213results about How to "Ensure order" patented technology

The invention discloses a joint cloud computing environment value exchange-oriented cross-chain communication method, and aims to ensure the security, reliability and high efficiency of a value exchange process. According to the technical scheme, a cross-chain communication system consisting of a cross-chain communication module, a node management module, a verification module and an accounting module is installed in each user node on each block chain; a midchain is established; a route node is selected from the midchain; value transfer and communication between chains are finished by the route node; the cross-chain communication module of a sender constructs a fund pool for the sender, a receiver and the route node, and performs fund transfer according to a fund transfer scheme; the verification module of the receiver verifies the effectiveness and availability of funds of the sender by adopting a smart contract; the accounting module of the receiver broadcasts a transaction result; and the sender, the receiver and the MidChain generate new blocks for storing transaction data. By adopting the method, the security, reliability and high efficiency of the value exchange process can be ensured; and seamless cross-chain communication between the chains is realized.

The invention relates to the field of cloud storage, and discloses a method and a device for data synchronization based on a cluster server system. The method comprises the steps of dynamically electing a master node, and notifying the master node to process in a cluster after worker nodes receive a task, thereby effectively ensuring the data consistency, avoiding mutual exclusion and synchronization between processes of the nodes at the same time, and reducing the system overhead. According to the invention, the cluster server system comprises at least one cluster, the cluster comprises at least three nodes, and the method for data synchronization based on the cluster server system comprises the steps that one node in the cluster is dynamically elected as the master node, and the other nodes act as the worker nodes; if the worker nodes receive a task request, the other nodes in the cluster are notified to process the task; each of the other nodes in the cluster judges whether the node itself is the master node or not after receiving the notice; and if the node is the master node, the master node processes the task and feeds back a processing result.

The invention discloses a centerless license chain parallel fragmenting method and a transaction method. The fragmenting method comprises the following steps: establishing a fragment administrator group based on a basis permission system of the license chain, wherein the fragment administrator group is responsible for an adding operation, a deleting operation and a broadcast notification operation of the fragment, enabling the fragment to obtain the node information of other latest fragment, and establishing an overall configuration fragment, taking other fragments as a read-only full node of the configuration fragment so as to directly read the data of the configuration fragment to participate into the computation in own fragment. A user of a source fragment can sends a native cross-fragment transaction and a derivative cross-fragment transaction, and randomly appoints a node to take charge of the sending of the cross-fragment transaction, and a node of a target fragment sends a response message after completely executing the cross-fragment transaction. An overtime resending mechanism is provided for the sending of the cross-fragment transaction. The orderliness and the security of the cross-fragment transaction transmission are guaranteed thorugh the Merkel Tree, Tree Proof, preorder height, signature data and other information by use of the transaction method disclosed by the invention.

The invention discloses a communication method between a real-time operating system and a non-real-time operating system on a multi-core processor. The method comprises the following steps that firstly, the length of information of each frame and the capacity of the shared memory are statically configured; secondly, the shared memory is divided into a buffer area for synchronous messages and a queue for asynchronous messages, a progress of processing the messages is established for the real-time operating system and the non-real-time operating system, and internuclear interruption is registered on the multi-core processor; thirdly, the operating systems are communicated, the operating system sending the messages stores the messages into the corresponding part in the shared memory, the internuclear interruption is triggered, the operating system receiving the messages responds to the internuclear interruption, the messages are copied from the shared memory, the feedback is sent to the operating system sending the messages, and communication is finished. According to the communication method, the communication mode adopted in the messages is set in advance, a unified mapping table is not needed, and the progress can be managed conveniently.

A hybrid document automation system manages a hybrid printing job, such as PostScript (PS) job with a mix of color and monochrome (B/W) sheets containing variable data. The print job may contain any number of sets, each differing in size and ratio of color and B/W sheets. The system includes a color printer, a monochrome printer, a print manager, a splitter for separating color pages from monochrome pages in the print job and automatic jam recovery. A graphical user interface (GUI) may be provided to give a user/operator information on the status of the print job. The system may also include a document integrity system for insuring the correct output of the merged color and monochrome pages.

