CN103225688A - Startup control method and device for automatic transmission vehicle - Google Patents
Startup control method and device for automatic transmission vehicle Download PDFInfo
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- CN103225688A CN103225688A CN2013101212084A CN201310121208A CN103225688A CN 103225688 A CN103225688 A CN 103225688A CN 2013101212084 A CN2013101212084 A CN 2013101212084A CN 201310121208 A CN201310121208 A CN 201310121208A CN 103225688 A CN103225688 A CN 103225688A
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Abstract
The invention discloses a startup control method for an automatic transmission vehicle and a corresponding startup control device. The startup control method comprises the following steps: a gear detecting step: detecting gears of the vehicle, and when the gear is D gear or R gear, controlling a clutch to charge oil; a brake signal detecting step: detecting a brake signal, and when the brake signal indicates unloosened brake, continuing a subsequent step; an accelerator signal detecting step: detecting an accelerator pedal position signal, and when the accelerator pedal position signal is larger than a preset value, continuing a subsequent step; a starting step: controlling the connection of the clutch to start up the vehicle. By the startup control method, traffic accidents caused by that a driver inadvertently unloosens the brake when the automatic transmission vehicle starts up can be avoided, so that the driving safety is improved.
Description
Technical field
The present invention relates to automotive field, be specifically related to automatic transmission vehicle launch controlling method and device.
Background technique
When starting the automatic transmission vehicle, must at first the speed changer lever be placed D shelves or R gear, unclamp hand brake, vehicle will be started to walk immediately behind the releasing of brake, vehicle can not travel yet even driver's this moment does not step on the gas.The variation diagram of speed changer lever, throttle, brake signal, the speed of a motor vehicle and clutch state when Figure 1 shows that vehicle start, begin pre-oiling by clutch after the speed changer lever is adjusted to D shelves or R shelves as can be seen among Fig. 1, clutch begins to transmit Engine torque behind t1 moment releasing of brake, vehicle start, the speed of a motor vehicle is also by 0kph(kilometer per hour, km/hour) progressively rise to 4kph; At vehicle start stage throttle can be to be in closed state always.If during the vehicle vehicle that to be big discharge capacity, engine idle moment of torsion higher, if the driver is releasing of brake unintentionally, then vehicle will start suddenly with fast speeds, easily to passengers inside the car and on every side the pedestrian constitute danger, therefore there is potential safety hazard in the controlling method of this automatic transmission vehicle start.
Summary of the invention
At the problems referred to above, the invention provides a kind of automatic transmission vehicle start controlling method and device, by the condition that accelerator pedal position signal is engaged as solenoidoperated cluthes, thereby start the danger that brings immediately after having avoided brake to unclamp.
According to an aspect of the present invention, provide a kind of automatic transmission vehicle start controlling method, comprising:
Gear detects step: detect automobile gear level, when gear was D shelves or R shelves, solenoidoperated cluthes were oil-filled;
Brake signal detects step: detect brake signal, when brake signal has unclamped for brake, continue subsequent step;
Throttle signal detects step: detect accelerator pedal position signal, when accelerator pedal position signal during greater than predetermined value, continue subsequent step;
Setting up procedure: solenoidoperated cluthes engage and make vehicle launch.
Preferably, described method also comprises:
Select step, select whether to omit throttle signal by hand switch and detect step.
According to a further aspect of the invention, provide a kind of automatic transmission vehicle start control device, comprise the automatic transmission case control unit, described automatic transmission case control unit receives and according to gear signal and brake signal solenoidoperated cluthes state; It is characterized in that described device also comprises:
The accelerator pedal displacement sensor detects accelerator pedal position signal and accelerator pedal position signal is passed to described automatic transmission case control unit;
Described automatic transmission case control unit is arranged to: when gear signal was D shelves or R shelves, solenoidoperated cluthes were oil-filled; Unclamped for brake and described accelerator pedal position signal during greater than predetermined value at brake signal, solenoidoperated cluthes engage so that vehicle launch.
Preferably, described device also comprises:
Hand switch is connected with described automatic transmission case control unit, is used to control described automatic transmission case control unit and whether carries out work with second pattern;
Described automatic transmission case control unit is arranged to, and under second pattern, when gear signal was D shelves or R shelves, solenoidoperated cluthes were oil-filled; When brake signal had unclamped for brake, solenoidoperated cluthes engaged so that vehicle launch.
Owing to added the accelerator pedal signal determining step in automatic transmission vehicle start controlling method provided by the invention and the device, even vehicle can not start immediately yet behind the releasing of brake, but wait the driver to step on gas pedal, when accelerator pedal signal during greater than setting value just engaging clutch start vehicle.In the time of so just can avoiding the automatic transmission vehicle start because driver's releasing of brake and the situation of the traffic accident that meets accident has improved drive safety unintentionally.And after vehicle launch, the driver unclamps the joint that gas pedal also can not be interrupted clutch, therefore can not have influence on cornering ability.
