CN104296998B - Automobile road test aiding device - Google Patents
Automobile road test aiding device Download PDFInfo
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- CN104296998B CN104296998B CN201310296050.4A CN201310296050A CN104296998B CN 104296998 B CN104296998 B CN 104296998B CN 201310296050 A CN201310296050 A CN 201310296050A CN 104296998 B CN104296998 B CN 104296998B
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Abstract
The invention relates to an automobile road test aiding device. The automobile road test aiding device includes a memory in which road test specification files are stored, a CAN network controller which is used for obtaining driving parameters through a CAN bus, a GPS controller which is used for obtaining the position information of automobiles real time, and a data processor which determines road test results according to the position information and/or the driving parameters of the automobiles. The invention also provides an automobile road test aiding method. The automobile road test aiding method includes the following steps that: 1) driving parameters involving road test specifications can be obtained through a CAN bus; 2) the position information of automobiles is obtained real time during a road test; and 3) road test results are determined according to the position information and/or the driving parameters of the automobiles. The automobile road test aiding device and method of the invention can automatically aid and guide drivers to complete automobile road tests.
Description
Technical field
The present invention relates to motor road test servicing unit, more particularly, to for automobile during automobile execution the examination of road specification
The examination of road servicing unit.
Background technology
In the link of automobile research, endurancing is last pass for ensureing research and development quality.Due to durable the examination of road
Particularity, causes the monitoring to test specification and management to have larger difficulty, or even the difficulty action accomplishment for being difficult to ensure that test specification
And quantity.
At present, after endurancing is mainly tested the management of test specification and monitoring by test run person in performance specification
It is recorded in testing in daily record.This is a kind of regulatory measure of open loop, and real-time is poor, it is impossible to guarantee test specification by
Matter is timely completed according to quantity.At this stage during regulation enforcement, test engineer mainly pass through intercom with exchanging for test run person.
The traffic safety of test run person can to a certain extent be affected using which, especially in the dangerous higher specification such as high speed loop
In test.Prior art does not also have a device or system to complete test run experiment from dynamic auxiliary and guiding test run person.
The content of the invention
For at present to the problems of management and monitoring of test specification and not enough, the present invention provides a kind of motor road
Examination servicing unit, including:Including:Memory, the examination of road that is stored with memory authority file;CAN network controller, it is described
CAN network controller is used to obtain vehicle parameter from automobile CAN-bus;GPS controllers, the GPS controllers are used to obtain in real time
Take the positional information of automobile;Data processor, positional information and/or the vehicle parameter of the data processor based on automobile
Determine the examination of road result.
The present invention also proposes a kind of motor road test householder method, including:1)The examination of road specification institute is obtained by automobile CAN-bus
The vehicle parameter being related to;2)During the examination of road, the positional information of automobile is obtained in real time;3)Positional information based on automobile and/
Or the vehicle parameter determines the examination of road result.
Apparatus and method of the present invention can complete test run experiment from dynamic auxiliary and guiding test run person, provide the examination of road result.
Further, the present invention can also display automobile parameter and the examination of road result in real time.Further, the present invention can also be entered by sound
Row prompting sends alarm.
Description of the drawings
Fig. 1 is the flow chart of the motor road test householder method of the present invention;
Fig. 2 is the Organization Chart of the motor road test servicing unit of the present invention;
Fig. 3 is the structure chart of one embodiment of the device shown in Fig. 2.
Specific embodiment
It is known that automobile is when actual road test is done, need to perform according to certain standard, the examination of road specification just refers to these marks
It is accurate.For example, the examination of road specification can be simcity road:At simcity crossing, speed is zero, in accelerate to 40 kilometers/hour,
, zero is decelerated to again, rotation direction is to terminal by the uniform velocity 20 kilometers.Multiple the examination of road specifications combine and may make up a testing process.
