320 results about "Embedded software" patented technology

The invention discloses an automatic software function testing and evaluating method based on a multi-modal large model, and particularly relates to the field of non-embedded software function testing and evaluating, which comprises the following steps: collecting software texts, images and structured data, generating corresponding feature vectors, aligning through a cross-modal comparison algorithm, and constructing a multi-modal testing and evaluating data set; deep features of all modes are extracted through a mode exclusive encoder, and a unified multi-mode function vector is output based on information entropy dynamic weighted fusion; constructing triple training data, and optimizing the multi-modal large model by combining a joint loss function with an enhanced training strategy; and finally, deploying the model at a cloud end and an edge node, carrying out real-time triggering test by docking a CI / CD process, and realizing functional integrity verification, interactive compliance detection and accurate defect positioning through semantic vector comparison, graph isomorphism rate calculation and cross-modal attention backtracking. According to the scheme, the test comprehensiveness and precision are improved, and the rapid iteration requirement of software is met.

The invention discloses an intelligent household electrical appliance interaction control system based on embedded software. A system operation process specifically comprises the following steps: acquiring a user input signal; analyzing the user input signal based on an embedded software architecture to generate a standardized control instruction; establishing communication connection with a plurality of intelligent household electrical appliances through an Internet of Things protocol, and obtaining real-time environment data and real-time operation states of the intelligent household electrical appliances; performing conjoint analysis on the user historical behavior data and the user input signal; adjusting operation parameters of the intelligent household electrical appliance; and returning interaction response information to the user through at least one mode of a voice feedback module, a touch interface, a gesture recognition interface or a mobile phone APP. The method has the following advantages and effects: multi-mode instructions can be adaptively fused, the equipment capability and the user intention can be dynamically matched, and cross-equipment and cross-protocol efficient and accurate control is realized through standardized instruction generation, real-time load sensing and priority dynamic calculation.

The invention discloses an unmanned aerial vehicle monitoring system which is designed on an embedded software architecture layer, adopts a hierarchical data processing architecture and comprises a peripheral driving layer, a protocol analysis layer, a data management layer, a tracking and capturing layer and an information reporting layer so as to ensure high efficiency and expandability of the system. After unmanned aerial vehicle identification, the system has an unmanned aerial vehicle capturing and tracking function, and combines GNSS positioning information and a dynamic trajectory prediction algorithm to calculate the real-time position and flight trajectory of the unmanned aerial vehicle, so that effective monitoring of the unmanned aerial vehicle is realized, and the real-time safety of a low-altitude airspace is ensured.

The invention discloses a cross-platform communication protocol stack test system and method based on Autosar. The system comprises a GitLab server, a first source server, a control host, an Autosar CP and a test host AP. The GitLab server generates CP and AP version packages and triggers compiling and testing processes; the first source server remotely controls the embedded software development tool of the control host to complete compiling, and the control host burns a CP compiling product to the Autosar CP by using the embedded software development tool, uploads an AP compiling product to the test host AP, and triggers the Autosar CP and the test host AP to execute a communication protocol stack test service. According to the method, efficient testing of the communication protocol stack between the Autosar CP and the AP platform is achieved through the automatic compiling and testing process, the testing accuracy and universality are effectively improved, and the method is suitable for the testing scene of the automobile cross-platform communication protocol stack.

The invention relates to the technical field of industrial control automation, and discloses an event-driven embedded software architecture implementation method and system, and the method comprises the steps: creating a resource object priority group, and initializing a data structure for managing a theme subscription state; allocating priorities for resource objects in the system, and registering each resource object into a priority group of the corresponding priority; subscribing the theme for the resource object, and recording subscription information in the data structure for managing the theme subscription state; in response to an event triggering condition, creating an event object containing a theme identifier, determining priority group information for subscribing the theme based on the data structure for managing the theme subscription state, and adding the event object into a queue to be processed; according to the method, each priority group is polled according to the priority sequence, the event object subscribed by each priority group is retrieved, the event processing function of the corresponding resource object is called for processing, and the framework realized through the method reduces the coupling among the modules.

