CN113050600A - Offline detection method and device for vehicle controller - Google Patents

Offline detection method and device for vehicle controller Download PDF

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Publication number
CN113050600A
CN113050600A CN202110292680.9A CN202110292680A CN113050600A CN 113050600 A CN113050600 A CN 113050600A CN 202110292680 A CN202110292680 A CN 202110292680A CN 113050600 A CN113050600 A CN 113050600A
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Prior art keywords
writing
information
identification information
vehicle
configuration information
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CN202110292680.9A
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Chinese (zh)
Inventor
方祥建
尤庆伸
陈信强
肖小城
梁长飞
孔令静
盛亚楠
沙文瀚
胡文超
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Chery New Energy Automobile Co Ltd
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Chery New Energy Automobile Co Ltd
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Priority to CN202110292680.9A priority Critical patent/CN113050600A/en
Publication of CN113050600A publication Critical patent/CN113050600A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular 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
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/20Pc systems
    • G05B2219/24Pc safety
    • G05B2219/24065Real time diagnostics

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Traffic Control Systems (AREA)

Abstract

The application discloses offline detection method and device for a vehicle controller, wherein the method comprises the following steps: writing identity identification information of the whole vehicle controller; writing configuration information corresponding to the vehicle control unit according to the identity identification information, and calibrating a gradient value of the vehicle control unit; and detecting whether fault information exists after the fault information of the detection report is cleared, and judging that the finished automobile fault controller is qualified after the fault information does not exist and the identity identification information, the configuration information and the gradient value all accord with the qualified conditions. Therefore, the problem that detection contents are greatly different due to the fact that products of companies are different in intelligence and VCU control capacity and assumed tasks are slightly in and out is solved, and accordingly offline stability and normal use of functions of the whole vehicle controller are guaranteed.

Description

Offline detection method and device for vehicle controller
Technical Field
The application relates to the technical field of vehicles, in particular to an offline detection method and device for a vehicle controller.
Background
A Vehicle Control Unit (VCU) is used as a central control unit of a new energy Vehicle, is the core of the whole control system, and is mainly used for coordinating and controlling a Vehicle power system and clearing and reading fault codes recorded by a controller.
However, the offline of the vehicle controller of the electric vehicle is different in product intelligence and VCU control capability of each company, and the assumed tasks are slightly different, so that the detection contents are greatly different, and a solution is urgently needed.
Content of application
The application provides an offline detection method and device for a vehicle controller, which are used for solving the problem that detection contents are greatly different due to the fact that products of companies are different in intelligence and VCU control capacity and assumed tasks are slightly in and out, and accordingly stability and normal use of functions of offline of the vehicle controller are guaranteed.
An embodiment of a first aspect of the present application provides an offline detection method for a vehicle controller, including the following steps:
writing identity identification information of the whole vehicle controller;
writing configuration information corresponding to the vehicle control unit according to the identity identification information, and calibrating a gradient value of the vehicle control unit; and
and detecting whether fault information exists after the fault information of the detection report is cleared, and judging that the finished automobile fault controller is qualified after the identity identification information, the configuration information and the gradient value meet the qualified conditions when the fault information does not exist.
Optionally, the writing of the identification information of the vehicle control unit includes:
scanning vehicle frame number information of a vehicle to obtain the identity identification information;
writing the identification information and judging whether the written identification information is successful;
and if the first writing times are greater than the first preset times, judging that the writing of the identification information fails.
Optionally, the writing of the identification information of the vehicle control unit further includes:
reading the written identity information;
detecting whether the written identity information is consistent with the identity information;
when the inconsistency is detected, it is determined that the writing of the identification information has failed.
Optionally, the writing of the configuration information corresponding to the vehicle control unit according to the identification information includes:
scanning configuration information of the vehicle;
writing the configuration information into the vehicle control unit, and judging whether the written configuration information is successful;
and if the configuration information is unsuccessful, sending a second re-writing instruction, and judging whether the second writing times are greater than a second preset time, so as to judge that the configuration information is failed to be written when the second writing times are greater than the preset second time.
Optionally, the writing of the configuration information corresponding to the vehicle control unit according to the identification information further includes:
reading the written configuration information;
detecting whether the written configuration information is consistent with the configuration information;
when the inconsistency is detected, it is determined that the configuration information write has failed.
Optionally, the calibrating the gradient value of the vehicle control unit includes:
after controlling the vehicle to run to the horizontal ground, acquiring a slope value basis of the vehicle level;
and calibrating based on the slope value basis according to the received calibration command, and judging that the calibration is successful after the calibration state is successful.
Optionally, before writing the configuration information corresponding to the vehicle control unit according to the identification information and calibrating the gradient value of the vehicle control unit, the method further includes:
sending a safety verification instruction;
and executing the next detection action after the safety verification is passed within the preset verification times or the preset verification duration.
An embodiment of a second aspect of the present application provides an offline detection device for a vehicle controller, including:
the writing module is used for writing the identity identification information of the whole vehicle controller;
the calibration module is used for writing configuration information corresponding to the vehicle control unit according to the identity information and calibrating the gradient value of the vehicle control unit; and
and the judging module is used for detecting whether fault information exists after the fault information of the detection report is cleared, judging whether the finished automobile fault controller is qualified after the fault information does not exist and the identity identification information, the configuration information and the gradient value meet the qualified conditions.
Optionally, the writing module includes:
the acquisition unit is used for scanning the vehicle frame number information of the vehicle to obtain the identity identification information;
the judging unit is used for writing the identity identification information and judging whether the written identity identification information is successful or not;
and the first judging unit is used for sending a first rewriting instruction if the first rewriting instruction is unsuccessful, judging whether the first writing times are greater than a first preset time, and judging that the writing of the identification information fails when the first writing times are greater than the first preset time.
Optionally, the writing module further includes:
the reading unit is used for reading the written identification information;
the detection module is used for detecting whether the written identity information is consistent with the identity information;
and a second determination unit configured to determine that the writing of the identification information has failed when the inconsistency is detected.
Therefore, the identity identification information of the whole vehicle controller can be written in, the configuration information corresponding to the whole vehicle controller can be written in according to the identity identification information, the gradient value of the whole vehicle controller is calibrated, whether the fault information exists after the fault information of the detection report is cleared is detected, and after the condition that the fault information does not exist and the identity identification information, the configuration information and the gradient value meet the qualified conditions is detected, the problem that the detection content is greatly different due to the fact that products of various companies are different in intelligence and different in VCU control capacity and the assumed tasks are slightly in and out is solved, and the stability and the function normal use of the whole vehicle controller are guaranteed.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart of an offline detection method for a vehicle controller according to an embodiment of the present application;
FIG. 2 is an exemplary illustration of a frame number written to a vehicle control unit in accordance with one embodiment of the present application;
FIG. 3 is a flowchart illustrating a process for writing configuration information into a vehicle control unit according to an embodiment of the present disclosure;
FIG. 4 is a flow chart of vehicle control unit slope value calibration according to an embodiment of the present application;
FIG. 5 is a flowchart illustrating a method for determining whether a vehicle fault controller is offline qualified according to an embodiment of the present application;
fig. 6 is an exemplary diagram of an offline detection device of a vehicle control unit according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The following describes an offline detection method and an offline detection device for a vehicle controller according to an embodiment of the present application with reference to the accompanying drawings. Aiming at the problems that the detection contents are greatly different due to different product intelligence and VCU control capability of each company and slight in and out of undertaken tasks, the application provides an offline detection method of a vehicle controller, in the method, identity identification information of the vehicle controller can be written, configuration information corresponding to the vehicle controller is written according to the identity identification information, the slope value of the vehicle controller is calibrated, whether fault information exists after the fault information of a detection report is cleared, and the offline of the vehicle fault controller is judged to be qualified after the identity identification information, the configuration information and the slope value are in accordance with qualified conditions, so that the problems that the detection contents are greatly different due to slight in and out of undertaken tasks due to different product intelligence and different VCU control capability of each company are solved, therefore, the stability and the normal use of the function of the offline of the vehicle controller are ensured.
