3145 results about "Chain type" patented technology

The invention discloses a method for accelerating convolution neutral network hardware and an AXI bus IP core thereof. The method comprises the first step of performing operation and converting a convolution layer into matrix multiplication of a matrix A with m lines and K columns and a matrix B with K lines and n columns; the second step of dividing the matrix result into matrix subblocks with m lines and n columns; the third step of starting a matrix multiplier to prefetch the operation number of the matrix subblocks; and the fourth step of causing the matrix multiplier to execute the calculation of the matrix subblocks and writing the result back to a main memory. The IP core comprises an AXI bus interface module, a prefetching unit, a flow mapper and a matrix multiplier. The matrix multiplier comprises a chain type DMA and a processing unit array, the processing unit array is composed of a plurality of processing units through chain structure arrangement, and the processing unit of a chain head is connected with the chain type DMA. The method can support various convolution neutral network structures and has the advantages of high calculation efficiency and performance, less requirements for on-chip storage resources and off-chip storage bandwidth, small in communication overhead, convenience in unit component upgrading and improvement and good universality.

A main chain-type or side chain-type polymeric compound having a structure wherein at least one metal complex segment having a plurality ligands is introduced into a main chain or a side chain is provided. In the case where the polymeric compound is the main chain-type polymeric compound, the metal complex segment has at least one ligand constituting a polymer main chain of the polymeric compound and having a carbon atom and oxygen atom bonded to a metal atom. On the other hand, in the case where the polymeric compound is the side chain-type polymeric compound, a polymer main chain thereof has a conjugated structure, preferably a conjugated double bond. A ligand for the polymeric compound includes a chain or cyclic ligand, of which a bidentate ligand having an organic cyclic structure is preferred, and the ligand has at least one carbon atom or oxygen atom and is bonded to a center metal atom, preferably iridium, via the carbon atom or oxygen atom. In a case of forming a luminescence layer by using the polymeric compound as a luminescent material, a resultant organic luminescence device is less liable to cause a concentration extinction and is a high-luminescence efficiency device excellent in stability.

In the case of a conventional data structure of a disk on which data is recorded by a CD-R multisession method, a dedicated command is needed to read the latest file structure recorded during the last session by reading chainedly the first address of the subsequent session recorded in the read-in area of a session, and it is necessary to close the session so as to read data by means of a reproduction-only device. According to the invention, a set of information on management of unrecorded areas and a set of information on management of file structure/file information are recorded as chain-type information (111, 115, . . . ) and are read chainedly in a volume space so as to acquire the latest management information. Open maintenance information (105, 125) is recorded at the start of recording and close maintenance information (107, 126) is recorded at the end of the recording. The information is read chainedly, and thus information on volume is acquired.

The invention discloses a building fire intelligent rescue system based on a ubiquitous network. The system comprises a fire monitoring network, a handheld terminal, a monitoring center computer and a fire fighting command terminal, wherein the fire monitoring network consists of a plurality of convergence sub-networks and is connected with the monitoring center computer through wireless convergence nodes of the convergence sub-networks and a 3rd generation (3G) network; each convergence sub-network is a wireless sensor network which is provided with a main-chain-type topology structure consisting of wireless sensor nodes, namely fire monitoring nodes; and the handheld terminal comprises a query handheld terminal and a rescue handheld terminal, reads the label data of radio frequency identification (RFID) data of neighboring fire monitoring nodes of the handheld terminal by an internal RFID card reader and an RFID reading link which are arranged in the hand-held terminal, and exchanges data with the monitoring center computer through the 3G network. The system has the advantages of convenience in arrangement and high real-time capability; and the system can effectively assist firetrapped personnel in escaping and fire rescue personnel in making a rescue scheme; and intelligent guide is provided for the fire trapped personnel and the fire rescue personnel under the emergency condition of fire, and lives and property can be effectively rescued.

The invention relates to a single-phase universal electric energy quality controller for power supply for electrified railways, and belongs to the technical field of flexible AC power transmission and distribution; the invention comprises a single-phase multi-coil transformer composed of a primary coil and n secondary coils, so that the secondary coils of the transformer can be connected in parallel with n voltage sources of current transformers; n capacitors are connected with n voltage source current transformers, so as to form a single-phase chain-type H-bridge current transformer with n chains; the AC terminal of the H-bridge current transformer is directly connected with the traction grid through a reactor. The invention has the functions of active power control, reactive power compensation and harmonic compensation, so as to resolve three-phase voltage unbalance, voltage fluctuation, low power factor and harmonic pollution and so on that exist in ER traction transformer stations, effectively lower the capacity of traction transformers, increase ER transport capacity and transportation capability. Moreover, the invention is characterized in small occupied area, little loss and low cost, in order to gain perfect harmonic suppression characteristics and dynamic response features, and provide convenience in industrial production and improve device reliability.

The invention relates to a distributed file system virtual catalog and the implementation of a naming space. A primary server creates a uniform virtual catalog in the whole storage network, takes the concrete information of each file in store, and makes a mapping for the actual storage position of the file and the address in the virtual catalog, as well as shields the difference among hardware, an operation system and a file storage structure; in view of a client, the client does not know where the file is stored, the file in the whole system is seen to be stored in a uniform way without any difference from a common file system, namely, the system is a virtual file system; a secondary server stores the relevant information of the file stored on the secondary server, thereby forming an own file system. The invention has the advantages that the operation of the user is convenient through the system virtual catalog, and the file storage is transparent for the user. The consistency when a plurality of users access the file together is ensured through the chain-type operation of the naming space, thereby solving the problem of name collision, and obtaining good effect.

The invention provides a division and identification method and device based on a dense network image and relates to the technical field of neural networks. The division and identification method based on the dense network image comprises the following steps: firstly, capturing layering features of the dense network image by taking a convolutional layer as a feature extracting device; inputting obtained multi-scale feature patterns into an encoding module; meanwhile, connecting feature patterns with different scales with the feature patterns with the corresponding scales in the encoding moduleby utilizing jumping connection; carrying out down-sampling and semantic feature extraction on the feature patterns by applying the encoding module; carrying out up-sampling on the feature patterns by applying a decoding module and recovering detailed information to obtain the multi-scale feature patterns; then carrying out chain type residual error pooling operation on an output feature patternobtained by dense deconvolution operation, so as to improve the accuracy of boundary division and capture local contextual information; adding depth monitoring into three boundary thinning blocks in the encoding module and carrying out steps above to improve the precision of medical image division.

The invention discloses a wireless sensor network signal synchronous acquisition and on-time and real-time transmission method; wireless nodes in a wireless sensor network are divided into three kinds: a central node, a trunking node and a wireless sensor node, wherein, the central node is connected with a computer of a detection center for data transmission between the network and the computer; the trunking node and the central node are combined to a multi-hop chain type topological structure to realize a data long-distance transmission network; according to the information received from the trunking node, the wireless sensor node selects to join to a detecting unit controlled by a certain trunking node in order to send the own acquired data to the trunking node. In addition, the wireless sensor network adopts vibration signals to sample an initialization mode before the beginning and sample an on-time and real-time data transmission mode after the beginning. The wireless sensor network is characterized in low power consumption, large distribution range, timely and accurate detecting signal transmission, etc., and is suitable for wide popularization in the field of large-scale civil structure vibrating state detection.

The invention provides a high-performance environmentally-friendly flame retardant type organic electron pouring sealant and a preparation method thereof. Composite of branched chain type vinyl silicone oil with the viscosity of 1000-1500mPa.s and straight chain type vinyl-terminated silicone oil with the viscosity of 300-600mPa.s which are mixed in the mass ratio of 7:(2-5) is taken as base silicone oil, vinyl MQ silicon resin, precipitated white carbon black and gaseous white carbon black are taken as reinforced materials, aluminium oxide and silicon micropowder with the grain size of 1-10mum are taken as heat conduction fillers, and a mixed type coupler is added. The prepared high-performance environmentally-friendly flame retardant type organic electron pouring sealant has good comprehensive performances, high heat conduction performance and good mechanical properties and is environmentally-friendly and flame retardant, wherein the heat conductivity is 2.6-3.5W.m<-1>.K<-1>, the flowability is good, and the viscosity is 2000-3500mPa.s.

The invention discloses a direct current de-icing device based on a full-bridge modular multilevel converter. The full-bridge modular multilevel converter has a three-phase bridge structure, each phase of the converter comprises an upper bridge arm and a lower bridge arm, the upper and lower bridge arms which are respectively formed by serially connecting N full-bridge power modules end to end, and the full-bridge power modules form a chain type multilevel structure, the front ends of the first power modules of the upper bridge arms of all phases are connected to form the positive pole of a public direct current bus; the tail ends of the Nth power modules of all lower bridge arms of all phases are connected to form the negative pole of the public direct current bus; the tail ends of the Nth power modules of all upper bridge arms are connected with the front ends of the first power modules of the respective lower bridge arms of the phases by smoothing reactors; and the center of the electric reactor serves as the alternating current bus of the phase. The device has high high-voltage direct current output capacity and the direct current voltage of the device can be regulated continuously from zero; on the other hand, the fully compatible chain type scalable vector graphics (SVG) topology can realize quick dynamic reactive regulation; and the device has the combined functions of direct current de-icing and alternating current dynamic reactive compensation.

