circle with a radius of more 2 times the height of felling tree. However, this rule does not keep because of poor safety consciousness, poor sight and extreme noise of logging operation machines. This problem causes many major accidents every year. To solve this problem, we made forestry safety helmets based on IoT technology. These helmets have functions to make a visual and an acoustic alarm signal when reach the distance between workers within 20 meters. We developed the algorithm to operate the helmet's functions and conducted tests to check the functions. As a result of tests, we assured the normal system operating conditions.

KCI등재

7IT 모듈에서의 열전달 해석과 방열 특성 연구

저자 : 김원종 ( Won-jong Kim )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 427-431 (5 pages)

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In this Study, as the structure of IT module for smart phone display becomes thin to catch up with slim product trend, the reliability of display module is on the rise as a issue for product design. Especially, almost part of cellular phone should undergo thermal dissipation test. thus many manufacturers have considered design guide line using CAE and simulation for more effective usage of limited resources on the market. This test simulates the case when cellular phone slips through user's fingers while he is talking on the phone.
This paper studies a thermal simulation of display module in smart phone. This design for reliability improvements are suggested on the basis of the results of FVM Analysis and display of IT module and smart phone design.

KCI등재

8UWB 레이더를 사용한 수면무호흡환자에 대한 비접촉방식 수면효율 및 수면 단계 추정

저자 : 박상배 ( Sang-bae Park ) , 김정하 ( Jung-ha Kim )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 433-444 (12 pages)

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This study proposes a method to improve the sleep stage and efficiency estimation of sleep apnea patients using a UWB (Ultra-Wideband) radar. Motion and respiration extracted from the radar signal were used. Respiratory signal disturbances by motion artifacts and irregular respiration patterns of sleep apnea patients are compensated for in the preprocessing stage. Preprocessing calculates the standard deviation of the respiration signal for a shift window of 15 seconds to estimate thresholds for compensation and applies it to the breathing signal. The method for estimating the sleep stage is based on the difference in amplitude of two kinds of smoothed respirations signals. In smoothing, the window size is set to 10 seconds and 34 seconds, respectively. The estimated feature was processed by the k-nearest neighbor classifier and the feature filtering model to discriminate between the sleep periods of the rapid eye movement (REM) and non-rapid eye movement (NREM). The feature filtering model reflects the characteristics of the REM sleep that occur continuously and the characteristics that mainly occur in the latter part of this stage. The sleep efficiency is estimated by using the sleep onset time and motion events. Sleep onset time uses estimated features from the gradient changes of the breathing signal. A motion event was applied based on the estimated energy change in the UWB signal. Sleep efficiency and sleep stage accuracy were assessed with polysomnography. The average sleep efficiency and sleep stage accuracy were estimated respectively to be about 96.3% and 88.8% in 18 sleep apnea subjects.

KCI등재

9궤도차량 엔진용 공기정화기 검증에 관한 연구

저자 : 이일랑 ( Il-lang Yi ) , 김상부 ( Sang-boo Kim )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 445-452 (8 pages)

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The air cleaning unit of K00 IFV(or Infantry Fighting Vehicle) has important roles to make sure the engine of the vehicle works precisely as filtering foreign substances in the air such as dust and sands. The entire components including scavenge fan which is one of the important inner part of the air cleaning unit are developed so that we can produce it domestically and don't need to import it from P** Co., the original maker in United Kingdom. This paper introduces a few verification processes including cleaning efficiency and reliability. As this core unit has developed successfully the improvement of military strength and logistics support can be expected. And design capability, manufacturing skills, maintenance ability of tracked weapon system will be increased thanks to the accumulated technical knowledge obtained from this developing project. Foreign currency savings and reducing operational cost can be expected as well in military industry.

KCI등재

10특허정보 기반의 기술 모니터링을 통한 첨단 정보통신기술 기반 융합 신기술 탐색 연구

저자 : 진병삼 ( Byoungsam Jin ) , 배영철 ( Youngchul Bae )

발행기관 : 한국산업융합학회 간행물 : 한국산업융합학회 논문집 23권 3호 발행 연도 : 2020 페이지 : pp. 453-461 (9 pages)

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In this study, we conducted technology monitoring to search for the current technology level and new technologies targeting the core technologies selected as “convergence technologies based on advanced ICT”. This technology group, selected by the National Research Foundation(NRF) as one of the future-emerging technologies in 2018, consists of 'next-generation millimeter wave wireless communication technology', 'data-centric computing technology', and 'immersive media interface' that can be seen as important technologies in the fourth industrial revolution. It is possible to provide strategic research direction to the R&D-related stakeholders of countries or enterprises by providing information on newly emerged technologies through quantitative analysis based on patent data on these technologies. Therefore, in this study, we proposed a new technology for the convergence technologies based on advaned ICT group through patent data based on the newly emerged IPC code, and also suggested that it can suggest a strategic direction in planning R&D on related technologies.

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1연안해역에서 석유오염물질의 세균학적 분해에 관한 연구

(2006)홍길동 외 1명심리학41회 피인용

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