CN104097591A - A method for reducing the risk of motor vehicle collision damage - Google Patents

A method for reducing the risk of motor vehicle collision damage Download PDF

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Publication number
CN104097591A
CN104097591A CN201410141772.7A CN201410141772A CN104097591A CN 104097591 A CN104097591 A CN 104097591A CN 201410141772 A CN201410141772 A CN 201410141772A CN 104097591 A CN104097591 A CN 104097591A
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CN
China
Prior art keywords
calibration
power actuated
actuated vehicle
rear portion
parking system
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.)
Granted
Application number
CN201410141772.7A
Other languages
Chinese (zh)
Other versions
CN104097591B (en
Inventor
塞米·菲利蒙·彼得里迪斯
尼尔斯·施勒塞尔
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Ford Global Technologies LLC
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Ford Global Technologies LLC
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Filing date
Publication date
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Publication of CN104097591A publication Critical patent/CN104097591A/en
Application granted granted Critical
Publication of CN104097591B publication Critical patent/CN104097591B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/002Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for parking purposes, e.g. for warning the driver that his vehicle has contacted or is about to contact an obstacle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R9/00Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
    • B60R9/08Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear
    • B60R9/10Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear for cycles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/93Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004Means for monitoring or calibrating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004Means for monitoring or calibrating
    • G01S2007/52009Means for monitoring or calibrating of sensor obstruction, e.g. dirt- or ice-coating

Abstract

A method and system for reducing the risk of damage to an object 10, 11 mounted on a rear of a motor vehicle 1 having a rear parking system 3, 8 during a reversing manoeuvre is disclosed. If an object such as a carrier 10 or bicycle 11 carried by the carrier 10 are sensed by a sensing system 2 to be in position, a calibration for the rear parking system 3, 8 is adjusted to increase the distance from the rear of the vehicle 1 that an obstruction to the rear of the motor vehicle 1 is indicated by the rear parking system 3, 8 as being a high collision risk.

Description

A kind of method for reducing collision of motor vehicle damage risk
Technical field
The present invention relates to power actuated vehicle, relate in particular to a kind of method of damage risk of the object for reducing the rear portion carrying to power actuated vehicle.
Background technology
From for example U.S. the 4th, 830, No. 250 and France the 2nd, can recognize in 531, No. 669 patents that it provides a kind of can being fixed on power actuated vehicle to carry shelf or the baggage rack installed after sale as the object of bicycle for the rear portion at power actuated vehicle.The problem that such baggage rack exists is that the object of baggage rack and baggage rack carrying will stretch out from the rear portion of power actuated vehicle or give prominence to.
Therefore, if bicycle luggage carrier has been fixed to the rear portion of vehicle, during reversing after parking system exactly to driver indicate apart from the safety distance of object ability will reduce.Carrying out the feedback of the sensor of the parts of parking system after self-forming will be wrong, and this is because they are calibrated to the output of the degree of approach that the object that the degree of approach at indication obstacle and the rear portion of vehicle rather than obstacle and such baggage rack carry is provided.This means that baggage rack or bicycle may encounter object in car backing operation, the sensor of simultaneously parking indication reversing is still safe.
Summary of the invention
An object of the present invention is to provide and a kind ofly overcome the problem relevant to the application of so rear fixing luggage frame, especially prevent the method and apparatus to the accident collision damage of the object of such baggage rack and/or baggage rack carrying.
According to a first aspect of the invention, provide a kind of for reducing in car backing operation to being fixed on the method for risk of damage of object at the rear portion of the power actuated vehicle with rear parking system, wherein whether the method inclusion test object is fixed on the rear portion of power actuated vehicle, and if determine that object is fixing like this, the calibration of parking system after adjusting, with can be with respect to object outstanding.
After adjusting, the calibration of parking system can comprise adjustment calibration, thereby make, the distance apart from R point that is designated as high risk of collision during than the calibration of application standard, is designated as high risk of collision by the obstacle of the R point farther place apart from power actuated vehicle rear portion.
