116 results about "AUTOSAR" patented technology

The invention provides a power domain control software architecture and a controller thereof, the software architecture comprises an application layer developed based on an AUTOSAR standard, a runtime environment and a basic software layer, the application layer comprises a plurality of modularized software components, the software components package service logic functions of the controller to be integrated, the software components are provided with an AUTOSAR-based ARXML file definition interface, and the AUTOSAR-based ARXML file definition interface is used for defining the service logic functions of the controller to be integrated. According to the method, the interface compatibility can be improved, seamless integration of application layers across controllers can be realized, and the development parallelism is enhanced by kernel deployment of independently packaged software components according to the real-time performance of functions. The runtime environment generates an inter-core communication agent code, constructs a virtual bus and routes a service request of an application layer component to the basic software layer, and the basic software layer provides system-level service for the application layer through a virtual bus interface of the runtime environment, so that the application layer does not need to directly operate hardware, software and hardware decoupling is realized, and the service performance of the application layer is improved. And smooth realization of software fusion and integration is promoted.

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 relates to a priority dynamic scheduling and load self-adaption method for an unmanned aerial vehicle in a complex task scene based on an AUTOSAR real-time operating system. According to the method, the task priority is dynamically adjusted through a multi-dimensional dynamic priority scheduling algorithm, multi-core load balancing is achieved in combination with a prediction-based task migration strategy and a hybrid load balancing algorithm, resource allocation is optimized by adopting resource pooling dynamic allocation and PID feedback control, and the problem that when the AUTOSAR is applied to flight control of the unmanned aerial vehicle, the load balancing efficiency is high is solved. The problems that a static priority mechanism cannot respond to an emergency scene, the task load balancing control capability is lacked, task execution is easy to interfere and resource allocation is low in efficiency are solved, the real-time responsiveness, the task completion rate and the resource utilization rate of an unmanned aerial vehicle flight control system are effectively improved, and the flight safety and the operation reliability of the unmanned aerial vehicle in a complex scene are guaranteed.

The invention provides a domestic chip-oriented lightweight AUTOSAR architecture multi-core optimization method, belongs to the field of automobile electronic software architecture optimization, and is used for solving the problems of low computing power utilization rate, insufficient security isolation and long multi-vehicle-type adaptation period when an AUTOSAR architecture adapts to a domestic multi-core chip in related technologies. According to the method, core resource characteristics of the domestic multi-core chip are quantified, a three-dimensional binding partition deployment system is constructed, functional partitions are split, core resources are bound directionally, OS lightweight, security isolation, dynamic scheduling, self-adaptive learning and pruning feedback are combined, security task physical isolation is achieved, the hardware characteristics of the domestic chip are adapted, the efficiency of the multi-core resources is improved, and the cost is reduced. And the multi-vehicle-type adaptation period is shortened.

The invention discloses an AUTOSAR development configuration system and method based on a Docker container, and the system comprises an interaction layer container which is used for the interaction between the system and a user, and comprises a user interface, an authority management interface, a configuration management interface, a code generation interface and a test interface; the application layer container is used for configuring and testing key functions of the AUTOSAR and comprises an authority management module, a configuration management module, a code generation module and a test module; and the output layer container is used for outputting the code file and the configuration file and comprises a code file output module and a configuration file output module. According to the invention, the problems of strong environmental dependence, high resource occupation, complex version management, low deployment efficiency and the like of the existing AUTOSAR development configuration tool can be improved.

The invention relates to an LBMS underlying software architecture based on AUTOSAR, and belongs to the technical field of automobile controllers, and the software architecture comprises a management module which comprises a target Os, a target EcuM, a target CanTp, a target Com, a target CanNm, a target NvM, a target WdgM and a target E2e which are redesigned based on LBMS requirements; the target E2e is also used for realizing the verification function of the Crc. According to the software architecture provided by the invention, the standard AUTOSAR underlying software architecture is simplified, nine MCAL modules and three complex driving modules are inherited, Dcm and Dem are statically reserved and dynamically optimized, eight management modules are redesigned according to LBSM requirements, seven non-essential modules are directly deleted, and the modules are further subjected to function integration, so that the number of the modules is reduced; therefore, the FLASH memory occupation of the MCU is obviously reduced, and the system performance is optimized.

