CN105128849A - Manual gear vehicle starting auxiliary control method and system - Google Patents
Manual gear vehicle starting auxiliary control method and system Download PDFInfo
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- CN105128849A CN105128849A CN201510470655.XA CN201510470655A CN105128849A CN 105128849 A CN105128849 A CN 105128849A CN 201510470655 A CN201510470655 A CN 201510470655A CN 105128849 A CN105128849 A CN 105128849A
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0208—Clutch engagement state, e.g. engaged or disengaged
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
-
- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0604—Throttle position
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1005—Transmission ratio engaged
- B60W2510/101—Transmission neutral state
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/18—Braking system
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
Abstract
The invention provides a manual gear vehicle starting auxiliary control method comprising the following steps: obtaining shift state information, brake pedal state information, clutch state information, engine water temperature information, throttle opening degree information, atmospheric pressure information and speed information of the vehicle under present conditions; determining whether the vehicle present conditions satisfy starting auxiliary conditions or not, if yes, doing corresponding air flow compensation and/or rotating speed compensation according to the clutch position until the starting is finished. The method and system can solve the easy flame-out problem in vehicle starting in a manual gear vehicle starting process when the throttle and clutch cannot well cooperate or in a throttle stepping process.
Description
Technical field
The present invention relates to vehicle start control field, be specifically related to a kind of manual gear vehicle start auxiliary control method and system.
Background technology
In order to meet the requirement of more and more stricter discharge and fuel economy regulation, engine petrol have employed many more advanced technology.Wherein, TGDI (charge inter cooling+in-cylinder direct-jet) technology becomes one of main core technology of present and following engine petrol development gradually, because this technology can promote engine petrol miniaturization and fuel-economizing more, CO2 quantity discharged can also be reduced.Although engine swept volume reduces, maximum output power and moment of torsion increase on the contrary, and the maximum output power of the blow-fed engine of such as 1.4L and moment of torsion can the quite maximum output power of the driving engine of 2.0L natural aspirate and moments of torsion.
But before the non-intervention work of blwr, the performance of TGDI driving engine is suitable with the driving engine with the natural aspirate of discharge capacity, especially at idling operation.So just make manual gear vehicle become difficulty in the starting stage, in starting-up process, easily produce throttle and clutch engagement is bad or step on the accelerator starting and the problem that causes vehicle start easily to stop working.In addition, on the vehicle with protection double mass flywheel fuel cut-off control, oil supply starting hardly may not.In addition, for the Engine Matching of the natural aspirate of small displacement to A level or more vehicle, also there will be the situation of starting difficulty.
Summary of the invention
The invention provides a kind of manual gear vehicle start auxiliary control method and system, in starting-up process, easily produce throttle and clutch engagement is bad or step on the accelerator starting and the problem that causes vehicle start easily to stop working to solve manual gear vehicle.
To achieve these goals, the invention provides following technical scheme:
A kind of manual gear vehicle start auxiliary control method, comprising:
Obtain range state information, brake pedal status information, clutch state information, Engine Coolant Temperature information, throttle opening information, atmospheric pressure information and the speed information under vehicle current working;
Judge whether vehicle current working meets starting subsidiary conditions;
If described vehicle current working meets starting subsidiary conditions, then carry out tolerance compensation and/or speed considerations, until started to walk according to the position of power-transfer clutch;
If described vehicle current working does not meet starting subsidiary conditions, then starting is auxiliary does not do, does not carry out tolerance compensation and/or speed considerations.
Preferably, described vehicle current working satisfied starting subsidiary conditions comprise:
Driving switch is in non-neutral state;
Brake pedal is in non-actuator state;
Power-transfer clutch is in released state;
Engine Coolant Temperature is greater than setting value;
Accelerator open degree is less than setting value;
Bar pressure is less than setting value;
The speed of a motor vehicle is less than or equal to the setting speed of a motor vehicle.
Preferably, described control method also comprises:
Whether the driving switch current by electronic control unit judgement vehicle is in non-neutral state;
Whether the brake pedal current by electronic control unit judgement vehicle is in non-actuator state;
Judge whether the current power-transfer clutch of vehicle is in released state by electronic control unit according to the described clutch state information that linear clutch sensor obtains;
Judge whether Engine Coolant Temperature is greater than setting value by electronic control unit according to the described Engine Coolant Temperature information that temperature sensor obtains;
Whether the accelerator open degree current by electronic control unit judgement vehicle is less than setting value;
Judge whether the current bar pressure of vehicle is less than setting value by electronic control unit according to the described atmospheric pressure information that atmospheric-pressure sensor obtains;
Judge whether the current speed of a motor vehicle of vehicle is less than or equal to the setting speed of a motor vehicle by electronic control unit according to the described speed information that car speed sensor obtains.
Preferably, the described position according to power-transfer clutch is carried out tolerance and is compensated and comprise: carry out tolerance compensation according to the position of power-transfer clutch by the aperture of control electronic throttle.
Preferably, the described position according to power-transfer clutch is carried out speed considerations and is comprised: increase engine speed according to the emitted dose of the position control spraying nipple of power-transfer clutch and carry out corresponding speed considerations.
Preferably, judge that vehicle start completes when the speed of a motor vehicle is greater than 5km/h.
To achieve these goals, the present invention also provides following technical scheme:
A kind of manual gear vehicle start supplementary controlled system, comprising: electronic control unit, for obtaining car speed sensor, electronic throttle, spraying nipple, driving switch, the brake pedal of vehicle current vehicle speed; Also comprise: for obtain clutch state information linear clutch sensor, for obtain Engine Coolant Temperature temperature sensor, for obtaining the atmospheric-pressure sensor of vehicle current atmospheric pressure; Described electronic control unit is connected with described linear clutch sensor, temperature sensor, atmospheric-pressure sensor, car speed sensor, electronic throttle, spraying nipple, driving switch, brake pedal, for judging whether vehicle current working meets starting subsidiary conditions, if described vehicle current working meets starting subsidiary conditions, then described electronic control unit increases engine speed according to the position of power-transfer clutch by the emitted dose controlling the aperture of electronic throttle and carry out tolerance compensation and/or control spraying nipple and carries out corresponding speed considerations, until started to walk.
Preferably, described electronic control unit according to the position of power-transfer clutch carry out tolerance compensate comprise: described electronic control unit according to the position of power-transfer clutch by control electronic throttle aperture carry out tolerance compensation.
Preferably, described electronic control unit carries out speed considerations according to the position of power-transfer clutch and comprises: described electronic control unit increases engine speed according to the position of power-transfer clutch by the emitted dose controlling spraying nipple and carries out corresponding speed considerations.
Beneficial effect of the present invention is:
The invention provides a kind of manual gear vehicle start auxiliary control method and system, this control method and system carry out corresponding tolerance compensation and/or speed considerations according to the position of power-transfer clutch, solve manual gear vehicle and in starting-up process, are easily producing throttle and clutch engagement is bad or step on the accelerator starting and the problem that causes vehicle start easily to stop working.
Accompanying drawing explanation
Fig. 1 is a kind of manual gear vehicle start auxiliary control method diagram of circuit of the present invention.
Fig. 2 is the logical diagram whether judgement vehicle current working of the present invention meets starting subsidiary conditions.
Fig. 3 is a kind of manual gear vehicle start supplementary controlled system figure of the present invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Easily cause because power-transfer clutch coordinates bad with throttle the problem that vehicle stops working in order to solve existing manual gear vehicle, the embodiment of the present invention is carried and has been encircleed a kind of manual gear vehicle start ancillary system method and system, to prevent the flame-out situation of starting.
As shown in Figure 1, be a kind of manual gear vehicle start auxiliary control method diagram of circuit of the present invention.
The invention provides a kind of manual gear vehicle start auxiliary control method, comprising:
Step S1: electronic control unit (ECU) obtains range state information, brake pedal status information, clutch state information, Engine Coolant Temperature information, throttle opening information, atmospheric pressure information and speed information under vehicle current working;
Wherein, range state information, can be undertaken selecting at which gear by gear on-off, such as, may be selected in 1 gear, 2 gears are put can.Brake pedal status information, for understanding the position of brake pedal, if under brake pedal is in non-start situation, under so just can avoiding the situation of touching on the brake, occurs rotating speed floats phenomenon.The idling speed of usual driving engine is relevant with Engine Coolant Temperature, and be less than under certain temperature conditions, its idling speed is very high, substantially meets starting performance requirement.Throttle opening information, for understanding the size of accelerator open degree, if accelerator open degree is greater than setting value, in order to avoid speed fling lifting phenomenon, will exit starting additional function, and when starting to walk, throttle is stepped on to a certain degree, and its effect is auxiliary with starting is the same.Atmospheric pressure information relates to the little of degree of vacuum aperture, if degree of vacuum aperture starts to walk when being less than setting value, additional function works, its objective is to consider that some vehicle can meet starting requirement when Plain, but arrive highlands and can not meet starting requirement, starting additional function should have been adopted.
Step S2: judge whether vehicle current working meets starting subsidiary conditions, if described vehicle current working meets starting subsidiary conditions, then perform step S3; Otherwise starting is auxiliary not to be done, does not carry out tolerance compensation and/or speed considerations;
In the present embodiment, electronic control unit and some sensors can be utilized to determine whether vehicle current working meets starting subsidiary conditions.ECU is automobile specified microcomputerized controller from purposes, it is the same with common computer, is made up of microprocessor (CPU), memory device (ROM, RAM), input/output interface (I/O), A and D converter (A/D) and the large-scale integration circuit such as shaping, driving.It is closed loop control process that ECU controls the process of engine operation, ECU by each several part work state information of various sensor collection driving engine, by the circuit of responsible transmission by signal feedback to ECU.ECU carries out computing, process, judgement according to feedback signal, then output command, constantly adjusts fuel charge and spark advance angle, thus can control engine speed and vehicle speed.
Necessity operation of vehicle start is chaufeur stepping on clutch and puts into gear, and the speed of a motor vehicle is less than certain value, such as 5km/h.Therefore, in actual applications, above-mentioned functions can be completed by means of ECU existing on vehicle.Such as, utilize the different I of ECU/O interface to receive neutral position switch signal, clutch switch signal, accelerator pedal signal etc., arrange car speed sensor and engine speed sensor, ECU can obtain the current speed of a motor vehicle and engine speed by these sensors.Certainly, ECU also directly can obtain corresponding signal from the average speed indicator of vehicle and engine speed indicator.In addition, in actual applications, special ECU also can be adopted to complete above-mentioned functions, this embodiment of the present invention is not limited.
As shown in Figure 2, for whether judgement vehicle current working of the present invention meets the logical diagram of starting subsidiary conditions.If the driving switch of described vehicle current working is in non-neutral state, then carry out ensuing judgement, otherwise, do not meet starting subsidiary conditions; Next, if the power-transfer clutch of described vehicle current working is in released state, then carry out ensuing judgement, otherwise, do not meet starting subsidiary conditions; Next, if the Engine Coolant Temperature of described vehicle current working is greater than setting value, then carry out ensuing judgement, otherwise, do not meet starting subsidiary conditions; Next, if the accelerator open degree of described vehicle current working is less than setting value, then carry out ensuing judgement, otherwise, do not meet starting subsidiary conditions; Next, if the bar pressure of described vehicle current working is less than setting value, then carry out ensuing judgement, otherwise, do not meet starting subsidiary conditions; Next, if the speed of a motor vehicle of described vehicle current working is less than or equal to the setting speed of a motor vehicle, then meet starting subsidiary conditions, otherwise, do not meet starting subsidiary conditions.
Step S3: carry out corresponding tolerance compensation and/or speed considerations, until started to walk according to the position of power-transfer clutch.
Wherein, the described position according to power-transfer clutch is carried out tolerance and is compensated and comprise: carry out tolerance compensation according to the position of power-transfer clutch by the aperture of control electronic throttle.
The described position according to power-transfer clutch is carried out speed considerations and is comprised: increase engine speed according to the emitted dose of the position control spraying nipple of power-transfer clutch and carry out corresponding speed considerations.
Further, electronic control unit carries out tolerance compensation according to the aperture of the particular step size Linear Control electronic throttle of power-transfer clutch aperture size and/or controls the emitted dose of spraying nipple increasing engine speed and carrying out corresponding speed considerations.
When chaufeur start loose power-transfer clutch carry out driveaway operation time, the joint of power-transfer clutch makes resistance suffered by driving engine increase gradually, now the rotating speed of driving engine can reduce, in this case, electronic control unit can carry out corresponding tolerance compensation and/or speed considerations in order to avoid engine speed is too low according to the position of power-transfer clutch to driving engine.When engine speed is higher, the torque ratio that driving engine exports is comparatively large, just not easily stops working during vehicle start.When the speed of a motor vehicle is greater than 5km/h, starting operating mode terminates, and vehicle starts normal traveling.
Correspondingly, present invention also offers a kind of hand-propelled vehicle starting supplementary controlled system, as shown in Figure 3.
A kind of manual gear vehicle start supplementary controlled system, comprising: electronic control unit, for obtaining car speed sensor, electronic throttle, spraying nipple, driving switch, the brake pedal of vehicle current vehicle speed; Also comprise: for obtain clutch state information linear clutch sensor, for obtain Engine Coolant Temperature temperature sensor, for obtaining the atmospheric-pressure sensor of vehicle current atmospheric pressure; Described electronic control unit is connected with described linear clutch sensor, temperature sensor, atmospheric-pressure sensor, car speed sensor, electronic throttle, spraying nipple, driving switch, brake pedal, for judging whether vehicle current working meets starting subsidiary conditions, if described vehicle current working meets starting subsidiary conditions, then described electronic control unit increases engine speed according to the position of power-transfer clutch by the emitted dose controlling the aperture of electronic throttle and carry out tolerance compensation and/or control spraying nipple and carries out corresponding speed considerations, until started to walk.
It should be noted that, in actual applications, ECU also directly can obtain the current speed of a motor vehicle of vehicle from average speed indicator, obtains engine speed, do not limit this embodiment of the present invention from engine speed indicator.It should be noted that, in actual applications, above-mentioned each function of electronic control unit can be realized by corresponding functional module or unit, and, the signal of electronic control unit and other parts transmits and has been come by CAN data line, certainly, other categorical data line also can be adopted to complete above-mentioned functions, this embodiment of the present invention is not limited.
All parts in the embodiment of the present invention with hardware or software simulating those of ordinary skill in the art when not paying creative work, namely can be appreciated that and implementing.
The concrete calculating of above-mentioned each parameter value and manual gear vehicle start auxiliary control method flow process can refer to the description in the inventive method embodiment above, do not repeat them here.
The invention provides a kind of manual gear vehicle start auxiliary control method and system, the beneficial effect of this control method and system is: carry out corresponding tolerance compensation and/or speed considerations according to the position of power-transfer clutch, solve manual gear vehicle and in starting-up process, easily producing throttle and clutch engagement is bad or step on the accelerator starting and the problem that causes vehicle start easily to stop working, thus improve the stability of manual gear vehicle start.Described electronic control unit carries out tolerance compensation according to the position of power-transfer clutch and comprises: described electronic control unit carries out tolerance compensation according to the position of power-transfer clutch by the aperture controlling electronic throttle.Described electronic control unit carries out speed considerations according to the position of power-transfer clutch and comprises: described electronic control unit increases engine speed according to the position of power-transfer clutch by the emitted dose controlling spraying nipple and carries out corresponding speed considerations.
Above-described specific embodiment; object of the present invention, technical scheme are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a manual gear vehicle start auxiliary control method, is characterized in that, comprising:
Obtain range state information, brake pedal status information, clutch state information, Engine Coolant Temperature information, throttle opening information, atmospheric pressure information and the speed information under vehicle current working;
Judge whether vehicle current working meets starting subsidiary conditions;
If described vehicle current working meets starting subsidiary conditions, then carry out tolerance compensation and/or speed considerations, until started to walk according to the position of power-transfer clutch;
If described vehicle current working does not meet starting subsidiary conditions, then starting is auxiliary does not do, does not carry out tolerance compensation and/or speed considerations.
2. control method according to claim 1, is characterized in that, described vehicle current working meets starting subsidiary conditions and comprises:
Driving switch is in non-neutral state;
Brake pedal is in non-actuator state;
Power-transfer clutch is in released state;
Engine Coolant Temperature is greater than setting value;
Accelerator open degree is less than setting value;
Bar pressure is less than setting value;
The speed of a motor vehicle is less than or equal to the setting speed of a motor vehicle.
3. control method according to claim 2, is characterized in that, described control method also comprises:
Whether the driving switch current by electronic control unit judgement vehicle is in non-neutral state;
Whether the brake pedal current by electronic control unit judgement vehicle is in non-actuator state;
Judge whether the current power-transfer clutch of vehicle is in released state by electronic control unit according to the described clutch state information that linear clutch sensor obtains;
Judge whether Engine Coolant Temperature is greater than setting value by electronic control unit according to the described Engine Coolant Temperature information that temperature sensor obtains;
Whether the accelerator open degree current by electronic control unit judgement vehicle is less than setting value;
Judge whether the current bar pressure of vehicle is less than setting value by electronic control unit according to the described atmospheric pressure information that atmospheric-pressure sensor obtains;
Judge whether the current speed of a motor vehicle of vehicle is less than or equal to the setting speed of a motor vehicle by electronic control unit according to the described speed information that car speed sensor obtains.
4. control method according to claim 1, is characterized in that, the described position according to power-transfer clutch is carried out tolerance compensation and comprised: tolerance compensation is carried out by the aperture controlling electronic throttle in the position according to power-transfer clutch.
5. control method according to claim 1, is characterized in that, the described position according to power-transfer clutch is carried out speed considerations and comprised: increase engine speed according to the emitted dose of the position control spraying nipple of power-transfer clutch and carry out corresponding speed considerations.
6. the control method according to any one of claim 1 to 5, is characterized in that, judges that vehicle start completes when the speed of a motor vehicle is greater than 5km/h.
7. a manual gear vehicle start supplementary controlled system, comprising: electronic control unit, for obtaining car speed sensor, electronic throttle, spraying nipple, driving switch, the brake pedal of vehicle current vehicle speed; It is characterized in that, also comprise: for obtain clutch state information linear clutch sensor, for obtain Engine Coolant Temperature temperature sensor, for obtaining the atmospheric-pressure sensor of vehicle current atmospheric pressure; Described electronic control unit is connected with described linear clutch sensor, temperature sensor, atmospheric-pressure sensor, car speed sensor, electronic throttle, spraying nipple, driving switch, brake pedal, for judging whether vehicle current working meets starting subsidiary conditions, if described vehicle current working meets starting subsidiary conditions, then described electronic control unit carries out tolerance compensation and/or speed considerations according to the position of power-transfer clutch, until started to walk.
8. control system according to claim 7, it is characterized in that, described electronic control unit carries out tolerance compensation according to the position of power-transfer clutch and comprises: described electronic control unit carries out tolerance compensation according to the position of power-transfer clutch by the aperture controlling electronic throttle.
9. control system according to claim 7, it is characterized in that, described electronic control unit carries out speed considerations according to the position of power-transfer clutch and comprises: described electronic control unit increases engine speed according to the position of power-transfer clutch by the emitted dose controlling spraying nipple and carries out corresponding speed considerations.
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| CN201510470655.XA CN105128849A (en) | 2015-07-31 | 2015-07-31 | Manual gear vehicle starting auxiliary control method and system |
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| CN201510470655.XA CN105128849A (en) | 2015-07-31 | 2015-07-31 | Manual gear vehicle starting auxiliary control method and system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938648A (en) * | 2017-04-07 | 2017-07-11 | 安徽江淮汽车集团股份有限公司 | The power downshift scaling method and system of double clutch gearbox |
| CN111605552A (en) * | 2020-04-16 | 2020-09-01 | 吉利汽车研究院（宁波）有限公司 | Starting auxiliary control method and device for vehicle, vehicle and storage medium |
| CN111677784A (en) * | 2020-06-23 | 2020-09-18 | 东风柳州汽车有限公司 | Clutch control system and method for vehicle starting stage |
| CN113090402A (en) * | 2021-04-14 | 2021-07-09 | 安徽江淮汽车集团股份有限公司 | Vehicle starting auxiliary control method, vehicle and computer readable storage medium |
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| CN102877972A (en) * | 2012-06-27 | 2013-01-16 | 浙江吉利汽车研究院有限公司杭州分公司 | Auxiliary vehicle starting device and control manner thereof |
| CN103628987A (en) * | 2012-08-29 | 2014-03-12 | 重庆长安汽车股份有限公司 | Auxiliary control method for starting of manual shift gear vehicle |
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| CN103835826A (en) * | 2014-03-19 | 2014-06-04 | 安徽江淮汽车股份有限公司 | Auxiliary starting control method and system for manual geared vehicle |
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| CN106938648B (en) * | 2017-04-07 | 2019-06-04 | 安徽江淮汽车集团股份有限公司 | The power downshift scaling method and system of double clutch gearbox |
| CN111605552A (en) * | 2020-04-16 | 2020-09-01 | 吉利汽车研究院（宁波）有限公司 | Starting auxiliary control method and device for vehicle, vehicle and storage medium |
| CN111677784A (en) * | 2020-06-23 | 2020-09-18 | 东风柳州汽车有限公司 | Clutch control system and method for vehicle starting stage |
| CN113090402A (en) * | 2021-04-14 | 2021-07-09 | 安徽江淮汽车集团股份有限公司 | Vehicle starting auxiliary control method, vehicle and computer readable storage medium |
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Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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