216results about How to "Flexible management" patented technology

The invention relates to the field of parking lot management, in particular to a parking management method and system based on data analysis. The method comprises the following steps: acquiring real-time state information of a parking lot and a historical parking monitoring log of the parking lot; analyzing the dynamic characteristics of the vehicle in the fixed parking space according to the real-time state information of the parking lot, and predicting the available time so as to generate the predicted available time of the fixed parking space; acquiring traffic flow data of a target parking lot area; performing multi-section traffic flow analysis on the traffic flow data of the target parking lot area, and performing traffic flow time sequence trend evolution to generate real-time road state characteristics of the target area; and performing time sequence parking demand analysis on the historical parking monitoring log of the parking lot, and performing dynamic parking demand prediction of the target parking lot according to the real-time road state characteristics of the target area so as to generate a dynamic parking demand prediction value. According to the invention, parking lot management with high efficiency and high utilization rate is realized.

The invention relates to the technical field of agricultural machinery automation, in particular to an intelligent seeding machinery automation control system which comprises a soil variability analysis module, a dynamic seeding mode adjustment module, a soil structure adjustment module, a seeding control and optimization module, an intelligent fault diagnosis module and a visualization module. Soil data are collected in real time through a soil variability analysis module, spatial variability and seeding suitability of soil are analyzed by utilizing a machine learning algorithm, and a dynamic seeding mode adjustment module automatically adjusts the seeding depth, the seeding speed, the seed spacing and the feeding amount according to an analysis result. The soil structure adjusting module can intelligently adjust the structure according to the compaction or loosening condition of soil, the intelligent fault diagnosis module monitors the operation state of the seeder in real time and diagnoses and repairs faults, and the visualization module provides a remote monitoring interface. According to the invention, the seeding process can be accurately controlled according to different soil conditions, the seeding uniformity and the crop germination rate are improved, and the efficiency and precision of agricultural production are remarkably improved.

The invention discloses a computing power aware routing distribution method and system based on SRV6, and the method comprises the steps: constructing a network topology undirected graph based on a target distributed cluster; in response to the service request, obtaining real-time resource state data of each node in the target distributed cluster, and analyzing the service request to obtain resource request data; matching each node in the network topology undirected graph with the resource request data to obtain a target node; calculating an optimal path from the source node to the target node in the network topology undirected graph by using an improved Di jkstra algorithm; and according to the optimal path, configuring a corresponding routing rule in the target distributed cluster through an SRV6 network programming technology. According to the method provided by the invention, the problem of insufficient computing power resource routing distribution flexibility is solved.

The invention provides an NPU instruction level context switching method and device, and relates to the technical field of data processing.The method comprises the steps that when a context switching instruction is received, a non-refresh instruction is forbidden, it is waited for completion of an instruction being executed, and context data is stored in a main storage module; after completion, recovering the context switching related instruction of the NPU module, and executing the target task; and after the target task is executed, recovering the context data to the NPU module, and recovering the execution of the non-refresh instruction. According to the method, optimization is carried out aiming at the problem that an existing NPU architecture generally can only support limited preemption at an algorithm boundary or a specific context switching point and even cannot preemption, so that a high-priority task must wait for a low-priority task to be completed, and remarkable priority inversion and / or key inversion are / is caused. A full-stack solution from a system on chip to an instruction set architecture and then to an operating system kernel is provided, and preemption of an NPU instruction level is achieved.

The invention discloses a multi-dimensional constellation diagram mapping enhanced orthogonal chirp multiplexing optical transmission sending method, receiving method and system in the field of optical communication. The method comprises the following steps: a sending end converts data to be transmitted into an original signal bit stream; mapping through a preset four-dimensional constellation diagram model to generate a four-dimensional constellation point coordinate sequence, and dividing the four-dimensional constellation point coordinate sequence into two different branches; respectively carrying out OCDM modulation on the four-dimensional constellation point coordinate sequences on the two branches to generate two time domain sending signal sequences; performing power distribution and superposition on the time domain sending signal sequence to form a final sending signal; and a receiving end receives the sending signal from the channel, performs OCDM demodulation on the sending signal, recovers constellation point signals in the two branches by using a serial interference cancellation technology, and obtains an original signal bit stream through demapping of the four-dimensional constellation diagram model. According to the invention, the problems of selective fading of signal frequency and overlong CP in DD-OFDM can be solved.

The invention discloses an improved agricultural production process traceability method based on artificial intelligence. The method comprises the following steps: S1, collecting multi-dimensional agricultural production data; s2, performing data cleaning, noise removal, abnormal value detection and format conversion on the multi-dimensional agricultural production data; s3, dividing the multi-dimensional agricultural production data into short-term data, medium-term data and long-term data according to time attributes of the multi-dimensional agricultural production data; s4, dividing the multi-dimensional agricultural production data according to land parcels, areas and crop type space positions; s5, classifying the multi-dimensional agricultural production data according to a plurality of production stages of crops from sowing, fertilizing, watering, weeding and harvesting; s6, information of the abnormal agricultural production nodes is fed back to the management system; s7, generating a traceability report; and S8, dynamically adjusting the irrigation frequency, the fertilization amount or the equipment maintenance plan of the crops according to the feedback information. According to the invention, flexible management of the agricultural production process is realized, and the overall efficiency and quality of agricultural production are improved.

The invention discloses a virtual machine monitoring and management system supporting whole vehicle mode management of an intelligent vehicle, and belongs to the technical field of virtual machine monitoring and management. Comprising a virtual machine monitor; the virtual machine manager is used for configuring and analyzing the virtual machine; the state manager is connected with the virtual machine monitor and the virtual machine manager and is used for managing the whole vehicle mode of the intelligent vehicle; and the whole vehicle mode manager is connected with the virtual machine monitor, the virtual machine manager and the state manager, and carries out mode switching processing according to the updated mode condition result. The technical scheme has the beneficial effects that the control of the virtual machine is optimized from static configuration to centralized control, the management strategy and the control strategy of the virtual machine are separated, and on-demand starting and control are carried out according to the configuration or runtime condition, so that the management of the virtual machine is more flexible and efficient, and the user experience is improved. Virtual machine state management and whole vehicle mode state control are fused, and the full-systematic design and management requirements of the intelligent vehicle for resources and states are met.

The invention belongs to the technical field of informatization security and secrecy, and particularly relates to an encrypted optical disc illegal external connection alarm tool which comprises a recording and printing tool recorded in an optical disc in an encrypted mode and an internet detection module. And automatically associating a specific website after the recording and printing tool is opened, and judging that the compact disc is used illegally if the association is successful. According to the invention, information security management can be enhanced, the management efficiency is improved, the information security cost is reduced, comprehensive monitoring and timely alarm of the secret-related optical disk are realized, and the security and confidentiality of the secret-related information are greatly improved.

The invention relates to a block chain-based power Internet of Things terminal security access method and system. The method comprises the following steps of S1, dividing a virtual local area network; s2, deploying an SDN controller to manage and control network traffic; s3, performing decentralized identity recognition by using a block chain, and executing an automatic identity authentication process by using a smart contract; s4, carrying out preliminary identity verification based on the certificate, and carrying out secondary authentication in combination with the biological characteristics and the position information of the Internet of Things equipment; s5, performing uplink according to the critical degree, generating a unique fingerprint of the data by using a hash function, and storing the unique fingerprint in a block chain to ensure data integrity and prevent tampering; and S6, applying a strong encryption algorithm in a transmission layer and a data storage process to ensure data security and realize a homomorphic encryption technology, so that data operation is performed in an encryption state, and privacy is protected. According to the invention, the efficiency and security of terminal access are improved, and comprehensive protection and flexible management of the network and data are realized through the block chain and SDN technology.

The invention provides a communication method of multi-application communication based on a serial interface and a storage medium, the communication method is applied to a protocol stack of multi-application communication, a hardware layer of the protocol stack uses an asynchronous full-duplex serial interface, and the communication method comprises the following steps: establishing a point-to-point transmission channel between applications through the asynchronous full-duplex serial interface; a sending end sets sending numbers for data packets, the data packets are packaged into data frames through a data link layer of a protocol stack, and the data frames are sequentially sent through a transmission layer of the protocol stack according to priorities of point-to-point transmission channels of different applications in all the applications; and the receiving end receives the data frame and verifies the transmission integrity of the data packet according to the sending number. The technical problems that the design of an existing communication method in a multi-chip ECU board is complex, and communication of multiple applications in two chips through one interface cannot be achieved are solved.

The invention discloses an energy scheduling and coal supply management method based on a block chain, and the method achieves the remarkable improvement of energy scheduling and coal supply management through the application of a block chain technology. The distributed account book enhances the data transparency, the zero-knowledge proof and the multi-level authority management improve the data security, the intelligent contract improves the scheduling response speed, and the carbon emission monitoring and incentive mechanism enhances the environmental protection property. Through combined action of the technical means, energy supply chain management is more efficient, safer and more flexible, sustainable development is supported, and strict requirements of a modern energy management system for real-time performance and environmental protection are met.

The invention relates to an electric power open platform system based on digitization capability. The system comprises an achievement acquisition layer, a local service layer and a two-stage sharing layer. The achievement collection layer is responsible for collecting and integrating digital achievements of a data medium station, a technology medium station, a business medium station, an Internet of Things platform, a cloud platform and a business system of the electric power company; the local service layer manages the data and capability obtained from the achievement acquisition layer in a centralized manner, and provides customized services for the requirements of local electric power companies; a Spring Boot micro-service framework is used to realize decoupling and independent deployment of services, and Kubernetes is used to carry out container arrangement, management service expansion, load balancing and automatic recovery; the two-level sharing layer realizes sharing of achievements between a local electric power formula and a head office. According to the invention, the security can be guaranteed, the performance can be improved, and a flexible and extensible service and achievement sharing mechanism can be provided at the same time.

The invention discloses an access control method and system for cross-platform video resource sharing, and belongs to the technical field of video sharing. Video platforms are divided into a plurality of groups, each group randomly selects one video platform to be marked as a national standard node, and each national standard node serves as a bridge between a center node and other video platforms and is responsible for seamless cascading and equipment access of video resources of a superior platform and other platforms; the system implements a unified access control strategy, and ensures that a user accesses resources according to authority through authority management; an organization tree configuration function is constructed, a video resource management system is constructed, and sharing and integration of lower-level platform resources are achieved; searching and browsing organization tree information and an equipment list through a resource retrieval function; sharing of organizations and devices is supported, and a superior platform is allowed to retrieve a shared directory and a device list; according to the invention, a safe, efficient and easy-to-manage cross-platform video resource sharing solution is realized.

The invention provides a low-voltage communication demodulation platform, which relates to the technical field of communication and comprises a demodulation main system. The demodulation main system comprises a signal acquisition module, a data storage module, a clock management module, an interface module, a fault detection and recovery module, a protocol conversion module, a signal processing module, a frequency spectrum management module, a safety communication module, a power grid environment adaptation module and an intelligent demodulation module. The intelligent demodulation module realizes adaptive modulation identification and demodulation through a content convolutional neural network (CNN) and a support vector machine (SVM), the CNN is used for extracting features of carrier signals, and the SVM performs modulation mode classification; the intelligent demodulation module is combined with a Kalman filter through a generative adversarial network (GAN) to realize channel noise processing and enhancement, the GAN is used for generating a low-noise signal, and the Kalman filter further optimizes the signal quality.

The invention provides a video data transmission system based on a PCIE interface, the system comprises a PCIE RC terminal system and a PCIE EP terminal system, each of the PCIE RC terminal system and the PCIE EP terminal system comprises a PCIE interface module and a PCIE virtualization module, the PCIE RC terminal system and the PCIE EP terminal system are connected through the PCIE interface module, and the PCIE interface module is connected with the PCIE EP terminal system through the PCIE virtualization module. The PCIE virtualization module is connected with the PCIE interface module; wherein the PCIE interface module is used for carrying out bidirectional video data transmission between the PCIE RC terminal subsystem and the PCIE EP terminal subsystem, and the PCIE virtualization module is used for controlling the PCIE interface module to execute corresponding operation according to the transmission requirement of video data and respectively creating a corresponding virtual device node for each path of video data.

The invention discloses a dual-mode communication unit frequency modulation method based on an adaptive algorithm, relates to the technical field of communication, and aims to solve the problems that the traditional communication method is prone to signal instability in a special working environment, so that the communication is interrupted repeatedly, the working continuity and safety are influenced, the transmission efficiency is low, and the communication efficiency is low. The method comprises the following steps: acquiring and analyzing environment parameters, and acquiring special working environment parameters; the temperature (T), humidity (H) and electromagnetic interference intensity (E) parameters in a special working environment are acquired through various high-precision sensors, and the sensors are calibrated, so that the communication mode can be automatically adjusted according to the change of the special working environment by accurately acquiring the environmental parameters, comprehensively evaluating the communication quality and flexibly adjusting the communication frequency; the problems of unstable signal and low transmission efficiency of traditional communication in a special environment are solved.

The invention relates to an access control method and system for financial sensitive data, and the method is applied to a cloud server, and comprises the steps: receiving a data access request sent by an access client, the data access request being used for requesting to obtain target sensitive data and at least carrying the attribute information of an access user; verifying whether the identity of the access user is legal based on the attribute information of the access user and a preset access control strategy; wherein the access control strategy is an access control strategy generated based on attribute-based encryption in advance, and the access control strategy comprises a constructed access control tree based on multiple attributes; and after the identity is verified to be legal, sending the decrypted target sensitive data to the access client.

The embodiment of the invention discloses a method and device for elegantly closing Pod based on Kubernetes, a storage medium and a program product. The method comprises the following steps: creating a termination signal of a controller for monitoring Pod in real time; when the termination signal is monitored, detecting whether Pod needs to be closed gracefully or not; if so, removing the application server running in the Pod from an available server list of the management equipment; and monitoring a request state currently processed by the application server, and deleting the Pod after all requests are completed. According to the method, the service reliability and the user experience can be effectively improved in the Kubernetes environment by automatically and elegantly closing the process.

The invention discloses a method for realizing resource service based on OAuth2 and a gateway, and relates to the technical field of information systems. Comprising the steps of 1, creating a resource manager component on a resource server based on an OAuth 2.0 Resource Server component and creating an API gateway component on the basis of SpringCloud Gateway, and 2, receiving an access token carried by a client through the API gateway component, verifying the validity of the access token, checking the permission range of the access token passing verification, determining whether the client has the right to access corresponding resources or not, and if the client has the right to access corresponding resources, executing the step 3, and if the client has the right to access corresponding resources, executing the step 4. Step 3, receiving an access token carried by the client through the resource manager component, verifying the validity of the access token, checking the permission range of the access token passing the verification, determining whether the client has the right to access the corresponding resource or not, if yes, forwarding the request to the correct resource server, and enabling the request to access the resource server; and if the check is passed, providing the requested corresponding resources through the resource manager component.

The invention discloses a safety communication device based on artificial intelligence, which comprises a processor, and the processor is connected with an encryption module, an identity verification module, an intrusion detection module, a machine learning module, a safety protocol module and a user interface module. The invention belongs to the technical field of intelligent communication, through the combination of the encryption module and the identity verification module, a trust relationship and a data encryption transmission channel can be established between two communication parties, the data security and integrity can be improved, potential malicious activities are monitored and identified in real time through the intrusion detection module, and the security of the communication parties is improved. Hacker attack and data leakage can be effectively prevented, meanwhile, through continuous learning and optimization of the machine learning module, the system can adapt to a new threat mode, flexible security configuration and management are provided, the overall security performance is improved, and the market prospect is wide.

