CN113997886B - Remote diagnosis method for abnormal unlocking of vehicle door based on TBOX - Google Patents
Remote diagnosis method for abnormal unlocking of vehicle door based on TBOX Download PDFInfo
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- CN113997886B CN113997886B CN202111330105.XA CN202111330105A CN113997886B CN 113997886 B CN113997886 B CN 113997886B CN 202111330105 A CN202111330105 A CN 202111330105A CN 113997886 B CN113997886 B CN 113997886B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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Abstract
The invention provides a remote diagnosis method for abnormal unlocking of a vehicle door based on TBOX, which is used for communication processing of remote diagnosis information, uploading needed signals to a cloud for remote inquiry, and uploading state words and corresponding time stamps of the signals to the cloud for remote inquiry when state signals, remote unlocking signals, mechanical unlocking signals, central unlocking signals and remote unlocking feedback signals of all vehicle door locks are effectively triggered; the door module sends out an unlocking request signal of the mechanical lock core, namely a mechanical unlocking signal, and an unlocking door request signal of the central control unlocking switch, namely a central control unlocking signal, so as to be used for fault diagnosis of a vehicle body controller BCM; the vehicle body controller BCM analyzes the generated reasons and stores corresponding information according to the received different unlocking signals and the change of the state signals of each vehicle door lock, and remotely reads the state through the TBOX; based on the existing vehicle equipment, the remote diagnosis method for abnormal unlocking of the vehicle door can be rapidly realized, and the satisfaction degree of a user can be improved.
Description
Technical Field
The invention belongs to the field of vehicle control and fault diagnosis, and particularly relates to a remote diagnosis method for abnormal unlocking of a vehicle door based on TBOX.
Background
Along with the increase of the sales volume of automobiles, the solving speed and accuracy of after-sales problems are critical, engineers are required to be dispatched to the site to check the after-sales problems before, many problems are required to be locked after faults are repeated, time is wasted, and user satisfaction is not high. With the popularity of TBOX, diagnosing faults by remote means is an inevitable trend. In the after-sales problem, the complaint rate of abnormal unlocking of the vehicle is extremely high, and the problem of abnormal unlocking of the vehicle door is mainly analyzed on site by a vehicle enterprise at present, so that the problem investigation efficiency is low.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides a remote diagnosis method for abnormal unlocking of a vehicle door based on TBOX, which can remotely determine the reason as long as an abnormality occurs once, improves the problem investigation efficiency and improves the user satisfaction.
The invention is realized by adopting the following technical scheme:
the remote diagnosis method for abnormal unlocking of the vehicle door based on the TBOX is characterized in that the TBOX, a door module and a vehicle body controller BCM are used for communication processing of remote diagnosis information, a required signal is uploaded to a cloud end for remote inquiry, and when each vehicle door lock state signal, a remote unlocking signal, a mechanical unlocking signal, a central unlocking signal and a remote unlocking signal are effectively triggered, the vehicle body controller BCM comprehensively processes the signals and corresponding time information and performs fault diagnosis; the vehicle body controller BCM analyzes and processes the generated reasons and stores corresponding information according to the received different unlocking signals and the change of the state signals of the vehicle door locks, and remotely reads the state through the TBOX;
when the whole vehicle network is changed from sleep to wake-up, the vehicle body controller BCM continuously monitors the following signals for 5 seconds, wherein the signals comprise a mechanical unlocking signal, a remote unlocking signal, a central unlocking signal, a remote unlocking signal and state signals of all vehicle door locks, and the signals and the time information are stored in the following tables 1 and 2 correspondingly:
