Results 51 to 60 of about 2,862,029 (221)

Research on the roadheader cutting control system based on convolutional neural network and fuzzy PID

Gong-kuang zidonghua
In response to the insufficient adaptability and low system stability of cantilever roadheader when facing changes in coal and rock hardness during tunneling, a roadheader cutting control system based on convolutional neural networks (CNN) and fuzzy PID ...
LI Yingna, CUI Yanping, AN Boshuo, LIU Baijian, JIN Jianwei   +4 more
doaj   +1 more source

Minimizing airtime by optimizing tool path in computer numerical control machine tools with application of A* and genetic algorithms

Advances in Mechanical Engineering, 2017
Research on tool path planning has been limited to minimize airtime by optimizing tool travel path in one machining plane without obstacles. To address this limitation, a method for tool path optimization that exploits A* and genetic algorithms to find ...
Naveen Senniappan Karuppusamy, Bo-Yeong Kang   +1 more
doaj   +1 more source

Flexible right sized honing technology for fast engine finishing [PDF]

, 2013
The paper discusses a flexible honing technology by describing the new prototype machine with its specificity. Three original methods produced by the flexible honing prototype have been studied.
DUMUR, Didier, EL MANSORI, Mohamed, FRABOLOT, Marc, GOELDEL, Benoit, VOISIN, Julien   +4 more
core   +5 more sources

On the Machinability of an Al-63%SiC Metal Matrix Composite [PDF]

, 2020
This paper presents a preliminary study of aluminium matrix composite materials during machining, with a special focus on their behavior under conventional processes.
Batista Ponce, Moisés, Fernández Vidal, Severo Raúl, Mayuet Ares, Pedro Francisco, Repeto García, David, Salguero Gómez, Jorge   +4 more
core   +1 more source

A New Challenge: Path Planning for Autonomous Truck of Open-Pit Mines in The Last Transport Section

Applied Sciences, 2020
During the operation of open-pit mining, the loading position of a haulage truck often changes, bringing a new challenge concerning how to plan an optimal truck transportation path considering the terrain factors.
Ziyu Zhao, Lin Bi
doaj   +1 more source

Adaptive intelligent cutting technology of the shearer based on the high-precision three-dimensional dynamic geological model

矿业科学学报, 2023
If the shearer is cutting coal using the "memory cutting" technique, a manual demonstration is required.The memory cutting technology has higher requirements on the reserving conditions of coal seams.When the coal seam fluctuates greatly, frequent manual
Hou Yunbing, Zhang Hong, Mao Shanjun, Sun Zhenming, Li Mei, Chen Huazhou   +5 more
doaj   +1 more source

Simulation of Grinding Surface Creation – A Single Grit Approach [PDF]

, 2010
The paper presents an investigation of grinding material removal mechanism using finite element method. Understanding of grinding removal mechanism relies on the investigation of material removal by each individual grain.
Chen, Xun, Opoz, Tahsin Tecelli
core   +1 more source

A simulated investigation on the machining instability and dynamic surface generation [PDF]

, 2005
In this paper, the authors propose the generic concept of machining instability based on the analysis of all kinds of machining instable behaviors and their features.
Altintas, Altintas, Budak, Burns, Davies, Davies, K. Cheng, Marsh, Stepan, Tlusty, Wiercigroch, X.C. Luo, X.K. Luo, X.W. Liu   +13 more
core   +1 more source

Modelling and simulation of the dynamic cutting process and surface topography generation in nano/micro cutting [PDF]

, 2008
In nano/micro cutting process, the surface quality is heavily dependent on all the dynamic factors in machining including those from the material, tooling, cutting parameters, servo accuracy, mechanical structure deformation, and non-linear factors as ...
Cheng, K, Zhou, L
core  

A Mathematical Model and Error Analysis of Shearer Cutting Path Based on Its Attitude

Mathematical Problems in Engineering, 2018
The horizon control system is the key technology in the automation of a shearer. The achievement of accurate shearer cutting path plays an important role for horizon control.
Shibo Wang, Shijia Wang, Zhaoliang Ge
semanticscholar   +1 more source