The invention discloses a multi-ECU (electronic control unit) node parallel flashing architecture and an AUTOSAR (advanced open time synthetic aperture radar)-based flashing architecture. The architecture comprises a flashing control module, a diagnosis module and a protocol data unit layer. And the flashing control module dynamically updates the flashing process function of each ECU node according to the polling result of the diagnosis module, generates protocol data in combination with the flashing context function, and sends the protocol data to the diagnosis module. And the diagnosis module encapsulates the protocol data into a plurality of interaction protocol data and sends the interaction protocol data to each ECU node in parallel. The diagnosis module comprises a parallel state machine bound with the ECU node state, a service packaging interface and a node diagnosis configuration list, and supports multi-protocol adaptation and heterogeneous ECU parallel flashing. By implementing the invention, the flashing efficiency and compatibility of the vehicle-mounted system can be improved.

The invention discloses a method and equipment for testing an AUTOSAR AP application program. According to the method, a calling instruction containing a module, an interface and a parameter data type is obtained by analyzing an ARXML file, a corresponding function template is matched according to the module and the interface in the instruction, the parameter data type is written into the template to generate adaptive stub functions, and finally unit testing of the application program is completed based on the stub functions. According to the method, automation of stub function generation is achieved, manual writing and adjustment are not needed, and the error rate and workload caused by manual operation are greatly reduced; through accurate matching of the parameter data type and the function template, the consistency of the stub function and the application program interface is ensured, and the accuracy of unit testing is improved; the whole process adapts to the standardization characteristic of the AUTOSAR AP, and the efficiency and reliability of application program unit testing are remarkably improved.

The invention belongs to the technical field of automotive electronics AUTOSAR, and discloses an AUTOSAR multi-task-oriented nested lock management and real-time priority scheduling control system, a detection and prevention module establishes a dynamic resource allocation diagram by taking tasks and locks as nodes, real-time traversal is performed in combination with a depth-first search algorithm, and a task-lock-task circulation path is accurately identified; when a potential deadlock is detected, preferentially releasing a low optimal lock occupied by a low-priority task through priority arbitration, and triggering an overtime release mechanism when the priorities are the same; a scene of accessing multiple layers of shared resources by multi-task nesting under an AutoSar framework is adapted, so that the system is ensured to stably run in a complex concurrent scene, and function failure caused by deadlock is avoided; the priority scheduling module establishes a scheduling rule in combination with dual priorities of tasks and locks, optimizes a nested priority inheritance mechanism, temporarily improves the priority when a low-optimal task occupies a lock required by a high-optimal task, and configures a preemption right for the high-optimal lock.

The invention discloses a vehicle body domain controller hardware-in-the-loop simulation method under an AUTOSAR architecture, and the main conception of the method is that based on the standardized interface definition of an AUTOSAR basic software layer, an HIL cabinet hardware channel standardized mapping relation library is established, and thus a hardware corresponding relation configuration file template is constructed; establishing a subsystem simulation model for each functional module and constructing a three-layer decoupling architecture in combination with different functional specifications to realize dynamic binding of test software and a hardware channel; then, based on an actual hardware interface and software function definition, a simulation test bench is built, and verification is completed; and finally, generating an automatic test case based on the function specification, and carrying out the function test of each subsystem of the vehicle body domain controller in the current test environment. According to the invention, the rack development period is obviously shortened, the flexibility and expandability of the test environment are improved, and the full-life-cycle test verification capability optimization is realized.

