CN116996866B - Threshold-based fusible car-end OTA upgrading method - Google Patents
Threshold-based fusible car-end OTA upgrading method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
- H04W8/24—Transfer of terminal data
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/50—Service provisioning or reconfiguring
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Abstract
The invention discloses a fusible car end OTA upgrading method based on a threshold value, which comprises the following steps: configuring a task threshold, setting a fusing condition and issuing an upgrade task; the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle; executing the upgrading task of the vehicle and reporting the upgrading state of the vehicle; comparing task threshold values according to the reported vehicle upgrading state; and when the task threshold reaches the fusing condition, terminating the upgrading task. The intelligent system monitoring upgrading state is realized by setting the threshold parameter and the fusing condition, the automatic fusing is realized, the safety accident is avoided, the free control system fusing is realized by reasonably adjusting the threshold, and the system has extremely strong expansibility.
Description
Technical Field
The invention relates to an OTA upgrading method, in particular to a threshold-based fusible car-end OTA upgrading method.
Background
An Over-the-Air Technology (OTA) is a Technology for implementing remote management of mobile terminal equipment and SIM card data through an Air interface of mobile communication, and the OTA Technology is also applied to the automotive industry and is used for implementing mass automobile upgrades.
In the process of carrying out OTA mass upgrading activities, after a system issues an OTA task, the vehicle can only wait for the cut-off of the task, and then inquire the vehicle upgrading condition of the OTA task, the automatic monitoring of task execution is not carried out, the follow-up vehicle is failed to upgrade in time, the time is wasted, and if too many parts related to the safety of the vehicle fail, larger loss is caused; if the fuse is cut off when the vehicle upgrade fails, the upgrade failure caused by the individual vehicle will affect the upgrade of all vehicles and also waste time, so an OTA upgrade method capable of automatically cutting off when the set condition is satisfied is needed.
Disclosure of Invention
In view of the problem that the conventional OTA mass upgrading process cannot be timely fused, the invention provides a threshold-based fusible OTA upgrading method, which is capable of realizing intelligent system monitoring upgrading state by setting threshold parameters and fusing conditions, realizing automatic fusing, avoiding safety accidents, realizing free control of system fusing by reasonably adjusting the threshold, and having extremely strong expansibility.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
a fusible car-end OTA upgrading method based on a threshold value comprises the following steps:
configuring a task threshold, setting a fusing condition and issuing an upgrade task;
the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle;
executing the upgrading task of the vehicle and reporting the upgrading state of the vehicle;
comparing task threshold values according to the reported vehicle upgrading state;
and when the task threshold reaches the fusing condition, terminating the upgrading task.
According to one aspect of the present invention, before the task configuring threshold, the fusing condition is set, and the upgrade task is issued, the method further includes: and selecting an upgrade task, and acquiring the name and ID of the upgrade task.
According to one aspect of the invention, the configuring the task threshold, setting the fusing condition includes:
defining threshold parameters for parts of the automobile;
configuring a threshold formula according to the threshold parameters;
and setting a fusing condition, and enabling the threshold value to be effective when the fusing condition is met.
According to one aspect of the invention, the configuring the threshold formula according to the threshold parameter comprises: the defined threshold parameters are combined with operators and a threshold formula is configured according to the characteristics of the vehicle part.
According to one aspect of the invention, the setting the fusing condition includes: and using and or as trigger condition of fusing condition.
According to one aspect of the invention, the vehicle upgrade status includes:
the vehicle is successfully upgraded, and the upgrade state is reported as successful;
and the vehicle upgrade fails, and the upgrade state is reported as failure.
According to one aspect of the invention, when the upgrade status is not successfully reported, reporting the status again until the upgrade status is successfully reported, and if the upgrade status cannot be successfully reported, performing manual processing.
According to one aspect of the invention, the task threshold comparison according to the reported vehicle upgrade status includes: according to the upgrade state of the failed vehicle, traversing the state parameters of all parts of the upgrade task, comparing the state parameters with the threshold parameters, and judging whether the state parameters meet the threshold parameters or not.
According to one aspect of the invention, the status parameters include a task ID, a vehicle VIN, a vehicle upgrade status, and a vehicle status report status.
According to one aspect of the invention, if the part status parameter meets the threshold parameter, the upgrade task is blown, i.e., the vehicle upgrade task is terminated, and manual processing is performed.
The implementation of the invention has the advantages that: the invention discloses a fusible car end OTA upgrading method based on a threshold value, which comprises the following steps: configuring a task threshold, setting a fusing condition and issuing an upgrade task; the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle; executing the upgrading task of the vehicle and reporting the upgrading state of the vehicle; comparing task threshold values according to the reported vehicle upgrading state; and when the task threshold reaches the fusing condition, terminating the upgrading task. The intelligent system monitoring upgrading state is realized by setting the threshold parameter and the fusing condition, the automatic fusing is realized, the safety accident is avoided, the free control system fusing is realized by reasonably adjusting the threshold, and the system has extremely strong expansibility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, a method for upgrading a fusible car end OTA based on a threshold includes the following steps:
step S1: selecting an upgrade task, and acquiring the name and ID of the upgrade task;
in practical application, the vehicle-end OTA upgrading method is realized through an OTA upgrading system connected with the vehicle end, an upgrading task is selected from the system, and a task name and a task ID are acquired through the system.
