CN112901355A - Method, device and system for adaptively correcting accelerator pedal of engine - Google Patents
Method, device and system for adaptively correcting accelerator pedal of engine Download PDFInfo
- Publication number
- CN112901355A CN112901355A CN202110159889.8A CN202110159889A CN112901355A CN 112901355 A CN112901355 A CN 112901355A CN 202110159889 A CN202110159889 A CN 202110159889A CN 112901355 A CN112901355 A CN 112901355A
- Authority
- CN
- China
- Prior art keywords
- accelerator pedal
- app
- engine
- accelerator
- value
- 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
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D11/106—Detection of demand or actuation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention relates to a method for adaptively correcting an engine accelerator pedal, which comprises the steps of collecting an accelerator pedal signal according to an engine controller; according to the static working state of the engine, the engine controller performs adaptive correction parameter calculation and assignment on an accelerator pedal signal, and corrects the opening of the accelerator pedal according to actual requirements; according to the dynamic working state of the engine, the engine controller checks the corrected value of the opening degree of the accelerator pedal by monitoring the running state parameters of the engine, and judges the calculation accuracy and rationality of the opening degree of the accelerator pedal; according to the static working state and the dynamic working state of the engine, an engine controller is provided with an accelerator pedal signal credibility detection and fault diagnosis mechanism to carry out fault diagnosis on the accelerator pedal signal. The method has the effects of calculating the self-adaptive control parameters of the accelerator pedal according to the working state of the accelerator pedal and the working state of the engine, correcting the opening of the accelerator pedal and ensuring the redundancy and reliability of the opening of the accelerator pedal.
Description
Technical Field
The invention relates to the technical field of accelerator pedal control, in particular to a method, a device and a system for adaptively correcting an engine accelerator pedal.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
In the application process of the existing marine electronic control engine, the situation that the calibration parameters of the accelerator are not matched and the like easily occurs when the marine accelerator pedal is matched with the marine electronic control engine due to the problems of performance difference and the like of domestic or international marine accelerator pedals. Meanwhile, besides the function of the accelerator pedal, the accelerator pedal of the marine engine also integrates the function of the ship engine co-arrangement control, so that the conditions of error, zero drift and the like of the accelerator pedal signal are easy to occur, the redundancy of the accelerator pedal is easy to be insufficient only by calibration, the reliability is low, and the dangerous condition is caused.
Disclosure of Invention
The invention aims to at least solve the problem of how to calculate the self-adaptive control parameters of the accelerator pedal to correct the opening of the accelerator pedal according to the working state of the accelerator pedal and the working state of an engine and ensure the redundancy and reliability of the opening of the accelerator pedal. The purpose is realized by the following technical scheme:
a first aspect of the invention provides a method for adaptively correcting an accelerator pedal of an engine, which comprises the following steps
Powering on an engine controller;
acquiring an initial value of the voltage of an accelerator pedal signal;
according to the static working state of the engine, the engine controller performs adaptive correction parameter calculation and assignment on the accelerator pedal signal, corrects the opening of the accelerator pedal according to actual requirements, and calculates the opening matching stroke of the accelerator pedal;
according to the dynamic working state of the engine, the engine controller checks the corrected value of the opening degree of the accelerator pedal by monitoring the running state parameters of the engine, judges the calculation accuracy and rationality of the opening degree of the accelerator pedal, and calculates the corrected parameter of the opening degree of the accelerator pedal based on dynamic debugging.
According to the static working state and the dynamic working state of the engine, an accelerator pedal signal credibility detection and fault diagnosis mechanism is established by the engine controller to carry out fault diagnosis on the accelerator pedal signal; monitoring the accelerator pedal signal when the accelerator pedal signal is normal; when the signal of the accelerator pedal is abnormal, the engine controller performs degradation processing and prompts a driver to check the signal of the accelerator pedal; after the fault of the accelerator pedal signal is repaired, the accelerator pedal signal needs to be subjected to adaptive correction parameter calculation again.
According to the method for adaptively correcting the accelerator pedal of the engine, the method for adaptively correcting the opening of the accelerator pedal is executed under the static working state and the dynamic working state of the engine respectively according to the working state of the engine. According to the static accelerator pedal correction result, when the engine runs dynamically, the dynamic characteristic of the accelerator pedal of the engine is corrected and verified again, and redundancy difference caused by the influence of the working state of the engine on the voltage amplitude is avoided.
Meanwhile, the self-adaptive correction of the accelerator pedal signal takes account of static working conditions and dynamic working conditions of the engine, and also takes account of the fault diagnosis of the accelerator pedal signal as a precondition, and establishes a mechanism for detecting the credibility of the accelerator pedal signal and diagnosing the fault. After the accelerator pedal fault diagnosis and the adaptive correction of the accelerator pedal, the final accelerator pedal opening value is obtained, the accelerator pedal opening can be accurately calculated, and the calculation redundancy and reliability of the accelerator pedal opening are improved.
In addition, the method for adaptively correcting the accelerator pedal of the engine according to the invention can also have the following additional technical characteristics:
in some embodiments of the invention, the engine operating condition parameters include throttle opening, speed, torque, and fuel injection amount.
