In this paper a computer program UMMS based on the AHP and the Yager s method for underground mining method selection was developed The UMMS provides two different AHP models so that the decision makers can analyze the selection problem based on either only main criteria or main criteria with their sub criteria
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Get PriceThe most crucial event in a mining project is the selection of an appropriate mining method MMS Consequently determining the optimal choice is critical because it impacts most of the other key decisions This study provides a concise overview of the development of multiple selection methods using a cascade forward backpropagation neural network CFBPNN Numerous methods of multicriteria
Get PriceTable 1 Basic types of mining equipment and associated PWS selection criteria Vehicle type PWS selection criteria; Continuous miner Must be an active system; work in close proximity to other objects; alarm only when a person is in danger; be MSHA approved; be accurate over short distances; operate through coal rock dust water sprays and steel; work in high electrical noise environments
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Get Pricebelt and pneumatic conveying design; excavator stacker and reclaimer surface miners design selection and application; modelling and commissioning of motor drives for belt conveyors; testing and examination of the causes of equipment damages ; high pressure grinding roll technology; equipment related injuries; reliability and maintainability of …
Get Pricedata mining methods have different possibilities of suitable approach of a large number of independent variables thus this can be an appropriate way of selecting the right method; d multiple target fields dependent variables when the prediction of different ways out is needed based on the same data entrance; e records of length variable …
Get PriceAs continuous mining systems are less flexible the mine design must be tailored to the requirements of the system This means that an appropriate and proven methodology for truck and shovel mining is inappropriate for continuous mining systems As optimal equipment selection is essential for efficient mining we have developed an
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Get PriceFirst we should determine an evaluation index system of mining technology system which is constituted with 8 indexes of grade one 20 indexes of grade two 69 indexes of grade three Second we quantified the indexes of grade three according to the applicable conditions of various mining technology and concluded a quantification evaluation system
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Get PriceThere are five basic types of surface mining including open pit mining strip mining dredging mountaintop removal and high wall mining All of these methods remove the waste material or the overburden which is above the desired resource Often surface mining is preferred over underground mining or subsurface mining for numerous reasons
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Get PriceThese are explained in brief below 1 Schema Integration Integrate metadata from different sources The real world entities from multiple sources are referred to as the entity identification problem 2 Redundancy An attribute may be redundant if it can be derived or obtained from another attribute or set of attributes
Get PriceDuring automatic and intelligent cutting at the coal mining face complex geological conditions fold structure fault structure and magmatic intrusion easily cause distinct occurrence conditions of coal rock seams gangue inclusion or fault in the coal and rock which induces different coal rock cutting performances of shearer picks Therefore the objective of the present study is to
Get PriceIn the mining system model a miner can choose to join a pool and adapt the selection for improving the expected reward And we formulate the dynamic pool selection problem as an evolutionary game We consider the required hash rate network delay and reward sharing strategy as the main factors which affect the choice of miners
Get PriceThe first step in making mining machines safer is to define and analyze the hazards Risk assessments can be used to establish priorities so that the most dangerous situations are addressed first and those least likely to cause major problems can be considered later [Brnich and Mallett 2024]
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Get PriceAbstract The FCM fuzzy mean algorithm has been extended and modified in many ways in order to solve the image segmentation problem However almost all the extensions require the adjustment of at least one parameter that depends on the image itself To overcome this problem and provide a robust fuzzy clustering algorithm that is fully free of the empirical parameters and noise type
Get PriceDescription For a blockchain transaction to be recognized it must be appended to the blockchain In the proof of stake blockchain the appending entities are named minters or validators in the proof of work blockchains this task is carried out by the miners ; in most protocols the validators receive a reward for doing so For the blockchain to remain secure it must have a mechanism to
Get PriceFeature selection is one of the frequently used and most important techniques in data preprocessing for data mining [1] The goal of feature selection for classification task is to maximize classification accuracy [2] Feature selection is the process of removing redundant or irrelevant features from the original data set
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Get PriceModels for Mining Equipment Selection 1Burt C 1Caccetta L 1Hill S and 2Welgama P 1• Expert System Mining Industry Construction Industry Equipment Selection 1731 The Equipment Selection problem work has focused on achieving optimal or near optimal solutions and relies on computer generated solutions
Get PriceThe application of fuzzy analytic hierarchy process FAHP Mining Engineering Underground mining method selection is one of the most crucial decisions that should be made by mining engineers Choosing a suitable underground mining method to carry out extraction from a mineral deposit is very important in terms of the economics safety and the productivity of mining Selection design and
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