A LESO Based Backstepping Controller Considering Coal Seam Hardness for Rotary Speed in Coal Mine Tunnel Drilling Process

CHEN Luefeng, LIU Xiao, WU Min, LU Chengda, PEDRYCZ Witold, HIROTA Kaoru

Journal of Systems Science & Complexity . 2024, (5): 1789 -1808 . DOI: 10.1007/s11424-024-3256-3