286 results about "Deep mining" patented technology

A big data real-time storage, processing and querying system includes a distributed support module, a data acquisition module, a message-oriented middleware module, a data cleaning module, a data processing module, a data deep mining module, a data management module, a data querying module, and a system scheduling module; all the modules run under the coordination of the system scheduling module, and scheduling and circulation of data flows among all the modules can be achieved Processing flows among all the modules can be coordinated, and the date real-time performance is improved; effective improvement is performed for high throughput, mass data, fast response messages and data high availability; and then the comprehensive ability of a big data real-time data service system can be improved.

The invention discloses a recommendation system click rate prediction method based on a deep neural network, and the method comprises the steps: collecting a user click behavior as a sample, extracting numerical features of the sample with a numerical value relation, and inputting the numerical features into a GBDT tree model for training, and obtaining a GBDT leaf node matrix E1; inputting a behavior sequence formed by clicking the articles by all the users in the sample into an Attention network to obtain an interest intensity matrix E2 of all the users in the sample for the articles; summing and averaging the article feature vectors of the click interaction of the user to obtain a click interaction matrix E3 corresponding to the user, splicing E1, E2 and E3, and inputting the E1, E2 andE3 into a deep neural network model with three hidden layers and one output layer to output a prediction result. According to the method, user clicking behaviors are decomposed into attribute characteristics, a GBDT tree model, an Attention network and a deep neural network model are subjected to nonlinear fitting, a recommendation system clicking rate prediction model is constructed, a prediction result is obtained through model training, and the method has the advantages of deep mining of recent interests of users, high generalization degree and high expansibility.

The invention discloses an underground pressure three dimensional physical simulation test platform, which is characterized in that a frame type model platform used for bearing a model, a swing structure used for causing the frame type model platform to incline in a whole in a range of set maximum inclination angle, and a loading device used for pressing on the model in the direction of the opening of the frame type model platform are included, wherein, the frame type model platform comprises an upper opening, side wall plates arranged at the front, at the back, at the left and at the right, as well as a base plate; the base plate is provided with at least a mining hole, and the mining hole is provided with a demountable sealing lath. The invention can simulate a big inclination angle coal seam mining experiment and simulate a coal seam deep mining experiment, and meanwhile, can also simulate a bottom plate coal mining experiment, simulate a middle coal mining experiment, and the like.

The invention discloses a power grid comprehensive visualization method based on multi-service system information fusion. On the basis of comprehensively organizing service flows and data models of links of an intelligent power grid, an information exchange bus crossing a production control region and a management information region is utilized to obtain relative operational and management information of systems such as a production management system (PMS), a distribution management system (DMS), an energy management system (EMS), an electric transmission and transformation equipment state monitoring system, a distribution network production quick-repairing commanding platform, a centralized video monitoring system, a marketing management system, an electricity consumption information acquisition system, a geographical information system (GIS), an intelligent district energy consumption management system, a residential area intelligent electricity consumption interaction and energy efficiency management system, an electric vehicle charging facility comprehensive monitoring and management system and a weather system, and furthermore, based on the relative operational and management information, the data is subjected to deep mining, analysis and comprehensive displaying. The power grid comprehensive visualization method based on multi-service system information fusion helps the production operational and management personnel to master the real-time running state of the power grid more comprehensively, visually and effectively.

The invention relates to a coal mine gas disaster monitoring and pre-warning system and a pre-warning method. According to the system and the method, automatic monitoring, transmission, real-time acquisition, storage and dynamic sharing of coal mine gas disaster related safety information are firstly achieved through a gas disaster safety information acquisition platform; then, deep mining and analysis are conducted on the related safety information by utilizing the gas disaster safety information acquisition platform according to gas disaster monitoring and pre-warning indexes and rules established on the four aspects of objective dangerousness, precautionary measure defects, management measure defects and catastrophe control, gas disaster danger level and range are automatically judged, and pre-warning results of different levels are issued in sound, light, short message and network forms and the like; finally, emergency linkage control of a coal mine power monitoring system, an underground personnel location system, an underground broadcasting system, an online ventilation monitoring system and other coal mine monitoring systems is achieved by utilizing a pre-warning linkage control software system according to the issued pre-warning results, and finally the purposes of online monitoring, real-time analysis and intelligent pre-warning and linkage control of coal mine gas disasters are achieved.

