CN102463949B - Automobile side-collision prevention mitigating system and control method - Google Patents
Automobile side-collision prevention mitigating system and control method Download PDFInfo
- Publication number
- CN102463949B CN102463949B CN 201110262768 CN201110262768A CN102463949B CN 102463949 B CN102463949 B CN 102463949B CN 201110262768 CN201110262768 CN 201110262768 CN 201110262768 A CN201110262768 A CN 201110262768A CN 102463949 B CN102463949 B CN 102463949B
- Authority
- CN
- China
- Prior art keywords
- car
- control unit
- automobile
- time
- speed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Traffic Control Systems (AREA)
Abstract
The invention discloses an automatic side-collision prevention mitigating system and a control method, which are used for avoiding automobile side-collision or lightening damages caused by the side-collision to the utmost extent; the automotive side-collision prevention mitigating system comprises a radar ranging system, a collision-prevention control unit, a speed control system, a speed sensor, an alarming unit, a pre-tightened safety belt control unit and an airbag control unit; the collision-prevention control unit is used for calculating relative speed of the automobile in relation with a left automobile and/or a right automobile according to distance data provided by the radar ranging system, judging whether the collision occurs and the possible occurrence time of collision according to the length and the speed of the automobile, and sending corresponding instructions to actuating mechanisms according to preset programs, and controlling the operations of the automobile such as alarming and acceleration, so that the automobile side-collision is avoided or the damages resulting from the automobile side-collision are lightened to the utmost extent.
Description
Technical field
The present invention relates to the automotive safety technical field, especially relate to a kind of automobile side-collision prevention mitigating system and the control method that can avoid to greatest extent automobile side crash or alleviate the automobile side crash infringement.
Background technology
In traffic accident, side collision is recurrent a kind of accident form, side collision generally occurs in right-angled intersection, lane change and overtakes other vehicles etc. under the environment, and because automobile side energy-absorbing district is less, often collision case is more serious, destroys also larger for vehicle, maintenance cost is high, how effectively to vehicle both sides environmental working condition is monitored, and by the action of algorithm control vehicle, be the key that effectively prevents side collision.But the anti-collision early warning system of prior art is to have considered this car and the contingent collision of front truck mostly; how to protect the problem of passenger in the car to pay close attention to not during for the collision problem of same contingent car and left and right sides sidecar and for collision, safeguard function is incomplete.In recent years, the in succession maturation along with ESC technology, belt with pre-load device technology, Radar Technology and blow out monitoring and control system becomes possibility so that develop the comprehensive collision avoidance system of a performance.Open day is on October 29th, 2008, publication number is that the patent document of CN101293503A discloses a kind of automobile collision preventing control method and automobile collision preventing warning device, this patent gathers range information between automobile and other object by macrometer, and is delivered to controller; Velometer gathers the relative velocity between automobile and other object, and is delivered to controller; Adjust the distance information and relative velocity of controller processed, and outputs control signals to alarming device, and alarming device is pointed out or reported to the police.This patent also discloses a kind of automobile collision preventing warning device, comprise the macrometer for measured automobiles and other object distance, be used for reminding driver's alarm set, be used for measured automobiles with respect to velometer and the controller of the relative velocity of other object, controller receives and processes the take off data of macrometer, velometer, and output control signals to alarm set, make alarm set point out or report to the police.This structure has only been paid close attention to this car and the collision that the front and back car may occur, and can not play a protective role for the problem of this car that may occur equally with the collision of left and right sides sidecar.In addition, the prior art anti-collision early warning system is realized crashproof mostly by brake, and warning is also only for this car chaufeur, and the General Promotion that these have all limited system's collision prevention function has affected crashproof effect.
Summary of the invention
The objective of the invention is provides a kind of safeguard function complete for the safeguard function problem incomplete, crashproof weak effect of the anti-collision early warning system that solves prior art, and crashproof effect is able to the automobile side-collision prevention mitigating system of General Promotion.
Another object of the present invention is that the safeguard function problem incomplete, crashproof weak effect for the anti-collision early warning system that solves prior art provides a kind of safeguard function complete, the control method of crashproof effective automobile side-collision prevention mitigating system.
