Results 11 to 20 of about 127,098 (302)
Research status and prospect of shearer positioning technology on fully mechanized coal mining face
Gong-kuang zidonghua, 2017 On the basis of development status of shearer positioning technology on fully mechanized coal mining face at home and abroad, characteristics of conventional shearer positioning technology, shearer positioning technology based on strapdown inertial ...
XIA Ting, LI Wei, WANG Chao, LI Yuche
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Research of automatic control method of shearer in machinery-tracked automatio
Gong-kuang zidonghua, 2014 The paper gave structure of automatic control system of shearer. It introduced realization of automatic control of the shearer, that is to realize coal cutting process of the shearer in one sampling interval length through using full cutting depth ...
LI Jun, LIN Fuya
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‘What price widowhood?’ : The faded stardom of Norma Shearer [PDF]
, 2016 © The Editor(s) (if applicable) and The Author(s) 2016. This is a post-peer-review, pre-copyedit version of a chapter published in Lasting Screen Stars: Images that Fade and Personas that Endure.
Lanckman, Lies
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Design of networked remote control testing system for shearer
Gong-kuang zidonghua, 2014 Due to high cost and difficulty to research remote control system for shearer on actual working face, the paper proposed a design scheme of networked remote control testing system for shearer, researched internal control structure of shearer met testing ...
LIN Fuyan, LI Jun, HAN Yunlong
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Design of drive and control system of 4-quadrant converter for traction shearer
Gong-kuang zidonghua, 2016 The paper designed a new drive and control system of 4-quadrant converter for traction shearer according to index requirements of 4-quadrant converter of shearer, and introduced design of hardware circuit and software implementation of the system.
DENG Yonghong, CAO Haokun, ZHANG Quanzhu
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IEEE Access, 2021 The high-precision positioning of the shearer is the key technology to realize the automation of longwall mining. Since mine is a Global Position System (GPS)-denied environment, highly autonomous Inertial Navigation System (INS)/odometer integrated ...
Xiaowei Xu +5 more
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Australian local governments and the early national broadband network roll-out: an online survey [PDF]
, 2016 A recent decision by the Australian Federal Government to reassess the scale of the National Broadband Network (NBN) will leave the country with a patchwork of different levels of access to the infrastructure. This intensifies the need to investigate and
Alizadeh, Tooran, Shearer, Heather
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Applied Sciences, 2023 The shearer positioning method is of great significance to the automation of longwall mining. The research teams in the Longwall Automation Steering Committee (LASC) of Australia and China University of Mining and Technology (CUMT) have focused on ...
Weiwei Dai, Shijia Wang, Shibo Wang
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A Search for Temporal Variations in Station Terms in Southern California from 1984 to 2002 [PDF]
, 2008 We use relative arrival times and locations for similar earthquake pairs that are found using a cross-correlation method to analyze the time dependence of P and S station terms in southern California from 1984 to 2002.
Hauksson, Egill +2 more
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Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face
Gong-kuang zidonghua, 2020 Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing +3 more
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