CN102765384A - Method and system for emergency handling of vehicle tire burst - Google Patents
Method and system for emergency handling of vehicle tire burst Download PDFInfo
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- CN102765384A CN102765384A CN2012102646476A CN201210264647A CN102765384A CN 102765384 A CN102765384 A CN 102765384A CN 2012102646476 A CN2012102646476 A CN 2012102646476A CN 201210264647 A CN201210264647 A CN 201210264647A CN 102765384 A CN102765384 A CN 102765384A
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Abstract
The invention discloses a method for emergency handling of vehicle tire burst. The method is used for controlling the direction of a vehicle when a tire of the vehicle bursts in the running process, and comprises the following steps: a detecting step of detecting the turn angle information of a steering wheel and transmitting the turn angle information to an electric steering system by a steering wheel corner sensor; a returning step of forcibly returning the steering wheel by the electric steering system according to the turn angle information before the steering wheel rotates at an angle of more than the predetermined angle; and a releasing step of releasing the control of the electric steering system on the steering wheel after the steering wheel returns so as to allow the steering wheel to rotate, and returning to perform the detecting step.
Description
Technical field
The present invention relates to automotive field, be specifically related to a kind of vehicle back emergency treatment method and system of blowing out.
Background technology
Vehicle is blown out and is meant that tire breaks in extremely short time internal cause and loses the situation of the body of inflating in the tire suddenly.The generation of blowing out is often very unexpected; It is very short to leave the time that steerman adopts remedial measures afterwards for, and vehicle often is difficult to control, blows out suddenly the stress balance property and the direction control of havoc driving vehicle; Violent sideslip, whipping takes place in the vehicle in particularly running at high speed under huge force of inertia effect; The serious accident of blowing out can cause rolling continuously of vehicle, and with guardrail, other collision happens, form very serious traffic accident.
In the correct counter-measure in back of blowing out is at first will hold bearing circle, controls the driving direction well, slowly slams brake, keep to the side at leisure to stop, but this kind operating mode needs chaufeur to have good psychological quality calmly to handle.In fact, after blowing out, chaufeur can come subconsciously steering wheel rotation according to road conditions and the vehicle running state of the moment of blowing out; But chaufeur tends to because of steering wheel rotation significantly apace in a hurry, and this occurs rough sledding such as vehicle rollover more easily because of the sudden change of direction.
For this reason, the scheme of after some vehicles of proposition are blown out in the prior art direction of traffic being controlled.These schemes are normally implemented the direction of vehicle is implemented automatic guidance in the back of blowing out, and make vehicle go along straight-line travelling or along former travel direction through the locking direction axle.But these controlling schemes can not adapt to various road conditions and vehicle running state.For example, when blowing out, be in the turning highway section like vehicle, the locking direction axle then possibly cause vehicles gone out the track so, and causes major accident.
Summary of the invention
Emergency treatment method after purpose of the present invention is to provide a kind of new vehicle to blow out; Another object of the present invention is to provide a kind of vehicle back Emergency treatment System of blowing out,, and can adapt to various road conditions and vehicle running state the direction of vehicle is controlled in the back of blowing out.
The emergency treatment method was used for when the vehicle ' process is blown out, the direction of vehicle being controlled after said vehicle was blown out, and comprised the steps:
Detect step: steering wheel angle sensor detects the corner information of bearing circle, and this corner information is passed to electric power steering;
Return positive step: rotate above before the predetermined angular at said bearing circle, said electric power steering is forced back the positive dirction dish according to said corner information;
Release steps: after said bearing circle just returned, said electric power steering discharged the control to said bearing circle, rotated to allow bearing circle, and returned and carry out said detection step.
Further, said method also comprises determining step: said electric power steering judges according to said corner information whether the corner of said bearing circle reaches predetermined threshold, if then carry out positive step said time; If, then do not return said detection step.
Concrete, select in the scope of said predetermined threshold between 15 degree-90 degree.
Preferably, said time positive step carried out with preset time at interval.Said preset time is selected in the scope of 50ms-200ms at interval.
Emergency treatment System comprised after said vehicle was blown out:
Tire pressure monitoring system is used to monitor tire pressure, and signal of tyre burst is sent to the CAN bus;
Steering wheel angle sensor is used to detect the corner information of bearing circle;
Electric power steering is received aux. controls bearing circle after the signal of tyre burst from the CAN bus interface, and said electric power steering is arranged to, and behind the chaufeur steering wheel rotation, said electric power steering is forced back the positive dirction dish according to said corner information; After said bearing circle just returned, said electric power steering discharged the control to said bearing circle, to allow the driver's operation bearing circle.
Emergency treatment System also comprised after said vehicle was blown out:
Car speed sensor is used to detect the concurrent GES that send of the speed of a motor vehicle;
Central authorities' central controller receives said GES, starts the said back Emergency treatment System of blowing out when judging that according to said GES vehicle is in the driving process; And when the CAN bus interface was received signal of tyre burst, the control warning device sent alerting signal when vehicle is in the driving process.
Further, Emergency treatment System also comprised after said vehicle was blown out:
Engine controller is reduced to the lowest gear running state with Engine Injection Mass after the CAN bus interface is received signal of tyre burst when vehicle is in the driving process; And
Antiblock device is taked emergency braking automatically after the CAN bus interface is received signal of tyre burst when vehicle is in the driving process.
After vehicle is blown out; Chaufeur might be hit bearing circle in flurried, be easy to cause the vehicle overbalance like this and then cause traffic accident, therefore forces back the positive dirction dish through electric power steering; Make vehicle can keep balance, avoided the generation of traffic accident; Do not have simultaneously locked bearing circle again, make that driving initiative still grasps in the hand of chaufeur, has avoided the program of mechanization can't tackle the situation of various complex road conditions.
Description of drawings
Fig. 1 is the diagram of circuit of an embodiment of the back emergency treatment method of blowing out of the present invention;
Shown in Figure 2 is the back Emergency treatment System structural representation of blowing out provided by the invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further specified.
As shown in Figure 1, the emergency treatment method can comprise the steps: after said vehicle was blown out
Detect step: steering wheel angle sensor detects the corner information of bearing circle, and this corner information is passed to electric power steering;
Return positive step: rotate above before the predetermined angular at said bearing circle, said electric power steering is forced back the positive dirction dish according to said corner information;
Release steps: after said bearing circle just returned, said electric power steering discharged the control to said bearing circle, rotated to allow bearing circle, and returned and carry out said detection step.
Method shown in Figure 1 allows the rotation of chaufeur and electric power steering cycle alternation ground control bearing circle.When blowing out generation, allow chaufeur according to road conditions and vehicle running state steering wheel rotation, for example in order to keep vehicle heading or to hide obstacle etc.But chaufeur can not crossed all the time the rotation of bearing circle and surpass the predetermined angular that sets.With respect to the rotation significantly of bearing circle, this predetermined angular is a low-angle that makes that vehicle can steadily turn to preferably, for example can be set at 90 degree or littler angles.After chaufeur steering wheel rotation certain angle, electric power steering is forced back bearing circle just again immediately, to avoid occurring chaufeur because of steering wheel rotation significantly in a hurry.
For chaufeur, when he when blowing out towards a certain direction when exerting oneself steering wheel rotation, he can feel that revolution moves certain little angle, bearing circle will self-aligning, and he can be once more towards this steering wheel rotation.Like this, turning to significantly of once possibly occurring will be broken down into repeatedly from returning the low-angle that positive bearing circle begins and turn to, thus make turning to of vehicle be progressively and stable.In other words, this discountinuity " point is stopped " that turns to control and anti-blocking brake system to occur is similar, is that a kind of low-angle of discountinuity turns to.Can there be multiple mode to confirm when electric power steering forces back the positive dirction dish.In one embodiment, method of the present invention can also comprise determining step: said electric power steering judges according to said corner information whether the corner of said bearing circle reaches predetermined threshold, if then carry out positive step said time; If, then do not return said detection step.This predetermined threshold can be selected in the scope between 15 degree-90 degree.
In another embodiment, said time positive step can be carried out with preset time at interval.Like this, in this time gap, no matter bearing circle rotates great angle, electric power steering is all forced back bearing circle just.The size of this time gap can be chosen to chaufeur steering wheel rotation in this time gap can not surpass predetermined angular.For example, said preset time can be selected in the scope of 50ms-200ms at interval.
Further, said method can also comprise: after vehicle was blown out, central central controller was judged vehicle in motion according to GES, then controls warning device and sends alerting signal; Through engine controller Engine Injection Mass is reduced to the lowest gear running state; Automatically take emergency braking through antiblock device, make vehicle can smooth deceleration until parking, avoid causing bigger casualty accident because of blowing out.
The back emergency treatment method of blowing out provided by the invention; On the basis that allows chaufeur control bearing circle; Through electric power steering aux. controls bearing circle, avoided causing vehicle unstable, and then reduced the possibility of occurrence of traffic accident because chaufeur is hit bearing circle in flurried.
Fig. 2 shows a preferred embodiment of the back Emergency treatment System of blowing out of the present invention, and it comprises following subsystem:
Car speed sensor is used to detect the concurrent GES that send of the speed of a motor vehicle;
Steering wheel angle sensor detects the bearing circle corner information;
(Tire Pressure Monitor System TPMS), is used to monitor tire pressure, and signal of tyre burst is sent to the CAN bus tire pressure monitoring system;
Central authorities' central controller receives said GES, starts the said back Emergency treatment System of blowing out when judging that according to said GES vehicle is in the driving process; Receive signal of tyre burst when vehicle is in the driving process from the CAN bus interface, the control warning device sends alerting signal;
Electric power steering, when vehicle is in the driving process, receive signal of tyre burst from the CAN bus interface after the aux. controls bearing circle, behind the chaufeur steering wheel rotation, said electric power steering is forced back the positive dirction dish according to said corner information; After said bearing circle just returned, said electric power steering discharged the control to said bearing circle, to allow the driver's operation bearing circle;
Engine controller is reduced to the lowest gear running state with Engine Injection Mass after the CAN bus interface is received signal of tyre burst when vehicle is in the driving process;
Antiblock device is taked emergency braking automatically after the CAN bus interface is received signal of tyre burst when vehicle is in the driving process.
Concrete, said warning device is preferably left and right sides steering indicating light, and said alerting signal is that left and right sides steering indicating light is lighted simultaneously, notes dodging to remind back car driver, avoids causing danger.In other embodiments, this warning device can for or can also comprise audible alarm unit, like the loudspeaker of vehicle etc.
Wherein, the various embodiment of emergency treatment method controlled bearing circle after electric power steering can be blown out according to the vehicle of the present invention that the front is described.Simultaneously, brake through antiblock device, make vehicle can smooth deceleration until parking.
After vehicle is blown out; Chaufeur might be hit bearing circle in flurried, be easy to cause the vehicle overbalance like this and then cause traffic accident, therefore forces back the positive dirction dish through electric power steering; Make vehicle can keep balance, avoided the generation of traffic accident; Do not have simultaneously locked bearing circle again, make that driving initiative still grasps in the hand of chaufeur, has avoided the program of mechanization can't tackle the situation of various complex road conditions.
Above embodiment only is used to technical scheme of the present invention is described, is not limited to protection scope of the present invention.Those skilled in the art can replace the modification that technical scheme of the present invention is carried out is perhaps equal, and do not break away from the spirit and the scope of technical scheme of the present invention.
Claims (10)
1. emergency treatment method after a vehicle is blown out is used for when the vehicle ' process is blown out, the direction of vehicle being controlled, and comprises the steps:
Detect step: steering wheel angle sensor detects the corner information of bearing circle, and this corner information is passed to electric power steering;
Return positive step: rotate above before the predetermined angular at said bearing circle, said electric power steering is forced back the positive dirction dish according to said corner information;
Release steps: after said bearing circle just returned, said electric power steering discharged the control to said bearing circle, rotated to allow bearing circle, and returned and carry out said detection step.
2. emergency treatment method after vehicle according to claim 1 is blown out; It is characterized in that; Also comprise determining step: said electric power steering judges according to said corner information whether the corner of said bearing circle reaches predetermined threshold, if then carry out positive step said time; If, then do not return said detection step.
3. the emergency treatment method is characterized in that after vehicle according to claim 2 was blown out, and selected in the scope of said predetermined threshold between 15 degree-90 degree.
4. the emergency treatment method is characterized in that said time positive step is carried out with preset time at interval after vehicle according to claim 1 was blown out.
5. the emergency treatment method is characterized in that after vehicle according to claim 4 was blown out, and said preset time is selected in the scope of 50ms-200ms at interval.
6. according to the arbitrary described vehicle of the claim 1～5 back emergency treatment method of blowing out, it is characterized in that said method also comprises:, signal of tyre burst is passed to said electric power steering when detecting when blowing out through tire pressure monitoring system monitoring tire pressure signal.
7. Emergency treatment System after a vehicle is blown out is characterized in that, comprising:
Tire pressure monitoring system is used to monitor tire pressure, and signal of tyre burst is sent to the CAN bus;
Steering wheel angle sensor is used to detect the corner information of bearing circle;
Electric power steering is received aux. controls bearing circle after the signal of tyre burst from the CAN bus interface, and said electric power steering is arranged to, and behind the chaufeur steering wheel rotation, said electric power steering is forced back the positive dirction dish according to said corner information; After said bearing circle just returned, said electric power steering discharged the control to said bearing circle, to allow the driver's operation bearing circle.
8. Emergency treatment System after vehicle according to claim 7 is blown out is characterized in that, Emergency treatment System also comprised after said vehicle was blown out:
Car speed sensor is used to detect the concurrent GES that send of the speed of a motor vehicle;
Central authorities' central controller receives said GES, starts the said back Emergency treatment System of blowing out when judging that according to said GES vehicle is in the driving process; And when vehicle is in the driving process when the CAN bus interface is received signal of tyre burst, the control warning device sends alerting signal.
9. according to claim 7 or the 8 described vehicles back Emergency treatment System of blowing out; It is characterized in that; Emergency treatment System also comprised engine controller after said vehicle was blown out, and when vehicle is in the driving process, after the CAN bus interface is received signal of tyre burst, Engine Injection Mass was reduced to the lowest gear running state.
10. Emergency treatment System after blowing out according to each described vehicle among the claim 7-9; It is characterized in that; Emergency treatment System also comprised antiblock device after said vehicle was blown out, and when vehicle is in the driving process, after the CAN bus interface is received signal of tyre burst, taked emergency braking automatically.
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| CN201210264647.6A CN102765384B (en) | 2012-07-27 | 2012-07-27 | Urgency for therapy and system after vehicle flat tire |
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| CN201210264647.6A CN102765384B (en) | 2012-07-27 | 2012-07-27 | Urgency for therapy and system after vehicle flat tire |
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| CN102765384B CN102765384B (en) | 2015-08-05 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103921796A (en) * | 2013-01-14 | 2014-07-16 | 博世汽车部件(苏州)有限公司 | Control method and device of vehicle dynamics states when tires burst |
| CN104742900A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | Vehicle abnormity control method and system |
| CN104773168A (en) * | 2015-04-03 | 2015-07-15 | 安徽机电职业技术学院 | Automatic transmission automobile tire burst control system and method based on safety braking |
| CN108068801A (en) * | 2016-11-14 | 2018-05-25 | 法乐第(北京)网络科技有限公司 | Vehicle flat tire processing method, device, system, detection device and electronic equipment |
| CN108357500A (en) * | 2018-02-23 | 2018-08-03 | 长沙智能驾驶研究院有限公司 | Intelligent vehicle, the tyre-bursting security control method of intelligent vehicle and system |
| CN108928329A (en) * | 2018-08-20 | 2018-12-04 | 钱星旭 | A kind of automobile point brake system |
| CN109591805A (en) * | 2018-12-19 | 2019-04-09 | 爱驰汽车有限公司 | Intelligence is blown out electric stabilizing system |
| CN111231934A (en) * | 2018-11-13 | 2020-06-05 | 宝沃汽车（中国）有限公司 | Vehicle control method and device, storage medium and vehicle |
| CN112026918A (en) * | 2020-08-05 | 2020-12-04 | 恒大新能源汽车投资控股集团有限公司 | Vehicle control method and device and computer readable storage medium |
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| CN108528522A (en) * | 2017-03-06 | 2018-09-14 | 重庆邮电大学 | A kind of active safety control method after vehicle flat tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103921796A (en) * | 2013-01-14 | 2014-07-16 | 博世汽车部件(苏州)有限公司 | Control method and device of vehicle dynamics states when tires burst |
| CN104742900A (en) * | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | Vehicle abnormity control method and system |
| CN104773168A (en) * | 2015-04-03 | 2015-07-15 | 安徽机电职业技术学院 | Automatic transmission automobile tire burst control system and method based on safety braking |
| CN104773168B (en) * | 2015-04-03 | 2018-01-16 | 安徽机电职业技术学院 | Automatic catch automobile based on safety arrestment is blown out control system and method |
| CN108068801A (en) * | 2016-11-14 | 2018-05-25 | 法乐第(北京)网络科技有限公司 | Vehicle flat tire processing method, device, system, detection device and electronic equipment |
| CN108357500A (en) * | 2018-02-23 | 2018-08-03 | 长沙智能驾驶研究院有限公司 | Intelligent vehicle, the tyre-bursting security control method of intelligent vehicle and system |
| CN108928329A (en) * | 2018-08-20 | 2018-12-04 | 钱星旭 | A kind of automobile point brake system |
| CN108928329B (en) * | 2018-08-20 | 2020-06-02 | 钱星旭 | Automobile snub system |
| CN111231934A (en) * | 2018-11-13 | 2020-06-05 | 宝沃汽车（中国）有限公司 | Vehicle control method and device, storage medium and vehicle |
| CN109591805A (en) * | 2018-12-19 | 2019-04-09 | 爱驰汽车有限公司 | Intelligence is blown out electric stabilizing system |
| CN112026918A (en) * | 2020-08-05 | 2020-12-04 | 恒大新能源汽车投资控股集团有限公司 | Vehicle control method and device and computer readable storage medium |
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Effective date of registration: 20170927 Address after: Taizhou City, Zhejiang Province, 317000 coastal city east gate head Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: Hangzhou City, Zhejiang province 311228 Linjiang Industrial Park Xiaoshan district two building No. 206 agricultural field Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. |