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365 results about "Cluster type" patented technology

Basically there are 3 types of clusters, Fail-over, Load-balancing and HIGH Performance Computing, The most deployed ones are probably the Failover cluster and the Load-balancing Cluster.

Clustering type garbage automatic-identification assembly and automatic classification garbage bin for same

ActiveCN103552788AQuickly distinguish ingredientsEfficient identificationRefuse receptaclesElectricityOptical property
The invention discloses a clustering type garbage automatic-identification assembly and an automatic classification garbage bin for the same, and relates to an automatic garbage identification method, an automatic garbage identifier, an automatic classification and separation device and an automatic classification and separation container. The clustering type garbage automatic-identification assembly is characterized in that a plurality of sound, light, electrical, thermal, magnetic, image, gas, piezoelectric and electrochemical identification sensors are used for identifying the physical properties, chemical properties, form, appearance, temperature, chemical components, electrochemical characteristics, electromagnetic characteristics, optical properties, acoustic characteristics, inner structure, biological characteristics, smell, state variations, flow characteristics, motion characteristics, matter state and identification contents and characters of garbage to acquire the characteristic information of the garbage, and the characteristic information is analogically identified through a control main board (4), and is converted into effective actions to accurately throw the identified garbage into a specified container to realize the automatic classification and separation of the garbage.
Owner:邱泽国

Hadoop-based mass stream data storage and query method and system

The invention discloses a Hadoop-based mass stream data storage and query method and a Hadoop-based mass stream data storage and query system. The method comprises the following steps of: constructing a segmented column cluster type storage structure; sequentially storing stream data as column cluster records, compressing the column cluster records from front to back to obtain compressed data pages, writing each compressed data page into a piece of column cluster data, and simultaneously additionally writing the page outline information of the compressed data pages into the tail ends of the column cluster data to obtain an integrated data segment; and in the process of executing query statements, constructing a scan table according to filtering restraints by utilizing the page outline information at the tail ends of data segments to quickly filter the data.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI

System and Managing method for cluster-type storage

A system and managing method for cluster-type storage is provided. In one example of the system, the storage system is configured so as to expand from small to large configurations at a reasonable cost with performance decided appropriately to the target system scale. The storage system has an interface with a server or hard drives, a plurality of protocol transformation units, each used for transforming a read or write protocol of the data to be exchanged with the server or hard drives and a plurality of data caching control units, each having a cache memory unit for storing data to be read from or written in the server or hard drives and a function for controlling the cache memory unit. An interconnection is used for the connection between the plurality of the protocol transformation units and the plurality of the data caching control units. In the storage system, the plurality of the data caching control units are divided into a plurality of control clusters while the cache memory unit is controlled only in its corresponding control cluster independently while the system management unit is connected to the interconnection, so that the system management unit manages the plurality of protocol transformation units and so that the plurality of control clusters are managed integrally as one system.
Owner:HITACHI LTD

Building method for artificial dry-hot-rock geothermal reservoir

The invention provides a building method for an artificial dry-hot-rock geothermal reservoir and belongs to the field of artificial dry-hot-rock geothermal reservoir building. According to the technical scheme, the method includes the steps that supercritical carbon dioxide fracturing is conducted on the soft weak face or an interlayer formed along the igneous rock phase to generate a major crack, then large displacement of hydrofracturing is conducted on the interior of the major crack to generate secondary fracturing, bulk fracturing or cluster type fracturing of a dry hot rock body is generated under cyclic fracturing, and the artificial geothermal reservoir is built. The building method has the beneficial effects that the characteristics of low viscosity and easy diffusion of the supercritical carbon dioxide and the characteristic that the crack is easy to form due to the fact that the fracturing pressure of igneous rock under supercritical carbon dioxide fracturing is low are fully utilized; and in combination with the characteristics that the igneous rock is of the obvious rock phase structure and thermal fracturing is easy to generate, the problems that current hydrofracturing cannot be implemented to building of the artificial geothermal reservoir in a deep rock mass, the fracturing pressure is large, the crack group or the crack band of an ideal structure is difficult to form, and an artificial geothermal reservoir stratum is particularly difficult to build are solved.
Owner:TAIYUAN UNIV OF TECH

