CN110262459A - A kind of fault message output control method and system - Google Patents
A kind of fault message output control method and system Download PDFInfo
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- CN110262459A CN110262459A CN201910581824.5A CN201910581824A CN110262459A CN 110262459 A CN110262459 A CN 110262459A CN 201910581824 A CN201910581824 A CN 201910581824A CN 110262459 A CN110262459 A CN 110262459A
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a kind of fault message output control method and system, main ECU is determined in multiple ECU and from ECU；The failure that each fault diagnosis signal from ECU is needed to transmit according to calibration carries out coded treatment, obtains failure message；It controls and each described is sent to the main ECU from ECU by corresponding failure message；Read the fault message of the main ECU output, wherein the fault message of the main ECU output is the fault data of the fault data and the main ECU that generate according to each failure message sent from ECU.The present invention realizes to divide more ECU and is then all transmitted to main ECU so that the failure that all fault diagnosis signals from ECU are needed to transmit according to calibration, carries out coded treatment for principal and subordinate's management by message and is quoted and be managed collectively.Realize the convenience of application.
Description
Technical field
The present invention relates to technical field of information processing, more particularly to a kind of fault message output control method and system.
Background technique
With the development of automotive electronic technology, the driving function of automobile is more and more perfect, this allows for automobile relevant control
System is more and more.Main control part of the ECU (Electronic ControlUnit, electronic control unit) as automobile,
Its quantity is more on existing automobile, but can also exist some using disadvantage.For example, the more ECU control systems of engine exist
Respective fault diagnosis management system needs when with diagnostic equipment read failure code to each ECU when repairing or handling problem
It reads, then parses respectively respectively, cause using inconvenient problem.
Summary of the invention
It is directed to the above problem, the present invention provides a kind of fault message output control method and system, realizes in the presence of more
When a ECU, the unified management and reading of failure realize the convenience of application.
To achieve the goals above, the present invention provides the following technical scheme that
A kind of fault message output control method, this method comprises:
Main ECU is determined in multiple ECU and from ECU；
The failure that each fault diagnosis signal from ECU is needed to transmit according to calibration carries out coded treatment, obtains
Failure message；
It controls and each described is sent to the main ECU from ECU by corresponding failure message；
Read the fault message of the main ECU output, wherein the fault message of the main ECU output is according to each institute
State the fault data of fault data and the main ECU that the failure message sent from ECU generates.
Optionally, the failure that each fault diagnosis signal from ECU is needed to transmit according to calibration, is compiled
Code processing, obtains failure message, comprising:
According to the failure that the needs of calibration transmit, by each fault diagnosis signal from ECU and diagnosis enable signal
Coded treatment is carried out, failure message is obtained.
Optionally, described that each fault diagnosis signal from ECU and diagnosis enable signal are subjected to coded treatment, it obtains
Obtain failure message, comprising:
Each fault diagnosis signal from ECU and diagnosis enable signal are encoded in a manner of position respectively, obtained
Obtain coded data；
The coded data is assigned to aray variable, generates failure message.
Optionally, this method further include:
It controls the main ECU to parse each failure message sent from ECU, obtain from ECU fault message；
It controls the main ECU to parse the failure message of the main ECU, obtains main ECU fault message；
It controls the main ECU and obtains fault message from ECU fault message and the main ECU fault message according to described.
Optionally, the control main ECU parses each failure message sent from ECU, obtain from
ECU fault message, comprising:
Control the main ECU and obtain and the failure message sent from ECU is parsed, obtain fault diagnosis signal and
Diagnose enable signal；
It controls the main ECU and judges whether the fault diagnosis signal can receive according to the diagnosis enable signal, if
It is then to control the main ECU according to the fault diagnosis signal, generates described from ECU fault message.
A kind of fault message output control system, the system include:
Determination unit, for determining main ECU in multiple ECU and from ECU；
Coding unit, the failure for needing to transmit each fault diagnosis signal from ECU according to calibration, carries out
Coded treatment obtains failure message；
Control unit each described is sent to the main ECU from ECU by corresponding failure message for controlling；
Reading unit, for reading the fault message of the main ECU output, wherein the fault message of the main ECU output
Fault data for the fault data and the main ECU that are generated according to each failure message sent from ECU.
Optionally, the coding unit is specifically used for:
According to the failure that the needs of calibration transmit, by each fault diagnosis signal from ECU and diagnosis enable signal
Coded treatment is carried out, failure message is obtained.
Optionally, the coding unit includes:
Coded sub-units, for by each fault diagnosis signal from ECU and diagnosis enable signal respectively with position
Mode is encoded, and coded data is obtained；
Message generates subelement, for the coded data to be assigned to aray variable, generates failure message.
Optionally, the system further include:
First control subelement solves each failure message sent from ECU for controlling the main ECU
Analysis is obtained from ECU fault message；
Second control subelement, parses the failure message of the main ECU for controlling the main ECU, is led
ECU fault message；
Third controls subelement, for controlling the main ECU according to described from ECU fault message and the main ECU failure
Information acquisition fault message.
Optionally, the control of information first subelement includes:
Information parsing subunit solves the failure message sent from ECU for controlling the main ECU acquisition
Analysis obtains fault diagnosis signal and diagnosis enable signal；
Fault message generates subelement, judges the failure according to the diagnosis enable signal for controlling the main ECU
Whether diagnostic signal can receive, if it is, the control main ECU is generated described from ECU event according to the fault diagnosis signal
Hinder information.
Compared to the prior art, the present invention provides a kind of fault message output control method and systems, in multiple ECU
Determine main ECU and from ECU；The failure that each fault diagnosis signal from ECU is needed to transmit according to calibration, is encoded
Processing obtains failure message；It controls and each described is sent to the main ECU from ECU by corresponding failure message；Read institute
State the fault message of main ECU output, wherein the fault message of the main ECU output is according to each event sent from ECU
Hinder the fault data of fault data and the main ECU that message generates.The present invention is realized to divide more ECU and be managed for principal and subordinate, is made
The failure for needing to transmit according to calibration by all fault diagnosis signals from ECU is obtained, coded treatment is carried out, it is then complete by message
Portion is transmitted to main ECU and is quoted and be managed collectively.Realize the convenience of application.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of fault message output control method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural schematic diagram of fault message output control system provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Term " first " and " second " in description and claims of this specification and above-mentioned attached drawing etc. are for area
Not different objects, rather than for describing specific sequence.Furthermore term " includes " and " having " and their any deformations,
It is intended to cover and non-exclusive includes.Such as it contains the process, method of a series of steps or units, system, product or sets
It is standby not to be set in listed step or unit, but may include the step of not listing or unit.
A kind of fault message output control method is provided in embodiments of the present invention, referring to Fig. 1, this method comprises:
S101, main ECU is determined in multiple ECU and from ECU.
Main ECU is determined in multiple ECU and can be determined from ECU according to the state of ECU, can also be determined at random,
But main ECU only one, can remaining ECU to be multiple, i.e., in engine system in addition to main ECU from ECU.
S102, the failure for needing to transmit according to calibration by each fault diagnosis signal from ECU, carry out at coding
Reason obtains failure message.
Also need to obtain each diagnosis enable signal from ECU before obtaining failure message, i.e., according to the needs of calibration
Each fault diagnosis signal from ECU and diagnosis enable signal are carried out coded treatment, obtain failure report by the fault data of transmitting
Text.Wherein, calibration refers to the calibration array for the fault data that storage needs to transmit, and the effect for diagnosing enable signal is for master
ECU judges whether the fault diagnosis signal being currently received can receive.
Specifically, each fault diagnosis signal and enable signal from ECU is encoded in a manner of position respectively,
Coded data is obtained, the coded data is assigned to aray variable, generates failure message.For example, respectively in a manner of position into
Row coding is copied to 2 aray variables, and the diagnostic signal encoded and enable signal variable are passed to master in a manner of CAN message
ECU。
The main ECU is sent to from ECU by corresponding failure message described in S103, control are each；
S104, the fault message for reading the main ECU output, wherein the fault message of the main ECU output is according to each
The fault data that a failure message sent from ECU generates.
Main ECU receive it is each failure message can be parsed after the failure message that ECU is transmitted, obtain from ECU therefore
Hinder information, and the failure message of the i.e. main ECU of its own can also be parsed, obtains main ECU fault message；To basis
Final fault message is generated from ECU fault message and main ECU fault message.
Specifically, the control main ECU parses each failure message sent from ECU, obtain from ECU event
Hinder information, comprising:
Control the main ECU and obtain and the failure message sent from ECU is parsed, obtain fault diagnosis signal and
Diagnose enable signal；
It controls the main ECU and judges whether the fault diagnosis signal can receive according to the diagnosis enable signal, if
It is then to control the main ECU according to the fault diagnosis signal, generates described from ECU fault message.
Failure message is the fault message encoded with position, i.e., principal and subordinate transmits failure and may much to save resource, mention
High pass efficiency is used one bit respectively and is indicated for each fault-signal and corresponding enable signal, and event is indicated when for 1
Hinder and enabled, for 0 expression fault-free and does not enable, only enable signal could receive for 1 and update fault-signal state.
The present invention provides a kind of fault message output control method, main ECU is determined in multiple ECU and from ECU；It will be each
The failure that a fault diagnosis signal from ECU needs to transmit according to calibration, carries out coded treatment, obtains failure message；Control
It makes and each described is sent to the main ECU from ECU by corresponding failure message；Read the failure letter of the main ECU output
Breath, wherein the fault message of the main ECU output is the number of faults generated according to each failure message sent from ECU
According to.The present invention is realized to divide more ECU and be managed for principal and subordinate, so that by all fault diagnosis signals from ECU according to calibration needs
The failure of transmitting carries out coded treatment, is then all transmitted to main ECU by message and is quoted and be managed collectively.It realizes and answers
Convenience.
Using the fault diagnosis system of above-mentioned fault message output control method due to only having main ECU to carry out failure output,
Its structure is simple, is easy to implement, and committed memory resource is small, does not influence electric-control system performance.The failure for needing to transmit can demarcate, can
Failure, the method that this programme can be used in all more ECU platforms are transmitted to demarcate different principals and subordinates according to different applications.
A kind of fault message output control system, referring to fig. 2, which includes:
Determination unit 10, for determining main ECU in multiple ECU and from ECU；
Coding unit 20, the failure for needing to transmit each fault diagnosis signal from ECU according to calibration, into
Row coded treatment obtains failure message；
Control unit 30 each described is sent to the main ECU from ECU by corresponding failure message for controlling；
Reading unit 40, for reading the fault message of the main ECU output, wherein the failure letter of the main ECU output
Breath is the fault data of the fault data and the main ECU that are generated according to each failure message sent from ECU.
On the basis of the above embodiments, the coding unit is specifically used for:
According to the failure that the needs of calibration transmit, by each fault diagnosis signal from ECU and diagnosis enable signal
Coded treatment is carried out, failure message is obtained.
On the basis of the above embodiments, the coding unit includes:
Coded sub-units, for by each fault diagnosis signal from ECU and diagnosis enable signal respectively with position
Mode is encoded, and coded data is obtained；
Message generates subelement, for the coded data to be assigned to aray variable, generates failure message.
On the basis of the above embodiments, the system further include:
First control subelement solves each failure message sent from ECU for controlling the main ECU
Analysis is obtained from ECU fault message；
Second control subelement, parses the failure message of the main ECU for controlling the main ECU, is led
ECU fault message；
Third controls subelement, for controlling the main ECU according to described from ECU fault message and the main ECU failure
Information acquisition fault message.
On the basis of the above embodiments, the first control subelement includes:
Information parsing subunit solves the failure message sent from ECU for controlling the main ECU acquisition
Analysis obtains fault diagnosis signal and diagnosis enable signal；
Fault message generates subelement, judges the failure according to the diagnosis enable signal for controlling the main ECU
Whether diagnostic signal can receive, if it is, the control main ECU is generated described from ECU event according to the fault diagnosis signal
Hinder information.
