128 results about "Dynamic loading" patented technology

The invention provides a Linux access control system based on attributes, and relates to the technical field of data access control. The system comprises a system monitor module, a data interaction module and a decision unit. The system monitor module collects attributes from a kernel and a user space and writes the attributes into the data interaction module; the access decision unit compiles the access control strategy into an eBPF program and mounts the eBPF program to a corresponding hook; executing the kernel to the hook, and triggering an eBPF program; an eBPF program queries a Flow rule; matching the attribute with the Flow rule, and if the matching is successful, executing a corresponding action; if all the Flow rules fail to match, executing a default action; the system can be expanded during operation, and can be loaded or unloaded based on dynamic loading characteristics and strategies of the eBPF program and the eBPF program during operation of the system, so that the problem that a kernel needs to be compiled in a traditional LSM scheme is solved; the method does not intrude the kernel, is completely based on an eBPF program, does not modify a kernel source code, and can guarantee the stability and compatibility.

The invention discloses a low-code platform and Wasm high-performance computing integration system and method, and relates to the technical field of front-end development. In order to solve the problems that an existing low-code platform is limited in calculation performance and poor in security isolation performance, the scheme adopted by the invention comprises five modules: a description and registration module establishes a metadata structure for a Wasm module; the dynamic loading and asynchronous compiling module realizes loading as required and compiling during operation, and supports caching, version verification and hot replacement; the authority sandbox and resource isolation module constructs a security environment based on authority configuration to prevent illegal operation; the parameter binding and safety bridging module encapsulates a uniform interface to realize standardized interaction; the packaging and life cycle management module packages the module into a visual component, and supports full life cycle management. According to the method, high-performance, high-safety and visual integration of the Wasm module in a low-code platform is realized.

The invention provides a heat-water-force coupling experimental device and a testing method based on dynamic true triaxial electromagnetic Hopkinson bar system loading. The experimental device comprises an X-axis dynamic loading system, a Y-axis lateral anti-seepage loading system, a Z-axis normal static pressure servo control loading system, a seepage system, a temperature control system and a data monitoring and collecting system. According to the device, on the basis of a dynamic true triaxial electromagnetic Hopkinson bar system, a shear loading module, a temperature regulation and control module and a seepage control module are creatively integrated, so that the true working condition of a deep rock mass under the coupling action of dynamic disturbance, osmotic pressure and temperature is simulated. The device breaks through the limitation that a traditional experiment system is difficult to realize multi-field coupling loading under a high-speed shearing condition, and provides an experiment means for dynamic response research of fractured rock mass under a complex multi-field environment.

The present invention discloses a method for predicting the static behavior of a bridge based on dynamic loading, comprising the following steps: establishing a full-bridge structural analysis model according to the design data of the existing bridge; conducting dynamic loading tests on the existing bridge to obtain the bridge dynamic response values; performing sensitivity analysis on each design parameter in the initial structural analysis model to obtain and determine the key design parameters to be corrected that affect the bridge structure; based on the uniform design sampling method, using machine learning intelligent algorithms, constructing training samples of the key design parameters to be corrected and establishing a surrogate prediction model; correcting the initial structural analysis model using the prediction results of machine learning and intelligent algorithms; predicting the static behavior of the bridge based on the corrected structural analysis model; introducing an error analysis method to evaluate the prediction results of the bridge static force. The beneficial effects of the present invention are: reducing the cost of the bridge static load test, reducing the damage to the bridge's own structure, and having high prediction result accuracy.