Province-city secondary system integrated comprehensive monitoring and process management system in power dispatching and implementation method for system

InactiveCN103745322AFull displaySolve the problem of managing processes that do not form a closed loopResourcesData informationClosed loop
The invention discloses a province-city secondary system integrated comprehensive monitoring and process management system in power dispatching and an implementation method for the system. The system is designed on the basis of SOA (service-oriented architecture), a bottom layer is programmed by adopting standard C, a front end is constructed by applying a J2EE (java 2 enterprise edition) technology, and the system is a cluster-type integrated architecture system which is arranged on a plurality of servers; the system is characterized by comprising a real-time monitoring module and a management function module, wherein the real-time monitoring module is used for IT (information technology) monitoring, machine room environment monitoring and service data validating (RTU (remote terminal unit) and OCS (office communication server) monitoring); the management function module comprises IT asset management, operation and maintenance management and professional reports. The system and the implementation method have the beneficial effects that a comprehensive platform is realized, and the automatic monitoring situations can be displayed comprehensively; province-city two-level automatic system data sharing is realized, and valuable data information can be provided for operators on duty automatically; the problem that a closed-loop process is not formed in the conventional automatic internal management is solved.
Owner:YUNNAN ELECTRIC POWER DISPATCH CONTROL CENT +1

Novel OFDM signal channel estimation combination ICI self elimination method

The invention discloses a novel OFDM signal channel estimation combination ICI self elimination method. The sending end pilot frequency design adopts a cluster type pilot frequency OFDM structure with the ICI estimation function. The receiving end is processed according to the following steps: a, converting proceeding FFT of an OFDM sign to a frequency domain, taking out the pilot frequency, and carrying out ICI elimination signal channel estimation; b, carrying out counter modulation after using the signal channel estimation in the first step for coarse balancing; c, using the signal channelestimation in the first step for time domain linear continuous sign signal channel estimation; d, calculating ICI signal channel matrixes through cyclic convolution by using a time domain pulse response structure in the third step, and obtaining ICI interference matrixes; and e, carrying out ICI elimination through combining counter modulation signals in the second step and ICI interference matrixes in the fourth step, and making the judgment after the secondary balancing. The invention solves the problem of influence on OFDM by interference between carrier waves under the condition of lineartime change signal channels, and improves the frequency spectrum utilization rate and the system performance.
Owner:BEIJING JIAOTONG UNIV

Wireless sensor network temperature monitoring method based on improved Kriging algorithm

ActiveCN106714336AThe science of predicting outcomesEnergy saving life cycleThermometer detailsTransmission systemsTerrainStructure analysis
The invention discloses a wireless sensor network temperature monitoring method based on an improved Kriging algorithm. The wireless sensor network temperature monitoring method comprises the steps of: firstly, establishing a layer cluster type wireless sensor network topological structure, analyzing historical temperature data of a target region, setting a threshold value rho and a fusion cycle T, performing periodic fusion on in-cluster node data at a cluster head node based on the threshold value rho, acquiring initial temperature data, transmitting the initial temperature data to a monitoring host by means of a wireless link and saving the initial temperature data in a local database; importing the initial temperature data, and performing variable structure analysis on the initial temperature data to generate a variation function expression; and optimizing a variation function model by utilizing an improved Nelder-Mead simplex method, designing a regular grid terrain, performing temperature interpolation by adopting an ordinary Kriging algorithm, carrying out error correction, and outputting a regular grid temperature field pattern. The wireless sensor network temperature monitoring method optimizes the variation function model by utilizing the improved Nelder-Mead simplex method, corrects weights of the ordinary Kriging algorithm, performs error compensation on the interpolation result, and makes the interpolation result more scientific and closer to the actual situation.
Owner:NANJING UNIV OF POSTS & TELECOMM

Data processing method and device of block chain network, cluster node and storage medium

