115 results about "AUTOSAR" patented technology

According to the invention, a motor vehicle control device is provided, comprising: a microkernel; several entities; and a software bus, via which the entities can communicate with each other and with the kernel, wherein one or more of the entities represent respectively one or more modules of the AUTOSAR base software. The present invention is based inter alia on the idea of representing the AUTOSAR architecture on a microkernel-based architecture. Thereby, the motor vehicle control device according to the invention makes it possible for example to link infotainment applications with AUTOSAR-based applications.

Disclosed are an ECU update method and apparatus of an AUTOSAR-based system. In the ECU update method, an MCAL driver layer receives ECU update data, and an ECAL driver layer receives the ECU update data from the MCAL driver layer and directly transfers the ECU update data to ECU update software. Therefore, the ECU update method minimizes unnecessary operations in updating an ECU while performing an operation conforming to the AUTOSAR standard, thus quickly updating the ECU.

The invention relates to a general car code conversion method. Based on a general simulation and code generation tool, MATLAB (matrix laboratory), a vehicular operating system model base meeting specifications of OSEK/VDX OS (open systems and their interfaces for the electronics in motor vehicles/vehicle distributed eXecutive operating system) and an underlying drive interface model base meeting standards of AutoSAR (AUTomotive Open System ARchitecture) are designed, and a vehicular electronic control unit control model is graphically established. According to a designed code generation template, an available control/simulation code framework is generated using RTW (real time workshop), a code generation mechanism, the operating system and underlying drive are added into a compiler to implement a function library or source code, and conversion of different ECU (electronic control unit) executable codes meeting the specifications above is compete. The trouble of manually compiling the codes is avoided, fast generation of the codes is realized, development cycle is accelerated, expertise requirements on developers are lowered, and code reliability is improved.

The invention provides a sleep and wake-up method for an in-vehicle hybrid network including the vehicle-mounted Ethernet. The method is characterized by comprising the following steps that S1, an in-vehicle controller is connected into the network through buses connected with the in-vehicle controller and managed by a network manager; and S2, when a sleep trigger condition exists in the network,a network coordinator judges whether the buses in the network are in the hibernation state or not, if any one of the buses is not in the hibernation state, the current network maintains a network mode, and if all the buses are in the hibernation state, the network coordinator releases the network and enters the total sleep mode after the preset waiting time. According to the technical scheme, thesleep and wake-up states of the in-vehicle hybrid network including the vehicle-mounted Ethernet can be managed, coordinated management comprises the management of the sleep and wake-up states of theAutosar Ethernet network, the Autosar CAN network and the OSEK CAN network, the network resources in a vehicle are saved, the energy is saved, and the efficiency is improved.

The invention discloses a configurable method for a diagnostic protocol stack based on a CAN (controller area network) bus. The diagnostic protocol stack is realized according to international diagnostic standards ISO (international standardization organization) 15765 and AUTOSAR (automotive open system architecture) standards, and comprises an encapsulated network layer, an application layer module, an application layer standard interface, an ECU (electronic control unit) abstraction layer standard interface and a configurable file. When users carry out diagnostic requirement development, the existing module is applied for setting the configurable parameters through the configurable file, and only the concentration on the realization of application layer and bottom layer driving according to the standard interface is needed. The configurable method has the advantages that the universality, the reliability and the portability of diagnostic software are enhanced, the transplantation on different hardware platforms is convenient, the repeated development of the protocol stack of the network layer and an application layer is avoided, the development time is greatly shortened, the development cost is reduced, and the development and the expansion are convenient.

An Automotive Open System Architecture (AUTOSAR)-based communication method and communication apparatus. According to an exemplary embodiment, the AUTOSAR-based communication method may filter input data, using a data range filter, a first valid data filter, or a second valid data filter, in order to decrease the length of an interrupt operation, and improve processing speed of an overall application system.

The invention discloses a method for synchronizing an AUTOSAR (automotive open system architecture) model to a Simulink model. The method includes: using an ARXML (AUTOSAR extensible markup language) source file to generate the AUTOSAR model, analyzing AUTOSAR object elements to obtain elements of the model, mapping the obtained elements of the AUTOSAR software module into the Simulink model to obtain a corresponding model port label set, and loading by means of HashMap; accessing to a generated folder of the Simulink model to search a journal file generated last time, and analyzing the journal file to obtain a corresponding Simulink model port label set of an MATLAB (matrix laboratory)/ Simulink model; and comparing the obtained NEW label set with an OLD label set to obtain a result pool, and realizing model synchronization by means of Matlab orders. The method for synchronizing the AUTOSAR model to the Simulink model has the advantages of simplicity and convenience in conversion, low time consumption and low development cost.

