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1. 发明专利

AU2021106298A4 Method for monitoring and evaluating pipeline leakage of LNG terminal wharf 未知
公开(公告)号：AU2021106298A4
公开(公告)日：2021-11-04
申请号：AU2021106298
申请日：2021-08-21
申请人： UNIV GUILIN ELECTRONIC TECH , WANG JIE
发明人： WANG JIE , CUI YIWEN , MING ZHICHAO , ZHOU RUPENG , WANG LONG , ZHANG CHAOLI , YUAN TONGXI
IPC分类号： G06N5/00 , F17D5/00 , F17D5/02 , G06F17/10
摘要： The invention discloses a method for monitoring and evaluating pipeline leakage of an LNG (Liquefied Natural Gas) receiving station wharf, which comprises the following steps: quantitatively detecting the flow of liquefied natural gas in the pipeline and the pressure of liquefied natural gas on the pipeline by a wireless sensor network node; An expert system for determine an initial confidence rule base according to expert experience or domain knowledge; Establish a confidence rule base expert system with activation rate and optimize the initial confidence rule base expert system; Through the optimized expert system of confidence rule base, the pipeline leakage of LNG terminal is evaluated, and the evaluation report is obtained. The method has the advantages that the concept of activation rate is used, and the rules which are never activated or are not activated enough can be trimmed in the optimization process. Even if there is a complete data set and all the rules are activated, the activation rate can be used in the parallel optimization process of BRB expert system, and effectively solve the problem of BRB combination explosion. It can make full use of quantitative data and improve the reliability of results without destroying the original explanation provided by experts. Collect pipeline flow and pressure data Establish BRB expert system BRB Expert System with Activation Ratej Evaluation result Figure 1

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