584results about How to "Guaranteed order" patented technology

The invention relates to a system and a method for open intelligent management of a laboratory. The system comprises a server and a client, wherein the server comprises a university level platform node server and a plurality of college level platform node servers; the university level platform node server performs data communication with a university shared data base through a data communication module and a synchronous module, and performs data communication with the college level platform node servers through the data communication module; the client is connected with the server through a campus network inside a university and through the INTERNET outside the university; and the client comprises a laboratory management control system and an intelligent laboratory management system. The method comprises the management of experiments or experiment courses specified in a teaching program and the management of open experiments or equipment usage outside the teaching program. According to the invention, all-day open of the laboratory can be realized, and the working efficiency of laboratory management personnel can be greatly improved.

The present invention discloses a load sharing method of presetting a weighting value for message transmission information pointing to message transmitting interface. The method comprises the steps as follows: acquiring statistics information transmitted in the data flow; renewing the weighting value of the message transmission information according to the statistics information; ensuring the connector to share the load when the load is sure to be shared when transmitting the data flow; choosing the exit interface to transmit the data flow according to the weighting value corresponding with the message transmission information of the exit connector; transmitting the data flow from the exit connector. The present invention also discloses an exchange device in the network. The present invention comprises a weighting transmission manage unit, an exit connector choosing unit and a data flow transmission unit. The present invention can ensure the orderly transmission of the message and ensure the accurate load share.

The invention discloses a video monitoring intelligent early-warning system and a video monitoring intelligent early-warning method on the basis of target space relation constraint. The system comprises a video acquisition module, a target component intelligent analysis functional module, a video content visual analysis module, a general behavior rule sample database and an alarm module. On the basis of behavior comprehension on target components, aiming at spatial correlation between targets, the system carries out behavior characteristic analysis, evolution and classification, establishes a spatial correlation mode sample library, implements detection and identification on abnormal behaviors, can more effectively and accurately carry out identification and judgment on emergencies and can lock an abnormity trigger point to provide evidence for post-mordem forensics. The system introduces target space relation constraint, divides a video scene region to complete defining related concepts of the target components of a video, eliminates a certain fuzziness and faults in space semantic information, solves the problems of incompletion and inaccuracy in video content analysis and is more accurate and more efficient to detect abnormal events in a video monitoring range.

The invention relates to a rapid behavior identification method and system. According to the method, during the training process, a feature extraction algorithm with low computation complexity is used and dimensionality reduction and normalization are carried out on an obtained feature matrix by using various dimensionality reduction ways, thereby reducing the processing time. During the identification process, a captured video is processed by using an algorithm identical with that applied to the training process; and then the processed video is placed into a model obtained by training to carry out detection and identification. In addition, the system is composed of a video acquisition module, an off-line learning module, a behavior identification module, a multi-thread processing module and a video display module. With a sliding window mechanism, a video captured in real time is processed into a plurality of video clips; and each video clip is processed during behavior identification to guarantee real-time updating of an identification result. Meanwhile, multi-thread processing is carried out on the feature extraction and feature coding process with high computation complexity to guarantee the real-time property of processing identification, so that behaviors occurring in the video can be identified and display visually, rapidly and accurately. The operation is convenient and convenient extension can be realized.

The application discloses a method and a device for generating unique identifier of database record; wherein the method comprises the following steps: acquiring system time; generating a time character string according to the system time; generating random character string; splicing the time character string and the random character string into a unique identifier, wherein the time character string is positioned at the beginning of the unique identifier; and the unique identifier is distributed to a data table to be a primary key of the data table. In the embodiment of the application, the technical proposal of splicing the generated time character string and the random character string into the unique identifier and arranging the time character string at the beginning of the unique identifier solves the problem that the uniqueness and the order of the unique identifier can not be realized at the same time, thereby ensuring the uniqueness and the order of the identifier at the same time.

The invention discloses a method and device for executing I/O request cache based on disk, suaitable for an SAN storage device with a plurality of disks. The methods includes: establishing an I/O request cache queue for each disk of the storage device, and recordign the address mapping relations between the logical volume and the disks; when the client I/O request is received, executing the following steps: extracting the logical volume carried by the I/O request and the address of the logical volume, finding to obtain the corresponding disk and disk address according to the recorded address mapping relations, and inserting the I/O request into the I/O request cache queue of the disk according to the preset disk address ordering method. The present invention also discloses an SAN storage device. The invention, to a certain extent, ensures the order of the I/O request disk processing; improves the I/O processing capability of the disk interface; improved performance of the storage devices.

The invention provides a consensus algorithm optimized by SDN. The SDN is used to design a network layer, orderliness of data transmission is ensured, design of an algorithm in an application layer is simplified, and improved Raft is higher in response speed. According to the consensus algorithm in which Raft serves as a private chain, operation resource waste of consensus algorithms as PoW is avoided, block generating time is shortened, and efficiency of a consensus mechanism and the number of tractions that can be processed in unit time are improved greatly.

The invention discloses a data synchronization method, which comprises the following steps: obtaining to-be-synchronized data in a source database, and generating a first data change message for the to-be-synchronized data; determining a message theme of the first data change message according to a database table to which the to-be-synchronized data belongs in the source database; Pushing the first data change message into a first message queue which only comprises one partition and corresponds to the message theme according to the message theme; when a trigger condition is met, distributing the first data change message in the first message queue to a first partition of a second message queue according to a preset partition strategy; wherein the second message queue is used for the data synchronization unit to obtain the data change message and synchronize the to-be-synchronized data to the target database according to the data change message. The problem of how to more accurately andquickly synchronize the change data of the source database to the target database is solved.

The invention relates to a security robot, and belongs to the technical field of security robots. The security robot comprises a shell, a base plate, wheels, a front-wheel damping wrist set structure,a key grouping and locking structure, a multi-degree-of-freedom telescopic structure, a heat-dissipation system and a controller. According to the security robot, automatic monitoring can be achieved, and monitoring information can be transmitted in real time; all switches of a key box are effectively grouped, so that management is facilitated, and disorder of keys is effectively avoided; by adoption of the structural design of the front dual-damping wrist set structure, effective damping can be achieved, and steering is easy; through a multi-degree-of-freedom lifting adjustment structure, multi-degree-of-freedom adjustment of a camera of the security robot can be achieved, different work requirements are met, and patrolling information is effectively synchronized; and through the structural design of the circulating heat-dissipation system, the stability of the temperature and humidity of the internal environment of the security robot can be ensured, and the heat-dissipation efficiency is improved.

The invention discloses a high-nickel lithium ion positive electrode material. The molecular formula is LiNi<x>Co<y>Mn<1-x-y-z>M<z>O2, wherein M is a doping element, the lithium ion positive electrodematerial is spherical secondary particle formed by gathering primary particle, and the structure of the lithium ion positive electrode material is a homogeneous-phase structure, a core-shell structure and a concentration gradient structure. The preparation method of the lithium ion positive electrode material comprises the steps of preparing a high-nickel positive electrode material precursor andpreparing the lithium ion secondary battery positive electrode. The precursor of the high-nickel positive electrode material is synthesized by a co-precipitation method, uniform mixing of elements can be facilitated, reaction can be more sufficient by adding the aging process, and morphology control is facilitated; and with the adoption of multi-element co-doping, the stability of a material crystal structure can be improved, the content of a Mn element is reduced, other doping elements are introduced, the lithium and nickel mixed arrangement degree of the high-nickel positive electrode material can be reduced, the orderliness of a layered material is ensured, the structure of the material is stabilized, the discharging specific capacity is improved, so that the energy density of the battery is improved.

The invention provides a video data transmission method, device and system. The method comprises the following steps: determining a frame type of a current to-be-transmitted video frame by a sending end, and sending the video frame to a receiving end; when the frame type of the video frame is determined as an I frame, receiving a feedback message of receiving condition of the I frame returned by the receiving end; performing corresponding operation processing on the I frame according to the feedback message until the receiving end returns a feedback message indicating the reception of the I frame, sending the next frame of the video frame to the receiving end, wherein the operation processing comprises: deleting the I frame from an I frame transcript chain table, or sending the I frame to the receiving end again. In the video data transmission method, device and system provided by the embodiment of the invention, on the basis of the non-connection transmission protocol, a reliable data transmission mechanism is adopted for the I frame so as to ensure the regularity and the integrity of the key frame of the I frame on the premise of guaranteeing the delivery rate of the video data transmission, and relieve the phenomena of smearing and blurred screen in a video playing process in the case of instability of a current network.

The invention provides a novel CANBUS network control method for integrated automotive electronic device CANBUS network, and relates to an integrated automotive network topology structure, a network management policy, network management and ID allocation. The system comprises a high-speed CAN bus and a plurality of CAN nodes electric control unit connected with the CAN bus, and is characterized in that the insides of the CAN node electric control units at utmost two ends of the high-speed CAN bus are connected with two serially-connected terminal resistors respectively; the system controls the initialized time and temporary time leaving the bus of each CAN node control unit; nodes are divided into main nodes, +30 nodes and +15 nodes; when +15 wires are not electrified, CANS of all +15 nodes do not work; when the +15 wires are electrified, all the +15 nodes are waken up; and under the condition that the +30 wires are electrified and the +15 wires are not electrified, the main nodes can wake up a CAN bus of +30 nodes. In the invention, an automotive network topology graph has strong expandability and flexibility, so as to meet the diversity of the same series automobile type configuration; and a network managing mode ensures the reduced integrated automobile static current and the real-time and order of the integrated automotive network. The ID allocation mode makes the utilization rate of the network maximized, and guarantees the high efficiency and the real-time of transmission information, and reduces the network load factor.

The invention belongs to the technical field of block chains, and discloses a cross-chain interoperation system and method, a medium and a data processing terminal, the cross-chain interoperation system comprises a relay alliance chain, a cross-chain gateway, a CCIP protocol and an application chain; the relay alliance chain is a center of the whole cross-chain system and is responsible for management of an application chain and users thereof and management of cross-chain transactions; the cross-chain gateway serves as an intermediate routing node, is used for communicating the application chain with the relay alliance chain, and has a protocol conversion function; the CCIP protocol is used for message transmission between the relay alliance chain and the application chain; and the application chain is a block chain platform participating in cross-chain interaction, and a public chain, the alliance chain and a private chain can participate in the cross-chain system. The blockchain cross-chain interoperation system based on alliance autonomy provided by the invention provides a safe, reliable and efficient universal platform for interaction requirements between different blockchains, and has advanced technical significance and wide application value.

The invention discloses a dispatching method for test tasks. The dispatching method comprises the following steps: setting a certain amount of test task queues and assigning a priority scope of queuing test tasks to each test task queue; adding the test tasks into the corresponding test task queue according to the priority scope; while dispatching the test tasks, taking the test task with the highest priority from all the test tasks as a to-be-switched task; after dispatching the test tasks, acquiring the new priorities of all the test tasks according to the current priorities of the test tasks, the latest priority updating time, the required execution time and the priority weight of the test task queue thereof; adding to the corresponding test task queue according to the new priorities of all the test tasks. According to the method provided by the invention, the fairness and the sequence of the test task dispatching are ensured, the efficiency of organizing the test task queues is improved and the serial dispatching and the parallel dispatching of the test tasks are supported.

The invention provides an Ethernet bridge or router comprising a network fabric adapted to provide interconnectivity to a plurality of Ethernet ports, each of the Ethernet ports being adapted to receive and/or transmit Ethernet frames, and wherein the Ethernet bridge or router further comprises an encapsulator connected to receive Ethernet Protocol Data Units from the Ethernet ports, wherein the encapsulator is operable to generate a Fabric Protocol Data Unit from a received Ethernet Protocol Data Unit, the Fabric Protocol Data Unit comprising a header portion, and a payload portion which comprises the Ethernet Protocol Data Unit concerned, and wherein the encapsulator is operable to transform Ethernet destination address information from the Ethernet Protocol Data Unit into a routing definition for the network fabric, and to include this routing definition in the header portion of the Fabric Protocol Data Unit. Also provided is a method of data delivery across a network.

The invention provides a novel CANBUS network control system for an integrated automotive electronic device, and relates to an integrated automotive network topology structure, a network management policy, network management and ID allocation. The system comprises a high-speed CAN bus and a plurality of CAN nodes electric control unit connected with the CAN bus, and is characterized in that the insides of the CAN node electric control units at utmost two ends of the high-speed CAN bus are connected with two serially-connected terminal resistors respectively; the system controls the initialized time and temporary time leaving the bus of each CAN node control unit; nodes are divided into main nodes, +30 nodes and +15 nodes; when +15 wires are not electrified, CANs of all +15 nodes do not work; when the +15 wires are electrified, all the +15 nodes are waken up; and under the condition that the +30 wires are electrified and the +15 wires are not electrified, the main nodes can wake up a CAN bus of +30 nodes. In the invention, an automotive network topology graph has strong expandability and flexibility, so as to meet the diversity of the same series automobile type configuration; and a network managing mode ensures the reduced integrated automobile static current and the real-time and order of the integrated automotive network. The ID allocation mode makes the utilization rate of the network maximized, and guarantees the high efficiency and the real-time of transmission information, and reduces the network load factor.

The invention discloses a multi-language text automatic broadcast method and system. According to the method, language identification is performed on a multi-language text to be broadcasted, and text fields corresponding to multiple languages are respectively acquired; the start and end points of each text field are respectively identified so as to obtain language identifiers; and the corresponding sound broadcast type of each language is correspondingly called according to the language identifiers, and all the text fields are broadcasted in turn. The system is provided with a character identification module and a voice broadcast module. The method and the system are intelligent and flexible so that rapid and accurate automatic identification and broadcasting of the multi-language text can be realized, and the situation of omitting language information in identifying the multi-language text can be avoided.

The invention provides a six-traction device space debris net capture system which adopts level-1 launch and mass blocks synchronization launch and concentric circles rope net folding and receiving. The system comprises a launch subsystem which is composed of a launcher, a net hold, a cushioning device and a tether tension control device; a fly net subsystem which is composed of a rope net and mass blocks; the launcher is used for pushing the mass blocks at a predetermined distance from a target at a predetermined angle and to drive the rope net be pulled from the center of the net hold while unfolding to a fully unfolded state to capture the target after reaching the target location; the mass blocks are used for dragging the rope net so that the rope net is pulled out and unfolded and the net opening is tightened up to complete capture of the target; the number of the mass blocks is at least three and six mass blocks are adopted through optimized analysis; the tether tension control device is connected with the fly net subsystem and with the target through the rope net to pull the captured target off the track; the rope net is encapsulated in the net hold in a concentric circles package and is used to form sufficient coverage to completely surround the target.

The invention discloses an operation simulation method, device and equipment suitable for an electric spot market. The method comprises the steps of opetating a case; setting a scene-oriented corresponding to the case; configuring market transaction parameters; selecting and importing basic data and operation data used for simulation into the electric spot market simulation system, and generatingsimulation boundary conditions; issuing electric power market operation information on the electric power spot market simulation system; obtaining transaction application information; performing simulation calculation of the electric power market according to the oriented scene corresponding to the case, the market transaction parameter, the simulation boundary condition and the transaction application information to obtain a simulation result; And the simulation result is evaluated and analyzed, and obtaining evaluation and analysis data of the electric spot market. The method is suitable forthe operation simulation analysis of the electric spot market, and is beneficial to reducing the decision and implementation risk of the electric spot market.