The purpose of the examination of road is to allow driver that a series of actions is carried out to automobile, automobilism result is recorded, to judge vapour
Whether car performance meets requirement of dispatching from the factory.Therefore, during the examination of road, it is extremely important for how judging whether driver actions complete
's.The action of this driver, all can be embodied in the change of the vehicle parameter of automobile.Therefore, joined by gathering the driving of automobile
Number, then by some Rule of judgment, you can obtain the test result of the examination of road specification.
By taking the code requirement on above-mentioned simcity road as an example.Specification can be disassembled as one by one to automotive performance parameter
Test:
1)At simcity crossing
Gps signal can be gathered, judges that automobile then judges the examination of road result to complete positioned at the detection crossing by gps signal
Code requirement, i.e. driver complete the action request in the examination of road specification.
2)Speed is zero
CAN GES and gps signal can be gathered, GES is zero, or gps signal shows truck position
It is constant, then the examination of road result is judged for performance specification requirement.
3)In accelerate to 40 kilometers/hour
CAN acceleration range, GES can be gathered, speed then judges in the range of 39-41 kilometer/hour
The examination of road result is performance specification requirement.
4)At the uniform velocity 20 kilometers
CAN GES, mileage can be gathered, when speed travels 20 kilometers in the top/bottom latitude of present speed 5%,
The examination of road result is then judged for performance specification requirement.
5)10 kilometers/hour are decelerated to again
CAN reduction range, GES can be gathered, in the range of reduction range presets one, and speed
It is zero, then judges the examination of road result for performance specification requirement.
6)Rotation direction is to terminal
CAN angular signal, GES, gps signal can be gathered, when angular signal in a range, speed is
Zero, gps signal shows automobile in terminal, then judge the examination of road result for performance specification requirement.
It can be seen that, by gathering these parameters and compared with threshold value, you can judge whether the examination of road passes through.In the present invention,
Propose four kinds of vehicle parameters:CAN signal, gps signal, time, mileage.
1) CAN signal
During the examination of road, CAN signal is obtained by CAN, what bus signals were represented is the driving ginseng of automobile
Whether number, judge the CAN signal in the range of specified interval.For example, be related to turn to examination in specification, then it is total by CAN
Line gathers automobile steering angle signal, judges whether in the range of specified interval, thus can determine whether whether driver actions complete, i.e.,
Whether the examination of road completes.
2) gps signal
Car location message is obtained, the position is compared with the specification of storage, judge whether automobile falls in test rule
In the peripheral extent of model predetermined region.For example, code requirement running car then judges automobile on certain road by gps signal
Whether on the road.
3) time
Automobile completes time that certain driver actions used whether in the range of specified interval.This is directed not only to
To automobile parameter is obtained, timing is also needed.Specifically, automobile parameter is obtained by CAN, driver is judged by automobile parameter
The time of a specification is completed whether in the range of specified interval.
For example, code requirement keeps more than 2000 turns of engine speed 10 seconds.It is fixed by CAN in 10 seconds
When inquire about(For example, it is spaced 1 second), engine rotational speed signal is obtained, while making comparisons with setting 2000.If in 10 seconds
There is rotating speed i.e. unqualified less than 2000, if i.e. qualified more than 10 seconds more than 2000.
Wherein, timing by obtaining current time from CAN, and can record current time, then judge not
Come the time period, such as 10 seconds, interior automobile parameter whether specification.
4) mileage
Automobile completes mileage that certain driver actions exercised whether in the range of specified interval.
Mileage number is obtained by CAN, the mileage number is compared with the interval that specification specifies, if in specified interval
It is interior, then it is qualified, it is otherwise unqualified.
Further, can judge whether action completes by following Rule of judgment.