The embodiment of the invention discloses a data processing method and device of a block chain network, a cluster node and a storage medium, wherein the data processing method of the block chain network is applied to the cluster node in a block chain system, and the cluster node includes at least two sub-nodes. The data processing method of the block chain network comprises the following steps: performing interaction with other nodes in the block chain system based on a block chain protocol through a logical layer interface of the cluster node; and controlling the sub-nodes of the cluster nodefor distributed processing according to the interactive information. According to the technical scheme disclosed by the embodiment of the invention, the overall hardware capability and working reliability of the cluster node can be improved by means of a plurality of sub-nodes in the cluster node and the distributed processing mode through introducing the cluster-type super-nodes; therefore, theowner of the cluster node are less likely to suffer economic losses.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD

Dynamic clustering wireless sensor network cipher key management method

The invention discloses a dynamic clustering wireless sensor network cipher key management method. The dynamic clustering wireless sensor network cipher key management method comprises steps that allnodes of a network are divided into three layers such as a base station, a cluster head node, and a common node according to node functions, and then a system network structure model is established; the parameters of the system network structure model are initialized to generate a cipher key, and at last, communication between the base station and the cluster head node, and the communication between the common node and the cluster head node are realized, and when the nodes are captured or energy is exhausted during the operation process of the network, the cipher key in the network is updated.The method provided by the invention is advantageous in that high safety performance is provided, and the common attacks of the wireless sensor network such as node forgery attacks, message replay attacks, and denial of service attacks are resisted, and at the same time, on aspects of network connectivity, storage overhead, and network power consumption, compared to conventional schemes, a largeadvantage is provided, and the method can be used in a large-scale layer cluster type wireless sensor network.
Owner:XIAN UNIV OF TECH

Visual positioning method based on vehicle-mounted panorama image and streetscape matching

The invention discloses a visual positioning method based on vehicle-mounted panorama images and streetscape matching. The visual positioning method comprises the following steps: firstly, acquiring streetscape images, extracting building facades and facade characteristic lines of the streetscape images, and extracting view shading characteristics so as to form view shading characteristic databases; clustering the view shading characteristics so as to obtain clustering result; secondly, acquiring view shading characteristics of the vehicle-mounted panorama images, confirming a vehicle-mounted panorama image taking point range and view shading characteristics within the range, and confirming clustering types corresponding to the view shading characteristics; and finally confirming type affiliation and final matching result of the view shading characteristics of the vehicle-mounted panorama images, and furthermore confirming the position of a vehicle. By adopting the visual positioning method, the difficulties that a GPS is poor in signal stability and applicability in urban areas and a conventional view positioning method is large in calculation amount and is not practical when depending on three-dimensional landform modeling can be avoided, vehicle-mounted panorama cameras which are popularized gradually and conventional streetscape maps with a great amount of data are adopted for positioning, and good landform applicability and positioning precision can be achieved.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH

Cluster type stream media networking system and its content issue and service method

The system for organizing network includes the service system, the stream media service system (SMSS), and terminal systems. The service system is connected to the service support system including an electronic program directory system connected to the terminal systems. The disclosed system also includes central server for stream media management configuration (SMMC). SMSS includes at least a central node. The central node is corresponding to fringe nodes in N stages, where N larger than or equal to zero. Fringe nodes in up most stage are connected to the central node. Both the central node and fringe node include a SMMC client end, a set of stream media server, and a set of memory device. Central server for SMMC is connected to SMMC client ends of each node so as to form a distributed structure. The invention also discloses convenient content issuance, and service method based on the said system. The invention suits requirement of large quantity of user, and large user area.
Owner:ZTE CORP

Knowledge shop management system and knowledge shop management method of study platform

The invention provides a knowledge shop management system and a knowledge shop management method of a study platform. By the knowledge shop management system, students' resource search records, use behaviors, purchase records and background information on the study platform are subjected to clustering analysis to acquire multiple clustering types and students' clustering types, features of the students' clustering types are compared with features of study resources of the study platform, the study resources matched with the students' clustering types in feature are searched out, and recommendation lists are generated according to the searched study resources and are recommended to the students. The study resources which the students are interested in and need are predicated through clustering and matching, and the recommendation lists are generated according to predication results and are provided for the students for reference, so that the students can find and purchase the study resources according to links in the recommendation lists without spending time in inquiring and searching if the recommendation lists include the study resources which the students intend to purchase.
Owner:HUNAN YIGU TECH DEV

