CN1734457A - Computer aided design method for vehicle-carrying distribution control system - Google Patents
Computer aided design method for vehicle-carrying distribution control system Download PDFInfo
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Abstract
The invention discloses an auxiliary computer exploitation method of vehicle-carrying distribution control system in the base of model activation architecture, which comprises the following steps: first, establishing abstract mathematics model of vehicle-carrying distribution control system the base of UML modeling language, which consists of static s structure and dynamic behavior description of distribution control system; second, establishing XML file of exchanging agreement datum in the base of UML model semantic gauge; finally, developing kinds of auxiliary computer analysis, design and detecting software and hardware appliance at the total datum source of exchanging datum XML file easily.
Description
Technical field
The present invention relates to a kind of computer aided design method of control system, more particularly relate to a kind of computer aided design method that is mainly used in vehicle-carrying distribution control system of the architecture based on model-driven.
Background technology
Dcs is a kind of novel computer control system for Centralized Control System, it is the also big effect of play more and more in industrial circle, especially aspect vehicle control syetem, good real-time, reliability and high cost performance be the outstanding advantage of vehicle-carrying distribution control system just.Adopted increasing electron controls technology on the Hyundai Motor, and carried out exchanges data by network between each electronic control unit and form so-called vehicle-carrying distribution control system.The application of dcs has become the important component part of Electronic Control Technology in Modern Automobiles.Vehicle electronics control module, particularly vehicle mounted distributed network control system have a lot of distinctive problems, such as online matching and calibration, system integration debugging, procotol formulation and realization etc.On the one hand, at these problems, the solution difference of each development teams is very big, and the technical scheme between can not be general mutually; On the other hand, in some field or the development phase still lack quality and the efficient that rational technological means guarantees exploitation.Therefore there is such demand, the computer aided development technology is applied to the performance history of vehicle-carrying distribution control system, performance history is standardized.
The key problem of vehicle-carrying distribution control system computer aided development mainly contains two: the static state of dcs is described and is dynamically described.The former solves the structural description problem of dcs emphatically, and the dynamic behaviour of the main discussing system of the latter is described and expression.Structural description generally comprises the network topology structure of dcs, the logic interfacing feature of network node, the aspect contents such as communications protocol of network.The behavior descriptions such as logic state transition characteristic that then comprise distributed control algolithm, network management algorithm, Control Node are described in the dynamic behaviour of system.At present the static state of dcs being described mainly is to be that some of representative are in the company standard of technological precedence status with German Vector company, but industry the recognized standard data model never forms.Static structure is described relatively, description to the dynamic behaviour of dcs seems abundant inadequately more, with the embedded software developing operation class seemingly, each development teams is expressed control strategy and logic according to understanding the document description mode of selecting oneself to like according to self background separately, its outstanding problem is that technical scheme does not have interchangeability and versatility, be difficult to be generalized to bigger scope, and be difficult to be directly used in computer aided development.With existing CAN bus control system performance history is example, and present development and implementation process generally is, at first by text document the network standard and agreement is described, and is realized by manual programming then.The subject matter of this method is, efficient is low and cause ambiguity easily, and main is not provide uniform data format, can't realize automatic electronic data conversion and exchange in whole bus protocol implementation process.At the problems referred to above, indivedual research institutions adopt database mode to describe network communication protocol, this solution is having very much progress aspect readable and the man-machine interaction, but still there are some technological deficiencies: at first, database is not open, read and revise database with special Software tool, interchangeability is poor; Secondly, poor expandability must be worked out special Software tool and could realize expanded function, change, be applied to automatically particular platform, create and modification etc. automatically as automatic format, has limited this method applying in the larger context.
Summary of the invention
At the problems referred to above that exist in the vehicle-carrying distribution control system exploitation, technical matters to be solved by this invention is the vehicle-carrying distribution control system computer aided design method that proposes a kind of integral body, the basic thought that this method is used with reference to object-oriented, distributed system is carried out static state and dynamically description and modeling, after setting up the sound states model of system, the machine-readable data form of unified model, the computer aided development technology is incorporated into each stage and the aspect of development, guarantees the quality and the efficient of development.
The technical solution adopted in the present invention: a kind of computer aided design method of vehicle-carrying distribution control system, this method is based on the architecture of model-driven, its step comprises: at first set up the abstract mathematics model of vehicle-carrying distribution control system based on the UML modeling language, this abstract mathematics model has comprised simultaneously to be described and the dynamic behaviour description the static structure of dcs; Then, set up the XML document that exchanges at the protocol data of using according to the semantic standard of the uml model of being set up; At last, the above-mentioned XML document that is easy to exchanges data as uniform data swap data source, is used to develop the various computer-aided analyses based on the uniform data source, design and the test software and hardware instrument of vehicle-carrying distribution control system.
The described abstract data model of setting up vehicle-carrying distribution control system based on the UML modeling language comprises sets up OO four layer architectures, at first produce " protocol semantics model " (PSchema), " visual semantic model " (GSchema) and " the open process model of dcs " (OPM) three class M1 layer models, wherein " protocol semantics model " further instantiation turn to the M0 layer " dcs interchange of data " (DDX); " visual semantic model " further instantiation turn to the M0 layer " distributed control graphical interfaces swap data " (DGX), DGX is a kind of and device-independent control system user graphical interface describing method based on SVG; " process model object " that " dcs open process model " further is instantiated as the M0 layer (PMO), PMO has constituted algorithm logic and the irrelevant statement of flowsheet platform in the described vehicle-carrying distribution control system computer aided design method to the description of logic and sequential relationship.
The invention has the beneficial effects as follows: the present invention is incorporated into object-oriented applicating developing technology UML " unified modeling language " in the performance history of vehicle-carrying distribution control system, also way general in the soft project and advanced development idea are included in into, this makes in the performance history of vehicle-carrying distribution control system, the developer has had the development procedure and the corresponding necessary computer-aided tool of a standard, not only can improve individual's development quality and efficient, define standards and norms for data and message exchange between the different development teams simultaneously.The present invention proposes the notion that DDX and DGX structural data are described, make that the uniform data exchange becomes possibility in the performance history.In addition, the present invention proposes the notion of OPM, no matter be at test and debugging is used or the embedded node code is realized, OPM can realize logic and temporal model to unite with target algorithm, for algorithmic code automatically generation lay a good foundation.To sum up, a kind of vehicle-carrying distribution control system computer aided design method that the present invention proposes, set up the sound states model of vehicle-carrying distribution control system, set up the unified machine-readable data form of described model, computer aided development is incorporated into each stage and the aspect of development, has improved the quality and the efficient of development.
Description of drawings
Fig. 1 is a modeling method process flow diagram of following OMG four layer architectures;
Fig. 2 is a uniform data exchange model and based on application of model development and implementation process flow diagram;
Fig. 3 is that the dcs network communication protocol is formulated and issue implementing procedure figure;
Fig. 4 is the implementing procedure figure of measurement, demarcation, diagnosis and test and validation platform correlation model;
Fig. 5 is the process flow diagram that an algorithm is realized and automatic code generates.
