CN108153272B - Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart - Google Patents
Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart Download PDFInfo
- Publication number
- CN108153272B CN108153272B CN201611107817.4A CN201611107817A CN108153272B CN 108153272 B CN108153272 B CN 108153272B CN 201611107817 A CN201611107817 A CN 201611107817A CN 108153272 B CN108153272 B CN 108153272B
- Authority
- CN
- China
- Prior art keywords
- bus
- electronic module
- vehicle
- network management
- electronic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Small-Scale Networks (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention relates to a bus behavior protection method and a bus behavior protection system after a vehicle-mounted bus electronic module is restarted due to faults. The method comprises the following steps in sequence: restarting the electronic module in case of failure, namely restarting the electronic module with failure and recovering the communication with the bus; a network management request sending step, in which the electronic module broadcasts a network management request to the bus within a specified time after the electronic module recovers communication with the bus; a state information sending step, in which other electronic modules connected with the bus send the current vehicle state information to the bus according to the network management request; and a state information acquisition step, wherein the electronic module with the fault acquires the current vehicle state information from a bus. According to the invention, the problem of inconsistent bus behaviors caused by fault restart of the electronic module can be solved, and the quick recovery of the restart function of the electronic module can be realized.
Description
Technical Field
The invention relates to a vehicle control technology, in particular to a bus behavior protection method after a vehicle-mounted bus electronic module is restarted due to a fault and a bus behavior system after the vehicle-mounted bus electronic module is restarted due to the fault.
Background
At present, with the improvement of the electronization degree of the whole vehicle, the behavior of the electronic module on the vehicle-mounted bus is inconsistent with that of other electronic modules after the electronic module is restarted due to faults. At present, when the inconsistent behaviors cause potential safety hazards and troubles of users after the accidental fault restart phenomenon of an electronic module occurs in the whole vehicle communication engineering, the whole vehicle state of the action type in the industry is generally broadcasted to other electronic modules of the whole vehicle once at present, when the signals are lost due to various reasons and an electronic node receiving a new condition uses a default value area inconsistent with the current state for logic calculation, the great potential safety hazards are caused, and therefore a safe and effective mechanism is urgently needed to guarantee the safety under the extreme working condition.
The following solutions are mainly adopted in the conventional measures for solving the above problems. The electronic module sends all the states (including the whole vehicle states of the action types described above) on the vehicle-mounted bus to the bus in a periodic manner from a functional level, so that the consistency of the bus behaviors is ensured. In the solution, all vehicle states are defined as being periodically sent to the bus, and after the electronic module is restarted after a fault occurs, the electronic module CAN also synchronously receive all state information on the current bus in the next state sending period, so that the safety of the electronic module CAN be ensured.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a bus behavior protection method after a failure restart of an on-board bus electronic module, which can reduce a bus load rate and is widely applied.
The invention discloses a bus behavior protection method after restarting a vehicle-mounted bus electronic module fault, which is characterized by comprising the following steps in sequence:
restarting the electronic module in case of failure, namely restarting the electronic module with failure and recovering the communication with the bus;
a network management request sending step, in which the electronic module broadcasts a network management request to the bus within a specified time after the electronic module recovers communication with the bus;
a state information sending step, in which other electronic modules connected with the bus send the current vehicle state information to the bus according to the network management request; and
and acquiring state information, wherein the electronic module with the fault acquires the current state information of the whole vehicle from a bus.
Preferably, the specified time is within 3s after the electronic module resumes bus communication.
Preferably, in the status information sending step, the other electronic modules connected to the bus include an electronic module functionally interacting with the electronic module sending the failure.
Preferably, in the network management request sending step, the network management request refers to broadcasting a network management application request to the bus.
Preferably, the vehicle bus electronic module faults include hardware faults and software faults of the electronic module.
The invention discloses a bus behavior protection system after restarting a vehicle-mounted bus electronic module fault, which is characterized by comprising the following components:
a plurality of electronic modules disposed on a vehicle; and
a bus to which the plurality of electronic modules are connected,
the electronic module restarts after a fault occurs and broadcasts a network management request to the bus within a specified time for recovering communication with the bus, other electronic modules connected with the bus send current finished automobile state information to the bus according to the network management request, and the electronic module with the fault obtains the current finished automobile state information from the bus.
Preferably, the specified time is within 3s after the electronic module resumes bus communication.
Preferably, the other electronic modules connected to the bus comprise electronic modules functionally interacting with the malfunctioning electronic module.
Preferably, the network management request is a network management application request broadcast to the bus.
Preferably, the vehicle bus electronic module faults include hardware faults and software faults of the electronic module.
According to the method and the system for protecting the bus behavior after the vehicle-mounted bus electronic module is restarted due to the fault, the problem that the bus behavior is inconsistent after the electronic module is restarted due to the fault can be solved, and the quick recovery of the restarting function of the electronic module can be realized. Moreover, according to the invention, all the vehicle states do not need to be periodically sent to the bus from the source, so that the load rate of the bus can be greatly reduced, and the development of a framework is facilitated. Moreover, the bus behavior protection method and the bus behavior protection system after the vehicle-mounted bus electronic module is restarted due to faults do not impact the existing bus network management, only serve as a newly added function of the electronic module, and have wider application prospects. On the other hand, the current system definition does not need to be changed, the realization difficulty can be greatly reduced, and the development period can be shortened.
Drawings
Fig. 1 is a block diagram showing the configuration of a bus behavior protection system after a vehicle-mounted bus electronic module is restarted due to a fault according to the invention.
Fig. 2 is a flowchart illustrating a bus behavior protection method after a vehicle-mounted bus electronic module is restarted due to a fault according to the invention.
Detailed Description
The following description is of some of the several embodiments of the invention and is intended to provide a basic understanding of the invention. It is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
Fig. 1 is a block diagram showing the configuration of a bus behavior protection system after a vehicle-mounted bus electronic module is restarted due to a fault according to the invention. As shown in fig. 1, the bus behavior protection system after restarting the vehicle-mounted bus electronic module due to a fault includes: a plurality of electronic modules 100 and a bus 200. A plurality of electronic modules 100 are provided on the vehicle for implementing various intended functions. A plurality of electronic modules 100 are connected to the bus 200.
Fig. 2 is a flowchart illustrating a bus behavior protection method after a vehicle-mounted bus electronic module is restarted due to a fault according to the invention.
As shown in fig. 2, an embodiment of the bus behavior protection method after the vehicle-mounted bus electronic module is restarted due to a fault sequentially includes the following steps:
an electronic module fault restarting step S100, wherein the electronic module with the fault is restarted and the communication with the bus is recovered;
a network management request sending step S200, wherein the electronic module broadcasts a network management request to the bus within a specified time after the electronic module recovers the communication with the bus;
a state information sending step S300, wherein other electronic modules connected with the bus send current vehicle state information to the bus according to the network management request; and
and a state information obtaining step S400, wherein the electronic module with the fault obtains the current vehicle state information from a bus.
In the step S300 of sending the status information, the other electronic modules connected to the bus include an electronic module functionally interacting with the electronic module sending the failure.
In the network management request sending step S200, the network management request refers to broadcasting a network management application request to the bus.
Here, the on-board bus electronic module failure includes, but is not limited to, a hardware failure and a software failure of the electronic module.
In the invention, the electronic module restarts after a fault occurs and broadcasts a network management request to the bus within a specified time for recovering the communication with the bus, other electronic modules connected with the bus send the current finished automobile state information to the bus according to the network management request, and the electronic module with the fault obtains the current finished automobile state information from the bus.
The bus behavior protection method and the bus behavior protection system for the vehicle-mounted bus electronic module after the fault restart can solve the problem that the air outlet quantity of an air blower is overlarge after the automatic air conditioner of the vehicle is restarted after the power failure.
According to the bus behavior protection method and the bus behavior protection system after the vehicle-mounted bus electronic module is restarted due to faults, all vehicle states do not need to be periodically sent to the bus from the source, so that the load rate of the bus can be greatly reduced, and the development of a framework is facilitated. Moreover, the bus behavior protection method and the bus behavior protection system after the vehicle-mounted bus electronic module is restarted due to faults do not impact the existing bus network management, only serve as a newly added function of the electronic module, and have wider application prospects. On the other hand, the current system definition does not need to be changed, the realization difficulty can be greatly reduced, and the development period can be shortened.
The above examples mainly illustrate the bus behavior protection method and the bus behavior protection system after the vehicle-mounted bus electronic module is restarted due to a fault according to the present invention. Although only a few embodiments of the present invention have been described in detail, those skilled in the art will appreciate that the present invention may be embodied in many other forms without departing from the spirit or scope thereof. Accordingly, the present examples and embodiments are to be considered as illustrative and not restrictive, and various modifications and substitutions may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (10)
1. A bus behavior protection method after restarting a vehicle-mounted bus electronic module fault is characterized by comprising the following steps in sequence:
restarting the electronic module in case of failure, namely restarting the electronic module with failure and recovering the communication with the bus;
a network management request sending step, in which the electronic module broadcasts a network management request to the bus within a specified time after the electronic module recovers communication with the bus;
a state information sending step, in which other electronic modules connected with the bus send the current vehicle state information to the bus according to the network management request; and
and acquiring state information, wherein the electronic module with the fault acquires the current state information of the whole vehicle from a bus.
2. The method for bus behavior protection after a failed restart of an onboard bus electronic module according to claim 1,
the specified time is within 3s after the electronic module resumes bus communication.
3. The method for bus behavior protection after a failed restart of an onboard bus electronic module according to claim 1,
in the status information sending step, the other electronic modules connected to the bus include an electronic module that has functional interaction with the malfunctioning electronic module.
4. The method for bus behavior protection after a failed restart of an onboard bus electronic module according to claim 1,
in the network management request sending step, the network management request refers to broadcasting a network management application request to a bus.
5. The method for bus behavior protection after a failed restart of an onboard bus electronic module according to claim 1,
the vehicle-mounted bus electronic module faults comprise hardware faults and software faults of the electronic module.
6. A bus behavior protection system after restarting vehicle-mounted bus electronic module fault is characterized by comprising:
a plurality of electronic modules disposed on a vehicle; and
a bus to which the plurality of electronic modules are connected,
the electronic module restarts after a fault occurs and broadcasts a network management request to the bus within a specified time for recovering communication with the bus, other electronic modules connected with the bus send current finished automobile state information to the bus according to the network management request, and the electronic module with the fault obtains the current finished automobile state information from the bus.
7. The vehicle bus post-electronic module fault restart bus behavior protection system of claim 6,
the specified time is within 3s after the electronic module resumes bus communication.
8. The vehicle bus post-electronic module fault restart bus behavior protection system of claim 6,
the other electronic modules connected to the bus include electronic modules that functionally interact with the malfunctioning electronic module.
9. The vehicle bus post-electronic module fault restart bus behavior protection system of claim 6,
the network management request is a request for broadcasting a network management application to the bus.