The invention discloses a vehicle-mounted intelligent cabin log system and a vehicle-mounted intelligent cabin log management method, and relates to the field of vehicle machine logs, and the vehicle-mounted cabin system comprises an MCU and an SOC; the MCU runs an AutoSAR real-time operating system and is responsible for CAN signal receiving and transmitting, communication diagnosis, sleep awakening and power management of the whole vehicle; the SOC runs dual systems through a Hypervisor virtual machine monitoring program, and the dual systems comprise an instrument system and a central control system; wherein the instrument system end runs a QNX / Linux system to realize quick response, and the central control system end runs an Android system to process intelligent interaction and cockpit entertainment functions; wherein the cabin log system is established based on the vehicle-mounted cabin system of the vehicle infotainment device 1 and the vehicle-mounted cabin system of the vehicle infotainment device 2; the cabin log system is used for log generation and storage of the vehicle-mounted cabin system of the vehicle infotainment device 1 and the vehicle-mounted cabin system of the vehicle infotainment device 2.

The invention discloses a Tp information forwarding processing method based on AutoSAR architecture design, the method is realized by a PFR module deployed in a basic software layer, the PFR module is pre-configured with a static task pool, a routing information table and a service protocol parameter information table, and the method comprises the following steps: receiving Tp information, associating the Tp information with a corresponding routing information group in a routing information table and a service protocol parameter information group in a service protocol parameter information table; obtaining task attributes based on the service protocol parameter information group associated with the Tp information, and locating idle task nodes through bitmap query in a static task pool based on the task attributes to create an associated new task; and tracking the execution condition of the task associated with the Tp information, and executing the operation defined by the state according to the state defined by the task state machine corresponding to the task attribute. The method has the beneficial effects of efficient task management, flexible configuration, complete task planning and the like.

The invention relates to a method for preventing CAN (controller area network) wake-up false identification after vehicle repair and part replacement of a vehicle-mounted controller, the vehicle-mounted controller uses a TJA1043 chip and is connected to a CAN bus, and the method comprises the following steps: after the vehicle-mounted controller is powered on and started, false triggering wake-up judgment is executed; if the judgment result is effective awakening, controlling the vehicle-mounted controller to enter a normal working mode; and if the judgment result is false triggering awakening, the vehicle-mounted controller enters the dormancy or shutdown state again. By adopting the method, the system, the device, the processor and the storage medium for preventing CAN wake-up error identification after vehicle repair and part replacement of the vehicle-mounted controller, under the condition that a TJA103 chip is not changed, the CAN wake-up error identification can be prevented for all controllers managed by an Autosar network and an instrument controller which is defined as OSEC network management and is provided with a perpetual calendar; a scheme for solving INH output false triggering of a cold start TJA1043 chip is provided, contradictions caused by cost are solved, and software misjudgment when a storage battery on a controller is normally powered is solved by using a system method.

The application relates to the technical field of state machine fault detection, and discloses a state machine fault detection method based on an AUTOSAR architecture, which utilizes an NvM module of a basic software layer of the AUTOSAR architecture to write network management messages of a state machine, and is used for identifying faults of the state machine in the basic software layer; a state machine fault code is established in a DTC, the state machine fault code comprises a plurality of fault bits and a plurality of fault flags corresponding to the plurality of fault bits one by one; a state machine ID is established in a communication matrix DBC, the state machine ID comprises a plurality of states corresponding to the state machine and the plurality of fault bits one by one; and a state machine fault detection result is obtained according to the corresponding fault bits of the state machine in different states. Through separate management of application layer and basic software layer instructions associated with the state machine, when a fault occurs in a controller, the fault of the state machine can be quickly and accurately known, fault positioning can be quickly and accurately performed, and the fault diagnosis efficiency is improved.

This application discloses a system architecture for implementing data distribution service (DDS) communication based on an automotive open system architecture (AUTOSAR), a communication method, and a device that may be applied to an intelligent agent (for example, an intelligent vehicle, an intelligent connected vehicle, or an autonomous vehicle) in intelligent driving.

