CN114689310A - Method and system for monitoring response state of actuator - Google Patents

Method and system for monitoring response state of actuator Download PDF

Info

Publication number
CN114689310A
CN114689310A CN202210238546.5A CN202210238546A CN114689310A CN 114689310 A CN114689310 A CN 114689310A CN 202210238546 A CN202210238546 A CN 202210238546A CN 114689310 A CN114689310 A CN 114689310A
Authority
CN
China
Prior art keywords
actuator
opening position
accumulated
activation
deviation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210238546.5A
Other languages
Chinese (zh)
Other versions
CN114689310B (en
Inventor
李亮
孙丰山
王凯
王佳兴
房立营
赵成明
苏海亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weichai Power Co Ltd
Original Assignee
Weichai Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weichai Power Co Ltd filed Critical Weichai Power Co Ltd
Priority to CN202210238546.5A priority Critical patent/CN114689310B/en
Priority claimed from CN202210238546.5A external-priority patent/CN114689310B/en
Publication of CN114689310A publication Critical patent/CN114689310A/en
Application granted granted Critical
Publication of CN114689310B publication Critical patent/CN114689310B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/003—Machine valves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The invention relates to the technical field of engine control detection, and discloses a method and a system for monitoring the response state of an actuator, wherein the method comprises the following steps: determining that fault diagnosis is activated when activation conditions are met, and accumulating the activation time and the absolute value of the deviation between the required opening position and the actual opening position of the actuator; and judging whether the following conditions are met within a preset activation time threshold value: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to the preset duration; if yes, judging that the activation is invalid, and re-determining the activation condition; if not, the absolute values of the activation time and the deviation are continuously accumulated; when the activation time is accumulated to a preset activation time threshold, judging whether the following conditions are met: the accumulated value of the absolute value of the deviation is greater than or equal to a preset deviation accumulated threshold value; if yes, judging that the fault has a slow response fault; if not, no fault exists, and the next detection period is entered. The monitoring method has the advantages that the blocking faults of the actuator are not mistakenly reported, and the accuracy of the responsiveness detection result is improved.

Description

Method and system for monitoring response state of actuator
Technical Field
The invention relates to the technical field of engine control detection, in particular to a method and a system for monitoring the response state of an actuator.
Background
In the current industry requirements, the slow response fault of the EGR valve needs to be monitored, but in the current existing monitoring methods for the stuck fault of the actuator, the situation that the stuck fault of the actuator is easily reported by mistake when the slow response fault of the actuator is tested is found in practical tests, so that how to improve the accuracy of the monitoring result of the stuck fault of the actuator is a problem which needs to be solved urgently at present.
Disclosure of Invention
The invention discloses a method and a system for monitoring the response state of an actuator, wherein the method for monitoring the response state of the actuator cannot report the jamming faults of the actuator by mistake, can effectively reduce or even avoid the fault false report condition, and improve the accuracy of the response detection result of the actuator.
In order to achieve the purpose, the invention provides the following technical scheme:
a method of monitoring an actuator response state, comprising:
detecting the response state of the actuator according to a set period, wherein each detection period comprises:
acquiring activation condition information of an actuator, wherein the activation condition information comprises: a rate of change of the actuator at the desired opening position;
when the activation condition is determined to be met, fault diagnosis is activated for the first time, activation time starts to be accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator starts to be accumulated;
when the accumulated value of the activation time is within a preset activation time threshold, performing a first step of judgment to judge whether the actuator meets the following conditions: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to a preset duration; if so, determining that the fault diagnosis activation is invalid, pausing and retaining the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator, confirming the activation condition again, continuing to accumulate the activation time after the fault diagnosis is activated again, and continuing to accumulate the absolute value of the deviation between the required opening position and the actual opening position of the actuator; if not, the activation time is continuously accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator is continuously accumulated;
and when the accumulated activation time reaches the preset activation time threshold, performing second-step judgment to judge whether the actuator meets the following conditions: the accumulated value of the absolute values of the deviations of the required opening position and the actual opening position of the actuator is greater than or equal to a preset deviation accumulated threshold, and if so, the actuator is judged to respond to a slow fault; if not, judging that no fault exists, and then entering the next detection period.
In the method for monitoring the response state of the actuator, based on the actuator position control deviation accumulated in the transient process, the actuator response fault monitoring logic is constructed to monitor the actuator response fault, the actuator jamming fault cannot be mistakenly reported, the fault mistaken reporting condition can be effectively reduced or even avoided, and the accuracy of the actuator response detection result is improved.
Optionally, the activation condition information further includes: performance information of the actuator itself, a range of the required opening position of the actuator, and an upstream temperature of the actuator; and the activation condition includes: the actuator is an actuator without other performance faults except response performance, the required opening position of the actuator is within a normal opening range, the upstream temperature of the actuator is greater than a preset temperature minimum threshold, and the absolute value of the change rate of the actuator at the required opening position is greater than or equal to a change rate preset value.
Optionally, an alarm is issued when it is determined that the actuator is responding to a slow fault.
Alternatively, when the next detection period is entered, the activation time integrated value of the last detection period is reset to zero, and the integrated value of the absolute value of the deviation of the required opening position and the actual opening position of the actuator of the last detection period is reset to zero.
Optionally, the actuator is an EGR valve.
Optionally, the preset activation time threshold is 25s to 35 s.
The invention also provides a system for monitoring the response state of the actuator, which comprises:
the diagnosis module is used for acquiring activation condition information of an actuator, and the activation condition information comprises: a rate of change of the actuator at the desired opening position; and is used for activating fault diagnosis when determining that the activation condition is satisfied;
a storage module that stores an integrated value of activation time and an integrated value of an absolute value of a deviation of a required opening position and an actual opening position of the actuator;
the first judgment module is used for carrying out first-step judgment within a preset activation time threshold value and judging whether the actuator meets the following conditions: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to a preset duration; if yes, judging that the fault diagnosis activation is failed, pausing and retaining the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator, confirming the activation condition again, continuing the accumulation of the activation time after the fault diagnosis is activated again, and continuing the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator; if not, the activation time is continuously accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator is continuously accumulated;
and the second judgment module is used for judging in the second step, and judging whether the actuator meets the following conditions when the accumulated activation time reaches the preset activation time threshold: the accumulated sum of the absolute values of the deviations of the required opening position and the actual opening position of the actuator is greater than or equal to a preset deviation accumulated threshold, and if so, the slow response fault of the actuator is judged; if not, judging that no fault exists, and then entering the next detection period.
Optionally, the monitoring system further comprises:
and the resetting module is used for resetting the activation time accumulated value of the previous detection period to zero when entering the next detection period, and resetting the accumulated value of the absolute value of the deviation between the required opening position and the actual opening position of the actuator of the previous detection period to zero.
The invention also provides a device for monitoring the response state of the actuator, which comprises:
a memory for storing executable commands;
