CN111856248A - Electronic throttle valve driving circuit diagnosis method and system and readable storage medium - Google Patents
Electronic throttle valve driving circuit diagnosis method and system and readable storage medium Download PDFInfo
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- CN111856248A CN111856248A CN202010713613.5A CN202010713613A CN111856248A CN 111856248 A CN111856248 A CN 111856248A CN 202010713613 A CN202010713613 A CN 202010713613A CN 111856248 A CN111856248 A CN 111856248A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000003745 diagnosis Methods 0.000 title abstract description 25
- 230000002159 abnormal effect Effects 0.000 claims abstract description 23
- 238000002405 diagnostic procedure Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2836—Fault-finding or characterising
Abstract
The embodiment of the invention discloses a method and a system for diagnosing an electronic throttle driving circuit and a readable storage medium. The electronic throttle valve driving circuit diagnosis method provided by the embodiment of the invention comprises the steps of reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module; detecting the restart times of the driving module or reporting no fault according to the current state of the driving module; according to the restarting times of the driving module, the driving module is restarted, and the restarting times of the driving module are accumulated once or the failure is reported.
Description
Technical Field
The embodiment of the invention relates to the technical field of automobile throttles, in particular to an electronic throttle driving circuit diagnosis method, an electronic throttle driving circuit diagnosis system and a readable storage medium.
Background
The electronic throttle valve is a key part for adjusting the air inflow of the gasoline engine, and diagnosis of a driving circuit of the electronic throttle valve has important significance on vehicle safety, reliability and maintenance convenience.
The existing electronic throttle valve driving circuit diagnosis implementation mode is to utilize the self-diagnosis function of a throttle valve driving chip to identify faults, for example, when an electronic throttle valve driving stage is short-circuited, overcurrent or overheating of the driving chip can be caused, the driving chip can record the state, the throttle valve driving is automatically closed to cut off the power of the throttle valve, and application software reads the register state of the driving chip to obtain the diagnosis result of the short circuit of the electronic throttle valve driving circuit.
Because the service environment of the vehicle is very complicated and the throttle valve circuit has electrical interference, the adoption of the strategy can prevent the vehicle from being out of control, but also can lead the electronic throttle valve to generate unnecessary power failure due to accidental faults, when the electronic throttle valve is powered off, the air inflow of the engine is not controllable any more, the output power of the engine can be adjusted only in a small range, the reliability of the vehicle is reduced, and potential safety hazards exist.
The existing electronic throttle valve driving circuit diagnosis implementation mode enables the electronic throttle valve to be subjected to unnecessary power failure due to accidental faults, reduces the reliability of a vehicle, and becomes a problem to be solved urgently in the industry.
Disclosure of Invention
The embodiment of the invention provides a method and a system for diagnosing an electronic throttle driving circuit and a readable storage medium, which aim to solve the problem that the reliability of a vehicle is reduced because the electronic throttle can be unnecessarily powered off due to accidental faults in the conventional electronic throttle driving circuit diagnosis mode.
In order to solve the technical problems, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides an electronic throttle driving circuit diagnostic method, where the method is performed by an electronic throttle driving circuit diagnostic system, where the electronic throttle driving circuit diagnostic system includes a driving module, and the driving module is used for driving an electronic throttle, and the method includes:
reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module;
detecting the restart times of the driving module or reporting no fault according to the current state of the driving module;
and restarting the drive module according to the restart times of the drive module, and accumulating the restart times of the drive module once or reporting that the fault exists.
Further, the detecting the restart times of the driver module or reporting no fault according to the current state of the driver module includes:
if the driving module is in an abnormal closing state, detecting the restarting times of the driving module;
and if the driving module is in a normal working state, reporting no fault.
Further, the restarting the driver module and accumulating the number of times of restarting the driver module once or reporting that there is a failure according to the number of times of restarting the driver module includes:
and comparing the restart times of the drive module with a preset restart time threshold, restarting the drive module according to a comparison result, and accumulating the restart times of the drive module once or reporting a fault.
Further, the comparing the restart times of the driver module with a preset restart time threshold, restarting the driver module according to the comparison result, and accumulating the restart times of the driver module once or reporting that there is a fault includes:
if the restarting times of the driving module are less than or equal to the threshold value of the preset restarting times, restarting the driving module and accumulating the restarting times of the driving module once;
and if the restart times of the drive module are greater than the threshold value of the preset restart times, reporting that a fault exists.