The invention provides a data transmission system and a data transmission method. Data to be transmitted is subjected to definition of the security level; and the data in different security levels are encrypted in different forms. In the encryption, a chain-type encrypting process combined by one or more encrypting algorithms is used, so the security of the data is guaranteed, and the process of the encrypting algorithms is suitable for the data to be transmitted and processing devices.

The invention discloses equipment and a method for single-cylinder type selective laser melting and milling composite processing. The equipment comprises a selective laser melting forming device, a vertical milling machine device and a central control system, wherein the vertical milling machine device is positioned in a forming chamber and comprises a chain type tool magazine, the chain type tool magazine is positioned at the right side of the exterior of the forming chamber, a laser device is positioned at the right side of the forming chamber of the selective laser melting forming device, a collimating beam expander, an optical lens and a scanning vibration lens are arranged at the top part of the forming chamber, and the optical lens is positioned at the upper part of the forming chamber, is embedded in the outer wall of the forming chamber, and is in sealed combination with the outer wall of the forming chamber. The equipment has the advantages that the size accuracy and surface quality of a forming part are improved, so the organic combination of additive manufacturing and high-accuracy milling processing is realized; by closing an automatic tool switching valve and a tool switching opening, the influence on a milling tool caused by metal powder and residual heat during laser processing is avoided, the quality of the milling tool is guaranteed, and the service life is prolonged.

An automatic machining center for high-speed vertical and/or horizontal milling and boring is composed of a main body with a base and a frame consisting of left and right vertical volumns and top horizontal beam, an index bench, a horizontal slide platform, rolling guide tracks X, Y and Z, the mainshaft for high-speed milling arranged on horizontal beam, mainshaft stock for boring arranged on right column, the disk-type and chain-type tool libraries, and tool exchanging manipulator.

The invention provides a chain type STATCOM (Static Synchronous Compensator) chain unit bypass structure with a mechanical switch, which is characterized in that a specially designed mechanical switch is selected as a bypass circuit of a chain unit to replace a power electronic device, and the circuit has the advantages of simple structure, small selected element amount and convenience for installation and operation and supplies reliable protection for the whole chain unit, thereby realizing the redundancy function of a chain, avoiding frequent quitting of an STATCOM device, caused by a chain fault, and solving the problems of difficult type selection of a large-capacity switch device, difficult acquisition of a control power supply of the switch device and the like.

The invention relates to a unified power energy quality controller based on the serial-connection multiplicity of transformers and a chain structure, which belongs to the technical filed of flexible AC transmission and distribution of an electric power system and the power electronic. The unified power quality controller comprises a single-phase serial-connection multiple transformer bank and a single-phase chain H bridge converter, wherein the transformer bank consists of m single-phase transformers which form the serial-connection multiple transformer bank together with n voltage source converters connected with n secondary windings of m single-phase transformers respectively; the single-phase chain H bridge converter is provided with n chains and is formed by connecting n DC voltage supporting units and n power source converters, and an AC port of the n-chain single-phase chain H bridge converter is directly connected with the electric fence through a reactor, m and n are signless integrals equal to or more than 2, and m is less than or equal to n. The invention can realize accurate current control, has high dynamic responding speed, and can solve the problems of the traction substation of an electrified railway that the three-phase voltage is unstable and fluctuates, the power factor is low and the harmonic pollution exists, and the like.

The invention relates to a staged packaging type potato combine harvester. The harvester comprises a rack (13); a roll shaft chain type staging device (35), a first stage soil and potato separation and conveying device (34) and a second stage soil and potato separation and conveying device (12) are arranged on the rack (13); ground wheels (11) are arranged at the lower part of the rack (13); a belt scraper type lifting elevator (16) is arranged on one side; a material receiving and packaging device (22) is arranged on the roll shaft chain type staging device (35); a transverse chain rod type conveyor (17) is arranged at the back end of the second stage soil and potato separation and conveying device (12); an elastic stripper rod pick-roll type two-stage stalk separation device and rubber belt type two-stage stalk separation device are further arranged between the first stage soil and potato separation and conveying device (34) and the second stage soil and potato separation and conveying device (12); a digging shovel frame (3) and the rack (13) are articulated through a traction rod (31); a copying soil breaking roll (1), a soil cutting disk (2), a digging shovel (32) and a soil loosening transition tooth (4) are arranged on the digging shovel frame (3); and the upper part of the digging shovel frame (3) is connected with a lifting rod of a lifting cylinder (29). The harvester is in tractor traction type and can complete the procedures of digging of potato crops, soil and potato separation, separation of stalk, weeds and a ground film, conveying and lifting of potatoes, staging of potatoes, collection, packaging and the like of potato crops.

