36results about How to "Meet scalability requirements" patented technology

The invention provides a dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, which comprises two sets of loading-and-walking type hydraulic numerical control deck erection gantries and a control system, wherein each set of the loading-and-walking type hydraulic numerical control deck erection gantries comprises the following four parts: a transverse truss girder, two sets of walking type loading-and-walking devices arranged at two ends of the transverse truss girder, a hydraulic lifting device and a carrying pole of a hanger; each set of the walking type loading-and-walking devices consists of a guideway, a walking mechanism steel framework, m traction jacks, 4n load conversion jacks, a supporting pull rod, a walking roller bracket and P guideway walking jacks; all the components are connected with one another by pin shafts; and the control system of the deck erection gantry is a distributed computer network control system which consists of a main control station, Y field controllers, Y pump stations, Y pump station starting boxes, a data acquisition system, and a plurality of data wires and communication wires. The deck erection gantry has the advantages of great lifting force and high work efficiency and stability; and when the deck erection gantry walks with load, the control system of the deck erection gantry can effectively and synchronously control every jack.

The invention discloses a platform system for a vertical shaft heading machine. A cylindrical stand column is arranged in the center of a platform, shaft guide holes are symmetrically formed in the portions, on the two sides of the stand column, of the platform, a first shaft cover and a second shaft cover are correspondingly arranged above the shaft guide holes, and a segment limiting and centering tool is arranged on one side of the first shaft cover; a rotating mechanism is arranged on the periphery above the stand column, at least four lifting mechanisms are evenly distributed between the rotating mechanism and the platform; a vertical-shaft segment erector system is arranged on the rotating mechanism, a vertical shaft anchor rod drilling system is arranged at the corresponding portion, in a U-shaped opening of the vertical-shaft segment erector system, of the rotating mechanism, and a first vertical-shaft leading drilling system and a second vertical-shaft leading drilling system are arranged on the two sides above the vertical-shaft segment erector system respectively; a segment is arranged on one side of the middle of the vertical-shaft segment erector system; a pair of guide rails are arranged at the portions, on one side of the stand column, of the platform and provided with an emergency segment containing system. The multiple devices share the assembly of the rotating mechanism and the lifting mechanisms, weight is reduced, the shaft wall can be expanded, and university is improved.

The invention provides an MBD model array feature quick annotation method for digital detection and relates to the field of digital detection technology. According to the method, first, uniform sampling is performed on a group of array features on an MBD model, and sampling point clouds are obtained; second, a PCA algorithm and an improved ICP algorithm are adopted to perform rough registration and precise registration among the sampling point clouds, and a matching relation among the sampling point clouds is determined; and last, complementing of annotation information missed by the array features is completed according to the corresponding relation among the sampling point clouds. Through the MBD model array feature quick annotation method for digital detection, on the basis of not intervening an annotation habit of a designer on the array features of the MBD model, complementing of the missing information is automatically completed, the efficiency and accuracy of array feature sizeannotation are improved, array feature objects annotated through the quick annotation method meet the requirement of measurability, and one-to-one correspondence between to-be-checked objects and detection requirements is realized.

The invention discloses a security protection system and method for distributed virtualization storage of satellite data. The system comprises a platform trusted measurement module, a data encryptionprotection module, a security monitoring auditing module, a trusted management server, a key management server and a log auditing server. The platform credibility measurement module and the corresponding credibility management server are used for carrying out credibility measurement on satellite data distributed virtualization storage; the data encryption protection module and the corresponding key management server are used for performing data encryption on the satellite data distributed virtualization storage; and the security monitoring and auditing module and the corresponding log auditingserver are used for performing security monitoring and auditing on the satellite data distributed virtualization storage. An integrated security protection mechanism of platform credibility measurement, data encryption protection, security monitoring and auditing is constructed, novel network attack threats such as 0Day attacks and APT attacks can be particularly defended, and the security of satellite data is ensured.

The monitored control (MC) system is composed of up device, low device and data acquisition system. The up device is a MC computer with monitored control software in use for monitored controlling system and data management. The low device includes n pieces of site controller composed of n pieces of programmable controller with logic control main program and synchronous adjustment sub program being written into. Being installed on y pieces of hydraulic power unit, the n pieces of site controller through real time network is connected to MC computer. The method includes remote control mode, and local control mode. No mater how large the system is, direct selecting mode for jacks is adopted in the system. Features are: simple system circuit, intuitive operations, and accurate measurement. Configuration software is in use for monitoring system and querying historical data. The invention is in use for lifting control of large-scale component.

The invention provides a digital detection-oriented MBD model array feature rapid labeling method, which relates to the technical field of digital detection. This method first uniformly samples a group of array features on the MBD model to obtain the sampling point cloud; then uses the PCA algorithm and the improved ICP algorithm to perform coarse registration and precise registration between the sampling point clouds, and establishes the relationship between the sampling point clouds. Matching relationship; finally, according to the corresponding relationship between the sampled point clouds, complete the missing labeling information of the array features. The digital detection-oriented MBD model array feature rapid labeling method provided by the present invention automatically completes the missing information on the basis of not interfering with the designer's habit of marking the MBD model's array feature, and improves the efficiency of array feature dimension labeling and accuracy, so that the array feature objects marked by the rapid labeling method meet the requirements of measurability, and realize the one-to-one correspondence between the objects to be inspected and the inspection requirements.

The invention discloses a platform system for a vertical shaft heading machine. A cylindrical stand column is arranged in the center of a platform, shaft guide holes are symmetrically formed in the portions, on the two sides of the stand column, of the platform, a first shaft cover and a second shaft cover are correspondingly arranged above the shaft guide holes, and a segment limiting and centering tool is arranged on one side of the first shaft cover; a rotating mechanism is arranged on the periphery above the stand column, at least four lifting mechanisms are evenly distributed between the rotating mechanism and the platform; a vertical-shaft segment erector system is arranged on the rotating mechanism, a vertical shaft anchor rod drilling system is arranged at the corresponding portion, in a U-shaped opening of the vertical-shaft segment erector system, of the rotating mechanism, and a first vertical-shaft leading drilling system and a second vertical-shaft leading drilling system are arranged on the two sides above the vertical-shaft segment erector system respectively; a segment is arranged on one side of the middle of the vertical-shaft segment erector system; a pair of guide rails are arranged at the portions, on one side of the stand column, of the platform and provided with an emergency segment containing system. The multiple devices share the assembly of the rotating mechanism and the lifting mechanisms, weight is reduced, the shaft wall can be expanded, and university is improved.

The invention belongs to the automobile control technical field and provides a task scheduling method and device of a vehicle alternating-current motor controller. The method includes the following steps that: scheduling tasks are sorted according to a preset call sequence and are classified into auxiliary scheduling tasks and main scheduling tasks according to the level of the real-time requirements of the scheduling tasks; a watchdog timer is started, and whether AD conversion is completed is judged, if AD conversion is not completed, whether AD conversion is completed is further judged; after AD conversion is completed, an AD conversion completion mark is cleared, and the auxiliary scheduling tasks are operated; if it is monitored that the main scheduling tasks can be operated, the main scheduling tasks are operated; and after the operation of the main scheduling tasks is completed, an input signal is transmitted to the watchdog timer, and whether AD conversion is completed is further judged. According to the task scheduling method and device of the vehicle alternating-current motor controller of the invention, time sequence-based scheduling can be carried out according to the real-time requirements of different scheduling tasks, and functional requirements of a multi-task system can be satisfied, and task scheduling efficiency can be improved.

The invention discloses a safety protection system and method for distributed virtualized storage of satellite data. The system includes: a platform trusted measurement module, a data encryption protection module, a safety monitoring and auditing module, a trusted management server, and a key management server and log audit server; the platform trusted measurement module and the corresponding trusted management server are used for trusted measurement of satellite data distributed virtual storage; the data encryption protection module and the corresponding key management server are used for satellite data The distributed virtualized storage performs data encryption; the security monitoring and auditing module and the corresponding log auditing server are used for security monitoring and auditing of the distributed virtualized storage of satellite data. The present invention constructs an integrated security protection mechanism of platform credibility measurement, data encryption protection, security monitoring and auditing, especially capable of defending against new types of network attack threats such as 0-Day attacks and APT attacks, and ensuring the security of satellite data.

The invention belongs to the technical field of computer data storage and discloses a repeated video detection method and system based on correlation properties in a mass storage system. The method uses position-sensitive hash functions to map repeated videos or similar videos to the same set of an index table, and accordingly the corresponding set can be directly located to perform finding when querying, traversing is not needed, the querying range is greatly shortened, and the querying speed of the repeated video detection method is improved. In the set, a Cuckoo Hashing mechanism is used for performing flat addressing in the whole index table, Hash collision in the set is reasonably solved, the index table maintains the correlation properties on the whole, the querying speed is not influenced, and accordingly the load balance is realized, and the use ratio of the index table is effectively improved.

The invention relates to a system and method for the multilevel data protection oriented to loose cloud nodes in a cloud computing network environment. The method comprises the following steps: cloud node client software is installed on one server, a computing terminal or a large-scale loose cloud client so as to enable the server, the computing terminal or the large-scale loose cloud client to become a working node which can provide cloud node service ability; the working node downloads a plurality of corresponding cloud components so as to have a task processing ability corresponding to the cloud components; when the working node receives a task, the task is finished through the corresponding cloud components; and a task distribution side and the working node are in data communication through an asymmetric encryption algorithm. The system and the method have the advantages that the security and data isolation of task processing data are guaranteed in a collaborative task allocation and working mode of the cloud client, and the probability that the task processing data of the cloud client is embezzled and decrypted in a loose security network system is avoided.