The present invention reaches the concrete technical scheme that above-mentioned technical purpose adopts to be: a kind of automobile side-collision prevention mitigating system, be used for avoiding to greatest extent the generation of automobile side crash or alleviating the infringement that automobile side crash brings, described automobile side-collision prevention mitigating system comprises: radar ranging system, crashproof control unit, vehicle speed control system, car speed sensor, alarm unit and safety air bag control unit, wherein:
Radar ranging system comprises before measurement apart from radar, rear range only radar, left range only radar and right range only radar, is respectively applied to measure the real-time distance between this car and front truck, rear car, left side car and the right side car; The present invention uses before measurement apart from radar, rear range only radar, left range only radar and right range only radar simultaneously, be respectively applied to measure the real-time distance between this car front truck, rear car, left side car and this car and the right side car, front truck described here or rear car, refer in same track, to travel, apart from this car nearest the place ahead or front vehicle; Distance described here refers to the space length that does not comprise car body between two cars.
Crashproof control unit, calculate for the real-time distance of receiving radar ranging system measurement and to the real time data that above-mentioned radar ranging system provides, according to default threshold value this car state is judged simultaneously, when this car is in the hazardous location, send corresponding instruction according to predefined program to the relevant actuating unit of this car; Crashproof control unit is computing of the present invention and control module, the real time data that is used for reception range only radar and other detections, sensing equipment, and to the in addition computing of these data, draw result of calculation, and each system control threshold value of result of calculation and system intialization compared, when real time data met or exceeded a certain control threshold value, crashproof control unit sent corresponding instruction according to predefined program to corresponding actuating unit.
Vehicle speed control system is used for the instruction according to crashproof control unit, controls the acceleration or deceleration braking of this car; After vehicle speed control system is received the control command of crashproof control unit, namely automobile is carried out the controls such as acceleration or deceleration brake, thereby avoid to greatest extent the collision of automobile or alleviate the infringement that auto against brings.
Car speed sensor for detection of the speed of a motor vehicle of this car, and offers crashproof control unit with this vehicle speed data; Car speed sensor is for detection of the absolute speed of a motor vehicle of this car, crashproof control unit can be determined the left side car or/and the transportable distance of close Ben Cheshibenche of right side car according to the absolute speed of a motor vehicle of this car, thereby judges this car with the left side car or/and the collision of right side car possibility.
Alarm unit comprises audible alarm and light warning two parts, is used for the instruction according to crashproof control unit, sends alarm message to Ben Che and associated vehicle chaufeur; Enter the dangerous starting stage that to bump at automobile, by sound and light, remind the chaufeur of this car and associated vehicle to note the danger that may occur, in order to carry out as early as possible manual control, make automobile zone out of danger.To the warning of this car chaufeur by the indicator lamp in the car the ring mode of prompting of glittering and warning horn carry out, can be undertaken by car light and horn trumpet for the warning of associated vehicle chaufeur.
The safety air bag control unit, control belt with pre-load device and safety air bag are used for the instruction according to crashproof control unit, tighten up safety strap or pre-cooling safety air bag with the protection passenger when this car brake snub.Enter the dangerous intermediary that to bump at automobile, adopt the method for tightening up in advance safety strap with the protection passenger.Enter the dangerous final stage that may bump at automobile, namely automobile bumps in the time of can't avoiding, and then adopts the method for pre-cooling safety air bag when tightening up safety strap, guarantees the injury that the passenger is subject in collision is reduced to minimum degree.
As preferably, described automobile side-collision prevention mitigating system also comprises:
The monitoring means of blowing out is used for when this car is blown out accident these data of blowing out being offered crashproof control unit; When automobile flat tire, automobile is that actual speed can reduce, control difficulty and also can strengthen when considering automobile flat tire, the risk that therefore may occur is larger, so the present invention has considered the impact of automobile flat tire especially in anti-side impact alleviation system, be specially provided with the monitoring means of blowing out, in order to better process the problem that the automobile burst is blown out.
As preferably, described automobile side-collision prevention mitigating system also comprises the door and window control unit, is used for the instruction according to crashproof control unit, the automatic blocking prediction automobile door and window of side that bumps when automobile may danger occur.Enter the dangerous intermediary that to bump at automobile, adopt in advance automatic blocking prediction to bump the method for automobile door and window of side with the protection passenger.Prediction is bumped that the side door sash lock closes and opposite side can normally be opened, can avoid that the passenger gets off from hazardous side in the car, reduce the injury that the passenger may be subject to.
As preferably, described left range only radar and right range only radar are separately positioned on the left and right sides of automobile middle part, and before measurement is arranged on headstock section apart from radar, and rear range only radar is arranged on tailstock section.
The control method of automobile side-collision prevention mitigating system may further comprise the steps:
Or/and the distance of right side car, car is or/and the speed of right side car on the left of obtaining divided by the time gap of two time points with two time point spacing differences with the left side car for this car of former and later two Measuring Time points that provide according to radar ranging system;
The speed of a motor vehicle and vehicle commander according to this car, the calculating book car leaves the time with collision risk zone, according to the left side car or/and the distance of right side car and this car of speed real-time judge and left side car or/and the time that right side car possibility bumps and may bump, wherein:
It is that this car vehicle commander is divided by this car speed of a motor vehicle that this car leaves the time with collision risk zone;
This car is that the distance of Ben Che and left side car or right side car is divided by the speed of a motor vehicle of left side car or right side car with the time that left side car or right side car may bump.
