CN109017300A - A kind of gas pedal - Google Patents
A kind of gas pedal Download PDFInfo
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- CN109017300A CN109017300A CN201810878350.6A CN201810878350A CN109017300A CN 109017300 A CN109017300 A CN 109017300A CN 201810878350 A CN201810878350 A CN 201810878350A CN 109017300 A CN109017300 A CN 109017300A
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- signal
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- generation module
- throttle
- digital signal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
-
- 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
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The present invention relates to a kind of gas pedals, the gas pedal includes pedal body and changing sensor, it further include control unit, the changing sensor output connection described control unit, described control unit includes analog signals generation module, digital signal generation module and on-off model generation module, the analog signals generation module is for exporting two-way throttle analog quantity voltage signal, the digital signal generation module is for exporting pedal opening digital signal all the way, and the on-off model generation module is for exporting two-way Oil Switch amount signal.Gas pedal of the invention can export reliable throttle control signal, ensure that the reliability of Throttle Opening Control.
Description
Divisional application of the application for following applications, the applying date of original application: on May 11st, 2016, the application of original application
Number: 201610311828.8, the denomination of invention of original application: a kind of gas pedal and accelerator pedal signal control method.
Technical field
The present invention relates to a kind of gas pedals, belong to new-energy automobile Throttle Opening Control field.
Background technique
Currently, as the positive popularization of new-energy automobile and pilot application, integral new-energy passenger product type are increasing, visitor
Vehicle development is constantly promoted in city bus, town and country passenger traffic, is increasingly subject to the concern of people.
Efp is the core security component of vehicle operation, is the base for ensureing vehicle safety and improving controlling
Plinth.At present for the signal of gas pedal output, new gas pedal is constantly proposed, such as univoltage output type pedal, single electricity
Press single switch amount output type pedal, univoltage biswitch amount output type pedal, double proportional two-way voltage output classes of resistance
Type pedal, this is the status of technical research and technical application.For above-mentioned gas pedal when throttle control signal exports, reliability is equal
It is lower, it is unfavorable for entire car controller to the reliable and accurate judgement of throttle signal.
Summary of the invention
The object of the present invention is to provide a kind of gas pedals, and the reliability to solve traditional gas pedal is lower to ask
Topic.
To achieve the above object, the solution of the present invention includes a kind of gas pedal, including pedal body and changing sensor,
It further include control unit, the changing sensor output connection described control unit, described control unit includes analog signals
Generation module, digital signal generation module and on-off model generation module, the analog signals generation module is for exporting
Two-way throttle analog quantity voltage signal, the digital signal generation module are described for exporting pedal opening digital signal all the way
On-off model generation module is for exporting two-way Oil Switch amount signal.
A kind of accelerator pedal signal control method of above-mentioned gas pedal, two-way throttle analog quantity voltage signal redundancy are set
It sets, the setting of two-way Oil Switch amount signal redundancy；And the range of voltage values of the two-way throttle analog quantity voltage signal is V1
~V2, the sum of voltage value of the two-way throttle analog quantity voltage signal are V1+V2, and throttle analog quantity voltage signal is according to oil all the way
Door aperture increase and increase, another way throttle analog quantity voltage signal reduces according to the increase of accelerator open degree；Wherein, V1 and
V2 is setting voltage threshold；The two-way Oil Switch amount signal is respectively first switch amount signal and second switch amount signal,
When pedal is not trampled, first switch amount signal is high potential, and second switch amount signal is low potential；When pedal is trampled, the
One on-off model is low potential, and second switch amount signal is high potential；
When throttle analog quantity voltage signal mistake or throttle analog quantity voltage signal and Oil Switch amount signal occurs not
When matching, the throttle control signal that is exported using pedal opening digital signal as the gas pedal.
The voltage value of the two-way throttle analog quantity voltage signal is linear change.
It includes following two situation that mistake, which occurs, in the throttle analog quantity voltage signal: (1), two-way throttle analog quantity voltage
The voltage value of signal is respectively S1 and S2, when S1 is less than when V1 is perhaps greater than V2 or when S2 is less than V1 or is greater than V2；(2),
When the sum of voltage value of two-way throttle analog quantity voltage signal is not V1+V2, two-way throttle analog quantity voltage signal is to have
Valid value, and Oil Switch amount signal is normal；
The throttle analog quantity voltage signal includes: when analog quantity voltage signal is normal with Oil Switch amount signal mismatch
Output, but mismatched with corresponding on-off model.
When analog quantity voltage signal and pedal opening digital signal mismatch, and the electricity of two-way throttle analog quantity voltage signal
Pressure value range is that V1~V2 takes the voltage value of two-way throttle analog quantity voltage signal when the sum of two voltage signals are V1+V2
In one of throttle control signal exported as the gas pedal.
When pedal opening digital signal and Oil Switch amount signal mismatch, the throttle of gas pedal output is controlled at this time
Controlling signal is 0.
The signal of control unit output is exported in the form of CAN message, when CAN message life cycle signal mistake, and
When two-way throttle analog quantity voltage signal and normal two-way Oil Switch amount signal, the two-way throttle analog quantity voltage signal is taken
Voltage value in one of throttle control signal exported as the gas pedal.
Gas pedal provided by the invention can export three kinds of control signals, throttle analog quantity voltage signal, pedal opening
Digital signal and Oil Switch amount signal.By the comprehensive descision to these three signals, effective control of throttle signal is realized,
The reliability for improving control ensure that entire car controller to the reliable and accurate judgement of throttle signal, is avoided the occurrence of and do not met
The not expected vehicle of driver's wish accelerates situation.Meanwhile the intelligence of gas pedal is further increased with integrated level.
Moreover, analog quantity voltage signal is two-way, on-off model is also two-way, is redundancy setting, ensure that signal
It is effective reception and effectively control, further improve control reliability；Both redundant signals are complementary redundancy, no
But the characteristics and advantages with general redundancy are answered in signal in this way moreover, the superposition amount of the signal of complementary redundancy is a fixed value
Used time, it can know whether two signals of redundancy mistake occur in real time, so, it can be very big using the complementation redundant signals
Ground promotes control reliability.Also, in actually control, when mistake or throttle analog quantity occurs in throttle analog quantity voltage signal
When voltage signal and Oil Switch amount signal mismatch, the throttle that is exported using pedal opening digital signal as the gas pedal
Signal is controlled, when a kind of signal mistake occurs or is likely to occur mistake, carries out Throttle Opening Control, institute using another signal
With this control mode can export reliable throttle control signal, ensure that the reliability of Throttle Opening Control, choose one normally
Throttle signal be able to ascend the driving safety of automobile as control signal, guarantee the safety of driving, reduce vehicle just
Often there is a possibility that accident when control.
Detailed description of the invention
Fig. 1 is the inside composed structure schematic diagram of gas pedal.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawing.
In new energy vehicle electronic control, accelerator pedal signal is most important, is the core in Vehicle Electronic Control strategy
It feels at ease and protects component.In new energy vehicle system, gas pedal installation space is sufficient, and the integrated multifunction in pedal may be implemented
Electronic detection unit.
As shown in Figure 1, the gas pedal includes pedal body for comprising modules, pedal body is exactly for trampling
Pedal machines mechanism, this part-structure is all gas pedals most basic mechanical structure for including, is belonged to existing
Technology is not described herein.
The gas pedal further includes changing sensor and control unit, changing sensor be used for the mechanical deformation of pedal into
Row detection, and export corresponding signal.Changing sensor output connects the control unit, and control unit mainly includes three parts:
Analog signals generation module, digital signal generation module and on-off model generation module, analog signals generation module are used
In output two-way throttle analog quantity voltage signal, digital signal generation module is opened for exporting pedal opening digital signal all the way
Pass amount signal generator module is for exporting two-way Oil Switch amount signal.Such as: the changing sensor is slide rheostat, simulation
Amount signal generator module be voltage transformation module, slide rheostat detect pedal deformation degree, voltage transformation module according to
The degree of deformation corresponds to output voltage values.Digital signal generation module accordingly exports characterization according to the degree of pedal machines deformation and steps on
The digital signal of plate aperture.Such as: the changing sensor is obliquity sensor, and digital signal generation module is digit chip, is inclined
Angle transducer detects the inclination angle of pedal, and digit chip carries out detecting and corresponding to output aperture digital signal according to inclination angle.
In short, the signal that the deformation signal of sensor output exports after being handled by different processing modules is different
's.Moreover, digital signal generation module and analog signals generation module are isolated, i.e. aperture digital signal and analog quantity
It is mutually indepedent between voltage signal, mutually it is independent of each other and interferes respective information；So even if the letter of one of module output
Number there is failure, the signal of another module output is not affected by faults.
Sensor can export two-way deformation signal, the sub signal P2 of pedal deformation main signal P1 and pedal deformation, wherein
Pedal deformation main signal P1 is directly proportional to pedal deformation, and sub signal P2 and the pedal deformation of pedal deformation are inversely proportional, for example work as biography
When sensor is slide rheostat, the two paths of signals of output are as follows: the voltage signal between slider and one end of slide rheostat,
Voltage signal between slider and the other end of slide rheostat, when between slider and one end of slide rheostat
Voltage when becoming larger, the voltage between the contact and the other end of slide rheostat corresponding will become smaller.Pedal deformation main signal
P1 is converted into voltage signal S1, and the sub signal P2 of pedal deformation is converted into voltage signal S2.
In addition, two on-off model generation modules generate gas pedal Oil Switch amount signal be high potential 1 or
Person's low potential 0.Whether on-off model generation module selects existing switching value generation device, trampled and corresponded to according to pedal
Generate two different electric potential signals.When pedal in the initial state, i.e., when not trampled, export a switching value；As long as stepping on
Plate is trampled, and regardless of degree, at this moment, exports another switching value.Since the gas pedal includes two on-off models
Generation module, first on-off model generation module generate Oil Switch amount K1, and second on-off model generation module produces
Oil generation door switch amount K2, K1 is corresponding with P1, and K2 is corresponding with P2.
Since the entire car controller in vehicle is when the signal exported according to gas pedal controls vehicle driving, only need to receive
To a throttle output signal, so, the corresponding two-way throttle mould generated of the two analog quantity voltage signal generator modules
Analog quantity voltage signal S1 and S2 redundancy setting, as long as entire car controller receives any one signal in S1 and S2 and can carry out
Vehicle traction control；Similarly, also redundancy is arranged Oil Switch amount the signal K1 and K2 that two on-off model generation modules generate.
By the processing of signal processing module, make the range of voltage values of two-way throttle analog quantity voltage signal S1 and S2 just
It is V1~V2 in normal situation, and the sum of voltage value for setting the two-way throttle analog quantity voltage signal is constant always, is V1+
V2；Wherein, V1 and V2 is setting voltage threshold.As a specific embodiment, in the present embodiment, V1 0.5V, V2 are
4.5V, i.e. voltage signal S1 are 0.5V, and voltage signal S2 is 4.5V, also, S1+S2 is always 5V.The power supply of S1 and S2 is whole
Range is 0-5V, effective range 0.5-4.5V, the corresponding pedal opening 0-100% of the effective range.When pedal is initial
When state, S1 0.5V, S2 4.5V；When stepping on pedal, pedal guarantees that S1 sampling linear increases, S2 in deformation process
Sampling linear reduces, and in change procedure, keeps S1's and S2 and is worth constant, i.e. S1+S2=5V.As pedal opening be 50% when,
S1=S2=2.5V.
In the initial state, K1 is vacant state (high potential 1), and K2 is that low switch state (is shorted, low potential with earth signal
0)；When pedal is trampled, K1 is changed into low switch state, and K2 is vacant state.
The range of pedal opening signal is 0-250, respectively corresponds aperture 0-100%, and aperture resolution ratio is 0.4, then, greatly
In 250 opening value be invalid value.Pedal opening digital signal is corresponding with P1, with the variation of deformation main signal P1 to strain
Change.
In addition, in the present embodiment, when the signal of control unit output uploads, data message uses 8 byte of J1939 agreement
Format is uploaded, wherein the first byte is pedal opening signal, and the second byte is throttle mains value S1, and third byte is
Throttle secondary voltage value S2,0-3 expression IS Idle Switch amount K1 of nybble, 4-7 expression IS Idle Switch amount K2 of nybble, the
Five bytes are voltage signal effective marker, and the 6th byte is gas pedal life cycle signal, and the 7th byte is failure code mark,
For to bus information failure state, the 8th byte to be reserve bytes.It is preferential to select when wherein the 5th byte is invalid flag
CAN message pedal opening signal is controlled, and table 1 gives CAN communication message protocol.
Table 1
Entire car controller samples major-minor voltage value S1, S2, and sampling K1, K2 correspond to switching magnitude, while receiving accelerator open degree
Digital signal, major-minor voltage value and fault message etc. are transmitted, vehicle control using the CAN message signal of above-mentioned 8 byte format
Device processed carries out policy control judgement, decides accelerator open degree value size, to judge that driver driving is intended to, is finally opened with determining throttle
Angle value carries out the output of vehicle driving moment, carries out vehicle energy hole.
In the initial state, driver does not tread on an accelerator pedal, and Oil Switch amount, voltage signal and aperture digital signal are equal
In default conditions, i.e. pedal voltage signal S1 is 0.5V, S2 4.5V.Switching signal K1 is vacant state, and K2 is low switch
State.8 byte of CAN message sends 0x00 0x19 0xE1 0x10 0x01 0x00 0x00 0xFF.
When aperture effective status, driver tramples gas pedal, pedal voltage signal and switching value hair according to oneself wish
Changing.Pedal voltage signal S1 and S2 are analog voltage output, and S1 and S2 and value remain constant, are 5V.Switching signal
K1 becomes low switch state, and K2 becomes vacant state.Accelerator open degree digital signal is corresponding with pedal opening.Such as in pedal opening
When being 50%, S1=S2=2.5V, 8 byte of CAN message sends 0x7D 0x7D 0x7D 0x01 0x01 0x00 0x00
0xFF。
When S1 exception or S2 exception, i.e. S1 is less than 0.5V or is greater than 4.5V or S2 and is less than 0.5V or is greater than 4.5V
When, gas pedal voltage signal is invalid signals, passes through CAN bus reporting fault code；At this time just such as pedal opening digital signal
Often, then can using in CAN message pedal opening digital signal as whole vehicle control signal.
When the analog voltage signal and on-off model that have analog quantity voltage signal normally to export, but export mismatch,
Signal, and reporting fault code 0x02, and the 5th should be controlled as the output of pedal using pedal opening digital signal in CAN message
Byte sets invalid state 0x00；Here mismatch refers to: under normal circumstances, when pedal is not trampled, S1 V1, K1 are height
Current potential, S2 V2, K2 are low potential；If at this time: S1 V1, K1 are but low potential, and S2 V2, K2 are but high potential, or
S1 is V2, and K1 is but high potential, and S2 V1, K2 are but low potential, shows that analog voltage signal and on-off model mismatch.
As S1+S2 ≠ 5V, pedal voltage S1 and S2 are invalid value, reporting fault code 0x01, and the 5th byte sets nothing
Effect state 0x00；If Oil Switch amount signal K1 and K2 are normal at this time, it is possible to using pedal opening digital signal conduct
The throttle control signal of gas pedal output.
When analog quantity voltage signal S1 and S2 and pedal opening digital signal mismatch, and the two-way throttle analog quantity voltage
The range of voltage values of signal is V1~V2, when the sum of voltage value is 5V, the oil that takes S1 or S2 to export as the gas pedal
Gate control signal.Since analog quantity voltage signal and pedal opening digital signal are under normal circumstances there is certain relationship,
For example analog quantity voltage signal S1 is proportional to pedal opening digital signal, such as when V1 is 0.5V, digital aperture letter
Number be 0, as V1 increases, digital signal can increase accordingly, when V1 be 4.5V when, aperture 100%, digital signal 250,
This is normal situation.But when if there is abnormal conditions, for example, V1 be 0.5V when, digital signal is not 0, but other
Numerical value, at this moment just illustrate that analog quantity voltage signal and pedal opening digital signal mismatch, so, as long as analog quantity electricity in a word
When pressing that existing proportional relation is abnormal between signal and pedal opening digital signal, that is, it both can be shown that and to mismatch.
When pedal opening digital signal and Oil Switch amount signal K1 and K2 are mismatched, vehicle is catastrophe failure at this time,
The throttle control signal of control gas pedal output is forced to 0；Here mismatch refers to: under normal circumstances, pedal not by
When trampling, it is high potential that the output of pedal opening digital signal, which is zero, K1, and K2 is low potential；When pedal is trampled, pedal opening number
Word signal exports corresponding opening value, and K1 is low potential, and K2 is high potential；If at this time: the output of pedal opening digital signal is
Zero, K1 are low potential, and K2 is high potential；Alternatively, pedal opening digital signal exports corresponding opening value, K1 is high potential, K2
For low potential, above-mentioned two situations show that pedal opening digital signal and Oil Switch amount signal K1 and K2 mismatch.
CAN message life cycle is per second under normal circumstances will increase 1；When CAN message life cycle stops increasing, table
Bright life cycle signal mistake, is determined as CAN data fault, and tactful protection should be carried out by entire car controller.Such as: when CAN is reported
When literary life cycle signal mistake, and when two-way throttle analog quantity voltage signal and normal two-way Oil Switch amount signal, take
One of throttle control signal as gas pedal output in the voltage value of the two-way throttle analog quantity voltage signal.
In addition, being directed to the explanation of above-mentioned several fault conditions, table 2 has been illustrated on the basis of above-mentioned several failures
Several specific failures and corresponding processing strategie, wherein first word of text section aperture is collected pedal opening number
Word signal.
Table 2
In addition, the opening amount signal of the first byte of CAN message, i.e. pedal opening digital signal have calibrating function.Pass through CAN
It communicates dedicated calibration ID and accelerator opening amount signal calibration is carried out to throttle original state and largest deformation state.When non-pedal,
Accelerator open degree initial value is demarcated by demarcating ID, is demarcated as 0%；Pedal is floored, and is demarcated to accelerator open degree value,
It is demarcated as 100%.If pedal voltage drifts about, when non-pedal, pedal output voltage S1 or S2 voltage deviation ratio 0.5V is big,
0% accelerator opening amount signal calibration can be carried out to pedal original state by CAN communication calibrating function.After calibration, CAN communication
The accelerator opening amount signal of first byte output is 0%；When stepping on pedal, accelerator opening amount signal according to the voltage of initial alignment into
Row linear convergent rate accelerator open degree.Calibration process: calibration software sends calibration CAN message, gas pedal feedback calibration response message.
8 bytes of message are demarcated, the first byte is calibration state, and the second byte to the 5th byte is calibration key, and the 6th byte is mark
Fixed accelerator open degree target value, the 7th byte and eight bytes are retention；Response message is 8 bytes, and the first byte is calibration
State, the second byte to the 5th byte are calibration seed, and the 6th byte is the accelerator open degree value of feedback of calibration, and the 7th byte is mark
The throttle mains value S1 that timing is carved, the 8th byte are to demarcate the throttle secondary voltage value S2 at moment.
In above-described embodiment, gas pedal includes two on-off model generation modules, and each module exports a switch
Amount, as other embodiments, as shown in Figure 1, the gas pedal can also only include an on-off model generation module, it should
Generation module is equivalent to a single-pole double-throw switch (SPDT), and when switch gets to 3 end, switching value K2 is low potential, and K1 is high potential；When
When switch gets to 1 end, switching value K2 is high potential, and K1 is low potential, is believed by the switching value for being similar to single-pole double-throw switch (SPDT)
Number generation module can be realized the switching value of a module output two-way different potentials.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.Base of the invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter do not need to spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Claims (1)
1. a kind of gas pedal, including pedal body and changing sensor, which is characterized in that it further include control unit, the shape
Become sensor output connection described control unit, described control unit includes analog signals generation module, digital signal generation
Module and on-off model generation module, the analog signals generation module is for exporting two-way throttle analog quantity voltage letter
Number, the digital signal generation module is used for exporting pedal opening digital signal all the way, the on-off model generation module
In output two-way Oil Switch amount signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878350.6A CN109017300B (en) | 2016-05-11 | 2016-05-11 | Accelerator pedal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810878350.6A CN109017300B (en) | 2016-05-11 | 2016-05-11 | Accelerator pedal |
| CN201610311828.8A CN105857073B (en) | 2016-05-11 | 2016-05-11 | A kind of gas pedal and accelerator pedal signal control method |
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| CN201610311828.8A Division CN105857073B (en) | 2016-05-11 | 2016-05-11 | A kind of gas pedal and accelerator pedal signal control method |
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| CN109017300B CN109017300B (en) | 2020-10-20 |
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| CN106364365B (en) * | 2016-09-12 | 2018-10-16 | 北京新能源汽车股份有限公司 | The treating method and apparatus of two-way accelerator pedal signal |
| CN106438060B (en) * | 2016-12-19 | 2022-11-04 | 江苏悦达黄海拖拉机制造有限公司 | Digital analog double-signal electronic accelerator and anti-misstep method thereof |
| CN106948960A (en) * | 2017-04-24 | 2017-07-14 | 深圳市智慧车联科技有限公司 | A kind of method that engine control module is handled throttle position switch abnormal signal |
| CN107959594B (en) * | 2018-01-16 | 2020-09-18 | 成都雅骏新能源汽车科技股份有限公司 | CAN communication fault diagnosis method |
| CN108361368B (en) * | 2018-02-24 | 2019-05-28 | 安徽江淮汽车集团股份有限公司 | The fault handling method and gearbox control system of gas pedal |
| CN110749453B (en) * | 2019-09-19 | 2021-09-24 | 江西精骏电控技术有限公司 | Method for detecting accelerator pedal |
| CN110733339B (en) * | 2019-10-09 | 2021-11-30 | 郑州宇通重工有限公司 | Signal processing method of accelerator pedal |
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| CN113580931A (en) * | 2021-07-13 | 2021-11-02 | 郑州嘉晨电器有限公司 | Vehicle speed limiting system |
| CN114412653A (en) * | 2021-12-08 | 2022-04-29 | 中联重科股份有限公司 | Control method for engine of engineering equipment, processor and engineering equipment |
| CN115817381A (en) * | 2022-11-14 | 2023-03-21 | 潍柴动力股份有限公司 | Accelerator mode self-adaptive identification method and device, storage medium and terminal |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109017300B (en) | 2020-10-20 |
| CN105857073B (en) | 2018-10-23 |
| CN105857073A (en) | 2016-08-17 |
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