The invention discloses a continuous monitoring system of overburden rock displacement in an ore bed mining process, which comprises an inclination measuring drilling hole, an inclination measuring pipe assembly, a monitoring device and a monitoring station. When in use, a plurality of fixed inclinometers are arranged at different positions as required so as to realize the continuous whole-coursemonitoring on mined overburden rock displacement; meanwhile, the monitoring device for a flexible chain structure can be used for preventing the damage of overburden rock movement on instruments so as to ensure monitoring is carried out smoothly; and the monitoring system is used for evaluating the space-time influence degree of the mining to overburden rock so as to provide a basis for the judgment of the influenced degree and the safety of deep mining operation execution, facilities in an overburden rock stratum, ground facilities, and the like. In addition, the invention also discloses a method for structuring the monitoring system, wherein methods for embedding an inclination measurement pipe, carrying out anti-sliding safety protection during lowering the inclination measurement pipe, lowering the inclination measurement pipe when water or no water exists in the drilling hole, fixing the inclination measurement pipe by deep hole grouting, and the like not only effectively solve the problem of huge difficulty on installing deep-hole inclination measurement pipes, but also effectively improve the construction efficiency and the safety.

The invention relates to a text classification method based on a graph kernel and a convolutional neural network, and belongs to the technical field of data mining and information retrieval. The coreconcept is that: firstly, a text is preprocessed into an expression mode of a graph structure, wherein nodes in a graph correspond to words in the text; then weights of the nodes are calculated on thebasis of the graph structure, then the graph structure is decomposed into a plurality of sub-graphs by using a community discovery algorithm, the graph is mapped to a high-dimensional space by usinga graph kernel technology so as to obtain a tensor expression of the graph; finally, the tensor expression is input into the convolutional neural network, deep mining is carried out on graph features,and a category of the text is output. Compared with the prior art, according to the text classification method, an internal structure and context semantics of the text can be sufficiently utilized, so that text contents are sufficiently expressed; node information is more reasonable; the problem of complex and fussy processing process in the text classification is effectively solved.

The invention discloses a high-voltage circuit breaker mechanical fault diagnosis method. Opening and closing coil current obtained by a high-voltage circuit breaker fault simulation experiment is used as a target data sample for fault diagnosis; data obtained through simulation by establishing an opening and closing coil mathematical model serve as an auxiliary data sample, deep mining and self-adaptive extraction of sample data features are achieved through a deep belief network (DBN), and information matching of the auxiliary data and target data is achieved in combination with a transfer learning method. According to the method, transfer learning and a deep belief network are combined; the deep belief network is utilized to carry out deep mining and self-adaptive extraction on the current time domain signal of the opening and closing coil of the circuit breaker, the transfer learning method is combined to solve the problem that the actual fault training sample data size is small, and the generalization capability of the fault diagnosis model is improved.

The invention discloses an analytical method of deep mining floor rock stratum damage and fracturation evolution and failure law. The analytical method comprises the following steps: Step 1, stope floor stress state data is acquired; Step 2, stope floor rock stratum damage and fracturation data is acquired; Step 3, deep well floor rock stratum damage and fracturation data is acquired; Step 4, deep well floor mining-induced damage and fracturation data is acquired; Step 5, the above stope floor stress state data, the stope floor rock stratum damage and fracturation data, the deep well floor rock stratum damage and fracturation data and the deep well floor mining-induced damage and fracturation data are analyzed so as to obtain deep mining floor rock stratum damage and fracturation evolution and failure law. By obtaining the deep mining floor rock stratum damage and fracturation evolution and failure law, data foundation is provided for specific deep mining, so as to further provide technical support for raising deep mining efficiency and mining safety.

The invention provides an intelligent sensing and remote and unified regulating system for deep-mining mine ventilation. The intelligent sensing and remote and unified regulating system is mainly composed of intelligent sensing equipment, a PLC control cabinet (3), a middle-layer optical fiber ring network (18), a ring network exchanger (17) and an industrial personal computer (19). The PLC control cabinet (3) is provided with an analog input terminal (4), a frequency converter (12), an analog input module (13), a communication module (14) and a CPU module (15), wherein the analog input terminal (4) is connected with the intelligent sensing equipment through a cable, the frequency converter (12) is connected with a ventilation motor (2) and can automatically acquire operation parameters of the motor, and then the frequency converter is communicated with the industrial personal computer (19) of an upper-layer monitoring terminal through the CPU module, the communication module, the analog input module, the middle-layer optical fiber ring network and the ring network exchanger. The intelligent sensing and remote and unified regulating system is strong in expansibility and improves the unified regulating efficiency and the real-time controlling and optimizing capacity to multiple fans in deep-mining mines.

The invention provides a data mining system used for an enterprise innovation system. The data mining system comprises a science and technology innovation system decision assisting and supporting subsystem, a science and technology enterprise innovation knowledge mining subsystem, a science and technology innovation service subsystem and an innovation resource catalogue service subsystem. The science and technology innovation system decision assisting and supporting subsystem comprises an information collection module, an analytical prediction module, a decision making module and a decision execution module, wherein the information collection module is used for finding mass data on a knowledge base or a network and comprehensively and accurately obtaining all types of basic data related to items where decision making is to be conducted. The data mining system has the advantages of being comprehensive in function and high in intelligent degree, the effect of conducting deep mining on enterprises is achieved, and enterprises are scientifically guided to conduct technical innovation.