The invention discloses an atomization interface design method of a vehicle adaptation layer, electronic equipment and a storage medium, and relates to the field of cabin development. The atomization interface design method comprises the steps that a one-to-one mapping relation between a globally unique service mark Key corresponding to a vehicle function attribute ID and a vehicle SOA signal or a CAN signal is established, and a HashMap global mapping table based on Key-Value key value pairs is formed; wherein the service mark Key corresponds to a unique atomization function unit and is used for representing a basic capability unit of the in-vehicle entertainment product; the HashMap global mapping table is maintained through a vehicle machine attribute ID manager CarPropertyIDManager, and the HashMap global mapping table is used for replacing a service module unit manager Manager and is used for unified management of atomization interfaces; the application layer directly indexes the service mark Key and the corresponding Value data parameters to a target atomization interface in a HashMap global mapping table by transmitting the service mark Key and the corresponding Value data parameters, and interface calling is completed; wherein the data conversion process is executed in the calling process, and the data conversion process comprises the following steps: converting standard protocol data transmitted by the APP into SOA or CAN signal data during downlink, and transmitting the SOA or CAN signal data into AutoSAR vehicle machine service.

The invention provides an FOTA implementation method and system based on an AUTOSAR architecture, equipment and a medium, and belongs to the technical field of automobile software remote updating. And when the diagnosis frame adopts a predefined extended frame format, performing diagnosis frame transmission of FOTA operation according to the predefined extended frame format. According to the method, the FOTA operation and the normal diagnosis operation are distinguished through the extension frame, the conflict between the FOTA operation and the normal diagnosis operation is avoided, and the stability of the FOTA process is ensured; through exclusive configuration of FOTA-related services and transmission parameters, the requirements of different platforms are met, and the expandability of the scheme is improved; through the adaptive configuration of the transmission parameters, the transmission efficiency of the FOTA data is optimized, and the occupation of system resources is reduced; through exclusive diagnosis session switching and arbitration logic, interference of normal diagnosis operation on FOTA operation is avoided, and the overall safety of the system is improved.

The present application relates to the field of vehicles. Provided are a development method and apparatus based on an AUTOSAR, and a storage medium. The method comprises: in response to a first operation, obtaining a secondary baseline configuration, wherein the first operation is used for importing a primary baseline configuration into a user configuration project, the primary baseline configuration comprises a primary Bsw configuration and a primary AppL configuration, and the secondary baseline configuration comprises a secondary Bsw configuration and a secondary AppL configuration; and in response to a second operation, obtaining a secondary customized configuration, wherein the second operation is used for newly adding a Bsw configuration and / or an AppL configuration on the basis of the secondary baseline configuration, the secondary customized configuration comprises a secondary Bsw customized configuration and / or a secondary AppL customized configuration, the primary baseline configuration and the secondary baseline configuration are public configurations, and the secondary customized configuration is a user configuration. By means of hierarchical development, the workload of iterative development can be reduced, thereby improving the development efficiency.

This invention relates to the field of vehicle communication technology, providing a method and system for converting Excel to ARXML format. The method pre-defines an Excel conversion template, specifying that different worksheets correspond to different top-level containers in the ARXML document, and pre-defined mapping rules between Excel column names and ARXML element attributes or child nodes. Based on these mapping rules, the method automatically converts data rows in the Excel worksheet into corresponding ARXML element nodes, and performs reference relationship parsing on the generated nodes, replacing reference path placeholders with reference nodes conforming to the AUTOSAR standard. Finally, it integrates all ARXML element nodes that have undergone reference parsing and updates, generating a compliant ARXML file that can be directly used in the AUTOSAR toolchain. This invention transforms complex manual coding into parameterized table configuration, effectively improving the efficiency, consistency, and compliance of vehicle communication configuration file creation through end-to-end rule mapping and automated processing.