The present invention provides a kind of fault message output control system, determination unit determined in multiple ECU main ECU and from
ECU；The failure that each fault diagnosis signal from ECU is needed to transmit by coding unit according to calibration carries out coded treatment,
Obtain failure message；The main ECU is sent to from ECU by corresponding failure message described in control unit control is each；It reads
Unit is taken to read the fault message of the main ECU output, wherein the fault message of the main ECU output is according to each described
The fault data that the failure message sent from ECU generates.The present invention is realized to divide more ECU and be managed for principal and subordinate, so that will own
The failure for needing to transmit according to calibration from the fault diagnosis signal of ECU, carries out coded treatment, is then all transmitted to master by message
ECU is quoted and is managed collectively.Realize the convenience of application.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of fault message output control method, which is characterized in that this method comprises:
Main ECU is determined in multiple ECU and from ECU；
The failure that each fault diagnosis signal from ECU is needed to transmit according to calibration carries out coded treatment, obtains failure
Message；
It controls and each described is sent to the main ECU from ECU by corresponding failure message；
Read the fault message of the main ECU output, wherein the fault message of the main ECU output be according to it is each it is described from
The fault data of fault data and the main ECU that the failure message that ECU is sent generates.
2. the method according to claim 1, wherein described by each fault diagnosis signal root from ECU
The failure transmitted is needed according to calibration, carries out coded treatment, obtains failure message, comprising:
According to the failure that the needs of calibration transmit, each fault diagnosis signal from ECU and diagnosis enable signal are carried out
Coded treatment obtains failure message.
3. according to the method described in claim 2, it is characterized in that, it is described by each fault diagnosis signal from ECU and
It diagnoses enable signal and carries out coded treatment, obtain failure message, comprising:
Each fault diagnosis signal from ECU and diagnosis enable signal are encoded in a manner of position respectively, compiled
Code data；
The coded data is assigned to aray variable, generates failure message.
4. the method according to claim 1, wherein this method further include:
It controls the main ECU to parse each failure message sent from ECU, obtain from ECU fault message；
It controls the main ECU to parse the failure message of the main ECU, obtains main ECU fault message；
It controls the main ECU and obtains fault message from ECU fault message and the main ECU fault message according to described.
5. according to the method described in claim 4, it is characterized in that, the control main ECU is to each described from ECU transmission
Failure message parsed, obtain from ECU fault message, comprising:
It controls the main ECU acquisition to parse the failure message sent from ECU, obtains fault diagnosis signal and diagnosis
Enable signal；
It controls the main ECU and judges whether the fault diagnosis signal can receive according to the diagnosis enable signal, if it is,
The main ECU is controlled according to the fault diagnosis signal, is generated described from ECU fault message.
6. a kind of fault message output control system, which is characterized in that the system includes:
Determination unit, for determining main ECU in multiple ECU and from ECU；
Coding unit, the failure for needing to transmit each fault diagnosis signal from ECU according to calibration, is encoded
Processing obtains failure message；
Control unit each described is sent to the main ECU from ECU by corresponding failure message for controlling；
Reading unit, for reading the fault message of the main ECU output, wherein the fault message of the main ECU output is root
According to the fault data of fault data and the main ECU that each failure message sent from ECU generates.
7. system according to claim 6, which is characterized in that the coding unit is specifically used for:
According to the failure that the needs of calibration transmit, each fault diagnosis signal from ECU and diagnosis enable signal are carried out
Coded treatment obtains failure message.
8. system according to claim 7, which is characterized in that the coding unit includes:
Coded sub-units, for by each fault diagnosis signal from ECU and diagnosis enable signal respectively in a manner of position
It is encoded, obtains coded data；
Message generates subelement, for the coded data to be assigned to aray variable, generates failure message.
9. system according to claim 6, which is characterized in that the system further include:
First control subelement parses each failure message sent from ECU for controlling the main ECU, obtains
It obtains from ECU fault message；
Second control subelement, parses the failure message of the main ECU for controlling the main ECU, obtains main ECU event
Hinder information；
Third controls subelement, for controlling the main ECU according to described from ECU fault message and the main ECU fault message
Obtain fault message.
10. system according to claim 9, which is characterized in that described first, which controls subelement, includes:
Information parsing subunit parses the failure message sent from ECU for controlling the main ECU acquisition, obtains
Obtain fault diagnosis signal and diagnosis enable signal；
Fault message generates subelement, judges the fault diagnosis according to the diagnosis enable signal for controlling the main ECU
Whether signal can receive, if it is, the control main ECU is generated described from ECU failure letter according to the fault diagnosis signal
Breath.
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| CN110262459B (en) | 2021-08-20 |
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