CN104276106A - Accelerator pedal zero value fault diagnosis method for hybrid vehicles/blade electric vehicles - Google Patents
Accelerator pedal zero value fault diagnosis method for hybrid vehicles/blade electric vehicles Download PDFInfo
- Publication number
- CN104276106A CN104276106A CN201310276314.XA CN201310276314A CN104276106A CN 104276106 A CN104276106 A CN 104276106A CN 201310276314 A CN201310276314 A CN 201310276314A CN 104276106 A CN104276106 A CN 104276106A
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- Prior art keywords
- acceleration pedal
- zero point
- stroke
- value
- self study
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention provides an accelerator pedal zero value fault diagnosis method for hybrid vehicles/blade electric vehicles. The method includes the steps of monitoring an accelerator pedal position signal to determine the stroke of an accelerator pedal at the moment when the vehicle gear is switched to an advancing gear from a parking gear, and executing the accelerator pedal zero value fault diagnosis operation on the basis of the determined stroke of the accelerator pedal. By means of the method, the deviation between the actual zero value and the current accelerator pedal self-learning zero value of the accelerator pedal can be detected in time, and the vehicle driving safety can be improved.
Description
Technical field
The present invention relates to acceleration pedal and be worth method for diagnosing faults zero point, more specifically, the acceleration pedal related to for hybrid power/pure electric vehicle is worth method for diagnosing faults zero point.
Background technology
Current, growing and universal along with pure electric/hybrid vehicle, the drive safety of vehicle becomes more and more important.Wherein, by the initial zero value (i.e. initial point (or basic point) position of acceleration pedal) of the mode determination acceleration pedal of self study, and can be stored in EEPROM memory cell in vehicle production process.
But, along with the increase of Vehicle-Miles of Travel, may there is senile abrasion state in acceleration pedal, thus acceleration pedal actual zero point value and the initial zero value determined in vehicle production process between there is deviation, thus the deviation causing moment of torsion to be resolved, and and then affect drive safety.
Therefore, there is following demand: provide can detect in time acceleration pedal actual zero point value and current acceleration pedal self study value at zero point (initial value of current acceleration pedal self study value at zero point is the described initial zero value determined in vehicle production process) between deviation be worth method for diagnosing faults zero point with the acceleration pedal for hybrid power/pure electric vehicle improving vehicular drive safety.
Summary of the invention
In order to solve the problem existing for above-mentioned prior art, the present invention proposes can detect in time acceleration pedal actual zero point value and current acceleration pedal self study value at zero point between deviation be worth method for diagnosing faults zero point with the acceleration pedal for hybrid power/pure electric vehicle improving vehicular drive safety.
The object of the invention is to be achieved through the following technical solutions:
Acceleration pedal for hybrid power/pure electric vehicle is worth a method for diagnosing faults zero point, and described method comprises the following steps:
(A1) when vehicle gear is switched to forward gear by parking shift, monitoring acceleration pedal position signal is to determine the stroke of now acceleration pedal;
(A2) the stroke execution acceleration pedal based on determined acceleration pedal is worth trouble diagnosing operation zero point.
In scheme disclosed above, preferably, described acceleration pedal is worth trouble diagnosing operation comprises zero point:
(1) determine whether the absolute value of the difference whether stroke of acceleration pedal is less than first threshold and determines between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than Second Threshold, and if the absolute value of the difference that the stroke of acceleration pedal is less than between the stroke of described first threshold and acceleration pedal and current acceleration pedal self study value at zero point is less than described Second Threshold, then trouble diagnosing operation terminate and diagnostic result is " trouble free ", otherwise, enter step (2);
(2) what perform in following operation is one or more: whether the difference determining between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than the 3rd threshold value (its on the occasion of), and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than described 3rd threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order "; Determine whether the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than the 4th threshold value (it is negative value), and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than described 4th threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order "; Determine whether current acceleration pedal self study value at zero point equals 0, and if current acceleration pedal self study value at zero point equals 0, then trouble diagnosing operation terminate and diagnostic result is " et out of order ";
Wherein, described acceleration pedal is worth trouble diagnosing operation and comprises further zero point: if diagnostic result is not " trouble free " or " et out of order " after the described step of execution (1) and/or described step (2), then trouble diagnosing operation terminates and diagnostic result is " keeping a diagnostic result ".
