CN106897469A - A kind of test environment generation method and device - Google Patents
A kind of test environment generation method and device Download PDFInfo
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- CN106897469A CN106897469A CN201510954341.7A CN201510954341A CN106897469A CN 106897469 A CN106897469 A CN 106897469A CN 201510954341 A CN201510954341 A CN 201510954341A CN 106897469 A CN106897469 A CN 106897469A
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Abstract
The present invention provides a kind of test environment generation method and device, and methods described comprises the following steps：Obtain hardware characteristics parameter；The instruction calls model generation module for calling the model generation module in Visual Simulation Tools in default script file is performed, each simulation model is generated according to the hardware characteristics parameter using the model generation module；The instruction calls model setting function that the model called in Visual Simulation Tools in the default script file sets function is performed, setting function using the model is attached described each simulation model, forms test environment.
Description
Technical field
The present invention relates to emulate in ring test field, and in particular to a kind of test environment generation method and dress
Put.
Background technology
New energy (hybrid power is pure electronic) automobile be widely regarded as solve automobile exhaust pollution and
One of main path of the problems such as petroleum-based energy shortage, with the fast development of new-energy automobile, to it
The properties of product of kernel component, reliability requirement are also more and more important.
By taking new-energy automobile as an example, the dynamical system of vehicle is main to be managed by electrokinetic cell, electrokinetic cell
System, motor, drive motor controller, entire car controller (vehicle management
System, VMS) composition.VMS coordinates between each controller as the core component of the system
Work, and have control action to other controllers.Therefore requirement very high has also been carried to VMS systems,
The test for strengthening software in VMS development processes is necessary,
At present, the software test mode for measured target includes model in ring
(Model-in-the-Loop, MIL) test, software ring (Software-in-the-Loop,
SIL) test, hardware in loop (Hardware-in-the-Loop, HIL) test, above-mentioned test can
To find the defect of measured target as early as possible, risk of software development is reduced, shorten software development cycle.
It is required to use test environment model in MIL, SIL and HIL test, but, in different test items
In mesh, because the characteristic parameter of controled hardware is different, it is necessary to tester sets up different being controlled manually
Hardware simulation model simultaneously builds test environment, and setting up test environment manually can take a substantial amount of time,
Thus testing efficiency can be reduced.
The content of the invention
Therefore, the technical problem to be solved in the present invention is to overcome test environment of the prior art to set up
Mode can reduce the defect of the testing efficiency of measured target.
In view of this, the present invention provides a kind of test environment generation method, comprises the following steps：Obtain
Hardware characteristics parameter；The model called in Visual Simulation Tools performed in default script file is generated
The instruction calls model generation module of module, using the model generation module according to the hardware characteristics
Parameter generates each simulation model；Perform in the default script file and call Visual Simulation Tools
In model the instruction calls model of function is set function is set, function is set by institute using the model
State each simulation model to be attached, form test environment.
Preferably, also include：Obtain the type information of measured target；Add from Visual Simulation Tools
The environmental model interface that load is prestored；Determine from the environmental model interface for prestoring and the class
The associated environmental model interface of type information, the test environment passes through the environmental model interface and quilt
Survey target connection.
Preferably, the model called in Visual Simulation Tools performed in default script file is given birth to
It is special according to the hardware using the model generation module into the instruction calls model generation module of module
Levy parameter and generate each simulation model, including：The module performed in the default script file calls finger
Order is called in Simulink model libraries and the SimPowerSystem module librarys of Simulink instruments
Functional module；Called functional module is utilized to generate each emulation mould according to the hardware characteristics parameter
Type.
Preferably, the mould called in Visual Simulation Tools performed in the default script file
The instruction calls model that type sets function sets function, using the model set function will it is described each
Simulation model is attached, and forms test environment, including：Perform the letter in the default script file
Number call instruction calls the api function of the Simulink modules of Simulink instruments；Using being called
Api function described each simulation model is attached, formed test environment.
