CN104553981A - Vehicle front-end collision avoidance warning method - Google Patents

Vehicle front-end collision avoidance warning method Download PDF

Info

Publication number
CN104553981A
CN104553981A CN201310493282.9A CN201310493282A CN104553981A CN 104553981 A CN104553981 A CN 104553981A CN 201310493282 A CN201310493282 A CN 201310493282A CN 104553981 A CN104553981 A CN 104553981A
Authority
CN
China
Prior art keywords
value
vehicle
inclination angle
distance value
warning
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.)
Pending
Application number
CN201310493282.9A
Other languages
Chinese (zh)
Inventor
吴陈宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunda Computer Technology Kunshan Co Ltd
Mitac International Corp
Original Assignee
Kunda Computer Technology Kunshan Co Ltd
Mitac International Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunda Computer Technology Kunshan Co Ltd, Mitac International Corp filed Critical Kunda Computer Technology Kunshan Co Ltd
Priority to CN201310493282.9A priority Critical patent/CN104553981A/en
Publication of CN104553981A publication Critical patent/CN104553981A/en
Pending legal-status Critical Current

Links

Landscapes

  • Traffic Control Systems (AREA)

Abstract

The invention discloses a vehicle front-end collision avoidance warning method. The method includes the following steps that a slope detector outputs an inclination angle value representing the inclination angle of the vehicle; a processor executes a program code so as to receive the inclination angle value and calculates a warning distance value according to the inclination angle value, a gravity acceleration value and a first speed value and a first deceleration value respectively representing initial speed and an average brake deceleration of the vehicle, and the warning distance value decreases under the condition that the inclination angle value increases and increases under the condition that the inclination angle value decreases; a preceding vehicle detector outputs a preceding vehicle distance value; the processor judges whether the preceding vehicle distance value is less than or equal to the warning distance value or not, and a warning signal is sent out if yes. The warning is given according to inclination angle adjustment of vehicle advancing.