In scheme disclosed above, preferably, described method comprises further: if diagnostic result is " et out of order ", then perform corresponding operation response subsequently to process the fault occurred.
Acceleration pedal for hybrid power/pure electric vehicle disclosed in this invention is worth method for diagnosing faults and has the following advantages zero point: can detect in time acceleration pedal actual zero point value and current acceleration pedal self study value at zero point between deviation and judge whether et out of order thus, thus considerably improve the drive safety of vehicle.
Accompanying drawing explanation
By reference to the accompanying drawings, technical characteristic of the present invention and advantage will be understood better by those skilled in the art, wherein:
Fig. 1 is the diagram of circuit being worth method for diagnosing faults according to an embodiment of the invention for the acceleration pedal of hybrid power/pure electric vehicle zero point.
Detailed description of the invention
Fig. 1 is the diagram of circuit being worth method for diagnosing faults according to an embodiment of the invention for the acceleration pedal of hybrid power/pure electric vehicle zero point.As shown in Figure 1, acceleration pedal for hybrid power/pure electric vehicle disclosed in this invention to be worth method for diagnosing faults zero point and to comprise the following steps: that (A1) is when vehicle gear is switched to forward gear (namely D keeps off) by parking shift (namely P keeps off), monitors acceleration pedal position signal to determine the stroke of now acceleration pedal; (A2) the stroke execution acceleration pedal based on determined acceleration pedal is worth trouble diagnosing operation zero point.
Preferably, be worth in method for diagnosing faults zero point at the acceleration pedal for hybrid power/pure electric vehicle disclosed in this invention, described acceleration pedal is worth trouble diagnosing operation and comprises zero point: (1) determines whether the stroke of acceleration pedal is less than first threshold (this first threshold can be determined by the mode of Experimental Calibration or configuration file) and whether the absolute value of difference determined between the stroke of acceleration pedal and current acceleration pedal self study value at the zero point initial value of preacceleration pedal self study value at zero point (should be the initial zero value determined in vehicle production process) is less than Second Threshold (this Second Threshold can be determined by the mode of Experimental Calibration or configuration file), and if the absolute value of the difference that the stroke of acceleration pedal is less than between the stroke of described first threshold and acceleration pedal and current acceleration pedal self study value at zero point is less than described Second Threshold, then trouble diagnosing operation terminates and diagnostic result be " trouble free " (i.e. current acceleration pedal self study value at zero point be in rational scope interior), otherwise, enter step (2), (2) what perform in following operation is one or more: whether the difference determining between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than the 3rd threshold value, and (the 3rd threshold value can be determined by the mode of Experimental Calibration or configuration file, its be on the occasion of), and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than described 3rd threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order " (namely current acceleration pedal self study value at zero point is in outside rational scope), whether the difference determining between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than the 4th threshold value, and (the 4th threshold value can be determined by the mode of Experimental Calibration or configuration file, it is negative value), and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than described 4th threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order " (namely current acceleration pedal self study value at zero point is in outside rational scope), determine whether current acceleration pedal self study value at zero point equals 0, and if current acceleration pedal self study value at zero point equals 0, then trouble diagnosing operation terminate and diagnostic result is " et out of order " (namely current acceleration pedal self study value at zero point is in outside rational scope),
Wherein, described acceleration pedal is worth trouble diagnosing operation and comprises further zero point: if diagnostic result is not " trouble free " or " et out of order " after the described step of execution (1) and/or described step (2), then trouble diagnosing operation terminates and diagnostic result is " keeping a diagnostic result ".
Preferably, the acceleration pedal for hybrid power/pure electric vehicle disclosed in this invention is worth method for diagnosing faults and comprises further zero point: if diagnostic result is " et out of order ", then perform corresponding operation response subsequently to process the fault occurred.
Therefore, acceleration pedal for hybrid power/pure electric vehicle disclosed in this invention is worth method for diagnosing faults and has following advantages zero point: can detect in time acceleration pedal actual zero point value and current acceleration pedal self study value at zero point between deviation and judge whether et out of order thus, thus considerably improve the drive safety of vehicle.
Although the present invention is described by above-mentioned preferred implementation, its way of realization is not limited to above-mentioned embodiment.Should be realized that: when not departing from purport of the present invention and scope, those skilled in the art can make different changes and amendment to the present invention.
Claims (3)
1. the acceleration pedal for hybrid power/pure electric vehicle is worth a method for diagnosing faults zero point, and described method comprises the following steps:
(A1) when vehicle gear is switched to forward gear by parking shift, monitoring acceleration pedal position signal is to determine the stroke of now acceleration pedal;
(A2) the stroke execution acceleration pedal based on determined acceleration pedal is worth trouble diagnosing operation zero point.
2. the acceleration pedal for hybrid power/pure electric vehicle according to claim 1 is worth method for diagnosing faults zero point, it is characterized in that, described acceleration pedal is worth trouble diagnosing operation and comprises zero point:
(1) determine whether the absolute value of the difference whether stroke of acceleration pedal is less than first threshold and determines between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than Second Threshold, and if the absolute value of the difference that the stroke of acceleration pedal is less than between the stroke of described first threshold and acceleration pedal and current acceleration pedal self study value at zero point is less than described Second Threshold, then trouble diagnosing operation terminate and diagnostic result is " trouble free ", otherwise, enter step (2);
(2) what perform in following operation is one or more: determine whether the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than the 3rd threshold value, and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is greater than described 3rd threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order "; Determine whether the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than the 4th threshold value, and if the difference between the stroke of acceleration pedal and current acceleration pedal self study value at zero point is less than described 4th threshold value, then trouble diagnosing operation terminate and diagnostic result is " et out of order "; Determine whether current acceleration pedal self study value at zero point equals 0, and if current acceleration pedal self study value at zero point equals 0, then trouble diagnosing operation terminate and diagnostic result is " et out of order ";
Wherein, described acceleration pedal is worth trouble diagnosing operation and comprises further zero point: if diagnostic result is not " trouble free " or " et out of order " after the described step of execution (1) and/or described step (2), then trouble diagnosing operation terminates and diagnostic result is " keeping a diagnostic result ".
3. the acceleration pedal for hybrid power/pure electric vehicle according to claim 2 is worth method for diagnosing faults zero point, it is characterized in that, described method comprises further: if diagnostic result is " et out of order ", then perform corresponding operation response subsequently to process the fault occurred.