When this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone may bump more than or equal to Ben Che and left side car or right side car, judge that namely this car may bump against with left side car or right side car, crashproof control unit sends corresponding instruction according to predefined program to the relevant actuating unit of this car, when the left and right sides all may occur colliding, by the real-time data processing of colliding a side that may more early occur, wherein:
When Ben Che and left side car or/and the time that the right side car may bump less than 3 seconds during more than or equal to 2 seconds, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, open simultaneously before measurement apart from radar, detect the distance of this car and front truck.
When Ben Che and left side car or/and the time that the right side car may bump less than 2 seconds during more than or equal to 1 second, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, if the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander, vehicle speed control system is controlled this car and is implemented to accelerate, when this car leaves the collision risk zone, vehicle speed control system is controlled this car and is slowed down, and returns to the state before accelerating; What adopt here is to accelerate the short time to make automobile leave the hazardous location, after confirming that automobile leaves the hazardous location, namely returns to rapidly the state before accelerating, and can prevent that like this Ben Che and front truck from bumping against or occurring other danger.
When Ben Che and left side car or/and the time that the right side car may bump less than 1 second during more than or equal to 0.5 second, crashproof control unit tightens up safety strap with the protection passenger by the belt with pre-load device control unit.
When Ben Che and left side car or/and time that the right side car may bump during less than 0.5 second, judge the impact strength of two cars according to the relative speed of a motor vehicle, if the relative speed of a motor vehicle during collision is less than or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger by the safety air bag control unit; If relatively the speed of a motor vehicle is greater than 10 meter per seconds, crashproof control unit by the safety air bag control unit when tightening up safety strap the pre-cooling safety air bag with the protection passenger.When automobile is about to collision collision can't have been avoided in other words, adopt the method for pre-cooling safety air bag, so can be because thereby air bag have been opened the injury that reduces the passenger when collision occurs, air bag can't be opened the appearance of situation in the time of also can avoiding in addition colliding generation, guarantees the injury that the passenger is subject in collision is reduced to minimum degree.
Since when side impact occurs this car with the left side car or/and the right side car travels direction common near vertical, therefore when this car speed of a motor vehicle is very fast, left side car locking or/and the right side car is not easy to be captured near this car, the prevention side impact is difficulty relatively, therefore, the present invention is the side impact prevention when having considered that this car speed of a motor vehicle is slower more.In addition; when this car stops; although near left side car locking or/and the right side appearance of vehicle easily is captured of this car, consider that the poor and common front and back of manoevreability of this car also have other car after stopping to stop, so can only consider more protection problem to passenger in the car.
As preferably, when described automobile side-collision prevention mitigating system comprises that when blowing out monitoring means, the control method of automobile side-collision prevention mitigating system is further comprising the steps of:
When this car is blown out, the monitoring means of the blowing out data of will blowing out offer crashproof control unit, crashproof control unit changes the handler of blowing out automatically over to, distance and the relative velocity of handler by this car of detecting and rear car of blowing out calculates the time that may bump with rear car, when time that Ben Che and rear car may bump during greater than 3 seconds, sound and light warning information to Ben Che and rear car chaufeur, vehicle speed control system is controlled the brake of this car implementation section; The time that this car and rear car may bump sounds and light warning information to Ben Che and rear car chaufeur during less than 3 seconds.
This car can directly record by rear range only radar with the distance of rear car, and relative velocity can be determined divided by the time gap of two time points for former and later two time point spacing differences.
Consider that blowing out of automobile is to occur suddenly, chaufeur has little time reaction and correct methods usually, the possibility that occurs again other unforeseen circumstancess when considering automobile flat tire simultaneously is minimum, therefore when automobile flat tire occurring, crashproof control unit changes the handler of blowing out automatically over to, and at this moment automobile side-collision prevention mitigating system is only processed the problem of blowing out, and temporarily abandons other problems is processed, can greatly shorten like this time of run of program, be convenient to process quickly the problem of blowing out.When far away, can take part brake measure at the rear car of distance, if distance is too near, does not then take the brake measure, but rear car is sent warning, the accident of colliding with avoid slowing down too fast generation and rear car as far as possible.