Description

Vehicle front anti-collision alarm method
[technical field]
The present invention relates to a kind of anti-collision alarm method, refer to especially a kind of can for the vehicle front anti-collision alarm method of slope accommodation.
[background technology]
Whether automotive front end anti-collision warning system, be have vehicle too close for detecting front, and send the system of warning.The minimum standard of warning is needed to be that position when front truck brake stops equals position when rear car brake stops.
Therefore, the formula warning distance D is
D = V 1 · T + V 1 2 2 a 1 - V 2 2 2 a 2 Wherein V 1for the initial speed of a motor vehicle of rear car, T represents the reaction time of presetting of stepping on brake after user sees warning, V 1t is idling stopping distance, is the distance that in this reaction time, rear car is walked, a 1for the brake mean deceleration of rear car, rear car braking distance, V 2and a 2be respectively the initial speed of a motor vehicle and the brake mean deceleration of front truck, it is front truck braking distance.When brake above-mentioned brake mean deceleration be all on the occasion of.
Derivation mode is, when sending warning, with the position of now rear car for initial point, rear car and front truck are at a distance of this warning distance D, and now front truck brakes, and can walk again rear stopping, position when therefore front truck brake stops is and rear car after user sees warning, step on brake before this period of reaction time in walk V 1t, walking after starting to brake rear stopping, position when therefore rear car brake stops is the position equaled when rear car brake stops by the front truck position of braking when stopping can obtaining transposition can obtain aforementioned warning distance D.
But calculate the warning distance of gained in the above described manner, on sloping highway, because of acceleration due to gravity relation, can produce too early or cross the situation of warning in evening.Therefore, how to calculate warning distance more accurately, just become the theme that is worth research.
[summary of the invention]
Main purpose of the present invention be to provide a kind of can for the vehicle front anti-collision alarm method of slope accommodation.
For achieving the above object, vehicle front anti-collision alarm method of the present invention, performed by a caution system, the internal memory that this caution system comprises a slope detector, a front truck detector, stores a warning distance computation routine code, and the treater that is connected with aforementioned components, the method includes the steps of:
This slope detector is detected and is exported the inclination angle value that represents the angle of inclination of this vehicle, and when this vehicle is when going up a slope, this inclination angle value is greater than 0, and when this vehicle is at descending, this inclination angle value is less than 0.
This treater performs this program code and receives this inclination angle value, and according to this inclination angle value, a gravity acceleration value, and represent the initial speed of a motor vehicle of this vehicle and brake one first vehicle speed value of mean deceleration and one first deceleration value respectively and calculate a warning distance value, this warning distance value is for reducing when this inclination angle value increases, and is for increasing when this inclination angle value reduces.
This front truck detector is detected and is exported a leading vehicle distance value, represents this vehicle and the distance between a front vehicles of this vehicle front.
According to this warning distance value and this leading vehicle distance value, this treater judges whether this leading vehicle distance value is less than or equal to this warning distance value, if so, then sends an alerting.
Preferably, the account form of this warning distance value comprises
V 1 2 2 ( a 1 + g · sin ( α ) ) , wherein, α is this inclination angle value, and g is this gravity acceleration value, and g is this gravity acceleration value, and gsin (α) namely represents the size of acceleration due to gravity component on the slope, V 1for this first vehicle speed value, a 1for this first deceleration value.
Preferably, this warning distance value represents with D, and equal an idling stopping distance value and add a braking distance difference, this idling stopping distance value is with T drepresent, represent the distance that the reaction time of stepping on brake after user receives this alerting this vehicle interior is walked, this braking distance difference is with B drepresent, the braking distance equaling this vehicle deducts the braking distance of front vehicles, and equation is D=T d+ B d, and
T d = V 1 · T - 1 2 ( g · sin ( α ) ) · T 2 B d = V 1 2 2 ( a 1 + g · sin ( α ) ) - V 2 2 2 ( a 2 + g · sin ( α ) ) , wherein, T is the reaction time value in this reaction time of representative, V 1for this first vehicle speed value, a 1for this first deceleration value, V 2and a 2be respectively one second vehicle speed value and one second deceleration value of the initial speed of a motor vehicle and the brake mean deceleration representing this front vehicles.
Preferably, this first deceleration value comprises in one and is built in this internal memory and represents the car type of the vehicle at place or the definite value of vehicle; Or comprise an a kind of corresponding definite value selecting in the multiple car type stored by this internal memory or vehicle according to user.