Node legitimacy multiple-authentication method in layer cluster type wireless self-organization network

The invention provides a node legitimacy multiple-authentication method in a layer cluster type wireless self-organization network, which relates to a node legitimacy security authentication mechanism in an Ad hoc network. The invention provides a node legitimacy multiple-authentication method for a layer cluster type topology structure Ad hoc network by aiming at two attack modes: a node identity falsification mode and a message package discarding, tampering and falsification mode in the Ad hoc network. The node legitimacy multiple authentication method can verify the legitimacy of node identity and the legitimacy of a transmitted message package, realize a multiple authentication method by mainly combining multiple modes of identity identification, a pre-configuration key, a conversation key, a finite random number generator, a unidirectional hash function, a key generator, and the like, design a specific technical scheme and a step process, be obviously different from the authentication method in the prior layer cluster type Ad hoc network and have beneficial effects on authentication security intensity, authentication correctness, adaptive efficiency, and the like.
Owner:盐城市枯枝牡丹旅游开发投资有限公司

Cluster-type automatic test method

InactiveCN106874159AReduce labor costsShorten configuration test environment timeHardware monitoringSoftware testing/debuggingTest efficiencyPassword
The invention relates to a cluster-type automatic test method and belongs to the technical field of storage. A console is used for automatically configuring the password-free login between a client and a storage device, distributing a test configuration file and a parameter file and automatically completing the configuration work for the storage device and the node; the automatic configuration time is synchronous; a control terminal is used for automatically detecting the current test environment; when the environment does not meet a test condition, the control terminal can prompt the corresponding information; a tester can update the environment according to the information; when the environment meets the test condition, the console can automatically distribute and use the test file for testing the storage device and can monitor the system load, service and process in real time; after the test is normally completed, the console can collect all the related test data of the clients and the storage device and can analyze. Compared with the prior art, the cluster-type automatic test method has the advantages that a large amount of labor cost is saved, the time for configuring the test environment is shortened, so that the test efficiency is greatly increased, and the repeated configuration work and the test process are automatic so that the accuracy of the configuration and the test result is increased.
Owner:TOYOU FEIJI ELECTRONICS

Implementation method for providing load balancing service based on OpenStack architecture

The invention discloses an implementation method for providing a load balancing service based on an OpenStack architecture. The method comprises the following steps that a client is responsible for sending a network request message to a server; a router is responsible for converting a destination IP address requested by a user into an IP address of an intranet of the server, forwarding the requestmessage to a load balancer, and the load balancer is used for selecting the appropriate server according to a configured processing algorithm after the load balancer receives the request, and sendingthe request message to the server for processing; and the server is an entity for processing the user request and is formed by a plurality of servers providing the same service. The method has the beneficial effects that the method can support load balancer equipment and software load balancers of different manufacturers and the load balance between virtual machines and between the servers, a container or automatic operation and maintenance can be adopted to realize deployment, the maintenance cost is reduced, the flexibility is increased, a cluster type deployment mode can be realized, and the performance and the stability of the load balancer can be improved.
Owner:DATANG NETWORK CO LTD

Static program distribution and service method in cluster type stream media system

According to favoured degree of static program (SP), this method divides SP into several levels and determines the node layer to which a certain level program is distributed, the higher favoured degree of SP level the lower node layer to be sent. According to the SP level and the node layer to be sent, the business supervision system issues programs to the center node (CN). CN distributes programs to numerous level of edge nodes. Nodes preserve these programs. When ordering a program, the user end (UE) builds a link with the aim flow-media server (AFS) preserving this program and asks to play. AFS reads data of this ordered program and sends the corresponding code flow to UE. This invention uses reasonably the hardware resource and offers a hi-efficiency program dispatching mode and user dispatching mode.
Owner:ZTE CORP

