CN106681307A - Fault control method of novel energy automobile and system thereof - Google Patents
Fault control method of novel energy automobile and system thereof Download PDFInfo
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- CN106681307A CN106681307A CN201710041908.0A CN201710041908A CN106681307A CN 106681307 A CN106681307 A CN 106681307A CN 201710041908 A CN201710041908 A CN 201710041908A CN 106681307 A CN106681307 A CN 106681307A
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- fault
- dtc
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0275—Fault isolation and identification, e.g. classify fault; estimate cause or root of failure
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a fault control method of new energy automobile and a system thereof. The fault control method comprises the following steps: S1, fault codes of the fault detector are obtained. If the fault codes are not obtained, the whole vehicle controller is controlled into running state, if the fault codes are obtained, step S2 is taken; S2, the fault level of the fault codes is estimated. If the fault level is above the set level, a serious fault is estimated and the whole vehicle controller is controlled into interdictory running state, if the fault level is below the set level, a general fault is estimated and corresponding voice alert is send out; the fault control system comprises a fault code acquisition module, a fault level estimation module, fault identification module. The fault control method of new energy automobile and the system has the advantages of being capable of obtaining fault codes and estimating the fault level of the fault codes; when the fault level is fairly high and seriously affects driving safety, the method and the system is capable of controlling the whole vehicle controller into interdictory running state, then the driver is avoided to start the car for driving, thereby protecting the driver from dangerous drive and ensuring driving safety.
Description
Technical field
The present invention relates to the Fault Control technology of new-energy automobile, more particularly, to a kind of Fault Control of new-energy automobile
Method and system.
Background technology
With the fast development of the new-energy automobiles such as hybrid vehicle, pure electric automobile, automobile dynamic system and control
System becomes increasingly complex, and it proposes requirement higher to entire car controller.Existing entire car controller includes a failure control
Device processed, its DTC for being mainly used in each control unit for obtaining vehicle finds failure in time in order to driver.But,
Existing entire car controller can only obtain DTC, then be screened by driver, when driver does not note somewhat
DTC cannot be then found, it cannot carry out subsequent treatment for DTC, its security for being unfavorable for improving vehicle drive.
The content of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, a kind of fault control method of new-energy automobile is proposed
And system, solving entire car controller in the prior art cannot carry out the skill that examination treatment causes drive safety to reduce to DTC
Art problem.
To reach above-mentioned technical purpose, technical scheme provides a kind of fault control method of new-energy automobile,
Comprise the following steps：
S1, the DTC for obtaining tracer, control entire car controller to enter running status, if depositing if fault-free code
Then enter step S2 in DTC；
The failure rank of S2, failure judgement code, if failure is superior to setting rank, is judged to significant trouble and controls
Entire car controller enters situation out of service, if failure rank is less than setting rank, is judged to generic failure and sends relative
The phonetic warning answered.
Preferably, the step S2 by obtain in fault database with DTC identical fault data, and according to failure
The failure rank of data failure judgement code.
Preferably, the step S2 also includes that each fault data in fault database corresponds assignment, and works as failure
Code carries out assignment to the DTC when identical with fault data, and according to the failure rank of assignment failure judgement code.
Preferably, the step S2 also includes for each fault data in fault database corresponding at least one fault restoration
Scheme, when in acquisition fault database with DTC identical fault data, synchronously transfers the failure corresponding with DTC and repaiies
Compound case simultaneously shows.
Preferably, the fault control method also includes：
S3, the DTC after assignment is stored, when obtaining again with DTC identical DTC after assignment
Then the DTC is designated and is easily broken down；If not obtaining and identifying in the setting time threshold value after the mark that easily breaks down
DTC identical DTC, then cancel the DTC of the mark.
Meanwhile, the present invention also provides a kind of fault control system of new-energy automobile, including：
DTC acquisition module, its DTC for being used to obtain tracer controls full-vehicle control if fault-free code
Device enters running status, and fault level judge module is entered if it there is DTC.