After adjusting, the calibration of parking system can comprise the calibration of parking system after automatic adjustment, make to equal to predict that with the spaced apart assessment in rear portion of power actuated vehicle the object distance outstanding from rear portion adds the obstacle of the distance of safe clearance, will be indicated as high risk of collision.
Safe clearance can be that the rear portion of application standard when calibration and power actuated vehicle is isolated, the distance of the obstacle that is indicated as high risk of collision.
After adjusting, the calibration of parking system can comprise manual adjustment apart from the distance that is indicated as high risk of collision at the rear portion of power actuated vehicle.
The driver of power actuated vehicle can have an opportunity to select whether rear parking system to be applied to the calibration after adjusting.
If driver selects, not to the calibration after rear parking system application adjustment, can apply the standard calibration for power actuated vehicle.
If method also further comprises position and the driver that object is positioned at the rear portion of power actuated vehicle, select not apply the calibration after adjustment, warned driver.
Object can be bicycle luggage carrier and the one or more wherein one by being fixed in the bicycle of baggage rack carrying at rear portion of power actuated vehicle that is fixed to the rear portion of power actuated vehicle.
According to a second aspect of the invention, provide a kind of for the object that detects the rear portion be fixed on power actuated vehicle at the car backing operation checking system in the risk with obstacle collision whether, wherein checking system comprise whether induction obstacle exist after park sensing system and inspected object whether be fixed on the object detecting system at the rear portion of power actuated vehicle, if sense that object is fixed on the rear portion of power actuated vehicle, adjustment is for the calibration value of rear parking system, with can be with respect to object outstanding.
After adjusting, the calibration of parking system can comprise adjustment calibration, thereby make, the distance apart from R point that is designated as high risk of collision during than the calibration of application standard, is designated as high risk of collision by the obstacle of the R point farther place apart from power actuated vehicle rear portion.
System can comprise electronic controller, and after adjusting, the calibration of parking system can comprise the calibration of the rear parking system of adjustment automatically of applying electronic controller, make to equal to predict that with the spaced apart assessment in rear portion of power actuated vehicle object adds the obstacle of the distance of safe clearance from the outstanding distance in power actuated vehicle rear portion, will be indicated as high risk of collision.
The distance of the obstacle that when safe clearance can be the calibration of application standard and the rear portion of power actuated vehicle is isolated, be indicated as high risk of collision.
System can comprise electronic controller and man-machine interface, and after adjusting, the calibration of parking system can comprise application driver and inputs to man-machine interface, manually to adjust apart from the distance that is indicated as high risk of collision at the rear portion of power actuated vehicle.
System can comprise electronic controller and man-machine interface, and whether man-machine interface can offer an opportunity for the driver to power actuated vehicle selection to the calibration after rear parking system application adjustment.
The calibration after if driver selects rear parking system application not to be adjusted, calibration that could the standard of store in electronics package.
If object is positioned at the position at rear portion of power actuated vehicle and the calibration that driver has selected not apply adjustment, can apply their decision of man-machine interface warning driver.
Object can be bicycle luggage carrier and the one or more wherein one by being fixed in the bicycle being carried by baggage rack at rear portion of power actuated vehicle that is fixed to the rear portion of power actuated vehicle.
According to a third aspect of the present invention, provide a kind of power actuated vehicle with the checking system of second aspect according to the present invention structure.
Accompanying drawing explanation
Followingly with reference to these accompanying drawings, the present invention is described by way of example:
Fig. 1 is schematic diagram according to a third aspect of the present invention, that have the power actuated vehicle of checking system according to a second aspect of the invention;
Fig. 2 is the diagram of circuit of the first embodiment of method according to a first aspect of the invention;
Fig. 3 is the diagram of circuit of the second embodiment of method according to a first aspect of the invention; And
Fig. 4 is the diagram of circuit of the 3rd embodiment of method according to a first aspect of the invention.