Preferably, the hardware characteristics parameter includes battery bag characteristic parameter, battery management system feature
Parameter, motor characteristic parameter, electric machine controller characteristic parameter, wherein, the motor characteristic parameter is extremely
Include peak power, maximum speed, maximum drive torque and maximum generation torque, the battery bag less
Characteristic parameter at least includes preliminary filling contactor parameter, main positive contact device parameter, main cathode contact device ginseng
Number, battery temperature value and insulating monitoring resistance value；The simulation model includes battery bag model, battery
Management system model, motor model, electric machine controller model.
Correspondingly, the present invention also provides a kind of test environment generating means, including：Parameter acquiring unit,
For obtaining hardware characteristics parameter；Model generation unit, for performing calling in default script file
The instruction calls model generation module of the model generation module in Visual Simulation Tools, using the mould
Type generation module generates each simulation model according to the hardware characteristics parameter；Ambient As unit, uses
In in performing the default script file call Visual Simulation Tools in model the finger of function is set
Make calling model that function is set, setting function using the model is connected described each simulation model
Connect, form test environment.
Preferably, also include：Type acquiring unit, the type information for obtaining measured target；In advance
Loading unit, for loading the environmental model interface for prestoring from Visual Simulation Tools；Interface
Determining unit, for determining to be associated with the type information from the environmental model interface for prestoring
Environmental model interface, the test environment is connected by the environmental model interface with measured target.
Preferably, the model generation unit includes：Module call unit, it is described default for performing
Module call instruction in script file call Simulink instruments Simulink model libraries and
Functional module in SimPowerSystem module librarys；Module execution unit, for utilizing what is called
Functional module generates each simulation model according to the hardware characteristics parameter.
Preferably, the ambient As unit includes：Function calling cell, performs the default script
Function call instruction in file calls the api function of the Simulink modules of Simulink instruments；
Function execution unit, for utilizing called api function to be attached described each simulation model,
Form test environment.
Preferably, the hardware characteristics parameter includes battery bag characteristic parameter, battery management system feature
Parameter, motor characteristic parameter, electric machine controller characteristic parameter, wherein, the motor characteristic parameter is extremely
Include peak power, maximum speed, maximum drive torque and maximum generation torque, the battery bag less
Characteristic parameter at least includes preliminary filling contactor parameter, main positive contact device parameter, main cathode contact device ginseng
Number, battery temperature value and insulating monitoring resistance value；The simulation model includes battery bag model, battery
Management system model, motor model, electric machine controller model.
The present invention calls the functional module of Visual Simulation Tools using script file, according to what is got
The characteristic parameter of controlled device sets up plant model automatically, and calls visualization using script file
The power function of emulation tool, the model that will be set up automatically is attached to form test environment, utilizes
Such scheme sets up test environment, only needs the characteristic parameter of user input controlled device, sets up and sets
The operation of test environment is carried out automatically by calling the correlation module or function of visualization tool, by
This present invention can improve testing efficiency.
The present invention can automatically generate ring according to the type image of the test-types of user input and measurand
Border model interface, the test environment set up can be communicated by the interface for generating with tested controller,
Thus can further improve testing efficiency.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, under
Face will be briefly described to the accompanying drawing to be used needed for specific embodiment or description of the prior art,
It should be evident that drawings in the following description are some embodiments of the present invention, it is general for this area
For logical technical staff, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the flow chart of test environment generation method provided in an embodiment of the present invention；
Fig. 2 is to set up environmental model interface in test environment generation method provided in an embodiment of the present invention
The flow chart of method；
The structural representation of Fig. 3 test environment generating means provided in an embodiment of the present invention.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that
Described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art are obtained under the premise of creative work is not made
Every other embodiment, belong to the scope of protection of the invention.