1) whether whether the bus signals for meeting code requirement occurred, i.e. judge the CAN signal for gathering a certain
In preset range;
2) there is and maintains a period of time in the bus collection signal for meeting code requirement, i.e. judge the CAN letter of collection
Number whether within a predetermined range and maintain the scheduled time;
3) whether automobile passes through certain point, i.e. judge gps signal whether this is indicate that automobile passes through a certain place;
4) time that automobile is spent in a certain driver behavior is completed whether meet the requirements, i.e. whether in preset range
It is interior;
5) whether whether the mileage that automobile is travelled in a certain driver behavior is completed meets the requirements, i.e. in preset range
It is interior.
In addition, also needing to be combined to be judged sometimes.Therefore, data processor is according to the more of above-mentioned Rule of judgment
The logical combination of bar, judges whether action completes.Certainly, the example that those skilled in the art can list according to the present invention, ginseng
Other input quantities and Rule of judgment are designed according to the demand of the examination of road specification, these modifications are also covered by the spirit of the present invention.
Fig. 1 shows the motor road test householder method of the present invention, including:
1)The vehicle parameter involved by the examination of road specification is obtained by automobile CAN-bus;
2)During the examination of road, the positional information of automobile is obtained in real time;
3)Positional information and/or the vehicle parameter based on automobile determines the examination of road result.
In step 1)In, the examination of road authority file can be received from remote back-office server by GPRS or GSM network.
And can pass through display interfaces(Such as touch-screen display)Carry out the configuration of the examination of road authority file, including input driver
Information, combined test flow process etc..
Correspondingly, in step 2)In, i.e., during the examination of road, vehicle parameter and automobile can be shown on display interfaces
Positional information;
In step 3)In, after obtaining the examination of road result, the examination of road result can be fed back to described remote by GPRS or GSM network
Journey background server.Meanwhile, the examination of road result can be shown on display interfaces.
Alternatively, in step 2)In, i.e., during the examination of road, speaker announcement vehicle parameter, the position of automobile can be passed through
Confidence ceases.In step 3)In, after the examination of road result is obtained, speaker announcement the examination of road result can be passed through.
In step 3)In, it is determined that during the examination of road result, when one or more of following condition meet, determine the examination of road result
For performance specification requirement:
Condition 1):CAN signal is within a predetermined range;
Condition 2):CAN signal within a predetermined range and maintains the scheduled time;
Condition 3):Gps signal shows that automobile passes through desired place;
Condition 4):The time that automobile is spent in a certain driver behavior is completed is within a predetermined range;
Condition 5):The mileage that automobile is travelled in a certain driver behavior is completed is within a predetermined range.
Wherein described condition 2) it is specially:The scheduled time is lasted, timing acquiring CAN signal simultaneously judges the CAN
Within a predetermined range whether bus signals.
Finally, as needed, deadline stamp can be added in the examination of road result.
Network environment when Fig. 2 shows that the motor road test servicing unit of the present invention is used.The motor road test of the present invention is auxiliary
Device is helped to can be implemented as a vehicle module.Servicing unit is arranged on tested automobile, and by CAN the row of automobile is obtained
Car parameter.Servicing unit has telecommunication capabilities, on the one hand, can receive the satellite navigation signals of gps satellite, for positioning
The traveling-position of tested automobile.On the other hand, radio communication can be carried out by GPRS/GSM and remote back-office server, it is middle
May be through equipment such as fire wall, routers.So-called remote back-office server can be terminating machine, work station, mobile terminal etc..
Servicing unit advantageously can also have display, to show the examination of road during test parameter, automotive performance parameter, test knot
Really.Servicing unit can also have loudspeaker, and driver is reported or reminded by sound.
Fig. 3 shows the structure chart of the motor road test servicing unit of the present invention.Described device includes memory, the examination of road specification
The motor road test servicing unit is sent to by background server with file mode, and is stored in memory.Memory can be with
It is the devices such as SD card.
The motor road test servicing unit also includes data processor, and data processor is the core devices of this device, by
Chip is realized.Data processor carries out the state signal collecting of automobile and calculating during the examination of road.
The motor road test servicing unit includes three communication devices to enter row data communication with the external world.These three devices point
Wei not GPS controllers, CAN network controller, GPRS/GSM remote communication modules.
GPS controllers have the function of receiving and send gps satellite signal.The examination of road authority file composition one is selected in driver
Individual testing process, and when starting to start the testing process, the position for demarcating automobile is needed, controlled by GPS by data processor
Device processed obtains the position that automobile is located.In addition, the signal that test terminates also completes to demarcate using GPS location signal.In test
During, it is also desirable to real-time calibration automobile position.
CAN network controller has the function of communicating with the car running computer of automobile by CAN.CAN network controller
The status information of automobile during the examination of road, including mileage signal, bus signals, time signal are obtained in that by CAN
GPRS/GSM remote communication modules can be communicated with background server.The examination of road specification is received from background server
File, while the examination of road result is uploaded to into background server.
Signal is gathered for CAN, during the examination of road, automobile parameter is obtained by CAN by CAN network controller,
Judge the automobile parameter whether in the range of specified interval by data processor.
For gps signal, car location message is obtained by GPS controllers, data processor is by the rule of the position and storage
Model is compared, and judges whether automobile falls in the peripheral extent of test specification predetermined region.
For the time, CAN network controller obtains automobile parameter by CAN, and data processor passes through automobile parameter
Judge that driver completes the time of a specification whether in the range of specified interval.
For mileage, CAN network controller obtains mileage number by CAN, and data processor is by the mileage number and advises
The interval that model specifies compares, if in specified interval, it is qualified, it is otherwise unqualified.
The motor road test servicing unit also includes display, for carrying out test configurations and showing test result.For example,
Driver can by the display of touch-screen type to select memory in store the examination of road authority file, after confirmation, at data
Reason device will guide driver to carry out the examination of road.Multiple the examination of road authority files can also be selected, a testing process is constituted, then at data
Reason device will guide driver to carry out the examination of road successively according to the examination of road authority file.Test result during the examination of road can be by showing
Device shows.
Test result is except mode as indicated above, it is also possible to inform driver by loudspeaker, therefore, the motor road test
Servicing unit can also include loudspeaker.The display and the loudspeaker constitute a system of sound image.
Advantageously, be also stored with driver information in the memory, and driver can select to log in drive by display screen
The person's of sailing information.Driver information includes job number, name etc..
The motor road test servicing unit adopts self-powered power supply, can by hand be turned on or off module by driver.
When motor road test servicing unit electric power starting, the mode of operation of servicing unit all the time in working order, is not powered by automobile
Whether impact.After motor road test servicing unit power-off, servicing unit is by former work-based logic work.In motor road test auxiliary
In the device course of work, servicing unit still being capable of the work such as data acquisition, upload.
Advantageously, after a specification flow process is completed, data processor Display specification performance over the display, note
Record situation, can also upload completion report by GPRS/GSM remote communication modules to server, and report can include content:
1)Specification is integrally reported:Including canonical name, driver's job number, the time that whole specification is spent is completed, travelled
Mileage, specification completion rate.
2)Each driver actions' performance in specification:Data processor uploads a list, and table includes a rule
Fan Zhong, all driver actions' performances.If the driver actions successfully complete, upload completes result and deadline
Stamp.If the driver actions do not complete, upload the reason for driver does not complete and timestamp.
Claims (13)
1. a kind of motor road test servicing unit, it is characterised in that include:
Memory, the examination of road that is stored with memory authority file;
CAN network controller, the CAN network controller is used to obtain vehicle parameter by automobile CAN-bus;
GPS controllers, the GPS controllers are used to obtain the positional information of automobile in real time;
Data processor, positional information and/or the vehicle parameter of the data processor based on automobile determines the examination of road result;
The vehicle parameter includes:CAN signal, time and mileage;
When one or more of following condition meet, the data processor determines the examination of road result for performance specification requirement:
Condition 1):CAN signal is within a predetermined range;
Condition 2):CAN signal within a predetermined range and maintains the scheduled time;
Condition 3):Gps signal shows that automobile passes through desired place;
Condition 4):The time that automobile is spent in a certain driver behavior is completed is within a predetermined range;
Condition 5):The mileage that automobile is travelled in a certain driver behavior is completed is within a predetermined range.
2. motor road test servicing unit according to claim 1, it is characterised in that also include:
Remote communication module, the remote communication module receives the road by GPRS or GSM network from remote back-office server
Try authority file and the examination of road result is fed back to into the remote back-office server.
3. motor road test servicing unit according to claim 1, it is characterised in that also include:
Display, the display has for carrying out the interface of the configuration of the examination of road authority file, and can show vehicle parameter
With the examination of road result;
Loudspeaker, the loudspeaker is used to broadcast vehicle parameter and the examination of road result.
4. motor road test servicing unit according to claim 1, it is characterised in that the CAN signal includes speed
Signal, steering angle signal, engine rotational speed signal.
5. motor road test servicing unit according to claim 1, it is characterised in that the condition 2) be:Last described pre-
Fix time, whether within a predetermined range timing acquiring CAN signal simultaneously judges the CAN signal.
6. motor road test servicing unit according to claim 1, it is characterised in that the examination of road result includes timestamp.
7. a kind of motor road test householder method, it is characterised in that comprise the steps:
1) vehicle parameter involved by the examination of road authority file is obtained by automobile CAN-bus;
2) during the examination of road, the positional information of automobile is obtained in real time;
3) positional information and/or the vehicle parameter based on automobile determines the examination of road result;
The vehicle parameter includes:CAN signal, time and mileage;
In step 3) in, when one or more of following condition meet, the examination of road result is determined for performance specification requirement:
Condition 1):CAN signal is within a predetermined range;
Condition 2):CAN signal within a predetermined range and maintains the scheduled time;
Condition 3):Gps signal shows that automobile passes through desired place;
Condition 4):The time that automobile is spent in a certain driver behavior is completed is within a predetermined range;
Condition 5):The mileage that automobile is travelled in a certain driver behavior is completed is within a predetermined range.
8. motor road test householder method according to claim 7, it is characterised in that
Step 1) also include:The examination of road authority file is received from remote back-office server by GPRS or GSM network;
Step 3) also include:The examination of road result is fed back to into the remote back-office server by GPRS or GSM network.
9. motor road test householder method according to claim 8, it is characterised in that
Step 1) also include:The configuration of the examination of road authority file is carried out by display interfaces,
Step 2) also include:The positional information of vehicle parameter and automobile is shown on display interfaces;
Step 3) also include:The examination of road result is shown on display interfaces.
10. motor road test householder method according to claim 9, it is characterised in that
Step 2) also include:By speaker announcement vehicle parameter, the positional information of automobile;
Step 3) also include:By speaker announcement the examination of road result.
11. motor road test householder methods according to claim 7, it is characterised in that the CAN signal includes speed
Signal, steering angle signal, engine rotational speed signal.
12. motor road test householder methods according to claim 7, it is characterised in that the condition 2) be:Last described pre-
Fix time, whether within a predetermined range timing acquiring CAN signal simultaneously judges the CAN signal.
13. motor road test householder methods according to claim 7, it is characterised in that when adding in the examination of road result
Between stab.
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Families Citing this family (3)
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CN107144433B (en) * | 2016-03-01 | 2019-11-22 | 上汽通用汽车有限公司 | Automobile test method and system |
CN109062190B (en) * | 2018-09-04 | 2020-11-10 | 北京汽车研究总院有限公司 | Real vehicle testing system of hybrid vehicle controller and application method thereof |
AT524418B1 (en) * | 2020-12-23 | 2022-06-15 | Avl List Gmbh | Method for carrying out a test drive with at least one test vehicle |
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