83 results about "Automotive software" patented technology

The invention belongs to the technical field of automobile information safety fuzzy testing, discloses an automobile information safety fuzzy testing method based on a large model, and develops optimization application research of LLMs in an automobile software fuzzy testing scene by utilizing the advantages of an artificial intelligence technology in the aspects of data processing, natural language interaction, generalization ability and the like. The concealment and effectiveness of the test set generated by the fuzz test are optimized, and the fuzz test process efficiency is improved. Through the implementation of the invention, related key technologies are applied to the fuzz test of the automobile, and other related products and enterprises in China are radiated by writing technical standards, so that the fuzz test system can be used as an application demonstration and sample plate of the fuzz test of the intelligent driving automobile. According to market analysis, fuzzy test calculation is carried out on 100 thousand automobiles every year according to the method, and the data safety and the system safety are improved.

In an aspect, systems and methods of connected nodes, including electronic control units (ECUs) in a vehicle, integrate remote direct memory access (RDMA) capabilities with time-sensitive networking (TSN) traffic shaper configurations in a manner that guarantees lossless, bounded-latency critical traffic (CT) streams, while also allowing for different classes of traffic to flow through the connected nodes. In another aspect, mechanisms are introduced to enable an automotive software framework (e.g., classic AUTOSAR) to support RDMA communications.

The invention discloses an intelligent network connection vehicle remote upgrading device, method, equipment, medium and product, and relates to the field of new energy vehicle software upgrading, the device comprises an upgrading service platform, an intelligent vehicle networking module and an intelligent vehicle to-be-upgraded module; the upgrade service platform communicates with the intelligent car networking module through a local area network; the upgrading service platform is used for configuring an upgrading package, selecting a to-be-upgraded intelligent vehicle and prompting an upgrading state; the intelligent car networking module and the intelligent car to-be-upgraded module are arranged on a to-be-upgraded intelligent car; the intelligent car networking module serves as an external communication interface of the intelligent car, receives the upgrade package and sends the upgrade package to the intelligent car to-be-upgraded module; the intelligent vehicle to-be-upgraded module is used for executing the upgrading instruction according to the upgrading package and feeding back an upgrading result; in the upgrading process, the remote upgrading device of the intelligent networked vehicle supports differential upgrading, breakpoint resume and software rollback after upgrading failure, and the upgrading convenience of the intelligent vehicle in a special scene can be effectively improved.

The invention relates to the technical field of automobile software testing, and discloses a software test case automatic generation method and system based on a language AI large model, and the method comprises the steps: extracting a position path, a function name and a test design direction content from user input information, generating a configuration file through a preset Prompt template, and calling the AI large model to interpret the user intention. Function, performance and regulation analysis tasks are split, an AI large model is utilized to integrate information, test design analysis is carried out, classification and redundant content cutting are carried out, self-check evaluation is completed, a formatted Markdown test design file is generated and then converted into a mind map, an engineer checks the mind map, manual modification and optimization are carried out according to needs, and the method is simple and convenient. The modified mind map is converted into a Markdown file, a formatted test case file is generated, the difference of the Markdown file before and after modification is compared through an AI large model, a Prompt template is updated, according to the method, the test case can be efficiently generated, manpower dependence is reduced, and therefore the adaptability of the test case is guaranteed.

The invention provides an automobile software development question and answer method and device, a storage medium and equipment, in the method, an automobile software demand document is used as a data basis, question and answer processing is carried out in a mode of combining retrieval enhancement generation and a large language model, and based on an automobile software development problem, the question and answer efficiency is improved. Searching a retrieval result related to the automobile software development problem in the knowledge base by adopting a keyword retrieval method and a vector retrieval method, so as to more comprehensively mine potential related information in the knowledge base; and then, reordering the retrieval results to obtain context information, and inputting the context information and the automobile software development problem into a large language model to generate an automobile software development question and answer result. According to the method, rich and accurate context information is injected into the large language model, so that model response better meets actual requirements, time and energy of a user for manually searching massive documents are saved, difficulty of the user for learning automobile software demand documents is reduced, and knowledge retrieval efficiency is improved.

The invention discloses an automobile OTA software Reset method based on an online mode, comprising an OTA management platform, a TSP platform, a TSP client, an OTA Master, an OTA Sub Master and an HMI, the OTA management platform interacts with the TSP platform through an API mode to actively send an instruction from a cloud end to an automobile end, the TSP platform is mainly used for pushing information from the cloud end to a specified automobile in an OTA scene, the TSP client is a TSP component in the automobile, and the OTA Master, the OTA Sub Master and the HMI are connected with the OTA management platform. The OTA Master is used for receiving a push instruction of a TSP platform, the OTA Master interacts with a vehicle owner through interaction with the HMI module, and the OTA Sub Master is used for receiving scheduling of the OTA Master and is responsible for executing specific functions such as flashing a certain part. The problems that when components of an OTA automobile end have problems, especially the problems of endless loop and software infinite restart, the generated influence is possibly disastrous and can only be solved in an offline recall mode, the cost is increased, and meanwhile the trustworthiness of consumers to brands is reduced are solved.

The invention discloses a service management method, system and device based on an automobile SOA framework and a medium, and the method comprises the steps: reading corresponding service configuration information when a service instance is started, and initiating a service registration request to a service registration center according to the service configuration information; the service configuration information is written into a registry through the service registration center, and the service instance is marked as a healthy state; in response to a service query request of the client, generating an available service list through the service registration center according to the service instances in the healthy state, and returning the available service list to the client; and determining a target service instance according to the service instance list through the client, and initiating service calling to the target service instance. The service reliability and the system stability under the automobile SOA architecture are improved, and the method can be widely applied to the technical field of automobile software design.

The invention discloses an intelligent network connection automobile software offline upgrading method and device based on TPM firmware, and the method comprises the steps: obtaining a target upgrading package through the TPM firmware; the target upgrade package is verified through the TPM firmware, and an upgrade package verification result is obtained; when the upgrade package verification result is successful verification, writing the target upgrade package into a storage device of a vehicle system to obtain target vehicle software; and detecting the target vehicle software to generate a detection result report. The software upgrading integrity and safety can be improved, and the method can be widely applied to the technical field of computers.

The invention belongs to the technical field of automobile software, and relates to a vehicle software flashing method, system and device and a medium. According to the invention, vehicle information and software information are uploaded to the cloud through the MES system and are stored. ECU software is flashed by combining the vehicle information and the software information stored in the cloud through the MFT terminal. And acquiring the flashed vehicle information, the DID information of the ECU software and the flashed data stream, and uploading the information to the cloud. The method comprises the following steps: acquiring effective bit information of DID information of ECU software, acquiring effective bit information of DID information uploaded by an MES system, and judging whether the effective bit information of the DID information of the ECU software is consistent with the effective bit information of the DID information uploaded by the MES system or not. If yes, ECU software flashing is qualified, and a qualified result is sent to the MFT terminal; if not, the ECU software is flashed and written again. According to the invention, accurate and efficient flashing of the vehicle software can be realized, and the phenomenon of missing flashing of the vehicle software is avoided.

The present invention relates to the field of automobile software technology, and specifically provides a vehicle-side service communication configuration method, system, device and storage medium. It includes obtaining vehicle demand information to configure the usage scenarios and functions of vehicle-side services, and building a service-oriented architecture (SOA) service model of vehicle-side services based on this. The SOA service model configures the domain identity (DomainID) value and the topic (Topic) unit parameters based on the data distribution service (DDS) communication protocol. And the DomainID value and the Topic unit parameters are set as communication parameters between functional domains. The code automatic generation module of the vehicle-side code generator generates the communication code of the vehicle-side application corresponding to each functional domain according to the communication parameters. The present invention makes the communication between services more flexible by modeling the vehicle-side function SOA service, DDS becomes a service component, and the service interface communication is configured. On the basis of the DDS standard, a unified message structure is defined and the data transmission under the same topic is achieved through the publish / subscribe communication model.

The invention discloses a method and a device for testing an automobile software unit by a tree structure, and relates to the technical field of automobile software unit testing, the method for testing the automobile software unit by the tree structure comprises the following steps: step 1, modeling by a logic tree Stateflow; step 2, carrying out an overall logic process of modeling from a logic tree Stateflow; step 3, generating a logic flow of the analysis logic tree of Stateflow from the logic tree; step 4, generating a method for calibrating the position of each node of Stateflow from the logic tree; in the first step, the positions where all juctions of the Stateflow are created are standardized through a method of calculating child nodes and characters. According to the method for realizing Stateflow modeling through the logic tree, the logic tree can be firstly combed, and then the Stateflow model is generated from the logic tree, so that logic errors can be avoided, the logic check time is saved, logic and writing specific execution are distinguished, the maintainability of the model can be ensured, and new members do not need very mature writing ability.

The invention discloses a time sequence verification method and device for an automobile software test log. The method comprises the steps that an expected log file and an actual log file are obtained, the expected log file comprises a plurality of expected log entries arranged in sequence, each entry has a plurality of structured fields, the actual log file comprises a plurality of actual log entries recorded in sequence, and each entry has structured fields corresponding to the expected log entries one to one; sequentially aiming at each expected log entry, starting from the current to-be-matched position of the actual log file, searching an actual log entry meeting a preset matching rule; if the search is successful, updating the to-be-matched position of the actual log file to the next position and continuing to match the next expected log entry, and if the search is failed, continuing to search in the subsequent entries of the actual log file until the traversal of the actual log file is completed; and finally, judging whether the actual log file passes verification or fails verification according to whether all entries of the expected log file are matched according to a preset time sequence or not.

The invention discloses a real-time task scheduling method, electronic equipment and a storage medium, and relates to the technical field of automobile software, the real-time task scheduling method comprises the following steps: generating a task scheduling table based on a pre-configured original scheduling table, and establishing a binding relationship between the task scheduling table and a task thread; wherein the number of the task threads is correspondingly consistent with the number of the task priorities configured in the original scheduling table, and each task scheduling table is bound to the task thread with the same task priority as the task scheduling table; when the system is started, task threads are created according to the binding relation, a ready task scheduling table bound with the task threads is determined, and when any task thread is triggered to be executed, tasks to be scheduled are determined based on configuration items of the ready task scheduling table, and scheduling is executed. According to the scheme, the real-time performance of periodic task scheduling is met, and the predictability of task scheduling is improved.

The invention discloses an automobile instrument software design evaluation policy information extraction method and system, a medium and equipment. The method comprises the following steps: constructing design evaluation policy annotation data containing noise; screening a clean set and a noise set from the design evaluation policy annotation data based on a k-fold cross validation method; combining the clean set and the noise set based on a weighted weak supervision loss function to perform weighted training on an information extraction model to obtain a trained information extraction model; and performing information extraction on the to-be-identified automobile instrument software design evaluation policy document by utilizing the trained information extraction model. According to the method, through a two-stage adaptive noise processing framework, high-confidence-coefficient cleaning samples are screened based on loss values, and then noise sample training is fused through a weighted weak supervision loss function. According to the method, the extraction precision in a noise environment is remarkably improved, the dependence on expert labeling is reduced, and efficient compliance development of automobile software is facilitated.

The invention provides an automobile software process auditing method and system. Relates to the technical field of vehicles, and the method comprises the steps: retrieving first multi-source data generated in each practice in a target process through a first large language model, analyzing a first evidence obtained through retrieval, and determining an achievement condition of an evaluation requirement corresponding to the practice reached by the first evidence; the target process is one of auditing standard setting processes; performing semantic association analysis on second multi-source data of the target process and the association process through a second large language model to generate association data between the two processes; the association process is a process associated with the target process indicated by the auditing standard; and generating an evaluation report of the target process based on the achievement condition of each practice included in the target process and the associated data of the target process and the associated process. Thus, through the two language models, deep semantic understanding and correlation analysis of automobile software process related data are achieved, and limitation of personal errors and configuration rules is effectively reduced.

