CN110262459B - Fault information output control method and system - Google Patents
Fault information output control method and system Download PDFInfo
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- CN110262459B CN110262459B CN201910581824.5A CN201910581824A CN110262459B CN 110262459 B CN110262459 B CN 110262459B CN 201910581824 A CN201910581824 A CN 201910581824A CN 110262459 B CN110262459 B CN 110262459B
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- 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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Abstract
The invention discloses a fault information output control method and a system, wherein a master ECU and a slave ECU are determined in a plurality of ECUs; coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages; controlling each slave ECU to send a corresponding fault message to the master ECU; and reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs and the fault data of the master ECU. The invention realizes the master-slave management of the multiple ECUs, so that the fault diagnosis signals of all the slave ECUs are transmitted according to the calibration requirement to carry out coding processing, and then all the messages are transmitted to the master ECU to carry out reporting and unified management. The convenience of application is realized.
Description
Technical Field
The present invention relates to the field of information processing technologies, and in particular, to a fault information output control method and system.
Background
With the development of automobile electronic technology, the driving function of the automobile is more and more perfect, which makes the related control systems of the automobile more and more. An ECU (Electronic control unit) is a main control component of an automobile, and the number of the ECUs is large in the existing automobile, but there are some application disadvantages. For example, in the case of maintenance or problem handling, when a diagnostic apparatus reads a fault code, each ECU needs to be read and then analyzed, which causes inconvenience in application.
Disclosure of Invention
In view of the above problems, the present invention provides a fault information output control method and system, which implement unified management and reading of faults when a plurality of ECUs exist, and implement convenience of application.
In order to achieve the purpose, the invention provides the following technical scheme:
a fault information output control method, the method comprising:
determining a master ECU and a slave ECU among the plurality of ECUs;
coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages;
controlling each slave ECU to send a corresponding fault message to the master ECU;
and reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs and the fault data of the master ECU.
Optionally, the encoding the fault diagnosis signal of each slave ECU according to the fault that needs to be transmitted by calibration to obtain a fault message includes:
and according to the calibrated fault needing to be transmitted, coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU to obtain a fault message.
Optionally, the encoding the fault diagnosis signal and the diagnosis enable signal of each slave ECU to obtain a fault message includes:
respectively coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU in a bit mode to obtain coded data;
and assigning the coded data to an array variable to generate a fault message.
Optionally, the method further comprises:
controlling the master ECU to analyze fault messages sent by the slave ECUs to obtain slave ECU fault information;
controlling the main ECU to analyze the fault message of the main ECU to obtain the fault information of the main ECU;
and controlling the master ECU to obtain fault information according to the slave ECU fault information and the master ECU fault information.
Optionally, the controlling the master ECU to analyze the fault message sent by each slave ECU to obtain slave ECU fault information includes:
controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
A fault information output control system, the system comprising:
a determination unit for determining a master ECU and a slave ECU among the plurality of ECUs;
the encoding unit is used for encoding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in the calibration process to obtain fault messages;
the control unit is used for controlling each slave ECU to send the corresponding fault message to the master ECU;
and the reading unit is used for reading the fault information output by the main ECU, wherein the fault information output by the main ECU is fault data generated according to the fault message sent by each slave ECU and the fault data of the main ECU.
Optionally, the encoding unit is specifically configured to:
and according to the calibrated fault needing to be transmitted, coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU to obtain a fault message.
Optionally, the encoding unit includes:
the encoding subunit is used for encoding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU in a bit mode to obtain encoded data;
and the message generation subunit is used for assigning the encoded data to the array variable to generate a fault message.
Optionally, the system further comprises:
the first control subunit is used for controlling the master ECU to analyze the fault message sent by each slave ECU so as to obtain the fault information of the slave ECU;
the second control subunit is used for controlling the main ECU to analyze the fault message of the main ECU so as to obtain the fault information of the main ECU;
and the third control subunit is used for controlling the main ECU to obtain fault information according to the slave ECU fault information and the main ECU fault information.