The content of test environment depends on measured target and test purpose, and measured target is typically controller,
Test purpose is the action whether test controller can correctly control and respond controled hardware, thus
Test environment should include the simulation model of all of controled hardware.The present embodiment is with entire car controller
Example, i.e. test target are entire car controller, and the present invention is described in detail.It should be noted that
The present embodiment is only intended to clearly illustrate example, the invention is not restricted to be used to set up vehicle control
The test environment of device processed, if clear and definite test target, and the hardware parameter needed for environment, set up
Any test environment is all feasible.
Originally apply example and a kind of test environment generation method is provided, the method can be provided with visual simulating
Performed in the computer of instrument (such as Simulink), the method as shown in Figure 1 comprises the following steps：
S1, obtains hardware characteristics parameter.For the test environment of entire car controller, hardware characteristics
Parameter can specifically include battery bag characteristic parameter, battery management system characteristic parameter, motor characteristic ginseng
Number, electric machine controller characteristic parameter, above-mentioned battery bag, battery management system, motor, motor control
Device is the object by vehicle control unit controls.In actually used, above-mentioned parameter can by user according to
Test event demand is provided, and this programme can set configuration interface, and user is according to configuration for guiding
Column in interface fills in above-mentioned parameter.Further, above-mentioned motor characteristic parameter at least includes maximum
Power, maximum speed, maximum drive torque, maximum generation torque；Above-mentioned battery bag characteristic parameter is extremely
Include preliminary filling contactor parameter, main positive contact device parameter, main cathode contact device parameter, battery temperature less
Angle value, insulating monitoring resistance value.
S2, performs the model generation module called in Visual Simulation Tools preset in script file
Instruction calls model generation module, it is corresponding according to above-mentioned parameter generation using the model generation module
Simulation model.For the test environment of entire car controller, specifically：It is special according to the battery bag
Levy parameter generation battery bag model, battery management system is generated according to the battery management system characteristic parameter
System model, according to the motor characteristic parameter generate motor model, according to the electric machine controller feature
Parameter generates electric machine controller model.The model that this step is set up is artificial in Visual Simulation Tools
Visible dummy model, the function or performance of model are determined by above-mentioned parameter.
It should be noted that emulation tool of the present invention refer to Dummy modeling and virtual signal transmission and
The application program of the functions such as treatment, is respectively provided with generation model, sets mould in existing various emulation tools
The functional modules such as type (setting annexation, position, title etc.), this step can be imitative by calling
Various functions module in true instrument realizes generating the purpose of various models, and those skilled in the art can
All it is feasible using existing various Visual Simulation Tools to understand.
S3, the model called in Visual Simulation Tools performed in the default script file sets letter
Several instruction calls models sets function, and the model that will be generated using model setting function is carried out
Connection, forms test environment.For the test environment of entire car controller, specifically to battery bag
Model, battery management system model, motor model, electric machine controller model are attached, and specifically connect
The relation of connecing can be configured according to real vehicle situation.Also, can also be according to the positional information for pre-setting
The position of each model is set, so that the line between model is more reasonable.Above-mentioned each model is finally connected
Test environment is formed, the specific annexation of model can be configured previously according to hardware actual conditions,
For example battery management system model is connected with battery bag model, by electric machine controller model and motor mould
Type is connected.
Above-mentioned script can be the file that designer writes in advance, for different Visual Simulation Tools,
The type of script file is that the model that different and different Visual Simulation Tools have in itself is given birth to
Cheng Mo and model set function and also differ, therefore the call instruction preset in script is also differed.But
It will be appreciated by those skilled in the art that being directed to same Visual Simulation Tools, the script for weaving can
To reuse, it is only necessary to the model of different performance is generated by obtaining different characteristic parameters and to mould
Type is configured.
