78 results about "Open systems architecture" patented technology

The present application discloses an open system architecture and software system for plug and play modular mission payloads in aerial vehicles. The improved software moves the control function of mission payloads away from the ground station and into the aerial vehicle. The plug & play web-based payload interface software resides in a payload interface controller in the vehicle, and this is networked via a uniform resource locator (URL) address to a ground control station. Consequently, when new payloads are added to the system, integration issues and costs are minimized.

The invention relates to a multi-screen interacting method and system based on cloud computing, belonging to the field of communication and relating to multi-screen displaying, multi-screen interacting and multi-terminal control technologies; the multi-screen interacting method is a multi-screen interacting implementation method based on a cloud service platform, belongs to the field of application of the triple play and the home multimedia technology and is widely applied to network operators. According to the multi-screen interacting method, an open system architecture and a standard and mature communication protocol are adopted based on a cable TV network operator cloud service platform and user terminal equipment, to effectively fuse and integrate multiple terminals including a set top box of the user terminal, a computer, a PAD terminal and an intelligent mobile telephone, so as to bring convenient terminal control, multi-screen playing, multi-screen switching and other experiences to users.

The invention discloses a two-level management method for a hybrid desktop cloud service platform. The two-level management method for the hybrid desktop cloud service platform comprises the following steps: building a hybrid desktop cloud data center; sending a login request to a central management node (Vmm-Server) by a server node; receiving and processing the login request of the server node by the central management node; uniformly receiving user requests by the central management node through a service interface layer; responding to the user requests by the central management mode according to a two-tier scheduling method; maintaining system load balance by the central management node according to the current system state and the running state of a virtual machine. According to the two-level management method disclosed by the invention is designed and realized upon the open system architecture of a hybrid desktop cloud server, and the scheduling and migration efficiency of the virtual machine can be improved.

Systems, methods and computer program products for collecting, storing, processing / analyzing, securely transmitting and presenting heterogeneous data within an open system architecture are disclosed. The collection of heterogeneous data from numerous remote collection points and aggregating the collected data for displaying in a user-friendly interface are provided. The systems, methods and computer program products disclosed herein, in varying aspects, readily lend themselves to incremental component and functionality modifications, which allow for increased data sources, accuracy, reliability and utility of the collected information, further solidifying the uniqueness and desirability of the systems, methods and computer program products.

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 an analysis method and equipment for a fault diagnosis communication protocol on the basis of automotive open system architecture (AUTOSAR). A protocol adapter is arranged between an automobile electric control unit (ECU) and a diagnosis instrument and is a double-port adapter capable of supporting the automatic conversion of different communication protocols, and the effective communication of data between the automobile ECU and the diagnosis instrument is ensured. The method is characterized in that data sent by the diagnosis instrument is capsulated into data frames conforming to the AUTOSAR communication protocol stack, in addition, the received data frames are analyzed, and diagnosis data in the data frames is extracted to be provided for the diagnosis instrument. The analysis method has the beneficial effects that the data communication between the ECU developed on the basis of the AUTOSAR standard and the diagnosis instrument supporting the on-board diagnostics (OBD) standard can be effectively realized, the problem of different data communication protocols between the ECU and the diagnosis instrument is solved, in addition, the receiving and the sending of each data packet can be packed or unpacked layer by layer according to the user configuration parameters, and the correctness and the stability of the data packet are ensured.

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 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.

A wafer testing real-time monitoring software system and its unique open software architecture which achieves real-time monitoring of wafer test results and on-line changing of externally hooked software to satisfy customer needs without changing its main program. The software structure receives and processes binary files from different probers and converts these into readable ASCII files. The system consists of four software programs that can operate independently. These programs are an automatic transfer program, a program which converts wafer test results from a binary file to an ASCII file, a program which receives the ASCII files and performs wafer map editing, and an auto-ftp program which automatically scans data and sends data to remote locations. Additionally, multiple workstations can process data from probers simultaneously. The on-line monitor on a production line can see production results from multiple major workstations through the network drive and drive mapping functions.