Preferably, this first deceleration value is also relevant to following at least one, a vehicle condition parameter representing vehicle-state, and the environmental parameters of generation table environment.
Preferably, this vehicle condition parameter comprises the tire pressure parameter representing tire pressure; This environmental parameters comprises and represents the rainy day parameter that weather is the rainy day, and when the tire pressure of this vehicle reduces or weather is the rainy day, this first deceleration value can reduce, and this warning distance value is increased.
Preferably, this front truck detector is a video camera, after obtaining the image of front vehicles continuously, calculate the rate of change of this front vehicles number of shared picture element in these images and obtain the relative speed of a motor vehicle of front vehicles relative to this vehicle, this relative speed of a motor vehicle is added that this first vehicle speed value of this vehicle draws the speed of a motor vehicle of front vehicles by this treater again, i.e. this second vehicle speed value; Further, the function of this front truck detecting utensil image identification, export identification result to this treater after the car type of this front vehicles of identification or vehicle, this treater is again from this second deceleration value that this memory lookup is corresponding.
Preferably, this caution system also comprises the regulation and control interface that supplies a user operation, this treater through this user of this regulation and control interface input and in a permissible range, adjust the size of this warning distance value, thus adjust the susceptibility that this caution system sends this alerting.
Preferably, the mode adjusting the size of this warning distance value is by this warning distance value increase and decrease one first predetermined value or is multiplied by one first predetermined multiplying power and adjusts.
Preferably, this caution system also comprises a regulation and control interface operated for a user, this treater is through being somebody's turn to do, it is characterized in that, this caution system also comprises a regulation and control interface operated for a user, this treater receives the input of this user and in a permissible range, adjusts the size of this warning distance value through this regulation and control interface, thus the susceptibility that this caution system sends this alerting is adjusted, wherein, the mode adjusting the size of this warning distance value is by this reaction time value increase and decrease one second predetermined value or is multiplied by one second predetermined multiplying power and this warning distance value that Indirect method calculates
Preferably, this caution system also comprises an annunciator, and this treater sends this alerting makes this annunciator send a light or a sound to this annunciator.
Compared with prior art, the acceleration/accel that vehicle front anti-collision alarm method of the present invention causes through acceleration due to gravity when calculating, this calculated warning distance value can be made to be for reducing when this inclination angle value increases, and be for increasing when this inclination angle value reduces, compare to determine whether send alerting with leading vehicle distance value again, the angle of inclination can advanced for this vehicle adjusts and sends warning.
[accompanying drawing explanation]
Other the feature of the present invention and effect, clearly present in describing in detail with reference to graphic preferred embodiment, wherein:
Fig. 1 is a system block diagrams, and a preferred embodiment of vehicle front anti-collision alarm method of the present invention is described; And
Fig. 2 is a schematic flow sheet, and this preferred embodiment is described.
[detailed description of the invention]
Consult Fig. 1 and Fig. 2, the preferred embodiment of vehicle front anti-collision alarm method of the present invention, coordinate a driving computer system 2 to perform by a caution system 1.This caution system 1 be such as be arranged in a homing advice or when vehicle release in be built on car, this caution system 1 comprises the internal memory 13, that slope detector 11, front truck detector 12, stores a warning distance computation routine code and regulates and controls interface 14, annunciator 15, network transmission module 16 and a treater be connected with aforementioned components 100.This slope detector 11 is such as that a vertical gyro etc. can sense self-view and changes and the sensor producing an inclination angle value.This driving computer system 2 is detected, note down and manage the relevant various parameters of driving, and comprises tire pressure detector 21 and a speed detecting device 22.This vehicle front anti-collision alarm method comprises following steps S1 to S5.
Step S1-detecting inclination angle.This slope detector 11 is detected and is exported this inclination angle value, and it represents the angle of inclination of this vehicle, and when this vehicle is when going up a slope, this inclination angle value is greater than 0, and when this vehicle is at descending, this inclination angle value is less than 0.