In some embodiments of the present invention, the adaptive correction of the accelerator pedal opening in the static operating state of the engine comprises the following steps:
acquiring a power-on state of T15;
acquiring the voltage APP _ uRawT15 of the accelerator pedal at the moment according to the power-on state of the T15, and detecting whether the change state of the input voltage signal of the accelerator pedal is changed;
judging whether the APP _ uRaw is smaller than a maximum deviation threshold value or not according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the voltage APP _ uRawT15 of the accelerator pedal;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal keeps the preset time for more than 2 s-3 s or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum deviation threshold;
keeping the preset time for more than 2-3 s according to the original voltage signal APP _ uRaw of the accelerator pedal, judging that the ship engine is in a row-combining operation state, and acquiring the maximum value APP _ uRawzero of the voltage signal of the accelerator pedal and storing the maximum value APP _ uRawzero in an EEPROM;
obtaining a deviation value APP _ uRawDiffLo according to the difference value between the maximum value APP _ uRawzero of the accelerator pedal voltage signal and the calibrated minimum value of the accelerator pedal opening;
checking MAP according to the deviation value APP _ uRawDiffLo to obtain an accelerator opening correction value APP _ rfacCorValLo;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValLo to obtain a final accelerator opening value APP _ r.
In some embodiments of the present invention, the adaptive correction of the accelerator pedal opening degree in the static operating state of the engine further comprises
Judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than a maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value;
judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the accelerator pedal original voltage signal APP _ uRaw is larger than the maximum threshold of the accelerator stroke;
according to the fact that when the accelerator opening APP _ r reaches 100%, the engine is maintained at a high idle speed, the input value of the accelerator pedal voltage signal is kept for a period of time, the ship is judged to be at the full-stroke position of the accelerator, and the accelerator pedal voltage signal value APP _ uRawfull at the moment is obtained and stored in an EEPROM;
according to the difference value between the voltage signal value APP _ uRawFull of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal, a deviation value APP _ uRawDiffHi is taken;
obtaining an accelerator opening correction value APP _ rfacCorValHi according to the deviation value APP _ uRawDiffHi;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
In some embodiments of the present invention, the adaptive correction of the accelerator pedal opening degree in the static operating state of the engine further comprises
When the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum threshold value of the accelerator stroke, acquiring the voltage value of the accelerator pedal at the moment and storing the voltage value in an EEPROM;
judging whether the accelerator pedal is kept for a period of time or not according to the voltage value of the accelerator pedal at the moment;
judging whether the counting times exceed a certain threshold value or not according to the fact that the accelerator pedal is kept for a period of time;
according to the fact that the counting times exceed a certain threshold value, the engine is maintained at a high idle speed, the voltage signal input value of the accelerator pressing plate is kept for a period of time, the ship is judged to be at the full-stroke position of the accelerator, and the voltage signal value APP _ uRawfull of the accelerator pedal at the moment is obtained and stored in an EEPROM;
and calculating to obtain a final accelerator opening value APP _ r according to the accelerator pedal voltage signal value APP _ uRawFull.
In some embodiments of the invention, the adaptive adjustment of the accelerator pedal of the dynamic working state of the engine comprises the following steps
Acquiring a power-on state of T15, and acquiring an accelerator pedal voltage APP _ uRawT15 according to the power-on state of T15;
acquiring a T50 state and an engine speed state, and acquiring an accelerator pedal signal APP _ uRawT50 at the time when the engine is started according to the T50 and the engine speed is equal to a low idle speed;
monitoring the accelerator pedal signal APP _ uRawT50, and judging whether the working state of the accelerator pedal changes or not according to the accelerator pedal signal APP _ uRawT 50;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal is larger than the signal APP _ uRawT50 of the accelerator pedal according to the change of the working state of the accelerator pedal;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal is smaller than a maximum threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the original voltage signal APP _ uRawT50 of the accelerator pedal;
judging whether the opening degree of an accelerator pedal of the engine is larger than 0% when the engine speed is changed in the accelerator pedal signal APP _ uRawT50 according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than a maximum threshold value;
acquiring the maximum voltage value APP _ uRawEpmLo of the accelerator pedal signal and storing the maximum voltage value APP _ uRawEpmLo in an EEPROM (electrically erasable programmable read-only memory) when the opening of the accelerator pedal of the engine is larger than 0%;
determining that the ship fixing machine is in a row-closing operation state according to the maximum value APP _ uRawEpmLo of the voltage of the accelerator pedal signal, wherein the parameters of the accelerator pedal are statically corrected and need to be dynamically corrected, and obtaining the maximum value APP _ uRawZeroEpm of the voltage signal of the accelerator pedal at this time and storing the maximum value APP _ uRawZeroEpm in an EEPROM;
obtaining a deviation value APP _ uRawDiffLoEpm according to the difference value between the maximum value APP _ uRawZeroEpm of the voltage signal of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal;
obtaining an accelerator opening correction value APP _ rfacCorValLoEpm according to the deviation value APP _ uRawDiffLoEpm;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValLoEpm to obtain a final accelerator opening value APP _ r.
In some embodiments of the present invention, the adaptive adjustment of the accelerator pedal for the dynamic working state of the engine further comprises
Judging whether the idling torque demand and the internal torque of the engine are instantaneously increased or not when the opening of an accelerator pedal of the engine is not more than 0% according to the rotating speed of the engine when the signal of the accelerator pedal is changed;
and judging that the ship engine is in an arrangement state according to the idling torque demand of the engine and the instantaneous increase of the internal torque, and the static pedal signal correction parameter is correct and is not corrected.