The invention relates to a safe dynamic loading method for a peripheral adaptive plug-in in an embedded low-resource environment, and belongs to the technical field of plug-in loading. The method comprises the following steps: executing digital signature identity authentication and lightweight increment integrity verification; analyzing the metadata, and distributing a physical isolation memory area by utilizing a memory management unit; initializing and analyzing the peripheral dependency list in the isolation memory, dynamically generating an encryption capability token bound with an isolation domain identifier, and embedding a monitoring hook to verify the authority of the token; performing lightweight behavior auditing during operation, triggering a response mechanism based on a result, and checking a certificate state by using a pre-downloaded certificate revocation list incremental data packet when the system is idle; verifying the new-version plug-in independently, pausing the old-version capture state snapshot, switching the peripheral control right to the new-version plug-in through the atomic operation sequence, recovering the token and safely erasing the memory. The whole mechanism ensures high-security isolation and dynamic protection. The efficient and safe loading and operation of the peripheral adaptive plug-in under the embedded low-resource environment are realized.

This invention provides a thermal-hydraulic-mechanical coupling experimental apparatus and testing method based on a dynamic true triaxial electromagnetic Hopkinson bar system. The experimental apparatus includes an X-axis dynamic loading system, a Y-axis lateral anti-seepage loading system, a Z-axis normal static pressure servo-controlled loading system, a seepage system, a temperature control system, and a data monitoring and acquisition system. Relying on a dynamic true triaxial electromagnetic Hopkinson bar system, the apparatus innovatively integrates shear loading, temperature regulation, and seepage control modules to simulate the real-world conditions of deep rock masses subjected to dynamic perturbations, osmotic pressure, and temperature coupling. This apparatus overcomes the limitations of traditional experimental systems in achieving multi-field coupled loading under high-speed shear conditions, providing an experimental approach for studying the dynamic response of fractured rock masses under complex multi-field environments.

The invention is suitable for the technical field of cloud Android system development, and provides a Magisk installation method, device, storage medium and system without guiding mapping, and the method comprises the steps: based on a virtualization interface of the system, injecting and constructing a virtualization environment of Magisk; after a command for starting the system is obtained, dynamically loading a kernel module of the Magisk; creating a virtual mounting layer in the dynamic loading to obtain a virtualized partition; the modification of the Magisk is redirected to the virtualization partition, so that the modification of the Magisk is all limited in the virtualization environment; and configuring an automatic mounting script to regularly and automatically check the mounting state of the virtualized partition, and immediately remounting the virtualized partition when the mounting fails. Through a virtualization technology and a dynamic loading mechanism, the function integration of Magisk is realized on the premise of not modifying boot.img, the installation process is simplified, and the system security and stability are improved.

The invention provides a communication module function extension method and system applying dynamic loading, and relates to the technical field of communication, and the method comprises the steps: firstly, determining a dynamic loading trigger condition space containing function requirements, module resources and external environment trigger conditions, and collecting data to generate a trigger condition matching data set; then screening adaptive function modules from a preset function module library, and matching corresponding information based on different triggering conditions to generate an adaptive function module set; then carrying out cooperative adaptation processing on the adaptation function module and the communication module to generate a cooperative adaptation result; dynamically injecting a module based on a collaborative adaptation result and constructing a function extension calling architecture; and finally, collecting operation interaction data to generate a communication module function extension running chart, thereby realizing flexible, efficient and stable extension of the communication module function, and improving the adaptive capacity and competitiveness of the communication module.

The invention relates to the technical field of data loading, in particular to a game virtual object resource dynamic loading method and system.The method comprises the steps that original loading delay data of a virtual object in a dynamic scene is collected, and correction data is obtained through preprocessing; analyzing system load data in real time, and quantifying resource allocation fluctuation quantity caused by load fluctuation; based on the fluctuation quantity and the correction data, controlling the loading delay within a preset performance range through a feedback control algorithm, and collecting resource occupation distribution data at the same time; testing resource operation states under different scheduling strategies by using a performance simulation method, and generating a simulation result; determining resource scheduling optimization parameters through an optimization algorithm in combination with the game frame rate fluctuation data and the simulation result; finally, a game engine loading mechanism is adaptively adjusted based on parameters, dynamic response to load change and delay fluctuation is achieved, resource scheduling rationality and loading efficiency are improved, and the problems that delay control lags behind and optimization capacity is insufficient in a traditional static scheduling strategy are solved.