High-efficiency cluster type water pump system with constant pressure and variable flow and operation control method

The invention discloses a high-efficiency cluster type water pump system with constant pressure and variable flow and an operation control method. According to the high-efficiency cluster type water pump system, a water pump can be reasonably configured according to the constant pressure and water consumption continuous change rule of industrial and mining enterprises. The high-efficiency cluster type water pump system comprises a plurality of water pumps, a full-voltage bus, two frequency converting buses, two frequency converters and a plurality of normally-opened alternating current contactors, wherein one water pump is a speed regulating pump and other water pumps are constant speed pumps; each water pump is provided with a driving motor; the driving motors are divided into a group I and a group II; each driving motor in two groups is connected with the full-voltage bus, a frequency converting bus I and a frequency converting bus II through contacts of the two alternating current contactors; a frequency converter I and a frequency converter II are respectively connected between the full-voltage bus and the frequency converting bus II as between the frequency converting bus I and the frequency converting bus II through contacts of another two alternating current contactors; and one residual contact of the alternating current contactor is connected between the two frequency converting buses. The control process comprises a start process of the water pumps, the speed regulating operation process of a variable speed pump, a flexible switching process of the water pumps and the speed regulating operation process of the variable speed pump after the flexible switching process is ended.
Owner:BOHAI UNIV

Biomedical Ti-Zr-Hf-Nb-Ta series high-entropy alloy and preparing method

The invention relates to a biomedical Ti-Zr-Hf-Nb-Ta series high-entropy alloy. The composition general formula of the high-entropy alloy is TiZrHf<c>Nb<d>Ta<e>, wherein a, b, c, d and e are atomic percents, a is larger than or equal to 5 and smaller than or equal to 40, b is larger than or equal to 5 and smaller than or equal to 40, c is larger than or equal to 5 and smaller than or equal to 40, d is larger than or equal to 5 and smaller than or equal to 40, e is larger than or equal to 5 and smaller than or equal to 40, and the sum of a, b, c, d and e is 100. Starting from a TiZr-transition group high-entropy alloy system, a cluster type structure unit model is combined for component design, a low-modulus and high-corrosion-resistance biomedical TiZr-transition group high-entropy alloy with more excellent comprehensive mechanical performance is prepared, and the elasticity modulus of the Ti-Zr-Hf-Nb-Ta series high-entropy alloy is low to 54GPa.
Owner:AVIC BEIJING AERONAUTICAL MFG TECH RES INST

Multi-level cluster-type construction multi-source safety log collection system and method

The present invention discloses a multi-level cluster-type construction multi-source safety log collection system and method. The network device logs such as a switch and a firewall and the multi-source heterogeneous logs such as a network behavior log are uniformly collected; on the aspect of log source control, the log source configuration can be dynamically added, deleted and modified and the start-stop operation of a single log source collection task is realized in the condition without any influence on the collection of other log sources so as to ensure the unremittance of the log collection; on the aspect of the collection method, a cluster-type construction design is employed, when one collection node has faults or the performance has bottlenecks, the load can be dynamically deployed so as to ensure the reliability and the timeliness of the large-scale log data collection; and on the aspect of the data storage, the safety log is stored into an Hbase database and an ES index so as to support the intelligent big data analysis and support the log online query analysis.
Owner:STATE GRID CORP OF CHINA +2

Analytical method for use in optimizing dimensional quality in hot and cold rolling mills

A device and method for prediction and / or control of the profile and / or shape of rolled metal strip. The device and method are compatible with both cluster-type and non cluster-type mills. The device and method employ a customized deflection model of the rolling mill, thereby combining the advantages of well-known finite element method with other relevant methods to allow real-time operation of the rolling mill without the computational complexities of such methods. In one form, the customized deflection model helps to obtain a compact, linear, and flexible analytical model with non-iterative solution, multiple continuous elastic foundations, third-order displacement fields, simple stress-field determination, and capability to compute dynamic deflection characteristics.
Owner:WRIGHT STATE UNIVERSITY

System and managing method for cluster-type storage

The storage system is configured to expand from small to large configurations at a reasonable cost with performance decided approximately to a target system scale. The storage system has a plurality of protocol transformation units, each used for transforming a protocol to be exchanged with the server or disk drives, and a plurality of data caching control units, each having a cache memory unit for storing data and a function for controlling the cache memory unit. The plurality of data cashing control units are divided into a plurality of control clusters while the cache memory unit is controlled only in its corresponding control cluster independently and the system management unit is connected to an interconnection, such that the system management unit manages the plurality of protocol transformation units and the plurality of control clusters are managed integrally as one system.
Owner:HITACHI LTD

File system migration in storage system

In a cluster type NAS, it is necessary to copy file data between disk devices of servers upon migration of a file system or a part of the file system. A server includes a control table for managing a file system or a part of the file system, and a mapping table for managing a relation between a logical device of a disk subsystem and a logical unit recognized by a server, and in response to an instruction to execute migration of the file system from a first server to a second server, the mapping table is referenced to send an instruction to update the relation between the logical device and the logical unit to the second server, and the second server newly recognizes a logical unit and updates a management server identifier of the control table.
Owner:HITACHI LTD

Cluster automobile diagnosis information platform

InactiveCN102385380ARealize sending and receiving information transmissionElectric testing/monitoringSERCOS interfaceGeneral Packet Radio Service
The invention discloses a cluster automobile diagnosis information platform, which comprises a general packet radio service (GPRS) / the third generation telecommunication (3G) communication network, a long-distance automobile diagnosis service system and an automobile traveling dynamic diagnosis fault alarm device arranged on each automobile. Collection and diagnosis of the cluster type automobile traveling dynamic information are achieved by means of the fault alarm device. A function controller, a storage device, a test interface, a data collection interface and a data transmission interface are included. A logic function interface of on-board diagnostics (OBD) / controller area network (CAN) of the test interface is connected with a corresponding connector of the OBD / CAN of the automobile, and the data collection interface is connected with a universal serial bus (USB) interface of a vehicle-mounted video information collection and image pick-up device. The data transmission interface is connected with the GPRS data transmission module, the GPRS data transmission module is communicated with a long-distance automobile diagnosis service system through the GPRS / 3G communication network to transmit and receive information. The function controller is further connected with a liquid crystal display (LCD) screen, the storage device, the test interface, the data collection interface and the data transmission interface.
Owner:广西三原高新科技有限公司

Cluster-type fluid-conducting pipe connecting device

InactiveUS20130147185A1Firmly connectedSimplify arrangement and layingAdjustable jointsPipe elementsCluster typeConductor pipe
A cluster-type fluid-conducting pipe connecting device includes a base section; a retaining ring fitted to a front of the base section and turnable from a closed position to an open position; the retaining ring and the base section being correspondingly provided at a front end with fixing slots and connection slots, respectively, and a sideward locating slot being formed at a rear end of each fixing slot; a reset structure enabling the retaining ring to automatically return from the open position to the closed position; and a connector having a forward pipe engaging section for fluid-conducting pipes to connect thereto, and a rearward plug section for inserting into the base section and externally provided with stubs that slide into the connection and fixing slots while the retaining ring is in the open position and are locked in the locating slots while the retaining ring is in the closed position.
Owner:CAREMED SUPPLY

Microblog hot topic detection method and device aiming at specific group

The invention relates to a microblog hot topic detection method and device aiming at a specific group. The detection method comprises the following steps of performing community classifying on all users in the microblog according to the attention relation between the certificated users and the users concerned by the certificated users; extracting a topic according to the microblog content issued by each obtained certificated user and the users concerned by the certificated users so as to obtain multiple summary topic types; establishing a topic matrix according to the user communities and the summary topic types; placing a microblog text corresponding to the micorblog text vector in each summary topic type with the maximum cosine similarity with the microblog text vector; selecting a plurality of summary topic types with the maximum matrix element numbers in the community topic matrix for clustering and classifying respectively; respectively extracting central hot event of each event clustering type and showing the central hot spot event for the corresponding community users. A multilayered result of the hot topic event is obtained, and the hot event interesting to a certain community is represented by the microblog.
Owner:INST OF INFORMATION ENG CAS