Optionally, the information first control subunit includes:
the information analysis subunit is used for controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and the fault information generation subunit is used for controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
Compared with the prior art, the invention provides a fault information output control method and a fault information output control system, wherein a main ECU and a slave ECU are determined in a plurality of ECUs; coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages; controlling each slave ECU to send a corresponding fault message to the master ECU; and reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs and the fault data of the master ECU. The invention realizes the master-slave management of the multiple ECUs, so that the fault diagnosis signals of all the slave ECUs are transmitted according to the calibration requirement to carry out coding processing, and then all the messages are transmitted to the master ECU to carry out reporting and unified management. The convenience of application is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic flow chart of a fault information output control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fault information output control system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not set forth for a listed step or element but may include steps or elements not listed.
In an embodiment of the present invention, a fault information output control method is provided, and referring to fig. 1, the method includes:
s101, determining a master ECU and a slave ECU in a plurality of ECUs.
The determination of the master ECU and the slave ECU among the plurality of ECUs may be determined according to the state of the ECUs or may be determined randomly, but there is only one master ECU and there may be a plurality of slave ECUs, i.e., the remaining ECUs in the engine system other than the master ECU.
And S102, coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in the calibration process to obtain fault messages.
Before the fault message is acquired, the diagnostic enabling signals of the slave ECUs are acquired, namely the fault diagnostic signals and the diagnostic enabling signals of the slave ECUs are encoded according to the calibrated fault data needing to be transmitted, so that the fault message is acquired. The calibration refers to storing a calibration array of fault data to be transmitted, and the diagnosis enabling signal is used for the main ECU to judge whether the currently received fault diagnosis signal can be received.
Specifically, the fault diagnosis signal and the enable signal of each slave ECU are encoded in a bit mode to obtain encoded data, and the encoded data are assigned to an array variable to generate a fault message. . For example, the codes are respectively copied to 2 groups of variables in a bit mode, and the coded diagnosis signals and the coded enable signal variables are transmitted to the main ECU in a CAN message mode.
S103, controlling each slave ECU to send corresponding fault messages to the master ECU;
and S104, reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs.
After receiving the fault message transmitted by each slave ECU, the master ECU analyzes the fault message to obtain the fault information of the slave ECU, and also analyzes the fault message of the master ECU to obtain the fault information of the master ECU; and generating final fault information according to the slave ECU fault information and the master ECU fault information.
Specifically, controlling the master ECU to analyze the fault message sent by each slave ECU to obtain slave ECU fault information includes:
controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
The fault message is fault information coded by bits, namely, master-slave transmission faults are possibly more, in order to save resources and improve transmission efficiency, a bit is used for representing each fault signal and a corresponding enabling signal respectively, when the bit is 1, the fault and the enabling are represented, when the bit is 0, no fault and no enabling are represented, and the fault signal state can be received and updated only when the enabling signal is 1.
The invention provides a fault information output control method, which comprises the steps of determining a master ECU and a slave ECU in a plurality of ECUs; coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages; controlling each slave ECU to send a corresponding fault message to the master ECU; and reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs. The invention realizes the master-slave management of the multiple ECUs, so that the fault diagnosis signals of all the slave ECUs are transmitted according to the calibration requirement to carry out coding processing, and then all the messages are transmitted to the master ECU to carry out reporting and unified management. The convenience of application is realized.
The fault diagnosis system using the fault information output control method has the advantages of simple structure, convenient realization, small occupied memory resource and no influence on the performance of the electric control system because only the main ECU outputs the fault. The faults needing to be transmitted can be calibrated, different master-slave transmission faults can be calibrated according to different applications, and all the multiple ECU platforms can use the method.
A fault information output control system, see fig. 2, comprising:
a determination unit 10 for determining a master ECU and a slave ECU among the plurality of ECUs;
the encoding unit 20 is configured to encode the fault diagnosis signal of each slave ECU according to the fault that needs to be transmitted in the calibration, so as to obtain a fault message;
a control unit 30, configured to control each slave ECU to send a corresponding fault message to the master ECU;
and a reading unit 40, configured to read fault information output by the master ECU, where the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs and fault data of the master ECU.
On the basis of the foregoing embodiment, the encoding unit is specifically configured to:
and according to the calibrated fault needing to be transmitted, coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU to obtain a fault message.