Further, before restarting the driver module and accumulating the restart times of the driver module once, the method further includes:
delaying the first time.
Further, after the restarting the driver module and accumulating the number of times of restarting the driver module once, the method further includes:
and delaying the second time and reading the current state of the driving module.
In a second aspect, an embodiment of the present invention further provides an electronic throttle driving circuit diagnostic system, including:
the driving module is used for driving the electronic throttle valve;
the reading module is used for reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module;
the judging module is used for detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module;
and the execution module is used for restarting the drive module according to the restart times of the drive module and accumulating the restart times of the drive module once or reporting that the fault exists.
Further, the judging module includes:
the detection unit is used for detecting the restarting times of the driving module if the driving module is in an abnormal closing state;
and the execution unit is used for reporting no fault if the driving module is in a normal working state.
Further, the execution module is further configured to compare the restart times of the driver module with a preset restart time threshold, restart the driver module according to the comparison result, and accumulate the restart times of the driver module once or report that there is a failure.
In a third aspect, embodiments of the present invention also provide a readable storage medium, wherein instructions in the storage medium, when executed by a processor of an electronic throttle driving circuit diagnostic system, cause the electronic throttle driving circuit diagnostic system to execute the electronic throttle driving circuit diagnostic method according to any of the first aspect.
The electronic throttle valve driving circuit diagnosis method provided by the embodiment of the invention comprises the steps of reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module; detecting the restart times of the driving module or reporting no fault according to the current state of the driving module; and according to the restarting times of the driving module, restarting the driving module and accumulating the restarting times of the driving module once or reporting a fault, so that unnecessary power failure of the electronic throttle valve due to accidental faults is avoided, and the reliability of the vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a flow chart of a method for diagnosing an electronic throttle driving circuit according to an embodiment of the present invention;
FIG. 2 is a flow chart of another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 3 is a flow chart of yet another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 4 is a flow chart of yet another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 5 is a flow chart of yet another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 6 is a flow chart of yet another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 7 is a flowchart of yet another electronic throttle drive circuit diagnostic method provided by an embodiment of the present invention;
FIG. 8 is a schematic diagram of a diagnostic system for an electronic throttle driver circuit according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of another electronic throttle drive circuit diagnostic system provided by an embodiment of the present invention;
FIG. 10 is a schematic structural diagram of another electronic throttle driving circuit diagnostic system provided by the embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
FIG. 1 is a flow chart of a method for diagnosing an electronic throttle driving circuit according to an embodiment of the present invention. Referring to fig. 1, the electronic throttle driving circuit diagnostic method according to the embodiment of the present invention is executed by an electronic throttle driving circuit diagnostic system, the electronic throttle driving circuit diagnostic system includes a driving module, and the driving module is configured to drive an electronic throttle, and the electronic throttle driving circuit diagnostic method according to the embodiment of the present invention includes:
s101, reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
Specifically, the control module is electrically connected with the driving module, the output end of the driving module is electrically connected with the input end of the electronic throttle valve, the control module can be a single chip microcomputer, the driving module can be a driving chip, and the control module can read the current state of the driving module through serial communication.
And S102, detecting the restart times of the driving module or reporting no fault according to the current state of the driving module.
Specifically, whether the restart times of the drive module are detected or not is judged according to the read current state of the drive module, and if the restart times of the drive module need to be detected, the restart times of the drive module are detected and recorded.
S103, restarting the drive module according to the restart times of the drive module, and accumulating the restart times of the drive module once or reporting a fault.
Specifically, if the detected restart times meet the condition for restarting the drive module, the drive module is restarted and the restart times of the drive module are accumulated once, and if the detected restart times do not meet the condition for restarting the drive module, the drive module is not restarted and a fault is reported.
The electronic throttle valve driving circuit diagnosis method provided by the embodiment comprises the steps of reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module; detecting the restart times of the driving module or reporting no fault according to the current state of the driving module; and according to the restarting times of the driving module, restarting the driving module and accumulating the restarting times of the driving module once or reporting a fault, so that unnecessary power failure of the electronic throttle valve due to accidental faults is avoided, and the reliability of the vehicle is improved.
Optionally, fig. 2 is a flowchart of another electronic throttle driving circuit diagnosis method provided by the embodiment of the invention. On the basis of the above-described embodiment, referring to fig. 2, the electronic throttle driving circuit diagnostic method provided by the present embodiment includes:
s201, reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
S202, if the driving module is in an abnormal closing state, detecting the restarting frequency of the driving module.
Specifically, in the process of automobile traveling, due to the fact that the use environment of the throttle valve is complex, electrical interference exists in the throttle valve circuit, the electronic throttle valve is powered off due to accidental faults, and if the read driving module is in an abnormal closing state, the restarting frequency of the driving module is detected.
And S203, if the driving module is in a normal working state, reporting no fault.
Specifically, the state of the drive module is read in real time, if the state of the drive module is a normal working state, that is, the drive module is not in an abnormal shutdown state, it indicates that the drive module is working normally, and if the drive module is not automatically shutdown due to a fault, it indicates that the drive module is not required to be restarted, and it can be considered that no fault exists.
S204, restarting the drive module according to the restart times of the drive module, and accumulating the restart times of the drive module once or reporting a fault.
Optionally, fig. 3 is a flowchart of another electronic throttle driving circuit diagnosis method provided by the embodiment of the invention. On the basis of the above-described embodiment, referring to fig. 3, the electronic throttle driving circuit diagnostic method provided by the present embodiment includes:
s301, reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
S302, detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module.
S303, comparing the restart times of the drive module with a preset restart time threshold, restarting the drive module according to the comparison result, and accumulating the restart times of the drive module once or reporting a fault.
Specifically, the threshold of the preset restart time may be set as needed, the restart time of the driver module may be differentiated from the threshold of the preset restart time, and the driver module is selected to be restarted or a fault is reported according to the difference between the restart time of the driver module and the threshold of the preset restart time.
Optionally, fig. 4 is a flowchart of another electronic throttle driving circuit diagnosis method provided by the embodiment of the invention. On the basis of the above-described embodiment, referring to fig. 4, the electronic throttle driving circuit diagnostic method provided by the present embodiment includes:
s401, reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
S402, detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module.
And S403, if the restart times of the drive module are less than or equal to the preset restart time threshold, restarting the drive module and accumulating the restart times of the drive module once.
Specifically, when the current restarting frequency of the driving module does not reach the threshold value of the preset restarting frequency, the driving module is restarted to enable the driving module to work again, the throttle valve is powered on, the phenomenon of throttle valve power failure caused by the fact that the driving module is closed due to accidental faults is eliminated, and the restarting frequency of the driving module is accumulated once.
S404, if the restart times of the driving module are larger than the threshold value of the preset restart times, reporting that the fault exists.
Specifically, when the number of restart times of the current drive module reaches a preset number of restart times threshold, the drive module is not restarted, a fault is directly reported, and the diagnosis process is ended.
Optionally, fig. 5 is a flowchart of another electronic throttle driving circuit diagnosis method provided by the embodiment of the invention. On the basis of the above-described embodiment, referring to fig. 5, the electronic throttle driving circuit diagnostic method provided by the present embodiment includes:
s501, reading the current state of a driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
S502, detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module.
S503, if the restart times of the driving module are less than or equal to the threshold of the preset restart times, the driving module is restarted and the restart times of the driving module are accumulated once after the first time is delayed.
Specifically, after the first time is delayed, the driving module is controlled to restart, so that the failure of restarting the driving module caused by the fact that the current fault is not finished can be avoided. Illustratively, the first time may be greater than 10ms, less than 1 s.
S504, if the restart times of the driving module are larger than the threshold value of the preset restart times, reporting that a fault exists.
Optionally, fig. 6 is a flowchart of another electronic throttle driving circuit diagnosis method provided by the embodiment of the invention. On the basis of the above-described embodiment, referring to fig. 6, the electronic throttle driving circuit diagnostic method provided by the present embodiment includes:
s601, reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module.
S602, detecting the restart times of the driving module or reporting no fault according to the current state of the driving module.
S603, if the restart times of the drive module are less than or equal to the threshold of the preset restart times, the drive module is restarted after the first time is delayed, and the restart times of the drive module are accumulated once.
And S604, delaying the second time, and reading the current state of the driving module.
Specifically, the current state of the drive module is read after the second time is delayed, enough time can be reserved for restarting the drive module, the read current state of the drive module is guaranteed to be an updated state after restarting, and reliability of a diagnosis process is improved. The second time may be set as needed, and for example, the second time may be set to be greater than 10ms and less than 1 s.
S605, if the restart times of the driving module are larger than the threshold value of the preset restart times, reporting that a fault exists.
Preferably, fig. 7 is a flowchart of a diagnostic method for an electronic throttle driving circuit according to another embodiment of the present invention. On the basis of the above-described embodiment, referring to fig. 7, the electronic throttle driving circuit diagnosis method provided by the present embodiment may include:
s801, start.
And S802, reading the state of the driving chip.
S803, judging whether the driving chip is closed, if so, executing S804; if not, S809 and S810 are executed.
S804, judging whether the restarting times of the driving chip is less than or equal to a threshold value, if so, executing S805; if not, go to S808.
And S805, delaying the first time.
And S806, restarting the driving chip, and accumulating the restarting times of the driving chip once.
And S807, delaying the second time.
And S808, reporting a fault.
And S809, reporting no fault.
And S810, ending.
FIG. 8 is a schematic structural diagram of an electronic throttle driving circuit diagnostic system according to an embodiment of the present invention. Referring to fig. 8, an electronic throttle driving circuit diagnostic system according to an embodiment of the present invention includes:
a drive module 71, the drive module 71 being configured to drive the electronic throttle;
a reading module 72 for reading the current state of the driving module 71; wherein the current state of the driving module 71 includes an abnormal off state or a normal operating state of the driving module 71;
a judging module 73, configured to detect a restart number of the driving module 71 or report no failure according to the current state of the driving module 71;
and the execution module 74 is configured to restart the driver module 71 according to the restart times of the driver module 71, and accumulate the restart times of the driver module 71 once or report that there is a fault.
Optionally, fig. 9 is a schematic structural diagram of another electronic throttle driving circuit diagnostic system according to an embodiment of the present invention. On the basis of the above embodiment, referring to fig. 9, the determining module 73 includes:
a detecting unit 731, configured to detect a restart count of the driving module 71 if the driving module 71 is turned off;
an execution unit 732, configured to report no fault if the driving module 71 is in a normal operating state.
Optionally, with reference to fig. 9, the executing module 74 is further configured to compare the restart times of the driving module 71 with a preset restart time threshold, restart the driving module 71 according to the comparison result, and accumulate the restart times of the driving module 71 once or report that there is a fault.
The electronic throttle valve driving circuit diagnosis system provided by the embodiment of the invention comprises a driving module, a reading module, a judging module and an executing module, wherein the driving module is used for driving the electronic throttle valve, the reading module is used for reading the current state of the driving module, the current state of the driving module comprises the abnormal closing state or the normal working state of the driving module, the judging module is used for detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module, and the executing module is used for restarting the driving module and accumulating the restarting times of the driving module once or reporting the fault according to the restarting times of the driving module. The electronic throttle valve driving circuit diagnosis system provided by the embodiment of the invention avoids unnecessary power failure of the electronic throttle valve due to accidental faults, and improves the reliability of a vehicle.
Alternatively, fig. 10 is a schematic structural diagram of another electronic throttle driving circuit diagnostic system provided by the embodiment of the invention. On the basis of the above embodiment, referring to fig. 10, the control module may be a single chip microcomputer 91, the driving module may be a driving chip 92, the driving chip 92 includes a set of H-bridge driving circuit, a current output end of the H-bridge driving circuit is connected to the dc motor of the electronic throttle valve 10, and a logic control end of the H-bridge driving circuit is connected to a digital port and a PWM signal output port of the single chip microcomputer 91. The driver chip 92 further includes a diagnostic circuit therein for diagnosing and protecting the H-bridge driver circuit, and is connected to the serial communication port of the single chip 91 through the serial communication port.
Embodiments of the present invention also provide a readable storage medium, wherein instructions in the storage medium, when executed by a processor of an electronic throttle driving circuit diagnostic system, cause the electronic throttle driving circuit diagnostic system to execute the electronic throttle driving circuit diagnostic method according to any of the first aspect.
Embodiments of the present invention also provide a readable storage medium, on which a software program is stored, and when instructions in the readable storage medium are executed by a processor of an electronic throttle driving circuit diagnostic system, the electronic throttle driving circuit diagnostic system is enabled to execute the electronic throttle driving circuit diagnostic method mentioned in any of the above embodiments. The method comprises the following steps: reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module; detecting the restart times of the driving module or reporting no fault according to the current state of the driving module; restarting the drive module or reporting a fault according to the restart times of the drive module.
Of course, the storage medium containing the computer-executable instructions provided by the embodiments of the present invention is not limited to the operations of the electronic throttle driving circuit diagnosis method described above, and may also perform the related operations in the electronic throttle driving circuit diagnosis method provided by any embodiments of the present invention, and has corresponding functions and advantages.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the electronic throttle driving circuit diagnosis method according to the embodiments of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An electronic throttle drive circuit diagnostic method performed by an electronic throttle drive circuit diagnostic system, the electronic throttle drive circuit diagnostic system including a drive module for driving an electronic throttle, the method comprising:
reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module;
detecting the restart times of the driving module or reporting no fault according to the current state of the driving module;
and restarting the drive module according to the restart times of the drive module, and accumulating the restart times of the drive module once or reporting that the fault exists.
2. The method of claim 1, wherein detecting the number of reboots of a drive module or reporting no fault based on the current state of the drive module comprises:
if the driving module is in an abnormal closing state, detecting the restarting times of the driving module;
and if the driving module is in a normal working state, reporting no fault.
3. The method according to claim 1 or 2, wherein restarting the driver module and accumulating the number of restarts of the driver module once or reporting a fault according to the number of restarts of the driver module comprises:
and comparing the restart times of the drive module with a preset restart time threshold, restarting the drive module according to a comparison result, and accumulating the restart times of the drive module once or reporting a fault.
4. The method according to claim 3, wherein the comparing the restart times of the driver modules with a threshold value of preset restart times, restarting the driver modules according to the comparison result and accumulating the restart times of the driver modules once or reporting a fault comprises:
if the restarting times of the driving module are less than or equal to the threshold value of the preset restarting times, restarting the driving module and accumulating the restarting times of the driving module once;
and if the restart times of the drive module are greater than the threshold value of the preset restart times, reporting that a fault exists.
5. The method according to claim 4, before restarting the driver module and accumulating the number of times of restarting the driver module once, further comprising:
delaying the first time.
6. The method of claim 5, further comprising, after the restarting the driver module and accumulating the number of restarts of the driver module once:
and delaying the second time and reading the current state of the driving module.
7. An electronic throttle drive circuit diagnostic system, comprising: the driving module is used for driving the electronic throttle valve;
the reading module is used for reading the current state of the driving module; the current state of the driving module comprises an abnormal closing state or a normal working state of the driving module;
the judging module is used for detecting the restarting times of the driving module or reporting no fault according to the current state of the driving module;
and the execution module is used for restarting the drive module according to the restart times of the drive module and accumulating the restart times of the drive module once or reporting that the fault exists.
8. The system of claim 7, wherein the determining module comprises:
the detection unit is used for detecting the restarting times of the driving module if the driving module is in an abnormal closing state;
and the execution unit is used for reporting no fault if the driving module is in a normal working state.
9. The system according to claim 7, wherein the execution module is further configured to compare the restart times of the driver modules with a threshold of a preset restart time, restart the driver modules according to the comparison result, and accumulate the restart times of the driver modules once or report a fault.
10. A readable storage medium, wherein instructions in the storage medium, when executed by a processor of an electronic throttle drive circuit diagnostic system, cause the electronic throttle drive circuit diagnostic system to perform the electronic throttle drive circuit diagnostic method of any one of claims 1 to 6.
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| CN110925111A (en) * | 2019-12-13 | 2020-03-27 | 潍柴动力股份有限公司 | Throttle valve diagnosis method and device, control equipment and readable storage medium |
| CN111400153A (en) * | 2020-03-12 | 2020-07-10 | 苏州浪潮智能科技有限公司 | Serial port log starting method and device and computer readable storage medium |
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