CN104020763B - The automatic test approach of input/output interface and system - Google Patents
The automatic test approach of input/output interface and system Download PDFInfo
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Abstract
The invention provides automatic test approach and the system of a kind of input/output interface, the present invention includes two processing units, test data are sent by one of them processing unit, interface data is obtained by another processing unit, and interface data and test data are carried out contrast acquisition test result, the process of test data is sent in test process, the process of contrast test result is automated execution, participate in without artificial, and support that multiple test data are tested simultaneously when automatically testing, therefore, it is possible to the problem that when solving to manually perform, inefficiency is easily made mistakes.Input/output interface can be tested by the present invention automatically, and accuracy is high, work efficiency is high and uses manpower and material resources sparingly.
Description
Technical field
The present invention relates to automatic field, particularly relate to a kind of input/output interface automatic test approach and
System.
Background technology
Control in software development process in automatic gear-box application layer, utilize the hardware in loop system can be short
Test and the adjustment of software is completed in time.Wherein, input/output interface test (i.e. I/O test) is should
The important component part of software test is controlled with layer, the correct communication of I/O interface, just it is being to ensure that control software
The basis often run.
In prior art when carrying out I/O test process, need to be manually entered sensor signal and Non-follow control
Control electromagnetic valve current value, and artificial contrast's test result after a test, because relating to manual operation, hold
Easily cause test error.In addition I/O test needs the signal tested more, to enter one by one when testing
Row input, test, comparing result, required time is longer, inefficiency, causes the waste of resource.
It follows that prior art is when carrying out I/O test process, error rate is high, inefficiency and easily
Cause the wasting of resources.
Summary of the invention
The invention provides automatic test approach and the system of a kind of input/output interface, the present invention can be certainly
Moving and test input/output interface, accuracy is high, work efficiency is high and uses manpower and material resources sparingly.
To achieve these goals, the invention provides techniques below means:
A kind of input interface automatic test approach, is applied to automatically enter test system, and described system includes:
Automatic gear-box control unit TCU, input emulator, processor, described processor includes the first process
Unit and the second processing unit, wherein said input emulator includes: output unit and sensor model,
Described TCU one end is connected with described first processing unit, and the other end is connected with described output unit, described
Sensor model one end is connected with described output unit, and the other end is connected with described second processing unit, bag
Include:
Described second processing unit determines model variable to be measured and sends to described sensor model；
By described sensor model, described model variable to be measured is converted to physical vlan signal, and sends extremely
Output unit；
Described physical vlan signal is converted to sensor actual signal and sends extremely by described output unit
TCU；
Described first processing unit gathers described sensor actual signal from TCU, and at described second
Reason unit obtains described model variable to be measured；
Described sensor actual signal is contrasted with described model variable to be measured；
Input interface test result is determined according to comparing result.
Preferably, determine that input interface test result includes according to comparing result:
If described sensor actual signal is consistent with described model variable to be measured, then it represents that input interface is normal；
If described sensor actual signal is consistent inconsistent with described model variable to be measured, then it represents that input connects
Mouth is abnormal.
Preferably, also include when input interface is abnormal:
Application layer in described TCU is controlled software modify.
Preferably, described first processing unit runs CANape script file.
Preferably, described second processing unit runs ControlDesk software.
A kind of output interface automatic test approach, is applied to automatically export test system, and described system includes:
Automatic gear-box control unit TCU, electromagnetic valve, Output simulation device, the first processing unit and second process
Unit, wherein said Output simulation device includes: input block and electromagnetic valve model, described TCU one end with
Described first processing unit is connected, and the other end is connected with described electromagnetic valve, described input block one end and institute
Stating electromagnetic valve to be connected, the other end is connected with described electromagnetic valve model, the institute being connected with described electromagnetic valve model
State the second processing unit, including:
Described first processing unit determines control current value to be measured；
Described control current value to be measured is sent to described electromagnetic valve by described TCU；
Described electromagnetic valve receives described control current value to be measured and to input block feedback control electric current；
Described control electric current is converted to virtual current by described input block；
Described virtual current is converted to real current value by described electromagnetic valve model；
Described second processing unit is gathered described real current value by electromagnetic valve model, and at described first
Reason unit obtains described control current value to be measured；
Described real current value is contrasted with described control current value to be measured；
Output interface test result is determined according to comparing result.
Preferably, including:
If described real current value is consistent with described control current value to be measured, then it represents that output interface is normal；
If described real current value is inconsistent with described control current value to be measured, then it represents that output interface is the most just
Often.
Preferably, also include when output interface is abnormal:
Application layer in described TCU is controlled software modify.