and the processor is used for being connected with the memory and executing the executable command so as to complete the method for monitoring the response state of the actuator.
The present invention also provides a computer readable storage medium having a computer program stored thereon; the computer program is executed by the processor to implement any one of the monitoring methods for the response state of the actuator as provided in the above technical solutions.
Drawings
Fig. 1 is a schematic flowchart of a method for monitoring an actuator response state according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a system for monitoring response status of an actuator according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a device for monitoring a response state of an actuator according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for monitoring an actuator response state, where the method monitors a response fault of an actuator by detecting the actuator based on an engine in a transient operating condition state, and the method detects the actuator response state according to a set period, where each detection period includes two stages, one is fault diagnosis activation and the other is fault monitoring, and specifically includes:
firstly, acquiring the activation condition information of the actuator, wherein the activation condition information comprises: rate of change of actuator at required opening position;
when the activation condition information is determined to meet the activation condition, the fault diagnosis is activated for the first time, and after the activation, the activation time t is1The integration is started and the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value of the deviation of (a) is also accumulated, and the accumulated value is C|ΔE|I.e. at the activation time t1Inner required opening position ESetAnd actual opening position EActThe sum of absolute values | Δ E | of the deviation of (a) is the required opening position ESetAnd actual opening position EActMay be referred to as an execution deviation, where the execution deviation may be at an activation time t1And (4) the following steps. The execution deviation of the actuator in each execution of the action;
at a preset activation time threshold t1' Internally, specifically, the activation time threshold t is preset1' may be 25s to 35s, preferably 30s, so that the time of diagnostic detection in one detection cycle is not too long and does not delay time, and when the first step of judgment is performed, whether the actuator satisfies the following conditions is judged: the actuator is at the required opening position ESetAbsolute value d of the rate of change ofSetLess than a predetermined value d of the rate of changeSet', and for a time t2Is greater than or equal to the preset duration t2'; in this determination, if the above condition is satisfied, it is the actuator enable barIf the fault diagnosis activation cannot meet the preset enabling condition, the fault diagnosis activation is judged to be invalid, the fault diagnosis is converted into the non-activation state, and the activation time t is1Is suspended, the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value of the deviation of (1) is accumulated to pause and accumulated value C|ΔE|Remaining, and performing a reconfirmation of the activation condition, and activating for a time t after the failure diagnosis is reactivated1Then, the required opening position E of the actuator is accumulated continuouslySetAnd actual opening position EActThe absolute value of the deviation of (i) Δ E | is then accumulated; if not, the judgment condition is not met, and the time t is activated1Continuously accumulates the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value of the deviation of (i | Δ E | also continues to accumulate;
when activated for a time t1Accumulated to reach the preset activation time threshold t1When the actuator meets the following conditions, the method enters a second step of judgment: required opening position E of actuatorSetAnd actual opening position EActThe cumulative value C of the absolute value | Δ E | of the deviation of (1)|ΔE|Greater than or equal to a preset deviation accumulation threshold C|ΔE|If the above condition is met, the actuator is judged to respond to the slow fault, specifically, an alarm can be given when the actuator is judged to respond to the slow fault, and preferably, the alarm mode can be a mode of ringing or light reminding and the like which can attract attention of workers; if the condition is not met, judging that no fault exists, and entering the next detection period.
In the method for monitoring the response state of the actuator, based on the actuator position control deviation accumulated in the transient process, the actuator response fault monitoring logic is constructed to monitor the actuator response fault, the actuator jamming fault cannot be mistakenly reported, the fault mistaken reporting condition can be effectively reduced or even avoided, and the accuracy of the actuator response detection result is improved.
Specifically, in the method for monitoring the response state of the actuator, the activation condition information further includes: the performance information of the actuator and the requirement of the actuator are setA range of degrees, and an upstream temperature of the actuator; and the preset diagnostic activation conditions include: the actuator is an actuator without other performance faults except for response performance, namely the actuator is an actuator with good performance in other aspects except for uncertain response performance, the poor performance of the actuator in other aspects is prevented from interfering with a diagnosis detection result, the required opening position of the actuator is within a normal opening range, and in addition, for the ambient temperature, the upstream temperature T of the actuator is greater than a preset temperature minimum threshold value TminAnd the absolute value d of the rate of change of the actuator at the required opening positionSetGreater than or equal to preset value d of change rateSet'. After the conditions are met, the diagnosis and activation of the actuator effectively improve the accuracy of the monitoring result of the actuator and avoid the false alarm of the fault.
Preferably, for the above-described diagnosis activation condition, the normal opening range of the actuator required opening position may be 10% to 90%, and the preset temperature minimum threshold T of the temperature upstream of the actuator may be set to the minimum threshold Tmin. Can be 45-55 ℃, specifically 48 ℃, 50 ℃ or 53 ℃.
In a possible embodiment, in the method for monitoring the response state of the actuator, when the next detection cycle is entered, the activation time t for the previous detection cycle1The integration is terminated and the integrated value is reset to zero, and in addition, the integration of the absolute value of the deviation between the required opening position and the actual opening position of the actuator in the last detection period is terminated and the integrated value C is simultaneously obtained|ΔE|And also reset to zero so that the diagnostic test of the next test cycle can be re-entered. Note that the activation time t1And an integrated value C of the absolute value of the deviation between the required opening position and the actual opening position|ΔE|Or not reset to zero, or the activation time t of the last detection period1And an integrated value C of the absolute value of the deviation between the required opening position and the actual opening position|ΔE|And terminating, storing the data, and storing the data when the next detection period is carried out.
Specifically, in the above-described method for monitoring the actuator response state, the actuator may be an EGR valve.
For ease of explanation, the following description is in terms of responsive state monitoring of the EGR valve:
wherein the required opening position ESetAnd actual opening position EActPreset deviation cumulative threshold value C|ΔE|The value is 150-180, in particular 160;
when monitoring is carried out, the method specifically comprises the following steps in a detection period:
firstly, acquiring the activation condition information of an EGR valve;
when the EGR valve is not deteriorated in performance in other respects except for the uncertainty of the response performance, and the required opening position is within 10% to 90%, and further, the upstream temperature T thereof is more than 50 ℃, the absolute value d of the rate of change at the required opening positionSetWhen the time is more than or equal to 50%/second, the fault diagnosis is activated, and after the activation, the activation time t is1Start integrating, and the required opening position E of the EGR valveSetAnd actual opening position EActThe absolute value of the deviation of (a) is accumulated as C|ΔE|；
At an activation time t1And when the total time is not up to 30s, performing a first step of judgment to judge whether the EGR valve meets the following conditions: absolute value d of rate of change of EGR valve at required opening positionSetLess than 50%/second, and the state duration t2Greater than or equal to 0.5 s; in the judgment of the step, if the condition is met, the EGR valve is judged not to meet the activation condition, the activation is invalid, the fault diagnosis is converted into the non-activation state, and the activation time t is1Is suspended, the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value of the deviation of (1) is accumulated to pause and accumulated value C|ΔE|Remaining, and performing a reconfirmation of the activation condition, and activating for a time t after the failure diagnosis is reactivated1Continuously accumulating the previous data, and determining the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value | Δ E | of the deviation of (a) is also accumulated continuously following the last data; if not, the judgment condition is not met, and the time t is activated1Continuously accumulates the required opening position E of the actuatorSetAnd actual opening position EActThe absolute value of the deviation of (i | Δ E | also continues to accumulate;
when activated for a time t1Accumulated to reach the preset activation time threshold t1If yes, go to the second step to judge whether the EGR valve meets the following conditions: required opening position E of EGR valveSetAnd actual opening position EActThe cumulative value C of the absolute value | Δ E | of the deviation of (1)|ΔE|160 or more, if the condition is met, the EGR valve is judged to respond to the slow fault, and an alarm is given; if the above condition is not satisfied, it is determined that there is no fault, and the next detection period is started again, and the accumulated activation time t1And the required opening position E of the EGR valveSetAnd actual opening position EActThe cumulative value C of the deviation of (2)|ΔE|Are reset to zero.
As shown in fig. 2, the present embodiment further provides a system for monitoring the response state of an actuator, which specifically includes: the device comprises a diagnosis module 1, a storage module 2, a first judgment module 3 and a second judgment module 4, wherein the diagnosis module is used for acquiring activation condition information of an actuator, and the activation condition information comprises: rate of change of actuator at required opening position; and when the activation condition is determined to be met, activating fault diagnosis, so that the activation time starts to be accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator starts to be accumulated; the storage module is used for storing an accumulated value of the activation time and an accumulated value of an absolute value of a deviation between a required opening position and an actual opening position of the actuator; the first judgment module is used for carrying out first-step judgment within a preset activation time threshold value and judging whether the actuator meets the following conditions: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to a preset duration; if so, judging that the fault diagnosis activation is failed, pausing and reserving the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator, reconfirming the activation condition, continuously accumulating the activation time after the fault diagnosis is reactivated, and continuously accumulating the absolute value of the deviation between the required opening position and the actual opening position of the actuator; if not, continuously accumulating the activation time, and continuously accumulating the absolute value of the deviation between the required opening position and the actual opening position of the actuator; the second judgment module is used for judging in the second step, and when the accumulated activation time reaches the preset activation time threshold, whether the actuator meets the following conditions is judged: the accumulated sum of the absolute values of the deviations of the required opening position and the actual opening position of the actuator is greater than or equal to a preset deviation accumulated threshold, and if so, the slow response fault of the actuator is judged; if not, judging that no fault exists, and then entering the next detection period.
Specifically, the system for monitoring the response state of the actuator further includes: and the resetting module is used for resetting the activation time accumulated value of the previous detection period to zero when entering the next detection period, and resetting the accumulated value of the absolute value of the deviation between the required opening position and the actual opening position of the actuator of the previous detection period to zero.
Specifically, the system for monitoring the response state of the actuator further includes: and the alarm module is used for giving an alarm when the actuator is judged to respond to the slow fault.
As shown in fig. 3, in this embodiment, a device 50 for monitoring the response state of an actuator is further provided, which specifically includes: a memory 51 and a processor 52, the memory for storing executable commands; the processor is used for connecting with the memory and executing the executable command so as to complete the monitoring method of the response state of the actuator in any one of the above embodiments.