Specifically, fig. 1 is a schematic flow chart of an offline detection method of a vehicle controller according to an embodiment of the present application.
As shown in fig. 1, the offline detection method of the vehicle controller comprises the following steps:
in step S101, the identification information of the vehicle control unit is written.
Optionally, in some embodiments, writing the identification information of the vehicle controller includes: scanning vehicle frame number information of a vehicle to obtain identity identification information; writing identity identification information and judging whether the written identity identification information is successful or not; and if the first writing times are greater than the first preset times, judging that the writing of the identification information fails.
Optionally, in some embodiments, writing the identification information of the vehicle controller further includes: reading the written identity information; detecting whether the written identity information is consistent with the identity information; when the inconsistency is detected, it is determined that the writing of the identification information has failed.
Specifically, when configuration information of the electronic parking controller of the automobile is written, the detection device of the host factory needs to establish communication with a vehicle carrying the VCU through an OBD (On-Board Diagnostics) interface, and the vehicle is powered On.
Specifically, as shown in fig. 2, writing configuration information of the electronic parking controller of the automobile includes the following steps:
s201, the equipment is started to communicate with the VCU.
S202, judging whether entering an expanding session mode, if the expanding session mode fails, executing step S211, otherwise, executing step S203.
S203, sending a safety verification instruction, and judging whether the safety verification passes, if so, executing the step S205, otherwise, executing the step S204.
S204, judging whether the number of times of the safety verification is more than three, if so, executing a step S211, otherwise, executing a step S203.
S205, the detection equipment scans the vehicle frame number information carried by the VCU and writes the frame number information into the VCU through a diagnosis command.
S206, the detection equipment judges whether the vehicle frame number is successfully written or not through the response of the diagnosis command, if so, step S208 is executed, and if not, step S207 is executed.
S207, judging whether the number of times of writing the frame number is more than three times, if so, executing step S211, otherwise, executing step S205.
That is, if the writing fails, the writing command is repeatedly sent, the number of times of writing failure is increased by one, and if the number of times of writing is more than 3, it is determined that the writing of the frame number information fails.
S208, the detection equipment sends a diagnosis command to the VCV, reads the written frame number information, and compares the read frame number information with the frame number information of the current vehicle.
S209, judging whether the written frame number information is consistent with the current vehicle frame number, if so, executing a step S210, otherwise, executing a step S211.
S210, finishing writing the information of the vehicle frame number by the VCU, and judging that the information of the vehicle frame number written by the VCU is qualified
And S211, finishing, and writing the frame number by the VCU to be unqualified.
In step S102, the configuration information corresponding to the vehicle controller is written in according to the identification information, and the gradient value of the vehicle controller is calibrated.
Optionally, in some embodiments, writing configuration information corresponding to the vehicle control unit according to the identification information includes: scanning configuration information of a vehicle; writing the configuration information into the vehicle control unit, and judging whether the written configuration information is successful; and if the second write-in times are greater than the preset second times, judging that the configuration information is failed to be written in.
Optionally, in some embodiments, writing configuration information corresponding to the vehicle control unit according to the identification information further includes: reading the written configuration information; detecting whether the written configuration information is consistent with the configuration information; when the inconsistency is detected, it is determined that the configuration information write has failed.
Optionally, in some embodiments, before writing the configuration information corresponding to the vehicle control unit according to the identification information and calibrating the gradient value of the vehicle control unit, the method further includes: sending a safety verification instruction; and executing the next detection action after the safety verification is passed within the preset verification times or the preset verification duration.