The present invention relates to an apparatus and method for verifying interoperability between application software and AUTOSAR services. The apparatus includes an AUTOSAR interoperability configuration unit configured to configure an interoperability relationship between AUTOSAR service components defined to provide the AUTOSAR services and the components of the application software for an Electronic Control Unit (ECU) performing functions requested by the application software and a simulation unit configured to perform simulations in order to verify whether the interoperated AUTOSAR service components and the components of the application software are normally driven or not based on scheduled task timing.

The invention discloses a directed-graph-structure-based system information extraction method for a single electronic control unit (ECU). The method comprises the following steps of: 1) converting an information extraction process into a graph traversing process in a directed-graph-structure-based automotive open system architecture (AUTOSAR) modeling way; 2) supporting the stipulation of extraction rules into the three conditions of inclusion, citation and relation based on the data structure, and performing classification and definition by using declarative key-value pairs; and 3) traversing the directed graph structure of the whole system, and serializing labeled objects into extensible markup language (XML) files as final ECU extraction results. The method has the advantages that: a high-efficiency model structure is disclosed, the problems of a great number of complex system information extraction rules in an AUTOSAR standard and low efficiency of the conventional method can be effectively solved, and the extraction process can be rapidly and accurately finished; and improvement on the performance of a tool and great reduction in development difficulty are realized by the stipulation of the system information extraction rules, and the structure of the object can be integrally preserved, so that iterative development can be effectively supported.

The invention relates to a basic software parameter definition extension method applied to AUTOSAR ECU configuration. The steps of the method are: adding an MSRSDG format label in the parameter definition file to provide an entry point for parameter definition extension; using a property file to provide actual parameters Defined extended information; In the basic software parameter definition file defined by the AUTOSAR specification Schema, add several tags in MSRSDG format to match the parser of the parameter extended information, and the parameter extended definition parser reads the current target hardware platform corresponding properties file, extended parameter definition information can be obtained through calculation, interpretation or query. Beneficial effects of the present invention: 1. Expansion of parameter definition content, on the basis of the original parameter model, SDG labels for interface style effects and module initialization can be established, and interface effects and functions can be enhanced. 2. Extended parameter definition format; 3. Support multiple hardware platform parameters; 4. Support dynamic calculation of parameter range and validity.

A development device and a method for creating and testing a control unit program, whereby the preparation of an intervention point for manipulating a quantity of a runtime environment for testing a control unit program component in a test environment having a test scenario program component and an observation device for receiving output values and indicating the test result. An executable program containing all program components is created from one or more program components, including a control unit program component that is to be tested and a test scenario program component. The creation includes generation of a runtime environment, wherein the runtime environment provides a communication channel for transmitting input and output values between the program components, and wherein a component test service is provided that offers an interface to the runtime environment pursuant to the AUTOSAR standard as an intervention point for manipulating a quantity of the runtime environment.

An Automobile Open System Architecture (AUTOSAR)-based Electronic Control Unit (ECU) and a method for updating the ECU are provided. The ECU includes a communication driver; a communication hardware abstraction unit configured to receive data to be updated from a communication driver; and an ECU update unit configured to update an ECU using the received data.

The invention provides an AUTOSAR-based network management automation test system and test method. The system comprises a PC host, an oscilloscope, a program-controlled voltage-stabilized power supply, a bus simulation acquisition tool VN1640A, a relay board card and a voltage-stabilized power supply. KL31, KL30 and KL15 of the tested ECU are respectively connected with a relay board card, and CANH and CANL of the tested ECU are respectively connected with an oscilloscope and a DB9 of a CAN channel of a bus simulation acquisition tool VN1640A; The DB9 of the other CAN channel of the bus simulation acquisition tool VN1640A is connected to the relay board card; A positive wire harness and a negative wire harness of the program-controlled voltage-stabilized power supply are connected to the relay board card; Positive and negative wiring harnesses of the voltage-stabilized power supply are connected to the relay board card; The bus acquisition simulation tool VN1640A, the program-controlled stabilized power supply and the oscilloscope are respectively connected to the PC; Wherein upper software and lower software run in the PC, and the upper software is an automatic test operation system and is used for managing a test process; And the lower software comprises a test sequence project and an equipment program control driving instruction library. According to the invention, efficienttesting with high real-time performance and rapid execution can be realized.

A method of bypassing an AUTOSAR software component of an AUTOSAR software system including two or more AUTOSAR software components connected via a runtime environment (RTE). To get a high flexibility and a close relationship to the AUTOSAR model of development an custom AUTOSAR software component is used to bypass all or part of the functionality of a selected AUTOSAR software component and provide that functionality to another AUTOSAR software component candidate or on some external system.

The invention discloses an automatic run-time environment (RTE) code generating method for automobile system architecture (AUTOSAR). The method comprises the following steps of: 1) sequentially analyzing component instances in the AUTOSAR, creating data element instances or operating instances, storing port information and element communication attributes, analyzing internal behaviors of atomic components in the component instances, and recording corresponding communication modes in the data element instances or the operating instances; 2) sequentially analyzing component groups of the component instances with connecting relationship, and storing the operating instances or the data element instances in ports of opposite communication ends; and 3) acquiring cache resources required by the data element instances or the operating instances corresponding to the RTE, and correspondingly storing the acquired caches in the corresponding data element instances or the operating instances. The method has the advantages of strong logicality, good readability, simplicity and quickness in development and high development efficiency.

The invention relates to an inter-module real-time synchronization method based on an internal memory data framework, comprising the following steps of: reading a software assembly model in the AUTOSAR (Automotive Open System Architecture) standard to generate a directed acyclic graph; establishing a hash table; defining rules for modifying the assembly model, wherein the modification rule is unique for each modification type; and acquiring model modification information, storing the model modification information in an operation queue, identifying the modification types, and then corresponding the modification types to the modification rules to modify the directed acyclic graph and the hash table according to the modification rules. The invention can make an assembly design tool and a system configuration tool keep consistent and has the advantage of high development efficiency.

Disclosed herein is an apparatus for evaluating Automobile Open System Architecture (AUTOSAR) meta file-based basic software properties. The apparatus includes a meta file generation unit, a basic software configuration unit, and a basic software property evaluation unit. The meta file generation unit generates the meta file properties of an AUTOSAR meta file. The basic software configuration unit sets the basic software properties of a basic software configuration file. The basic software property evaluation unit evaluates basic software properties using the meta file properties in order to determine whether the basic software properties were set in conformity with an AUTOSAR standard.

The invention discloses a method for extracting communication matrixes from AUTOSAR (Automotive Open System Architecture) system allocation models. The method comprises the steps of: analyzing and obtaining communication matrix information of a communication cluster from an AUTOSAR system; confirming the communication cluster to be analyzed and obtaining a physical channel included in the communication cluster; obtaining all electronic control units in a connection relationship with the communication cluster in the system and establishing a hash table that an electronic control unit communication interface included in the electronic control units reaches a physical channel linked list; obtaining a frame trigger connected with each physical channel so as to obtain a data link layer frame corresponding to the frame trigger, and establishing a hash table that the physical channel reaches a data link layer frame linked list; calculating system signals included in each data link layer frame and establishing a hash table that the system signals reach the data link layer frame linked list; and establishing a communication matrix digraph, so that the hidden danger that errors may happen in network signal allocation by a multi-layer AUTOSAR system is brought forward to a system allocation stage, and the development efficiency is improved.

The invention discloses an automotive electronics oriented virtual functional bus designer. A construction member, a construction member set, a port, an interface, a connection and a data type contained in an application are generated into description information in a graph designing module and an attribute editing module, and the description information is stored into a library file by virtue of a part library management module. During the virtual functional bus design, the description information is read out and then is displayed and edited to obtain the description information and relations of the construction member, the construction member set, the port, the interface, the connection and the data type contained by the current application, and the obtained description information and the relations are stored into a project file or form a description file according with the AUTOSAR (automotive open system architecture) standard by import of the description information and export of an export module. A user can voluntarily design the construction member, the construction member set, the port, the interface, the connection and the data type contained by the application, and the application is stored in the project file, thus the automotive electronics oriented virtual functional bus designer can be applicable to various construction members, construction member sets, ports, interfaces, connections and data types and has good generality and reusability.

The invention relates to an automotive open system architecture (AUTOSAR)-compatible K line diagnostic method and an AUTOSA-compatible K line diagnostic system. The method comprises the following steps: adding a K line driving module at a communication driving layer of the AUTOSAR; adding a K line interface module at a communication hardware abstract layer of the AUTOSAR; and adding an international standardization organization (ISO) 14230 standard diagnostic service of a key word protocol (KWP) 2000 diagnostic protocol in a data control memory (DCM) module of the AUTOSAR communication service layer. By adopting the invention, AUTOSAR basic software can be enriched, so that the AUTOSAR can support the K line communication and ISO 14230 diagnostic protocol stack, therefore a solution of the perfect and integrated communication diagnostic software is provided for customers.