The invention discloses an intelligent unmanned vehicle system for a rescue task scene, relates to laser radar mapping, automatic driving and target detection and recognition, and belongs to the technical field of embedded artificial intelligence. The invention aims to solve the problems that an existing automatic rescue robot cannot meet the navigation requirement of a complex environment rescue scene task, cannot make a decision in real time, does not have a man-machine interaction function and the like. According to the technical key points, the laser radar mapping module is used for sensing environment information and converting the environment information into map data; the path planning module is used for calculating an optimal cost path between the starting point and the target point according to the obtained map data, generating motion data and outputting the motion data to the system; the target detection module is used for acquiring image data through a depth camera, identifying a to-be-detected target, generating three-dimensional coordinate data of the target and outputting the three-dimensional coordinate data to the system; and the voice interaction module is used for acquiring an external voice instruction in man-machine interaction and controlling a robot system to make decisions in real time. According to the invention, a set of automatic robot embedded software which can automatically navigate and automatically scan the surrounding environment to identify the target after reaching the target point is developed, and the robot can flexibly adjust the decision when facing a complex environment due to the automatic design carrying artificial intelligence; and the strain capacity of the unmanned robot system for uncertain environmental factors is improved.

The invention relates to the field of Internet of Things equipment security upgrading, and discloses an intelligent washing machine embedded software online upgrading method and system, and the method comprises the following steps: 1, a server side stores an encrypted upgrading program file and calculates a verification value, issues the verification value in a wireless manner at a set time, generates an equipment uniqueness voucher based on a physical unclonable function, and sends the equipment uniqueness voucher to the server side; establishing equipment identity binding; 2, dynamically calculating a network coding parameter based on the equipment uniqueness voucher according to a real-time channel quality parameter; and 3, based on the network coding parameters, carrying out dynamic block network coding transmission on the upgrade data, and generating an encrypted upgrade data packet by adopting chaotic encryption in the transmission process. According to the invention, an end-to-end security authentication system is realized by binding the unique voucher of the equipment and establishing an encrypted transmission channel. According to the scheme, the unauthorized access and firmware tampering are effectively prevented by utilizing the dual guarantee of hardware features and a cryptographic algorithm.

The invention relates to the technical field of embedded system development and verification, and discloses an embedded software full-digital excitation deployment method, system, device and medium, and the method comprises the steps: based on a virtualization modeling technology of a multi-core heterogeneous system, simulating a CPU architecture, an operating system, board card peripherals and peripheral interfaces of a target processor, constructing a general digital target machine; a cross-platform communication framework is established based on a real-time communication transmission technology of direct digital frequency synthesis, and real-time synchronization of data of a virtual environment and an interaction object is completed; and through cooperation of the general digital target machine and the cross-platform communication framework, full-digital deployment and verification of the embedded software are completed. According to the method, full-digital development and verification of the embedded software can be realized, a research and development mode of parallel hardware development, software development and system function verification is met, and the research and development efficiency of the embedded software is improved.

The invention particularly relates to an exciter virtualization-based airborne application software simulation running environment construction method, which comprises the following steps of: carrying out digital packaging on an operating system interface to realize virtualization running of an embedded real-time operating system; digitally packaging communication interfaces such as a 1553B bus, an ARINC429 bus, discrete magnitude and the like so as to reproduce real avionics communication characteristics in a virtual environment; and simulating a peripheral software and signal interaction process so as to realize virtual generation and response of the multi-source excitation signal. By constructing the simulation running environment, the dynamic test of the airborne embedded software can be carried out under the condition of no real hardware, so that the test sample space is expanded, the test coverage rate and sufficiency are improved, the design and execution efficiency of a dynamic test case is improved, repeated manual operation is reduced, the test cost of the airborne embedded software is reduced, and the test efficiency of the airborne embedded software is improved. The economic benefit is improved.

The invention discloses an application method and equipment of an expandable multi-mode switching embedded software framework, and relates to the field of embedded software development, and the method comprises the following steps: by taking a mode scheduler as a core, defining and registering a mode object through an expandable mode standard interface; the mode scheduler executes the starting function of the initial mode and circularly executes the running function of the current mode, and the parameter manager manages parameters. When the fault detection processor detects a fault and sends a switching request, the mode scheduler calls a switching feasibility judgment function of the current mode to make a decision; and if so, executing old mode exit cleaning, parameter synchronization, new mode starting preparation, fault detection mounting and parameter loading, and putting into operation. According to the method, plug and play of the mode is realized, code modification is limited in the mode, and the mode content is managed and controlled in a centralized manner, so that the system maintenance cost is reduced, the expandability and the stability are improved, and safe and smooth switching and isolation management between the modes are realized.

The invention relates to the technical field of edge computing and intelligent voice interaction crossing, in particular to an embedded software real-time interaction method and system based on a large model, which comprises an embedded software module used for providing hardware control and business logic functions of a bottom layer and constructing a local model context protocol tool set, and a large model module used for establishing a local model context protocol tool set. And the large model module is deployed on embedded equipment, is used for carrying out natural language understanding and task planning, and comprises a small large language model subjected to supervision fine tuning, quantification and reasoning acceleration, an intelligent agent module and a man-machine interaction module. By means of the strong natural language understanding and generating capacity of the large language model, a user can use natural and spoken instructions to interact with the system, the constraint of a fixed command mode is thoroughly got rid of, the large language model has deep context understanding and logical reasoning capacity, multi-step and multi-condition complex instructions can be processed, and the user experience is improved. And an execution path is automatically planned.

The invention discloses an online upgrading method for a single-chip microcomputer with codes running in an RAM (random access memory) without resetting, and relates to the technical field of embedded software, a flash memory is divided into two storage areas, and the RAM is divided into a variable area, two interrupt vector table areas and two code areas. When the single-chip microcomputer is powered on, codes run in the first flash memory storage area and the first RAM code area. And after receiving the upgrade package, writing the upgrade package into the second flash memory storage area. After upgrading is finished, the RAM area of the second flash memory storage area is processed and migrated to the second RAM code area, meanwhile, the interrupt vector table is processed and migrated to the second RAM interrupt vector table area, and new firmware codes are stored in the second flash memory storage area, the second RAM code area and the second RAM interrupt vector table area. And then exchanging codes of the first flash memory area and the second flash memory area, and pointing an interrupt vector table pointer to a second RAM interrupt vector table area, thereby realizing real-time updating of firmware of the flash memory area and the RAM area of the single-chip microcomputer without resetting.

The invention discloses an embedded software architecture method applied to a digital power supply. The embedded software architecture method comprises the following steps: S1, timed scheduling basis: generating a tick mark; a hardware timer of the MCU / DSP is taken as a core, and a tick mark with a fixed period is generated and is taken as a time reference of task scheduling of the whole system; s2, task cycle division: according to product requirements, disassembling functions into different tasks, and allocating corresponding execution cycles; s3, a time-sharing scheduling mechanism: only executing a task of a current time slice in each ticking cycle; s4, simulating operation system logic: realizing multi-task processing through'round-robin '; s5, core interruption: a loop control algorithm; pWM period interruption or ADC sampling interruption is used for triggering, the priority is the highest, and only loop control is executed. According to the invention, the problems that the real-time performance is low and the response time is uncontrollable and long when a general embedded operating system is applied to digital power supply control software are solved.

The invention discloses a low-cost satellite-borne core circuit, an operation method and an electronic device, and belongs to the field of satellite communication circuit design, the low-cost satellite-borne core circuit comprises an embedded MCU, a peripheral circuit and embedded MCU software, the peripheral circuit is connected with the embedded MCU, and the embedded MCU software is loaded and operated by the MCU. According to the invention, based on a new generation of vehicle-gauge-level embedded MCU and peripheral components, the cost of components applied to low-orbit satellite-borne products is greatly reduced; according to the circuit design, multiple redundancy reinforcement technical means such as MCU processor redundancy backup, external interface circuit redundancy backup, software program storage redundancy backup and software triple modular redundancy reinforcement are adopted, and the operation reliability of a core circuit in a low-orbit satellite-borne environment is ensured.

The invention relates to the technical field of embedded software development, and discloses a finite-state machine automatic generation method and system and related equipment, and the method comprises the steps: obtaining a table path corresponding to a preset table; wherein the configuration generated by the state machine code framework filled by the user is stored in the preset table; on the basis of the table path, configuration in a preset table is captured through a python script, and a state machine code framework is generated; and storing the state machine code framework in a preset storage path specified by a user, so that the user can check the state machine code framework. According to the method and the device, the state machine code framework is automatically generated through the script written by the python language, so that the complexity of personally writing the code by a developer is avoided, and the development efficiency is improved.

The invention relates to the technical field of embedded system development and verification, and discloses an embedded software full-digital deployment verification platform, which comprises a basic environment support layer, a platform business layer, a man-machine interaction layer and a core service layer, the man-machine interaction layer provides an external operation inlet, and the core service layer provides core service support for each layer; the core service layer comprises a dynamic modeling engine, a task scheduling engine, a data service engine and a process management engine, the dynamic modeling engine executes processing board card modeling and functional module modeling, the task scheduling engine executes excitation deployment, and the data service engine and the process management engine cooperatively execute excitation evaluation. According to the method, the research and development efficiency of the embedded software can be effectively improved in a research and development mode of parallel hardware development, software development and system function verification.

The application discloses a kind of concurrent test method and system of protocol and interrupt procedure in industrial control system, belong to software testing and software reliability field.The application is directed to the problem that potential data race in interrupt-driven embedded software is difficult to accurately identify, proposes to record events by program insertion, generate original execution sequence, and obtain filtered sequence after filtering irrelevant events, construct event sequence that can trigger data race in combination with interrupt information;By determining the necessary event set and the necessary partial order set, the partial order relationship between events is established based on directed graph and closure calculation is carried out, to judge whether data race really occurs.The application can accurately capture interrupt-related synchronization information, efficiently detect potential data race, and significantly improve the accuracy and reliability of concurrent testing of industrial control system software.

The application provides a method for protecting all memory space addresses based on a limited number of MPU configuration areas, which comprises the following steps: setting a configuration area (X-1) and 0 as inaccessible, and dynamically accessing the configuration area (X-1) by an exception processing function, so as to realize the method for configuring different access permissions of all memory addresses, effectively solve the problem that many scattered memory address spaces cannot be protected due to the limited number of hardware MPU configuration areas in the traditional scheme, and simplify the steps of configuring memory attributes and permissions, and improve the efficiency of embedded software development.

The invention provides an EtherCAT slave station gateway for semiconductor temperature control equipment. The EtherCAT slave station gateway comprises a hardware layer and a software layer, wherein the hardware layer comprises an embedded semiconductor industrial equipment communication gateway, an integrated power supply module, a main control module, an Ethernet communication module, an EtherCAT slave station module and a 24V input and output port module; the software layer is an embedded software system with a layered architecture, is divided into an application layer, a protocol layer and a hardware abstraction layer, and realizes business logic processing, communication protocol conversion and software and hardware interaction decoupling. Through cooperative work of hardware and software, data transmission based on the EtherCAT protocol between the semiconductor production equipment host and the Chiller can be achieved, the real-time performance, accuracy and system maintainability of data transmission are improved, and the requirements of semiconductor production for high precision and high stability of temperature control are met.

The invention provides an embedded software automatic testing method and system based on a model, and relates to the technical field of embedded software testing. The method comprises the steps of obtaining a software demand design project, obtaining a software interface design project, constructing a software test model, automatically decomposing the test model, automatically generating test data, automatically generating a test script, automatically performing test execution and automatically generating a test document. The system comprises a software requirement design engineering analysis module, a software interface design engineering analysis module, a software test model generation module, a test model automatic decomposition module, a test data automatic generation module, a test script automatic generation module, a test execution module and a test document generation module. According to the method, demand design, interface design and a software test platform are integrated together, resources are shared, integrated management of software design and software test is achieved, and the efficiency and quality of software test demand analysis are improved.

The invention discloses a micro-service-based embedded software intelligent synthesis development platform architecture design method, which comprises the following steps of: decomposing a code intelligent synthesis process into four parts, namely demand analysis, IP (Internet Protocol) retrieval, code synthesis and code verification, then performing flow decomposition on each part, designing into a plurality of tools, designing the four functions into four types of 11 tools, furthermore, through carrying out micro-service splitting on 11 tools and carrying out integrated deployment on various micro-services by adopting a cloud-based native micro-service cluster architecture, an intelligent synthesis development platform for the embedded software code is constructed, so that the whole process of automatically synthesizing the embedded software code from a demand protocol is realized; the defects of an existing code generator are well overcome, and the method has great significance in promoting the transformation of an embedded software development mode.

The invention discloses a method and a device for testing embedded software of airborne equipment. The method comprises the following steps: calculating a current clock skew drift rate according to time information in a synchronization message sent by target equipment; calculating a predicted clock skew with the target device according to the current clock skew drift rate; dynamically adjusting the clock frequency according to the preset clock skew, and synchronizing with the target equipment; and executing the test case to test the to-be-tested software on the target equipment. According to the high-precision time synchronization method based on the drift adaptive synchronization algorithm, the problems of real-time verification and time synchronization in embedded software testing are solved, the requirement for high time precision of civil aircraft airborne equipment is met, and the precision and robustness of test cases are improved.

Methods for determining the reliability of a technical system using fault tree analysis, comprising the following steps: S1 - Defining basic events of fault tree analysis; S2 - for each basic event, defining a fuzzy linguistic variable and a set of membership functions; S3 - at least partially based on real-time embedded software, defines a minimal cutting set for linguistic fault tree analysis; S4 - at least partially based on the minimum intersection theorem, determining the reliability of the technical system. Furthermore, the invention relates to a control unit, vehicle system, a computer program product and a computer-readable medium for executing the method.

The invention discloses a test priority evaluation method based on airborne embedded software, which relates to the field of software engineering verification, and comprises the following steps: decomposing functional modules corresponding to the airborne embedded software based on requirements to obtain a plurality of decomposed functional modules; obtaining a safety influence degree grade score and an importance grade score of the decomposition function module; calculating a comprehensive grade score according to the safety influence degree grade score and the importance grade score; defining priorities and permissions thereof according to the comprehensive grade score; and formulating a test priority result judgment criterion according to the priority permission definition so as to obtain a test priority result matrix according to the criterion. According to the method, a high-safety evaluation criterion for safety influence degree analysis in a function failure mode and the importance and judgment criterion of the function module are defined, and a comprehensive evaluation criterion is defined by combining the maturity and the importance of the software module and a project development stage; the practical application requirement of a project is met, and the test work can be safely, reliably and quickly deployed and developed.

The present application belongs to the technical field of embedded software virtualization testing, and particularly relates to a fault injection method for a QEMU-based all-digital digital prototype. The present application divides faults into three layers, i.e. an atomic fault injection layer, a composite fault injection layer and a fault injection simulation test layer, provides four types of atomic fault injection, i.e. register fault, memory fault, bus protocol fault and bus load fault, and provides composite fault injection and fault case set injection. The present application takes the QEMU-based all-digital simulation digital prototype as an injection target, improves the reliability of fault injection results, and realizes fault injection at different levels from the physical layer to the application layer through the provision of three levels and four dimensions of fault injection modes and rich fault injection methods, thereby improving the fault tolerance and reliability of embedded software and improving the testing efficiency.

The invention discloses an embedded software online upgrading method, device and equipment, and is used for upgrading target embedded software in the equipment, the equipment comprises two system software partitions, and the method comprises the following steps: responding to a target embedded software upgrading instruction, and upgrading the target embedded software between the two system software partitions; switching a system software partition mounted by the target embedded software running directory; copying an upgrading software package of the target embedded software to the switched system software partition, upgrading the target embedded software, and starting the upgraded target embedded software; and under the condition that the target embedded software runs normally, changing a system software partition mounted by a software running directory during starting or restarting into the switched system software partition. Therefore, the problem that in the existing target embedded software upgrading process, if any abnormality exists, a system cannot run online and reliably in time is solved.

The invention relates to the technical field of embedded software radio, in particular to a remote procedure call (RPC) system and method based on MHAL / MOCB. The SCA platform software architecture is used for an SCA platform software architecture core framework comprising a server side and a client side; and the core framework client establishes connection with the core framework server by means of the RPC middleware based on the MHAL / MOCB remote procedure call. The server and the client among the nodes are communicated on the SRIO bus by adopting a protocol based on a hardware abstraction layer (MHAL / MOCB), and the communication speed is higher than that of the traditional Ethernet based on TCP / IP (Transmission Control Protocol / Internet Protocol).

The present application belongs to the field of vehicle-mounted, and relates to a wireless debugging method and device for a vehicle-mounted terminal, computer equipment and a storage medium. The method comprises the following steps: obtaining SSH source code, integrating an executable program generated from the SSH source code into the vehicle-mounted terminal; authorizing and configuring the running and closing of the SSH executable program; authorizing the vehicle-mounted terminal to run the SSH executable program; opening a vehicle terminal hotspot of the vehicle-mounted terminal; debugging the vehicle-mounted terminal through an external electronic device connected to the vehicle terminal via the vehicle terminal hotspot; and when the debugging is completed, authorizing the vehicle-mounted terminal to stop running the SSH executable program. The method improves the debugging efficiency, enhances the system security, simplifies the operation process, and ensures the stable operation of the vehicle-mounted terminal. The embedded software can be wirelessly connected and debugged during the debugging stage to facilitate problem troubleshooting and effective encryption protection. Even when the upgrade cannot be realized after the sale, the terminal can be wirelessly entered at any time for upgrade, and the customer does not need to wait for a long time.

The invention relates to the field of high-power chargers, and particularly provides a method for realizing current gradient in a high-power charger, which comprises the following steps of: presetting target charging current values and voltage upper and lower limit thresholds for different charging stages according to a charging and discharging characteristic curve of a battery, and storing the target charging current values and the voltage upper and lower limit thresholds in a charging parameter mapping table; a double-task asynchronous parallel embedded software architecture is adopted, and a foreground task is responsible for reading a target charging current value of a current charging stage from a charging parameter mapping table and writing the target charging current value into a global variable daccurrent; a background task is awakened in a timed mode through a programmable timer, the awakening period is dynamically adjusted according to the charging stage, and after awakening, a daccurrent variable is read to obtain a target current value of the current charging stage; a background task samples the actual charging current of a battery in real time through an ADC interface, and a sampling value is assigned to a global variable adcdata to serve as a basis for feedback control.

The invention discloses a brushless direct-current motor control system and a brushless direct-current motor controller adopting the same, which realize a current loop and generate a motor driving signal through hardware circuit design, cancel a rotating speed loop and a corresponding motor rotating speed measurement module, and only reserve a position loop in embedded software. The resource overhead of the embedded processor is greatly reduced, so that embedded software can bear more other work tasks, the hardware design is simplified, the product cost is reduced, and the volume and the weight of a product are favorably compressed. Moreover, according to a current loop control strategy, an existing PWM control mode is improved into current direct control, the system complexity is further reduced, the design is simplified, EMI electromagnetic interference noise in the device can be reduced, smoother rotating motion can be provided, the tiny jitter defect of a PWM driving mode at the zero-current intersection position is avoided, and the reliability of the device is improved. And a hardware circuit control mode also has the advantages of simplicity, high efficiency and quick response.