In practical application, before selecting the upgrade task, the method further comprises: by matching the vehicle identification code with the upgrade task, the vehicle identification code is VIN code, different vehicle identification codes correspond to different vehicle types, and the upgrade task is also different, for example, the correspondence between the vehicle identification code and the upgrade task, the vehicle types can refer to table 1,
table 1: VIN code corresponding vehicle type and upgrading task list
Step S2: configuring a task threshold, setting a fusing condition and issuing an upgrade task;
configuring the task threshold includes: defining a threshold parameter for a part of the automobile, and configuring a threshold formula according to the threshold parameter;
in practical application, the configuration task threshold generates a configuration file, and the configuration file is uploaded to a system for storage.
In practical application, the automobile parts are all parts related to ECU in the upgrading of automobile OTA, including video entertainment domain controller, blind area monitoring system module assembly and central gateway, etc., the upgrading task corresponds to the automobile parts, each part also has respective part number, the corresponding relation between part name and upgrading task can refer to table 2,
table 2: correspondence table for part name upgrading task
In practical applications, the defined threshold parameters are combined with operators, and the threshold formulas are configured according to the characteristics of the vehicle parts, for example: error information with serious abnormal level of the part represented by E1 and error information with ordinary abnormal level of the part represented by E2 are used, symbols such as < >, =,.ltoreq.and more are used, and a threshold formula is flexibly configured through preset threshold parameters and operators.
In practical applications, the terms used for the threshold formula configuration are as follows:
task_name: representing a "task name";
task_record: representing "task blown", a value of "01" representing blown; "02" represents normal execution tasks;
ecu_name: representing "part name";
ecu_error_type: representing an "error type";
ecu_error_num: representing the "number of failures under error type".
In practical applications, setting the fusing condition includes: and setting a fusing condition, wherein the threshold value is effective when the fusing condition is met, and the fusing condition and the fusing threshold value are set by staff according to actual requirements and are related to the types of the automobile parts.
In practical application, when the threshold parameter meets the fusing condition, the threshold takes effect, the upgrading task is terminated, when the threshold parameter does not meet the fusing condition, the threshold does not take effect, the upgrading task continues, and the fusing condition supports the use of triggering conditions such as an and or.
Wherein, and indicates that error_event needs to be satisfied at the same time, and then fusing is triggered; or indicates that either error_event is satisfied, and immediately triggers fusing, the following formula can be used specifically:
fusing condition 1=failure to detect or download or installation or incomplete or up-dated precondition is not satisfied;
for example, if the fusing condition a is configured as "audio/video entertainment domain controller" and the fusing value of "vehicle upgrade failure" is set to 3 times, the threshold formula is:
(task_function= "01") = (task_name= "market OTA upgrade task 354") and (ecu_name) = "video entertainment domain controller") and-;
The formula represents that in the market OTA upgrade task 354, when the number of vehicles failed to upgrade by the video-audio entertainment domain controller reaches 3, the task type is 01, namely, fusing is triggered.
The fusing condition b is configured to be that the fusing value of the 'dead zone monitoring system main module assembly' under the 'installation precondition is not satisfied' of the 'dead zone monitoring system main module assembly' is set to be 2 times, and then the threshold formula is as follows:
(task_function= "01") = (task_name= "market OTA upgrade task 354") and (ecu_name) = "dead zone monitoring system master module assembly") and (installation preconditions are not satisfied) and (ecu_error_num ≡2 or more ") ;
The formula represents that in the market OTA upgrade task 354, the error type of the main module assembly of the blind area monitoring system is that the installation precondition of the installation is not satisfied, and the number of vehicles with the unsatisfied installation precondition is up to 2, and the task type is 01, namely, the fusing is triggered.
In addition, the fusing condition can be modified according to the actual situation, if the fusing condition c is configured as "any part" and the fusing threshold value of "the installation precondition is not satisfied" is set as 2, the threshold value formula is:
(task_function= "01") = (task_name= "market OTA upgrade task 354") and install preamble Not satisfied) and (ecu_error_num ≡2 or more);
The formula represents that in the market OTA upgrade task 354, the error type of any part is that the installation precondition of the installation is not satisfied, and the number of parts that the installation precondition is not satisfied is up to 2, and the task type is 01, namely, the fusing is triggered.
Fusing condition 1 may be configured to:
fusing condition 1=fusing condition a or fusing condition b, meaning that fusing condition 1 is triggered whenever either fusing condition a or fusing condition b is triggered.
Fusing condition 2 = undetected and detection failure and download failure and installation incomplete and upgrade precondition is not satisfied.
Fusing condition 2 may be configured to:
fusing condition 2=fusing condition a and fusing condition b, meaning that fusing condition 2 will be triggered only if fusing condition a and fusing condition b are triggered simultaneously.