Embodiment
With closely-related two the technology prior aries of the present invention be UML and XML technology.In the field of software development that comprises Vehicle Controller software, " unified modeling language " (Unified ModelingLanguage is called for short UML), more and more approved and used.UML is a core technology by the Model Driven Architecture of OMG (ObjectManagement Group) proposition, it be a kind of definition good, be easy to express, powerful and blanket OO unified modeling language, the method that be that the third generation is used for that product for the object-oriented development system describes, visual, establishment document and automatic code generates.UML is made up of figure and meta-model, and figure is the grammer of UML, and meta-model has then provided the meaning of figure, i.e. the semanteme of UML.UML provides various figures, such as being used for different description angles respectively with illustration, class figure, precedence diagram, collaboration diagram, constitutional diagram etc., coming these model elements and concerns visually, people can be known easily understand model.Developed many available UML modeling softwares system based on UML, utilized these instruments, we can set up the model of the software systems of describing with UML, and can generate and safeguard the code of language such as C++, Java, VB, Oracle and system automatically.This just realizes that according to model the design of hardware and software of vehicle-carrying distribution control system provides possibility for us.XML is a kind of meta-tag language, and so-called " meta-tag " is exactly the mark that the developer can define oneself according to the needs of oneself." make mark all readable to people and machine " is the essence of XML, and this also is the reason that the present invention adopts XML, promptly provides a kind of structural data to describe.The basic step that XML is applied to specific area is: at first, the complete vocabulary of definition one this domain-specific of cover, this vocabulary both can be used as the basic standard form of exchanges data in this field, and information between the different team and development system can be reused to greatest extent based on this realization again.Form some authoritative vocabularies in a lot of fields at present and be used for electronic data interchange, such as being used for the SVG (Scalar Vector Graphics) that 2 dimensional vectors are described, the CML (ChemicalMarkup Language) that is used for chemical field, the MathML (Mathematical MarkupLanguage) that is used for the mathematical formulae statement is used for the SMIL (Synchronized MultimediaIntegration Language) of multi-medium data exchange etc.
The present invention has three key steps, a kind of computer aided design method of vehicle-carrying distribution control system, this method designs based on the architecture of model-driven, its step comprises: the abstract data model of at first setting up vehicle-carrying distribution control system based on the UML modeling language, this abstract data model has comprised simultaneously to be described and the dynamic behaviour description the static structure of dcs, static modeling is the design feature of vehicle-carrying distribution control system to be done on the basis of in-depth analysis, set up the data model that its uml class figure describes, subsequently UML is expressed as the semantic table of XML (XMLSchema) that instructs XML document to generate, and the class figure that (or title modeling) mainly utilizes UML is described in dynamic behaviour, use illustration, state machine diagram, precedence diagram, collaboration diagrams etc. are described the logic and the flow process of distributed control algolithm; Then, according to the XML document of the uml model semantical definition of being set up at the protocol data exchange of using; At last, the above-mentioned XML document that is easy to exchanges data as uniform data swap data source, is used to develop the various computer-aided analyses based on model, design and the test software and hardware instrument of vehicle-carrying distribution control system.The described abstract data model of setting up vehicle-carrying distribution control system based on the UML modeling language comprises sets up OO four layer architectures, at first produce " protocol semantics model " (PSchema), " visual semantic model " (GSchema) and " the open process model of dcs " OPM three class M1 layer models, wherein " protocol semantics model " further instantiation turn to " dcs interchange of data " DDX of M0 layer; " visual semantic model " further instantiation turns to " distributed control graphical interfaces swap data " DGX of M0 layer, and DGX is a kind of and device-independent control system user graphical interface describing method based on SVG; " dcs open process model " further is instantiated as " process model object " PMO of M0 layer, and PMO has constituted algorithm logic and the irrelevant statement of flowsheet platform in the described vehicle-carrying distribution control system computer aided design method to the description of logic and sequential relationship.