As preferably, when described automobile side-collision prevention mitigating system comprised the door and window control unit, the control method of automobile side-collision prevention mitigating system was further comprising the steps of:
Or/and time that the right side car may bump during less than 1 second, crashproof control unit is by may the collide door and window of side of door and window control unit automatic blocking when Ben Che and left side car.Or/and time that the right side car may bump during less than 1 second, crashproof control unit may be collided the door and window of side with the protection passenger by door and window control unit automatic blocking when Ben Che and left side car.
As preferably, the control method of automobile side-collision prevention mitigating system is further comprising the steps of:
This car vehicle speed data that provides according to car speed sensor, when this car speed of a motor vehicle during greater than 70 kilometers, determine the safety distance of this car and front truck, this car that current range only radar is surveyed is with the distance of front truck less than safety distance the time, to this car chaufeur alarm message of sounding; This car calculates by S=0.075V^2+0.5V+20 with the safety distance of front truck, and wherein S is that (unit: rice), V is the speed of a motor vehicle (unit: meter per second) to safety distance.
The vehicle speed data that provides according to car speed sensor is determined the safety distance of running car, guarantee traffic safety, at actual distance during less than safety driving distance, reminding driver is noted, be 90 kilometers namely during 25 metre per second (m/s) in the speed of a motor vehicle for example, can calculate S=0.075*25*25+0.5*25+20=79.375 rice according to above-mentioned formula.Consider that the safety distance problem was relatively little when the speed of a motor vehicle was low, therefore, when the speed of a motor vehicle during less than or equal to 70 kilometers, safety driving distance control is transferred to chaufeur and is processed, and can avoid so unnecessary restriction spacing.
The invention has the beneficial effects as follows: the safeguard function of anti-collision early warning system that it has solved prior art effectively is incomplete, the problem of crashproof weak effect, automobile side-collision prevention mitigating system safeguard function of the present invention is complete, crashproof effective, have remarkable promotional value and social benefit.
Description of drawings
Fig. 1 is a kind of structured flowchart of automobile side-collision prevention mitigating system embodiment 1 of the present invention;
Fig. 2 is a kind of structured flowchart of automobile side-collision prevention mitigating system embodiment 2 of the present invention;
Fig. 3 is a kind of structured flowchart of automobile side-collision prevention mitigating system embodiment 3 of the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings the specific embodiment of technical solution of the present invention is further described.
Embodiment 1
In embodiment shown in Figure 11, a kind of automobile side-collision prevention mitigating system, be used for avoiding to greatest extent the generation of automobile side crash or alleviating the infringement that automobile side crash brings, described automobile side-collision prevention mitigating system comprises: radar ranging system, crashproof control unit, vehicle speed control system, car speed sensor, alarm unit and safety air bag control unit, wherein:
Radar ranging system comprises before measurement apart from radar, rear range only radar, left range only radar and right range only radar, is respectively applied to measure the real-time distance between this car and front truck, rear car, left side car and the right side car; Described before measurement is arranged on headstock section apart from radar, and rear range only radar is arranged on tailstock section, and left range only radar and right range only radar are separately positioned on the left and right sides of automobile middle part.
Crashproof control unit, calculate for the real-time distance of receiving radar ranging system measurement and to the real time data that above-mentioned radar ranging system provides, according to default threshold value this car state is judged simultaneously, when this car is in the hazardous location, send corresponding instruction according to predefined program to the relevant actuating unit of this car;
Vehicle speed control system is used for the instruction according to crashproof control unit, controls the acceleration or deceleration braking of this car;
Car speed sensor for detection of the speed of a motor vehicle of this car, and offers crashproof control unit with this vehicle speed data;
Alarm unit comprises audible alarm and light warning two parts, is used for the instruction according to crashproof control unit, sends alarm message to Ben Che and associated vehicle chaufeur;
The safety air bag control unit, control belt with pre-load device and safety air bag are used for the instruction according to crashproof control unit, tighten up safety strap or pre-cooling safety air bag with the protection passenger when this car brake snub.
