41results about How to "Join flexible" patented technology

The invention discloses a commodity tracing method and system based on blockchains. The method includes: a plurality of equivalent service nodes form a decentralized service network used for recordinga detailed process of circulation of commodity tracing codes as block data; and production enterprises, and dealers and retailers at all levels are regarded as different categories of user nodes connected to a service platform, tracing code data related thereof is obtained and saved, and related business operations are performed. Each commodity is endowed with a unique commodity tracing code, when the commodity is circulated between the dealers, the tracing code data is circulated between the user nodes of the dealers, the circulation process of the commodity tracing codes is traced, and thetracking of the commodity circulation process is accomplished. The system is used for implementing the method. The method and the system are advantageous in that the principle is simple, the operationis simple, and the problem of commodity tracing can be basically solved.

The invention belongs to the technical field of block chains, and discloses a distributed parking sharing system based on a block chain and an implementation method. the distributed parking sharing system based on the block chain comprises a block chain layer and a service layer; The block chain layer is used for defining business models of various parking related services by using an intelligentcontract and Operating in a transparent and trusted manner through the smart contract; Parking lot reservation and parking service transaction records of the smart contract are collected and packagedinto a data block in a block chain network; a data block is generated and a block chain account book is managed through a PoC (Point of Credit) based consensus protocol; And the service layer is usedfor providing a service interface through a distributed application program (DApps). The problem that urban parking is difficult is solved; A prototype system is established to verify the system, anda result shows that the new scheme provided by the invention can effectively realize parking resource sharing and service.

The invention discloses a multi-person voice video call method based on WebRTC, and the method comprises the following steps: enabling users to send multiple call requests at the same time through specifying connection room number Room IDs and room sizes; finally achieving the multi-person voice video call through the building of P2P connection between each two users. A communication mechanism based on WebRTC enables a system to be flexible in operation, to be quick in response and to be low in delay. A series of signal exchange and SDP negotiation is needed in the P2P connection building process. Faced with a complex network environment, the mature NAT penetrating technology can enable the users in different local area networks to communicate with each other directly. Based on the development of an Android platform, the method can be applied to various types of mobile equipment more widely, improves the applicability and flexibility, and is suitable for a small-scale multi-person voice video call.

The invention provides a grid visit control method based on an extendible markup language security policy, which aims at solving the problems of dynamics and span of different security domains in the grid calculation visit control process. The method comprises the following methods: limiting security domains on roles; defining the role inheriting relationship between different security domains; attaching the roles of the self domain to the roles of other domains through the authorized agency service to establish the role inheriting relationship between the domains; and giving corresponding resolutions for possibly meeting role inheriting relationship conflicts. The invention carries out the extension on the basis of a standard RBAC model, and gives a role visit control model based on the context through introducing two context mechanisms: main events and object events, the model can realize the dynamic authorization process, and formally describes the concrete realization process of the role state change caused by the main events and the permission state change caused by the object events, and at the same time, the analysis on the consistency in the state conversion process shows that the model maintains the consistency in the state conversion process.

The invention discloses an Emin view mobile commercial platform system which comprises a smart phone terminal, a cloud server and an external management device. The smart phone terminal completes data entry and data operation result show, and interacts with the cloud server through an internet. The internet is a wireless network. The cloud server centralizes a variety of resources, can provide the complex operations and business processing of cloud computing, cloud storing, enterprise-level mobile application and the like, and outputs results to the external management device though the internet. The Emin view mobile commercial platform system has the advantages of being capable of being added into or removed from a platform flexibly and capable of sharing the services of a safety certificate, authorization, a communication protocol, data storage, user interface (UI) generation and management and the like which are provided by the platform, utilizing the facts that a mobile pone has the characteristics of being portable, being capable of being located and having plenty of sensors to bring great convenience to submit, process, inquire and manage business applied data, and being capable of achieving real-time processing for the data so as to greatly improve processing efficiency.