Wafer processing apparatus and wafer processing method using the same

An integrated in situ cluster type wafer processing apparatus which can be used for forming metal wiring layers having a multi-layered structure and a wafer processing method using the same are provided. The wafer processing apparatus includes a transfer chamber which can be exhausted and has a plurality of gate valves, a plurality of vacuum processing chambers each of which can be connected to the transfer chamber via one of the gate valves, and a load lock chamber which can be exhausted and is connectable to a first gas feed line for feeding an oxygen-based gas into the load lock chamber. In a wafer processing method, a predetermined layer is formed on a wafer in one of the vacuum processing chambers. The predetermined layer on the wafer is oxidized in the load lock chamber or an oxygen atmosphere chamber.
Owner:SAMSUNG ELECTRONICS CO LTD

Invariants Modeling and Detection for Heterogeneous Logs

A method is provided that is performed in a network having nodes that generate heterogeneous logs including performance logs and text logs. The method includes performing, during a heterogeneous log training stage, (i) a log-to-time sequence conversion process for transforming clustered ones of training logs, from among the heterogeneous logs, into a set of time sequences that are each formed as a plurality of data pairs of a first configuration and a second configuration based on cluster type, (ii) a time series generation process for synchronizing particular ones of the time sequences in the set based on a set of criteria to output a set of fused time series, and (iii) an invariant model generation process for building invariant models for each time series data pair in the set of fused time series. The method includes controlling an anomaly-initiating one of the plurality of nodes based on the invariant models.
Owner:NEC LAB AMERICA

Dead pixel processing method and system for image sensor

ActiveCN105306843AImprove bad pixel processing effectExcellent interpolation resultTelevision system detailsColor television detailsCluster typeImage sensor
Embodiments of the invention disclose a dead pixel processing method and system for an image sensor. The method comprises the following steps: presetting a mapping table of bad cluster types and interpolation algorithms; detecting and storing position information of a dead pixel and bad cluster type information corresponding to the dead pixel; and looking up the dead pixel in a collected image according to the position information of the dead pixel, selecting a matched interpolation algorithm in the mapping table according to the bad cluster type information corresponding to the dead pixel, and using the interpolation algorithm to carry out interpolation processing on the dead pixel. According to the dead pixel processing method and system for image sensor provided by the embodiments of the invention, bad clusters are classified according to a distribution type of peripheral dead pixels, different interpolation algorithms are adopted for different bad cluster types corresponding to the dead pixels, thus each dead pixel can obtain an optimal interpolation result, and then the dead pixel processing effect of the image sensor is improved.
Owner:BEIJING LUSTER LIGHTTECH

Impulse type sand fracturing system and control method thereof

ActiveCN104712304ARealize sand mass supportRealize pulsed injectionFluid removalUser inputFracturing fluid
The invention provides an impulse type sand fracturing system and a control method thereof. The impulse type sand fracturing system comprises a sand hopper arranged on a fracturing blender truck, a fracturing liquid tank, a sand-liquid mixing cylinder and a fracturing pump car group. A supporting agent circulation loop is connected in parallel to a pipeline between the sand hopper and the sand-liquid mixing cylinder. A flow-direction converting device is arranged at the front end of the supporting agent circulation loop. The tail end of the supporting agent circulation loop is connected with the sand hopper. The impulse type sand fracturing system further comprises a control device which comprises a user input-output end, a PLC, a flow direction converting driver, a circulation feedback driver and a linkage butterfly valve driver. An existing conventional fracturing blender truck is used as a foundation platform, supporting agent double-way feeding control, supporting agent circulation control and fracturing liquid and sand carrying liquid impulse adding control are integrated, seamless connecting with an existing sand tank, the fracturing blender truck, the fracturing pump car group and a liquid tank group can be achieved, impulse type injection of fracturing liquid and sand carrying liquid is achieved, sand cluster type supporting of supporting agents in a crack is achieved, and the flow conductivity of the crack is improved.
Owner:CHINA PETROCHEMICAL CORP +2
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