The invention discloses a new energy automobile software efficient development method, which comprises the following steps that S1, cross-platform automobile type difference identification is carried out, the difference between at least two cross-platform extended-range automobile types is analyzed, and the difference comprises an IO control difference, a diagnosis control difference, a function control strategy difference and a message interaction difference; and S2, one-key switching calibration quantity design is carried out, a calibration quantity VCUswREVW2DiitoCal is created, the calibration quantity corresponds to different platform vehicle types through different calibration values, when the calibration value is 0, the calibration quantity is matched with the first extended range vehicle type, and when the calibration value is 1, the calibration quantity is matched with the second extended range vehicle type. According to the method, one set of software is universal for multiple vehicles, repeated software development, test and verification work for different vehicle types is avoided, and the development period is greatly shortened; due to the fact that the software versions are unified, only one time of function optimization and defect repair is needed, iteration of the software versions and accumulation of maturity are facilitated, and the reliability and robustness of the software are remarkably improved.

According to the configuration method and device based on the automobile software architecture, the computer equipment and the storage medium, the mapping object corresponding to each to-be-mapped element is determined by analyzing the connection relation between the configuration elements, and the execution sequence of the mapping operation is determined through the input and output dependency rule between the mapping objects; according to the method, the mapping operation without the dependency relationship is started and executed in parallel, and compared with full serial mapping, the time loss caused by waiting for completion of a single mapping operation is reduced, and the conversion efficiency of the configuration description file to the automobile software architecture is remarkably improved.

The invention discloses an automobile software remote upgrading method and system based on network security protection, and relates to the technical field of automobile electronic systems.The method comprises the steps that a public key in a digital certificate of an automobile and an SM4 symmetric algorithm are adopted to encrypt a signed upgrading package, and an encrypted upgrading package is obtained; verifying based on the digital certificate and the digital certificate chain, and after the verification is passed, establishing a communication channel between the automobile and the upgrade server based on a TLS communication protocol; carrying out decryption and abstract calculation on the encrypted upgrade package by adopting a private key in the digital certificate of the automobile, a public key in the digital certificate of the upgrade server and an SM3 hash algorithm to obtain a first abstract value, a second abstract value and a decrypted upgrade package; and when the first digest value is consistent with the second digest value, remotely upgrading the automobile software by adopting the decrypted upgrade package. According to the invention, the security of remote upgrading of the automobile software can be improved.

The present invention belongs to the field of automotive software technology and specifically discloses a method and device for dynamically combining and transmitting multi-core data in a multi-core chip. The method comprises the following steps: receiving data from at least one process within a counting period and accumulating the number of received data groups; comparing the number of groups with a predefined first threshold; if the number of groups is greater than the first threshold, combining the multiple received data groups into an IPCF data sequence; and issuing an interrupt request to the multi-core chip to transmit the IPCF data sequence. The present invention has the advantage of improving CPU operating efficiency and the efficiency of cross-core data transmission.

In an aspect, systems and methods of connected nodes, including electronic control units (ECUs) in a vehicle, integrate remote direct memory access (RDMA) capabilities with time-sensitive networking (TSN) traffic shaper configurations in a manner that guarantees lossless, bounded-latency critical traffic (CT) streams, while also allowing for different classes of traffic to flow through the connected nodes. In another aspect, mechanisms are introduced to enable an automotive software framework (e.g., classic AUTOSAR) to support RDMA communications.