On the basis of the above embodiment, the encoding unit includes:
the encoding subunit is used for encoding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU in a bit mode to obtain encoded data;
and the message generation subunit is used for assigning the encoded data to the array variable to generate a fault message.
On the basis of the above embodiment, the system further includes:
the first control subunit is used for controlling the master ECU to analyze the fault message sent by each slave ECU so as to obtain the fault information of the slave ECU;
the second control subunit is used for controlling the main ECU to analyze the fault message of the main ECU so as to obtain the fault information of the main ECU;
and the third control subunit is used for controlling the main ECU to obtain fault information according to the slave ECU fault information and the main ECU fault information.
On the basis of the above embodiment, the first control subunit includes:
the information analysis subunit is used for controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and the fault information generation subunit is used for controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
The invention provides a failure information output control system.A determination unit determines a master ECU and a slave ECU among a plurality of ECUs; the encoding unit carries out encoding processing on the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages; the control unit controls each slave ECU to send a corresponding fault message to the master ECU; and the reading unit reads the fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to the fault messages sent by the slave ECUs. The invention realizes the master-slave management of the multiple ECUs, so that the fault diagnosis signals of all the slave ECUs are transmitted according to the calibration requirement to carry out coding processing, and then all the messages are transmitted to the master ECU to carry out reporting and unified management. The convenience of application is realized.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A fault information output control method, characterized by comprising:
determining a master ECU and slave ECUs from the plurality of ECUs, wherein the master ECU and the slave ECUs are determined according to the states of the ECUs, or a master ECU is randomly determined, and the other ECUs are slave ECUs;
coding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in a calibration mode to obtain fault messages;
controlling each slave ECU to send a corresponding fault message to the master ECU;
reading fault information output by the master ECU, wherein the fault information output by the master ECU is fault data generated according to fault messages sent by the slave ECUs and the fault data of the master ECU;
the encoding processing is performed on the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted by calibration, so as to obtain fault messages, and the method comprises the following steps:
and according to the calibrated fault needing to be transmitted, coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU to obtain a fault message, wherein the diagnosis enabling signal is used for the master ECU to judge whether the currently received fault diagnosis signal can be received or not.
2. The method according to claim 1, wherein the encoding the fault diagnosis signal and the diagnosis enable signal of each slave ECU to obtain the fault message comprises:
respectively coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU in a bit mode to obtain coded data;
and assigning the coded data to an array variable to generate a fault message.
3. The method of claim 1, further comprising:
controlling the master ECU to analyze fault messages sent by the slave ECUs to obtain slave ECU fault information;
controlling the main ECU to analyze the fault message of the main ECU to obtain the fault information of the main ECU;
and controlling the master ECU to obtain fault information according to the slave ECU fault information and the master ECU fault information.
4. The method according to claim 3, wherein the controlling the master ECU to parse the fault message sent by each slave ECU to obtain slave ECU fault information comprises:
controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
5. A fault information output control system, characterized by comprising:
the determining unit is used for determining a master ECU and a slave ECU in the plurality of ECUs, and comprises the steps of determining the master ECU and the slave ECU according to the state of each ECU, or randomly determining one master ECU, wherein other ECUs are slave ECUs;
the encoding unit is used for encoding the fault diagnosis signals of the slave ECUs according to the faults needing to be transmitted in the calibration process to obtain fault messages;
the control unit is used for controlling each slave ECU to send the corresponding fault message to the master ECU;
the reading unit is used for reading fault information output by the main ECU, wherein the fault information output by the main ECU is fault data generated according to fault messages sent by the slave ECUs and the fault data of the main ECU;
the encoding unit is specifically configured to:
and according to the calibrated fault needing to be transmitted, coding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU to obtain a fault message, wherein the diagnosis enabling signal is used for the master ECU to judge whether the currently received fault diagnosis signal can be received or not.
6. The system of claim 5, wherein the encoding unit comprises:
the encoding subunit is used for encoding the fault diagnosis signal and the diagnosis enabling signal of each slave ECU in a bit mode to obtain encoded data;
and the message generation subunit is used for assigning the encoded data to the array variable to generate a fault message.