In some embodiments of the present invention, the adaptive adjustment of the accelerator pedal for the dynamic working state of the engine further comprises
Judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than a maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value;
judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the accelerator pedal original voltage signal APP _ uRaw is larger than the maximum threshold of the accelerator stroke;
judging that the ship is at the full-stroke position of the accelerator according to the condition that the accelerator opening APP _ r reaches 100%, and acquiring and storing an accelerator pedal voltage signal value APP _ uRawEpmHi in an EEPROM (electrically erasable programmable read-only memory);
comparing the signal voltage amplitude of the accelerator pedal when the static full accelerator and the dynamic full accelerator are adopted;
judging whether the static full throttle voltage value is larger than the dynamic full throttle voltage value plus a certain deviation threshold value or not according to the magnitude of the signal voltage amplitude of the throttle pedal;
according to the fact that the static full accelerator voltage value is larger than the dynamic full accelerator voltage value plus a certain deviation threshold value, the sum of the dynamic full accelerator voltage value and an allowable fault-tolerant deviation value is used as an accelerator pedal correction parameter, and the accelerator pedal voltage value APP _ uRawFullEpm at the moment is obtained and stored in an EEPROM;
according to the accelerator pedal voltage value APP _ uRawFullEpm and the minimum value of the accelerator pedal opening calibration, taking a deviation value APP _ uRawDiffHiEpm;
obtaining an accelerator opening correction value APP _ rfacCorValHiEpm by checking MAP according to the deviation value APP _ uRawDiffHiEpm;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
The invention also provides a device for adaptively correcting the engine accelerator pedal, which is used for implementing the method for adaptively correcting the engine accelerator pedal according to any one of claims 1 to 8, and comprises a data receiving module, a control module, a judgment module, a calculation module, a monitoring module, a judgment module and a fault diagnosis module;
the data receiving module is used for receiving and processing throttle signals of an engine controller and a throttle pedal;
the control module is used for controlling the power-on state of the T15;
the judging module is used for judging whether the input of the next signal is satisfied according to the obtained input signal;
the calculation module is used for calculating the voltage signal value and the frequency of the accelerator pedal and the final accelerator opening value APP _ r;
the monitoring module is used for monitoring the running state parameters of the engine;
the judging module is used for judging whether the ship engine is in a row combination operation state or in an accelerator full stroke position;
the fault diagnosis module is used for judging whether the accelerator pedal has faults or not, and when the accelerator pedal signal has faults, the fault of the accelerator pedal signal is degraded for use; when the signal fault of the accelerator pedal is cured, the self-adaptive correction parameters of the accelerator pedal need to be recalculated.
The invention also provides a system for adaptively correcting an engine accelerator pedal, which comprises the device for adaptively correcting the engine accelerator pedal and a memory as claimed in claim 9,
the memory stores a method for adaptive correction of an engine accelerator pedal according to any one of claims 1 to 8.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
FIG. 1 is a flow chart of adaptive correction of a marine engine accelerator pedal of the present application;
FIG. 2 is a flow chart of an accelerator pedal signal credibility detection and fault diagnosis mechanism of the present application;
FIG. 3 is a flowchart of adaptive correction of static accelerator pedal opening of an engine according to the present application;
FIG. 4 is a flow chart of the adaptive regulation of the accelerator pedal under dynamic operating conditions of the engine according to the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in FIG. 1, according to the embodiment of the invention, a method for adaptively correcting an accelerator pedal of an engine is provided, which comprises the following steps
S1: and electrifying the engine controller, and acquiring an accelerator pedal signal by the engine controller, and processing the accelerator pedal signal to obtain an initial value of the voltage of the accelerator pedal signal. The engine controller is the core of the engine control system.
S2: an engine controller is provided with an accelerator pedal signal credibility detection and fault diagnosis mechanism for carrying out fault diagnosis on an accelerator pedal signal; monitoring the accelerator pedal signal when the accelerator pedal signal is normal; when the signal of the accelerator pedal is abnormal, the engine controller performs degradation processing and prompts a driver to check the signal of the accelerator pedal; after the fault of the accelerator pedal signal is repaired, the accelerator pedal signal needs to be subjected to adaptive correction parameter calculation again. Therefore, the accelerator pedal signal can be acquired according to the engine controller, and the initial voltage value of the accelerator pedal signal can be acquired.
S3: according to the static working state of the engine, the engine controller carries out adaptive correction parameter calculation and assignment on an accelerator pedal signal, corrects the opening of the accelerator pedal according to actual requirements and calculates the matching stroke of the opening of the accelerator pedal.
S4: according to the dynamic working state of the engine, the engine controller checks the corrected value of the opening of the accelerator pedal by monitoring the running state parameters (such as the opening of the accelerator, the rotating speed, the torque, the fuel injection quantity and the like) of the engine, judges the calculation accuracy and the rationality of the opening of the accelerator pedal and calculates the corrected parameter of the opening of the accelerator pedal based on dynamic debugging.
Specifically, the adaptive correction of the accelerator pedal signal takes account of the fault diagnosis of the accelerator pedal signal as a precondition in addition to the static working condition and the dynamic working condition of the engine, so that the engine controller is provided with an accelerator pedal signal credibility detection and fault diagnosis mechanism to perform fault diagnosis on the accelerator pedal signal. When the signal of the accelerator pedal has a fault, the signal of the accelerator pedal is degraded for use, and when the signal of the accelerator pedal has a fault, the adaptive correction parameter of the accelerator pedal needs to be recalculated, as shown in fig. 2 specifically:
and acquiring an engine accelerator pedal signal according to a fault diagnosis mechanism, directly entering an accelerator pedal correction parameter calculation logic when no fault occurs in the accelerator pedal fault diagnosis, and calculating and outputting a final accelerator pedal opening APP _ r according to the engine accelerator pedal correction parameter.
Or when the fault is diagnosed according to the fault diagnosis mechanism of the accelerator pedal, the accelerator pedal goes down the degradation processing logic, and the signal of the accelerator pedal of the engine is degraded;
when the signal fault of the accelerator pedal occurs and is cured again, the calculation logic of the correction parameter of the accelerator pedal of the engine is triggered again, and the final opening APP _ r of the accelerator pedal is calculated and output according to the correction parameter of the accelerator pedal of the engine.
Under the condition of considering multiple working conditions, calculating an accelerator pedal opening correction parameter based on the running state of the engine, and ensuring the reliability and the safety of the accelerator pedal opening; meanwhile, the signal fault diagnosis and optimization logic of the accelerator pedal are considered, and the calculation safety of the accelerator pedal is improved; and the self-adaptive parameter correction calculation is adopted, so that the accuracy and the reliability of the calculation are improved.
As shown in fig. 3, specifically, the adaptive correction of the accelerator pedal opening in the static operating state of the engine includes the following steps:
and S30, acquiring the power-on state of the T15, wherein T15 is an enabling signal for controlling the work of the engine controller.
And S31, acquiring the voltage APP _ uRawT15 of the accelerator pedal at the moment according to the power-on state of the T15, and detecting whether the change state of the input voltage signal of the accelerator pedal is changed.
And S32, judging whether the APP _ uRaw is smaller than the maximum deviation threshold value or not according to the condition that the original accelerator pedal voltage signal APP _ uRaw is larger than the accelerator pedal voltage APP _ uRawT 15.
And S33, judging whether the original voltage signal APP _ uRaw of the accelerator pedal keeps the preset time for more than 2S-3S or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum deviation threshold value.
And S34, keeping the preset time for more than 2-3S according to the original voltage signal APP _ uRaw of the accelerator pedal, judging that the ship engine is in a row combination operation state, and acquiring the maximum value APP _ uRawzero of the voltage signal of the accelerator pedal and storing the maximum value APP _ uRawzero in an EEPROM (electrically erasable programmable read-Only memory).
And S35, obtaining a deviation value APP _ uRawDiffLo according to the difference value between the maximum value APP _ uRawzero of the accelerator pedal voltage signal and the calibrated minimum value of the accelerator pedal opening.
And S36, checking the MAP according to the deviation value APP _ uRawDiffLo to obtain an accelerator opening correction value APP _ rfacCorValLo.
And S37, calculating according to the original voltage signal APP _ uRaw of the accelerator pedal to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValLo to obtain the final accelerator opening value APP _ r.
Or comprises the following steps:
and S320, judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value.
S321, judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the accelerator pedal original voltage signal APP _ uRaw is larger than the maximum threshold of the accelerator stroke.
And S322, according to the condition that the accelerator opening APP _ r reaches 100%, the engine is maintained at a high idle speed and the input value of the accelerator pedal voltage signal is kept for a period of time, the ship is judged to be at the full-stroke position of the accelerator, and the current accelerator pedal voltage signal value APP _ uRawfull is obtained and stored in an EEPROM memory.
S323, obtaining a deviation value APP _ uRawDiffHi according to the difference value between the voltage signal value APP _ uRawFull of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal.
And S324, obtaining an accelerator opening correction value APP _ rfacCorValHi according to the deviation value APP _ uRawDiffHi.
And S325, calculating the accelerator opening according to the original voltage signal APP _ uRaw of the accelerator pedal to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain the final accelerator opening value APP _ r.
The method can also comprise the following steps:
and S3200, acquiring the voltage value of the accelerator pedal at the moment and storing the voltage value in an EEPROM memory when the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum threshold value of the accelerator stroke.
And S3201, judging whether the accelerator pedal is kept for a period of time according to the voltage value of the accelerator pedal at the moment.
And S3202, judging whether the counting number exceeds a certain threshold value according to the fact that the accelerator pedal is kept for a period of time.
And S3203, according to the fact that the counting times exceed a certain threshold value, the engine is maintained at a high idle speed, the voltage signal input value of the accelerator pressing plate is kept for a period of time, the ship is judged to be at the full stroke position of the accelerator, and the voltage signal value APP _ uRawfull of the accelerator pedal at the moment is obtained and stored in an EEPROM memory.
S3204, a deviation value APP _ uRawDiffHi is taken according to the difference value between the voltage signal value APP _ uRawFull of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal;
s3205, obtaining an accelerator opening correction value APP _ rfacCorValHi according to the deviation value APP _ uRawDiffHi;
and S3206, calculating according to the original voltage signal APP _ uRaw of the accelerator pedal to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
As shown in fig. 4, specifically, the adaptive adjustment of the accelerator pedal in the dynamic operating state of the engine includes the following steps:
s40: acquiring a power-on state of T15, and acquiring an accelerator pedal voltage APP _ uRawT15 according to the power-on state of T15;
s41: and acquiring a T50 state and an engine speed state, and acquiring an accelerator pedal signal APP _ uRawT50 at the time when the engine is started according to T50 and the engine speed is equal to a low idle speed.
S42: monitoring an accelerator pedal signal APP _ uRawT50, and judging whether the working state of the accelerator pedal changes or not according to the accelerator pedal signal APP _ uRawT 50.
S43: and judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than the signal APP _ uRawT50 of the accelerator pedal according to the working state change of the accelerator pedal.
S44: and judging whether the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the original voltage signal APP _ uRawT50 of the accelerator pedal.
S45: and judging whether the opening of the accelerator pedal of the engine is larger than 0% when the engine speed is changed in the accelerator pedal signal APP _ uRawT50 according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum threshold value.
S46: when the opening of an accelerator pedal of an engine is larger than 0%, the rotating speed of the engine is suddenly changed, the rotating speed sudden change of the engine is recorded, and the maximum voltage value APP _ uRawEpmLo of the accelerator pedal signal is stored in an EEPROM memory.
