Zobrazeno 1 - 10
of 168
pro vyhledávání: '"Drilling robot"'
Autor:
Zhongbin WANG, Lei SI, Jinheng GU, Dong WEI, Jianbo DAI, Dezhong XIN, Xiufeng ZHANG, Hang CHEN, Fei XING
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 9, Pp 220-237 (2024)
Drilling robot for rockburst prevention is a necessary equipment for achieving unmanned pressure relief in coal mines with high in-situ stress. Developing a reliable drilling trajectory measurement system while drilling is an important measure to ens
Externí odkaz:
https://doaj.org/article/ec194543868a46c790f16b5f93e478fb
Publikováno v:
Meikuang Anquan, Vol 55, Iss 6, Pp 223-227 (2024)
Aiming at the problems of movement space and layout of coal mine drilling robot host, pole arm and pole bin, the kinematic model of the mine drilling robot is established by analyzing the structural principle of the mine drilling robot, and the pose
Externí odkaz:
https://doaj.org/article/d4f70ffef1084a6a8cfa699be8c3425c
Publikováno v:
Meitan xuebao, Vol 49, Iss 4, Pp 2179-2194 (2024)
The drilling robot for rock-burst prevention is the key equipment for pressure relief in rock-burst mines, and its accurate map construction and stable navigation under complex working conditions are the basis and premise for realizing intelligent dr
Externí odkaz:
https://doaj.org/article/862ecb5bffca41de89a36217ed80c909
Autor:
Zhongbin WANG, Lei SI, Dong WEI, Jianbo DAI, Jinheng GU, Xiaoyu ZOU, Cong ZHANG, Haifeng YAN, Chao TAN
Publikováno v:
Meitan xuebao, Vol 49, Iss 2, Pp 1240-1258 (2024)
For the technical problem of low intelligence in the process of drilling and pressure relief in high stress mines, the research status of pressure relief technology and equipment at home and abroad is summarized and analyzed in this study. It is poin
Externí odkaz:
https://doaj.org/article/0772218f964146709f69d660d77a825e
Publikováno v:
Mathematics, Vol 12, Iss 13, p 2059 (2024)
Rock bolting is a commonly used method for stabilizing the surrounding rock in coal-mine roadways. It involves installing rock bolts after drilling, which penetrate unstable rock layers, binding loose rocks together, enhancing the stability of the su
Externí odkaz:
https://doaj.org/article/d5faec3decd043e1a050f6c0c0f01403
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 6, Pp 182-188 (2023)
Due to the complex geological and mechanical environment of coal-bearing strata, the feed resistance of the drilling rig feed system and the load torque of the rotary system are complex and diverse. The existing technology only controls the actuator
Externí odkaz:
https://doaj.org/article/d12c44661ce64a84b1358be8a6dba089
Publikováno v:
Machines, Vol 12, Iss 5, p 298 (2024)
A walking trajectory tracking control approach for a walking electrohydraulic control system is developed to reduce the walking trajectory tracking deviation and enhance robustness. The model uncertainties are estimated by a designed state observer.
Externí odkaz:
https://doaj.org/article/7d64ea33fa3345baa00fc1689d0a9e66
Publikováno v:
Sensors, Vol 24, Iss 8, p 2404 (2024)
This study develops an adaptive sliding mode control approach for a drilling tool attitude adjustment system, aiming at solving the problems of model uncertainties and insufficient ability of disturbance suppression during the regulation behavior. To
Externí odkaz:
https://doaj.org/article/59f0228ed1214d53adc994036b079a09
Publikováno v:
Sensors, Vol 23, Iss 17, p 7530 (2023)
In the pursuit of automating the entire underground drilling process in coal mines, the automatic rod feeding technology of drilling robots plays a crucial role. However, the current lack of positional accuracy in automatic rod feeding leads to frequ
Externí odkaz:
https://doaj.org/article/fe9a63b816d7428abb6b4f1c6d46c012
Publikováno v:
Meikuang Anquan, Vol 53, Iss 1, Pp 121-127 (2022)
In order to realize the coal mine drilling hole sealing automation, according to the “13th Five-Year” key research and development project “gas control drilling and hole sealing robot” requirements, we put forward the integral multi-channel a
Externí odkaz:
https://doaj.org/article/9bb2a794b9ec432a89d753ee23493c37