Step S2-calculates warning distance value.This treater 100 performs this program code and receives this inclination angle value, and according to this inclination angle value, a gravity acceleration value, and represent the initial speed of a motor vehicle of this vehicle and brake one first vehicle speed value of mean deceleration and one first deceleration value respectively and calculate a warning distance value, this warning distance value is for reducing when this inclination angle value increases, and is for increasing when this inclination angle value reduces.
Specifically, the calculating formula of this warning distance value core is as follows,
V 1 2 2 ( a 1 + g · sin ( α ) ) , wherein, α is this inclination angle value, refers to the angle of horizon and this vehicle forward direction in the present invention.When this vehicle is when going up a slope, α is greater than 0, and when this vehicle is at descending, α is less than 0, and possible number range is less than 90 degree and is greater than negative 90 degree, and g is this gravity acceleration value, usually with 9.8m/s 2substitute into, gsin (α) namely represents the size of acceleration due to gravity component on the slope, V 1for this first vehicle speed value, a 1for this first deceleration value.In this formula, this first deceleration value is made to add the component of this acceleration due to gravity, when can give expression to upward slope, the component of acceleration due to gravity and brake deceleration degree are in the same way, acceleration due to gravity has helped brake, therefore increase the value of the first deceleration value, represent that this vehicle can stop sooner, only need this lower warning distance value; During descending, sin (α) is negative value, and the component of acceleration due to gravity and brake deceleration degree are reverse, acceleration due to gravity reduces braking ability, therefore decrease the value of the first deceleration value, represent that the distance that this vehicle can need more to grow could stop, and need this higher warning distance value.So, this warning distance value calculated just can for slope accommodation.
Illustrate further, the more complete account form of this warning distance value is the acceleration/accel come according to the gravitational acceleration component on slope in the formula of across-the-board regulation prior art.This warning distance value represents with D, and equal an idling stopping distance value and add a braking distance difference, this idling stopping distance value is with T drepresent, represent the distance that the reaction time of stepping on brake after user receives this alerting this vehicle interior is walked, this braking distance difference is with B drepresent, the braking distance equaling this vehicle deducts the braking distance of the front vehicles (not shown) being positioned at this vehicle front, and equation is D=T d+ B d, and
T d = V 1 · T - 1 2 ( g · sin ( α ) ) · T 2
B d = V 1 2 2 ( a 1 + g · sin ( α ) ) - V 2 2 2 ( a 2 + g · sin ( α ) ) , wherein, T is the reaction time value in this reaction time of representative, is usually set as 0.7 to 1.2 second, V 2and a 2be respectively one second vehicle speed value and one second deceleration value of the initial speed of a motor vehicle and the brake mean deceleration representing this front vehicles.
Supplemental instruction, according to this more complete account form, the calculating formula of aforementioned core can be considered that the static and user of hypothesis front truck steps on situation after the abbreviation of brake instantaneously.
And in the situation used in reality, the result of above-mentioned more complete account form gained also may and non-fully is desirable and need adjustment.Such as, for increasing safety, predeterminable range value can be added at above-mentioned warning distance value, with early warning ahead of time.In addition, this regulation and control interface 14 is such as one group of button (non-icon), set susceptibility for user, this treater 100 receives the input of user and adjusts the size of this warning distance value through this regulation and control interface 14, thus suitably adjust the susceptibility that this caution system 1 sends this alerting.And the mode of adjustment is such as by this warning distance value increase and decrease one first predetermined value or is multiplied by one first predetermined multiplying power and adjusts, or by this reaction time value increase and decrease one second predetermined value or be multiplied by one second predetermined multiplying power and this warning distance value that Indirect method calculates, but be not limited with above-mentioned.
The mode that other each numerical value obtain below is described.This first deceleration value required in calculating, that this treater 100 reads by this internal memory 13, this internal memory 13 stores deceleration value corresponding in multiple car type or vehicle, if this caution system 1 is arranged in this homing advice, namely this car type stored by internal memory 13 or vehicle select wherein a car type or vehicle and set the deceleration value of its correspondence as this first deceleration value for user, if this caution system 1 be when vehicle release in be built on car, then this first deceleration value namely in be built in this internal memory 13.