Four layer architectures based on model development that OMG proposes are followed in modeling process strictness of the present invention, as shown in Figure 1, the MOF of unit-meta-model layer (M3) and the UML of meta-model layer (M2) are existing models, and modeling work of the present invention mainly concentrates on model layer (M1) and object layer (M0).The modeling work of model layer (M1) adopts the UML class of languages figure statement of M2 layer to be studied object, i.e. vehicle-carrying distribution control system, behavioural characteristic, the present invention mainly proposes following 3 aspect model: PSchema (Protocol Schema): the protocol semantics model.The class figure of such model use UML describes dcs bus topolopy and protocol data transmission rule; The present invention adopts a cover protocol semantics model of oneself developing, but be not limited thereto, as a kind of open development approach, the protocol semantics model of the present invention exploitation both can adopt for other similar systems, also provides interface for the protocol semantics model of association area imports simultaneously.In the long run, adopt the protocol semantics model of the vehicle-carrying distribution control system of (scene) bus will be evolved into the standard semantic that industry is approved.GSchema (Graphics Schema): visual semantic model, the class figure of employing UML describes device independent user graphical interface model.OPM (Open DCS Process Model): dcs is opened process model, mainly utilizes the class figure of UML, according to OO program development thought, sets up the basic process model of OO distributed control algolithm logic and flow process.On the basis of model layer (M1) modeling work, object layer (M0) can be set up the instantiation object that meets each semanteme/process model of object layer by the uml class figure of instantiation model layer.At first will generate corresponding instantiation structural data DDX (dcs interchange of data according to the protocol semantics model (PSchema) and the visual semantic model (GSchema) of model layer, DCS Data Exchange) and DGX (distributed control graphical interfaces swap data, DCS GUI Exchange).DDX and DGX are the XML document of standard, and the grammer of XML and name space are all in strict conformity with the regulation of protocol semantics model (PSchema) and visual semantic model (GSchema).Because protocol semantics model (PSchema) that model layer provides and visual semantic model (GSchema) will instruct the structural data DDX and the DGX of formation object layer, so, the legitimacy that PSchema that describes with uml class figure and GSchema will be used to check DDX and DGX, for this reason, PSchema and Gschema that the present invention further describes uml class figure are converted into corresponding XML semanteme (XML Schema) expression-form, like this, whether general XML edits and handling procedure just can be discerned PSchema and GSchema model structure, and further check DDX and DGX legal.The present invention introduces DGX, and is main in order to finish the application and development task relevant with user graphical interface.At first, DGX adopts SVG (Scalar Vector Graphic) form, and this is a kind of XML of meeting standard and 2 n dimensional vector n figure descriptor formats platform independence.Secondly, expressed because all information of modeling all have in DDX and shape library, so DGX is a class secondary model.The introducing of DGX makes that the application and development task relevant with user graphical interface can be divided into PIM equally and two stages of PSM finish.Such as measuring in the application at one, distributed system developer wishes car speed is shown to the vehicle driver with the form of pointer, the developer need finish two work stage by stage for this reason, the DGX that at first sets up the pointer figure describes, this is and the irrelevant SVG format description of display platform that this is the work in PIM stage; He selects the specific implementation platform for use according to the DGX form subsequently, sets up standard compliant graphic display terminal equipment, and this is the work in PSM stage." dcs interchange of data DDX " is the instantiation data file that generates according to protocol semantics model PSchema, it has specifically described the bus communication protocol instance of a given vehicle-carrying distribution control system, and it will be as the core database of exchanges data in the follow-up work and processing." distributed control graphical interfaces swap data DGX " is the instantiation data file that generates according to visual semantic model GSchema, and it has specifically described in the specific development process of a given vehicle-carrying distribution control system the visual interactive interface of platform independence between the development and testing personnel and bus protocol data.The instantiation of the OPM class figure of model layer generates so-called " process model object " and (PMO) description of logic and sequential relationship has been constituted the algorithm logic and the irrelevant statement of flowsheet platform of vehicle-carrying distribution control system, so the understandable mode of PMO code requirement is come out unified distribution control thought expression.The XML database D DX and the DGX of object layer (M0 layer), and platform independence algorithm logic and flow process are described the uniform data exchange basis that PMO has constituted follow-up platform dependent application exploitation based on model.