The control method of the automobile side-collision prevention mitigating system of embodiment 1 may further comprise the steps:
A. or/and the distance of right side car, car is or/and the speed of right side car on the left of obtaining divided by the time gap of two time points with two time point spacing differences with the left side car for this car of former and later two Measuring Time points that provide according to radar ranging system;
B. according to the speed of a motor vehicle and the vehicle commander of this car, the calculating book car leaves the time with collision risk zone, according to the left side car or/and the distance of right side car and this car of speed real-time judge and left side car or/and the time that right side car possibility bumps and may bump, wherein:
It is that this car vehicle commander is divided by this car speed of a motor vehicle that this car leaves the time with collision risk zone;
This car is that the distance of Ben Che and left side car or right side car is divided by the speed of a motor vehicle of left side car or right side car with the time that left side car or right side car may bump;
C. when this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone may bump more than or equal to Ben Che and left side car or right side car, judge that namely this car may bump against with left side car or right side car, crashproof control unit sends corresponding instruction according to predefined program to the relevant actuating unit of this car, when the left and right sides all may occur colliding, by the real-time data processing of colliding a side that may more early occur, wherein:
When Ben Che and left side car or/and the time that the right side car may bump less than 3 seconds during more than or equal to 2 seconds, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, open simultaneously before measurement apart from radar, detect the distance of this car and front truck;
When Ben Che and left side car or/and the time that the right side car may bump less than 2 seconds during more than or equal to 1 second, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, if the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander, vehicle speed control system is controlled this car and is implemented to accelerate, when this car leaves the collision risk zone, vehicle speed control system is controlled this car and is slowed down, and returns to the state before accelerating;
When Ben Che and left side car or/and the time that the right side car may bump less than 1 second during more than or equal to 0.5 second, crashproof control unit tightens up safety strap with the protection passenger by the belt with pre-load device control unit;
When Ben Che and left side car or/and time that the right side car may bump during less than 0.5 second, judge the impact strength of two cars according to the relative speed of a motor vehicle, if the relative speed of a motor vehicle during collision is less than or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger by the safety air bag control unit; If relatively the speed of a motor vehicle is greater than 10 meter per seconds, crashproof control unit by the safety air bag control unit when tightening up safety strap the pre-cooling safety air bag with the protection passenger.
This car vehicle speed data that provides according to car speed sensor, when this car speed of a motor vehicle during greater than 70 kilometers, determine the safety distance of this car and front truck, this car that current range only radar is surveyed is with the distance of front truck less than safety distance the time, to this car chaufeur alarm message of sounding; This car calculates by S=0.075V^2+0.5V+20 with the safety distance of front truck, and wherein S is that (unit: rice), V is the speed of a motor vehicle (unit: meter per second) to safety distance.
Embodiment 2
In embodiment shown in Figure 22, automobile side-collision prevention mitigating system also comprises:
The monitoring means of blowing out is used for when this car is blown out accident these data of blowing out being offered crashproof control unit; All the other are identical with embodiment 1.
The control method of the automobile side-collision prevention mitigating system of embodiment 2 is except embodiment 1 described method, and is further comprising the steps of:
When this car is blown out, the monitoring means of the blowing out data of will blowing out offer crashproof control unit, crashproof control unit changes the handler of blowing out automatically over to, distance and the relative velocity of handler by this car of detecting and rear car of blowing out calculates the time that may bump with rear car, when time that Ben Che and rear car may bump during greater than 3 seconds, sound and light warning information to Ben Che and rear car chaufeur, vehicle speed control system is controlled the brake of this car implementation section; The time that this car and rear car may bump sounds and light warning information to Ben Che and rear car chaufeur during less than 3 seconds.
Embodiment 3
In embodiment shown in Figure 33, automobile side-collision prevention mitigating system also comprises the door and window control unit, be used for the instruction according to crashproof control unit, automatic blocking is predicted the automobile door and window of the side that bumps when automobile may danger occur, be specially: when Ben Che and left side car or/and time that the right side car may bump during less than 1 second, crashproof control unit is by may the collide door and window of side of door and window control unit automatic blocking, namely when this car may collide with the left side car, the door and window in locking car left side; When this car may collide with the right side car, the door and window on locking car right side; When both sides all may occur colliding, the door and window of locking both sides; All the other are identical with embodiment 2.
Need to prove, in addition to the implementation, use needs according to reality, automobile side-collision prevention mitigating system of the present invention optionally comprises one or both of described blow out monitoring means and door and window control unit, and described monitoring means and the door and window control unit of blowing out also can separately move.
Claims (8)
1. automobile side-collision prevention mitigating system, be used for avoiding to greatest extent the generation of automobile side crash or alleviating the infringement that automobile side crash brings, it is characterized in that, described automobile side-collision prevention mitigating system comprises: radar ranging system, crashproof control unit, vehicle speed control system, car speed sensor, alarm unit and safety air bag control unit, wherein:
Radar ranging system comprises before measurement apart from radar, rear range only radar, left range only radar and right range only radar, is respectively applied to measure the real-time distance between this car and front truck, rear car, left side car and the right side car;
Crashproof control unit, calculate for the real-time distance of receiving radar ranging system measurement and to the real time data that above-mentioned radar ranging system provides, according to default threshold value this car state is judged simultaneously, when this car is in the hazardous location, send corresponding instruction according to predefined program to the relevant actuating unit of this car;
Vehicle speed control system is used for the instruction according to crashproof control unit, controls the acceleration or deceleration braking of this car;
Car speed sensor for detection of the speed of a motor vehicle of this car, and offers crashproof control unit with vehicle speed data;
Alarm unit comprises audible alarm and light warning two parts, is used for the instruction according to crashproof control unit, sends alarm message to Ben Che and associated vehicle chaufeur;
The safety air bag control unit, control belt with pre-load device and safety air bag are used for the instruction according to crashproof control unit, tighten up safety strap or pre-cooling safety air bag with the protection passenger when this car brake snub.