As a possible implementation manner, when configuration information corresponding to the vehicle controller is written according to the identification information, the communication established between the detection device and the vehicle is maintained, and the vehicle is powered on, as shown in fig. 3, the configuration information corresponding to the vehicle controller is written according to the identification information, which includes the following steps:
s301, judging whether to enter an expanding session mode, if the expanding session mode fails, executing the step S310, otherwise, executing the step S302.
S302, sending a safety verification instruction, and judging whether the safety verification passes, if so, executing the step S304, otherwise, executing the step S303.
S303, judging whether the number of times of the safety verification is more than three, if so, executing the step S310, otherwise, executing the step S302.
S304, the equipment scans the vehicle configuration information carried by the VCU and writes the configuration information into the VCU through a diagnosis command.
S305, the detection device judges whether the write configuration is successful or not through the response of the diagnosis command, if so, step S307 is executed, and if not, step S306 is executed.
S306, judging whether the number of times of writing configuration is more than 3, if so, executing the step S310, otherwise, executing the step S304.
S307, the detection equipment sends a diagnosis command to the VCV, reads the written VCU configuration information, and compares the read VCU configuration information with the current vehicle configuration information.
S308, judging whether the written VCU configuration information is consistent with the current vehicle configuration, if so, executing the step S309, otherwise, executing the step S310.
S309, finishing the VCU writing configuration information, and judging that the VCU writing configuration information is qualified.
S310, the writing fails, and the VCU is judged that the writing configuration information is unqualified.
Optionally, in some embodiments, calibrating the slope value of the vehicle controller comprises: after controlling the vehicle to run to the horizontal ground, acquiring a slope value basis of the vehicle level; and calibrating based on the slope value according to the received calibration command, and judging that the calibration is successful after the calibration state is successful.
As a possible implementation manner, when calibrating the gradient value of the vehicle controller, the communication established between the detection device and the vehicle is maintained, and the power is maintained, as shown in fig. 4, the calibration of the gradient value of the vehicle controller includes the following steps:
and S401, starting gradient calibration.
S402, judging whether entering into an expanding session mode, if so, executing a step S403, otherwise, executing a step S409.
S403, sending a safety verification instruction, and judging whether the safety verification passes, if so, executing step S405, otherwise, executing step 404.
S404, judging whether the number of times of the safety verification is more than three, if so, executing the step S409, otherwise, executing the step S403.
S405, prompting the condition of the slope sensor calibration by the equipment, namely starting the slope sensor calibration, placing the vehicle on a horizontal ground and keeping the vehicle static.
After the equipment operator confirms that the vehicle meets the calibration condition, the VCU records the value of the current gradient sensor into EEPRom of the VCU to ensure that the data is not cleared by power-off, the data is used as the basis of the horizontal gradient value of the vehicle, and when the deviation between the real-time value of the sensor and the calibration value exceeds a certain range, the VCU executes the auxiliary control of ascending (or descending).
And S406, after the equipment sends the calibration command, the equipment prompts countdown to wait for 5S, and after 5S, the equipment sends a diagnosis command and reads the calibration result.
S407, according to the response of the VCU, judging whether the calibration state is successful, if so, executing the step S408, otherwise, executing the step S409.
And S408, finishing the VCU slope value calibration and judging that the VCU slope value calibration is qualified.
And S409, the VCU gradient value is not qualified in calibration.
In step S103, it is detected whether there is any fault information after the fault information of the detection report is cleared, and it is determined that the vehicle fault controller is offline qualified after it is detected that there is no fault information and the identification information, the configuration information, and the gradient value all meet the qualification conditions.
Specifically, in the process of determining that the vehicle fault controller is offline qualified, the communication established between the detection device and the vehicle is maintained, and the power supply is maintained, as shown in fig. 5, the determination process includes the following steps:
s501, the detection equipment sends a diagnosis command to enter an expanding session mode, if the expanding session mode fails, the detection is finished, and the VCU is unqualified in final inspection; after the entry into the expansion session is successful, S502 is executed.
