Research on Autonomous Cutting Method of Cantilever Roadheader

Ziyue Xu, Minfu Liang, Xinqiu Fang (), Gang Wu, Ningning Chen and Yang Song
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Ziyue Xu: School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Minfu Liang: School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Xinqiu Fang: School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Gang Wu: School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Ningning Chen: School of Mines, China University of Mining and Technology, Xuzhou 221116, China
Yang Song: School of Mines, China University of Mining and Technology, Xuzhou 221116, China

Energies, 2022, vol. 15, issue 17, 1-14

Abstract: Roadway excavation is the leading project in coal mining, and the cantilever roadheader is the main equipment in roadway excavation. Autonomous cutting by cantilever roadheaders is the key to realize safe, efficient and intelligent tunneling for underground roadways. In this paper, the working device of a cantilever roadheader was simplified into a series of translation or rotation joints, and the spatial pose model and spatial pose coordinate system of the roadheader were established. Using the homogeneous transformation matrix and the robot-related theory, the space pose transformation matrix of the roadheader and the space pose equation of the cutting head of the roadheader were derived. The forward kinematics and inverse kinematics of the cutting head were solved by using the D-H parameter method and an inverse transformation method. The location coordinates of the inflection point of the cutting process path for a rectangular roadway were determined, and cutting path planning and control were carried out based on the inflection point coordinates. Finally, MATLAB software was used to simulate the limit cutting area of the cutting head and the cutting process path. The simulation results showed that the limit cutting section had a bulging waist shape, the boundary around the roadway was flat, and the roadway cutting error was controlled within 1mm, which verified the reliability and effectiveness of the autonomous cutting theory of the roadheader. It lays a mathematical model and theoretical foundation for the realization of “autonomous operation of unmanned tunneling equipment”.

Keywords: cantilever roadheader; automatic cutting; spatial pose matrix; cutting path planning; MATLAB simulation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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