The invention provides an SSL / TLS protocol plaintext data acquisition method based on a mirror image flow, comprising the following steps: (1) receiving SSL / TLS data packets of mirror images, extracting records in the data packets, generating a plurality of complete records, and putting the records in a record queue; (2) extracting a plurality of complete messages from the records in the record queue, and putting the messages in a message queue; and (3) analyzing the messages in the message queue to get plaintext data. According to the method of the invention, the data packets are spliced into complete records according to the package format of an SSL / TLS protocol, and complete single messages are extracted and processed. There is no need for a server to synthesize multiple messages into one record or package a single message into multiple records. New messages needing analysis can be selected and added flexibly. The method is of good scalability. Plaintext data is obtained by processing image data of a switch without interfering with the original service of the system or affecting the system performance.

The invention relates to a group data managing method based on PoC and relative system. Wherein, it mainly comprises: first, storing the data management rule of said group in the group data server, while said rule records the priority information of user terminal that modifying the group data; then, when the user terminal sends information that operating on the group data of group data server, the group data server, according to the data management rule and the operation sent by user terminal, operates the group data. With said invention, the group data management rule can be defined by the Owner of group, to be stored in group data server; then other common members can modify the group character limited by said rule, to realize the operation that adding or leaving the group.

In several units with large rubber ball using amount, certain rubber balls continuously pass through a monitoring sensor during systematic cleaning, mistaken counting judgment easily occurs at the moment, or even a blockage phenomenon occurs. For solving the problem, the invention provides a novel high-precision rubber ball monitoring device. Firstly, under the effect of a distribution bin, rubber balls running in a circulating water pipeline are distributed to multiple front distribution flowing channels. Under the acceleration effect of the circular truncated cone shaped front distribution flowing channels, separation of the rubber balls falling into the front distribution flowing channels are accelerated to a rear distribution flowing channel provided with a photoelectric sensor and a flow sensor. The number of passed rubber balls is corrected through reasonable analysis on the actual passing time of the rubber balls and the passing time of a single rubber ball, accordingly the purpose of online rubber ball monitoring is achieved, and the labor intensity of workers in a field is greatly reduced. In addition, the novel high-precision rubber ball monitoring device further has the remarkable advantages of being low in cost, relatively simple in structure, convenient to cast, easy to form, small in occupied space, low in power consumption and the like.

The invention provides a novel weaving concept of functional non-woven fabrics and a method thereof. Common natural staple fibers are combed into a net through air current or polymer fibers are melted and extruded into a net; the fiber net, after prewet out in a parallel laying or folding laying way, is in a spun-laced way consolidated and dried, then further consolidated by chemical adhesion or thermal adhesion. The functional particle of the fiber net can be added flexibly, and is suitable for multi-product production; the invention has simple technology, requires no dramatic alteration to the present equipment and can obviously improve weaving performance and improve weaving efficiency.

The present invention belongs to the technical field of the internet of things, and discloses a system and a method for device safety access of a digital home network. A device authenticator is configured to perform safety authentication of all the devices. The device authenticator is added when the digital home network is constructed to perform safety authentication of all the devices. The deviceauthenticator comprises a control point and a sensor device, the control point is taken as a device for safety access to prevent from malicious access of an external device; a two-factor authentication method, the authentication of a control node is changed to authentication of an authentication server, and the device authentication server taken as a new UPuP device is introduced and called UPServer so as to change the authentication and registration flow of the device.

The invention discloses a face recognition method based on knowledge federation, and relates to the technical field of computers. The method comprises the following steps: training a face recognitionmodel based on an obtained face data set, generating a face recognition gradient ciphertext through encryption according to an obtained face recognition model gradient, and sending the face recognition gradient ciphertext to a third-party terminal, so that the face recognition gradient ciphertext is subjected to decryption, knowledge federation and encryption to obtain a federation model parameterciphertext; and continuing to train the face recognition model based on the federated model parameters obtained by decryption, and performing face recognition according to the trained face recognition model. According to the method, it is guaranteed that original data do not leave the local, data privacy can be effectively protected, and the face recognition model obtained through federation training is high in universality and suitable for service scenes of mechanism terminals in different fields. The invention further discloses a face recognition device based on knowledge federation, electronic equipment, a storage medium and a system. The scale of the mechanism terminal in the system is not limited, and joining or quitting can be flexibly selected.