The invention discloses a system for a novel service platform of loose cloud nodes under a cloud computing network environment, and the system comprises a large-size cloud-node service central platform and at least one cloud client service subsystem, wherein each cloud client service subsystem at least comprises a cloud client service network or consists of a plurality of parallel cloud client service networks and / or cascade cloud client service networks, and each cloud client service network further comprises a plurality of working nodes and control nodes. The invention discloses an individualized and flexible system and a method, which can provide a great amount of cloud functional modules with different service functions to finally realize the cloud service capacity of the loose cloud clients by unifying module management of the cloud service module system, downloading and installing cloud modules from cloud nodes, issuing and uploading novel cloud modules and managing cloud module versions under the cloud computing network environment and under the situation that a great amount of loose cloud clients are in idle.

The invention belongs to the automobile control technical field and provides a task scheduling method and device of a vehicle alternating-current motor controller. The method includes the following steps that: scheduling tasks are sorted according to a preset call sequence and are classified into auxiliary scheduling tasks and main scheduling tasks according to the level of the real-time requirements of the scheduling tasks; a watchdog timer is started, and whether AD conversion is completed is judged, if AD conversion is not completed, whether AD conversion is completed is further judged; after AD conversion is completed, an AD conversion completion mark is cleared, and the auxiliary scheduling tasks are operated; if it is monitored that the main scheduling tasks can be operated, the main scheduling tasks are operated; and after the operation of the main scheduling tasks is completed, an input signal is transmitted to the watchdog timer, and whether AD conversion is completed is further judged. According to the task scheduling method and device of the vehicle alternating-current motor controller of the invention, time sequence-based scheduling can be carried out according to the real-time requirements of different scheduling tasks, and functional requirements of a multi-task system can be satisfied, and task scheduling efficiency can be improved.

The invention discloses a view presentation method and system based on a grouping catalogue and a single entry under a PHP (Hypertext Preprocessor) frame, and relates to the technical field of view function development under the PHP frame. The method comprises the following steps: creating a system catalogue framework; after an initiated view request is received, analyzing the view request, and obtaining a controller catalogue requested by a user, and a controller ID (Identity) requested by the user; according to information including the controller catalogue requested by the user, and the controller ID requested by the user, searching a matched controller file capable of realizing the view function, and executing a function code in the file to obtain view data required for presenting a view page; according to the controller ID requested by the user, searching the corresponding view file; and utilizing the searched view file and the obtained view data, carrying out view page presentation. By use of the method, while a view presentation function is realized, the controller file is convenient in searching and easy in maintenance, and the problem of the overlarge controller file can be avoided.

A vertebral column modular satellite platform architecture includes a platform standard module and a load standard module. The platform standard module includes a vertebral column module, an attitude and orbit control module, a communication module, and a solar panel module. The vertebral column module is a vertebral column modular satellite. The mechanical support module and platform information flow center of the platform architecture, the vertebral column module includes information processor, high-speed network switch, power supply and standard interface; the attitude control module, communication module, solar panel module and load standard module communicate with the vertebral The column module is fixedly connected and information is exchanged and processed, and the power supply in the vertebral column module supplies power to the attitude control module, communication module, solar panel module and / or load standard module. The vertebral-column modular satellite platform architecture of the present invention realizes rapid satellite design, plug-in assembly and debugging, and batch Modernized production promotes the rapid evolution of satellite functions and performance.

The present invention provides a DCI analysis method and device in a 5G NR system, wherein the method includes: obtaining DCI classification information and DCI field analysis information according to received network configuration signaling; The obtained set of DCI loads is divided into different sets; the DCI in each set is filtered by comparing the DCI reliability; and the filtered DCI is parsed according to the DCI field parsing information. The present invention can filter out some invalid DCIs by classifying and filtering DCIs, reduce the load of subsequent DCI analysis, reduce variable-length field judgments, further reduce many judgment logics in the DCI analysis process, and can accelerate the process of DCI analysis, making The 5G system parses the DCI field information faster and has a lower error rate, thus solving the problem of fast and efficient DCI parsing in the 5G NR system.

The invention discloses a method for inquiring file metadata in a storage system based on provenance information. The provenance information is collected at a system client side, and file correlation information is obtained through analysis and is transmitted to a metadata server; the metadata server maintains a relational graph in real time according to the relation information between files; a metadata index tree based on correlation perception is established; after an inquiring request is received, firstly a seed result set is found in the metadata index tree, then the relational graph is searched to obtain an initial result set, and lastly a final result obtained by ranking and simplifying the initial result set according to inquiring conditions is transmitted to a client. The invention further provides a corresponding system for inquiring the file metadata. According to the method and system, correlation properties between the files are evaluated through relation values, the characteristics of fast locating of a space index structure and the accurate correlation of the relational graph can be fully utilized, and the efficiency for metadata inquiring is optimized.