CN103455023B - Be used for testing arrangement and the method for the dynamical system of new-energy automobile - Google Patents
Be used for testing arrangement and the method for the dynamical system of new-energy automobile Download PDFInfo
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Abstract
The present invention proposes a kind of testing arrangement and method of the dynamical system for new-energy automobile. Wherein, device comprises: CAN database, for resolving signal in CAN bus according to predetermined CAN communication protocol to obtain the performance data of dynamical system; Input module, for giving corresponding variable by performance data assignment; Functional processing module, for the performance of variable being processed to obtain analytical performance data and being analyzed dynamical system, and exports corresponding signal according to analysis result; Output module, for being mapped as display drive signals by output signal; And human-computer interaction interface, for according to display drive signals display analysis result. CAN database of the present invention is only associated with input module, use output module to keep the independence between functional processing module and human-computer interaction interface simultaneously, thus, in the time that project changes, only need input module to modify and can use original test configurations Rapid Establishment test environment, increase work efficiency.
Description
Technical field
The present invention relates to field of automobile, particularly a kind of test of the dynamical system for new-energy automobileApparatus and method.
Background technology
At present, new-energy automobile generally uses CAN(ControllerAreaNetwork, controller local area network) busCommunicating by letter between construction force internal system and dynamical system and prototype vehicle subsystems. Thus, can use CANInstrument carries out test analysis to CAN bus, can utilize the signal in CAN bus to analyze systemic-function simultaneously.In the time using CAN instrument to carry out test analysis, all need to set up test profile.
Prior art exist problem be, in various technical scheme, the information that each control module is mutualThere is durability significantly, but in different projects and in the different development phases, these CAN information institutesMessage and message attribute be very different. Thus, using CAN instrument to carry out dynamic system analysis testTime, once CAN communications database is changed to some extent, test profile needs to redesign, and not only loses time but also easyMake mistakes, bring great inconvenience to analytical test personnel.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, the amendment that first object of the present invention is to propose a kind of test configurations easily, can survey by Rapid EstablishmentThe testing arrangement of the dynamical system for new-energy automobile in test ring border.
Second object of the present invention is to propose a kind of method of testing of the dynamical system for new-energy automobile.
For achieving the above object, according to the embodiment of first aspect present invention, a kind of power for new-energy automobile is proposedThe testing arrangement of system, comprising: CAN database, and for resolving CAN bus according to predetermined CAN communication protocolOn signal to obtain the performance data of dynamical system; Input module, for composing the performance data of described dynamical systemValue is to corresponding variable; Functional processing module, obtains dividing of described dynamical system for described variable is processedAnalyse performance data, and according to the performance of dynamical system described in described analytical performance data analysis, and according to analysis resultExport corresponding signal; Output module is display driver letter for the signal map that described functional processing module is exportedNumber; And human-computer interaction interface, for showing described analysis result according to described display drive signals.
According to the testing arrangement of the dynamical system for new-energy automobile of the embodiment of the present invention, CAN database is only with defeatedEnter module and be associated, use output module to keep the independence between functional processing module and human-computer interaction interface simultaneously,Thus, in the time that project changes, only need input module to modify and can use original test configurations Rapid Establishment testEnvironment, greatly reduces workload, increases work efficiency.
In one embodiment of the invention, described functional processing module specifically comprises: assignment unit, and for directlyDescribed variable assignments is given described analytical performance data; Computing unit, for carrying out according to described variable and predetermined formulaCalculate to obtain described analytical performance data; Analytic unit, for according to power described in described analytical performance data analysisThe performance of system, and export corresponding signal according to analysis result. Thus, realize the test of the performance to dynamical system.
In one embodiment of the invention, described human-computer interaction interface comprises that data window, graphics panel and curve divideAnalyse window. Thus, user can understand the performance of dynamical system comprehensively intuitively.
For achieving the above object, the test side of the dynamical system for new-energy automobile of second aspect present invention embodimentMethod, comprises the following steps: resolve signal in CAN bus to obtain the property of dynamical system according to predetermined communication protocolEnergy data; Give corresponding variable by the performance data assignment of described dynamical system; Described variable is processed to obtainThe analytical performance data of described dynamical system; According to the performance of dynamical system described in described analytical performance data analysis, andExport corresponding output signal according to analysis result; Described output signal is mapped as to display drive signals; According to describedDisplay drive signals shows described analysis result.
According to the method for testing of the dynamical system for new-energy automobile of the embodiment of the present invention, CAN signal only with inputVariable is associated, and has kept performance evaluation and result to show by the mapping between output signal and display drive signals simultaneouslyIndependence between showing, thus, in the time that project changes, only needs the mapping relations between CAN signal and input variableModify, can use original test configurations Rapid Establishment test environment, greatly reduce workload, raising work effectRate.