The specific embodiment
With reference to Fig. 1, power actuated vehicle 1 is shown, its have be arranged on its rear portion 7 for carrying the baggage rack 10 of the object as bicycle 11, and detection system 20.When power actuated vehicle moves forward, in the direction as shown in the arrow of Fig. 1 " F ", travel, and have propulsion source (not shown), it is by having the change-speed box (not shown) driving machine motor vehicle of at least advancing with reverse-drive pattern.The in the situation that of gear transmission, when engaging reverse, enter reverse-drive pattern.
Detection system 20 comprises primary electron controller 30, be operably connected to electronic controller 30 and there is the first sensing unit 2 of object detection sensor 9, be operably connected to electronic controller 30 and there is the second sensing unit 3 of a pair of car backing sensor 8, reverse-drive sensor 18, voice output 15, and the man-machine interface (HMI) 4 that comprises screen 5 and operator input device 6.
The application sensors 9 of being set to the first sensing unit 2 detects the rear portion whether baggage racks 10 or automatic vehicle 11 are positioned at vehicle 1.Sensor 9 can be any suitable known type, as, as example but be not limited to super sonic proximity sensor, infrared pickoff and optical detector.If while there is at least one in baggage rack 10 and bicycle 11 from the signal designation that offers sensing unit 2 of sensor 9, corresponding signal is sent to electronic controller 30.This can be simple binary signal, as zero, equals not exist baggage rack or bicycle, and 1 equals to exist baggage rack 10 and/or bicycle 11, or can be more complicated, indicates whether only to exist baggage rack 10 or has baggage rack 10 and one or more bicycle 11.
The second sensing unit 3 is set to whether be positioned at the rear portion near power actuated vehicle 1 by sensor 8 inspected object.Namely, sensing unit 3 and sensor 8 sensing system of parking after forming.The type of the sensor 8 of application and after park operating in of sensing system textural in large many-side, be traditional, and can apply any known type after the sensing system of parking.The second sensing unit 3 is connected to electronic controller 30.
Will appreciate that, although the first sensing unit 2, the second sensing unit 3 and electronic controller 30 are depicted as in Fig. 1 to element separately, they can form a single central control unit.
And audible alert device 15 can be directly connected to the second sensing unit 3, HMI4 also can be directly connected to the second sensing unit 3.
In the first exercisable embodiment, checking system 20 as following operation.
If reverse-drive pattern has been selected in 18 indications of reverse-drive sensor, start car backing sensor 8 and object detection sensors 9 and their each sensing unit 3,2.
If the output indication from object detection sensors 9 does not exist baggage rack 10 or baggage rack 10 and bicycle 11, the first sensing units 2 are indicated to electronic controller 30 and hold fire at the rear portion 7 of power actuated vehicle 1.Namely, the calibration of rear parking system and operate unaffectedly, normally works.
But, if exist baggage rack 10 or baggage rack and bicycle 11, the first sensing units 2 to be indicated to electronic controller 30 at the rear portion 7 of power actuated vehicle 1 from the output indication of object detection sensors 9.
Electronic controller 30 response, from the input of the first sensing unit 2, is then adjusted the applied calibration of the second sensing unit 3 automatically, with can existing with respect to baggage rack 10 and/or baggage rack 10 and bicycle 11.Namely, the calibration after the second sensing unit 3 application changes or adjustment, to determine whether the having object near the rear portion of power actuated vehicle 1, this is according to existing baggage rack 10 or baggage rack 10 and bicycle 11 to redefine.
Fig. 1 illustrates for adjusting the example of a kind of method of calibration.In the situation that R point is worked as in the calibration of standard, be the rear portion of power actuated vehicle 1 in this case, and the distance between obstacle O1 is while being reduced to the value that is less than safety distance ' S ', obstacle O1 is indicated as high collision risk.In calibration situation after the adjustment of considering baggage rack 10 and bicycle 11, apart from R point, be that the obstacle O2 that the distance (S+X) at the rear portion 7 of power actuated vehicle 1 is located will be indicated as high risk of collision.Namely, to the calibration of high risk of collision area division from ' S ' of standard calibration being increased to (S+X) to the calibration adjusting.The value of ' X ' be in this case baggage rack 10 and bicycle 11 from the outstanding actual distance in the rear portion 7 of power actuated vehicle 1, but can be the different value of the outstanding actual distance of not direct correlation baggage rack 10 and bicycle 11.For example, when four bicycles 11 are fixed on baggage rack 10, ' X ' can be set to can be with respect to the most serious situation state.