A kind of Auto-Test System, including: automatic gear-box control unit TCU, electromagnetic valve, emulator,
Processor, described processor includes the first processing unit and the second processing unit, wherein said emulator bag
Including input emulator and Output simulation device, input emulator includes output unit and sensor model, output
Emulator includes input block and electromagnetic valve model；
Described TCU one end is connected with the first processing unit, the other end respectively with electromagnetic valve and output unit phase
Even, send to electromagnetic valve for described first processing unit is sent control current value to be measured, be additionally operable to connect
Receive the sensor actual signal that output unit sends；
Described input block one end is connected with electromagnetic valve, and the other end is connected with described electromagnetic valve model, is used for
Receive the control electric current of described electromagnetic valve feedback, and described control electric current is converted to virtual current transmission extremely
Electromagnetic valve model；
Described electromagnetic valve model is connected with described second processing unit, for the described virtual current that will receive
Be converted to real current value；
Described sensor model one end is connected with described second processing unit, the other end and described output unit
It is connected, for receiving the model variable to be measured that the second processing unit sends, and by described model variable to be measured
Send to output unit after being converted to physical vlan signal；
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception；
Described first processing unit is connected with described second processing unit, for gathering described biography from TCU
Sensor actual signal, obtains described model variable to be measured from described second processing unit, and by described sensing
Device actual signal contrasts with described model variable to be measured, determines that input interface is tested according to comparing result
Result；
Described second processing unit is used for gathering described real current value, obtains from described first processing unit
Take described control current value to be measured, described real current value contrasted with described control current value to be measured,
Output interface test result is determined according to comparing result.
Preferably, the software program that described first processing unit runs includes multiple control current value to be measured,
The software that described second processing unit runs includes multiple model variable to be measured.
The present invention provides input interface and the automatic test approach of output interface and system, in the present invention
Two processing units, the first processing unit and the second processing unit, Qi Zhong is had in Auto-Test System
One processing unit can send control current value to be measured automatically, and the second processing unit can be defeated by output interface
The real current value gone out contrasts automatically with control current value to be measured, thereby determines that the test of output interface
As a result, the second processing unit can send model variable to be measured automatically, and the first processing unit is true by sensor
Real signal and model variable to be measured carry out contrast and determine input interface test result.
The present invention is sent test data by one of them processing unit, another processing unit obtain number of ports
According to, and interface data and test data are carried out contrast acquisition test result, send in test process and survey
The process of examination data, the process of contrast test result is automated execution, it is not necessary to manually participate in, and from
Support that multiple test data are tested simultaneously during dynamic test, therefore, it is possible to inefficiency is held when solving to manually perform
Error-prone problem.Input/output interface can be tested by the present invention automatically, and accuracy is high, work
Efficiency is high and uses manpower and material resources sparingly.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is to automatically enter test system structure schematic diagram disclosed in the embodiment of the present invention；
Fig. 2 is the flow chart of input interface automatic test approach disclosed in the embodiment of the present invention；
Fig. 3 is automatically to export test system structure schematic diagram disclosed in the embodiment of the present invention；
Fig. 4 is the flow chart of output interface automatic test approach disclosed in the embodiment of the present invention；
Fig. 5 is the flow chart of automatic test approach disclosed in the embodiment of the present invention；
Fig. 6 is the structural representation of Auto-Test System disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
As it is shown in figure 1, the invention provides one to automatically enter test system, including:
Automatic gear-box control unit TCU100, input emulator 200, processor 300, described process
Device includes the first processing unit 301 and the second processing unit 302, and wherein said input emulator 200 includes:
Output unit 201 and sensor model 202, described TCU100 one end and described first processing unit 301
Being connected, the other end is connected with described output unit 201, and described sensor model 202 one end is defeated with described
Going out unit 201 to be connected, the other end is connected with described second processing unit 302.
Above-mentioned automatically enter test system on the basis of, the invention provides a kind of input interface and automatically survey
Method for testing, including:
The input interface that application layer in TCU controls software is tested, i.e. checking application layer controls software
Input interface whether normal, this method of testing, based on hardware in loop system, input one model to be measured change
Amount, then the sensor actual signal exported through TCU is contrasted, if consistent, represent application layer control
The input interface of software processed is normal, if inconsistent, represents that the input interface of application layer control software is abnormal,
Concrete comprises the following steps:
Step S101: described second processing unit determines model variable to be measured and sends to described sensor die
Type；
Second processing unit includes multiple model variable to be measured, and the second processing unit can automatically select and treat
Survey model variable successively each model variable to be measured to be tested.Model variable to be measured is sent to sensing
Device model.