The invention relates to a communication stack for energy storage communication and a data communication method of an energy storage system, and a layered software architecture comprises a plurality of function levels divided based on a microcontroller abstraction layer, an electronic control unit abstraction layer and a service layer in Autosar. The data communication module is used for adapting to the data communication requirement of an energy storage battery management system and opposite-end equipment for performing a target interconnection communication protocol; the standardized interface module is provided with a standardized interface framework for interaction among functional levels in the layered software architecture and interaction between the energy storage battery management system and opposite-end equipment, and supports setting of interface parameters based on data communication requirements so as to realize data interaction among the functional levels through the standardized interface framework and the set interface parameters. According to the embodiment of the invention, the design target of each function level is consistent with the positioning of the corresponding level of Autosar, so that the architecture logic of the communication stack is uniformly constrained, the software reuse rate and maintenance efficiency are improved, and the coupling degree of a bottom software module is reduced.

The invention discloses a diesel engine fault code filtering and storing method based on an AUTOSAR architecture, relates to the technical field of automobile electronic control, and solves the technical problem that a mechanism for effectively screening and filtering fault codes according to the internal severity levels of the fault codes before the fault codes are stored and reported does not exist in the prior art. The method comprises the following steps: in an AUTOSAR project configuration stage, allocating a severity level priority value for each diagnosis fault code in an AUTOSAR project; after the ECU is powered on, hardware, basic software and an application layer are initialized; all the diagnosis fault codes are filtered according to the severity level priority values, and target diagnosis fault codes are obtained; screening state information corresponding to the target diagnosis fault code and obtaining target state information; and reading the stored target state information and reporting the information to a diagnostic apparatus. The invention further discloses a diesel engine fault code filtering and storing system based on the AUTOSAR architecture. The diagnosis efficiency and the response efficiency are improved, and the storage space is saved.

The invention relates to a diagnostic communication method based on an AUTOSAR architecture and an electronic control unit, and belongs to the field of diagnostic communication. In the method, two isolated diagnosis processing paths are configured for diagnosis request messages of a CAN type and a CAN FD type, when the diagnosis request messages are received, diagnosis response messages belonging to the same message type as the diagnosis request messages are generated through the diagnosis processing paths corresponding to the message types of the diagnosis request messages, and the diagnosis response messages are sent to the diagnosis request messages. And sending the diagnosis response message through a reverse path of the diagnosis processing path corresponding to the message type. Since different types of messages are processed through different paths, the same type of diagnosis response message is replied according to the received type of diagnosis request message, so that the electronic control unit can flexibly adapt to different types of diagnosis request messages sent by the external equipment, and is adaptively compatible with different types of diagnosis request messages, thereby improving the diagnosis accuracy of the electronic control unit. And the flexibility and expansibility of diagnosis communication of the automobile electronic system are improved.

The present invention relates to a method for updating target files in an open automotive system architecture, the method comprising the following steps: retrieving an extensible markup language (XML) file generated according to the changes to the target variable of the post-code generation attribute type, as well as the corresponding first target file to be updated; retrieving the address data of the target variable in the first target file based on the extensible markup language file; updating the values ​​of the target variable in the first target file based on the retrieved address data to generate an updated second target file. The present invention further relates to an apparatus for updating target files in an open automotive system architecture, a computing device, a computer-readable storage medium, and a computer program product.

A parameter configuration method includes that a service layer of an embedded device that can be applied to a vehicle such as an intelligent vehicle, a connected vehicle, or a new energy vehicle directly obtains a hardware resource parameter of a hardware layer, and sends the hardware resource parameter to an AUTomotive Open System ARchitecture (AUTOSAR) development tool such that the AUTOSAR development tool generates a configuration file and an executable file.

The invention discloses an integrated fault injection automatic configuration system and method for automatic driving, and belongs to the technical field of automatic driving function safety testing. The system comprises a graphical user interface module for receiving multi-dimensional fault parameters and supporting AUTOSAR signal tree navigation; the template generation module is used for generating a structured template file embedded with safe upper and lower text fields according to the fault parameters; the XML analysis module is used for performing grammar and semantic double-layer analysis, calling a whole vehicle communication matrix to identify a signal dependency relationship, and generating a fault propagation path diagram and an injection matrix data structure; the multi-platform adaptation engine module is used for automatically outputting scripts of platforms such as ETAS INCA, dSPACE Control Desk, Vector CANoe, NI VeriStand and the like; and the script previewing and debugging module renders and executes grammar check in real time, and dynamically adjusts the fault weight and the sorting priority through online learning. According to the system, automatic configuration and multi-platform adaptation of the fault injection test are realized, and the efficiency and accuracy of the safety test of the automatic driving function are remarkably improved.

This invention relates to the field of automotive communication technology, providing a method and system for converting and managing automotive communication database formats. It aims to solve the problems of low efficiency, error-proneness, and difficulty in collaboration associated with traditional manual processing of multi-source heterogeneous communication data. This method automatically parses source data in multiple formats such as DBC and Excel, converting them into a pre-defined intermediate data model. It then automatically generates ARXML files conforming to the AUTOSAR standard and finally uploads the files to a cloud database, associating them with project information to achieve centralized storage, version management, and collaborative work. Through collaboration between local and cloud platforms, multiple verifications and version management can also be achieved. This invention efficiently and accurately converts scattered and heterogeneous communication data into industry-standard files through an automated process, and leverages the cloud to achieve centralized file management and project-based collaboration, effectively improving the efficiency, consistency, and traceability of in-vehicle communication data processing.

This invention relates to the field of software operation forensics and fault diagnosis technology, specifically to a method for recording a minimum sufficient evidence package for an airbag control unit and an automotive airbag control unit. The method is executed in a Classic AUTOSAR environment and includes: determining whether both anomaly symptom conditions and operational state time gating conditions are simultaneously met; if so, determining that the trigger condition is established; recording the trigger time; and freezing event information, path signatures, and key variable snapshots at the end of a predetermined window after triggering. Combined with the invariant assertion bitmap at the time of triggering, a minimum sufficient evidence package is generated. Compared with existing technologies, this invention can record a minimum sufficient evidence package with predictable and extremely low operational overhead, and has advantages such as not changing the airbag control logic path, not entering the ignition ISR critical segment, and retaining evidence even in power-down scenarios.

The invention discloses a DoIP gateway architecture under an AUTOSAR CP architecture, a communication method of the DoIP gateway architecture and a vehicle. The DoIP gateway is connected between the Tester end and the DoIP node, the DoIP gateway comprises an Ethernet protocol stack, a DoIP-Server module, a DoIP-Client module and a PDuR module, the Tester end is connected to the DoIP-Server module through the Ethernet protocol stack, the DoIP-Server module is connected to the DoIP-Client module through the PDuR module, and the DoIP-Client module is connected to the DoIP node through the Ethernet protocol stack. According to the invention, under the architecture of the AUTOSAR CP, the function of converting the UDSonDoIP into the UDSonDoIP and the function of converting the UDSonDoIP into the UDSonDoIP from the UDSonDoCAN are realized.

The invention discloses a diagnostic routing method suitable for an Autosar framework, electronic equipment and a medium. The method comprises the following steps: acquiring an initial routing message, and sending the initial routing message to a PDuR module; the routing message is transmitted to the TpR module from the PDuR module; the TpR module processes the routing message to obtain a diagnosis routing message; and transmitting the diagnosis routing message to the CAN module through the PDuR module. According to the invention, the TpR module is constructed based on the existing Autosar architecture, so that the diagnostic routing from one Diag CAN bus to other multiple CAN buses is completed, the diagnostic routing function from Eth to the CAN bus is also realized, and meanwhile, the requirement of UDS for time parameters can be met.