S47: and judging that the ship fixing machine is in a row-combining operation state according to the maximum value APP _ uRawEpmLo of the voltage of the accelerator pedal signal, dynamically correcting the parameters of the accelerator pedal in a static state, acquiring the maximum value APP _ uRawZeroEpm of the voltage signal of the accelerator pedal at this time, and storing the maximum value APP _ uRawZeroEpm in an EEPROM (electrically erasable programmable read-only memory).
S48: and taking a deviation value APP _ uRawDiffLoEpm according to the difference value between the maximum value APP _ uRawZeroEpm of the accelerator pedal voltage signal and the calibrated minimum value of the accelerator pedal opening.
S49: and obtaining an accelerator opening correction value APP _ rfacCorValLoEpm according to the deviation value APP _ uRawDiffLoEpm.
S410: and calculating the accelerator opening and adding an accelerator opening correction value APP _ rfacCorValLoEpm to obtain a final accelerator opening value APP _ r according to the original accelerator pedal voltage signal APP _ uRaw.
Or comprises the following steps:
and S450, judging whether the idling torque demand and the internal torque of the engine are instantaneously increased or not when the opening of the accelerator pedal of the engine is not more than 0% when the signal of the accelerator pedal is changed according to the rotating speed of the engine.
And S451, judging that the ship engine is in an arrangement state according to the idling torque demand of the engine and the instantaneous increase of the internal torque, and striving for static pedal signal correction parameters without performing parameter correction.
The method can also comprise the following steps:
and S440, judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value.
And S441, judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the maximum threshold of the accelerator stroke.
And S442, judging that the ship is at the full-stroke position of the accelerator according to the fact that the opening degree APP _ r of the accelerator reaches 100%, and acquiring a voltage signal value APP _ uRawEpmHi of the accelerator at the moment and storing the voltage signal value APP _ uRawEpmHi in an EEPROM memory.
And S443, comparing the signal voltage amplitude of the accelerator pedal when the accelerator is full statically and when the accelerator is full dynamically.
And S444, judging whether the static full throttle voltage value is larger than the dynamic full throttle voltage value plus a certain deviation threshold value according to the amplitude of the signal voltage of the throttle pedal.
S445, according to the condition that the static full throttle accelerator voltage value is larger than the dynamic full throttle accelerator voltage value plus a certain deviation threshold, taking the sum of the dynamic full throttle voltage value and the allowable fault-tolerant deviation value as an accelerator pedal correction parameter, and obtaining the accelerator pedal voltage value APP _ uRawFullEpm at the moment and storing the accelerator pedal voltage value APP _ uRawFullEpm in an EEPROM memory.
S446, taking a deviation value APP _ uRawDiffHiEpm according to the accelerator pedal voltage value APP _ uRawFullEpm and the minimum value of the accelerator pedal opening calibration.
And S447, obtaining an accelerator opening correction value APP _ rfacCorValHiEpm by checking MAP according to the deviation value APP _ uRawDiffHiEpm.
And S448, calculating according to the original voltage signal APP _ uRaw of the accelerator pedal to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
The invention further provides a device for adaptively correcting the accelerator pedal of the engine, which comprises a data receiving module, a control module, a judgment module, a calculation module, a monitoring module, a judgment module and a fault diagnosis module.
The data receiving module is used for receiving and processing throttle signals of an engine controller and a throttle pedal.
The control module is used to control the power-on state of T15.
The judging module is used for judging whether the input of the next signal is satisfied according to the obtained input signal.
The calculation module is used for calculating the voltage signal value and the frequency of the accelerator pedal and the final accelerator opening value APP _ r.
The monitoring module is used for monitoring the running state parameters of the engine.
The judging module is used for judging whether the ship engine is in a row combination operation state or in an accelerator full stroke position.
The fault diagnosis module is used for judging whether the accelerator pedal has faults or not, and when the accelerator pedal signal has faults, the fault of the accelerator pedal signal is degraded for use; when the signal fault of the accelerator pedal is cured, the self-adaptive correction parameters of the accelerator pedal need to be recalculated.
The invention also provides a system for adaptively correcting the accelerator pedal of the engine, which comprises the device for adaptively correcting the accelerator pedal of the engine and a memory,
the memory stores the method for adaptively correcting the engine accelerator pedal.
In summary, according to the method for adaptively correcting the accelerator pedal opening of the engine of the present invention, the method for adaptively correcting the accelerator pedal opening is performed in the static operating state and the dynamic operating state of the engine respectively according to the operating state of the engine. According to the static accelerator pedal correction result, when the engine runs dynamically, the dynamic characteristic of the accelerator pedal of the engine is corrected and verified again, and redundancy difference caused by the influence of the working state of the engine on the voltage amplitude is avoided.
Besides the static working condition and the dynamic working condition of the engine are considered, the engine controller also establishes an accelerator pedal signal credibility detection and fault diagnosis mechanism, when the accelerator pedal signal has a fault, the accelerator pedal signal fault is degraded for use, and when the accelerator pedal signal fault is cured, the adaptive correction parameter of the accelerator pedal is required to be recalculated. After the accelerator pedal fault diagnosis and the adaptive correction of the accelerator pedal, the final accelerator pedal opening value is obtained, the accelerator pedal opening can be accurately calculated, and the calculation redundancy and reliability of the accelerator pedal opening are improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for adaptively correcting an accelerator pedal of an engine is characterized by comprising the following steps: comprises that
Powering on an engine controller;
acquiring an initial value of the voltage of an accelerator pedal signal;
according to the static working state of the engine, the engine controller performs adaptive correction parameter calculation and assignment on the accelerator pedal signal, corrects the opening of the accelerator pedal according to actual requirements, and calculates the opening matching stroke of the accelerator pedal;
according to the dynamic working state of the engine, the engine controller checks the corrected value of the opening degree of the accelerator pedal by monitoring the running state parameters of the engine, judges the calculation accuracy and rationality of the opening degree of the accelerator pedal, and calculates the corrected parameter of the opening degree of the accelerator pedal based on dynamic debugging.