In one embodiment of the invention, described analysis of described variable being processed to obtain described dynamical systemPerformance data specifically comprises: directly give described analytical performance data by described variable assignments; Or, according to described variableCalculate to obtain described analytical performance data with predetermined formula. Thus, can realize performance to dynamical systemAnalytical test.
In one embodiment of the invention, the described analysis result of described demonstration specifically comprises: undertaken by data windowShow; Show by graphics panel; Show by tracing analysis window. Thus, user can be comprehensively directly perceivedThe performance of dynamical system is understood on ground.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become from the following descriptionObtain obviously, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments brightAobvious and easy understanding, wherein:
Fig. 1 is the structured flowchart of the testing arrangement of the dynamical system for new-energy automobile of one embodiment of the invention;
Fig. 2 is the data processing stream of the testing arrangement of the dynamical system for new-energy automobile of one embodiment of the inventionCheng Tu;
Fig. 3 is the structured flowchart of an embodiment of the functional processing module in Fig. 1;
Fig. 4 is the flow chart of the method for testing of the dynamical system for new-energy automobile of one embodiment of the invention.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein from start to finishSame or similar label represents same or similar element or has the element of identical or similar functions. Below by ginsengThe embodiment that examines accompanying drawing description is exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention. For letterChange of the present invention openly, hereinafter the parts to specific examples and setting are described. Certainly, they are only example,And object does not lie in restriction the present invention. In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate between discussed various embodiment and/or settingRelation. In addition the various specific technique the invention provides and the example of material, but ordinary skill people,Member can recognize the property of can be applicable to of other techniques and/or the use of other materials. In addition, the first spy described belowLevy Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also canTo comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may be notIt is direct contact.
In description of the invention, it will be appreciated that, term " longitudinally ", " laterally ", " on ", D score, 'fornt', 'back'," left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based onOrientation shown in the drawings or position relationship, be only the present invention for convenience of description and simplified characterization, instead of instruction or darkThe device or the element that show indication must have specific orientation, construct and operation with specific orientation, therefore can not understandFor limitation of the present invention.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected "," connection " should be interpreted broadly, and for example, can be mechanical connection or electrical connection, can be also the company of two element internalsLogical, can be to be directly connected, also can indirectly be connected by intermediary, for those of ordinary skill in the art andSay, can understand as the case may be the concrete meaning of above-mentioned term.
Describe in detail according to the dynamical system for new-energy automobile of the embodiment of the present invention below in conjunction with Figure of descriptionTesting arrangement.
Fig. 1 is the structural representation of the testing arrangement of the dynamical system for new-energy automobile of one embodiment of the invention,As shown in Figure 1, comprise according to the testing arrangement of the dynamical system for new-energy automobile of the embodiment of the present invention: CANDatabase 10, input module 20, functional processing module 30, output module 40 and human-computer interaction interface 50.
CAN database 10 is for resolving signal in CAN bus to obtain dynamical system according to predetermined communication protocolPerformance data. Input module 20 is for giving corresponding variable by the performance data assignment of dynamical system. Function treatment mouldPiece 30 is for variable being processed to obtain analytical performance data, and according to analytical performance data analysis dynamical systemPerformance, and export corresponding signal according to analysis result. Output module 40 is for exporting functional processing module 30Signal map be display drive signals. Human-computer interaction interface 50 is for according to display drive signals display analysis result.
The survey of the testing arrangement of the dynamical system for new-energy automobile that particularly, Fig. 2 is one embodiment of the inventionExamination flow chart. It should be noted that, due in the prior art, the property of the dynamical system collecting by CAN busCan data can be encoded and pass through CAN bus transfer with generating digital signal by the CAN communication protocol according to predetermined,Thus, in one embodiment of the invention, as shown in Figure 2, CAN database 10 is first according to predetermined CANCommunication protocol resolves to obtain the performance data of dynamical system to the signal in CAN bus, as Motor torqueMotorTorque, cell voltage BatteryVoltage etc., be then converted to follow-up by the performance data files gettingThe discernible file format of input module 20, for example CAN database file (.dbc) is imported to test configurations literary compositionPart (.cfg), database file comprises afterwards CAN signal and CAPL(CANAccessProgrammingLanguage, the kind C programming language that CAN instrument provides) directly oneself program be dynamically connected. In CAPL programInput module 20 can directly be selected CAN signal, and the variable of input module 20 can use and in CAN instrument beSystem variable as Inp-MotorTorque etc., is then set up mapping relations between CAN Signals & Systems variable, asInp-MotorTorque=MotorTorque.phys etc.