10. The vehicle bus post-electronic module fault restart bus behavior protection system of claim 6,
the vehicle-mounted bus electronic module faults comprise hardware faults and software faults of the electronic module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107817.4A CN108153272B (en) | 2016-12-06 | 2016-12-06 | Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107817.4A CN108153272B (en) | 2016-12-06 | 2016-12-06 | Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108153272A CN108153272A (en) | 2018-06-12 |
| CN108153272B true CN108153272B (en) | 2020-10-23 |
Family
ID=62470882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107817.4A Active CN108153272B (en) | 2016-12-06 | 2016-12-06 | Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108153272B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237345A (en) * | 2007-12-04 | 2008-08-06 | 奇瑞汽车有限公司 | A network management method for CAN bus |
| CN102411342A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Power supply system for vehicle constant power module and control method |
| CN102801551A (en) * | 2012-03-14 | 2012-11-28 | 中国汽车技术研究中心 | Open systems and the corresponding interfaces for automotive electronics (OSEK) network management-based controller area network (CAN) management method |
| CN104102174A (en) * | 2014-06-30 | 2014-10-15 | 北京七星华创电子股份有限公司 | Method for restoring state of semiconductor equipment software after restart |
| CN104281071A (en) * | 2013-07-05 | 2015-01-14 | 广州汽车集团股份有限公司 | Method and system for starting ECU |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4811498B2 (en) * | 2009-05-29 | 2011-11-09 | 株式会社デンソー | Vehicle control device |
-
2016
- 2016-12-06 CN CN201611107817.4A patent/CN108153272B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101237345A (en) * | 2007-12-04 | 2008-08-06 | 奇瑞汽车有限公司 | A network management method for CAN bus |
| CN102411342A (en) * | 2010-09-26 | 2012-04-11 | 比亚迪股份有限公司 | Power supply system for vehicle constant power module and control method |
| CN102801551A (en) * | 2012-03-14 | 2012-11-28 | 中国汽车技术研究中心 | Open systems and the corresponding interfaces for automotive electronics (OSEK) network management-based controller area network (CAN) management method |
| CN104281071A (en) * | 2013-07-05 | 2015-01-14 | 广州汽车集团股份有限公司 | Method and system for starting ECU |
| CN104102174A (en) * | 2014-06-30 | 2014-10-15 | 北京七星华创电子股份有限公司 | Method for restoring state of semiconductor equipment software after restart |
Non-Patent Citations (1)
| Title |
|---|
| 车控室加装车站控制器重启复位按钮设计探讨;潘庆球等;《城市轨道交通研究》;20140710;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108153272A (en) | 2018-06-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE102013201596B4 (en) | METHOD FOR ERROR-DETECTING AND WEAKING-DOWN AN INAPPROPRIATE ACTIVE CONDITION OF A NETWORK OF A VEHICLE'S INCOMPATIBLE COMMUNICATION | |
| CN112004730B (en) | vehicle control device | |
| KR101393539B1 (en) | Integrated network system for vehicle | |
| CN110308732B (en) | Failure detection method of automatic driving controller and automatic driving controller | |
| US20090252045A1 (en) | Network system | |
| CN113194029B (en) | Method, system, medium, and apparatus for automatically identifying and isolating service grid sidecar faults | |
| CN113434168A (en) | Vehicle-mounted network architecture self-adaptive upgrading method based on intelligent hardware computing power | |
| WO2022095896A1 (en) | Method for managing ecu on vehicle, and ecu and readable storage medium | |
| CN108153272B (en) | Bus behavior protection method and system after vehicle-mounted bus electronic module fault restart | |
| US20160105326A1 (en) | Aircraft communications network with distributed responsibility for compatibility confirmation | |
| DE102021205925A1 (en) | SYSTEM FOR DIAGNOSTICS AN IN-WIRE CONTROL BOX OF AN ELECTRIC VEHICLE AND METHOD FOR CONTROLLING THE SAME | |
| CN104149796A (en) | MVB bus network architecture method and network structure | |
| US9323629B2 (en) | Method for managing path failures of OSEK networks | |
| CN109445421B (en) | General fault diagnosis method for vehicle electronic control unit | |
| CN102111305A (en) | Method for monitoring running state of network node in network structure of CAN | |
| CN116483649A (en) | Process monitoring method and device for passenger parking system, vehicle and storage medium | |
| JP2002044101A (en) | Node diagnostic method and node diagnostic system | |
| CN102717805B (en) | Train video monitoring system and monitoring program operation detection method thereof | |
| JP5888252B2 (en) | Vehicle communication device and information processing device | |
| CN112533173B (en) | Method for ensuring data integrity to ensure operation safety and device for vehicle-to-external information interaction | |
| CN110781019B (en) | Automobile instrument design method based on functional safety | |
| CN112799370B (en) | Control device, and vehicle-mounted system software restoration method and system | |
| CN112000078B (en) | Method for recovering state of redundancy flight control computer after fault | |
| CN111845343A (en) | Fuel oil cutting method and device, engine control module and system | |
| CN116232969B (en) | Network communication state monitoring and reporting method of network node and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |