584results about How to "Guaranteed order" patented technology

A method for recording and replaying execution of distributed programs on a computer system in a distributed environment, includes identifying an execution order of critical events of a program, generating groups of critical events of the program, wherein for each group, critical events belonging to the group belong to a common execution thread, and generating for each execution thread a logical thread schedule that identifies a sequence of the groups so as to allow deterministically replaying a non-deterministic arrival of stream socket connection requests, a non-deterministic number of bytes received during message reads, and a non-deterministic binding of stream sockets to local ports.

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 invention discloses an intelligent parking lot management method, and belongs to the technical field of parking lot management. The intelligent parking lot management method is characterized by comprising the following steps: dividing the physical space of a parking lot into a plurality of parking areas, and sequentially performing serial numbering on all the parking areas with Arabic numerals, and arranging a parking spot display screen; driving cars to enter the parking areas by drivers according to the green ray prompt of the parking spot display screen and a direction guide display screen, inputting license numbers on a reverse car searching terminal, performing information matching by a management server, feeding pictures of cars and the information of the parking areas where the cars are placed back to the reverse car searching terminal after the matching is completed, and generating the indicating diagrams of the routes from departure points to the packing areas. According to the invention, the systematic framework is greatly simplified, the system construction cost is reduced, the system stability is improved, the rapid parking and reverse car searching are realized, and the method has the characteristics of being high in reverse car searching accuracy, and rapid and convenient in parking.

The invention provides a method for supporting multilink concurrence safety communication between a server and multiple clients and relates to a multilink safety communication method based on a completion port model. The method includes that a main worker thread at a communication server is embedded into an application service of a Windows system to run, a transmission control protocol (TCP) communication server is built according to the completion port model, meanwhile a fixed number of communication interface threads are built to conduct communication with the clients in an asynchronous mode, and the parallel processing capability of the server is improved. In an interaction process, after any client builds the TCP connection, two communication parties must adopt a handshake mechanism to ensure connection legality and adopt connection pool queues or local variables to dynamically maintain message serial numbers in the following data receiving and transmitting process, data transmitted by any party on the legal connection are packaged again according to the data package structure definition, and the receiving party adopts a safety verification algorithm to verify the data packages and regroup the plurality of data packages according to the precedence order of the message serial numbers.

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 method for self-service ordering and clearing. The method comprises the following steps that a client clicks to enter into an ordering interface through a self-service ordering and clearing terminal; the client selects an ordering manner according to demands, and the ordering manner comprises voice ordering and touch ordering; the client orders through the manner of voice ordering or the manner of touch ordering so as to generate a menu, and the menu is displayed through touching a display screen and is broadcasted by voice; the self-service ordering and clearing terminal automatically clear the total expense of the menu; and the client pays the dinning expense, after the payment is finished, the self-service ordering and clearing terminal generates an order, and transmits the order to a front-desk host machine and an order reception device placed on a kitchen through a communication network. According to the method for self-service ordering and clearing, intelligent ordering and self-service clearing are realized by utilizing a plurality of the self-service ordering and clearing terminals, and the operation is simple; the order can be sent to the kitchen through the communication network, so that the ordering efficiency is improved, and the dinning is enabled to be in order; and not only can the voice ordering be realized, but also the touch ordering can be carried out, customers with different physiques can use conveniently, and the range of application is wide.

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 relates to an ordering system and a method and particularly relates to an ordering system and a method for enabling the remote interaction among multiple people. The self-service ordering system comprises a central server. The system further comprises a customer terminal group, a kitchen terminal and a foreground terminal which are connected with the central server. The customer terminal group comprises at least one ordering terminal. All ordering terminals interact with each other through the central server, so that the ordering function is jointly realized by the multiple ordering terminals. Based on the self-service ordering system, a diner has a better experience. Meanwhile, the system is wide in application range and multiple diners can remotely and interactively order meals through intelligent terminals thereof. Therefore, the ordering efficiency is improved and the operation efficiency of a restaurant is improved. Ordering orders are transferred to a kitchen without the help of any waiter, wherein the ordering orders are directly sent to the kitchen through a communication network. In this way, not only the working efficiency is improved, but also the sequence of dining is ensured.

The invention discloses a method for obtaining a large-hole-diameter double-through-hole AAO membrane. The method comprises the following steps that 1, aluminum foil is pretreated, and thus aluminum foil with the surface being as smooth and flat as a mirror is obtained; 2, a large-hole-diameter single-through-hole AAO membrane with an aluminum base and a blocking layer is prepared through a secondary anodic oxidation method, wherein an anodic oxidation electrolyte is a mixed solution of phosphoric acid (with the content being 0.05 M-0.2 M) and sodium oxalate (with the content being 0.01 M-0.03 M); and 3, the aluminum base and the blocking layer of the large-hole-diameter single-through-hole AAO membrane are removed through a corrosion stripping method, wherein aluminum base corrosive liquid is a mixed solution of copper chloride (with the content being 0.1 M-0.15 M) and ferric chloride (with the content being 0.15 M-0.18 M). The method has the advantage that the double-through-hole AAO membrane which is large in hole diameter, orderly in hole arrangement, large in area and good in integrality is obtained.

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 present invention discloses a method for reconstructing an in-orbit function of satellite processing type loads, including the steps as follows: a data transmission is processed between a ground terminal and a satellite terminal; the data reconstruction transmission and a data inputting are processed among satellite system equipment / parts; and the ground terminal real-time controls and monitors the data reconstruction loading control and state through remote control and remote metering information. The method can support an out-of-order transmission and a breakpoint resumption of single satellite and more satellites at the same time so as to efficiently ensure an integrity and validity of the data; and simultaneously, the method supports the data transmission control among equipment and parts of the equipment, and realizes the reconstructing data loading, state monitoring and exception handling by utilizing an existing measurement and control data transmission channel and a protocol of satellite processing equipment.

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.

A uniform feeding and single row sorting device for a multi-channel fruit and vegetable sorting machine, at least including a brush, a feeding conveying device, an anti-clogging push rod and a fruit and vegetable single row sorting device; the brush is installed above the feeding conveying device; the feeding conveying device It includes at least a speed-regulating motor and two or more feeding conveyor belts; the fruit and vegetable single-row sorting device is installed horizontally below the feeding conveyor device and is vertical to it, and each fruit and vegetable single-row sorting device is installed at the same height and equidistance, and its number is the same as The feeding conveyor belts are the same, and the fruit and vegetable single row sorting device at least includes a left conveyor belt and a right conveyor belt arranged in a V shape with different speeds; feed end. The invention has a compact structure, realizes uniform feeding of fruits and vegetables in the multi-channel sorting machine and rapid single-row sorting, can effectively prevent fruits and vegetables from being blocked at the feeding end of the single-row sorting device, and improves the efficiency of fruit and vegetable sorting.

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 discloses a house chore management robot and a task processing method. The task processing method comprises that: A the house chore management robot obtains a planning task assigned by a user, B the house chore management robot generates an execution strategy corresponding to the planning task, and C the house chore management robot controls the corresponding house chore robot to execute the task according to the execution strategy after the task is trigger. The house chore management robot can control a plurality of house chore robots to work cooperatively according to the planning tasks assigned by the user, improves the working efficiency and guarantees the ordering of the task execution.

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 a method for writing data and belongs to the technical field of computers. The method comprises receiving user-process write-request information at least comprising identification of an object file and lengths of data which users expect to write in; modifying offset of a file end of the object file according to the lengths of the data which the users expect to write in; and controlling user processes to write the data which the users expect to write in into the object file. The invention further discloses a device and a system for writing the data. When concurrent data of a plurality of user processes are added, the offset of the file end is pre-modified, a network token is combined, orderliness and correctness of data are achieved when summarization of the concurrent data of the plurality of user processes is operated, consistency of each counterpart version is guaranteed and control procedure processing logic is simplified when counterparts are distributed, physical consistency of a main file and the counterpart is guaranteed through a file server, and loads of modules are balanced.

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.