According to the static working state and the dynamic working state of the engine, an accelerator pedal signal credibility detection and fault diagnosis mechanism is established by the engine controller to carry out fault diagnosis on the accelerator pedal signal; monitoring the accelerator pedal signal when the accelerator pedal signal is normal; when the signal of the accelerator pedal is abnormal, the engine controller performs degradation processing and prompts a driver to check the signal of the accelerator pedal; after the fault of the accelerator pedal signal is repaired, the accelerator pedal signal needs to be subjected to adaptive correction parameter calculation again.
2. The method of adaptive correction of an engine accelerator pedal according to claim 1, characterized in that: the engine running state parameters comprise accelerator opening, rotating speed, torque and fuel injection quantity.
3. The method of adaptive correction of an engine accelerator pedal according to claim 1, characterized in that: the self-adaptive correction of the opening degree of the accelerator pedal in the static working state of the engine comprises the following steps
Acquiring a power-on state of T15;
acquiring the voltage APP _ uRawT15 of the accelerator pedal at the moment according to the power-on state of the T15, and detecting whether the change state of the input voltage signal of the accelerator pedal is changed;
judging whether the APP _ uRaw is smaller than a maximum deviation threshold value or not according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the voltage APP _ uRawT15 of the accelerator pedal;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal keeps the preset time for more than 2 s-3 s or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum deviation threshold;
keeping the preset time for more than 2-3 s according to the original voltage signal APP _ uRaw of the accelerator pedal, judging that the ship engine is in a row-combining operation state, and acquiring the maximum value APP _ uRawzero of the voltage signal of the accelerator pedal and storing the maximum value APP _ uRawzero in an EEPROM;
obtaining a deviation value APP _ uRawDiffLo according to the difference value between the maximum value APP _ uRawzero of the accelerator pedal voltage signal and the calibrated minimum value of the accelerator pedal opening;
checking MAP according to the deviation value APP _ uRawDiffLo to obtain an accelerator opening correction value APP _ rfacCorValLo;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValLo to obtain a final accelerator opening value APP _ r.
4. The method of adaptive correction of an engine accelerator pedal according to claim 3, characterized in that: the self-adaptive correction of the opening degree of the accelerator pedal in the static working state of the engine further comprises
Judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than a maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value;
judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the accelerator pedal original voltage signal APP _ uRaw is larger than the maximum threshold of the accelerator stroke;
according to the fact that when the accelerator opening APP _ r reaches 100%, the engine is maintained at a high idle speed, the input value of the accelerator pedal voltage signal is kept for a period of time, the ship is judged to be at the full-stroke position of the accelerator, and the accelerator pedal voltage signal value APP _ uRawfull at the moment is obtained and stored in an EEPROM;
according to the difference value between the voltage signal value APP _ uRawFull of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal, a deviation value APP _ uRawDiffHi is taken;
obtaining an accelerator opening correction value APP _ rfacCorValHi according to the deviation value APP _ uRawDiffHi;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
5. The method of adaptive correction of an engine accelerator pedal according to claim 4, characterized in that: the self-adaptive correction of the opening degree of the accelerator pedal in the static working state of the engine further comprises
When the original voltage signal APP _ uRaw of the accelerator pedal is smaller than the maximum threshold value of the accelerator stroke, acquiring the voltage value of the accelerator pedal at the moment and storing the voltage value in an EEPROM;
judging whether the accelerator pedal is kept for a period of time or not according to the voltage value of the accelerator pedal at the moment;
judging whether the counting times exceed a certain threshold value or not according to the fact that the accelerator pedal is kept for a period of time;
according to the fact that the counting times exceed a certain threshold value, the engine is maintained at a high idle speed, the voltage signal input value of the accelerator pressing plate is kept for a period of time, the ship is judged to be at the full-stroke position of the accelerator, and the voltage signal value APP _ uRawfull of the accelerator pedal at the moment is obtained and stored in an EEPROM;
and calculating to obtain a final accelerator opening value APP _ r according to the accelerator pedal voltage signal value APP _ uRawFull.
6. The method of adaptive correction of an engine accelerator pedal according to claim 1, characterized in that: the self-adaptive adjustment of the accelerator pedal of the dynamic working state of the engine comprises the following steps
Acquiring a power-on state of T15, and acquiring an accelerator pedal voltage APP _ uRawT15 according to the power-on state of T15;
acquiring a T50 state and an engine speed state, and acquiring an accelerator pedal signal APP _ uRawT50 at the time when the engine is started according to the T50 and the engine speed is equal to a low idle speed;
monitoring the accelerator pedal signal APP _ uRawT50, and judging whether the working state of the accelerator pedal changes or not according to the accelerator pedal signal APP _ uRawT 50;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal is larger than the signal APP _ uRawT50 of the accelerator pedal according to the change of the working state of the accelerator pedal;
judging whether the original voltage signal APP _ uRaw of the accelerator pedal is smaller than a maximum threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is larger than the original voltage signal APP _ uRawT50 of the accelerator pedal;
judging whether the opening degree of an accelerator pedal of the engine is larger than 0% when the engine speed is changed in the accelerator pedal signal APP _ uRawT50 according to the condition that the original voltage signal APP _ uRaw of the accelerator pedal is smaller than a maximum threshold value;
acquiring the maximum voltage value APP _ uRawEpmLo of the accelerator pedal signal and storing the maximum voltage value APP _ uRawEpmLo in an EEPROM (electrically erasable programmable read-only memory) when the opening of the accelerator pedal of the engine is larger than 0%;
determining that the ship fixing machine is in a row-closing operation state according to the maximum value APP _ uRawEpmLo of the voltage of the accelerator pedal signal, wherein the parameters of the accelerator pedal are statically corrected and need to be dynamically corrected, and obtaining the maximum value APP _ uRawZeroEpm of the voltage signal of the accelerator pedal at this time and storing the maximum value APP _ uRawZeroEpm in an EEPROM;
obtaining a deviation value APP _ uRawDiffLoEpm according to the difference value between the maximum value APP _ uRawZeroEpm of the voltage signal of the accelerator pedal and the calibrated minimum value of the opening degree of the accelerator pedal;
obtaining an accelerator opening correction value APP _ rfacCorValLoEpm according to the deviation value APP _ uRawDiffLoEpm;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValLoEpm to obtain a final accelerator opening value APP _ r.