2. automobile side-collision prevention mitigating system according to claim 1, it is characterized in that: described automobile side-collision prevention mitigating system also comprises:
The monitoring means of blowing out is used for when this car is blown out accident, and the data of will blowing out offer crashproof control unit.
3. automobile side-collision prevention mitigating system according to claim 1 and 2, it is characterized in that: described automobile side-collision prevention mitigating system also comprises:
The door and window control unit is used for the instruction according to crashproof control unit, and automatic blocking is predicted the automobile door and window of the side that bumps when automobile may danger occur.
4. automobile side-collision prevention mitigating system according to claim 1, it is characterized in that: described before measurement is arranged on headstock section apart from radar, and rear range only radar is arranged on tailstock section, and left range only radar and right range only radar are separately positioned on the left and right sides of automobile middle part.
5. the control method of an automobile side-collision prevention mitigating system according to claim 1 is characterized in that may further comprise the steps:
A. or/and the distance of right side car, car is or/and the speed of right side car on the left of obtaining divided by the time gap of two time points with two time point spacing differences with the left side car for this car of former and later two Measuring Time points that provide according to radar ranging system;
B. according to the speed of a motor vehicle and the vehicle commander of this car, the calculating book car leaves the time with collision risk zone, according to the left side car or/and the distance of right side car and this car of speed real-time judge and left side car or/and the time that right side car possibility bumps and may bump, wherein:
It is that this car vehicle commander is divided by this car speed of a motor vehicle that this car leaves the time with collision risk zone;
This car is that the distance of Ben Che and left side car or right side car is divided by the speed of a motor vehicle of left side car or right side car with the time that left side car or right side car may bump;
C. when this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone may bump more than or equal to Ben Che and left side car or right side car, judge that namely this car may bump against with left side car or right side car, crashproof control unit sends corresponding instruction according to predefined program to the relevant actuating unit of this car, when the left and right sides all may occur colliding, by the real-time data processing of colliding a side that may more early occur, wherein:
When Ben Che and left side car or/and the time that the right side car may bump less than 3 seconds during more than or equal to 2 seconds, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, open simultaneously before measurement apart from radar, detect the distance of this car and front truck;
When Ben Che and left side car or/and the time that the right side car may bump less than 2 seconds during more than or equal to 1 second, to Ben Che and left side car or/and right side car chaufeur sound and light warning information, if the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander, vehicle speed control system is controlled this car and is implemented to accelerate, when this car leaves the collision risk zone, vehicle speed control system is controlled this car and is slowed down, and returns to the state before accelerating;
When Ben Che and left side car or/and the time that the right side car may bump less than 1 second during more than or equal to 0.5 second, crashproof control unit tightens up safety strap with the protection passenger by the belt with pre-load device control unit;
When Ben Che and left side car or/and time that the right side car may bump during less than 0.5 second, judge the impact strength of two cars according to the relative speed of a motor vehicle, if the relative speed of a motor vehicle during collision is less than or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger by the safety air bag control unit; If relatively the speed of a motor vehicle is greater than 10 meter per seconds, crashproof control unit by the safety air bag control unit when tightening up safety strap the pre-cooling safety air bag with the protection passenger.
6. the control method of automobile side-collision prevention mitigating system according to claim 5, wherein, described automobile side-collision prevention mitigating system comprises the monitoring means of blowing out, and characterized by further comprising following steps:
When this car is blown out, the monitoring means of the blowing out data of will blowing out offer crashproof control unit, crashproof control unit changes the handler of blowing out automatically over to, distance and the relative velocity of handler by this car of detecting and rear car of blowing out calculates the time that may bump with rear car, when time that Ben Che and rear car may bump during greater than 3 seconds, sound and light warning information to Ben Che and rear car chaufeur, vehicle speed control system is controlled the brake of this car implementation section; The time that this car and rear car may bump sounds and light warning information to Ben Che and rear car chaufeur during less than 3 seconds.