7. The system of claim 5, further comprising:
the first control subunit is used for controlling the master ECU to analyze the fault message sent by each slave ECU so as to obtain the fault information of the slave ECU;
the second control subunit is used for controlling the main ECU to analyze the fault message of the main ECU so as to obtain the fault information of the main ECU;
and the third control subunit is used for controlling the main ECU to obtain fault information according to the slave ECU fault information and the main ECU fault information.
8. The system of claim 7, wherein the first control subunit comprises:
the information analysis subunit is used for controlling the master ECU to acquire and analyze the fault message sent by the slave ECU to acquire a fault diagnosis signal and a diagnosis enabling signal;
and the fault information generation subunit is used for controlling the main ECU to judge whether the fault diagnosis signal can be received or not according to the diagnosis enabling signal, and if so, controlling the main ECU to generate the fault information of the slave ECU according to the fault diagnosis signal.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384119A (en) * | 2008-10-17 | 2009-03-11 | 奇瑞汽车股份有限公司 | Vehicle external lamp controller based on CAN and LIN bus |
| CN101393457A (en) * | 2008-11-05 | 2009-03-25 | 奇瑞汽车股份有限公司 | Diagnostic apparatus diagnostic system and diagnostic method thereof |
| CN101572332A (en) * | 2009-06-08 | 2009-11-04 | 奇瑞汽车股份有限公司 | Control system of high-voltage battery and control method thereof |
| CN101718993A (en) * | 2009-11-19 | 2010-06-02 | 浙江吉利汽车研究院有限公司 | Complete vehicle fault self-diagnosis system |
| CN102097636A (en) * | 2011-01-07 | 2011-06-15 | 武汉理工大学 | Fault diagnosis device and method of fuel cell system |
| KR20160063866A (en) * | 2014-11-27 | 2016-06-07 | 주식회사 엑시언 | Obd system of bi-fuel automotive and control method thereof |
| CN106094798A (en) * | 2016-07-04 | 2016-11-09 | 江苏卡威汽车研究院有限公司 | A kind of method for diagnosing faults based on CAN communication bus system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604165B (en) * | 2009-07-10 | 2012-07-11 | 奇瑞汽车股份有限公司 | Vehicular diagnosis system for hybrid power vehicle and diagnosis method thereof |
| CN103427944B (en) * | 2012-05-26 | 2017-04-12 | 华为技术有限公司 | Data sending method, data forwarding method, apparatuses and system |
| CN104834303A (en) * | 2014-12-19 | 2015-08-12 | 北汽福田汽车股份有限公司 | Vehicle fault diagnosis method and system, and vehicle |
| CN104796773B (en) * | 2015-03-20 | 2017-11-10 | 四川长虹电器股份有限公司 | The transmission of more equipment incoming events and processing method |
-
2019
- 2019-06-30 CN CN201910581824.5A patent/CN110262459B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101384119A (en) * | 2008-10-17 | 2009-03-11 | 奇瑞汽车股份有限公司 | Vehicle external lamp controller based on CAN and LIN bus |
| CN101393457A (en) * | 2008-11-05 | 2009-03-25 | 奇瑞汽车股份有限公司 | Diagnostic apparatus diagnostic system and diagnostic method thereof |
| CN101572332A (en) * | 2009-06-08 | 2009-11-04 | 奇瑞汽车股份有限公司 | Control system of high-voltage battery and control method thereof |
| CN101718993A (en) * | 2009-11-19 | 2010-06-02 | 浙江吉利汽车研究院有限公司 | Complete vehicle fault self-diagnosis system |
| CN102097636A (en) * | 2011-01-07 | 2011-06-15 | 武汉理工大学 | Fault diagnosis device and method of fuel cell system |
| KR20160063866A (en) * | 2014-11-27 | 2016-06-07 | 주식회사 엑시언 | Obd system of bi-fuel automotive and control method thereof |
| CN106094798A (en) * | 2016-07-04 | 2016-11-09 | 江苏卡威汽车研究院有限公司 | A kind of method for diagnosing faults based on CAN communication bus system |
Non-Patent Citations (1)
| Title |
|---|
| FlexRay总线调度策略及其在线控制动中的应用研究;程名;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20180715;全文 * |
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