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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

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

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

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

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

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

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

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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