The embodiment of the invention provides a method and a device for storing data. The method comprises the following steps: matching a fingerprint of each data block of a to-be-stored file with a fingerprint in a fingerprint database to obtain a corresponding backup data block; deleting repeated data of the to-be-stored file according to the backup data block, and performing status identification to the backup data block; and performing recovery process to the backup data block according to the status identification of the backup data block.

The invention provides a click farming detecting method based on a user behavior data characteristic and a system thereof. The method comprises the steps of acquiring transaction behavior informationof a current to-be-detected transaction, wherein the transaction behavior information comprises a multidimensional behavior characteristic attribute; inputting the traction behavior information into apre-established big data outlier prediction model, extracting the behavior characteristic attribute of the outlier in the current to-be-detected transaction, and determining a fact that a corresponding traction behavior is an abnormal transaction behavior; for aiming at behavior characteristic attribute of each outlier of the abnormal transaction behavior, acquiring a decision tree which is constructed based on the behavior characteristic attribute that corresponds with the outlier, thereby determining whether the abnormal transaction behavior is a click farming behavior. The click farming detecting method effectively prevents defects such as relatively low identification rate and easy failure in coping with more and more professional click farming tools by existing click farming preventing modes based on order sales statistics or simple rules.

The invention belongs to the technical field of micro and nano fibers prepared by electrostatic spinning, and relates to a method for preparing a conductive polymer micro and nano fiber array of an ordered coaxial structure by adopting a rotary disk collecting electrostatic spinning technology, in particular to a method for preparing ordered coaxial structural micro and nano fibers. The method comprises the following steps of: covering a flexible plastic substrate with a rectangular slit shape on a collector of a rotary disk type electrostatic spinning device, and obtaining ordered micro and nano fibers by using transverse relative motion of the collector and high-speed moving electro-spun fibers; and treating the ordered micro and nano fibers serving as a template by a chemical wet method, wrapping a layer of conductive polymer on the surface of the fiber template by in-situ polymerization, and thus obtaining the conductive polymer micro and nano composite fibers of the ordered coaxial structure. The method is high in ordered arrangement degree of the fibers, simple in process, reliable in principle and easy to operate; and the fibers have high electric conductivity and wide application range.

The invention discloses a parking space booking system capable of automatically recognizing vehicles. After receiving a parking space booking request, a control unit obtains target vehicle license plate information acquired by an operation module, analyzes detected results of a parking space detecting unit, distributes one parking space for a target vehicle as a specified parking space, and sends parking space information of the specified parking space to a display module; the control unit is used for bonding parking space information of the specified parking space with license plate information of the target vehicle, obtaining license plate information acquired by a recognizing module on the specified parking space, comparing the acquired license plate information with the license plate information of the target vehicle, and controlling a locking module on the specified parking space to unlock in an injunctive manner when the acquired license plate information is the same with license plate information of the target vehicle; and when the acquired license plate information is different from license plate information of the target vehicle, the control unit is used for controlling the locking module on the specified parking space to keep a locking state in the injunctive manner.

The invention discloses an overall situation primary key generation method and system under a distributed database and relates to the field of databases. According to the overall situation primary key generation method and system under the distributed database, through the building of a primary key server cluster, a main primary server in the cluster performs sorting on a plurality of primary key application requests and synchronizes results to other primary key servers in the cluster, primary key generation is separately executed by a plurality of key servers in the cluster, and all the primary key servers generate an overall primary key based on the synchronous primary key application requests. So that the strong consistency of the primary key is maintained, the orderliness and the continuity of the overall primary key are guaranteed, and meanwhile the problems of the single point of failure and the performance bottleneck of the primary key generation can be avoided.