Step S102: described model variable to be measured is converted to physical vlan signal by described sensor model,
And send to output unit；Sensor model carries out digital simulation according to model variable to be measured, by mould to be measured
Type variable is converted to virtual physical signalling.
Step S103: described physical vlan signal is converted to sensor actual signal also by described output unit
Send to TCU；It is thus desirable to virtual physical signalling to be converted to sensor actual signal, and send extremely
TCU。
Step S104: described first processing unit gathers described sensor actual signal from TCU, and from
Described second processing unit obtains described model variable to be measured；
In order to verify that application layer controls the input interface of software the most normally, so needing to verify in TCU
Sensor actual signal is the most exact, the sensor actual signal in the first reason unit collection TCU, and from
Second processing unit obtains model variable to be measured.
Step S105: described sensor actual signal is contrasted with described model variable to be measured；
Step S106: determine input interface test result according to comparing result.
Preferably, if described sensor actual signal is consistent with described model variable to be measured, then it represents that input
Interface is normal；If described sensor actual signal is consistent inconsistent with described model variable to be measured, then it represents that
Input interface is abnormal.Also include when input interface is abnormal: the application layer in described TCU is controlled
Software is modified.
As it is shown on figure 3, present invention also offers a kind of output test system automatically, described system includes:
Automatic gear-box control unit TCU100, electromagnetic valve 400, Output simulation device 500, processor 300,
Described processor 300 includes the first processing unit 301 and the second processing unit 302, and wherein said output is imitated
True device 500 includes: input block 501 and electromagnetic valve model 502, described TCU100 one end and described the
One processing unit 301 is connected, and the other end is connected with described electromagnetic valve 400, described input block 501 1
End is connected with described electromagnetic valve 400, and the other end is connected with described electromagnetic valve model 502, with described electromagnetism
Described second processing unit 302 that valve model 502 is connected.
As shown in Figure 4, present invention also offers a kind of output interface based on above-mentioned automatic output test system
Automatic test approach, the output interface that application layer controls software is tested, and i.e. verifies that application layer controls
The output interface of software is the most normal, and this method of testing, based on hardware in loop system, inputs one and treats observing and controlling
Current value processed, then the real current value exported through TCU is contrasted, if consistent, represent application layer
The output interface controlling software is normal, if inconsistent, represents that application layer is the most just controlling the output interface of software
Often, concrete comprise the following steps:
Step S201: described first processing unit determines control current value to be measured；
First processing unit includes multiple control current value to be measured, and the first processing unit can automatically select
Each control current value to be measured is tested by control current value to be measured successively.
Step S202: described control current value to be measured is sent to described electromagnetic valve by described TCU；
Step S203: described electromagnetic valve receives described control current value to be measured and to input block feedback control
Electric current；
Step S204: described control electric current is converted to virtual current by described input block；
Step S205: described virtual current is converted to real current value by described electromagnetic valve model；
Step S206: described second processing unit by electromagnetic valve model gather described real current value, and from
Described first processing unit obtains described control current value to be measured；
Step S207: described real current value is contrasted with described control current value to be measured；
Step S208: determine output interface test result according to comparing result.
Preferably, if described real current value is consistent with described control current value to be measured, then it represents that output connects
Mouth is normal；If described real current value is inconsistent with described control current value to be measured, then it represents that output interface
Abnormal, also include when output interface is abnormal: the application layer in described TCU is controlled software and carries out
Amendment.
Preferably, described first processing unit in above-described embodiment runs CANape script file, institute
State the second processing unit and run ControlDesk software.
Being understood by above-described embodiment and have two processing units in the present invention in Auto-Test System, first processes
Unit and the second processing unit, wherein the first processing unit can send control current value to be measured automatically, the
It is the most right that the real current value that output interface can be exported by two processing units and control current value to be measured are carried out
Ratio, thereby determines that the test result of output interface, and the second processing unit can automatically send model to be measured and become
Amount, sensor actual signal and model variable to be measured are carried out contrast and determine output interface by the first processing unit
Test result.
The present invention is sent test data by one of them processing unit, another processing unit obtain number of ports
According to, and interface data and test data are carried out contrast acquisition test result, send in test process and survey
The process of examination data, the process of contrast test result is automated execution, it is not necessary to manually participate in, therefore
Can solve the problem that the problem that when manually performing, inefficiency is easily made mistakes.Therefore the present invention can be automatically to input
Output interface is tested, and accuracy is high, work efficiency is high and uses manpower and material resources sparingly.
The testing data relatively complicated for some needs for manual test, therefore present invention also offers
A kind of interface test method, this method can determine to use certainly according to the testing requirement of user and use habit
Dynamic model formula or manual mode.As it is shown in figure 5, include:
Current test pattern is determined in manual test pattern and automatic test pattern；
If manual test pattern, then it is manually entered test data, uses artificial contrast's test result；
If automatic test pattern, then automatically enter test data, automatic contrast test result；
Based on Matlab/Simulink and ControlDesk realize input (Input) interface automatically test merit
Can, the autorun of output (Output) interface is realized based on the script file in CANape.And
Under automatic test pattern, test while multiple test data can be realized.
Judge that test result is the most consistent, if consistent, test next time or terminate；
If inconsistent, the application layer in amendment TCU controls software, makes test result consistent.
Therefore the method have the advantages that
1. based on Matlab/Simulink and ControlDesk realize input (Input) interface automatically test merit
Can, the autorun of output (Output) interface is realized based on the script file in CANape.
2., under automatic test pattern, test while multi signal can be realized, improve work efficiency, keep away
Exempt from the waste of resource.
3., under automatic test pattern, by system automatic contrast test result, abandoned because artificial origin makes
The error become, improves the accuracy of test；
4. can be according to test request, it is achieved manual test pattern and the selection of automatic test pattern.
As shown in Figure 6, present invention also offers a kind of Auto-Test System, including: automatic gear-box control
Unit TCU100 processed, electromagnetic valve 400, emulator 600, processor 300, described processor includes
One processing unit 301 and the second processing unit 302, wherein said emulator 600 includes inputting emulator
200 and Output simulation device 500, input emulator 200 includes: output unit 201 and sensor model 202,
Output simulation device 500 includes: input block 501 and electromagnetic valve model 502；
Described TCU one end is connected with the first processing unit, the other end respectively with electromagnetic valve and output unit phase
Even, send to electromagnetic valve for described first processing unit is sent control current value to be measured, be additionally operable to connect
Receive the sensor actual signal that output unit sends；
Described input block one end is connected with electromagnetic valve, and the other end is connected with described electromagnetic valve model, is used for
Receive the control electric current of described electromagnetic valve feedback, and described control electric current is converted to virtual current transmission extremely
Electromagnetic valve model；
Described electromagnetic valve model is connected with described second processing unit, for the described virtual current that will receive
Be converted to real current value；
Described sensor model one end is connected with described second processing unit, the other end and described output unit
It is connected, for receiving the model variable to be measured that the second processing unit sends, and by described model variable to be measured
Send to output unit after being converted to physical vlan signal；
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception；
Described first processing unit is connected with described second processing unit, for gathering described biography from TCU
Sensor actual signal, obtains described model variable to be measured from described second processing unit, and by described sensing
Device actual signal contrasts with described model variable to be measured, determines that input interface is tested according to comparing result
Result；
Described second processing unit is used for gathering described real current value, obtains from described first processing unit
Take described control current value to be measured, described real current value contrasted with described control current value to be measured,
Output interface test result is determined according to comparing result.
Preferably, the software program that described first processing unit runs includes multiple control current value to be measured,
The software that described second processing unit runs includes multiple model variable to be measured.
Native system is capable of the automatic test of input/output interface, and the present invention can be automatically to input and output
Interface is tested, and accuracy is high, work efficiency is high and uses manpower and material resources sparingly.
If the function described in the present embodiment method realizes and as independent using the form of SFU software functional unit
When production marketing or use, a calculating device-readable can be stored in and take in storage medium.Based on so
Understanding, part or the part of this technical scheme that prior art is contributed by the embodiment of the present invention can
Embodying with the form with software product, this software product is stored in a storage medium, if including
Dry instruction with so that calculating equipment (can be personal computer, server, mobile computing device
Or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And it is front
The storage medium stated includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can
To store the medium of program code.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, same or similar part sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. an input interface automatic test approach, is applied to automatically enter test system, described system bag
Include automatic gear-box control unit TCU, it is characterised in that described system includes: input emulator, place
Reason device, described processor includes the first processing unit and the second processing unit, wherein said input emulator
Including: output unit and sensor model, described TCU one end is connected, separately with described first processing unit
One end is connected with described output unit, and described sensor model one end is connected with described output unit, another
End is connected with described second processing unit；Described input interface automatic test approach includes:
Described second processing unit determines model variable to be measured and sends to described sensor model；
By described sensor model, described model variable to be measured is converted to physical vlan signal, and sends extremely
Output unit；
Described physical vlan signal is converted to sensor actual signal and sends extremely by described output unit
TCU；
Described first processing unit gathers described sensor actual signal from TCU, and at described second
Reason unit obtains described model variable to be measured；
Described sensor actual signal is contrasted with described model variable to be measured；
Input interface test result is determined according to comparing result.