Fault level judge module, its failure rank for being used for failure judgement code, if failure is superior to setting rank,
It is judged to significant trouble and controls entire car controller to enter situation out of service, if failure rank judges less than setting rank
For generic failure and send corresponding phonetic warning.
Preferably, the fault level judge module by obtain in fault database with DTC identical fault data,
And according to the failure rank of fault data failure judgement code.
Preferably, the fault level judge module is additionally operable to correspond tax to each fault data in fault database
Value, and assignment is carried out to the DTC when DTC is identical with fault data, and according to the failure level of assignment failure judgement code
Not.
Preferably, the fault level judge module is additionally operable to for each fault data in fault database to correspond at least one
Individual fault restoration scheme, when in acquisition fault database with DTC identical fault data, synchronously transfers relative with DTC
The fault restoration scheme answered simultaneously shows.
Preferably, the fault control system of the new-energy automobile also includes failure identification module, and it is used for after assignment
DTC store, when again obtain with assignment after DTC identical DTC when then the DTC is designated easily
Break down；If not obtained in the setting time threshold value after the mark that easily breaks down and identifying DTC identical DTC,
Then cancel the DTC of the mark.
Compared with prior art, the present invention obtains the failure rank of DTC and failure judgement code, when failure rank is higher
And when having a strong impact on driving safety, its controllable entire car controller is into run-stopping status avoiding driver actuation from entering
Row drives, so as to avoid driver's dangerous driving, it is ensured that driving safety.
Brief description of the drawings
Fig. 1 is the FB(flow block) of the fault control method of new-energy automobile of the invention；
Fig. 2 is the connection block diagram of the fault control system of new-energy automobile of the invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is referred to, The embodiment provides a kind of fault control method of new-energy automobile, including following step
Suddenly：
S1, the DTC for obtaining tracer, control entire car controller to enter running status, if depositing if fault-free code
Then enter step S2 in DTC；
Specifically, when controller is started, tracer carries out fault detect to multiple vehicle control devices automatically, and obtains
Take DTC, the present embodiment by obtaining the DTC of tracer, when tracer is not detected by failure, then not shape
Into DTC, preferably, its controllable entire car controller enters running status to its explanation vehicle-state, and driver can be with its startup simultaneously
Drive vehicle.
The failure rank of S2, failure judgement code, if failure is superior to setting rank, is judged to significant trouble and controls
Entire car controller enters situation out of service, if failure rank is less than setting rank, is judged to generic failure and sends relative
The phonetic warning answered.
After getting tracer and detecting the DTC to be formed, its fault level to DTC judges, when
Fault level then illustrates that the corresponding failure of DTC is significant trouble higher than setting rank, and its control entire car controller enters and stops
Only running status, is simultaneously emitted by voice warning and display is alerted, to promote driver to carry out failture evacuation in time, it is to avoid it is not because
It was found that failure and starting vehicle causes potential safety hazard；And when for generic failure, then its not entail dangers to safety is illustrated, Gu Qifa
Go out phonetic warning, remind driver vehicle to there is failure, driver can be excluded according to actual conditions or temporarily be ignored.
When specifically carrying out fault level and judging, the present embodiment sets a fault database, the various different situations of the failure library storage
Under fault data, its can by obtain in fault database with DTC identical fault data, and according to fault data judge
The failure rank of DTC.Specifically, each fault data in the present embodiment fault database corresponds assignment, and work as failure
Code carries out assignment to the DTC when identical with fault data, and according to the failure rank of assignment failure judgement yard, for example, can be by
Fault data is entered as 1,2,3,4,5 respectively, and it is to be entered as the great event of 4 and 5 expressions that wherein assignment 1 and 2 is expressed as generic failure
Barrier, when DTC is identical with the fault data for being entered as 4, is then entered as 4 to DTC, while judging to be entered as 4 failure
It is significant trouble that code is corresponding.And, the present embodiment can determine whether the order of severity of failure, the bigger explanation of assignment by assignment 4 and 5
Problem is more serious, and assignment 1,2,4,5 is probably the failure of same position, but with the order of severity of failure its assignment gradually
Increase, therefore need to set corresponding different degrees of fault data during the present embodiment failure lab setting fault data, in order to
It is corresponding with DTC.Meanwhile, the assignment of the present embodiment can be shown by the display screen of entire car controller, in order to remind
The order of severity of driver's failure, promotes driver to fix a breakdown in time.
Fixed a breakdown in time for the ease of driver, step S2 described in the present embodiment is also included each event in fault database
Barrier data correspond at least one fault restoration scheme, when in acquisition fault database with DTC identical fault data, together
Step takes the fault restoration scheme corresponding with DTC and shows, at least one fault restoration scheme is general with number of faults
According to storage, when obtaining with fault data identical DTC, it corresponding can extract fault restoration scheme on the other side
Out, the display screen and by entire car controller shown, corresponding failture evacuation side is obtained in time in order to driver
Case, and in time by failture evacuation.Wherein, the failure that cannot be excluded for driver, it provides at one kind, and can to reduce failure tight
The scheme of weight degree, consequently facilitating reducing fault severity level, it is ensured that being capable of safe driving.
S3, the DTC after assignment is stored, when obtaining again with DTC identical DTC after assignment
Then the DTC is designated and is easily broken down；If not obtaining and identifying in the setting time threshold value after the mark that easily breaks down
DTC identical DTC, then cancel the DTC of the mark.
Because when being judged to generic failure or being reduced to generic failure by significant trouble, generic failure there may be temporarily
Situation is not excluded, or when there is identical failure again, it can again obtain the DTC, then illustrate that the failure is not solved still
Certainly, it is significant trouble that unsolved generic failure is easily evolved, therefore the present embodiment is identified to the failure, informs that driver should
Failure should be excluded in time easily to break down, and be significant trouble to avoid its evolution, and the present embodiment is designated easily occurs event
The DTC of barrier is then entered as 3, and it is conducive to the order of severity for reminding driver identification to be the DTC for easily breaking down.When
In setting time threshold value, such as within 24 hours, when not obtaining the DTC identical DTC with mark, then illustrate the mark
The DTC of knowledge is easily excluded, then the DTC to the mark is cancelled.
Meanwhile, as shown in Fig. 2 the present invention also provides a kind of fault control system of new-energy automobile, including DTC is obtained
Modulus block 1, fault level judge module 2, failure identification module 3, wherein：
DTC acquisition module 1 is used to obtain the DTC of tracer, and entire car controller is controlled if fault-free code
Into running status, fault level judge module 2 is entered if it there is DTC.
Fault level judge module 2 is used for the failure rank of failure judgement code, if failure is superior to setting rank, sentences
It is set to significant trouble and controls entire car controller to enter situation out of service, if failure rank is judged to less than setting rank
Generic failure simultaneously sends corresponding phonetic warning；
Failure identification module 3 is used to store the DTC after assignment, DTC after obtaining with assignment again
Then the DTC is designated during identical DTC is easily broken down；If the setting time threshold value after the mark that easily breaks down
Do not obtain inside and identify DTC identical DTC, then cancel the DTC of the mark.
Wherein, fault level judge module 2 described in the present embodiment is former with DTC identical in fault database by obtaining
Barrier data, and according to the failure rank of fault data failure judgement code.Specifically, the fault level judge module 2 is additionally operable to
Assignment is corresponded to each fault data in fault database, and the DTC is entered when DTC is identical with fault data
Row assignment, and according to the failure rank of assignment failure judgement code.
Further, the fault level judge module 2 be additionally operable to by each fault data in fault database correspond to
A few fault restoration scheme, when in acquisition fault database with DTC identical fault data, synchronously transfers and DTC
Corresponding fault restoration scheme simultaneously shows.