The invention discloses a flight airport scene operation optimization method considering runway port waiting time and belongs to the flight airport scene optimization technology field. The method comprises the following steps of firstly, establishing a MAGMO model and simultaneously optimizing slipping time and runway port waiting takeoff time; then, designing an RSS strategy so as to distribute paths for all the flights and distributing launch time for a departing flight; simultaneously, according to a waiting node, distributing a strategy HNAS, selecting the mode in the path for the flight and distributing waiting time so as to obtain an optimal solution to double target airport scene optimization. Priorities of the flights, fairness among flights and an influence to environment are fully considered, and safety, orderliness and high efficiency of a scene flight flow are ensured. By using the method of the invention, safety of the whole flights can be increased and flight conflicts can be effectively avoided to some extent. Simultaneously a potential safety hazard, fuel oil consumption and environment pollution brought by long time waiting of a lot of flights can be prevented.

The invention relates to the field of electronic communication, discloses a dual-mode device and a synchronous communication realizing method thereof. The dual-mode device is equipped with a dual-mode protocol stack scheduling mechanism; the mechanism is used for uniformly scheduling the transmission events of a Bluetooth protocol stack and a ZigBee protocol stack. The method comprises following steps: taking the dual-mode device as a slave device to finish pairing with a Bluetooth master device; after taking the dual-mode device as a control device to pair with a ZigBee target device, maintaining Bluetooth connection by the dual-mode device according to a preset interval; and processing information exchange with the ZigBee target device by the dual-mode device in every Bluetooth connection interval. Compared with the prior art, in adoption of the device and the method provided by the invention, intelligent devices support two kinds of communication protocols; the interaction between the intelligent devices using two different wireless standards is realized; and the communication efficiency of a network simultaneously equipped with the Bluetooth and ZigBee devices is greatly improved.

The invention relates to a multi-server stream pushing method of a live broadcast application program. The method comprises the following steps: starting an OBS application program; configuring plug flow parameters; judging whether to push streams to a plurality of live broadcast servers at the same time based on the received input; when judging that the streams are pushed to the plurality of livebroadcast servers, adding a plurality of addresses respectively corresponding to the plurality of live broadcast servers into the OBS application program, and inputting a plurality of corresponding stream keys into the OBS application program; when judging that the stream is pushed to one live broadcast server, an address corresponding to the live broadcast server is added to the OBS applicationprogram, and a stream key is input to the OBS application program; when the stream pushing function of the OBS application program is activated, testing whether stream pulling of the live broadcast server subjected to stream pushing is normal or not and if the live broadcast server of the pushed stream pulls the stream normally, converting the current live broadcast video data of the anchor into asingle OBS stream and sending the single OBS stream to the live broadcast server of the pushed stream. According to the invention, local system resources can be saved, and the video production process is simplified.

The method includes steps: seeking signaling brings maximal reverse signaling number and report mode at network side to base station and terminal; group information update flow brings sequence number of terminal determined by network side in advance to terminal; base station brings reverse response time and reverse signaling time slot of base station to terminal; based on these parameters, terminal calculates out own report period, and report time point, and sends report signaling in report mode to network side; after receiving the report signaling, network side setup state of member as busy, and then, carrying out charging. In traditional group calling of clustering communication system, the invention guarantees accuracy of member state on network side effectively by the disclosed method that terminal side makes reporting member state to network side and calculating report time point.

The invention provides an identification method of corns for seed on the basis of high resolution remote sensing data texture analysis. The method comprises the following steps of: obtaining the moderate-resolution remote sensing image of a corn in a whole growth period and the high-resolution remote sensing image of the corn in a tasseling stage in a target detection zone; preprocessing the remote sensing images; according to the enhanced vegetation index of the preprocessed moderate-resolution remote sensing image in the growth period, identifying all corn fields in the target detection region; and extracting the texture information of all corn fields in the preprocessed high-resolution remote sensing image in the tasseling stage, and identifying the corn fields of the corns for seed in all corn fields. The non-artificial distinguishing of the corns for seed and corns which are planted in lands for growing field crops is realized, the identification method has an accurate, quick and reliable identification result, the corn fields of the corns for seed can be effectively monitored so as to effectively forbid illegal seed production behaviors including secret breeding, excessive manufacture and the like which aim at corns, and the order of a corn planting industry is guaranteed.

The invention relates to the technical field of gears, in particular to a gear with an oil sac and a self-lubricating function. The gear comprises a gear body comprising a gear face. The outer periphery of the gear face is evenly provided with a plurality of outer gear teeth. The inner side of the outer periphery of the gear face is provided with a circular gear groove. The inner side of the circular gear groove of the gear face is provided with a circular cavity sac. The middle of each outer gear tooth on the outer periphery of the gear face is provided with a vertical channel communicated with the circular gear groove. The outer peripheral wall of the circular cavity sac is provided with a plurality of pores communicated with the circular gear groove. The gear is simple in structure; materials can be saved; lubricating oil is driven to seep to outer gear tooth grooves by rotation of the gear, the gear is lubricated accordingly, less maintenance is required, and normal orderly production is guaranteed.

Under circumstances where each of a plurality of servers controls print jobs submitted to at least one output apparatus, jobs intended for the same printer are submitted to the output apparatus in the order of requests made by a user. If there is a print server performing print processing for a printer specified as the submission destination of a print job, the print server is instructed to execute printing. Consequently, under circumstances where each of plural print servers controls print jobs submitted to printers, print jobs intended for the same printer can be submitted to the printer in the order of requests made by client PCs.

This invention relates to codes device electron monitor system and method, wherein, the device is added with electron label composed of coded device relative information; the information is identified and read by electron label reader; the finger print identification device collects authorization monitor information to fulfill characteristics storage and class authorization and to establish one to one management relationship between electron label and monitor; in coded device use or sending process, when the coded device goes through monitor channel, the system can automatically indicate portable person to transfer finger print.

Embodiments of the present invention disclose an information processing method and device. The method comprises: generating a serial task queue corresponding to a gift delivery task; monitoring a request of a gift delivery task triggered by a user, and when the request of the gift delivery task is monitored, adding the gift delivery task to the serial task queue in an asynchronous manner; and according to the serial task queue, taking out to-be-executed gift delivery tasks in order, and executing the gift delivery tasks in a scoket manner. According to the method and device disclosed by the embodiments of the present invention, processing of high concurrent events can be excellently supported, and overall performance of systems can be improved, and user experience can be enhanced.

The invention discloses a method for accessing sqlite safely by multiple processes, which comprises the following steps: A, accessing of a database is divided into a read thread, a write thread and afile thread; B, the process in the step A queries the state of the database lock before accessing the database, if the database is locked, the thread preparing to access the database is in a waiting state, and after the lock is released, the thread preparing to access the database obtains the control right of the lock to operate on the database; C, the thread adopts the first-come-first-served principle to obtain the locks, after the operation of the thread to the database is completed, the locks are released, other thread obtains the lock state at this time and then operates on the database.The invention can improve the shortage of the prior art, creates an independent database access channel, solves the problem of concurrent access of the database, and avoids the situation that the database lock cannot be accessed.

The invention relates to the field of computer image processing, and discloses a triangularization method of a polygon in computer image processing and a system using the same. Triangles are built in an effective area on a current scanning line communicated with a vertex, unnecessary segmentation of the triangles is reduced, the triangles are small in number and large in size, calculation quantity is greatly reduced, efficiency of follow-up image processing on the basis of the triangles is relatively high, sequentiality of a lower table of the vertex and the sequentiality of the vertex guarantee the sequentiality of a mobile edge, then intersections are sequenced, and the calculation quantity is further reduced. Meanwhile, an odd-even filling principle and a non zero filling principle are used, and fast sorting is used on the vertex of the polygon so that moving of memory data in a memory is minimum, and the efficiency of the image processing is improved.

The invention belongs to the internet technology field, and discloses an internet-based smart logistics management system. The system includes a smart home end, a smart city end, a smart logistics endand a smart payment end. The smart logistics end includes an entrance place, a signal lamp, a weighbridge, a tag, induction coils, a railing, a signal base station, a recognizer, a control main-body,a wire, a computer and a printer. The signal lamp is arranged at a right side of the entrance place. The weighbridge is arranged at a lower part of the entrance place. The tag is arranged at a lowerpart of the weighbridge. The induction coils are arranged at a lower part of the tag. The railing is arranged at a lower part of the induction coils. The signal base station is arranged at a right side of the signal lamp. The recognizer is arranged at a right side of the tag. According to the system, remote control and monitoring functions of a digital home can be realized through a mobile client,sequential delivery capability of goods can be improved by a smart city-based Internet-of-things transport manner, and information acquisition in a city management process is higher in efficiency andis lower in costs.

A working process of a content delivery network (CND) comprises that when a user visits a website which has joined in a CDN service, an optimum CDN nodal point which is closest to the user is determined by using a CDN re-direction technique and request of the user is enabled to point to the nodal joint. When a nodal point of the user arrives at the designated nodal point, a server (cache of the nodal point) of the CDN is responsible for providing content which the user requests for the user, namely that the user inputs the realm name of a website which the user visits on a browser of the user, the browser requests a local DNS to analyze the realm name, the local DSN sends the request to a main DNS of the website, the main DNS determines the optimum CDN nodal point at that moment by adopting a series of strategies and sends an analyzing result (internet protocol (IP) address) to the user and the user asks the designated CDN nodal point for the content of the corresponding website. The CDN system is capable of sending the content to the user in a high-efficiency way by judging user accessibility and server load. A good service can be provided for the user.

A damping device comprises a first working interface for connecting to a load of a working machine, and an accumulator interface for connecting to a hydraulic accumulator. A main valve with at least a first switching position and a second switching position is provided. In the first switching position, a connection from the first working interface to the accumulator interface is opened, so that the attenuation is disabled. In the second switching position, the connection is opened in both directions, so that the attenuation is turned on. Further, a control valve is provided, by which the main valve can be switched hydraulically to the second switching position, and the attenuation can be turned on and off again. The damping device has a discharge valve, which is connected to the control valve, the first working interface and the accumulator interface in such a manner that after the operation of the control valve, the hydraulic accumulator can be partially discharged by the discharge valve when the pressure at the accumulator interface is greater than that at the first working interface. The pressure is discharged or reduced in such a manner that the discharge valve opens a connection from the accumulator interface to a discharge port or a tank interface of the damping device.

The invention discloses a loading device of sleeve piece appearance detecting equipment. The loading device is characterized by comprising a frame (2), a loading conveying mechanism for conveying sleeves (1) from bottom to top, a transverse moving mechanism for transversely arranging the sleeves (1) in sequence, a pushing mechanism for horizontally pushing the transversely arranged sleeves (1), and a turnover mechanism for overturning the sleeves (1) to be in a vertical state; all the mechanisms are connected to the frame (2); the discharge end of the loading conveying mechanism communicates with a feeding end of the transverse moving mechanism; the turnover mechanism is positioned on one side of the transverse moving mechanism; and the pushing mechanism is positioned on the other side of the transverse moving mechanism. After the structure is adopted, the wrong detection and the missing detection are prevented, and the production efficiency can be greatly improved.

The invention discloses an intelligent chess piece sorting system. The intelligent chess piece sorting system comprises a box body; a C-shaped cylinder is arranged at the bottom in the box body; a sorting fixed disc which is positioned in the middle of the C-shaped cylinder and a sorting rotatable disc which is positioned above the sorting fixed disc and is rotatably connected with the sorting fixed disc are arranged in the C-shaped cylinder; a partition plate which is positioned above the sorting rotatable disc is arranged between the two sides of the C-shaped cylinder; the upper surface of the sorting rotatable disc is partitioned into a material receiving area and a material falling area by the partition plate, and the material receiving area is positioned in the C-shaped cylinder; a plurality of sorting through holes I which are distributed uniformly circumferentially are formed in the sorting rotatable plate, and each first sorting through hole can accommodate a chess piece whichis distributed horizontally; sorting through holes II which are positioned below the material falling area are formed in the sorting fixed disc; the system also comprises a chess piece receiving discwhich is positioned above the material receiving area; the lower surface of the chess piece receiving disc is connected with a partition layer which is provided with at least one vertical material falling hole; the upper end of each vertical material falling hole communicates with the bottom of the chess piece receiving disc; and the system also comprises a black/white chess piece sorting mechanism which is positioned below the sorting through holes II.