CN102463949A - Automobile side-collision prevention mitigating system and control method - Google Patents
Automobile side-collision prevention mitigating system and control method Download PDFInfo
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- CN102463949A CN102463949A CN2011102627682A CN201110262768A CN102463949A CN 102463949 A CN102463949 A CN 102463949A CN 2011102627682 A CN2011102627682 A CN 2011102627682A CN 201110262768 A CN201110262768 A CN 201110262768A CN 102463949 A CN102463949 A CN 102463949A
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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 anti-side impact alleviation system and the control method that can avoid automobile side crash to greatest extent or alleviate the automobile side crash infringement.
Background technology
In traffic accident, side collision is recurrent a kind of accident form, and 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 bigger for vehicle; Maintenance cost is high; How effectively to vehicle both sides environmental working condition is monitored, and, be the key that effectively prevents side collision through the action of algorithm controls vehicle.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 passenger's in the car problem to pay close attention to inadequately 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,, Radar Technology technological along with ESC technology, belt with pre-load device and blow out monitoring and control system ripe in succession makes the comprehensive collision avoidance system of a performance of exploitation become possibility.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 is gathered the range information between automobile and other object through macrometer, and is delivered to controller; Velometer is gathered the relative velocity between automobile and other object, and is delivered to controller; Adjust the distance information and relative velocity of controller handled, 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 that is used for measured automobiles and other object distance; Be used to remind driver's alarm set, be used for velometer and the controller of measured automobiles with respect to the relative velocity of other object, controller receives and handles 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 possibly occur, and can not play a protective role for the problem of this car that possibly occur equally with the collision of left and right sides sidecar.In addition, the prior art anti-collision early warning system is to realize crash-proofly through brake mostly, and warning also only is that comprehensive lifting that these have all limited the crashproof function of system has influenced crashproof effect to this car chaufeur.
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 system is alleviated in the anti-side impact of automobile that crashproof effect is able to promote comprehensively.
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 anti-side impact alleviation system.
The present invention reaches the concrete technical scheme that above-mentioned technical purpose adopts to be: system is alleviated in the anti-side impact of a kind of automobile; Be used for avoiding to greatest extent the generation of automobile side crash or alleviate the infringement that automobile side crash brings; The anti-side impact alleviation system of described automobile 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, back range only radar, left range only radar and right range only radar, is respectively applied for the real-time distance of measuring between this car and front truck, back car, left side car and the right side car; The present invention uses before measurement apart from radar, back range only radar, left range only radar and right range only radar simultaneously; Be respectively applied for the real-time distance of measuring between this car front truck, back car, left side car and this car and the right side car; Front truck described here or the back car, be meant in same track, go, apart from this car nearest the place ahead or front vehicle; Distance described here is meant the space length that does not comprise car body between two cars.
Crashproof control unit; Be used for receiving radar ranging system measured real-time distance and the real time data that above-mentioned radar ranging system provides is calculated; According to preset threshold value this car state is judged simultaneously; When this car is in the hazardous location, send corresponding instruction to the relevant actuating unit of this car according to predefined program; Crashproof control unit is computing of the present invention and control module; Be used to receive range only radar and other detect, the real time data of sensing equipment; And, draw result of calculation, and each system's control threshold value of result of calculation and system intialization is compared the in addition computing of these data; 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 the brake snub of this car; After vehicle speed control system is received the control command of crashproof control unit, promptly automobile is quickened or control such as slowing-down brake, thereby avoid the collision of automobile to greatest extent or alleviate the infringement that auto against brings.
Car speed sensor is used to detect the speed of a motor vehicle of this car, and this vehicle speed data is offered crashproof control unit; Car speed sensor is used to detect the absolute speed of a motor vehicle of this car; Crashproof control unit can according to the absolute speed of a motor vehicle of this car confirm the left side car or/and the right side car near the transportable distance of Ben Cheshibenche, thereby judge whether this car and left side car or/and right side car possibly bump against.
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; Get into the dangerous starting stage that to bump at automobile,, remind the chaufeur of this car and associated vehicle to note the danger that possibly occur,, make automobile zone out of danger so that carry out manual control as early as possible through sound and light.To the warning of this car chaufeur through the indicator lamp in the car the ring mode of prompting of glittering and warning horn carry out, can carry out through 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, when this car brake snub, tighten up safety strap or start safety air bag in advance with the protection passenger.Get into the dangerous intermediary that to bump at automobile, adopt the method for tightening up safety strap in advance with the protection passenger.Get into the dangerous final stage that possibly bump at automobile, promptly automobile bumps in the time of can't avoiding, and then when tightening up safety strap, adopts the method that starts safety air bag in advance, guarantees the injury that the passenger receives in collision is reduced to minimum degree.