The invention relates to a visual experimental system for shake features of a molten fuel tank during severe accidents of a sodium-cooled fast reactor; the visual experimental system comprises a support, a visual experimental container arranged on the support, a gas supply device, a gas conduit, a gas spray valve, a rod structure, a control module and an experimental environment monitoring module, wherein the bottom of the visual experimental container is provided with a gas spout that is connected to the gas supply device through the gas conduit, the gas spray valve is mounted on the gas conduit, the rod structure is arranged at the top of the visual experimental container, and one end of the rod structure is extended into the visual experimental container to simulate a control rod structure of the sodium-cooled fast reactor; the experimental environment monitoring module is arranged in the visual experimental container; the experimental environment monitoring module, the gas spray valve and a control module are electrically connected.

The invention relates to a large unmanned aerial vehicle ground station task planning and load monitoring system and method. The system comprises a task data management software unit and a task planning and comprehensive monitoring software unit, wherein the task planning and comprehensive monitoring software unit comprises a task load control subunit, a task planning and display subunit and a load data monitoring subunit, and the task data management software unit is an interactive hub of the system; and the task planning and comprehensive monitoring software unit is responsible for data conversion, transceiving and recording of a task load control subunit, a task planning and display subunit and a load data monitoring subunit in the task planning and comprehensive monitoring software unit. According to the system, compared with conventionally used ground station software, the system has relatively strong expansion and change functions; functions of task planning, task configuration design, loading and the like before flight can be carried out, different types of configurations can be flexibly added according to use requirements, and the obvious advantages that the types are multiple, and the number is large are achieved; and software interface planning is reasonable.

The invention provides a perovskite nano material, a preparation method thereof and a photoelectric device containing the perovskite nano material. The preparation method comprises the following stepsof carrying out a first coordination reaction on lead carboxylate, cesium carboxylate, a metal halide and a non-polar solvent to obtain a first solution containing perovskite quantum dots, and carrying out a second coordination reaction on the first solution and ammonium halide in a nitrogen and / or inert atmosphere to obtain the perovskite nano material. As ammonium ions are only combined with halogen, ammonium halide has surface selectivity on the surfaces of the quantum dots, and the prepared perovskite nano material has the advantages of narrow fluorescence peak and the like. Compared witha traditional synthesis method, the preparation method also has the advantages of adjustable reaction process, flexible addition of reaction raw materials, simple synthesis method, good experimentalrepeatability and the like.

The invention relates to a method and system for a manufacturing department to cooperatively maintain reliable data storage based on an alliance block chain. The method comprises the following steps: S1, taking a plurality of protocol nodes as a center, and employing a distributed database and a Raft consensus technology to form an alliance block chain network; wherein each protocol node corresponds to at least one department and one distributed account book, and digital identity certificate management and data link management are carried out on the department by utilizing the protocol nodes; wherein the departments comprise a service department and a management department; s2, the management department manages application, verification, updating and revocation of the digital identity credentials of all the service departments; and S3, each service department logs in the corresponding protocol node by using the digital identity certificate, and performs data uplink and data query operation. According to the method provided by the invention, an alliance block chain technology is taken as a technical framework, and a new mode of data chaining, interaction and identity recognition management among departments is designed.

The invention relates to an optical fiber repeater system using a wavelength division multiplexing technology. The system comprises a near-end machine, a far-end machine and a single-core optical fiber, the near-end machine comprises a near-end wavelength division multiplexing communication subsystem, the far-end machine comprises a far-end wavelength division multiplexing communication subsystem,and the near-end wavelength division multiplexing communication subsystem is connected with the far-end wavelength division multiplexing communication subsystem through the single-core optical fiber.Compared with the prior art, the method has the advantages of high flexibility, low cost and the like.

The invention discloses a method for managing a wireless phone bar, comprising the following steps: a management device transmits an unlocking command to a wireless communication terminal; the wireless communication terminal carries out unlocking according to the unlocking command; the wireless communication terminal carries out dialing and calling according to a user command and transmits dialing information and charging information to the management device; and the management device carries out expense statistics according to the dialing information and the charging information. The invention also provides a corresponding device and system. In the invention, the management device carries out centralized management on numerous wireless communication terminals and realizes the centralized management of the numerous wireless communication terminals; each wireless communication terminal can flexibly access to the management or quit from the management, which facilitates the development and maintenance of the phone bar.

The invention relates to a data query method and system of electric power business systems. The data query method includes the following steps that: the database information of the electric power business systems is registered, and the database information of the electric power business systems is recorded in database tables; connection information of the databases of the electric power business systems is configured according to the database information in the database tables; with the primary keys and foreign keys of the database tables of the electric power business systems adopted as related conditions, correlation relations of the database tables of the electric power business systems are configured; inputted data query conditions are acquired, the database information of electric power business systems which satisfies the data query conditions is acquired according to the correlation relations; the databases of corresponding electric power business systems are connected according to corresponding connection information, and a data result set can be obtained, and the data result set is displayed. With the data query method and system of the invention adopted, the data of a plurality of business systems can be queried simultaneously, and the data can be displayed for users in a unified manner, and therefore, great conveniences can be brought about.

The invention provides a circuit and a method for flexibly setting delay time between instructions in a CPU (Central Processing Unit), which comprises the following specific steps of: adding a CPU configuration register configuration instruction at a program position between the instructions needing to be inserted with a time interval, and setting the delay time; when the CPU executes the CPU configuration register configuration instruction, configuration information is written into a configuration register corresponding to the CPU configuration register configuration instruction, and the configuration register sends a pause request to the existing external debugging control circuit to trigger the CPU to enter an idle state mechanism; when the CPU is in an idle state, the countdown timer enters a countdown working state; and monitoring the decline value of the countdown timer in each cycle, when the countdown timer is reduced to 0, sending an operation request to the existing external debugging control circuit, quitting the CPU from the idle state, and starting to continuously execute the subsequent program by the CPU. The invention discloses a circuit and a method which are used in an embedded CPU (Central Processing Unit) and are used for flexibly adding any specified delay interval between any two instructions as required.

The embodiment of the present invention discloses a switch logic deployment method and a terminal in an Overlay network. The method includes: creating a virtual local area network; correspondingly creating at least one subnet entity according to the virtual local area network; Configuring the virtual machine; correspondingly creating at least one VRF according to the virtual local area network; dividing the subnet entity into the VRF so that the subnet entity is bound to the VRF. The present invention creates a virtual local area network in the switch, and creates at least one subnet entity correspondingly according to the virtual local area network, and binds the subnet entity with the VRF, so that the subnet entity can be flexibly added to the VRF, and further achieve the flexible logic of the switch The purpose of the deployment.

The invention discloses a method for converting an algorithm model of the method into source codes based on an RSCAD simulation system. The method includes the following steps that first, a graphic function library corresponding to basis function blocks in the RSCAD simulation system is established; second, a custom function library corresponding to custom function blocks in the RSCAD simulation system is established; third, a converting relation is configured and defined, an RSCAD modeling file is read through conversion, and algorithm file source codes are generated. Modeling file conversion based on the RSCAD simulation system is successfully achieved through the method, the algorithm file source codes can be automatically generated, development personnel do not need to program thousands of lines of codes manually, and therefore production efficiency and design quality are improved, and innovation is made convenient to perform.

The invention discloses a distributed file system architectural method supporting mass data access. The method is based on a distributed Hash table, and access nodes are obtained by conducting Hash mapping on a file path. By the adoption of the fully distributed type non-centralized architectural design, new nodes can join a cluster after several times of communications. A Kademlia algorithm is adopted for addressing among the nodes, and a routing table is divided and the distance between the nodes is obtained through exclusive-or operation to achieve skip of the most adjacent nodes. A leader is selected through a PaxosLease algorithm to handle the mapping operation on the nodes so as to solve the consensus problem. Block storage of fixed size is conducted on actual data of files, and redundant backup is conducted on the multiple nodes, so that the requirements for safety and distributed calculation are met. When an architectural system generated according to the architectural method processes mass files, the processing efficiency can be remarkably improved, and the good effect can be achieved in the environment with the low latency requirement.