The invention discloses an air conditioner control box, which includes a power supply module, an MCU micro control unit, a signal access module, a communication module and a drive module, the power supply module provides power management for the MCU micro control unit, and the signal access module and The input end of the MCU micro-control unit is connected, the drive module is connected with the output end of the MCU micro-control unit, the communication module is connected with the communication end of the MCU micro-control unit, and the software operation of the MCU micro-control unit passes the state machine, and adopts the AUTOSAR architecture, the AUTOSAR architecture includes a basic software layer, an environment variable transmission layer and an application layer, and the application layer is set by the user. The invention separates the control part of the air conditioning control system from the operation panel, can adapt to various types of panels with communication functions or multimedia touch screens, can fully meet the needs of consumers, and can be used across platforms and models to form scale effects and reduce costs .

The invention discloses a file analyzing method, and belongs to the technical field of automobile control. The file analyzing method comprises that a data management file associated with a vehicular communication network is employed to describe CAN bus communication among different nodes in the vehicular communication network. The file analyzing method also comprises that step S100, in dependence on the file structure of the data management file, a first data model associated with the data management file is established; step S200, an analyzing template is generated in dependence on the file structure of the data management file; step S300, the selected data management file is analyzed through the analyzing template, and management data obtained through the analyzing process is mapped to the first data model according to the file structure; and step S400, data in the first data model is mapped to a preset second data model associated with a data configuration file in the vehicular communication network. The file analyzing method is advantaged in that problems caused by that a DBC file and a communication stack configuration tool data file meeting the AUTOSAR standard are incompatible in format are solved, and the configuration time is shortened.

The invention relates to an operating system (OS) resource distribution conflict solution applied to run-time environment (RTE) code generation, which comprises the following steps: (a) extracting the element information of an automotive open system architecture (AUTOSAR) object, and unloading into a self-defined model of an RTE code automatic generation tool; (b) extracting a communication requirement and OS module information configured by a user, calculating a new OS object which needs to be required by RTE for realizing a communication application program interface (API), and applying theresources from the OS; and (c) converting a self-defined OS object model of the RTE code automatic generation tool into a standard AUTOSAR object model. The OS resource distribution conflict solutionhas the beneficial effect that the model is analyzed again every time when the method is invoked, and the user is permitted to repeatedly configure the OS during an electronic control unit (ECU) configuration stage without affecting the automatic generation of the RTE code. In addition, the RTE code automatic generation tool can convert the new requirement of the OS object into the requirement ofthe standard AUTOSAR object model, and the requirement of the standard AUTOSAR object model is transferred to the ECU configuration tool, which is convenient for the requirement to be represented to the user in the configuration interface of the OS module.

The present invention discloses a method and system for testing an AUTOSAR software component. The method comprises: creating an input and output analog module in test software; providing, by the input and output analog module, an input signal to the AUTOSAR software component to be tested in a real-time operation environment; receiving, by the input output analog module, a feedback signal generated by the AUTOSAR software component to be tested according to the input signal; and acquiring a test result of the AUTOSAR software component to be tested, by detecting whether the feedback signal meets a preset condition. The test method and the test system provided by the present invention solve the technical problem that in the prior art, inaccurate test results are caused because different test software needs to be set up in a testing scheme for the AUTOSAR software component in different test stages.

The invention relates to the technical field of automobile electronic software development, in particular to a communication method between ECUs (Electronic Control Units) based on message forwarding. The communication method comprises the following steps of: by analysis on system mapping information in an AUTOSAR (Automotive Open System and Architecture) system, extracting and establishing a static message routing table in the system, and providing a method for realizing message communication between the ECUs by software by utilizing the well-established static message routing table, i.e., the communication method between the ECUs based on message forwarding. On the basis of the message broadcast characteristic of an arbitration mechanism of a CAN (Control Area Network) bus, a software method is used for simulating the transceiving of the CAN bus for CAN frames so as to realize communication between the ECUs. The communication method has the advantages that the large cost caused by operation on real environments and hardware platforms of the ECUs after the development is finished to generate executable codes in the traditional technology is reduced, and the development speed of the AUTOSAR is increased.

The invention relates to a communication method between assemblies on the basis of resource sharing, comprising the following steps: realizing an overtime monitoring function for communication between AUTOSAR assemblies by maintaining a global Alarm and a shared resources stack of an OS (operating system) task and a communication OS event corresponding to the global Alarm; sharing the Alarm in different communication events; and meanwhile, mapping all communication completion events and overtime events trigged by communication activity in the same OS task to the same communication OS event tooptimize resource utilization.