The above method calls the functional module of Visual Simulation Tools using script file, according to getting
The characteristic parameter of controlled device set up plant model automatically, and called visually using script file
Change the power function of emulation tool, the model that will be set up automatically is attached to form test environment, profit
Test environment is set up with such scheme, the characteristic parameter of user input controlled device is only needed, is set up and is set
The operation for putting test environment is carried out automatically by calling the correlation module or function of visualization tool,
Thus the present invention can improve testing efficiency.
As described above, the test environment set up is a virtual environment, and quilt of the present invention
It is a hardware in kind to survey target (tested entire car controller).It is well known that dummy model needs to lead to
Cross an emulation interface to be communicated with hardware in kind, the interface is a kind of interfacing concept of broad sense, no
Electric interfaces and electronic signal interface are only included, also including wider real physical (such as amount of exercise：
Displacement, speed, acceleration；Power and torque；Temperature；Pressure) interface, the interface can be used for by
Real physical changes into numerical value and represents physical quantity, there is provided give test environment (each simulation model)；
The physical quantity that can be used for representing numerical value is converted into real physical, there is provided to hardware (vehicle in kind
Controller).In the art, due to the different of test-types, the difference of measured target, so environment
The interface of model is also different, and it is according to test needs by tester that existing interface sets up mode
It is configured.In order to realize automatically generating environmental model interface, as shown in Fig. 2 the above method is also
May include steps of：
S01, obtains the type information of measured target, and this programme can set a configuration interface, guides
User selects test-types, further selection measured target type；
S02, loads the environmental model interface for prestoring, visual simulating from Visual Simulation Tools
Instrument can store the environmental model interface various corresponding from different test environments for pre-setting, we
Case can pre-loaded all of environmental model interface；
S03, the environmental model that determination is associated with type information from the environmental model interface for prestoring
Interface, test environment is connected by environmental model interface with measured target.
Such scheme can be automatically generated according to the type image of the test-types of user input and measurand
Environmental model interface, the test environment set up can be led to by the interface for generating with tested controller
Letter, thus can further improve testing efficiency.
In the art, it is modeled and tests usually using the Simulink instruments in MATLAB,
I.e. above-mentioned Visual Simulation Tools can be Simulink instruments, and further, above-mentioned steps S2 can
To comprise the following steps：
S21, the module call instruction performed in the default script file calls Simulink instruments
Functional module in Simulink model libraries and SimPowerSystem module librarys, for example, can call
To various bases such as Subsystem, BusCreator, BusSelector in Simulink model libraries
Battery, Breaker, Current in this module, and SimPowerSystem module librarys
The modules such as Source, above-mentioned module is respectively used to realize the model that generation is different；
S22, generates various simulation models, for the survey of entire car controller respectively using above-mentioned various modules
For test ring border, that is, called functional module is utilized to generate battery bag mould according to battery bag characteristic parameter
Type, battery management system model is generated according to battery management system characteristic parameter, is joined according to motor characteristic
Number generates motor model, generates electric machine controller model according to electric machine controller characteristic parameter.Module is adjusted
With the interface language that instruction is exploitation in Simulink, such as the M language in MATLAB, above-mentioned pin
Presents can write script file with M language, and the order performed in the script file i.e. can be real
The operation of existing calling module and generation model.
Further, above-mentioned steps S3 may include steps of：
S31, the function call instruction performed in the default script file calls Simulink instruments
The API of Simulink modules (compile by Application Programming Interface, application program
Journey interface) function, such as add_block, add_line, set_param function.
S32, utilizes called api function to be attached each simulation model, forms test environment.
For the test environment of entire car controller, i.e., to battery bag model, battery management system model,
Motor model, electric machine controller model are attached.Above-mentioned function call instruction can also be M language
The instruction write, the instruction can also be write in M script files, perform the order in the script
To realize that connection to each model etc. is set.
An alternative embodiment of the invention also provides a kind of test environment for testing entire car controller and gives birth to
Into device, the device can be arranged on the meter for being provided with Visual Simulation Tools (such as Simulink)
In calculation machine, the device as shown in Figure 3 includes：
Parameter acquiring unit 31, for obtaining hardware characteristics parameter.