The invention relates to a distributed open system architecture numerical control system, which comprises a first industry PC computer, a second industry PC computer, and a multi-functional interface board. The first industry PC computer can be used in numerical control processing programs and used for inputting, editing, displaying and managing of a PLC program, and the first industry PC computer also can be used for editing the PLC program to generate and to send PLC ladder diagrams or C language programs. The second industry PC computer is connected with a supervisory computer by an Ethernet and can be used for processing the decoding, cutter compensation, speed processing, interpolation, and position control of the numerical processing program, and also used for receiving the PLC ladder diagrams or the C language programs. The multi-functional interface board is connected with a lower computer and can be used for running the PLC ladder diagrams or the C language programs, for inputting and outputting switch values, and for transmitting analog, pulse or numeral signals. The invention provides the distributed open system architecture numerical control system which ensures that the hardware assembly of the system is flexible and the allocation of the software functions is more reasonable, thereby more easily meeting the requirements of openness.

The invention discloses a vehicle-mounted information service system with open system architecture and communication protocol. The technical proposal in the invention comprises: the system is composed of a vehicle-mounted service terminal which is used for providing information service for end users; a service router which is connected with the vehicle-mounted service terminal via a first interface is used for querying service route data base, and routing the service request to a service integrator module and then routing the information from the service integrator module to the vehicle-mounted service terminal; a service route data base which is connected with the service router via a second interface is used for recording access method and path of information service; a service integrator module which is connected with the service router via a third interface is used for receiving and explaining service request, sending the service request to a service supplier module, and feedbacking the acquired information service to the vehicle-mounted service terminal; a service supplier module which is connected with the service integrator module via a fifth interface is used for receivingthe explained service request content and providing service.

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 invention discloses an air vehicle fly-by-wire flight control system testing device. The testing device is composed of a hardware system and a software system. The hardware system is composed of a lower computer and an upper computer; the lower computer comprises an excitation signal output hardware module, a control plane response signal acquisition hardware module, a sensor response signal acquisition hardware module, a data transmission bus, a lower computer controller and the like and mainly achieves functions such as digital excitation signal generation, response signal acquisition and signal analysis and calculation; the upper computer comprises a testing state communication hardware module and a human-computer interaction computer and achieves a human-computer interaction function. The software system is developed on the basis of a virtual instrument technique, fully inherits an open system architecture of a mature virtual instrument development system and is convenient to maintain and upgrade. The testing device has the advantages that the testing device and a flight control computer are directly connected through a multi-redundancy digital bus, the problems of signal amplitude attenuation, waveform distortion and the like are avoided, and the accuracy of a testing result is improved.

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 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 provides a channel-resource calling and algorithm in visual big data. The system comprises an open system architecture, data development IDE module, a data management system, an offlinescheduling system, a data integration system, an operation data visualization system and an ETL system effectively gather public information capable of providing services for the society and enterprises, realize resource sharing, provide effective enterprise management, achievement conversion and other information guidance for the enterprises and the society, improve the social and economic operation efficiency and improve the entrepreneurship innovation industrialization rate.

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 discloses a method for automatically generating a communication data format of an electric control unit based on an AUTOSAR (Automotive Open System Architecture), comprising the following steps of: (1) according to the system configuration of the AUTOSAR, analyzing and generating model objects of hardware topology and a software component; obtaining a mapping relationship from the software component to the electric control unit and communication interface information of the software component; (2) according to the mapping relationship from the software component to the electric control unit and the communication interface information of the software component, obtaining all data elements of each electric control unit for data communication; (3) according to data types and bit widths of the data elements, generating communication data formats corresponding to different communication protocol layers from the data elements; and (4) storing the mapping relationship between the data elements and the communication data formats of all the electric control units in the system mapping of the AUTOSAR. The method disclosed by the invention has the advantages of simple development process, low system design complexity, clear and compact communication data format structure, wide application range and high development efficiency.

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 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 invention discloses an electronic controller test system and method. The system comprises an upper computer and a to-be-tested electronic controller, wherein the upper computer is connected with the to-be-tested electronic controller through a controller area network CAN bus; the upper computer is used for sending CAN bus data to the to-be-tested electronic controller; the to-be-tested electronic controller is used for classifying and analyzing the CAN bus data to obtain CAN information, generating a driving signal based on a constructed automobile open system architecture according to theCAN information, and executing the driving signal at a set period to obtain corresponding waveform data; and the upper computer is also used for generating a test result according to the waveform data corresponding to the driving signal. According to the technical scheme, the drive control function of the electronic controller is developed based on an automobile open system architecture, the testprocess of the electronic controller is standardized, different types of CAN bus data are analyzed respectively, and the test efficiency is improved.