The invention discloses a simulation test method for heat and humidity exchange of a heading tunnel in deep mining of a metal mine. The simulation test method comprises the steps of arranging a special simulation test platform and implementing operations, wherein the arranged simulation test platform is formed by combining a simulation tunnel, a tunnel heat source simulation device, a tunnel internal humidity environment simulation device, a tunnel internal fresh air quality simulation device, a tunnel cooling and refrigerating simulation device and airflow parameter monitoring and controlling components; the operations implementation step is as follows: determining the working condition of a refrigerating unit when an internal heat source of the heading tunnel and an air blowing parameter of blown fresh air are known; verifying theoretically derived parameters of the refrigerating unit. According to the simulation test method for the heat and humidity exchange of the heading tunnel in the deep mining of the metal mine, which is disclosed by the invention, a field real heat and humidity exchange environment is provided for the study on the heat and humidity exchange of internal air of a blind drift, the simulation test method and theoretical calculation form a mutually complemented system, the reliability of various theoretically calculated parameters can be greatly verified, the reliability of theoretical calculation is improved, and excellent practical significance and popularization and application values are provided to solve a heat damage problem in the face of the deep mining at present.

The invention discloses a thin-layer limestone ground directional drilling horizontal multi-stage branch grouting drill hole. The thin-layer limestone ground directional drilling horizontal multi-stage branch grouting drill hole comprises a ground main hole. The ground main hole vertically extends to the underground, penetrates through a vertically-drilled straight hole section of a base rock layer from the ground to the underground and downwards penetrates through an ash consequently-drilled bedding section along a coal bed. A kickoff point is arranged at the end, away from the ground and close to the coal bed, of the straight hole section. Inclined drilling is conducted between the kickoff point and the middle of lime-cement-flyash below the coal bed, so that a directional inclination guide section is formed. The two ends of the directional inclination guide section communicate with the straight hole section and the bedding section correspondingly. The main hole bedding section is divided into a plurality of first and second stage branch holes distributed in a fan shape in the approximately horizontal direction of the bedding section. By adopting the technical scheme, compared with the former conventional water control technology, the safe reliability is greatly improved, deep mining bottom plate limestone water disaster governance is achieved, bottom plate water disaster accidents are avoided, and safety production is ensured.

The invention relates to a medical data joint learning system and method based on trusted computing and privacy protection. A joint learning center control layer receives non-sensitive meta-information uploaded by a data contributor through a data contributor management layer of a data node where the joint learning center control layer is located for filing, and original data is locally registered, stored and subjected to isolation calculation; and the joint learning center control layer processes a joint learning request initiated by the data miner through the data miner interaction layer, summarizes insensitive intermediate results obtained by performing local isolation calculation on the data nodes based on the original data in a safe calculation area, and returns a final joint learningresult to the data miner interaction layer. The invention provides a whole set of service system based on medical big data security sharing, trusted computing, deep mining, authority authentication and multi-platform joint learning, and solves the problems of scattered, single and incomplete medical data privacy protection and data mining at the present stage.

The invention relates to the field of mining. A gob expanding material prestressed filling method is characterized by comprising the following steps of (1) preparing a prestressed filling material, i.e. stirring and blending the following raw materials in percentage by mass, 20 to 80 percent of burnt lime powder, 20 to 50 percent of water, 0 to 60 percent of filling aggregate and 0 to 5 percent of additive, to obtain the prestressed filling material; (2) according to the actual needs of a mine, on the basis that all the prestressed filling material or a part of filling material which is originally used by the mine is filled into a gob, filling the prestressed filling material into the gob through a filling pipe until the prestressed filling material reaches the top of the gob. After the prestressed filling material enters the gob for a certain time, the volume of the prestressed filling material is expanded; after the whole gob is fully filled, the prestressed filling material applies certain pre-stress to the surrounding rock mass. The problem that the mine is difficultly filled to the top is solved by the method and the filling material, the deformation and displacement of the surrounding rock mass are fully restrained, the stress distribution of the surrounding rock is improved, and a good condition for deep mining and the mining in a complex ground stress environment is also created.

The invention discloses a method for determining a rigid change of a bridge structure based on deformation data of bridge health monitoring. The method comprises six steps: analyzing a bridge structure; installing a dynamic weighing system at a position where a vehicle gets on the bridge to monitor a vehicle load; getting bridge load data in a normal state; collecting deflection deformation data of the bridge within one month or longer time and establishing a standard model graph; after establishment of the standard model graph, continuously collecting deflection deformation and vehicle load data for a period of time to guarantee accuracy of the model; and realizing change determination of the bridge rigidity. According to the invention, on the basis of a constructed relation model of bridge member rigid changes and deformation normal distribution curve graphs, a rigid change of the bridge is determined according to changing rule of bridge deformation value. Compared with the traditional static test, the provided method has the following advantages: wasting of lots of manpower and materials can be prevented; bridge traffic blocking is not required; and utilization of the method plays a positive role in deep mining and application of bridge health monitoring data.