The invention discloses an on-line monitoring device for tool wear of a shield tunneling machine based on a resistance row type. inside the tool of the machine. The part where the resistor row contacts the cutter is filled with epoxy resin to ensure the insulation between the resistor row and the cutter. There is a rubber pad at the contact part between the resistance row base and the cutter, and the rubber pad also has a sealing effect, and the resistance row base is fixed with the cutter as a whole with a lock nut. There are three signal amplifiers on the cutterhead, three transmitting antennas are installed on the back of the cutterhead corresponding to the signal amplifiers, receiving antennas are installed on the inner wall of the soil pressure chamber opposite to the transmitting antennas, and signal receiving antennas are installed in the main cabin of the shield tunneling machine. device. The invention can predict the wear state of the excavating tool on-line, effectively reducing or avoiding the occurrence of huge economic losses, personal casualties and other dangerous accidents caused by tool accident shutdown.

The invention aims at providing a production process for achieving hundred-percent comprehensive utilization and zero emission by recycling and extracting seawater, which is characterized by recycling, extracting and processing used seawater, realizing the all-sided and hundred-percent comprehensive utilization to seawater, eliminating production wastes, thoroughly eliminating the pollution to oceans from 'disabled seawater', creating marine organism medicine sources for serve all mankind, providing low-cost and unexhausted clean fresh water resource for mankind, ensuring that salt chemical engineering industry becomes a plurality of compound three-sort products in an industry-chain type: marine organism medical products, seawater element products and salt chemical engineering products from the original single products, cleaning fresh water, achieving the hundred-percent comprehensive utilization to seawater and realizing clean production and zero emission.

The invention belongs to the technical field of information processing and discloses a storage method of a loop chain type n+1 bit parity check code. The storage method comprises the following steps of: firstly, obtaining N original data blocks with the same size by carrying out partition treatment on files to be stored; obtaining redundant data blocks of every two adjacent original data blocks by adopting the traditional parity check coding, and obtaining a data block loop chain arranged by an original database and the redundant data blocks in an alternating mode by arranging the redundant data blocks between two corresponding original data blocks; placing an original data block and a redundant data block in each group of data blocks on different data nodes of a same stand, wherein the original data block and the redundant data block are used as a group i of data blocks, and two adjacent groups of data blocks are arranged on different stands; and when the data blocks in the stored files are damaged, restoring the damaged data blocks by adopting the traditional method of parity check coding and decoding, and obtaining restored data blocks. The invention saves the storage space, lowers the cost, and has high reliability and high efficiency.

The invention relates to the technical field of energy, and in particular relates to a multisource region type cold, heat and electricity combined supply energy network system and method. The system is composed of three parts: a region type cold, heat and electricity combined supply energy station system, an architectural complex cold, heat and electricity combined supply branch system and a multisource energy network system, which are integrated to be an unitized combined supply energy network system, wherein the multisource energy network system is composed of a multisource chain type micro net and a multisource annular heat net; and the energy station can carry out lateral load complementation with an adjacent energy station, and can also carry out longitudinal load regulation and control with the combined supply branch system, so as to realize dynamic complementation and match of cold, heat and electricity load. The system lays stress on sufficient utilization of energy steps and complementary utilization with other energy systems, and simultaneously fully considers the complementation alternative scheme in particular cases; and compared with the traditional system, the system has the advantages that the energy utilization rate, stability and reliability of the system are greatly improved.

The invention discloses an address matching method. A step-by-step progressive matching method is adopted. The method concretely comprises four steps of fast matching, longitude and latitude matching, fuzzy matching and manual judgment, wherein in the fast matching step, high-quality target addresses are subjected to precise matching, and a chain type complementary mechanism is used for proper complementary matching; in the longitude and latitude matching step, the target addresses and adjacent cells are matched according to longitude and latitude information provided by a map service provider; in the fuzzy matching step, a fuzzy index is used for matching the target addresses and similar cells; and a manual judgment mechanism is used for checking and controlling the matching result. The address matching method also comprises an address word segmentation technology and an address matching accuracy confidence index mechanism. The address matching method has the advantages that the matching efficiency is improved under the condition of ensuring the high matching success rate; the problem of multiple-address matching technology composition application is solved; the success rate and the fault tolerance of the address matching are improved to a great degree; and meanwhile, a series of optimization mechanisms are used for ensuring the program running efficiency.

The invention discloses a double-block type sleeper production line and a production process thereof and belongs to the technical field of sleeper processing in high speed railway. The production process includes the following steps: pouring vibration, mould roller bed delivery, pre-kiln-entering mould chain delivery, double-mould simultaneous stacking and kiln entering, pit type maintenance, double-mould automatic jam breaking kiln leaving, post-kiln-leaving mould chain transmission, midair automatic mould turning, automatic demoulding, sleeper automatic transportation, sleeper chain type delivery to stacking area, roller bed delivery, release agent clearing and steel bar truss addition. The production process can reduce production cost, improves processing efficiency and ensures product quality.