Step S3: the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle;
in practical application, the OTA upgrading system acquires version information of the vehicle, particularly version information of the vehicle ECU, and the system matches upgrading tasks for the vehicle according to the version information of the vehicle.
In practical application, the OTA upgrade system can also actively push upgrade tasks periodically to upgrade the vehicle.
Step S4: executing the upgrading task of the vehicle and reporting the upgrading state of the vehicle;
in practical applications, the vehicle upgrade status includes:
the vehicle is successfully upgraded, and the upgrade state is reported as successful;
and the vehicle upgrade fails, and the upgrade state is reported as failure.
In practical application, when the upgrade state is not successfully reported, reporting the state again until the upgrade state is successfully reported, and if the upgrade state cannot be successfully reported, performing manual processing.
Step S5: comparing task threshold values according to the reported vehicle upgrading state;
in practical application, according to the upgrade state of the failed vehicle, state parameters of all parts of the upgrade task are traversed, and the state parameters are used for comparison with the threshold parameters.
In practical applications, the status parameters include task ID, vehicle VIN, vehicle upgrade status, and vehicle status report status.
In this embodiment, when the fusing is triggered, the profile description table is shown in table 3:
table 3: configuration file description table
In this embodiment, the battery management system error is at a severity level (E1) and when the error reaches a threshold (5 times) during an OTA upgrade of the part, a fuse is triggered.
Step S6: and when the task threshold reaches the fusing condition, terminating the upgrading task.
If the state parameters of the parts meet the threshold parameters, fusing the upgrading task, namely terminating the automobile upgrading task, and performing manual processing.
In practical applications, after the OTA upgrade task fails, a failure list is downloaded, for example, table 4 is the OTA upgrade failure list.
Table 4: OTA upgrade failure manifest
In practical applications, the diagnostic ID of a part represents the physical address of the part, and a failed part can be quickly found according to the diagnostic ID.
In practical application, the platform is pre-configured with a threshold value, the failure cause can also be one of threshold value types, the vehicle end acquires the failure cause of the OTA upgrading of the part according to the diagnosis ID, and the platform is reported at the same time, and when the threshold value is reached, the platform triggers fusing.
The implementation of the invention has the advantages that: the invention discloses a fusible car end OTA upgrading method based on a threshold value, which comprises the following steps: configuring a task threshold, setting a fusing condition and issuing an upgrade task; the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle; executing the upgrading task of the vehicle and reporting the upgrading state of the vehicle; comparing task threshold values according to the reported vehicle upgrading state; and when the task threshold reaches the fusing condition, terminating the upgrading task. The intelligent system monitoring upgrading state is realized by setting the threshold parameter and the fusing condition, the automatic fusing is realized, the safety accident is avoided, the free control system fusing is realized by reasonably adjusting the threshold, and the system has extremely strong expansibility.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. The fusible car-end OTA upgrading method based on the threshold value is characterized by comprising the following steps of:
selecting an upgrade task, and acquiring the name and ID of the upgrade task;
configuring a task threshold, setting a fusing condition, and issuing an upgrade task, wherein the setting of the fusing condition comprises limiting threshold parameters for parts of an automobile, combining the limiting threshold parameters with operators, configuring a threshold formula according to the characteristics of the parts of the automobile, setting the fusing condition, and enabling the threshold to be effective when the fusing condition is met;
the method comprises the steps of obtaining version information of a vehicle and matching an upgrading task for the vehicle;
executing an upgrade task of a vehicle and reporting a vehicle upgrade state, wherein the vehicle upgrade state comprises: the vehicle is successfully upgraded, and the upgrade state is reported as successful; the vehicle upgrade fails, and the upgrade state is reported as failure; when the upgrade state is not successfully reported, reporting the state again until the upgrade state is successfully reported, and if the upgrade state cannot be successfully reported, performing manual processing;
and comparing task threshold values according to the reported vehicle upgrading state, wherein the task threshold values comprise: traversing the state parameters of all parts of the upgrading task according to the upgrading state of the failed vehicle, comparing the state parameters with the threshold parameters, and judging whether the state parameters meet the threshold parameters or not;
and when the task threshold reaches the fusing condition, terminating the upgrading task.
2. The threshold-based fusible car-end OTA upgrade method of claim 1 wherein the setting a fusing condition comprises: and using and or as trigger condition of fusing condition.
3. The threshold-based fusible car-end OTA upgrade method of claim 1 wherein the status parameters include a task ID, a vehicle VIN, a vehicle upgrade condition, and a vehicle status report condition.
4. The threshold-based fusible car-end OTA upgrade method of claim 1 wherein if the part status parameter meets the threshold parameter, fusing the upgrade task and performing manual processing.
5. The threshold-based fusible car-end OTA upgrade method of claim 1, further comprising: and configuring a threshold formula according to the upgrade failure reason, setting a fusing condition, and enabling the threshold to be effective when the fusing condition is met.
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