The invention relates to the technical field of software upgrading, in particular to a multi-software dynamic loading and upgrading method and device, equipment and a storage medium. The method comprises the following steps: determining a target processor and a required operation type in response to an instruction received from an upper computer; calling a dynamic loading module or an upgrading module in the target processor based on the required operation type and the switching flag bit; when the dynamic loading module is called, reading the corresponding target software program according to the switching flag bit, and loading the target software program into the target processor to realize switching operation of the application program; when the upgrading module is called, software program content sent by the upper computer is received, and the software program content is written into a preset program area; and the response information after loading or upgrading is completed is sent to the upper computer, so that the flexibility of the embedded heterogeneous system is improved.

The invention relates to the technical field of terminal computing power visualization, in particular to a configuration method and system for a dynamic loading strategy of a large-scale 3D model in a digital twin visualization platform, and the method comprises the following steps: collecting front-end burying point data, uploading user data, preprocessing the user data, constructing a user behavior database, and selecting a machine learning model. Model construction and training, machine learning prediction, dynamic loading strategy configuration and loading strategy optimization are carried out; the method has the beneficial effects that the user behavior data is collected through the front-end burying point, and the user concern area is predicted by applying machine learning, so that the dynamic optimization of the loading strategy is realized. According to the method, the loading efficiency of the large-scale 3D model is effectively improved, the waiting time of the user is shortened, meanwhile, according to different attention degrees of the user, the mode of combining preloading and loading as needed is adopted, the smooth experience of the attention area of the user is guaranteed, and system resources are saved.

The invention provides an applet on-demand dynamic loading and subpackaging method based on a unified subpackaging mode, relates to the technical field of mobile application development, and comprises the step of realizing on-demand loading and page rendering by establishing standardized configuration information, a subpackaging resource list, a subpackaging life cycle state machine and a subpackaging dependency graph and combining a subpackaging runtime manager. According to the method, the initialization loading time can be shortened, the memory occupation can be optimized, the small program starting performance can be improved, and meanwhile, the development complexity can be reduced and the cross-platform compatibility can be improved through a standardized subpackage mechanism.

A system for secure dynamic loading and execution of web workers and WebAssembly modules in web-based communication applications employs a reusable generic worker approach. The system includes a main application executing in its own environment subject to a first content security policy, which loads a first web worker from a resource indicated by this policy. The first web worker executes in its own environment, specifies a second content security policy, and dynamically loads and executes additional web workers or compiles WebAssembly modules upon request from the main application. This approach improves flexibility, efficiency, and security by offloading resource-intensive tasks, simplifying security implementations, enhancing scalability, and boosting performance for real-time audio and video processing in communication applications.

The invention relates to an avionics application configuration method based on message driving and a dynamic loading mechanism, which comprises the following steps of: generating a hierarchical binary configuration file containing port configuration information and mapping configuration information based on an avionics system interface control file in a construction stage, and analyzing and loading the binary configuration file to a global structure body in an operation stage, according to the method and the system, the mapping configuration information is automatically matched according to the message type of the to-be-processed message, and after parameter configuration is carried out on the corresponding equipment port according to the port configuration information, data reading and writing are carried out by utilizing the information in the equipment resident index, so that message driving and dynamic loading of application configuration are realized. According to the method, manual configuration errors can be avoided, multi-protocol adaptation is supported, only binary configuration files need to be updated when protocols are modified, the operation can be carried out offline, port mapping and related settings are automatically matched by the system according to message types, and therefore the configuration management efficiency and reliability of the avionics system are improved, and the integrity of configuration data is guaranteed.

Disclosed herein are systems and method for managing frontend application dependencies. In one aspect, a method includes: in response to determining that a first frontend application requests functionality that is not present in a first interface library of the first frontend application, activating a frontend loader application that loads an original library implementation with code for performing the functionality; injecting, via the frontend loader application, the original library implementation into a window object that functions as a specialized storage area; accessing, via the first frontend application, the original library implementation from the window object; and executing the functionality via the first frontend application using the original library implementation.

The application discloses a multi-degree-of-freedom decoupling component for wind wave flow simulation under a supergravity field and a use method thereof. The component comprises a decoupling component, a dynamic loading device and a model. The decoupling component has six degrees of freedom. The decoupling component comprises an adapter ball, a transmission rod, a sliding bearing shaft and a fixer. The fixer is fixedly connected with the model. The fixer is installed at both ends of the sliding bearing shaft. One end of the transmission rod is also installed on the sliding bearing shaft. The other end of the transmission rod is sequentially connected with the adapter ball and the dynamic loading device. The decoupling component can decouple the six degrees of freedom and has high sensitivity. The model can freely deform in the soil under the premise that no additional constraint is added in the supergravity field. The decoupling component has simple structure and small space occupation, is more suitable for use in the limited space of the model box and can simulate the simultaneous action of three different types of loads, i.e. sea wind, sea wave and sea current under the supergravity field.

The embodiment of the invention discloses an application management method and device, electronic equipment and a computer readable storage medium, and belongs to the technical field of application management.According to the embodiment of the invention, a dynamic loading path and a static loading path of a target application are obtained, and the static loading path and the dynamic loading path are fused; according to the embodiment of the invention, the target loading path of the target application is obtained, and the compressed file of the target application can be decompressed according to the target loading path in response to the starting instruction of the target application. Thus, by optimizing the loading path of the target application, the optimized target loading path can better adapt to the actual use scene of the target application, and meanwhile, the compressed file of the target application can be decompressed more efficiently and reasonably, so that the starting delay of the target application is effectively reduced, and the use experience of a user is improved.

The application relates to a rendering method of large-space AR content. The large space is divided into space units in multiple levels. Real-time and predicted positions of a user are acquired to add state marks of an instant location, a potential reachable location and an unreachable location. A differentiated loading strategy under each unit is configured according to the state marks, and then large-space rendering is performed. Through hierarchical space management and a dynamic loading strategy, the method realizes accurate matching of virtual assets and space where the user is located and potential reachable space, significantly reduces the amount of redundant asset loading, reduces terminal resource consumption, avoids picture discontinuity, greatly improves the rendering efficiency and smoothness of large-space AR content, and enhances the immersion and interaction stability of virtual-real fusion.

The invention discloses a front-end resource management method and device for modular dynamic loading, equipment and a medium, and relates to the technical field of resource management, the method comprises the following steps: customizing configuration based on a resource loading demand so as to carry out configuration initialization, and dynamically generating a resource path based on parameters in the configuration; resource loading is carried out, and resource loading is controlled in combination with a cache control mechanism, a failure retry mechanism and a main thread idle loading mechanism. The parameters in the configuration comprise version, localPath, retryOnError, and maxRetry, and the parameters in the configuration comprise version, localPath, retryOnError and maxRetry; the version represents a resource version number; the localPath represents whether a local path is used or not, and the default value is false; the return OnError represents whether automatic retry is carried out after the start failure, and the default value is false. According to the method and the device, the front-end resource dynamic loading can be efficiently, flexibly and reliably realized.

The invention discloses a method and a system for realizing a security acquisition software plug-in with dynamic characteristics for an electric power monitoring system, and aims to solve the problems of difficulty in function extension, insufficient security and poor resource isolation of a traditional electric power monitoring system. According to the system, through a plug-in architecture design, a plug-in function module is realized in a dynamic library form, and dynamic loading, unloading and security isolation operation are supported. The plug-in is started through the sub-process, the main program ensures the legality of the plug-in through SM2 certificate verification, and efficient interaction between the main program and the plug-in is achieved through a callback function mechanism. The plug-in supports dynamic memory allocation, and potential safety hazards caused by predefined field length are avoided. Core rights points of the method comprise plug-in expansion capability, sub-process isolation, SM2 certificate verification, a transparent transmission mechanism and dynamic memory management, and the function expansibility, the safety and the operation stability of the power monitoring system can be remarkably improved.

The application provides a one-to-many service discovery and dynamic loading method and system in a Hongmeng application, comprising: AST analysis of ArkTS source code by a TypeScript compiler API in a compilation period, identification of a class marked by a @HMModularService decorator, extraction of a service path, a class name, a module name, an instantiation mode and a unique identifier as metadata, generation of a module-level mapping table and merging into a global mapping table, and establishment of a one-to-many mapping relationship from the service path to an implementation item array; loading of the global mapping table into a memory Map structure in a running period, receiving of a service query request from a calling party, searching for a corresponding implementation item according to the service path and supporting of filtering according to an identifier; dynamic loading of a target HSP module by calling a napi_load_module_with_info native interface, obtaining of a constructor from an export object and creation of an instance, and caching of a singleton mode implementation item.

The invention provides a terahertz communication platform OMC system PNP plug-in and a dynamic loading method. The method comprises the steps that a PNP plug-in frame of an equipment adaptation layer is constructed in an OMC system, and a tool type is initialized; after original binary data reported by equipment is packaged into a JSparam object, a system dynamically loads a corresponding PNP plug-in according to the type of the equipment to carry out data analysis, converts a physical quantity value into a standard JSON format and returns the standard JSON format to an OMC system; the system carries out storage updating, state display and alarm management on the standardized data; when the OMC issues a control command, the command is converted into a device specific protocol format through a conversion function of the PNP plug-in and then issued to a target device, and transparent management and hot plug type expansion of a device protocol are achieved.

The invention discloses a real-time compiling method and device, equipment and a storage medium, belongs to the field of data processing, and can solve the problem that a program cannot be compiled on a target platform in real time. The method comprises the following steps: converting source codes in a character stream into a symbol set through a lexical analysis state machine; processing the grammar symbols in the symbol set through an analysis engine to generate corresponding intermediate representations; the intermediate representation is processed through an assembly generator and a node distributor, a binary file corresponding to a target platform is obtained, and the binary file at least comprises a first machine instruction corresponding to the target platform; and compiling the dynamic code through a real-time compiling engine to obtain a second machine instruction corresponding to the target platform, and putting the second machine instruction into a dynamic loading library to load and run the second machine instruction.

The invention provides a data processing method and a related device. The method comprises the following steps: determining a target node matched with a user view range in a preset hierarchical structure; determining a to-be-loaded dynamic loading object according to the identifier of the Streamless Object component recorded in the target node, and determining the to-be-loaded dynamic loading object according to the data block represented by the target node and the Datalayer configured by the dynamic loading object; and when the SLOD resource file of the dynamic loading object to be loaded is obtained, loading the SLOD resource file of the dynamic loading object to be loaded. The to-be-loaded dynamic loading object is the dynamic loading object located in the data block represented by the target node, the loading of the dynamic loading object in the data block can be maintained regardless of the distance from a user, and the dynamic loading and unloading frequency is reduced. And when the dynamic loading object is loaded, only the object instance under the SLOD level of the dynamic loading object needs to be loaded, so that the memory occupation is reduced to a certain extent.

The invention discloses a dynamic loading method and system for embedded devices, comprising the following steps: step S1: a host burns firmware and dynamic library files to a storage medium of the embedded device; step S2: running the firmware in the memory of the embedded device; in step S1, a dynamic library generation module generates corresponding dynamic library files from dynamic library source codes according to functions, and the firmware source codes are integrated with the dynamic loading module and compiled to generate a firmware file; wherein, information of the corresponding dynamic library file is stored in the firmware file, and the information at least includes the dynamic library name, the starting address of the dynamic library file in the storage medium, and the memory size occupied by the dynamic library file in the storage medium; in step S2, when the firmware runs to load a certain library function, the corresponding dynamic library file is found in the storage medium according to the information of the corresponding dynamic library file stored in the firmware file, the dynamic library file is mapped to the memory, and a global dynamic symbol table of the dynamic library is constructed to call the library function.

The invention discloses an industrial and commercial energy storage control system and a dynamic loading method based on a modularized architecture, and relates to the technical field of energy storage control, and the method comprises the steps: 1, collecting the voltage, current and other electrical data and temperature data of a parallel energy storage converter in real time, and carrying out the preprocessing; step 2, assigning identifiers to each converter, calculating the total value of the voltage difference and the current difference, building a circulating current model by combining temperature fluctuation, comparing with a threshold value, if circulating current needing to be processed exists, entering step 3, otherwise, ending or returning; and 3, triggering a circulating current suppression algorithm, and adjusting the output voltage by using a modularization instruction. The logarithmic function circulating current model is established by combining the voltage difference, the current difference total value and the temperature fluctuation, the detection accuracy and robustness are improved, and normal power distribution and abnormal circulating current can be distinguished; the modularized suppression strategy can dynamically load instructions, preferentially reduce the voltage, regress after boosting the voltage if the load is abnormal, and improve the control flexibility and the system stability through closed-loop regulation and control.

The invention discloses an external shared library dynamic loading method and device, equipment and a medium, and relates to the technical field of external shared library dynamic loading, and the method comprises the following steps: obtaining a file list of a plurality of external shared library files to be loaded; according to the sequence of the file list, selecting a target external shared library file from the plurality of external shared library files in sequence, and loading the target external shared library file to a preset target system; if the target external shared library file fails to be loaded, analyzing a missing dependent shared library file from error information returned by the target system; judging whether the dependent shared library file is in a file list or not; and if the dependent shared library file is in the file list, adjusting the sequence of the dependent shared library file in the file list to be in front of the target external shared library file, and reloading the dependent shared library file. According to the method, high automation and intelligence of the loading process can be achieved on the premise that the dependency relationship does not need to be pre-judged manually, the loading success rate and the development efficiency are remarkably improved, and the technical threshold and the maintenance cost are reduced.

The invention discloses a multi-source heterogeneous data fusion method based on dynamic loading. The multi-source heterogeneous data fusion method is applied to the field of data fusion integration of different data sources and different structures. The method comprises the following steps: (1) constructing a reliable data acquisition layer comprising a main data platform, a unified data integration interface service realized based on message middleware, and an integrated log management module; (2) in a data loading and data processing stage, cleaning and integrating data by adopting dynamic fragmentation and streaming processing, and constructing a multi-level authority control function based on role and data attribute matching and a full-process data transmission and storage encryption and decryption function based on an annotation technology aiming at a data security problem; and (3) constructing a user-defined data display layer. The method mainly solves the problems that data transmission is unreliable, authority control is dispersed and granularity is inconsistent in data processing, and dynamic data cannot be displayed in a user-defined mode, and an effective method is provided for full-process data fusion of a discrete manufacturing enterprise information system.

The present application relates to a kind of executable engineering dynamic loading and debugging method based on RISC-V, based on the original engineering containing static library generates main engineering and independent executable engineering;Increase the dynamic call running interface function written with assembly language in main engineering, so that main engineering can load the executable file generated by executable engineering;Executable engineering establishes a function pointer table for calling main engineering function, realizes the call to main engineering function;The main engineering and independent executable engineering are dynamically debugged respectively;In debugging engineering, create adaptive processing function of debugging print information, so that program can automatically identify current environment, such as in debugging environment, then carry out normal output debugging information, such as in non-debugging environment, program can skip output debugging information interrupt instruction and continue running. Realize the flexible inter-module function call mode based on RISC-V processor and realize the environment adaptive processing function of debugging print information.