table 1 unlock request status word un lockrequestword
The above bytes are recorded in order of UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2, unlockRequestWord_Byte3, unlockRequestWord_Byte4, unlockRequestWord_Byte5, unlockRequestWord_Byte6 and UnlockRequestWord_Byte7, when any one of UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2 and UnlockRequestWord_Byte3 is changed from 0x00 to 0x01, the unlock request state represented by the byte is "unlock", the system time is recorded into UnlockRequestWord_byte4, unlockRequestWord_byte5, unlockRequestWord_byte6 and UnlockRequestWord_byte7, wherein UnlockRequestWord_byte4 is date, unlockRequestWord_byte5 is hour, unlockRequestWord_byte6 is minute, unlockRequestWord_byte7 is second, and the variable UnlockSet=1 is set;
TABLE 2 door Lock status words DoorLockStword for each vehicle
The bytes are recorded as DoorLockStword_Byte0, doorLockStword_Byte1, doorLockStword_Byte2, doorLockStword_Byte3, doorLockStword_Byte4, doorLockStword_Byte5, doorLockStword_Byte6 and DoorLockStword_Byte7 in sequence, when any one of the bytes in DoorLockStword_Byte0, doorLockStword_Byte1, doorLockStword_Byte2 and DoorLockStword_Byte3 is changed from 0x00 to 0x01, the state representing the byte is "unlocked", and the body controller BCM records the system time to the DoorLockStword_Byte4, doorLockStword_Byte5, doorLockword_Stword_6 and DoorLockStword_Byte7, wherein the state represented by the byte is the state of "unlocked", and the state represented by the byte is the state of DoorLockStword_Byte is the DoorLockword_Byte 4, and the state represented by the state is the DoorLockStword_Byte4, and the state is the state of DoorLockStword_Byte 4;
when the body controller BCM detects that any byte of the doolockstword_byte 0, the doolockstword_byte 1, the doolockstword_byte 2 and the doolockstword_byte 3 is changed from 0x00 to 0x01 within 5 seconds after waking up, the body controller BCM inquires the record state of the unclockrequest word within 5 seconds, if the inquired time of the unclockset= 1 is compared with the time of the doolockstword record, if the unclockrequest word occurs first, the corresponding time of the unclockrequest word_byte0, the unclockrequest word_byte1, the unclockrequest word_byte2 and the unclockrequest word_byte3 are determined to be 0x01, and the corresponding time of the unclockrequest word_byte3 is stored in the following specific feedback word=0;
TABLE 3 fault feedback word ErrorFeedbackword
Wherein, errorFeedbackWordByte 4 is date, errorFeedbackWordByte 5 is hour, errorFeedbackWordByte 6 is minute, errorFeedbackWordByte 7 is second; when the body controller BCM detects that any byte in the ErrorFeedbackword_Byte0, errorFeedbackword_Byte1, errorFeedbackword_Byte2 and ErrorFeedbackword_Byte3 is not zero, uploading the fault feedback word to the TBOX, and uploading the fault feedback word to the cloud end by the TBOX for remote inquiry;
after the body controller BCM is uploaded to the TBOX, the ErrorFeedbackword is cleared.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a remote diagnosis method for abnormal unlocking of a vehicle door based on TBOX, which uses a TBOX, a door module and a vehicle body controller BCM, wherein the TBOX is responsible for communication processing of remote diagnosis information, a required signal is uploaded to a cloud for remote inquiry, and when a state signal, a remote unlocking signal, a mechanical unlocking signal, a central unlocking signal and a remote unlocking feedback signal of each vehicle door lock are effectively triggered, the TBOX uploads a state word and a corresponding timestamp of the signal to the cloud for remote inquiry; the door module sends out an unlocking request signal of the mechanical lock core, namely a mechanical unlocking signal, and an unlocking door request signal of the central control unlocking switch, namely a central control unlocking signal, so as to be used for fault diagnosis of a vehicle body controller BCM; the vehicle body controller BCM analyzes and processes the generated reasons and stores corresponding information according to the received different unlocking signals and the change of the state signals of the vehicle door locks, and remotely reads the state through the TBOX; based on the existing vehicle equipment, the remote diagnosis method for abnormal unlocking of the vehicle door can be rapidly realized, and the satisfaction degree of a user can be improved.
Detailed Description
A remote diagnosis method for abnormal unlocking of a vehicle door based on TBOX (tunnel boring machine) comprises the steps of using a TBOX, a door module and a vehicle body controller BCM, wherein the TBOX is responsible for communication processing of remote diagnosis information, uploading needed signals to a cloud for remote inquiry, and jumping a signal state from invalid to valid when a door lock state signal, a remote unlocking signal, a mechanical unlocking signal, a central unlocking signal and a remote unlocking signal are effectively triggered, and comprehensively processing the signals and corresponding time information by the vehicle body controller BCM for fault diagnosis; the vehicle body controller BCM analyzes and processes the generated reasons and stores corresponding information according to the received different unlocking signals and the change of the state signals of the vehicle door locks, and remotely reads the state through the TBOX;
when the whole vehicle network is changed from sleep to wake-up, the vehicle body controller BCM continuously monitors the following signals for 5 seconds, wherein the signals comprise a mechanical unlocking signal, a remote unlocking signal, a central unlocking signal, a remote unlocking signal and state signals of all vehicle door locks, and the signals and the time information are stored in the following tables 1 and 2 correspondingly:
table 1 unlock request status word un lockrequestword
Each byte is recorded as an UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2, unlockRequestWord_Byte3, unlockRequestWord_Byte4, unlockRequestWord_Byte5, unlockRequestWord_Byte6 and UnlockRequestWord_Byte7 in sequence, when any one byte in UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2 and UnlockRequestWord_Byte3 is changed from 0x00 to 0x01, the unlocking request state represented by the byte is represented as "unlocking", and the system time is recorded to UnlockRequestWord_Word_4, unlockRequestWord_Byte6 and UnlockRequestWord_Byte7, and UnlockRequestWord_Byte=5;
TABLE 2 door Lock status words DoorLockStword for each vehicle
The bytes are recorded as the DoorLockStword_Byte0, the DoorLockStword_Byte1, the DoorLockStword_Byte2, the DoorLockStword_Byte3, the DoorLockStword_Byte4, the DoorLockStword_Byte5, the DoorLockStword_Byte6 and the DoorLockStword_Byte7 in sequence, when any one of the DoorLockStword_Byte0, the DoorLockStword_Byte1, the DoorLockStword_Byte2 and the DoorLockStword_Byte3 is changed from 0x00 to 0x01, the state represented by the bytes is represented as 'unlock', and the body controller BCM records the system time into the DoorLockStword_Byte4, the DoorLockStword_Byte5, the DoorLockword_Stword_Byte 6 and the DoorLockword_Byte 7;
when the body controller BCM detects that any byte of the doolockstword_byte 0, the doolockstword_byte 1, the doolockstword_byte 2 and the doolockstword_byte 3 is changed from 0x00 to 0x01 within 5 seconds after waking up, the body controller BCM inquires the record state of the unclockrequest word within 5 seconds, if the inquired time of the unclockset= 1 is compared with the time of the doolockstword record, if the unclockrequest word occurs first, the corresponding time of the unclockrequest word_byte0, the unclockrequest word_byte1, the unclockrequest word_byte2 and the unclockrequest word_byte3 are determined to be 0x01, and the corresponding time of the unclockrequest word_byte3 is stored in the following specific feedback word=0;
TABLE 3 fault feedback word ErrorFeedbackword
Wherein, errorFeedbackWordByte 4 is date, errorFeedbackWordByte 5 is hour, errorFeedbackWordByte 6 is minute, errorFeedbackWordByte 7 is second; for example:
when the BCM determines that the door is unlocked by mechanical unlocking, the error feed backword becomes 01 00 00 00xx xx xx xx (where xxxxxxxx represents time information, date, hour, minute, second in order from front to back).
When the BCM determines that the door is unlocked by remote unlocking, the error feed backword becomes 00 01 00 00xx xx xx xx (where xxxxxxxx represents time information, date, hour, minute, second in order from front to back).
When the BCM determines that the door is unlocked by the center unlock, the error feed backword becomes 00 00 01 00xx xx xx xx (where xxxxxxxxxx represents time information, date, hour, minute, second in order from front to back).
When the BCM determines that the door is unlocked by remote unlocking, the error feed backword becomes 00 00 00 01xx xx xx xx (where xxxxxxxx represents time information, date, hour, minute, second in order from front to back).
When the body controller BCM detects that any byte in the ErrorFeedbackword_Byte0, errorFeedbackword_Byte1, errorFeedbackword_Byte2 and ErrorFeedbackword_Byte3 is not zero, uploading the fault feedback word to the TBOX, and uploading the fault feedback word to the cloud end by the TBOX for remote inquiry; after the body controller BCM is uploaded to the TBOX, the fault feedback word ErrorFeedbackword is cleared.
Claims (1)
1. The remote diagnosis method for abnormal unlocking of the vehicle door based on the TBOX is characterized in that the TBOX, a door module and a vehicle body controller BCM are used for communication processing of remote diagnosis information, a required signal is uploaded to a cloud end for remote inquiry, and when each vehicle door lock state signal, a remote unlocking signal, a mechanical unlocking signal, a central unlocking signal and a remote unlocking signal are effectively triggered, the vehicle body controller BCM comprehensively processes the signals and corresponding time information and performs fault diagnosis; the vehicle body controller BCM analyzes and processes the generated reasons and stores corresponding information according to the received different unlocking signals and the change of the state signals of the vehicle door locks, and remotely reads the state through the TBOX;
when the whole vehicle network is changed from sleep to wake-up, the vehicle body controller BCM continuously monitors the following signals for 5 seconds, wherein the signals comprise a mechanical unlocking signal, a remote unlocking signal, a central unlocking signal, a remote unlocking signal and state signals of all vehicle door locks, and the signals and the time information are stored in the following tables 1 and 2 correspondingly:
table 1 unlock request status word un lockrequestword
The above bytes are recorded in order of UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2, unlockRequestWord_Byte3, unlockRequestWord_Byte4, unlockRequestWord_Byte5, unlockRequestWord_Byte6 and UnlockRequestWord_Byte7, when any one of UnlockRequestWord_Byte0, unlockRequestWord_Byte1, unlockRequestWord_Byte2 and UnlockRequestWord_Byte3 is changed from 0x00 to 0x01, the unlock request state represented by the byte is "unlock", the system time is recorded into UnlockRequestWord_byte4, unlockRequestWord_byte5, unlockRequestWord_byte6 and UnlockRequestWord_byte7, wherein UnlockRequestWord_byte4 is date, unlockRequestWord_byte5 is hour, unlockRequestWord_byte6 is minute, unlockRequestWord_byte7 is second, and the variable UnlockSet=1 is set;
TABLE 2 door Lock status words DoorLockStword for each vehicle
The bytes are recorded as DoorLockStword_Byte0, doorLockStword_Byte1, doorLockStword_Byte2, doorLockStword_Byte3, doorLockStword_Byte4, doorLockStword_Byte5, doorLockStword_Byte6 and DoorLockStword_Byte7 in sequence, when any one of the bytes in DoorLockStword_Byte0, doorLockStword_Byte1, doorLockStword_Byte2 and DoorLockStword_Byte3 is changed from 0x00 to 0x01, the state representing the byte is "unlocked", and the body controller BCM records the system time to the DoorLockStword_Byte4, doorLockStword_Byte5, doorLockword_Stword_6 and DoorLockStword_Byte7, wherein the state represented by the byte is the state of "unlocked", and the state represented by the byte is the state of DoorLockStword_Byte is the DoorLockword_Byte 4, and the state represented by the state is the DoorLockStword_Byte4, and the state is the state of DoorLockStword_Byte 4;
when the body controller BCM detects that any byte of the doolockstword_byte 0, the doolockstword_byte 1, the doolockstword_byte 2 and the doolockstword_byte 3 is changed from 0x00 to 0x01 within 5 seconds after waking up, the body controller BCM inquires the record state of the unclockrequest word within 5 seconds, if the inquired time of the unclockset= 1 is compared with the time of the doolockstword record, if the unclockrequest word occurs first, the corresponding time of the unclockrequest word_byte0, the unclockrequest word_byte1, the unclockrequest word_byte2 and the unclockrequest word_byte3 are determined to be 0x01, and the corresponding time of the unclockrequest word_byte3 is stored in the following specific feedback word=0;
TABLE 3 fault feedback word ErrorFeedbackword
Wherein, errorFeedbackWordByte 4 is date, errorFeedbackWordByte 5 is hour, errorFeedbackWordByte 6 is minute, errorFeedbackWordByte 7 is second; when the body controller BCM detects that any byte in the ErrorFeedbackword_Byte0, errorFeedbackword_Byte1, errorFeedbackword_Byte2 and ErrorFeedbackword_Byte3 is not zero, uploading the fault feedback word to the TBOX, and uploading the fault feedback word to the cloud end by the TBOX for remote inquiry;
after the body controller BCM is uploaded to the TBOX, the fault feedback word ErrorFeedbackword is cleared.
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| CN115123142B (en) * | 2022-06-01 | 2023-07-07 | 东风柳州汽车有限公司 | Anti-misoperation unlocking control method and system for vehicle door |
| CN115442767B (en) * | 2022-11-08 | 2023-03-24 | 上海银基信息安全技术股份有限公司 | Vehicle control event correlation method, device, system and medium |
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