This first deceleration value is also relevant at least one corrected parameter, this corrected parameter is the rainy day parameter that the such as one tire pressure parameter or representing tire pressure represents that weather is the rainy day, when the tire pressure of this vehicle reduces or weather is the rainy day, this first deceleration value can reduce, and this warning distance value is increased.This rainy day parameter can connect internet via network transmission module 16 and capture synoptic data and obtaining, and this tire pressure parameter is then online with this driving computer system 2 and obtain the correlation parameter that this tire pressure detector 21 detects.But be not limited with above-mentioned, various vehicle parameter such as mileage number, maintenance state etc. can also be added, and if there is support in the depot of this vehicle, then and above-mentioned parameter can pass through network transmission module 16 and connects internet crawl.The equation of this part can be expressed as
A 1w 1a 11-w 2a 12-..., wherein a in Section 1 11the first deceleration value under normal condition, a 12then the correction term of the first deceleration value prestored being relevant to above-mentioned each corrected parameter afterwards, and w 1, w 2... be then every can according to aforementioned parameters manoevreability adjustment weight.For example, when raining, being relevant to this rainy weight will increase, and thus lowers the first deceleration value finally drawn, and then this warning distance value is increased.
In the present embodiment, this first vehicle speed value is that this treater 100 is online and obtain the speed of a motor vehicle that this speed detecting device 22 detects with this driving computer system 2, but not as limit, also can be such as measure the speed of a motor vehicle according to global positioning satellite signal and obtain.
About this second vehicle speed value, what need first illustrate is that this front truck detector 12 is video cameras in the present embodiment, detect the distance of front vehicles in step s3, explanation after holding, and after this front truck detector 12 of this step obtains the image of front vehicles continuously, calculate the rate of change of this front vehicles number of shared picture element in these images and obtain the relative speed of a motor vehicle of front vehicles relative to this vehicle, this relative speed of a motor vehicle is added that this first vehicle speed value of this vehicle draws the speed of a motor vehicle of front vehicles by this treater 100 again, i.e. this second vehicle speed value.But not being limited with above-mentioned, also can be utilize Doppler effect to detect radar or supersonic frequency shift, or other modes records the relative speed of a motor vehicle of front vehicles relative to this vehicle.
As for this second deceleration value, the function of this front truck detector 12 tool image identification, export identification result to this treater 100 after the car type of this front vehicles of meeting identification or vehicle, this treater 100 obtains this corresponding second deceleration value from the inquiry of this internal memory 13 again.But be not limited with above-mentioned, the image of front truck can take from external driving recorder or other video cameras.
More than be the more accurate account form of warning distance value proposed by the invention.
Step S3-detects leading vehicle distance.This front truck detector 12 is detected and is exported a leading vehicle distance value, represents the distance between this vehicle and this front vehicles.This front truck detector 12 is these video cameras, calculates the distance of front vehicles according to the number detecting picture element shared by front vehicles in captured image.But not as limit, also can be detect radar or calculate this leading vehicle distance value supersonic reflection interval, or otherwise record this leading vehicle distance value.
It should be noted that, this step S3 is not limited to perform after step S2, as long as carry out a former time point in step S4.Because obtaining of this in abovementioned steps S2 second vehicle speed value needs with this front truck detector 12, therefore this step S3 also can perform before step S2.But strictly speaking, do not need this leading vehicle distance value in step S2, therefore this step is carry out before step S 4 at the latest.About the mode of the number judgment object velocity and distance by image picture element and non-invention emphasis, do not repeat them here.
According to this warning distance value and this leading vehicle distance value, this treater 100 of step S4-judges whether this leading vehicle distance value is less than or equal to this warning distance value.If so, then send an alerting to this annunciator 15 (step S5), this annunciator 15 is such as a LED or a loud speaker, and after receiving this alerting, send the warning of such as a light or a sound.Finally, no matter whether this treater 100 sends alerting, all return the flow process that step S1 carries out next time.
In sum, through the acceleration/accel that acceleration due to gravity when calculating causes, this calculated warning distance value can be made to be for reducing when this inclination angle value increases, and be for increasing when this inclination angle value reduces, other vehicle parameter and artificial setting is coordinated to adjust this warning distance value again, last and leading vehicle distance value compares to determine whether send alerting, can send warning more accurately, therefore really can reach the object of the present invention.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (11)

