Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Rock Classification Using a Vibration Signal in the Process of Rotary Drilling

Version 1 : Received: 28 June 2023 / Approved: 29 June 2023 / Online: 29 June 2023 (11:07:47 CEST)

How to cite: Stehlíková, B.; Bogdanovská, G.; Flegner, P.; Frančáková, R.; Drančák, L. Rock Classification Using a Vibration Signal in the Process of Rotary Drilling. Preprints 2023, 2023062097. https://doi.org/10.20944/preprints202306.2097.v1 Stehlíková, B.; Bogdanovská, G.; Flegner, P.; Frančáková, R.; Drančák, L. Rock Classification Using a Vibration Signal in the Process of Rotary Drilling. Preprints 2023, 2023062097. https://doi.org/10.20944/preprints202306.2097.v1

Abstract

The paper proposes a rock classification method using the vibration signal of the rotary drilling process. This proposed method classifies four rocks with a reliability of 100 %, from the vibration signal record of a lasting 1/4 second. For the design of a suitable classification method, several attributes of the vibration signal were calculated for two different signal recording lengths. Cluster dendrogram, ANOVA test, and boxplot were used to determine useful attributes and proper signal length. The classification rule was found using a decision tree, machine learning tool. The publication gradually describes the process of creating the classification method and the results of the reliability verification of the proposed classification method. Rock disintegration by rotary drilling was carried out under standardized experimental conditions. The disintegration rocks were andesite, granite, limestone, and concrete.

Keywords

rotary drilling, rock classification, vibration signal, cluster dendrogram, machine learning, the decision tree classifier

Subject

Engineering, Mining and Mineral Processing

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