S502, the detection equipment sends read version information name, and reads VCU software and hardware version information and serial number information.
S503, judging whether the read VCU version information is consistent with the product definition, if so, executing the step S504, otherwise, executing the step S512.
S504, the detection equipment sends a command of clearing all fault codes recorded by the VCU.
And S505, judging whether the fault is cleared completely, if so, executing the step S506, otherwise, executing the step S512.
And S506, reading the software fault code recorded by the VCU.
And S507, judging whether no fault information exists, if so, executing the step S508, otherwise, executing the step S512.
And S508, judging whether the VCU written frame number is qualified, if so, executing a step S509, otherwise, executing a step S512.
S509, whether the VCU write configuration information is qualified is judged, if so, step S510 is executed, otherwise, step S512 is executed.
S510, judging whether the VCU slope value calibration is qualified, if so, executing the step S511, otherwise, executing the step S512.
And S511, the VCU is qualified in offline detection.
And S512, the VCU is unqualified in offline detection.
According to the offline detection method of the vehicle controller, the identity identification information of the vehicle controller can be written in, the configuration information corresponding to the vehicle controller is written in according to the identity identification information, the gradient value of the vehicle controller is calibrated, whether the fault information exists after the fault information of the detection report is eliminated is detected, and the offline of the vehicle fault controller is judged to be qualified after the fact that the fault information does not exist and the identity identification information, the configuration information and the gradient value meet the qualified conditions, so that the problem that due to different product intelligence of companies, different VCU control capabilities and slightly coming-in and going-out of the undertaken tasks, the detected contents are greatly different is solved, and the stability and the function of the offline of the vehicle controller are ensured to be normally used.
Next, an offline detection device of a vehicle controller according to an embodiment of the present application will be described with reference to the drawings.
Fig. 6 is a block schematic diagram of an offline detection device of a vehicle controller according to an embodiment of the present application.
As shown in fig. 6, the offline detection device 10 of the vehicle control unit includes: a write module 100, a calibration module 200, and a determination module 300.
The writing module 100 is configured to write in identification information of the vehicle control unit;
the calibration module 200 is configured to write configuration information corresponding to the vehicle controller according to the identity information, and calibrate a gradient value of the vehicle controller; and
the determining module 300 is configured to detect whether there is fault information after the fault information of the detection report is cleared, and determine that the vehicle fault controller is offline qualified after the fault information is detected to be absent and the identity information, the configuration information, and the gradient value all meet the qualified conditions.
Optionally, in some embodiments, the writing module includes:
the system comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for scanning vehicle frame number information of a vehicle to obtain identity identification information;
the judging unit is used for writing the identity identification information and judging whether the written identity identification information is successful or not;
and the first judging unit is used for sending a first rewriting instruction if the first rewriting instruction is unsuccessful, judging whether the first writing times are greater than a first preset time, and judging that the writing of the identification information fails when the first writing times are greater than the first preset time.
Optionally, in some embodiments, the writing module further includes:
the reading unit is used for reading the written identification information;
the detection module is used for detecting whether the written identity information is consistent with the identity information;
and a second determination unit configured to determine that the writing of the identification information has failed when the inconsistency is detected.
It should be noted that the above explanation of the offline detection method of the vehicle controller is also applicable to the offline detection device of the vehicle controller according to this embodiment, and is not repeated herein.
According to the offline detection device of the vehicle controller, the identity identification information of the vehicle controller can be written in, the configuration information corresponding to the vehicle controller is written in according to the identity identification information, the gradient value of the vehicle controller is calibrated, whether the fault information exists after the fault information of the detection report is cleared is detected, and after the fact that the fault information does not exist and the identity identification information, the configuration information and the gradient value meet the qualified conditions, the offline of the vehicle fault controller is judged to be qualified, so that the problem that due to different product intelligence of various companies, different VCU control capabilities and slightly coming-in and going-out of the undertaken tasks, the detected contents are greatly different is solved, and the stability and the normal use of the functions of the vehicle controller are ensured.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or N embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "N" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more N executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of implementing the embodiments of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the N steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.

Claims (10)

1. An offline detection method of a vehicle controller is characterized by comprising the following steps:
writing identity identification information of the whole vehicle controller;
writing configuration information corresponding to the vehicle control unit according to the identity identification information, and calibrating a gradient value of the vehicle control unit; and
and detecting whether fault information exists after the fault information of the detection report is cleared, and judging that the finished automobile fault controller is qualified after the identity identification information, the configuration information and the gradient value meet the qualified conditions when the fault information does not exist.
2. The method according to claim 1, wherein the writing of the identification information of the vehicle control unit comprises:
scanning vehicle frame number information of a vehicle to obtain the identity identification information;
writing the identification information and judging whether the written identification information is successful;
and if the first writing times are greater than the first preset times, judging that the writing of the identification information fails.
3. The method according to claim 2, wherein the writing of the identification information of the vehicle control unit further comprises:
reading the written identity information;
detecting whether the written identity information is consistent with the identity information;
when the inconsistency is detected, it is determined that the writing of the identification information has failed.
4. The method according to claim 1, wherein the writing of the configuration information corresponding to the vehicle control unit according to the identification information includes:
scanning configuration information of the vehicle;
writing the configuration information into the vehicle control unit, and judging whether the written configuration information is successful;
and if the configuration information is unsuccessful, sending a second re-writing instruction, and judging whether the second writing times are greater than a second preset time, so as to judge that the configuration information is failed to be written when the second writing times are greater than the preset second time.
5. The method according to claim 4, wherein the writing of the configuration information corresponding to the vehicle control unit according to the identification information further includes:
reading the written configuration information;
detecting whether the written configuration information is consistent with the configuration information;
when the inconsistency is detected, it is determined that the configuration information write has failed.
6. The method of claim 1, wherein calibrating the grade value of the vehicle control unit comprises:
after controlling the vehicle to run to the horizontal ground, acquiring a slope value basis of the vehicle level;
and calibrating based on the slope value basis according to the received calibration command, and judging that the calibration is successful after the calibration state is successful.
7. The method according to any one of claims 1 to 6, further comprising, before writing configuration information corresponding to the vehicle control unit according to the identification information and calibrating a gradient value of the vehicle control unit:
sending a safety verification instruction;
and executing the next detection action after the safety verification is passed within the preset verification times or the preset verification duration.
8. The utility model provides a vehicle control unit's detection device that rolls off production line which characterized in that includes:
the writing module is used for writing the identity identification information of the whole vehicle controller;
the calibration module is used for writing configuration information corresponding to the vehicle control unit according to the identity information and calibrating the gradient value of the vehicle control unit; and
and the judging module is used for detecting whether fault information exists after the fault information of the detection report is cleared, judging whether the finished automobile fault controller is qualified after the fault information does not exist and the identity identification information, the configuration information and the gradient value meet the qualified conditions.
9. The apparatus of claim 8, wherein the write module comprises:
the acquisition unit is used for scanning the vehicle frame number information of the vehicle to obtain the identity identification information;
the judging unit is used for writing the identity identification information and judging whether the written identity identification information is successful or not;
and the first judging unit is used for sending a first rewriting instruction if the first rewriting instruction is unsuccessful, judging whether the first writing times are greater than a first preset time, and judging that the writing of the identification information fails when the first writing times are greater than the first preset time.
10. The apparatus of claim 8, wherein the write module further comprises:
the reading unit is used for reading the written identification information;
the detection module is used for detecting whether the written identity information is consistent with the identity information;
and a second determination unit configured to determine that the writing of the identification information has failed when the inconsistency is detected.
CN202110292680.9A 2021-03-18 2021-03-18 Offline detection method and device for vehicle controller Pending CN113050600A (en)

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Application publication date: 20210629