2. the method for claim 1, it is characterised in that determine input interface according to comparing result
Test result includes:
If described sensor actual signal is consistent with described model variable to be measured, then it represents that input interface is normal；
If described sensor actual signal is inconsistent with described model variable to be measured, then it represents that input interface is not
Normally.
3. method as claimed in claim 2, it is characterised in that also include when input interface is abnormal:
Application layer in described TCU is controlled software modify.
4. the method for claim 1, it is characterised in that described first processing unit runs CANape
Script file.
5. the method for claim 1, it is characterised in that described second processing unit runs
ControlDesk software.
6. an output interface automatic test approach, is applied to automatically export test system, described system bag
Include automatic gear-box control unit TCU, it is characterised in that described system includes: electromagnetic valve, output are imitated
True device, the first processing unit and the second processing unit, wherein said Output simulation device includes: input block
With electromagnetic valve model, described TCU one end is connected with described first processing unit, the other end and described electromagnetism
Valve is connected, and described input block one end is connected with described electromagnetic valve, the other end and described electromagnetic valve model phase
Even, described second processing unit being connected with described electromagnetic valve model；Output interface automatic test approach bag
Include:
Described first processing unit determines control current value to be measured；
Described control current value to be measured is sent to described electromagnetic valve by described TCU；
Described electromagnetic valve receives described control current value to be measured and to input block feedback control electric current；
Described control electric current is converted to virtual current by described input block；
Described virtual current is converted to real current value by described electromagnetic valve model；
Described second processing unit is gathered described real current value by electromagnetic valve model, and at described first
Reason unit obtains described control current value to be measured；
Described real current value is contrasted with described control current value to be measured；
Output interface test result is determined according to comparing result.
7. method as claimed in claim 6, it is characterised in that including:
If described real current value is consistent with described control current value to be measured, then it represents that output interface is normal；
If described real current value is inconsistent with described control current value to be measured, then it represents that output interface is the most just
Often.
8. method as claimed in claim 7, it is characterised in that also include when output interface is abnormal:
Application layer in described TCU is controlled software modify.
9. an Auto-Test System, including automatic gear-box control unit TCU, it is characterised in that also
Including: electromagnetic valve, emulator, processor, described processor includes that the first processing unit and second processes
Unit, wherein said emulator includes inputting emulator and Output simulation device, and input emulator includes output
Unit and sensor model, Output simulation device includes input block and electromagnetic valve model；
Described TCU one end is connected with the first processing unit, the other end respectively with electromagnetic valve and output unit phase
Even, for the control current value to be measured that described first processing unit sends is sent to electromagnetic valve, it is additionally operable to
Receive the sensor actual signal that output unit sends；
Described input block one end is connected with electromagnetic valve, and the other end is connected with described electromagnetic valve model, is used for
Receive the control electric current of described electromagnetic valve feedback, and described control electric current is converted to virtual current transmission extremely
Electromagnetic valve model；
Described electromagnetic valve model is connected with described second processing unit, for the described virtual current that will receive
Be converted to real current value；
Described sensor model one end is connected with described second processing unit, the other end and described output unit
It is connected, for receiving the model variable to be measured that the second processing unit sends, and by described model variable to be measured
Send to output unit after being converted to physical vlan signal；
Described output unit is for being converted to described sensor actual signal by the physical vlan signal of reception；
Described first processing unit is connected with described second processing unit, for gathering described biography from TCU
Sensor actual signal, obtains described model variable to be measured from described second processing unit, and by described sensing
Device actual signal contrasts with described model variable to be measured, determines that input interface is tested according to comparing result
Result；
Described second processing unit is used for gathering described real current value, obtains from described first processing unit
Take described control current value to be measured, described real current value contrasted with described control current value to be measured,
Output interface test result is determined according to comparing result.
10. system as claimed in claim 9, it is characterised in that described first processing unit runs
Software program includes that multiple control current value to be measured, the software that described second processing unit runs include
Multiple model variables to be measured.
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| CN101968630B (en) * | 2010-09-16 | 2012-07-25 | 联合汽车电子有限公司 | Simulation test bed for automatic gearbox controller |
| CN201829070U (en) * | 2010-10-20 | 2011-05-11 | 合肥工业大学 | Hardware-in-the-loop simulating experiment platform for automatic transmission |
| CN102841271B (en) * | 2012-05-10 | 2014-09-17 | 同济大学 | Electromagnetic compatibility testing platform for electric control unit of double-clutch automatic transmission |
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