Compared with prior art, the present invention obtains the failure rank of DTC and failure judgement code, when failure rank is higher
And when having a strong impact on driving safety, its controllable entire car controller is into run-stopping status avoiding driver actuation from entering
Row drives, so as to avoid driver's dangerous driving, it is ensured that driving safety.
The specific embodiment of present invention described above, is not intended to limit the scope of the present invention..Any basis
Various other corresponding change and deformation that technology design of the invention is made, should be included in the guarantor of the claims in the present invention
In the range of shield.
Claims (10)
1. a kind of fault control method of new-energy automobile, it is characterised in that comprise the following steps：
S1, the DTC for obtaining tracer, control entire car controller to enter running status if fault-free code, if in the presence of event
Barrier code then enters step S2；
The failure rank of S2, failure judgement code, if failure is superior to setting rank, is judged to significant trouble and controls vehicle
Controller enters situation out of service, if failure rank is judged to generic failure and sends corresponding less than setting rank
Phonetic warning.
2. the fault control method of new-energy automobile according to claim 1, it is characterised in that the step S2 is by obtaining
Take in fault database with DTC identical fault data, and according to fault data failure judgement code failure rank.
3. the fault control method of new-energy automobile according to claim 2, it is characterised in that the step S2 also includes
Each fault data in fault database corresponds assignment, and the DTC is carried out when DTC is identical with fault data
Assignment, and according to the failure rank of assignment failure judgement code.
4. the fault control method of new-energy automobile according to claim 3, it is characterised in that the step S2 also includes
By each fault data in fault database correspond at least one fault restoration scheme, when obtain fault database in failure code-phase
With fault data when, synchronously transfer the fault restoration scheme corresponding with DTC and show.
5. the fault control method of new-energy automobile according to claim 4, it is characterised in that the fault control method
Also include：
S3, the DTC after assignment is stored, it is then right when obtaining again with DTC identical DTC after assignment
The DTC is designated and easily breaks down；If not obtained in the setting time threshold value after the mark that easily breaks down and mark failure
Code identical DTC, then cancel the DTC of the mark.
6. a kind of fault control system of new-energy automobile, it is characterised in that including：
DTC acquisition module, its DTC for being used to obtain tracer controls entire car controller to enter if fault-free code
Enter running status, fault level judge module is entered if it there is DTC.
Fault level judge module, its failure rank for being used for failure judgement code, if failure is superior to setting rank, judges
For significant trouble and control entire car controller enter situation out of service, if failure rank less than setting rank, be judged to one
As failure and send corresponding phonetic warning.
7. the fault control system of new-energy automobile according to claim 6, it is characterised in that the fault level judges
Module by obtain in fault database with DTC identical fault data, and according to fault data failure judgement code failure level
Not.
8. the fault control system of new-energy automobile according to claim 7, it is characterised in that the fault level judges
Module is additionally operable to correspond each fault data in fault database assignment, and when DTC is identical with fault data pair
The DTC carries out assignment, and according to the failure rank of assignment failure judgement code.
9. the fault control system of new-energy automobile according to claim 8, it is characterised in that the fault level judges
Module is additionally operable to for each fault data in fault database to correspond at least one fault restoration scheme, when in acquisition fault database
During with DTC identical fault data, synchronously transfer the fault restoration scheme corresponding with DTC and show.
10. the fault control system of new-energy automobile according to claim 9, it is characterised in that the new-energy automobile
Fault control system also include failure identification module, it is used to store the DTC after assignment, when again obtain with
Then the DTC is designated during DTC identical DTC after assignment is easily broken down；If after the mark that easily breaks down
Setting time threshold value in do not obtain and identify DTC identical DTC, then cancel the DTC of the mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710041908.0A CN106681307A (en) | 2017-01-20 | 2017-01-20 | Fault control method of novel energy automobile and system thereof |
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| CN201710041908.0A CN106681307A (en) | 2017-01-20 | 2017-01-20 | Fault control method of novel energy automobile and system thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107463162A (en) * | 2017-07-20 | 2017-12-12 | 山东凯马汽车制造有限公司 | Energy-conserving and environment-protective electronic logistic car fault diagnosis control system |
| CN107458243A (en) * | 2017-07-13 | 2017-12-12 | 合肥创智汽车技术开发有限公司 | A kind of scram control method driven for new-energy automobile Intelligent unattended |
| CN108263312A (en) * | 2018-01-25 | 2018-07-10 | 奇瑞汽车股份有限公司 | Vehicle trouble alarm method and device |
| CN108415407A (en) * | 2018-03-14 | 2018-08-17 | 徐工集团工程机械有限公司 | Levelling Failure Detection Controller, levelling of paver control device and method |
| CN108845564A (en) * | 2018-06-27 | 2018-11-20 | 安徽江淮汽车集团股份有限公司 | CAN bus self-diagnosable system and method |
| CN110389572A (en) * | 2018-04-23 | 2019-10-29 | 上海博泰悦臻电子设备制造有限公司 | Vehicle part failure gives warning in advance method, system and server |
| CN110488794A (en) * | 2019-07-11 | 2019-11-22 | 深圳市元征科技股份有限公司 | A kind of vehicle trouble processing method, diagnostic device and storage medium |
| CN111123730A (en) * | 2018-10-31 | 2020-05-08 | 百度在线网络技术（北京）有限公司 | Unmanned driving fault simulation method, device, equipment and computer readable medium |
| CN112799380A (en) * | 2021-01-04 | 2021-05-14 | 中车青岛四方车辆研究所有限公司 | Auxiliary system self-checking system and method suitable for unmanned train |
| CN114019274A (en) * | 2021-10-26 | 2022-02-08 | 深圳市道通合创新能源有限公司 | Detection tool and method for high-voltage component and detection system for new energy automobile |
| CN114655182A (en) * | 2020-12-24 | 2022-06-24 | 比亚迪股份有限公司 | Control method of electronic parking brake system, electronic equipment and vehicle |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107458243A (en) * | 2017-07-13 | 2017-12-12 | 合肥创智汽车技术开发有限公司 | A kind of scram control method driven for new-energy automobile Intelligent unattended |
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| CN108263312A (en) * | 2018-01-25 | 2018-07-10 | 奇瑞汽车股份有限公司 | Vehicle trouble alarm method and device |
| CN108415407A (en) * | 2018-03-14 | 2018-08-17 | 徐工集团工程机械有限公司 | Levelling Failure Detection Controller, levelling of paver control device and method |
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| CN110389572A (en) * | 2018-04-23 | 2019-10-29 | 上海博泰悦臻电子设备制造有限公司 | Vehicle part failure gives warning in advance method, system and server |
| CN108845564A (en) * | 2018-06-27 | 2018-11-20 | 安徽江淮汽车集团股份有限公司 | CAN bus self-diagnosable system and method |
| CN111123730B (en) * | 2018-10-31 | 2022-09-06 | 百度在线网络技术（北京）有限公司 | Unmanned driving fault simulation method, device, equipment and computer readable medium |
| CN111123730A (en) * | 2018-10-31 | 2020-05-08 | 百度在线网络技术（北京）有限公司 | Unmanned driving fault simulation method, device, equipment and computer readable medium |
| CN110488794A (en) * | 2019-07-11 | 2019-11-22 | 深圳市元征科技股份有限公司 | A kind of vehicle trouble processing method, diagnostic device and storage medium |
| CN114655182A (en) * | 2020-12-24 | 2022-06-24 | 比亚迪股份有限公司 | Control method of electronic parking brake system, electronic equipment and vehicle |
| CN112799380A (en) * | 2021-01-04 | 2021-05-14 | 中车青岛四方车辆研究所有限公司 | Auxiliary system self-checking system and method suitable for unmanned train |
| CN114019274A (en) * | 2021-10-26 | 2022-02-08 | 深圳市道通合创新能源有限公司 | Detection tool and method for high-voltage component and detection system for new energy automobile |
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Application publication date: 20170517 |