Then, functional processing module 30 is processed the variable in input module 20. It should be noted that new energyConvectional signals in the dynamical system of source automobile, as motor speed MotorSpeed, Motor torque MotorTorque, electricityCell voltage BatterVoltage etc. is generally included in CAN database file, so only need be to variable simple assignment,As Fun-MotorTorque=Inp-MotorTorque etc. But, in the time that the performance of dynamical system is analyzed, pastToward using other some variablees, as the electrical power of the mechanical output of motor, motor etc., now need basisMotor speed and moment of torsion calculate to obtain the mechanical output of motor, as shown in Figure 2,Fun-MotorPower=Fun-MotorTorque*Fun-MotorSpeed/9550; According to the voltage of motor inverter end andElectric current calculates to obtain the electrical power of motor, as shown in Figure 2,Fun-BatteryPower=Fun-BatteryVoltage*Fun-BatteryCurrent/1 000. Can analyze thus motor drivesThe Real time Efficiency of system. In addition, functional processing module 30 also can calculate the power of the power of battery and other power accessories,And then can analyze the power-balance of whole dynamical system. Therefore, as shown in Figure 3, in one embodiment of the present of inventionIn, functional processing module 30 can comprise assignment unit 310, computing unit 320 and analytic unit 330. Assignment unit310 for directly by variable assignments to analytical performance data. Computing unit 320 is for entering according to variable and predetermined formulaRow calculates to obtain analytical performance data. Analytic unit 330 is for according to the property of analytical performance data analysis dynamical systemCan, and export corresponding signal according to analysis result.
In order to keep the independence of human-computer interaction interface 50 and CAPL program, in an embodiment of the present invention, by defeatedGo out module 40 sets up between the output signal of functional processing module 30 and the display drive signals of human-computer interaction interface 50Mapping relations, as shown in Figure 2, Out-MotorTorque=Fun-MotorTorque etc. Then, believed by display driverNumber drive human-computer interaction interface 50 analysis result is shown. Particularly, can by data window show and/Or show and/or show by tracing analysis window by graphics panel. Thus, user can be comprehensively intuitivelyUnderstand the performance of dynamical system.
Also it should be noted that, in one embodiment of the invention, also can use in CAN instrument according to concrete projectSet timer function determine cycle of operation of CAPL program, for example 5ms or 10ms.
According to the testing arrangement of the dynamical system for new-energy automobile of the embodiment of the present invention, CAN database is only with defeatedEnter module and be associated, use output module to keep the independence between functional processing module and human-computer interaction interface simultaneously,Thus, in the time that project changes, only need input module to modify and can use original test configurations Rapid Establishment testEnvironment, greatly reduces workload, increases work efficiency.
Another aspect of the present invention also proposes a kind of method of testing of the dynamical system for new-energy automobile.
Fig. 4 is the flow chart of the method for testing of the dynamical system for new-energy automobile of one embodiment of the invention. AsShown in Fig. 4, comprise the steps according to the method for testing of the dynamical system for new-energy automobile of the embodiment of the present invention.
Step S101, resolves signal in CAN bus to obtain the performance of dynamical system according to predetermined communication protocolData.
Particularly, in the prior art, the performance data of the dynamical system collecting by CAN bus can be by according in advanceFixed communication protocol is encoded and is passed through CAN bus transfer with generating digital signal, thus, and at one of the present inventionIn embodiment, first according to predetermined communication protocol, the signal in CAN bus is resolved to obtain dynamical systemPerformance data, is then converted to the performance data files getting discernible file format in subsequent operation, for exampleCAN database file (.dbc) is imported to test profile (.cfg).
Step S102, gives corresponding variable by the performance data assignment of dynamical system.
Particularly, in one embodiment of the invention, CAN database file (.dbc) imports to test configurations literary compositionAfter part (.cfg), the CAN signal that database file comprises and CAPL program are directly from being dynamically connected, at CAPLThe input module of program can directly be selected CAN signal, then selects system variable in CAN instrument as inputThe variable of module, and set up mapping relations between CAN signal and the variable of input module.
Step S103, processes to obtain the analytical performance data of dynamical system to variable.
It should be noted that the convectional signals in the dynamical system of new-energy automobile, as motor speed, Motor torque,Cell voltages etc. are generally included in CAN database file, so only need can be used for data to variable simple assignment and divideAnalyse. But, in the time that the performance of dynamical system is analyzed, often need to use other some variablees, for example,The mechanical output that can obtain motor according to motor speed and moment of torsion, can obtain according to the voltage and current of motor inverter endThe electrical power of power taking machine, and then can analyze the Real time Efficiency of motor driven systems. Also can calculate simultaneously the power of battery withAnd the power of other power accessories, and then can analyze the power-balance of whole dynamical system.
Step S104, according to the performance of analytical performance data analysis dynamical system, and corresponding according to analysis result outputOutput signal.
Step S105, is mapped as display drive signals by output signal.
Step S106, according to display drive signals display analysis result.
In embodiments of the present invention, close by set up mapping between display drive signals and the output signal of analysis resultBe to have kept the independence of display interface and CAPL program. Particularly, in one embodiment of the invention, pointAnalysing result can show by data window; And/or show by graphics panel; And/or by tracing analysis windowMouth shows. Thus, user can understand the performance of dynamical system comprehensively intuitively.
According to the method for testing of the dynamical system for new-energy automobile of the embodiment of the present invention, CAN signal only with inputVariable is associated, and has kept performance evaluation and result to show by the mapping between output signal and display drive signals simultaneouslyIndependence between showing, thus, in the time that project changes, only needs the mapping relations between CAN signal and input variableModify, can use original test configurations Rapid Establishment test environment, greatly reduce workload, raising work effectRate.
In the description of this description, reference term " embodiment ", " some embodiment ", " illustrative examples ", " showExample ", the description of " concrete example " or " some examples " etc. means specific features, the knot described in conjunction with this embodiment or exampleStructure, material or feature are contained at least one embodiment of the present invention or example. In this manual, to above-mentioned termSchematic statement not necessarily refer to identical embodiment or example. And, the specific features of description, structure, material orPerson's feature can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, canUnderstand without departing from the principles and spirit of the present invention can to these embodiment carry out multiple variation, amendment,Replace and modification, scope of the present invention is by claims and be equal to and limit.
Claims (4)
1. for a testing arrangement for the dynamical system of new-energy automobile, it is characterized in that, comprising:
CAN database, for resolving the signal in CAN bus according to predetermined CAN communication protocolTo obtain the performance data of dynamical system;
Input module, for giving corresponding variable by the performance data assignment of described dynamical system;
Functional processing module, for processing to obtain the analytical of described dynamical system to described variableEnergy data, and according to the performance of dynamical system described in described analytical performance data analysis, and according to dividingAnalyse result and export corresponding signal, described functional processing module specifically comprises: assignment unit, and for directlyConnect described variable assignments to described analytical performance data; Computing unit, for according to described variable andPredetermined formula calculates to obtain described analytical performance data; And analytic unit, for basisThe performance of dynamical system described in described analytical performance data analysis, and corresponding according to analysis result outputSignal;
Output module is display drive signals for the signal map that described functional processing module is exported;And
Human-computer interaction interface, for showing described analysis result according to described display drive signals.
2. the testing arrangement of the dynamical system for new-energy automobile according to claim 1, itsBe characterised in that, described human-computer interaction interface comprises data window, graphics panel and tracing analysis window.
3. for a method of testing for the dynamical system of new-energy automobile, it is characterized in that, comprise withLower step:
Resolve signal in CAN bus to obtain the performance number of dynamical system according to predetermined communication protocolAccording to;
Give corresponding variable by the performance data assignment of described dynamical system;
Described variable is processed to obtain to the analytical performance data of described dynamical system, described to describedThe analytical performance data that variable processes to obtain described dynamical system specifically comprise: directly will described inVariable assignments is given described analytical performance data; Or, count according to described variable and predetermined formulaCalculate to obtain described analytical performance data;
According to the performance of dynamical system described in described analytical performance data analysis, and export according to analysis resultCorresponding output signal;
Described output signal is mapped as to display drive signals;
Show described analysis result according to described display drive signals.
4. the method for testing of the dynamical system for new-energy automobile according to claim 3, itsBe characterised in that, the described analysis result of described demonstration specifically comprises:
Show by data window;
Show by graphics panel;
Show by tracing analysis window.
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| CN107588964A (en) * | 2017-07-24 | 2018-01-16 | 芜湖赛宝信息产业技术研究院有限公司 | A kind of test method of new-energy automobile highest working speed |
| CN107942999B (en) * | 2017-11-24 | 2020-06-23 | 安徽一维新能源技术有限公司 | Trinity driving system intelligent test platform |
| CN109033338B (en) * | 2018-07-23 | 2022-02-01 | 北京新能源汽车股份有限公司 | Method and system for generating database file of automobile communication protocol |
| CN109828501B (en) * | 2019-01-31 | 2020-11-13 | 广州小鹏汽车科技有限公司 | Interface configuration method, system and storage medium of test model |
| CN114062935A (en) * | 2020-08-10 | 2022-02-18 | 威马智慧出行科技（上海）有限公司 | Data processing method, control equipment, monitoring system and electric automobile |
| US20250085962A1 (en) * | 2023-09-08 | 2025-03-13 | Shanghai Tosun Technology Ltd. | Vehicular multi-location synergic remote calibration method, server, requester and responder |
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