As preferably, the anti-side impact of described automobile is alleviated system and is also comprised:
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 possibly occur is bigger; So the present invention has considered the influence of automobile flat tire especially in anti-side impact alleviation system, be provided with the monitoring means of blowing out specially, so that better handle the problem that the automobile burst is blown out.
As preferably, the anti-side impact of described automobile is alleviated system and is also comprised 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 possibly danger occur.Get into the dangerous intermediary that to bump at automobile, adopt automatic blocking prediction in advance 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 possibly receive.
As preferably, described left range only radar and right range only radar are separately positioned on the left and right sides at automobile middle part, and before measurement is arranged on headstock portion apart from radar, and back range only radar is arranged on tailstock portion.
The control method of automobile anti-side impact alleviation 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; Calculate this car and leave 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 whether the right side car possibly bump and possibly 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 the speed of a motor vehicle of the distance of Ben Che and left side car or right side car divided by left side car or right side car with the time that left side car or right side car possibly bump.
When this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone possibly bump more than or equal to Ben Che and left side car or right side car; Judge that promptly this car possibly 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 possibly occur colliding, by the real-time data processing of colliding a side that possibly more early take place, wherein:
When Ben Che and left side car or/and the time that the right side car possibly 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 before measurement simultaneously 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 possibly 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 driver sounds and light warning information; If the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander; This car of vehicle speed control system control is implemented to quicken; When this car leaves the risk of collision zone; This car of vehicle speed control system control slows down, and returns to the state before quickening; What adopt here is to quicken the short time to make automobile leave the deathtrap, after confirming that automobile leaves the deathtrap, promptly returns to the state before quickening rapidly, 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 possibly 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 through the belt with pre-load device control unit.
When Ben Che and left side car or/and time that the right side car possibly 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 smaller or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger through the safety air bag control unit; If the speed of a motor vehicle is greater than 10 meter per seconds relatively, crashproof control unit starts safety air bag with the protection passenger in advance through the safety air bag control unit when tightening up safety strap.When automobile is about to collision collision can't have been avoided in other words; Adopt the method that starts safety air bag in advance; So can be because thereby air bag has been opened the injury that reduces the passenger when collision takes place; 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 receives in collision is reduced to minimum degree.
Since when side impact takes place this car with the left side car or/and the right side car goes direction approaching usually vertical; Therefore when this car speed of a motor vehicle is very fast; Left side car locking near this car or/and the right side car is not easy to be captured; The prevention side impact is difficulty relatively, and therefore, the present invention is the side impact prevention when having considered that this car speed of a motor vehicle is slow more.In addition; When this car stops; Though near left side car locking of this car or/and the right side appearance of vehicle is prone to be captured, consider stop the manoevreability difference of this car of back and usually before and after also have other car and stop, therefore can only consider protection problem more to passenger in the car.
As preferably, when the anti-side impact alleviation system of described automobile comprises that when blowing out monitoring means, the control method that system is alleviated in the anti-side impact of automobile 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, and distance and the relative velocity of the handler of blowing out through detected car and back car calculates the time that possibly bump with the back car, when time that Ben Che and back car possibly bump during greater than 3 seconds; Sound and light warning information to Ben Che and back car chaufeur, this car of vehicle speed control system control is implemented the part brake; This car, was sounded and light warning information to Ben Che and back car chaufeur during less than 3 seconds with back car time that possibly bump.
This car can directly record through the back range only radar with the distance of back car, and relative velocity can be confirmed 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 take place suddenly, chaufeur has little time reaction and correct reply usually, and the possibility that occurs other unforeseen circumstancess when considering automobile flat tire simultaneously again is minimum; Therefore when automobile flat tire occurring; Crashproof control unit changes the handler of blowing out automatically over to, and the system of the anti-side impact alleviation of automobile at this moment only handles the problem of blowing out, and temporarily abandons other problems is handled; Can shorten the time of run of program so greatly, be convenient to handle quickly the problem of blowing out.When car is far away in distance back, can take part brake measure, if distance is too near, then not take the brake measure, but the back car is sent warning, with the accident of avoid slowing down too fast generation and back car collision as far as possible.
As preferably, when the anti-side impact alleviation system of described automobile comprised the door and window control unit, the control method that system is alleviated in the anti-side impact of automobile was further comprising the steps of:
Or/and time that the right side car possibly bump during less than 1 second, crashproof control unit is through possibly 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 possibly bump during less than 1 second, crashproof control unit possibly collided the door and window of side with the protection passenger through door and window control unit automatic blocking when Ben Che and left side car.
As preferably, the control method that system is alleviated in the anti-side impact of automobile 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; Confirm 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 a speed of a motor vehicle (unit: meter per second) to safety distance.
