Zobrazeno 1 - 10
of 2 062
pro vyhledávání: '"MA Hongwei"'
Autor:
MA Hongwei, LI Lang, XUE Xusheng, WANG Chuanwei, WANG Saisai, ZHAO Yingjie, ZHOU Wenjian, ZHANG Heng
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 7, Pp 21-31 (2024)
The shield type temporary support robot is an important component of the intelligent excavation robot system for large section roadways that adapts to the coexistence of dirt and debris. Its main function is to provide a safe and reliable workspace f
Externí odkaz:
https://doaj.org/article/2bd28bd6a8c34ff0ba6a7786afc88d8a
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 2, Pp 116-123 (2024)
The adaptive cutting technology of the shearer is a key technology for achieving intelligent mining in fully mechanized working faces. In order to solve the problem of low automatic cutting precision of the shearer in complex coal seams, a prediction
Externí odkaz:
https://doaj.org/article/9e8cceb4b0ad49158a3333436f572583
Autor:
MA Hongwei, DUAN Youyou, XUE Xusheng, SUN Siya, ZHANG Ye, WANG Chuanwei, GUO Yifeng, CUI Wenda
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 6, Pp 57-67 (2023)
The advantages and disadvantages of five commonly used mining monorail cranes, namely explosion-proof diesel engine monorail crane, explosion-proof battery monorail crane, pneumatic monorail crane, rope traction monorail crane, and cable dragging mon
Externí odkaz:
https://doaj.org/article/26af681b6631445ca30d34d000868b1e
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 2, Pp 390-399 (2023)
The optical fiber inertial navigation of coal mine excavation equipment is easy to be disturbed by multi-source heterogeneous noise such as vibration and electromagnetism in the underground excavation face, which leads to the reduction of the accurac
Externí odkaz:
https://doaj.org/article/03dac43525fa4164918c6363bdc135c3
RESEARCH OF DETECTING DEFECTS IN POLYUREA ANTI-CORROSIVE PIPES BY USING ULTRASONIC GUIDED WAVES (MT)
Publikováno v:
Jixie qiangdu, Pp 296-304 (2023)
In recent years, as a new type of anti-corrosion material, polyurea coatings have been widely applied to the protection of internal and external walls for pipes. In order to overcome the shortage of traditional ultrasonic testing with low efficiency,
Externí odkaz:
https://doaj.org/article/4c8f8e77850d4c4e9e8d4293cc029866
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 1, Pp 427-436 (2023)
According to the intelligent green development strategy of coal mine in our country, the research status of intelligent coal gangue sorting system at home and abroad is deeply analyzed. It is pointed out that the development of multi-arm coal gangue
Externí odkaz:
https://doaj.org/article/878b2dca3de24130a6324c6c42e66287
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 12, Pp 16-25 (2022)
The problem of low detection accuracy of driving displacement exists in the driving process of anchor digging robots. In order to solve the above problem, taking the supporting bolt as the positioning benchmark, by analyzing the distance relationship
Externí odkaz:
https://doaj.org/article/448f99d6e01148708d763bb8b90e72aa
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 12, Pp 93-100 (2022)
Multi-rotor aircraft has a good application prospect in coal mine production inspection because of its advantages of simple structure, hovering and multi-directional flight. However, multi-rotor aircraft moves at a high speed, and the aircraft is eas
Externí odkaz:
https://doaj.org/article/aba623e0a6914c359cba6b73754c6608
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 12, Pp 33-41 (2022)
Machine vision has a certain theoretical basis in target detection and recognition for sorting robot of coal mine belt conveyor. But current target recognition of sorting robot of coal mine belt conveyor is mainly aimed at coal-gangue recognition. Th
Externí odkaz:
https://doaj.org/article/fc1ae2d6681e403492266d3ef8a0db12
Publikováno v:
Gong-kuang zidonghua, Vol 48, Iss 4, Pp 20-30 (2022)
When the robot is used to sort coal gangue, in order to solve the problems such as inaccurate positioning of gangue, failure of grasping by end of the manipulator and load impact caused by slippage and left-right swing of belt conveyor, a track plann
Externí odkaz:
https://doaj.org/article/9773d8e012da4d08b1f675435cde6166