In table 1, provide and can apply the example that this calibration changes, its middle distance is apart from known R point, as the distance of the position of sensor 8, and warning 1 represents the result of the calibration of application standard, and warning 2 represents the result of the calibration after application is adjusted.
Distance (m) Warning 1 Warning 2
0 to 0.35 High High
0.35 to 0.75 In High
0.75 to 1.15 Low In
1.15 to 1.55 Nothing Low
1.55+ Nothing Nothing
Table 1
In this example, ' X '=0.4m and S=0.35m.
In the situation that warning 1 calibration of standard, until being less than 0.35m apart from the object detecting, the R point on vehicle 1 just provides high warning, as the red vision that the lasting sounding of audible alert device 15 and/or the screen 5 by HMI4 provide is exported, yet, in the situation that the warning 2 of application calibration when there is baggage rack 10, the R point on vehicle 1 was positioned at apart from time in the object 0.75m detecting provides high warning as early as possible.
As is known in the art, neutralize low frequency sounding and/or the non-red vision output that low warning is respectively audible alert device 15.Above the type of described warning only provides by way of example, the invention is not restricted to the particular type of these warnings.
In the second exercisable embodiment, completely with reference to the first exercisable embodiment operation detection system 20 as above, difference is to before the calibration of the sensing system application adjustment of parking, and gives the calibration that driver's chance determines whether to apply adjustment.
Namely, baggage rack 10 detected in place and selected reverse, by HMI4, will send to driver as the information of " baggage rack detected, you wish to select the baggage rack pick up calibration of parking ".
Then driver can apply input 6 response, if or screen 5 are touch panel devices, by touch-screen 5, respond.If vehicle 1 has the system as the parts of HMI4, further selecting is voice initiated instruction.
If driver selects not change calibration, the calibration of application standard (warning 1 of table 1), and if they select to adjust calibration, the calibration (warning 2 of table 1) after application adjustment.
Although in the first and second exercisable embodiment, only there are " standard " and " after adjustment " two calibrations, it will be appreciated that, can also exist than two more calibrations.
For example,, if sensor 9 and the first sensing unit 2 can be assessed baggage rack 10 or baggage rack 10 and bicycle 11 from the outstanding distance of R point, the adjustment that can calibrate based on this assessment.In this case, the calibration meeting of adjustment based on induction outstanding value and change.
As another embodiment, if only there is baggage rack 10, will be the first calibration of adjusting compared with fractional value; If there is baggage rack 10 and one or more bicycle 11, it can be the calibration that the second bigger numerical is adjusted.
In the 3rd exercisable embodiment, checking system 20 by as following operation.
If reverse-drive pattern has been selected in 18 indications of reverse-drive sensor, start car backing sensor 8 and object detection sensors 9.
If the output indication from object detection sensors 9 does not exist baggage rack 10 or bicycle 11, the first sensing units 2 to be indicated to electronic controller 30 at the rear portion 7 of power actuated vehicle 1, do not take further action.Namely, the calibration of rear parking system and operate unaffected and will normally work.
But, if exist baggage rack 10 or bicycle 11, the first sensing units 2 to be indicated to electronic controller 30 at the rear portion of power actuated vehicle 1 from the output indication of object detection sensors 9.
Then electronic controller 30 will send to driver as the information of " rear baggage rack detected, you wish to adjust the pick up calibration of parking " by the screen 5 on HMI4.
If driver selects not change calibration, the calibration of the standard of store in electronics package (warning 1 of Fig. 1), if they select to adjust calibration, then they can input by HMI4 the value of the adjustment of wishing.The parts that electronics package can form electronic controller 30 can be maybe the parts of another electronic unit.
This can be the form of following a series of options:
Baggage rack only;
Baggage rack and a bicycle;
Baggage rack and two bicycles; Deng.
Giving driver's chance selects in option and automatically the calibration of the sensing system of parking is made to corresponding adjustment.
Selectively, driver can adjust the applied calibration of the second sensing unit 3 by HMI4, to consider existing of baggage rack 10 and/or baggage rack 10 and bicycle 11.Namely, driver inputs a value, and its distance that equals the needed hope of load of consideration carrying increases.
For example, if the extra outstanding of the rear portion from vehicle 1 that the bicycle 11 of baggage rack 10 and carrying causes is 0.75m, driver can input 0.75 as the adjustment needing, and then by the corresponding calibration that change or that adjust of the second sensing unit 3 application and this value, determine whether to exist object closely near the rear portion of power actuated vehicle 1, this is according to existing baggage rack 10 or baggage rack 10 and bicycle 11 to redefine.Namely, the calibrated distance of the standard shown in Fig. 1 ' S ' increases 0.75m, makes the new calibration of high risk of collision equal ' S ' and adds 0.75m.Will appreciate that, about all adjustment that calibration is made, correction needn't view aspect actual distance by the second perception unit 3, but conventionally aspect the variation of the required threshold signal level of the collision warning that generates high-risk, is viewing.
Information can provide in the user manual that the adjustment needing is set about various baggage racks and bicycle, or the actual detection that can be undertaken by the user of power actuated vehicle 1 obtains.
With reference to Fig. 2, the first embodiment for reducing the method 100 of the damage risk of the object of the rear portion carrying of power actuated vehicle is shown.
Method starts from frame 110, and this is " connection " (" key-on ") event, and then engine start, makes the engine-operated of power actuated vehicle 1.Method proceeds to frame 115, wherein checks the reverse-drive pattern of whether having selected.If not yet select reversing, method is around frame 115 circulations, because in this case, rear parking system only likely activates at vehicle when direction backward moves.
If selected reversing, method proceeds to frame 120, wherein checks the rear portion that whether is fixed on power actuated vehicle 1 as the baggage rack of bicycle rack.Will appreciate that, the present invention is adapted to be fixed to any baggage rack at the rear portion of power actuated vehicle 1 comparably, and is not limited to bicycle rack.
If determine not fixing luggage frame 10, method proceeds to frame 145, the wherein calibration to rear parking system application standard, and rear parking system is according to this correcting travel.Then method proceeds to frame 155, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 120, if not, method finishes at frame 195.
If confirm to be fixed with bicycle rack at frame 120, method proceeds to frame 140.At frame 140, select the calibration for rear parking system after predefined adjustment, and rear parking system is according to this correcting travel.Will appreciate that, the calibration of adjustment makes, and is normally if the situation of the calibration of application standard is compared, and the object farther apart from power actuated vehicle 1 rear portion will be indicated as possible collision threat.In addition,, during calibration that application is adjusted, apart from the distance at the rear portion of power actuated vehicle 1, be evaluated as and equal bicycle rack and likely from the object of the outstanding distance in the rear portion of power actuated vehicle 1, will be indicated as high risk of collision.
Then method proceeds to frame 150 from frame 140, to detect, whether still selects reverse or reversing driving model, and if so, method is got back to frame 120, and if not, method finishes at frame 190.
Will appreciate that, if there is at any time " disconnecting (key-off) " event, method 100 will finish automatically.
With reference to Fig. 3, it illustrates the second embodiment for reducing the method 200 of the risk of the damage of the object of the rear portion carrying of power actuated vehicle.
Method starts from frame 210, and this is " connection " (" key-on ") event, and then engine start, makes the engine-operated of power actuated vehicle 1.Method proceeds to frame 215, wherein checks the reverse-drive pattern of whether having selected.If not yet select reversing, method is around frame 215 circulations, because the sensor of parking afterwards in this case only likely activates at vehicle when direction backward moves.
If selected reversing, method proceeds to frame 220, wherein checks the rear portion that whether is fixed on power actuated vehicle 1 as the baggage rack of bicycle rack.
If determine not stationary bicycle frame, method proceeds to frame 245, the wherein calibration to rear parking system application standard, and rear parking system is according to this correcting travel.Then method proceeds to frame 255, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 220, if not, method finishes at frame 295.
If confirm to be fixed with bicycle rack at frame 220, method proceeds to frame 230, wherein gives the user of power actuated vehicle 1, accepts or the calibration of refusal after rear parking system application is adjusted as chaufeur chance.
If driver refuses the calibration after application is adjusted, method proceeds to frame 245, the wherein calibration to rear parking system application standard, and rear parking system is according to this correcting travel.Under these circumstances, can provide warning message to driver, to indicate the output no longer relying on from rear parking system.
Method proceeds to frame 255 from frame 245, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 220, and if not, method finishes at frame 295.
If at frame 230, driver accepts the calibration after rear parking system application adjustment, and then method proceeds to frame 240.At frame 240, select the calibration of the predefined adjustment of rear parking system and rear parking system according to this correcting travel.As previously mentioned, may there is the calibration of more than one predetermined adjustment.
The calibration of adjusting will be indicated, if the normal conditions during with the calibration of application standard are compared, apart from the farther object in the rear portion of power actuated vehicle 1, be possible collision threat, and be evaluated as and equal bicycle rack and likely from the object of the outstanding distance in the rear portion of power actuated vehicle 1, will be indicated as high risk of collision apart from the distance at the rear portion of power actuated vehicle 1.
Then method proceeds to frame 250 from frame 240, to detect, whether still selects reverse or reverse-drive pattern, and if so, method is got back to frame 220, and if not, method finishes at frame 290.
As above-mentioned, if there is at any time " disconnecting (key-off) " event, method 200 will finish automatically.
With reference to Fig. 4, it illustrates the 3rd embodiment for reducing the method 300 of the risk of the damage of the object of the rear portion carrying of power actuated vehicle.
Method starts from frame 310, and this is " connection " (" key-on ") event, and then engine start, makes the engine-operated of power actuated vehicle 1.Method proceeds to frame 315, wherein checks the reverse-drive pattern of whether having selected.If not yet select reversing, method is around frame 315 circulations, because in this case, rear parking system only likely activates at vehicle when direction backward moves.
If selected reversing, method proceeds to frame 320, wherein checks the rear portion that whether is fixed on power actuated vehicle 1 as the baggage rack of bicycle rack.
If determine not stationary bicycle frame, method proceeds to frame 345, the wherein calibration to rear parking system application standard, and rear parking system is according to this correcting travel.Then method proceeds to frame 355, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 320, if not, method finishes at frame 395.
If confirm to be fixed with bicycle rack at frame 320, method proceeds to frame 330, wherein gives the user of power actuated vehicle 1, accepts or the calibration of refusal after rear parking system application is adjusted as chaufeur chance.
If driver refuses the calibration after application is adjusted, method proceeds to frame 345, the wherein calibration to rear parking system application standard, and rear parking system is according to this correcting travel.Under these circumstances, can provide warning message to driver, after indication, parking system may no longer be trusted.
Then method proceeds to frame 355 from frame 345, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 320, and if not, method finishes at frame 395.
If at frame 330, driver accepts the calibration after rear parking system application adjustment, and then method proceeds to frame 335.At frame 335, driver inputs the calibration adjustment that the size of the object of baggage rack and transportation needs.This can be actual side-play amount, as is exemplified as 0.5m, or as the option scope of 0.5m, 0.75m, or baggage rack only, baggage rack and a bicycle, baggage rack and two bicycles.Then according to the calibration of parking system the indication adjustment of accepting from driver.Then method proceeds to frame 340.
At frame 340, select for the calibration after the adjustment of rear parking system, and according to parking system after this correcting travel.As aforementioned, the calibration of adjusting will be indicated, if the normal conditions during with the calibration of application standard are compared, apart from the farther object in the rear portion of power actuated vehicle 1, be possible collision threat, and be evaluated as and equal bicycle rack and likely from the object of the outstanding distance in the rear portion of power actuated vehicle 1, will be indicated as high risk of collision apart from the distance at the rear portion of power actuated vehicle 1.Then method proceeds to frame 350 from frame 340, checks whether still select reverse or reverse-drive pattern, and if so, method is got back to frame 320, and if not, method finishes at frame 390.As aforementioned, if there is at any time " disconnecting (key-off) " event, method 300 finishes automatically.
Therefore generally speaking, the scheme that the present invention presents provides a kind of mechanism that is used for warning driver, if wherein bicycle luggage carrier or other obstacle after the rear portion of power actuated vehicle detects, after park the particularity of sensing system may be damaged, advise or apply after the park calibration again of sensing system.When being fixed with bicycle luggage carrier or similarly installing, the additional actv. length of vehicle is considered in calibration again.In one embodiment, predefined additional distance is increased in the calibration of rear parking system automatically, and this may consider the most serious situation that actv. Vehicle length increases, as bicycle luggage carrier carries bicycle.In a selectable embodiment, driver can manually input the additional length of hope.
In order to implement the present invention, need a kind of system that can detect bicycle luggage carrier or the similar object at the rear portion that is fixed to vehicle.Realizing a kind of approach of this object is ultrasonic sensor or the equivalent device of parking correct position, that can detect the object that is fixed on vehicle rear that can apply the rear portion that is arranged on vehicle.Realizing the another kind of approach of this object is can apply reversing camera technique to detect whether be fixed with baggage rack.In either case, when baggage rack being detected, can present HMI information, require driver be confirmed whether to be fixed with bicycle luggage carrier (if or exist the obstacle of any other type) and, if driver confirms to exist, to driver, present option, to recalibrate rear parking system.Selectively, baggage rack no matter when detected, the adjustment of calibration can occur automatically, without driver, inputs.
It should be appreciated by those skilled in the art that, although describe the present invention by way of example with reference to one or more embodiment, the invention is not restricted to disclosed embodiment, can also build selectable embodiment, and do not depart from the scope of the present invention that claim limits.

Claims (22)

  1. One kind for reducing in car backing operation to being fixed on the method for risk of damage of object at the rear portion of the power actuated vehicle with rear parking system, it is characterized in that, the method comprises the rear portion whether inspection object is fixed on power actuated vehicle, if and confirm that object is fixing like this, the calibration of parking system after adjusting, with can be with respect to object outstanding.
  2. 2. method according to claim 1, it is characterized in that, after adjusting, the calibration of parking system comprises adjustment calibration, thereby make, the distance apart from R point that is designated as high risk of collision during than the calibration of application standard, is designated as high risk of collision by the obstacle of the R point farther place apart from power actuated vehicle rear portion.
  3. 3. method according to claim 2, it is characterized in that, the calibration that after adjusting, the calibration of parking system comprises parking system after automatic adjustment, makes to equal to predict that with the spaced apart assessment in rear portion of power actuated vehicle the object distance outstanding from rear portion adds that the obstacle of the distance of safe clearance will be indicated as high risk of collision.
  4. 4. method according to claim 2, is characterized in that, safe clearance is that the rear portion of application standard when calibration and power actuated vehicle is isolated, the distance of the obstacle that is indicated as high risk of collision.
  5. 5. method according to claim 1 and 2, is characterized in that, after adjusting, the calibration of parking system comprises manual adjustment apart from the distance that is indicated as high risk of collision at the rear portion of power actuated vehicle.
  6. 6. according to the method described in claim 3 to 5 any one, it is characterized in that, the driver of power actuated vehicle has an opportunity to select whether rear parking system to be applied to the calibration after adjusting.
  7. 7. method according to claim 6, is characterized in that, if driver selects not to the calibration after rear parking system application adjustment, application is for the standard calibration of power actuated vehicle.
