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Research Paper

Performance Analysis of Smart Automatic Jack-Up System Using the Pairwise Comparison Matrix Analysis Method

쌍대비교행렬 분석 기법을 적용한 스마트 자동 인상 시스템의 성능 분석

Sung-Jo Kim1
,
Yongsoo Ji2
,
Bongsik Kim3
,
Tong-Seok Han4*
김 성조1
,
지 용수2
,
김 봉식3
,
한 동석4*
1Graduate Student, Department of Civil and Environmental Engineering, Yonsei University, Seoul, 03722, Korea
2Chief Executive Officer, Pentad Inc., Bucheon, 14424, Korea
3Research Director, Pentad Inc., Bucheon, 14424, Korea
4Professor, Department of Civil and Environmental Engineering, Yonsei University, Seoul, 03722, Korea
1연세대학교 건설환경공학과 박사과정
2(주)펜타드 대표이사
3(주)펜타드 연구소장
4연세대학교 건설환경공학과 교수
*Corresponding Author
28 February 2022. pp. 9-14
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Abstract

In this study, a smart jack-up system was developed to prevent safety accidents by performing risk analysis when a structure is lifted for maintenance. A quantitative risk analysis program that can analyze the risk using the pairwise comparison matrix analysis method was developed. The risk was analyzed in real-time for the lifting structure by connecting the program with an automatic jack-up system. Displacements were measured by the IR sensor among the components of the automatic jack-up system, and the displacements were provided to the quantitative risk analysis program. To confirm the performance of the smart automatic jack-up system, experiments were conducted on bridge and risk analysis was performed when a superstructure was lifted. A linear variable differential transformer (LVDT) was also installed on the bridge to verify the performance of the smart automatic jack-up system. The maximum displacements were measured using the devices, and the declinations were compared. The performance of the simultaneous operation of the jack-up device was verified by the analysis of variance (ANOVA).

Keywords
smart automatic jack-up system
IR-sensor
pairwise comparison matrix
quantitative risk assessment
ANOVA

본 논문에서는 유지보수를 위한 구조물 인상 시 위험도 분석을 수행하여 안전사고를 방지할 수 있는 스마트 자동 인상 시스템을 개발하였다. 쌍대비교행렬 분석 기법을 활용하여 위험도를 분석할 수 있는 정량적 위험도 분석 프로그램을 개발하였고, 이를 자동 인상 시스템과 연계하여 구조물 인상과 동시에 실시간으로 위험도 분석을 하였다. 자동 인상 시스템의 구성요소 중 거리측정센서로 구조물 인상 시의 변위를 측정하고, 측정된 변위는 정량적 위험도 분석 프로그램에 입력되어 위험도를 분석한다. 개발한 스마트 자동 인상 시스템의 성능을 확인하기 위해 실제 교량을 대상으로 실험을 수행하였으며, 구조물 인상과 동시에 위험도 분석이 가능한지를 확인하였다. 스마트 자동 인상 시스템의 성능을 평가하기 위해 인상실험 시 검증된 LVDT(linear variable differential transformer)를 함께 설치하였으며 거리측정센서와 LVDT로 측정되는 변위로 최대 인상량과 구역별 단차를 분석하였다. 인상장치의 동시 작동에 대한 성능을 통계적 분석방법인 분산분석(analysis of variance) 방법을 이용하여 성능을 검증하였다.

키워드
스마트 자동 인상 시스템
거리측정센서
쌍대비교행렬
정량적 위험도 분석
분산분석
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Information
  • Publisher :Computational Structural Engineering Institute of Korea
  • Publisher(Ko) :한국전산구조공학회
  • Journal Title :Journal of the Computational Structural Engineering Institute of Korea
  • Journal Title(Ko) :한국전산구조공학회 논문집
  • Volume : 35
  • No :1
  • Pages :9-14
  • Received Date : 2021-10-28
  • Revised Date : 2021-11-25
  • Accepted Date : 2021-11-29
  • DOI :https://doi.org/10.7734/COSEIK.2022.35.1.9
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