7. The method of adaptive correction of an engine accelerator pedal according to claim 6, characterized in that: the self-adaptive adjustment of the accelerator pedal of the dynamic working state of the engine further comprises
Judging whether the idling torque demand and the internal torque of the engine are instantaneously increased or not when the opening of an accelerator pedal of the engine is not more than 0% according to the rotating speed of the engine when the signal of the accelerator pedal is changed;
and judging that the ship engine is in an arrangement state according to the idling torque demand of the engine and the instantaneous increase of the internal torque, and the static pedal signal correction parameter is correct and is not corrected.
8. The method of adaptive correction of an engine accelerator pedal according to claim 6, characterized in that: the self-adaptive adjustment of the accelerator pedal of the dynamic working state of the engine further comprises
Judging whether the original voltage signal APP _ uRaw of the accelerator pedal is greater than a maximum deviation threshold value or not according to the fact that the original voltage signal APP _ uRaw of the accelerator pedal is greater than the maximum deviation threshold value;
judging whether the accelerator opening APP _ r reaches 100% or not according to the condition that the accelerator pedal original voltage signal APP _ uRaw is larger than the maximum threshold of the accelerator stroke;
judging that the ship is at the full-stroke position of the accelerator according to the condition that the accelerator opening APP _ r reaches 100%, and acquiring and storing an accelerator pedal voltage signal value APP _ uRawEpmHi in an EEPROM (electrically erasable programmable read-only memory);
comparing the signal voltage amplitude of the accelerator pedal when the static full accelerator and the dynamic full accelerator are adopted;
judging whether the static full throttle voltage value is larger than the dynamic full throttle voltage value plus a certain deviation threshold value or not according to the magnitude of the signal voltage amplitude of the throttle pedal;
according to the fact that the static full accelerator voltage value is larger than the dynamic full accelerator voltage value plus a certain deviation threshold value, the sum of the dynamic full accelerator voltage value and an allowable fault-tolerant deviation value is used as an accelerator pedal correction parameter, and the accelerator pedal voltage value APP _ uRawFullEpm at the moment is obtained and stored in an EEPROM;
according to the accelerator pedal voltage value APP _ uRawFullEpm and the minimum value of the accelerator pedal opening calibration, taking a deviation value APP _ uRawDiffHiEpm;
obtaining an accelerator opening correction value APP _ rfacCorValHiEpm by checking MAP according to the deviation value APP _ uRawDiffHiEpm;
and calculating the accelerator opening according to the original accelerator pedal voltage signal APP _ uRaw to obtain the accelerator opening, and adding the accelerator opening correction value APP _ rfacCorValHi to obtain a final accelerator opening value APP _ r.
9. An apparatus for adaptive correction of an engine accelerator pedal, for implementing the method for adaptive correction of an engine accelerator pedal according to any one of claims 1 to 8, characterized in that: the device for the self-adaptive correction of the engine accelerator pedal comprises a data receiving module, a control module, a judgment module, a calculation module, a monitoring module, a judgment module and a fault diagnosis module;
the data receiving module is used for receiving and processing throttle signals of an engine controller and a throttle pedal;
the control module is used for controlling the power-on state of the T15;
the judging module is used for judging whether the input of the next signal is satisfied according to the obtained input signal;
the calculation module is used for calculating the voltage signal value and the frequency of the accelerator pedal and the final accelerator opening value APP _ r;
the monitoring module is used for monitoring the running state parameters of the engine;
the judging module is used for judging whether the ship engine is in a row combination operation state or in an accelerator full stroke position;
the fault diagnosis module is used for judging whether the accelerator pedal has faults or not, and when the accelerator pedal signal has faults, the fault of the accelerator pedal signal is degraded for use; when the signal fault of the accelerator pedal is cured, the self-adaptive correction parameters of the accelerator pedal need to be recalculated.