The invention discloses a software radar integration architecture and development environment, which comprises a comprehensive development management platform used for signal processing system open system architecture specifications and signal processing system part design specifications based on software and hardware decoupling. A software and hardware decoupling hierarchical open system architecture is utilized, According to new application requirements of a signal processing system, a basic signal processing module of the signal processing system newly sets a basic composition module of the signal processing system; and the basic composition module of the signal processing system is used for processing the radar signal based on a new application demand after being newly set by the comprehensive development management platform. According to the scheme, the problem that a radar signal processing system developed by adopting a customized special hardware and software development modeis large in application difficulty can be solved, and the effect of improving the application convenience of the radar signal processing system is achieved.

The invention discloses a data visualization system and method based on an adaptive platform automobile open system architecture, which belong to the field of automatic driving. The system comprises an external data acquisition module, an automatic driving domain controller connected with the external data acquisition module and an upper computer connected with the automatic driving domain controller, wherein the upper computer comprises a data visualization interface electrically connected with the automatic driving domain controller and a display unit electrically connected with the data visualization interface. External data acquired by the external data acquisition module and data of a vehicle are converted into visual data through the visual interfaces of the automatic driving domain controller and the upper computer, and the visual data are displayed to workers through the display unit. The problems that due to the fact that existing external data conversion equipment is different in specification, time consumption is long when the external data conversion equipment conducts complex data conversion, and system application research and development time is too long due to data loss are solved.

The invention discloses a method for managing read-write tasks of an AUTOSAR (automotive open system architecture) NvM [NVRAM (nonvolatile random access memory) manager] on the basis of a priority bitmap. The method includes constructing 256 groups of normal task queues, a group of immediate task queue, a queue mapping table and a priority bitmap ready list; and inserting read-write tasks into the task queues or fetching read-write tasks from the task queues according to the queue mapping table and the priority bitmap ready list. The method has the advantages that deviation relative to the ready list is carried out by a priority bitmap algorithm when the read-write tasks are fetched, a to-be-processed read-write task with the top priority is found out from a priority bitmap lookup table, a ready task with the currently top priority can be found according to time complexity of O(1) by the lookup table algorithm with fixed limited number of times, expenditure on the expanded 257 read-write request queues is low, and maintenance is easy.

The invention relates to the technical field of automotive electronic software development, in particular to a monitoring mechanism applied to an AUTOSARECU (automotive open system architecture electronic control unit) configuration interface. According to dependency of ECU configuration parameters, the monitoring mechanism for the parameters is built, and finally monitoring for the parameters is embodied by the effect of the ECU configuration interface. A monitoring method includes: dividing the configuration parameters into trigger parameters and dependency parameters; adding monitoring identifiers pointing to the trigger parameters into a wrapper class of the dependency parameters; and allowing the dependency parameters to change according to current values of the trigger parameters when the values of the trigger parameters are changed. The monitoring mechanism can be used for effectively implementing dependency of the ECU configuration parameters based on AUTOSAR standards, overcoming the shortcomings of cumbersomeness and time consumption of a monitoring mechanism in an EMF (eclipse modeling framework), optimizing the response time of the mutually dependent parameters in the same configuration interface, and improving the user experience of an ECU configuration tool.

The invention discloses a road state monitoring system based on multiple millimeter-wave radars, which comprises a detection layer, a centralized processing layer and a remote processing layer, and the detection layer is used for detecting vehicles on a road in real time through the multiple millimeter-wave radars and transmitting detection data back to the centralized processing layer; the centralized processing layer is used for receiving and processing vehicle detection data of a plurality of millimeter waves of the detection layer so as to obtain vehicle state information on the road, realize real-time detection of the road state and report the obtained detection information to the remote processing layer; and the remote processing layer is used for receiving and storing the detectioninformation uploaded by the centralized processing layer. The invention further discloses a working method of the road state monitoring system based on the millimeter wave radars. According to the road state monitoring system based on the multiple millimeter-wave radars and the working method of the road state monitoring system, a more reliable, efficient and open system architecture is provided on the basis of edge computing and software definition technologies, and the robustness and engineering application value of the system are improved.

The present invention relates to a method and apparatus for setting up a vehicle network based on AUTomotive Open System ARchitecture (AUTOSAR). The apparatus for setting up a vehicle network based on AUTOSAR includes a screen unit for externally receiving structure setup input values. A structure setup unit is configured such that when a user selects an Electronic Control Unit (ECU) and a communication cluster on the screen unit, the structure setup unit displays a communication channel between the ECU and the communication cluster, and sets up a network structure based on the communication channel. A data setup unit sets up data that is transmitted through the communication channel using a wizard which is software for executing software or hardware operations using an interrogatory method.