Description of drawings
Vehicle-state changes procedure chart when Figure 1 shows that in the prior art automatic transmission vehicle start;
Figure 2 shows that automatic transmission vehicle start control device structural representation provided by the invention;
Figure 3 shows that according to automatic transmission vehicle start controlling method flow chart provided by the invention;
Figure 4 shows that the vehicle-state that obtains according to automatic transmission vehicle start controlling method provided by the invention changes procedure chart.
Embodiment
The present invention is described in detail to engage drawings and the specific embodiments below.
Figure 2 shows that a preferred embodiment of automatic transmission vehicle start control device provided by the invention, described control gear is used to control the automatic transmission vehicle start, specifically comprises:
Automatic transmission case control unit 201 receives and according to the state of gear signal and brake signal solenoidoperated cluthes 203;
Accelerator pedal displacement sensor 202 detects accelerator pedal position signal and accelerator pedal position signal is passed to described automatic transmission case control unit 201;
Described control gear also comprises the hand switch 204 that is connected with described automatic transmission case control unit 201, is used to control described automatic transmission case control unit 201 and whether carries out work with second pattern.When selecting described automatic transmission case control unit 201 to carry out work with second pattern by hand switch 204, solenoidoperated cluthes 203 were oil-filled when described automatic transmission case control unit 201 was D shelves or R shelves in gear signal, and solenoidoperated cluthes 203 engage so that vehicle launch when brake signal has unclamped for brake then.Can make the driver select the required condition of automatic transmission vehicle start like this according to the personal like.
Figure 3 shows that a preferred embodiment of automatic transmission vehicle start controlling method provided by the invention, described controlling method specifically comprises the steps:
Added the accelerator pedal signal determining step in the described automatic transmission vehicle start controlling method, even vehicle can not start immediately yet behind the releasing of brake, but wait the driver to step on gas pedal, when accelerator pedal signal during greater than setting value just engaging clutch start vehicle.After vehicle launch, the driver unclamps the joint that gas pedal also can not be interrupted clutch.In the time of so just can avoiding the automatic transmission vehicle start because driver's releasing of brake and the situation of the traffic accident that meets accident has improved drive safety unintentionally.
Change of state as shown in Figure 4 during the vehicle start that obtains according to the automatic transmission vehicle start controlling method described in the foregoing description, when automobile gear level is adjusted to D shelves or R shelves and is stepped on brake by N shelves or P shelves, as the t1 among Fig. 4 constantly, clutch begins oil-filled to prepare to transmit Engine torque; Vehicle does not start immediately after vehicle brake unclamps, but when waiting for accelerator pedal position signal greater than predetermined value, as the t2 among Fig. 4 constantly, clutch just engages the transmission Engine torque, and this moment, vehicle was just started to walk.Described accelerator pedal position signal is represented the aperture of throttle, is 0% when throttle is not opened, and is 100% when throttle is all opened.Described predetermined value can be 3% or other concrete numerical value.After the vehicle start, even accelerator pedal position signal is 0% also can not interrupt the joint of clutch.
On the other hand, for make the driver can according to oneself hobby whether select needs with described accelerator pedal signal as the vehicle start condition, described controlling method can also comprise the selection step, makes the driver own selection whether omit described step 104.When the driver selects to omit described step 104, described controlling method when carrying out through step 103 after direct execution in step 105.
Above embodiment only is used to technological scheme of the present invention is described, is not limited to protection scope of the present invention.Modification that those skilled in the art can carry out technological scheme of the present invention or equal the replacement, and do not break away from the spirit and scope of technical solution of the present invention.
Claims (6)
1. automatic transmission vehicle start controlling method comprises:
Gear detects step: detect automobile gear level, when gear was D shelves or R shelves, solenoidoperated cluthes were oil-filled;
Brake signal detects step: detect brake signal, when brake signal has unclamped for brake, continue subsequent step;
Throttle signal detects step: detect accelerator pedal position signal, when accelerator pedal position signal during greater than predetermined value, continue subsequent step;
Setting up procedure: solenoidoperated cluthes engage and make vehicle launch.
2. automatic transmission vehicle start controlling method according to claim 1 is characterized in that described method also comprises:
Select step, select whether to omit throttle signal by hand switch and detect step.
3. automatic transmission vehicle start controlling method according to claim 1 and 2 is characterized in that described predetermined value is 3%.
4. an automatic transmission vehicle start control device comprises the automatic transmission case control unit, and described automatic transmission case control unit receives and according to gear signal and brake signal solenoidoperated cluthes state; It is characterized in that described device also comprises:
The accelerator pedal displacement sensor detects accelerator pedal position signal and accelerator pedal position signal is passed to described automatic transmission case control unit;
Described automatic transmission case control unit is arranged to: when gear signal was D shelves or R shelves, solenoidoperated cluthes were oil-filled; Unclamped for brake and described accelerator pedal position signal during greater than predetermined value at brake signal, solenoidoperated cluthes engage so that vehicle launch.