The embodiment also provides a computer readable storage medium, on which a computer program is stored; the computer program is executed by a processor to implement the method for monitoring the response state of an actuator according to any of the above-described embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A method of monitoring a response state of an actuator, comprising:
detecting the response state of the actuator according to a set period, wherein each detection period comprises:
acquiring activation condition information of an actuator, wherein the activation condition information comprises: a rate of change of the actuator at the desired opening position;
when the activation condition is determined to be met, fault diagnosis is activated for the first time, activation time starts to be accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator starts to be accumulated;
when the accumulated value of the activation time is within a preset activation time threshold, performing a first step of judgment to judge whether the actuator meets the following conditions: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to a preset duration; if so, determining that the fault diagnosis activation is invalid, pausing and retaining the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator, confirming the activation condition again, continuing to accumulate the activation time after the fault diagnosis is activated again, and continuing to accumulate the absolute value of the deviation between the required opening position and the actual opening position of the actuator; if not, the activation time is continuously accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator is continuously accumulated;
when the accumulated activation time reaches the preset activation time threshold, the second step of judgment is carried out, and whether the actuator meets the following conditions is judged: the accumulated value of the absolute values of the deviations of the required opening position and the actual opening position of the actuator is greater than or equal to a preset deviation accumulated threshold, and if so, the actuator is judged to respond to a slow fault; if not, judging that no fault exists, and then entering the next detection period.
2. The method of monitoring the response state of an actuator according to claim 1, wherein the activation condition information further includes: performance information of the actuator itself, a range of the required opening position of the actuator, and an upstream temperature of the actuator; and the activation condition includes: the actuator is an actuator without other performance faults except response performance, the required opening position of the actuator is within a normal opening range, the upstream temperature of the actuator is greater than a preset temperature minimum threshold, and the absolute value of the change rate of the actuator at the required opening position is greater than or equal to a change rate preset value.
3. The method for monitoring the response state of the actuator according to claim 1, wherein an alarm is given when it is determined that the actuator responds to a slow failure.
4. The actuator response state monitoring method according to claim 1, wherein when a next detection cycle is entered, the activation time integrated value of a previous detection cycle is reset to zero, and the integrated value of the absolute value of the deviation of the required opening position and the actual opening position of the actuator of a previous detection cycle is reset to zero.
5. The method of monitoring the response state of an actuator of claim 1, wherein the actuator is an EGR valve.
6. The method of monitoring the response state of an actuator according to claim 1, wherein the predetermined activation time threshold is 25s to 35 s.
7. A system for monitoring the response state of an actuator, comprising:
the diagnosis module is used for acquiring activation condition information of an actuator, and the activation condition information comprises: a rate of change of the actuator at the desired opening position; and is used for activating fault diagnosis when determining that the activation condition is satisfied;
a storage module that stores an integrated value of activation time and an integrated value of an absolute value of a deviation of a required opening position and an actual opening position of the actuator;
the first judgment module is used for carrying out first-step judgment within a preset activation time threshold value and judging whether the actuator meets the following conditions: the absolute value of the change rate of the actuator at the required opening position is smaller than a preset change rate value, and the duration is longer than or equal to a preset duration; if so, determining that the fault diagnosis activation is invalid, pausing and retaining the accumulation of the absolute value of the deviation between the required opening position and the actual opening position of the actuator, confirming the activation condition again, continuing to accumulate the activation time after the fault diagnosis is activated again, and continuing to accumulate the absolute value of the deviation between the required opening position and the actual opening position of the actuator; if not, the activation time is continuously accumulated, and the absolute value of the deviation between the required opening position and the actual opening position of the actuator is continuously accumulated;
and the second judgment module is used for judging in the second step, and judging whether the actuator meets the following conditions when the accumulated activation time reaches the preset activation time threshold: the accumulated sum of the absolute values of the deviations of the required opening position and the actual opening position of the actuator is greater than or equal to a preset deviation accumulated threshold, and if so, the slow response fault of the actuator is judged; if not, judging that no fault exists, and then entering the next detection period.
8. The system for monitoring the response state of an actuator of claim 7, further comprising:
and the resetting module is used for resetting the activation time accumulated value of the previous detection period to zero when entering the next detection period, and resetting the accumulated value of the absolute value of the deviation between the required opening position and the actual opening position of the actuator of the previous detection period to zero.
9. An actuator response status monitoring apparatus, comprising:
a memory for storing executable commands;
a processor for interfacing with said memory and executing executable commands to perform a method of monitoring the response status of an actuator as claimed in any one of claims 1 to 6.
10. A computer-readable storage medium having a computer program stored thereon; a computer program for execution by a processor to implement a method of monitoring the response state of an actuator as claimed in any one of claims 1 to 6.
CN202210238546.5A 2022-03-11 Method and system for monitoring response state of actuator Active CN114689310B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210238546.5A CN114689310B (en) 2022-03-11 Method and system for monitoring response state of actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210238546.5A CN114689310B (en) 2022-03-11 Method and system for monitoring response state of actuator

Publications (2)

Publication Number Publication Date
CN114689310A true CN114689310A (en) 2022-07-01
CN114689310B CN114689310B (en) 2024-07-19

Family

ID=

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10318023A (en) * 1997-05-16 1998-12-02 Toyota Motor Corp Catalyst deterioration judging device for internal combustion engine
EP1529952A2 (en) * 2003-11-07 2005-05-11 Hitachi, Ltd. Electronic EGR gas control system
US20120167665A1 (en) * 2010-12-31 2012-07-05 Cummins Intellectual Properties, Inc. System and method for monitoring and detecting faults in a closed-loop system
JP2014092066A (en) * 2012-11-02 2014-05-19 Toyota Motor Corp EGR valve fault detection device
JP2016200041A (en) * 2015-04-09 2016-12-01 三菱電機株式会社 Control device for actuator, actuator, valve drive device and control method for actuator
CN112485010A (en) * 2020-11-30 2021-03-12 潍柴动力股份有限公司 Method and system for detecting response state of engine electric control actuator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10318023A (en) * 1997-05-16 1998-12-02 Toyota Motor Corp Catalyst deterioration judging device for internal combustion engine
EP1529952A2 (en) * 2003-11-07 2005-05-11 Hitachi, Ltd. Electronic EGR gas control system
US20120167665A1 (en) * 2010-12-31 2012-07-05 Cummins Intellectual Properties, Inc. System and method for monitoring and detecting faults in a closed-loop system
JP2014092066A (en) * 2012-11-02 2014-05-19 Toyota Motor Corp EGR valve fault detection device
JP2016200041A (en) * 2015-04-09 2016-12-01 三菱電機株式会社 Control device for actuator, actuator, valve drive device and control method for actuator
CN112485010A (en) * 2020-11-30 2021-03-12 潍柴动力股份有限公司 Method and system for detecting response state of engine electric control actuator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FRIEDRICH I: "Oehlerking D. Coordinated EGR-rate model-based controls of turbocharged diesel engines via an intake throttle and an EGR valve", 2009 IEEE VEHICLE POWER AND PROPULSION CONFERENCE, 30 December 2009 (2009-12-30) *
李云霞: "满足国六排放法规的EGR***诊断", 内燃机与配件, no. 7, 1 April 2024 (2024-04-01) *

Similar Documents

Publication Publication Date Title
US6883123B2 (en) Microprocessor runaway monitoring control circuit
US10196955B2 (en) System, method, and apparatus for aftertreatment system monitoring
US6904783B2 (en) System and method for detecting faulty fuel tank level sensor
US20170168912A1 (en) Testing framework for control devices
CN110132381B (en) Venturi differential pressure sensor credibility diagnosis method and device
CN111949468B (en) Dual-port disk management method, dual-port disk management device, terminal and storage medium
KR101977431B1 (en) Method and device for monitoring a voltage supply for a vehicle system
KR20160016028A (en) Method and system for detecting fault of rear oxygen sensor
US8650003B2 (en) Validation process for fault detection of a device
US10581665B2 (en) Content-aware anomaly detection and diagnosis
CN110955571A (en) Fault management system for functional safety of vehicle-specification-level chip
CN112485010A (en) Method and system for detecting response state of engine electric control actuator
US20220129338A1 (en) Chip Fault Diagnosis Method, Chip Fault Diagnosis Device, Computer-Readable Storage Medium and Electronic Equipment
CN111927640A (en) Engine fault detection method, device, equipment and computer readable storage medium
CN109597389B (en) Test system of embedded control system
CN114689310A (en) Method and system for monitoring response state of actuator
CN111775959B (en) Fault diagnosis method and device for accelerator pedal and vehicle
CN114689310B (en) Method and system for monitoring response state of actuator
JP3923810B2 (en) Electronic control device for vehicle
CN110287510B (en) Diagnosis control method, system, storage medium and terminal based on correlation of main valve opening data of water turbine
US11726853B2 (en) Electronic control device
CN113625957A (en) Hard disk fault detection method, device and equipment
CN110825062B (en) Emergency processing system and method for strip steel cleaning section signals
CN114283956A (en) Intelligent data reconstruction method and system for sensor
CN218862750U (en) Engine control device and engine system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant