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首先选择节点压力组成燃气管网泄漏工况特征向量,研究分析发现其在实际应用中具有一定的局限性,为此进一步提出了管网泄漏工况特征图形化的方法对其进行优化。利用Pipeline Studio建立了经过实验验证的计算机模拟管网,通过稳态模拟获取数据进而绘制燃气管网泄漏工况特征图像并进行对比分析,最终论证了燃气管网泄漏工况特征图形在基于模式识别的燃气管网泄漏检测定位中应用的可行性。
Firstly, the node pressure is selected to form the eigenvector of gas pipeline leakage. The research shows that it has some limitations in practical application. To solve this problem, the paper further proposes a graphical method to optimize the leakage characteristics of pipeline network. Pipeline Studio was used to establish an experimentally verified computer simulation of pipe network, obtain the data through steady state simulation and then draw the gas pipeline network leakage characteristics and comparative analysis, and finally demonstrated the gas pipe network leakage pattern graphics based on pattern recognition The feasibility of gas pipe network leak detection and positioning applications.