7. the control method of automobile side-collision prevention mitigating system according to claim 5, wherein, described automobile side-collision prevention mitigating system comprises the door and window control unit, characterized by further comprising following steps:
Or/and time that the right side car may bump during less than 1 second, crashproof control unit is by may the collide door and window of side of door and window control unit automatic blocking when Ben Che and left side car.
8. according to claim 5 or the control method of 6 or 7 described automobile side-collision prevention mitigating systems, characterized by further comprising following steps:
This car vehicle speed data that provides according to car speed sensor, when this car speed of a motor vehicle during greater than 70 kilometers, determine the safety distance of this car and front truck, this car that current range only radar is surveyed is with the distance of front truck less than safety distance the time, to this car chaufeur alarm message of sounding;
This car calculates by S=0.075V^2+0.5V+20 with the safety distance of front truck, and wherein S is safety distance, unit: rice; V is the speed of a motor vehicle, unit: meter per second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110262768 CN102463949B (en) | 2011-09-07 | 2011-09-07 | Automobile side-collision prevention mitigating system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110262768 CN102463949B (en) | 2011-09-07 | 2011-09-07 | Automobile side-collision prevention mitigating system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102463949A CN102463949A (en) | 2012-05-23 |
| CN102463949B true CN102463949B (en) | 2013-03-13 |
Family
ID=46068167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110262768 Active CN102463949B (en) | 2011-09-07 | 2011-09-07 | Automobile side-collision prevention mitigating system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102463949B (en) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101361360B1 (en) * | 2011-12-26 | 2014-02-11 | 현대자동차주식회사 | Smart cruise control system of vehicle and method thereof |
| CN103029665B (en) * | 2012-09-04 | 2015-06-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Control system and control method for actively avoiding side collision of automobile |
| CN103010210B (en) * | 2012-09-04 | 2015-11-04 | 浙江吉利汽车研究院有限公司杭州分公司 | A kind of method controlling Automobile active rear-ending-preventicontrol control system |
| DE102012024930A1 (en) * | 2012-12-20 | 2014-06-26 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Vehicle with distance monitoring device |
| WO2015040634A2 (en) * | 2013-09-18 | 2015-03-26 | Muthukumar Prasad | Smart active adaptive autonomous short distance manoeuvring & directional warning system with optimal acceleration for avoiding or mitigating imminent & inevitable side impact and rear end collision |
| CN103587524A (en) * | 2013-10-25 | 2014-02-19 | 江苏大学 | Lateral active collision avoidance system and control method thereof |
| CN103625463B (en) * | 2013-11-29 | 2016-08-17 | 浙江吉利控股集团有限公司 | A kind of vehicle automatically controls the method and device of braking |
| CN105216727B (en) * | 2015-08-24 | 2018-05-11 | 浙江吉利汽车研究院有限公司 | A kind of vehicle distances detection active safety system and control method |
| CN105235587A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Active driving safety system |
| CN105235589A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Automobile automatic early-warning active safety system |
| CN105235588A (en) * | 2015-10-26 | 2016-01-13 | 成都云科新能汽车技术有限公司 | Active safety system capable of early warning |
| CN105291974A (en) * | 2015-11-11 | 2016-02-03 | 深圳市精能奥天导航技术有限公司 | Active warning system and method for preventing following vehicle collision |
| CN105857172A (en) * | 2016-03-28 | 2016-08-17 | 乐视控股（北京）有限公司 | Car-door-opening collision preventing method and device |
| CN106004671A (en) * | 2016-07-21 | 2016-10-12 | 浙江吉利汽车研究院有限公司 | Intersection vehicle anti-collision system and method |
| CN106240458B (en) * | 2016-07-22 | 2017-12-12 | 浙江零跑科技有限公司 | A kind of vehicular frontal impact method for early warning based on vehicle-mounted binocular camera |
| CN107776525A (en) * | 2016-08-26 | 2018-03-09 | 北京汽车股份有限公司 | Vehicle collision avoidance system, vehicle and its collision-proof method |
| CN106314276A (en) * | 2016-09-22 | 2017-01-11 | 西华大学 | Rear car overtaking reminding system based on distance measuring |
| CN106585549A (en) * | 2016-12-14 | 2017-04-26 | 兰州工业学院 | Intelligent anticollision system for vehicles |