The invention provides an SSL / TLS protocol plaintext data acquisition method based on a mirror image flow, comprising the following steps: (1) receiving SSL / TLS data packets of mirror images, extracting records in the data packets, generating a plurality of complete records, and putting the records in a record queue; (2) extracting a plurality of complete messages from the records in the record queue, and putting the messages in a message queue; and (3) analyzing the messages in the message queue to get plaintext data. According to the method of the invention, the data packets are spliced into complete records according to the package format of an SSL / TLS protocol, and complete single messages are extracted and processed. There is no need for a server to synthesize multiple messages into one record or package a single message into multiple records. New messages needing analysis can be selected and added flexibly. The method is of good scalability. Plaintext data is obtained by processing image data of a switch without interfering with the original service of the system or affecting the system performance.

The invention provides an experimental system for the forming characteristic of a sodium-cooled fast reactor debris bed. The experimental system comprises an experimental support, a particle container, a particle conduit, a visual experiment container, a particle release controller, a visual data acquisition module, an environmental parameter detection module and a decay heat simulating generator, wherein the particle container and the particle conduit support multiple release apertures and release heights, an experimental particle system comprises various debris particles with different materials, shapes and sizes, visual experimental containers with different sizes are designed for two-dimensional and three-dimensional experiments, and the particle release controller and the visual data acquisition module can acquire and store images synchronously in the whole experimental process. The experimental system can be applied to researching and analyzing the forming mechanism of the fuel particle debris bed in the sodium-cooled fast reactor core disassembly accident process. The experimental system has the advantages that the experimental process is visual, qualitative analysis is combined with quantitative analysis, multiple controllable experimental variables exist, the operation principle is simple, the system is easy to expand, stable and safe and the like.

The invention relates to a network air conditioning control system based on a Bluetooth technology. In the system, a middleware is arranged between a server and an air conditioning, and is provided with more than one 485 serial ports and an Ethernet port; a singlechip processor realizes the conversation from TCP / IP to an RS485 protocol; an RS485 interface Bluetooth module is connected on the 485 interface of the middleware in an inserting manner; each air conditioning is provided with a RS485 interface Bluetooth module, and point-to-point transparent communication and point-to-multipoint transparent communication are realized between the air conditioning and the middleware through an SPP protocol. As a Bluetooth wireless technology is adopted to replace wired cable transmission, the wholeair conditioning system leaves out complicated space wire arrangement, can flexibly add air conditioning equipment, has no wire arrangement problem, can measure and control the air conditionings at small range by a server at real time, has extremely convenient management and brings great convenience for life and work.

In several units with large rubber ball using amount, certain rubber balls continuously pass through a monitoring sensor during systematic cleaning, mistaken counting judgment easily occurs at the moment, or even a blockage phenomenon occurs. For solving the problem, the invention provides a novel high-precision rubber ball monitoring device. Firstly, under the effect of a distribution bin, rubber balls running in a circulating water pipeline are distributed to multiple front distribution flowing channels. Under the acceleration effect of the circular truncated cone shaped front distribution flowing channels, separation of the rubber balls falling into the front distribution flowing channels are accelerated to a rear distribution flowing channel provided with a photoelectric sensor and a flow sensor. The number of passed rubber balls is corrected through reasonable analysis on the actual passing time of the rubber balls and the passing time of a single rubber ball, accordingly the purpose of online rubber ball monitoring is achieved, and the labor intensity of workers in a field is greatly reduced. In addition, the novel high-precision rubber ball monitoring device further has the remarkable advantages of being low in cost, relatively simple in structure, convenient to cast, easy to form, small in occupied space, low in power consumption and the like.

The invention discloses a method and device for realizing an RRC state machine. According to the complexity of the RRC layer protocol stack and the interrelationships of the processes involved, for each functional process that may cause four basic state changes, the process execution is added. The various trigger sub-states of each process are used to control the processing and judgment of the corresponding messages received in each process, and the operation of the protocol stack is managed through a single thread to ensure the efficient and stable operation of the protocol stack; correspondingly, corresponding to the above implementation method , the present invention also proposes an RRC state machine implementation device, which includes a recording unit, a receiving unit, a callback unit and an executing unit. The invention solves the problems of high resource consumption and complicated operation and maintenance during the development and operation of the protocol stack, simplifies the complexity of the state machine, and ensures the high efficiency and stability of the system operation.