  8. 8. according to the method described in claim 6 or 7, it is characterized in that, if method also further comprises position and the driver that object is in the rear portion of power actuated vehicle, selected not apply the calibration after adjustment, warn driver
  9. 9. according to the method described in claim 1 to 8 any one, it is characterized in that, object be fixed on power actuated vehicle rear portion bicycle luggage carrier and by the wherein one of one or more bicycles of baggage rack carrying that is fixed on the rear portion of power actuated vehicle.
  10. 10. one kind for the object that detects the rear portion be fixed on power actuated vehicle at the car backing operation checking system in the risk with obstacle collision whether, it is characterized in that, checking system comprise whether induction obstacle exist after park sensing system and inspected object whether be fixed on the object detecting system at the rear portion of power actuated vehicle, if sense that object is fixed on the rear portion of power actuated vehicle, adjustment is for the calibration value of rear parking system, with can be with respect to object outstanding.
  11. 11. systems according to claim 10, it is characterized in that, after adjusting, the calibration of parking system comprises adjustment calibration, thereby make, the distance apart from R point that is designated as high risk of collision during than the calibration of application standard, is designated as high risk of collision by the obstacle of the R point farther place apart from power actuated vehicle rear portion.
  12. 12. systems according to claim 11, it is characterized in that, system comprises electronic controller, and after adjusting, the calibration of parking system comprises the calibration of the rear parking system of adjustment automatically of applying electronic controller, makes to equal to predict that with the spaced apart assessment in rear portion of power actuated vehicle object adds that from the outstanding distance in power actuated vehicle rear portion the obstacle of the distance of safe clearance will be indicated as high risk of collision.
  13. 13. systems according to claim 12, is characterized in that, the distance of the obstacle that when safe clearance is the calibration of application standard and the rear portion of power actuated vehicle is isolated, be indicated as high risk of collision.
  14. 14. according to the system described in claim 10 or 11, it is characterized in that, system comprises electronic controller and man-machine interface, and after adjusting, the calibration of parking system comprises application driver and inputs to man-machine interface, manually to adjust apart from the distance that is indicated as high risk of collision at the rear portion of power actuated vehicle.
  15. 15. according to claim 12 to the system described in any one in 14, it is characterized in that, system comprises electronic controller and man-machine interface, and man-machine interface offers an opportunity and selects whether rear parking system to be applied to the calibration after adjusting for the driver to power actuated vehicle.
  16. 16. systems according to claim 15, is characterized in that, if driver selects not to the calibration after rear parking system application adjustment, the standard calibration of store in electronics package.
  17. 17. according to the system described in claim 15 or 16, it is characterized in that, if object is positioned at position and the driver at the rear portion of power actuated vehicle, has selected not apply the calibration after adjustment, their decision of application man-machine interface warning driver.
  18. 18. according to claim 10 to the system described in any one in 17, it is characterized in that, object is bicycle luggage carrier and the one or more wherein one by being fixed in the bicycle being carried by baggage rack at rear portion of power actuated vehicle that is fixed to the rear portion of power actuated vehicle.
  19. 19. 1 kinds of power actuated vehicles with the checking system described in any one in claim 10 to 18.
  20. 20. 1 kinds in fact as described in reference to accompanying drawing for reducing in car backing operation to being fixed on the method for risk of damage of object at the rear portion of the power actuated vehicle with rear parking system.
  21. 21. 1 kinds in fact as described in reference to accompanying drawing for the object that detects the rear portion that is fixed on power actuated vehicle at the car backing operation checking system in the risk with obstacle collision whether.
  22. 22. 1 kinds in fact as the power actuated vehicle as described in reference to accompanying drawing.
CN201410141772.7A 2013-04-10 2014-04-10 A kind of method for reducing collision of motor vehicle damage risk Expired - Fee Related CN104097591B (en)

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GB2512897A (en) 2014-10-15
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DE102014206248A1 (en) 2014-10-16

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