10. A system for adaptive correction of an engine accelerator pedal is characterized in that: the system for adaptive correction of an engine accelerator pedal comprises the device for adaptive correction of an engine accelerator pedal as claimed in claim 9 and a memory,
the memory stores a method for adaptive correction of an engine accelerator pedal according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159889.8A CN112901355B (en) | 2021-02-05 | 2021-02-05 | Method, device and system for self-adaptive correction of engine accelerator pedal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110159889.8A CN112901355B (en) | 2021-02-05 | 2021-02-05 | Method, device and system for self-adaptive correction of engine accelerator pedal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112901355A true CN112901355A (en) | 2021-06-04 |
| CN112901355B CN112901355B (en) | 2023-05-23 |
Family
ID=76122701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110159889.8A Active CN112901355B (en) | 2021-02-05 | 2021-02-05 | Method, device and system for self-adaptive correction of engine accelerator pedal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112901355B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263546A (en) * | 2021-12-30 | 2022-04-01 | 易通共享技术(广州)有限公司 | Self-learning correction method and system for automobile pedal travel signal |
| CN114354163A (en) * | 2021-12-30 | 2022-04-15 | 潍柴动力股份有限公司 | Online calibration method and device for potentiometer type accelerator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073074A (en) * | 1997-12-22 | 2000-06-06 | Honda Giken Kogyo Kabushiki Kaisha | Throttle controller keeping consistent degree of opening of throttle at mode switching |
| KR20070014827A (en) * | 2005-07-29 | 2007-02-01 | 현대자동차주식회사 | An apparatus for electronic type accelerator pedal in vehicle repairing |
| CN106089459A (en) * | 2016-07-25 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of method of electric-control motor gas pedal characteristic self study |
| CN109849656A (en) * | 2019-03-28 | 2019-06-07 | 潍柴动力股份有限公司 | A kind of method of adjustment and device of accelerator open degree |
| CN110733339A (en) * | 2019-10-09 | 2020-01-31 | 郑州宇通重工有限公司 | Signal processing method for oil pedals |
| CN111022628A (en) * | 2019-12-11 | 2020-04-17 | 西安法士特汽车传动有限公司 | Electronic accelerator pedal characteristic self-learning method and automatic gearbox control unit |
| CN111016648A (en) * | 2019-12-31 | 2020-04-17 | 潍柴动力股份有限公司 | Throttle signal adjusting method and device |
-
2021
- 2021-02-05 CN CN202110159889.8A patent/CN112901355B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6073074A (en) * | 1997-12-22 | 2000-06-06 | Honda Giken Kogyo Kabushiki Kaisha | Throttle controller keeping consistent degree of opening of throttle at mode switching |
| KR20070014827A (en) * | 2005-07-29 | 2007-02-01 | 현대자동차주식회사 | An apparatus for electronic type accelerator pedal in vehicle repairing |
| CN106089459A (en) * | 2016-07-25 | 2016-11-09 | 潍柴动力股份有限公司 | A kind of method of electric-control motor gas pedal characteristic self study |
| CN109849656A (en) * | 2019-03-28 | 2019-06-07 | 潍柴动力股份有限公司 | A kind of method of adjustment and device of accelerator open degree |
| CN110733339A (en) * | 2019-10-09 | 2020-01-31 | 郑州宇通重工有限公司 | Signal processing method for oil pedals |
| CN111022628A (en) * | 2019-12-11 | 2020-04-17 | 西安法士特汽车传动有限公司 | Electronic accelerator pedal characteristic self-learning method and automatic gearbox control unit |
| CN111016648A (en) * | 2019-12-31 | 2020-04-17 | 潍柴动力股份有限公司 | Throttle signal adjusting method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263546A (en) * | 2021-12-30 | 2022-04-01 | 易通共享技术(广州)有限公司 | Self-learning correction method and system for automobile pedal travel signal |
| CN114354163A (en) * | 2021-12-30 | 2022-04-15 | 潍柴动力股份有限公司 | Online calibration method and device for potentiometer type accelerator |
| CN114263546B (en) * | 2021-12-30 | 2023-03-31 | 易通共享技术(广州)有限公司 | Self-learning correction method and system for automobile pedal travel signal |
| CN114354163B (en) * | 2021-12-30 | 2023-11-17 | 潍柴动力股份有限公司 | Online calibration method and calibration device for potentiometer type accelerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112901355B (en) | 2023-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112901355B (en) | Method, device and system for self-adaptive correction of engine accelerator pedal | |
| EP0718485B1 (en) | Automotive position sensing | |
| CN110375888B (en) | Method and apparatus for diagnosing coolant temperature sensor, vehicle, and storage medium | |
| US8234053B2 (en) | Fully-closed position learning method and vehicle motion control apparatus | |
| US7013241B2 (en) | Electronic control unit | |
| US20080245130A1 (en) | System for detecting failures in fuel systems | |
| CN110657047B (en) | Fault detection method and device for gas supply system and electronic control unit | |
| US7324891B2 (en) | Engine control method and device | |
| CN110715710B (en) | Liquid level meter fault detection method and device | |
| US6996463B2 (en) | Vehicle electronic control apparatus incorporating a plurality of microcomputers and implementing a microcomputer monitoring function | |
| EP1978225A1 (en) | Fuel injection amount learning and controlling method | |
| US7095238B2 (en) | Diagnostic method for a sensor | |
| US20110140685A1 (en) | Method for diagnosing a load drop | |
| JP2007303467A (en) | Automobile diagnostic method and automobile control device | |
| US20050033493A1 (en) | Vehicle-mounted electronic control apparatus | |
| JP4541173B2 (en) | Failure diagnosis device for fuel level sensor | |
| US7757018B2 (en) | Sequencing control of simultaneously executed forbidden pairs of first and second functions on at least two interacting devices based on priority | |
| US7231895B2 (en) | Method for operating a camshaft adjusting device | |
| US20050049768A1 (en) | Vehicle electronic controller | |
| WO2010114430A1 (en) | Calibration method for angular rate sensor | |
| US6295501B1 (en) | Method and arrangement for controlling a drive unit | |
| KR100448810B1 (en) | Malfunction detecting method of fuel level sensor for vehicle | |
| KR100193502B1 (en) | Sensor fault determination and output value correction method | |
| KR100844507B1 (en) | Alternator control method | |
| KR100196352B1 (en) | Obstacle-check control method of car speed sensor installed in diesel engine vehicle |
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 | ||
| GR01 | Patent grant |