The invention discloses an automobile software test method, device and system, a medium and equipment, and the method comprises the steps: obtaining a test task of to-be-tested automobile software, obtaining a plurality of target test cases corresponding to the test task from a test case library, and storing the test cases corresponding to a plurality of automobile software in the test case library; target test racks are matched for target test cases from test racks to be selected in a rack resource library, rack resource information of multiple test racks is stored in the rack resource library, and the target test racks matched with at least two target test cases are different; the target test case is executed, so that in the execution process of the target test case, a target interface matched with the target test case is called from the interface database, and interaction with a corresponding target test rack is carried out through the target interface; and obtaining a target test result corresponding to each target test case. The feasibility of the automobile software can be verified in a real automobile environment, so that the applicability of a test result is improved.

The application discloses a kind of remote automobile software calibration systems based on wireless terminal, belong to vehicle engineering technical field, the system includes: vehicle remote calibration terminal, transfer medium and host computer;Wherein, the vehicle remote calibration terminal includes physical interface, CAN module, processor, memory and network module, for the collection and processing of vehicle data;The vehicle remote calibration terminal is also used to send the vehicle data after processing to the host computer and receive the calibration parameter data of the host computer, and the calibration parameter data of the host computer is input vehicle calibration controller;The transfer medium includes base station and server, to transmit the vehicle data after processing of the vehicle remote calibration terminal and transmit the calibration parameter data of the host computer;The host computer is used to receive the vehicle data after processing of the vehicle remote calibration terminal and send calibration parameter data to the vehicle remote calibration terminal.The application has the effect of improving vehicle calibration efficiency.

The application discloses a kind of based on SBOM's automobile software supply chain security and open source governance system and method, by identifying the bill of materials SBOM of automobile software provided by supplier, obtain the basic information of software containing multiple components, software extension information;Software basic information in SBOM is matched with trusted vulnerability library, obtain all known vulnerabilities of SBOM;According to the dependency in SBOM, the influence range of each vulnerability is analyzed, and the affected software product and vehicle model are determined;According to the software product, vehicle model, vulnerability hazard affected, determine vulnerability level;Known vulnerabilities of component and vulnerability level are bound with component in SBOM, form SBOM risk view, determine repair scheme based on risk view;From SBOM identification, vulnerability matching, risk assessment, repair scheme determination to SBOM update, cover the whole process of supply chain security management, form the closed-loop management from vulnerability discovery to repair, ensure that the problem is solved.

The invention discloses an information security processing method and device for automobile software and electronic equipment, and the method comprises the steps: responding to the received target demand information, and determining a target file package corresponding to the target demand information; the target demand information comprises an upgrading software package and a corresponding upgrading execution script; performing first encryption processing and second encryption processing on the target file package to obtain a target encrypted package; the target encrypted packet comprises a storage record table, a software encrypted packet obtained by the first encryption and a digital signature obtained by the second encryption; combining the obtained unpacked file of the vehicle end with the target encrypted packet to obtain a packed file packet; and sending the packed file package to the vehicle end, so that the vehicle end performs software installation based on a target file package obtained by decryption of the packed file package. According to the method, the decompilation condition in the vehicle software upgrading process is reduced in combination with an encryption algorithm and shell adding and unpacking, and the information security of the vehicle end application software application package is guaranteed.

The embodiment of the invention provides a test method and device of an automobile software upgrade package, electronic equipment and a computer readable storage medium, and relates to the technical field of software. The method comprises the following steps: displaying a test interface; in response to an input operation for the tampering position input box, displaying a corresponding tampering position; in response to a trigger operation for the upgrade package uploading control, obtaining a to-be-tested original upgrade package from the first storage path, and displaying upload success prompt information; and in response to a trigger operation for the generation control, tampering the original upgrade package based on the tampering position, displaying tampering data, and displaying a second storage path corresponding to the generated tampering upgrade package, so as to perform software testing based on the tampering upgrade package. According to the embodiment of the invention, automatic tampering of the original upgrade package is realized, and the test efficiency can be effectively improved.

The invention relates to the technical field of automobile software testing, in particular to a fixing device for preventing HIL test wire harness terminals from being short-circuited. The fixing device comprises a fixing unit; the fixing unit comprises a fixing part, a retreating structure and a base; one end of the fixing part and the withdrawing structure are arranged in the base; a through hole is formed in the fixing part, and a first retaining structure matched with the wire harness terminal is arranged on the inner wall of the through hole, so that the wire harness terminal can be prevented from being separated from the fixing part; and one end of the withdrawing structure is arranged in the through hole, so that the wire harness terminal inserted into the withdrawing structure can be separated from the fixed part. According to the invention, the unused wire harness terminals are inserted into the fixing part, so that different wire harness terminals are isolated, and short circuit caused by mutual connection of the wire harness terminals is avoided; when the wire harness terminal needs to be used, the wire harness terminal is separated from the fixed part through the press-in and exit structure and can exit from the fixed part, so that the wire harness terminal can be normally used.

This invention discloses a method and system for making OTA (Over-The-Air) upgrade strategy decisions for vehicles, relating to the field of automotive software upgrade technology. The method includes: acquiring a historical upgrade record set of the target vehicle; acquiring an upgrade task and identifying the upgrade target; based on the upgrade target, determining multiple evaluation dimensions for assessing the upgrade strategy, and configuring weight coefficients for each evaluation dimension to form a multi-dimensional evaluation model; analyzing the historical upgrade record set using the multi-dimensional evaluation model to calculate a comprehensive evaluation score; and selecting a recommended upgrade strategy for the current upgrade task of the target vehicle based on the comprehensive evaluation score. This invention overcomes the shortcomings of existing technologies with their single strategy by introducing upgrade target identification and performing multi-dimensional evaluation based on target and vehicle historical data. It can generate personalized optimal strategies for each upgrade task, effectively improving the upgrade success rate and efficiency while reducing resource consumption.

The application discloses a kind of structured knowledge extraction method, system, equipment and storage medium of automobile software design document, the method includes: to automobile software design document is carried out format conversion and area division, obtains structured data block set;Through sequence mark model, named entity recognition and type mark are carried out to text type data block, and obtain entity type label list;According to preset automobile software relationship rule, generate multiple groups of entity candidate relationship pairs according to entity type label list;According to text type data block, relationship extraction is carried out to each group of entity candidate relationship pairs by graph neural network, to generate relationship triple set;Entity type label list, relationship triple set, the structured information in text type data block is stored.The present application is sequentially linked by the steps of file analysis, entity recognition, relationship extraction and data storage, effectively solves the problem of intelligent extraction structured knowledge from automobile software multi-modal design document.

This application relates to the field of software development technology, specifically to a method, apparatus, device, and medium for generating an automotive service-oriented model framework. The method includes: acquiring automotive domain controller configuration information and automotive software system functional scenario requirements information; dividing automotive functions into multiple services based on the automotive domain controller configuration information and automotive software system functional scenario requirements information, and calling the service interface configuration information corresponding to multiple services; constructing multiple initial model frameworks corresponding to the multiple services based on the service interface configuration information and pre-configured scripts, and adding initialization modules, main function modules, service call interfaces, and notification interfaces to the multiple initial model frameworks to generate multiple complete automotive service-oriented model frameworks. In this invention, repetitive and routine tasks in the service-oriented model framework development process can be automatically completed in the model building environment through pre-configured scripts, improving the development efficiency of service-oriented models and reducing low-level software defects.

The invention relates to the technical field of information, in particular to a software project configuration method and device, a server and a storage medium, and the method comprises the steps: obtaining work items of each stage of a software project; creating a set corresponding to the work items of each stage, configuring the work items, and establishing a traceability relationship and a hierarchical relationship between the work items according to the configured work items; and according to the set corresponding to the work items of each stage and the traceability relationship and hierarchical relationship between the work items, constraining the software project, so that the software project conforms to a standardized management specification. Therefore, the problems of how to optimize and standardize the research and development process of the automobile software and how to ensure the efficient delivery of the software project are solved.