5. automatic transmission vehicle start control device according to claim 4 is characterized in that, also comprises:
Hand switch is connected with described automatic transmission case control unit, is used to control described automatic transmission case control unit and whether carries out work with second pattern;
Described automatic transmission case control unit is arranged to, and under second pattern, when gear signal was D shelves or R shelves, solenoidoperated cluthes were oil-filled; When brake signal had unclamped for brake, solenoidoperated cluthes engaged so that vehicle launch.
6. according to claim 4 or 5 described automatic transmission vehicle start control devices, it is characterized in that described predetermined value is 3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121208.4A CN103225688B (en) | 2013-04-09 | 2013-04-09 | Automatic transmission vehicle start control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310121208.4A CN103225688B (en) | 2013-04-09 | 2013-04-09 | Automatic transmission vehicle start control method and device |
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| CN103225688A true CN103225688A (en) | 2013-07-31 |
| CN103225688B CN103225688B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310121208.4A Active CN103225688B (en) | 2013-04-09 | 2013-04-09 | Automatic transmission vehicle start control method and device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465354A (en) * | 2016-01-15 | 2016-04-06 | 上海汽车变速器有限公司 | Automatic transmission gear-shifting control method used under working condition of misoperation |
| CN106515714A (en) * | 2016-12-08 | 2017-03-22 | 广州汽车集团股份有限公司 | Automatic hydraulic pressure maintenance control method, device and system combined with engine start-stop control system |
| CN111976728A (en) * | 2020-08-19 | 2020-11-24 | 南京金龙客车制造有限公司 | Method for preventing vehicle from driving by mistake through gear control |
Citations (8)
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| JPS59103062A (en) * | 1982-12-06 | 1984-06-14 | Toyota Motor Corp | Start control method of vehicle |
| JPH0811587A (en) * | 1994-06-30 | 1996-01-16 | Suzuki Motor Corp | Engine automatically starting and stopping device |
| US6383116B1 (en) * | 1999-10-20 | 2002-05-07 | Luk Lamellen Und Kupplungsbau Gmbh | Transmission system |
| CN1609480A (en) * | 2003-10-16 | 2005-04-27 | 五十铃自动车株式会社 | Device for controlling a start of a vehicle |
| CN1704302A (en) * | 2004-06-02 | 2005-12-07 | 上海大众汽车有限公司 | Automobile driving auxiliary means and system thereof |
| CN1955051A (en) * | 2005-10-27 | 2007-05-02 | 比亚迪股份有限公司 | Control device and method for vehicle start |
| CN102211575A (en) * | 2011-04-27 | 2011-10-12 | 中国重汽集团济南动力有限公司 | Engine idle speed control-based AMT (Automated Mechanical Transmission) vehicle start control method |
| CN202032077U (en) * | 2010-11-08 | 2011-11-09 | 申水文 | Control device of vehicle automatic gearbox |
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2013
- 2013-04-09 CN CN201310121208.4A patent/CN103225688B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59103062A (en) * | 1982-12-06 | 1984-06-14 | Toyota Motor Corp | Start control method of vehicle |
| JPH0811587A (en) * | 1994-06-30 | 1996-01-16 | Suzuki Motor Corp | Engine automatically starting and stopping device |
| US6383116B1 (en) * | 1999-10-20 | 2002-05-07 | Luk Lamellen Und Kupplungsbau Gmbh | Transmission system |
| CN1609480A (en) * | 2003-10-16 | 2005-04-27 | 五十铃自动车株式会社 | Device for controlling a start of a vehicle |
| CN1704302A (en) * | 2004-06-02 | 2005-12-07 | 上海大众汽车有限公司 | Automobile driving auxiliary means and system thereof |
| CN1955051A (en) * | 2005-10-27 | 2007-05-02 | 比亚迪股份有限公司 | Control device and method for vehicle start |
| CN202032077U (en) * | 2010-11-08 | 2011-11-09 | 申水文 | Control device of vehicle automatic gearbox |
| CN102211575A (en) * | 2011-04-27 | 2011-10-12 | 中国重汽集团济南动力有限公司 | Engine idle speed control-based AMT (Automated Mechanical Transmission) vehicle start control method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465354A (en) * | 2016-01-15 | 2016-04-06 | 上海汽车变速器有限公司 | Automatic transmission gear-shifting control method used under working condition of misoperation |
| CN106515714A (en) * | 2016-12-08 | 2017-03-22 | 广州汽车集团股份有限公司 | Automatic hydraulic pressure maintenance control method, device and system combined with engine start-stop control system |
| CN111976728A (en) * | 2020-08-19 | 2020-11-24 | 南京金龙客车制造有限公司 | Method for preventing vehicle from driving by mistake through gear control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103225688B (en) | 2016-06-29 |
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Effective date of registration: 20190328 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
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