The vehicle speed data that provides according to car speed sensor is confirmed the safety distance of running car; Guarantee traffic safety; At actual distance during less than safety driving distance; The prompting chaufeur notes, is 90 kilometers promptly during 25 metre per second (m/s)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 little relatively when the speed of a motor vehicle was low, therefore, when the speed of a motor vehicle during smaller or equal to 70 kilometers, safety driving distance control is transferred to chaufeur and is handled, and can avoid unnecessary restriction spacing like this.
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; It is complete that the systematic protection function is alleviated in the anti-side impact of automobile of the present invention; Crashproof effective, have remarkable promotional value and social benefit.
Description of drawings
Fig. 1 is a kind of structured flowchart that system embodiment 1 is alleviated in the anti-side impact of automobile of the present invention;
Fig. 2 is a kind of structured flowchart that system embodiment 2 is alleviated in the anti-side impact of automobile of the present invention;
Fig. 3 is a kind of structured flowchart that system embodiment 3 is alleviated in the anti-side impact of automobile of the present invention.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing that the specific embodiment of technical scheme of the present invention is further described.
Embodiment 1
In embodiment shown in Figure 11; System is alleviated in the anti-side impact of a kind of automobile; Be used for avoiding to greatest extent the generation of automobile side crash or alleviate the infringement that automobile side crash brings; The anti-side impact alleviation system of described automobile 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, back range only radar, left range only radar and right range only radar, is respectively applied for the real-time distance of measuring between this car and front truck, back car, left side car and the right side car; Described before measurement is arranged on headstock portion apart from radar, and back range only radar is arranged on tailstock portion, and left range only radar and right range only radar are separately positioned on the left and right sides at automobile middle part.
Crashproof control unit; Be used for receiving radar ranging system measured real-time distance and the real time data that above-mentioned radar ranging system provides is calculated; According to preset threshold value this car state is judged simultaneously; When this car is in the hazardous location, send corresponding instruction to the relevant actuating unit of this car according to predefined program;
Vehicle speed control system is used for the instruction based on crashproof control module, controls the acceleration or the retarding braking of this car;
Car speed sensor is used to detect the speed of a motor vehicle of this car, and this vehicle speed data is offered crashproof control unit;
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, when this car brake snub, tighten up safety strap or start safety air bag in advance with the protection passenger.
The control method of the automobile of embodiment 1 anti-side impact alleviation system 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; Calculate this car and leave 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 whether the right side car possibly bump and possibly 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 the speed of a motor vehicle of the distance of Ben Che and left side car or right side car divided by left side car or right side car with the time that left side car or right side car possibly bump;
C. when this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone possibly bump more than or equal to Ben Che and left side car or right side car; Judge that promptly this car possibly 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 possibly occur colliding, by the real-time data processing of colliding a side that possibly more early take place, wherein:
When Ben Che and left side car or/and the time that the right side car possibly 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 before measurement simultaneously 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 possibly 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 driver sounds and light warning information; If the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander; This car of vehicle speed control system control is implemented to quicken; When this car leaves the risk of collision zone; This car of vehicle speed control system control slows down, and returns to the state before quickening;
When Ben Che and left side car or/and the time that the right side car possibly 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 through the belt with pre-load device control unit;
When Ben Che and left side car or/and time that the right side car possibly 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 smaller or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger through the safety air bag control unit; If the speed of a motor vehicle is greater than 10 meter per seconds relatively, crashproof control unit starts safety air bag with the protection passenger in advance through the safety air bag control unit when tightening up safety strap.
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; Confirm 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 a speed of a motor vehicle (unit: meter per second) to safety distance.
Embodiment 2
In embodiment shown in Figure 22, the anti-side impact of automobile is alleviated system and is also comprised:
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 that system is alleviated in the anti-side impact of the automobile of embodiment 2 is except that 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, and distance and the relative velocity of the handler of blowing out through detected car and back car calculates the time that possibly bump with the back car, when time that Ben Che and back car possibly bump during greater than 3 seconds; Sound and light warning information to Ben Che and back car chaufeur, this car of vehicle speed control system control is implemented the part brake; This car, was sounded and light warning information to Ben Che and back car chaufeur during less than 3 seconds with back car time that possibly bump.
Embodiment 3
In embodiment shown in Figure 33; The anti-side impact of automobile is alleviated system and is also comprised the door and window control unit; Be used for instruction according to crashproof control unit; The automatic blocking prediction automobile door and window of side that bumps when automobile possibly danger occur is specially: or/and time that the right side car possibly bump during less than 1 second, crashproof control unit is through possibly the collide door and window of side of door and window control unit automatic blocking when Ben Che and left side car; Promptly when this car possibly collide with the left side car, the door and window in locking car left side; When this car possibly collide with the right side car, the door and window on locking car right side; When both sides all possibly occur colliding, the door and window of locking both sides; All the other are identical with embodiment 2.
Need to prove; Except that the foregoing description; Use needs according to reality; The anti-side impact of automobile of the present invention is alleviated system and is optionally comprised one or both of said blow out monitoring means and door and window control unit, and said monitoring means and the door and window control unit of blowing out also can separately move.
Claims (8)
1. system is alleviated in the anti-side impact of automobile; Be used for avoiding to greatest extent the generation of automobile side crash or alleviate the infringement that automobile side crash brings; It is characterized in that; The anti-side impact alleviation system of described automobile 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, back range only radar, left range only radar and right range only radar, is respectively applied for the real-time distance of measuring between this car and front truck, back car, left side car and the right side car;
Crashproof control unit; Be used for receiving radar ranging system measured real-time distance and the real time data that above-mentioned radar ranging system provides is calculated; According to preset threshold value this car state is judged simultaneously; When this car is in the hazardous location, send corresponding instruction to the relevant actuating unit of this car according to predefined program;
Vehicle speed control system is used for the instruction based on crashproof control module, controls the acceleration or the retarding braking of this car;
Car speed sensor is used to detect the speed of a motor vehicle of this car, and this vehicle speed data is offered crashproof control unit;
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, when this car brake snub, tighten up safety strap or start safety air bag in advance with the protection passenger.
2. system is alleviated in the anti-side impact of automobile according to claim 1, it is characterized in that: the anti-side impact of described automobile is alleviated system and is also comprised:
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.
3. system is alleviated in the anti-side impact of automobile according to claim 1 and 2, it is characterized in that: the anti-side impact of described automobile is alleviated system and is also comprised:
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 possibly danger occur.
4. system is alleviated in the anti-side impact of automobile according to claim 1, and it is characterized in that: described before measurement is arranged on headstock portion apart from radar, and back range only radar is arranged on tailstock portion, and left range only radar and right range only radar are separately positioned on the left and right sides at automobile middle part.
5. the control method of an automobile according to claim 1 anti-side impact alleviation system 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; Calculate this car and leave 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 whether the right side car possibly bump and possibly 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 the speed of a motor vehicle of the distance of Ben Che and left side car or right side car divided by left side car or right side car with the time that left side car or right side car possibly bump;
C. when this car speed of a motor vehicle be zero or this car leave the time that time with collision risk zone possibly bump more than or equal to Ben Che and left side car or right side car; Judge that promptly this car possibly 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 possibly occur colliding, by the real-time data processing of colliding a side that possibly more early take place, wherein:
When Ben Che and left side car or/and the time that the right side car possibly 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 before measurement simultaneously 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 possibly 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 driver sounds and light warning information; If the distance of Ben Che and front truck is greater than 3 times of this car vehicle commander; This car of vehicle speed control system control is implemented to quicken; When this car leaves the risk of collision zone; This car of vehicle speed control system control slows down, and returns to the state before quickening;
When Ben Che and left side car or/and the time that the right side car possibly 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 through the belt with pre-load device control unit;
When Ben Che and left side car or/and time that the right side car possibly 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 smaller or equal to 10 meter per seconds, crashproof control unit tightens up safety strap with the protection passenger through the safety air bag control unit; If the speed of a motor vehicle is greater than 10 meter per seconds relatively, crashproof control unit starts safety air bag with the protection passenger in advance through the safety air bag control unit when tightening up safety strap.
6. the control method of automobile according to claim 5 anti-side impact alleviation system, wherein, the anti-side impact alleviation system of described automobile comprises the monitoring means of blowing out, and it is characterized in that 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, and distance and the relative velocity of the handler of blowing out through detected car and back car calculates the time that possibly bump with the back car, when time that Ben Che and back car possibly bump during greater than 3 seconds; Sound and light warning information to Ben Che and back car chaufeur, this car of vehicle speed control system control is implemented the part brake; This car, was sounded and light warning information to Ben Che and back car chaufeur during less than 3 seconds with back car time that possibly bump.
7. the control method of automobile according to claim 5 anti-side impact alleviation system, wherein, the anti-side impact alleviation system of described automobile comprises the door and window control unit, it is characterized in that further comprising the steps of:
Or/and time that the right side car possibly bump during less than 1 second, crashproof control unit is through possibly 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 the control method of claim 5 or 6 or 7 described automobiles anti-side impact alleviation system, it is characterized in that further comprising the steps of:
This car vehicle speed data that provides based on vehicle speed sensor; When this car speed of a motor vehicle during greater than 70 kilometers; Confirm the safe distance of this car and front truck, this car that current range radar is surveyed is with the distance of front truck during less than safe distance, to this car driver warning 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 a speed of a motor vehicle (unit: meter per second) to safety distance.
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