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JOURNAL OF THE KOREAN INSTITUTE OF PLANT ENGINEERING

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수록정보
수록범위 : 1권1호(1996)~26권2호(2021) |수록논문 수 : 1,088
대한설비관리학회지
26권2호(2021년 06월) 수록논문
최근 권호 논문
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KCI등재

1설비오류진단에서 가중 증거 척도를 이용한 다중센서 데이터 융합

저자 : 최성운 ( Sungwoon Choi )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 5-19 (15 pages)

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This study proposes a multisensor fusion method to accurately detect the evidence of fault target when machine fault evidences are highly conflicting and when the machine fault evidences between sensors have no similarities.
This fusion method uses a combined weight which is composed of evidence entropy and belief distance. In this study, improved evidence entropy (IEE) system independently and broadly measures uncertain information of rarely occurring fault evidence. IEE measure includes four major factors including the mass function, the numbers of all fault targets, focal elements and intersection between focal elements. Among these four factors, the redundant intersection part of all fault targets was removed to reflect more uncertain information volume and quality. Based on the degree of conflict, Euclidean distance and cross entropy, belief distance measure optimizes consistency and similarity between sensor evidences.
Combined weight is adjusted with the fault target evidences and fused by orthogonal combination rule. Numerical cases in machine fault diagnosis are demonstrated to describe the practicality and accuracy of the proposed multisensor data fusion rule.

KCI등재

2극소불량률 관리를 위한 Zp-EWMA 관리도 설계

저자 : 김진국 ( Jin-kuk Kim ) , 김창수 ( Chang-soo Kim )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 21-30 (10 pages)

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The conventional Shewhart control chart techniques have found wide application in the manufacturing industries. However that chart is less sensitive to a very small shift and fraction nonconforming. Kim & Um(2012) first introduced the ZP control scheme for controlling a very small fraction nonconforming at the ppm level. The purpose of this paper is studying the exponentially weighted moving average(EWMA) control chart for detecting small shifts relatively and design the ZP - EWMA control charts combined with ZP. In addition, to obtain sensitivity to the initial phase of the process, the FIR ZP - EWMA control charts is analyzed to confirm the performance as actual case.

KCI등재

3SUV 자동차 내부에서 마이크로폰 위치 선정에 관한 연구

저자 : 김효수 ( Hyosoo Kim ) , 강성진 ( Kang Sungjin ) , 최종태 ( Choi Jongtae ) , 황인극 ( Inkeuk Hwang ) , 이용건 ( Lee Yong Keon )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 31-39 (9 pages)

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In recent years, vehicles are changing from means of transportation to means of providing various conveniences by reflecting the needs of consumers. In response to these changes, vehicle digital technology is developing, and the installation of mobile and multi-devices in vehicles is also increasing significantly. However, the more various digital technologies in the vehicle are reflected, the more handling mobile and multi-devices while driving, which may increase the risk of traffic accidents due to distraction and carelessness.
This thesis investigates the installation position of the microphone in different types of vehicles, and presents the optimal installation position of the microphone in the vehicle, which is recognized the driver's speech when the driver makes a sound while seated in the driver's seat.

KCI등재

4휴먼에러 저감을 위한 도시철도 운전실 레이아웃 표준화 연구

저자 : 갈원모 ( Won-mo Gal ) , 염병수 ( Byeoung-soo Yum )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 41-47 (7 pages)

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Currently, locomotive cabs' layout differ depending on the type of train vehicles. In order to reduce human error of drivers, systematic research including analysis of the working conditions of urban railroads in Korea and standardization measures are needed accordingly. Through the survey of 247 drivers working Seoul Metro Lines 1, 2, 3 and 4 and interview with related experts, we will identify areas of vulnerability in the driver human error. Many drivers felt uncomfortable with the distinction between the handling buttons, the distance between switches, the movement and function, and the arrangement by operation frequency, It was also able to identify difficulties in identifying the display and operation by color and symbol when handling the control device, as the viewing range and physical conditions differed.

KCI등재

5전두엽의 알파파 활성패턴과 실내온도가 생산성에 미치는 영향

저자 : 김명호 ( Myung Ho Kim )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 49-56 (8 pages)

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In this study, concentration were measured in the air conditioned room by subjects of two type: A and B. The state of air conditioned room was in relative humidity 50[RH%] and intensity of illumination 1000[lux] with arranging up variable temperatures from 19[℃] to 30[℃] at intervals of 3[℃].
At the result, 25[℃] for A type and 22[℃] for B type, relative Mα wave, relative Mβ wave, SEF50 and SDNN were invigorated and both sides α wave asymmetry quotient, HRT, stress quotient and fatigability were declined. It was found that A type was sharper than B type about temperature, and also they have different preferences for productivity and concentration about temperature.

KCI등재

6포스트 코로나 시대 온라인 플랫폼 프로젝트중심학습을 활용한 전문직 간 교육 프로그램 개발 : 보건계열 대학생을 중심으로

저자 : 주현정 ( Hyun-jung Ju ) , 윤보영 ( Bo-young Yoon ) , 천부순 ( Pu-soon Chun ) , 김상희 ( Sang-hee Kim )

발행기관 : 대한설비관리학회 간행물 : 대한설비관리학회지 26권 2호 발행 연도 : 2021 페이지 : pp. 57-64 (8 pages)

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Online learning has been provided to students in universities due to the spread of COVID-19. Online collaborative learning can support interaction between learners and develop problem-solving and self-directed learning abilities. Interprofessional education (IPE) develops healthcare students as future interprofessional team members by learning together about each others' roles and practicing collaboration and teamwork, which can provide quality patient care. The purpose of this study is to develop an IPE program utilizing online platform project-based learning. In the IPE program, participants are faculty members and students from three departments―medicine, nursing, and pharmacy. At the phase of design, we defined three core competencies―communication, collaboration, and professionalism―and course objectives, organized student groups and matched the groups with faculty members using a team-teaching model, and selected online platform project-based learning as instructional methods. At the phase of development, we developed learning processes and content for a fifteen-week-long course, including six steps: preparing, selecting, planning, executing, creating, and presenting, and evaluating. We also developed a guide for instructors and strategies for students' team projects. For instructors to play a role facilitators in an online learning environment, faculty development systems and resources will be needed. Future studies will need to conduct program evaluations to investigate the effectiveness of the IPE program.

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