Modeling process of the present invention produces is actually a class platform independence model (PIM, PlatformIndependent Model), on this basis, specific for finishing based on the application of model development task, must be in conjunction with concrete implementation platform, promptly introduce so-called platform correlation model (PSM, PlatformSpecific Models).Other one side content of the present invention just is based on the application of model development approach, and this partial content can be summarized with the process prescription of Fig. 2.Inherit the achievement of modeling part among Fig. 1, M1 layer among Fig. 2 in the platform independence model (PIM) that part 1 is described and M0 layer content have been enumerated main several platform particular models and application as on the basis of " uniform data exchange ".The PSM level has been summarized the main field of developing based on application of model among the present invention among Fig. 2, and this includes but not limited to following content
1. formulate and issue based on the dcs network communication protocol of DDX, DGX and PMO;
2. the area of computer aided based on the dcs embedded controller controls algorithm of DDX and PMO realizes and the automatic code generation;
3. develop based on debugging of dcs network communication protocol and the testing tool of DDX, DGX;
4. based on soft, the hardware tools of dcs measurement, matching and calibration and fault diagnosis of DDX, DGX and PMO;
Above-mentioned expansion and application based on model on platform independence modeling technique that proposes previously of the present invention and result's basis, are applied to the computer aided development technology each stage of vehicle-carrying distribution control system performance history.
Simply introduce the concrete implementing method that above-mentioned 4 classes are used below.
(1) formulates and issue based on the dcs network communication protocol of DDX, DGX and OPM;
Fig. 3 is that the dcs network communication protocol is formulated and issue implementation step process flow diagram, on the basis of DDX, DGX and PMO, utilize general XML document conversion and processing specification and instrument, such as XSL (Extensible Stylesheet Language) and XSLT (XSLTransformations) etc., can change and process processing to the DDX and the DGX file of original XML form, be output into the agreement document that comprises PDF (Portable Document Format) form; Instance objects PMO also can be embedded in the PDF agreement document with the graphic form that standardizes, is easy to exchange with state machine diagram, precedence diagram etc. in addition.Like this, just the raw data exchange message can be converted into the text protocol that the developer can conveniently understand is issued.
(2) development and testing personnel and equipment is mutual
Fig. 4 is platform correlation model implementing procedure figure such as measurement, demarcation, diagnosis and test and validation, based on the debugging of the dcs network communication protocol of DDX, DGX and testing tool exploitation and measurement, matching and calibration and fault diagnosis are soft, hardware tools can be summarised as development and testing personnel and equipment mutual such class application.Because have a lot of technical advantages, so the present invention is realizing that the technical JAVA language of selecting for use is as basic platform with JAVA Language Processing XML and SVG document.Fig. 4 has also provided the basic function module that a possible MCD (measure, demarcate and diagnosis) application system should have.At first, such system must possess the platform related realization SPO (Specific Platform Object) of platform independence model DDX and DGX, as the instantiation and the materialization time of running object of model, thereby can realize operations such as retrieval to them.Wherein the SPO of DDX is called " particular platform object data interface " (SPODataInterface), and the SPO of DGX is called " particular platform object graphic interface " (SPOGraphicInterface), respectively processing protocol data and graphical user interface.Secondly, the realization of steering logic and algorithm depends on " process model realization " code PMI (ProcessModel Implement), and this is the platform related realization of platform independence model PMO.In addition, owing to must handle the dcs bus data, so will have bus signals collecting device and relevant hardware interface software functional module.At last, all modules ride on " operation platform " of a unification, and this platform is responsible for exchanges data and message transmission between process between each functional module.For such system, end user or operator's interface mainly contains two, " particular platform object graphic interface " SPOGraphicInterface and " operation platform ", the interface that the user provides by system can be finished set (measuring an or debugging) application task.
(3) algorithm is realized and the automatic code generation
Fig. 5 has provided that a possible algorithm is realized and the process flow diagram of automatic code generation.Describe DDX according to platform independence algorithm model object PMO and structuring protocol data, can generate higher-level language code respectively, such as the header file (.h file) and source file (.c file) code of C language by the code Core Generator.Compiling just can generate object code through compiler, moves on each embedded target node of forming dcs.