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| CN201310276314.XA CN104276106B (en) | 2013-07-03 | 2013-07-03 | Accelerator pedal zero value fault diagnosis method for hybrid vehicles/blade electric vehicles |
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| CN201310276314.XA CN104276106B (en) | 2013-07-03 | 2013-07-03 | Accelerator pedal zero value fault diagnosis method for hybrid vehicles/blade electric vehicles |
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| CN104276106A true CN104276106A (en) | 2015-01-14 |
| CN104276106B CN104276106B (en) | 2017-03-22 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793608A (en) * | 2015-04-30 | 2015-07-22 | 安徽江淮汽车股份有限公司 | Pedal component self-learning method |
| CN105422290A (en) * | 2015-12-07 | 2016-03-23 | 潍柴动力股份有限公司 | Small accelerator fault identifying and processing method and engine and accelerator signal processing method |
| CN107089140A (en) * | 2017-04-26 | 2017-08-25 | 北京新能源汽车股份有限公司 | A kind of fault detection method, device and the electric automobile of accelerator pedal mechanism |
| CN109080600A (en) * | 2018-07-19 | 2018-12-25 | 奇瑞汽车股份有限公司 | The error self-learning method and device of brake-pedal-travel sensor |
| CN109291934A (en) * | 2017-07-24 | 2019-02-01 | 长城汽车股份有限公司 | Self-learning method, system and the vehicle of accelerator pedal minimum position |
| CN109373945A (en) * | 2018-09-20 | 2019-02-22 | 北京海纳川汽车部件股份有限公司 | The position sensor test device and vehicle testing system of pedal of vehicles |
| CN110901658A (en) * | 2018-09-14 | 2020-03-24 | 北汽福田汽车股份有限公司 | Vehicle and fault diagnosis method and device of accelerator pedal |
| CN110901657A (en) * | 2018-09-14 | 2020-03-24 | 北汽福田汽车股份有限公司 | Vehicle and method and device for analyzing opening degree of accelerator pedal |
| CN111775959A (en) * | 2020-07-08 | 2020-10-16 | 中国第一汽车股份有限公司 | Fault diagnosis method and device for accelerator pedal and vehicle |
| CN112298070A (en) * | 2019-07-26 | 2021-02-02 | 华为技术有限公司 | Pedal fault diagnosis method and device |
| WO2022193719A1 (en) * | 2021-03-18 | 2022-09-22 | 中国第一汽车股份有限公司 | Hybrid vehicle accelerator pedal position stroke output calibration method and hybrid vehicle |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104793608B (en) * | 2015-04-30 | 2017-05-10 | 安徽江淮汽车集团股份有限公司 | Pedal component self-learning method |
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| CN105422290A (en) * | 2015-12-07 | 2016-03-23 | 潍柴动力股份有限公司 | Small accelerator fault identifying and processing method and engine and accelerator signal processing method |
| CN107089140A (en) * | 2017-04-26 | 2017-08-25 | 北京新能源汽车股份有限公司 | A kind of fault detection method, device and the electric automobile of accelerator pedal mechanism |
| CN107089140B (en) * | 2017-04-26 | 2019-03-15 | 北京新能源汽车股份有限公司 | A kind of fault detection method, device and the electric car of accelerator pedal mechanism |
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| CN109291934B (en) * | 2017-07-24 | 2020-07-03 | 长城汽车股份有限公司 | Self-learning method and system for minimum position of accelerator pedal and vehicle |
| CN109080600B (en) * | 2018-07-19 | 2020-05-08 | 奇瑞汽车股份有限公司 | Error self-learning method and device of brake pedal travel sensor |
| CN109080600A (en) * | 2018-07-19 | 2018-12-25 | 奇瑞汽车股份有限公司 | The error self-learning method and device of brake-pedal-travel sensor |
| CN110901658A (en) * | 2018-09-14 | 2020-03-24 | 北汽福田汽车股份有限公司 | Vehicle and fault diagnosis method and device of accelerator pedal |
| CN110901657A (en) * | 2018-09-14 | 2020-03-24 | 北汽福田汽车股份有限公司 | Vehicle and method and device for analyzing opening degree of accelerator pedal |
| CN109373945A (en) * | 2018-09-20 | 2019-02-22 | 北京海纳川汽车部件股份有限公司 | The position sensor test device and vehicle testing system of pedal of vehicles |
| CN112298070A (en) * | 2019-07-26 | 2021-02-02 | 华为技术有限公司 | Pedal fault diagnosis method and device |
| CN111775959A (en) * | 2020-07-08 | 2020-10-16 | 中国第一汽车股份有限公司 | Fault diagnosis method and device for accelerator pedal and vehicle |
| CN111775959B (en) * | 2020-07-08 | 2021-10-22 | 中国第一汽车股份有限公司 | Fault diagnosis method and device for accelerator pedal and vehicle |
| WO2022193719A1 (en) * | 2021-03-18 | 2022-09-22 | 中国第一汽车股份有限公司 | Hybrid vehicle accelerator pedal position stroke output calibration method and hybrid vehicle |
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