The invention discloses a data storage method and electronic equipment, and relates to the technical field of data storage. According to the method, in response to a creation instruction for a first file object, a file index area and a file data area of the first file object can be determined from a target storage area, then file attributes of the first file object are stored in the file index area, and file contents of the first file object are stored in the file data area. The file index area and the file data area are located at the two ends of the target storage area. Therefore, according to the method, when the first file object is newly built, the file attribute and the file content of the first file object can be stored at the two ends of the target storage area respectively. Therefore, on one hand, the storage modes of the file objects are enriched; and on the other hand, the new file object can be conveniently and continuously stored in the remaining space in the middle of the target storage area, flexible creation of the file object is facilitated, and therefore flexible management of the file object can be achieved.

The invention discloses a device management method and system, a computer program product, an electronic device and a medium, relates to the technical field of servers, and is applied to a management controller to determine a to-be-removed target device. Determining a system control interrupt signal for managing and controlling the link slot of the target equipment; and the control system controls the interrupt signal to be a target value, so that the link slot position of the target equipment is disconnected to remove the target equipment after the operating system detects that the system controls the interrupt signal to be the target value. In the invention, after the management controller of the server determines the system control interrupt signal for managing and controlling the link slot of the target equipment to be removed, the system control interrupt signal is controlled to be the target value, so that the operating system of the server can disconnect the link slot of the target equipment according to the target value; therefore, the target device is removed from the operating system, and the device can be managed flexibly and efficiently only by controlling the system control interrupt signal corresponding to the device link slot.

The invention relates to an electric grounding wire clamp device with an intelligent monitoring function and an operation monitoring method, compared with a traditional manual rotating and twisting grounding wire clamp, an electric device in the electric grounding wire clamp device can quickly complete a clamping task of a grounding wire clamp head through motor driving and force arm design, traditional manual operation needs several minutes or even longer time, and the operation efficiency is greatly improved. However, the device can be easily completed within several seconds, so that the working efficiency is improved; in the actual operation process, an operator can remotely open or close the grounding wire clamp, and the scene adaptability of the electric wire clamp device is further improved. Through the operation monitoring method, whether the operation of the grounding wire clamp accords with the operation specification can be automatically judged in real time, and if not, an alarm signal is sent to prompt an operator to process as soon as possible.

The invention relates to the technical field of cryptography and information security management, in particular to a multi-system password security management method based on equipment authentication, which comprises the following steps of: generating a unique identity and identifier through a double-identity participant authentication mechanism, and generating an equipment initial password by using a homomorphic encryption algorithm based on lattice cryptography; potential safety hazards and management vulnerabilities in the prior art are effectively overcome, according to the method, the device identity identification and the initial password are bound and stored, the reliability of identity authentication is improved, and the safety of the device is effectively improved; meanwhile, the device password is dynamically updated based on the space-time behavior characteristic matrix and the environment factor, and the safety and the flexibility of the system are further improved; in addition, a zero-knowledge certification mechanism is adopted to carry out equipment identity verification, and hierarchical authority management based on attribute encryption is combined, so that the collaborative security and management efficiency among multiple systems are enhanced.

The invention discloses a global memory allocation method and device for a GPGPU (General Purpose Graphics Processing Unit) and a medium, belongs to the technical field of GPGPU memory allocation, and is used for solving the technical problem that in the data transmission cooperative work process of an existing host and a GPGPU device, the real-time performance of a task is easily influenced, and a large device memory space is possibly occupied, so that the memory space is wasted. The method comprises the following steps: performing data block division processing on each piece of input data required by an input task to obtain input data blocks; performing operation processing of the device end on the first group of input data to obtain an operation result of the first group of input data; if the operation state of the device end is completed before the host end finishes sending the second group of input data, performing first operation completion control on the device end to obtain a first operation result of the second group of input data; and if the operation state of the device end is completed after the host end finishes sending the second group of input data, obtaining a post-operation result of the second group of input data.