1. a vehicle front anti-collision alarm method, performed by a caution system, the internal memory that this caution system comprises a slope detector, a front truck detector, stores a warning distance computation routine code, and the treater that is connected with aforementioned components, it is characterized in that, the method includes the steps of:
This slope detector is detected and is exported the inclination angle value that represents the angle of inclination of this vehicle, and when this vehicle is when going up a slope, this inclination angle value is greater than 0, and when this vehicle is at descending, this inclination angle value is less than 0;
This treater performs this program code and receives this inclination angle value, and according to this inclination angle value, a gravity acceleration value, and represent the initial speed of a motor vehicle of this vehicle and brake one first vehicle speed value of mean deceleration and one first deceleration value respectively and calculate a warning distance value, this warning distance value is for reducing when this inclination angle value increases, and is for increasing when this inclination angle value reduces;
This front truck detector is detected and is exported a leading vehicle distance value, represents this vehicle and the distance between a front vehicles of this vehicle front; And
According to this warning distance value and this leading vehicle distance value, this treater judges whether this leading vehicle distance value is less than or equal to this warning distance value, if so, then sends an alerting.
2. anti-collision alarm method according to claim 1, it is characterized in that, the account form of this warning distance value comprises
V 1 2 2 ( a 1 + g · sin ( α ) ) , wherein, α is this inclination angle value, and g is this gravity acceleration value, and g is this gravity acceleration value, and gsin (α) namely represents the size of acceleration due to gravity component on the slope, V 1for this first vehicle speed value, a 1for this first deceleration value.
3. anti-collision alarm method according to claim 2, it is characterized in that, this warning distance value represents with D, and equal an idling stopping distance value and add a braking distance difference, this idling stopping distance value is with T drepresent, represent the distance that the reaction time of stepping on brake after user receives this alerting this vehicle interior is walked, this braking distance difference is with B drepresent, the braking distance equaling this vehicle deducts the braking distance of this front vehicles, and equation is D=T d+ B d, and
T d = V 1 · T - 1 2 ( g · sin ( α ) ) · T 2
B d = V 1 2 2 ( a 1 + g · sin ( α ) ) - V 2 2 2 ( a 2 + g · sin ( α ) ) , wherein, T is the reaction time value in this reaction time of representative, V 1for this first vehicle speed value, a 1for this first deceleration value, V 2and a 2be respectively one second vehicle speed value and one second deceleration value of the initial speed of a motor vehicle and the brake mean deceleration representing this front vehicles.
4. vehicle front anti-collision alarm method according to claim 1 or 2 or 3, is characterized in that, this first deceleration value comprises in one and is built in this internal memory and represents the car type of the vehicle at place or the definite value of vehicle; Or comprise an a kind of corresponding definite value selecting in the multiple car type stored by this internal memory or vehicle according to user.
5. vehicle front anti-collision alarm method according to claim 4, it is characterized in that, this first deceleration value is also relevant to following at least one, a vehicle condition parameter representing vehicle-state, and the environmental parameters of generation table environment.
6. vehicle front anti-collision alarm method according to claim 5, it is characterized in that, this vehicle condition parameter comprises the tire pressure parameter representing tire pressure; This environmental parameters comprises and represents the rainy day parameter that weather is the rainy day, and when the tire pressure of this vehicle reduces or weather is the rainy day, this first deceleration value can reduce, and this warning distance value is increased.
7. vehicle front anti-collision alarm method according to claim 3, it is characterized in that, this front truck detector is a video camera, after obtaining the image of front vehicles continuously, calculate the rate of change of this front vehicles number of shared picture element in these images and obtain the relative speed of a motor vehicle of front vehicles relative to this vehicle, this relative speed of a motor vehicle is added that this first vehicle speed value of this vehicle draws the speed of a motor vehicle of front vehicles by this treater again, i.e. this second vehicle speed value; Further, the function of this front truck detecting utensil image identification, export identification result to this treater after the car type of this front vehicles of identification or vehicle, this treater is again from this second deceleration value that this memory lookup is corresponding.
8. vehicle front anti-collision alarm method according to claim 1 or 2 or 3, it is characterized in that, this caution system also comprises a regulation and control interface operated for a user, this treater receives the input of this user and in a permissible range, adjusts the size of this warning distance value through this regulation and control interface, thus adjust the susceptibility that this caution system sends this alerting.
9. vehicle front anti-collision alarm method according to claim 8, is characterized in that, the mode adjusting the size of this warning distance value is by this warning distance value increase and decrease one first predetermined value or is multiplied by one first predetermined multiplying power and adjusts.
10. vehicle front anti-collision alarm method according to claim 3, it is characterized in that, this caution system also comprises a regulation and control interface operated for a user, this treater receives the input of this user and in a permissible range, adjusts the size of this warning distance value through this regulation and control interface, thus the susceptibility that this caution system sends this alerting is adjusted, wherein, the mode adjusting the size of this warning distance value is by this reaction time value increase and decrease one second predetermined value or is multiplied by one second predetermined multiplying power and this warning distance value that Indirect method calculates.
11. according to claim 1 or 2 or 3 vehicle front anti-collision alarm method, it is characterized in that, this caution system also comprises an annunciator, and this treater sends this alerting makes this annunciator send a light or a sound to this annunciator.
CN201310493282.9A 2013-10-18 2013-10-18 Vehicle front-end collision avoidance warning method Pending CN104553981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310493282.9A CN104553981A (en) 2013-10-18 2013-10-18 Vehicle front-end collision avoidance warning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310493282.9A CN104553981A (en) 2013-10-18 2013-10-18 Vehicle front-end collision avoidance warning method

Publications (1)

Publication Number Publication Date
CN104553981A true CN104553981A (en) 2015-04-29

Family

ID=53071390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310493282.9A Pending CN104553981A (en) 2013-10-18 2013-10-18 Vehicle front-end collision avoidance warning method

Country Status (1)

Country Link
CN (1) CN104553981A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106853794A (en) * 2015-12-07 2017-06-16 财团法人金属工业研究发展中心 Inner wheel difference warning method and system for sensing object distance by using structure light
US11333767B2 (en) * 2019-04-03 2022-05-17 Caterpillar Inc. Avoidance modifier system for collision avoidance system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312595A1 (en) * 1992-09-23 1994-03-24 Werner Laukien Collision prevention system for vehicles - uses distance sensing arrangement with ultrasound transmitter mounted on front face of vehicle.
JPH09286313A (en) * 1996-04-19 1997-11-04 Toyota Motor Corp Vehicle collision preventing device
CN1916562A (en) * 2005-08-18 2007-02-21 中国科学院半导体研究所 Early-warning method and apparatus for anticollision of cars
CN1990321A (en) * 2005-12-30 2007-07-04 财团法人工业技术研究院 Intelligent type automobile side crashproof caution system and method thereof
CN101407193A (en) * 2008-11-11 2009-04-15 徐克林 Anticollision alarming device for vehicle
CN103318174A (en) * 2012-03-20 2013-09-25 比亚迪股份有限公司 Vehicle anti-collision control system and control method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4312595A1 (en) * 1992-09-23 1994-03-24 Werner Laukien Collision prevention system for vehicles - uses distance sensing arrangement with ultrasound transmitter mounted on front face of vehicle.
JPH09286313A (en) * 1996-04-19 1997-11-04 Toyota Motor Corp Vehicle collision preventing device
CN1916562A (en) * 2005-08-18 2007-02-21 中国科学院半导体研究所 Early-warning method and apparatus for anticollision of cars
CN1990321A (en) * 2005-12-30 2007-07-04 财团法人工业技术研究院 Intelligent type automobile side crashproof caution system and method thereof
CN101407193A (en) * 2008-11-11 2009-04-15 徐克林 Anticollision alarming device for vehicle
CN103318174A (en) * 2012-03-20 2013-09-25 比亚迪股份有限公司 Vehicle anti-collision control system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106853794A (en) * 2015-12-07 2017-06-16 财团法人金属工业研究发展中心 Inner wheel difference warning method and system for sensing object distance by using structure light
US11333767B2 (en) * 2019-04-03 2022-05-17 Caterpillar Inc. Avoidance modifier system for collision avoidance system

Similar Documents

Publication Publication Date Title
US10518772B2 (en) Vehicle position detecting apparatus
CN107867288B (en) Method for detecting a forward collision
US9643617B2 (en) Friction coefficient estimation from camera and wheel speed data
US8320626B2 (en) Image processing apparatus
US9574538B2 (en) Idling stop control system for vehicle
US10384658B2 (en) Estimated time-to-collision (TTC) calculation apparatus and estimated TTC calculation method
US7769506B2 (en) Driver assistance system controller and driver assistance control method for vehicles
US8073606B2 (en) Vehicle control system
JP5742626B2 (en) Follow-up control device
US20210245769A1 (en) Driver assistance system
KR101545054B1 (en) Driver assistance systems and controlling method for the same
CN109094560B (en) Self-adaptive cruise method and device
CN115918101A (en) Image pickup apparatus, information processing apparatus, image pickup system, and image pickup method
US20220305909A1 (en) Automatic speed control device, automatic speed control method, and automatic speed control program
JP6564127B2 (en) VISUAL SYSTEM FOR AUTOMOBILE AND METHOD FOR CONTROLLING VISUAL SYSTEM
TWI493514B (en) Vehicle front-end collision warning method
CN104553981A (en) Vehicle front-end collision avoidance warning method
WO2020090320A1 (en) Information processing device, information processing method, and information processing program
US20200202638A1 (en) Information acquisition apparatus, information acquisition method, and non-transitory storage medium storing program
US12024169B2 (en) Automatic speed control device, automatic speed control method, and automatic speed control program
US11511735B2 (en) Signal processing apparatus and signal processing method
TWI573713B (en) Indicating device and method for driving distance with vehicles
KR101535723B1 (en) An Active Cruise Control Apparatus and A Method for the same
US20220114768A1 (en) Information processing device, information processing method, and information processing program
RU2807793C1 (en) Method for automatically limiting vehicle speed

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150429