| CN106652571B (en) * | 2017-02-24 | 2023-03-31 | 四川九洲空管科技有限责任公司 | Locking device and method for airborne collision avoidance system |
| CN106828458A (en) * | 2017-03-01 | 2017-06-13 | 天津市利成工贸有限公司 | A kind of learner-driven vehicle autobrake system |
| CN107310473A (en) * | 2017-05-31 | 2017-11-03 | 南通不二环境科技有限公司 | A kind of car collision avoidance System |
| CN108622004A (en) * | 2018-04-16 | 2018-10-09 | 广东酷啦啦网络科技有限公司 | A kind of automobile internet alarm system |
| CN109318843A (en) * | 2018-09-13 | 2019-02-12 | 浙江零跑科技有限公司 | After touch protecting safety airbag device and method |
| TWI680895B (en) * | 2018-11-09 | 2020-01-01 | 財團法人資訊工業策進會 | Automatic braking system and method thereof |
| CN110027466A (en) * | 2019-03-20 | 2019-07-19 | 丽清汽车科技(上海)有限公司 | A kind of intelligence detecting of automobile and taillight control system and its control method |
| CN110148312B (en) * | 2019-04-30 | 2021-04-16 | 惠州市德赛西威智能交通技术研究院有限公司 | Collision early warning method and device based on V2X system and storage medium |
| CN110154957A (en) * | 2019-06-17 | 2019-08-23 | 刘子昂 | A kind of automotive safety safeguards system |
| CN111140107A (en) * | 2019-12-31 | 2020-05-12 | 大陆汽车电子（连云港）有限公司 | Door unlocking device based on safety air bag controller and door unlocking method based on safety air bag controller |
| CN111554098B (en) * | 2020-04-27 | 2021-10-15 | 上海智能交通有限公司 | Expressway emergency lane occupation detection system and implementation method thereof |
| CN112339699B (en) * | 2020-11-05 | 2023-01-17 | 南昌智能新能源汽车研究院 | Side-impact prevention system |
| CN114684117A (en) * | 2020-12-28 | 2022-07-01 | 观致汽车有限公司 | Control method and control system for preventing side collision |
| CN116201422B (en) * | 2023-03-24 | 2024-05-14 | 重庆长安汽车股份有限公司 | Door and window control method, system, electronic equipment and storage medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6944543B2 (en) * | 2001-09-21 | 2005-09-13 | Ford Global Technologies Llc | Integrated collision prediction and safety systems control for improved vehicle safety |
| CN100345711C (en) * | 2003-01-24 | 2007-10-31 | 本田技研工业株式会社 | Travel safety device for motor vehicle |
| CN101293503A (en) * | 2008-04-25 | 2008-10-29 | 奇瑞汽车股份有限公司 | Anti-collision control method for vehicle and anti-collision warning device for vehicle |
-
2011
- 2011-09-07 CN CN 201110262768 patent/CN102463949B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102463949A (en) | 2012-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102463949B (en) | Automobile side-collision prevention mitigating system and control method | |
| CN102463951B (en) | Automobile longitudinal collision mitigating system and control method | |
| US8150583B2 (en) | Method and apparatus for avoiding or mitigating vehicle collisions | |
| US7565242B2 (en) | Method and device for triggering emergency braking | |
| CN101475002B (en) | Device and method for avoiding collisions or minimizing the collision severity in case of a collision, for vehicles | |
| US9501935B2 (en) | Intelligent forward collision warning system | |
| KR101029096B1 (en) | Method of avoiding side collision of vehicle | |
| US8755998B2 (en) | Method for reducing the risk of a collision between a vehicle and a first external object | |
| CN102774378B (en) | Vehicle rear-end collision early warning and guard method, system | |
| US7565234B2 (en) | Automotive collision mitigation apparatus | |
| US8798885B2 (en) | Collision reducing device | |
| JP5278776B2 (en) | Object detection apparatus and object detection method | |
| CN103029665B (en) | Control system and control method for actively avoiding side collision of automobile | |
| CN103010210B (en) | A kind of method controlling Automobile active rear-ending-preventicontrol control system | |
| EP2484567B1 (en) | An onboard perception system | |
| JP2008516851A (en) | How to check related objects | |
| US11155261B2 (en) | Vehicle control device, vehicle control method, and recording medium | |
| CN102564719A (en) | Test method and device for calibrating lateral coming vehicle by head-on collision prevention system | |
| CN107878308A (en) | A kind of method that pre- anti-vehicle is knocked into the back | |
| CN106240566A (en) | Automotive safety method for early warning, system and automobile | |
| Jia et al. | Field testing of a cyclist collision avoidance system for heavy goods vehicles | |
| CN105235587A (en) | Active driving safety system | |
| KR20160133731A (en) | Collision Prevent System Sensing Velocity of Railway Vehicle and Method Thereof | |
| JP3031098B2 (en) | Vehicle collision prevention device | |
| CN111429755A (en) | Pedestrian collision avoidance system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |