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배관계 파손 감지 센서 네트워크 설계를 위한 확률론적 시뮬레이션 모델
김정언(Chungeon Kim),오현석(Hyunseok Oh),정병창(Byungchang Jung),신윤호(Yun-ho Shin) 대한기계학회 2018 대한기계학회 춘추학술대회 Vol.2018 No.12
With the emphasis on safety and reliability for key infrastructure structures such as power and petrochemical plants, structural health monitoring received significant attentions from the academia and industry. In this paper, a simulation model for optimal sensor network design is proposed to detect the fracture of the pipeline systems. A water distribution system simulation model, EPANET, is incorporated to compute the pressure at individual nodes in pipeline systems. However, a deterministic approach for the sensor network design is limited due to uncertainties and inherent randomness of real-world systems. Thus, a probabilistic approach is used to calculate the response of simulation models in this study. A parametric study is conducted to evaluate the effect of uncertain input parameters on the simulation responses. Finally, the optimal sensor network is designed using the proposed simulation model and the mixed-integer nonlinear programming. To evaluate the performance of the proposed simulation model, a case study of a pipeline system testbed is presented.