Optimization of mine ventilation network feature graph

Jinzhang Jia, Bin Li, Dinglin Ke, Yumo Wu, Dan Zhao and Mingyu Wang

PLOS ONE, 2020, vol. 15, issue 11, 1-26

Abstract: A ventilation network feature graph can directly and quantitatively represent the features of a ventilation network. To ensure the stability of airflow in a mine and improve ventilation system analysis, we propose a new algorithm to draw ventilation network feature graphs. The independent path method serves as the algorithm’s main frame, and an improved adaptive genetic algorithm is embedded so that the graph may be drawn better. A mathematical model based on the node adjacency matrix method for unidirectional circuit discrimination is constructed as the drawing algorithm may not be valid in such cases. By modifying the edge-seeking strategy, the improved depth-first search algorithm can be used to determine all of the paths in the ventilation network with unidirectional circuits, and the equivalent transformation method of network topology relations is used to draw the ventilation network feature graph. Through the analysis of the topological relation of a ventilation network, a simplified mathematical model is constructed, and network simplification technology makes the drawing concise and hierarchical. The rapid and intuitive drawing of the ventilation network feature graphs is significant for optimization of the ventilation system and day-to-day management.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0242011

DOI: 10.1371/journal.pone.0242011

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