The invention relates to the field of data caching, and discloses a distributed caching method, system and device based on a database and a JVM. A host information table in a database is obtained, and nodes are configured according to the host information table, so that a distributed cluster is constructed; any node in the distributed cluster is used as a Me host, and the remaining nodes in the distributed cluster are used as Bro hosts; in response to a request instruction of any cache object, the corresponding cache object in the cache of the Me host is obtained for response according to the request instruction, and the request instruction comprises at least one of a deletion request, an updating request and an obtaining request; according to the response result, the request instruction is sent to the cache service of the Bro host according to the user identifier, distributed cache processing is achieved, no time consumed by network communication and deserialization exists, and at least 10-25 ms time delay is saved; through the distributed cache, the access speed of the data is improved, and the expansibility and fault tolerance of the system are enhanced.

The invention relates to the technical field of computers, in particular to a front-end development method and system for achieving a data visualization editor based on vue, and the method comprises the following steps: building a front-end engineering project; implementing a canvas area; packaging the components of the single component library; a static data configuration function is realized; realizing an interface data configuration function; a view storage and preview function is realized; the front-end development method and system for realizing the data visualization editor based on the vue have the beneficial effects that dragging of a component graph layer in the canvas is supported, real-time coordinate change when the graph layer in the canvas is dragged is supported, auxiliary alignment of an auxiliary line is realized, a view editing effect is previewed at any time, and the development efficiency is improved. Two data configuration modes of static data and interface data are supported, components in a component library can be flexibly managed, free packaging can be carried out according to service requirements, components in a page can be flexibly arranged in a dragging mode, the actual screen projection effect can be checked at any time through a preview function, and timely adjustment can be carried out according to the effect.

The invention relates to the technical field of computers, and particularly provides a method for adaptively shielding shortcut keys under a Linux operating system, which comprises the following steps of: defining a DBus protocol specification for registering a shortcut key shielding service; after the system is logged in, starting a shortcut key process, monitoring registration and logout of all shielding shortcut key services through the DBus API, updating a blacklist shortcut key list, monitoring shortcut key events from the system at the same time, and judging whether the current shortcut key event responds normally or not according to the current blacklist shortcut key list; and in response to starting of the target application, registering a shortcut key shielding service according to a DBus protocol specification, then setting a shortcut key needing to be shielded, and in response to exiting of the target application, cancelling the corresponding shortcut key shielding service. The technical problems that an existing shortcut key shielding mode is high in development adaptation cost and low in system flexibility are solved.

The invention provides a transformer substation maintenance data management method and management platform. The method comprises the following steps that a background server receives a data uploading request sent by a PC client; the background server verifies the data uploading request based on the PC terminal user login information and the PC terminal user permission information; if the verification of the data uploading request is passed, the background server receives an uploading data packet corresponding to the data packet linked list information, and stores the uploading data packet to a distributed storage database; the background server receives a data downloading request sent by the mobile client; the background server verifies the data downloading request in combination with the mobile terminal user login information, the local data type information and the local key data hash value; and if the verification of the data downloading request is passed, the background server pushes the corresponding target data packet to the mobile client based on the local data type information. The method has the effects of efficiently and safely storing and accessing the data.

The present invention discloses a cloud native database, a database expansion method, a database reduction method and a device, and relates to the field of computer technology. A specific implementation of the method includes: configuration information and a state management directory are stored in the management system, the configuration information includes: topology information of each working node and storage information of the shared storage, the state management directory includes: node status of each available working node; multiple computing nodes are used to process database-related calculations; each computing node has a local storage of a configuration file corresponding to the computing node; each computing node has a local storage of cluster status information corresponding to the computing node; the shared storage is used to store database data. This implementation can achieve flexible management of cloud native databases.