Above said content only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (2)
1. the computer aided design method of a vehicle-carrying distribution control system, this method is based on the architecture of model-driven, its step comprises: at first set up the abstract mathematics model of vehicle-carrying distribution control system based on the UML modeling language, this abstract mathematics model has comprised simultaneously to be described and the dynamic behaviour description the static structure of dcs; Then, set up the XML document that exchanges at the protocol data of using according to the semantic standard of the uml model of being set up; At last, the above-mentioned XML document that is easy to exchanges data as uniform data swap data source, is used to develop the various computer-aided analyses based on the uniform data source, design and the test software and hardware instrument of vehicle-carrying distribution control system.
2. the computer aided design method of a kind of vehicle-carrying distribution control system according to claim 1, it is characterized in that: the described abstract data model of setting up vehicle-carrying distribution control system based on the UML modeling language comprises sets up OO four layer architectures, at first produce " protocol semantics model " (PSchema), " visual semantic model " (GSchema) and " dcs open process model " (OPM) three class M1 layer models, wherein " protocol semantics model " further instantiation turn to the M0 layer " dcs interchange of data " (DDX); " visual semantic model " further instantiation turn to the M0 layer " distributed control graphical interfaces swap data " (DGX), DGX is a kind of and device-independent control system user graphical interface describing method based on SVG; " process model object " that " dcs open process model " further is instantiated as the M0 layer (PMO), PMO has constituted algorithm logic and the irrelevant statement of flowsheet platform in the described vehicle-carrying distribution control system computer aided design method to the description of logic and sequential relationship.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100580586C (en) * | 2006-08-28 | 2010-01-13 | 中国科学院电工研究所 | Development method of vehicle mounted distributed network control system |
| CN103513976A (en) * | 2012-06-29 | 2014-01-15 | 中兴通讯股份有限公司 | Service process modeling method and device |
| CN106022483A (en) * | 2016-05-11 | 2016-10-12 | 星环信息科技（上海）有限公司 | Method and equipment for conversion between machine learning models |
| CN110764750A (en) * | 2019-10-30 | 2020-02-07 | 华南理工大学 | Energy economy simulation system development method based on individual model |
| CN112099784A (en) * | 2020-08-18 | 2020-12-18 | 西安合科软件有限公司 | Model creation method and device |
| CN112104536A (en) * | 2020-11-02 | 2020-12-18 | 奥特酷智能科技(南京)有限公司 | Automobile Ethernet bus design method based on DDS protocol |
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2004
- 2004-10-12 CN CN 200410067082 patent/CN1734457A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100580586C (en) * | 2006-08-28 | 2010-01-13 | 中国科学院电工研究所 | Development method of vehicle mounted distributed network control system |
| CN103513976A (en) * | 2012-06-29 | 2014-01-15 | 中兴通讯股份有限公司 | Service process modeling method and device |
| CN103513976B (en) * | 2012-06-29 | 2018-06-12 | 中兴通讯股份有限公司 | Service flowpath modelling approach and device |
| CN106022483A (en) * | 2016-05-11 | 2016-10-12 | 星环信息科技（上海）有限公司 | Method and equipment for conversion between machine learning models |
| CN106022483B (en) * | 2016-05-11 | 2019-06-14 | 星环信息科技（上海）有限公司 | The method and apparatus converted between machine learning model |
| CN110764750A (en) * | 2019-10-30 | 2020-02-07 | 华南理工大学 | Energy economy simulation system development method based on individual model |
| CN112099784A (en) * | 2020-08-18 | 2020-12-18 | 西安合科软件有限公司 | Model creation method and device |
| CN112104536A (en) * | 2020-11-02 | 2020-12-18 | 奥特酷智能科技(南京)有限公司 | Automobile Ethernet bus design method based on DDS protocol |
| CN112104536B (en) * | 2020-11-02 | 2021-02-12 | 奥特酷智能科技(南京)有限公司 | Automobile Ethernet bus design method based on DDS protocol |
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