Model generation unit 32, Visual Simulation Tools are called for performing in default script file
Model generation module instruction calls model generation module, using the model generation module according to institute
State hardware characteristics parameter and generate each simulation model；
Ambient As unit 33, visual simulating work is called for performing in the default script file
The instruction calls model that model in tool sets function sets function, and setting function using the model will
Described each simulation model is attached, and forms test environment.
Said apparatus call the functional module of Visual Simulation Tools using script file, according to getting
The characteristic parameter of controlled device set up plant model automatically, and called visually using script file
Change the power function of emulation tool, the model that will be set up automatically is attached to form test environment, profit
Test environment is set up with such scheme, the characteristic parameter of user input controlled device is only needed, is set up and is set
The operation for putting test environment is carried out automatically by calling the correlation module or function of visualization tool,
Thus the present invention can improve testing efficiency.
Preferably, the device can also include：
Type acquiring unit 34, the type information for obtaining measured target；
Pre-add carrier unit 35, connects for loading the environmental model for prestoring from Visual Simulation Tools
Mouthful；
Interface determining unit 36, for determining from the environmental model interface for prestoring and the type
The associated environmental model interface of information, the test environment passes through the environmental model interface and is tested
Target is connected.
Such scheme can be automatically generated according to the type image of the test-types of user input and measurand
Environmental model interface, the test environment set up can be led to by the interface for generating with tested controller
Letter, thus can further improve testing efficiency.
Preferably, above-mentioned Visual Simulation Tools can be Simulink instruments, model generation unit 32
Including：
Module call unit, for call Simulink instruments Simulink model libraries and
Functional module in SimPowerSystem module librarys；
Module execution unit, for utilizing called functional module to be given birth to according to the hardware characteristics parameter
Into each simulation model.
Further, ambient As unit 33 includes：
Function calling cell, the api function of the Simulink modules for calling Simulink instruments；
Function execution unit, for being carried out to described each simulation model using the api function for being called
Connection, forms test environment.
Preferably, the hardware characteristics parameter includes battery bag characteristic parameter, battery management system feature
Parameter, motor characteristic parameter, electric machine controller characteristic parameter, wherein, the motor characteristic parameter is extremely
Include peak power, maximum speed, maximum drive torque and maximum generation torque, the battery bag less
Characteristic parameter at least includes preliminary filling contactor parameter, main positive contact device parameter, main cathode contact device ginseng
Number, battery temperature value and insulating monitoring resistance value；The simulation model includes battery bag model, battery
Management system model, motor model, electric machine controller model.
Obviously, above-described embodiment is only intended to clearly illustrate example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no need and unable to give all of implementation method
With exhaustion.And the obvious change thus extended out or change guarantor still in the invention
Among shield scope.
Claims (10)
1. a kind of test environment generation method, it is characterised in that comprise the following steps：
Obtain hardware characteristics parameter；
Perform the instruction for calling the model generation module in Visual Simulation Tools in default script file
Calling model generation module, it is each according to hardware characteristics parameter generation using the model generation module
Individual simulation model；
The model called in Visual Simulation Tools performed in the default script file sets function
Instruction calls model sets function, and setting function using the model carries out described each simulation model
Connection, forms test environment.
2. method according to claim 1, it is characterised in that also include：
Obtain the type information of measured target；
The environmental model interface for prestoring is loaded from Visual Simulation Tools；
The environmental model being associated with the type information is determined from the environmental model interface for prestoring
Interface, the test environment is connected by the environmental model interface with measured target.
3. method according to claim 1 and 2, it is characterised in that script is preset in the execution
The instruction calls model for calling the model generation module in Visual Simulation Tools generation mould in file
Block, each simulation model is generated using the model generation module according to the hardware characteristics parameter, bag
Include：
The module call instruction performed in the default script file calls Simulink instruments
Functional module in Simulink model libraries and SimPowerSystem module librarys；
Called functional module is utilized to generate each simulation model according to the hardware characteristics parameter.
4. method according to claim 1 and 2, it is characterised in that the execution is described default
The instruction calls model that the model called in Visual Simulation Tools in script file sets function is set
Function, sets function and is attached described each simulation model using the model, forms test wrapper
Border, including：
The function call instruction performed in the default script file calls Simulink instruments
The api function of Simulink modules；
Utilize called api function to be attached described each simulation model, form test environment.
5. method according to claim 1 and 2, it is characterised in that the hardware characteristics parameter
Including battery bag characteristic parameter, battery management system characteristic parameter, motor characteristic parameter, motor control
Device characteristic parameter, wherein, the motor characteristic parameter at least includes peak power, maximum speed, most
Large driving force square and maximum generation torque, the battery bag characteristic parameter are at least joined including preliminary filling contactor
Several, main positive contact device parameter, main cathode contact device parameter, battery temperature value and insulating monitoring resistance
Value；The simulation model includes battery bag model, battery management system model, motor model, motor
Controller model.
6. a kind of test environment generating means, it is characterised in that including：
Parameter acquiring unit, for obtaining hardware characteristics parameter；
Model generation unit, Visual Simulation Tools are called for performing in default script file
The instruction calls model generation module of model generation module, using the model generation module according to
Hardware characteristics parameter generates each simulation model；
Ambient As unit, Visual Simulation Tools are called for performing in the default script file
In model the instruction calls model of function is set function is set, function is set by institute using the model
State each simulation model to be attached, form test environment.
7. device according to claim 6, it is characterised in that also include：
Type acquiring unit, the type information for obtaining measured target；
Pre-add carrier unit, for loading the environmental model interface for prestoring from Visual Simulation Tools；
Interface determining unit, for determining to believe with the type from the environmental model interface for prestoring
The environmental model interface of manner of breathing association, the test environment passes through the environmental model interface and tested mesh
Mark connection.
8. the device according to claim 6 or 7, it is characterised in that the model generation unit
Including：
Module call unit, calls for performing the module call instruction in the default script file
Function mould in the Simulink model libraries of Simulink instruments and SimPowerSystem module librarys
Block；
Module execution unit, for utilizing called functional module to be given birth to according to the hardware characteristics parameter
Into each simulation model.
9. the device according to claim 6 or 7, it is characterised in that the ambient As unit
Including：
Function calling cell, the function call instruction performed in the default script file is called
The api function of the Simulink modules of Simulink instruments；
Function execution unit, for being carried out to described each simulation model using the api function for being called
Connection, forms test environment.
10. the device according to claim 6 or 7, it is characterised in that the hardware characteristics parameter
Including battery bag characteristic parameter, battery management system characteristic parameter, motor characteristic parameter, motor control
Device characteristic parameter, wherein, the motor characteristic parameter at least includes peak power, maximum speed, most
Large driving force square and maximum generation torque, the battery bag characteristic parameter are at least joined including preliminary filling contactor
Several, main positive contact device parameter, main cathode contact device parameter, battery temperature value and insulating monitoring resistance
Value；The simulation model includes battery bag model, battery management system model, motor model, motor
Controller model.
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| CN108062223A (en) * | 2017-11-29 | 2018-05-22 | 北京新能源汽车股份有限公司 | A kind of method and device to establish a connection between Simulink models |
| CN108304670A (en) * | 2018-02-12 | 2018-07-20 | 北京汽车研究总院有限公司 | A kind of parts Parameters design and system |
| CN108491638A (en) * | 2018-03-26 | 2018-09-04 | 福州大学 | Contactor real running environment semi-physical object simulating system based on data model component library |
| CN108491638B (en) * | 2018-03-26 | 2022-04-12 | 福州大学 | Contactor real operation environment semi-physical simulation system based on data model element library |
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