CN102887127B - For the active safety feature of vehicle and the method that controls this active safety feature - Google Patents
For the active safety feature of vehicle and the method that controls this active safety feature Download PDFInfo
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- CN102887127B CN102887127B CN201110405403.0A CN201110405403A CN102887127B CN 102887127 B CN102887127 B CN 102887127B CN 201110405403 A CN201110405403 A CN 201110405403A CN 102887127 B CN102887127 B CN 102887127B
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- passenger
- behavior
- vehicle
- active safety
- safety equipment
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001133 acceleration Effects 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 9
- 230000008901 benefit Effects 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 6
- 238000005457 optimization Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 210000000038 chest Anatomy 0.000 claims 7
- 210000000481 breast Anatomy 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016766 flatulence Diseases 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Abstract
The present invention relates to for the active safety feature of vehicle and the method that controls this active safety feature.A kind of active safety feature for vehicle and a kind of method controlling described device; it can condition based on vehicle collision and depend on the condition of vehicle collision and the passenger behavior that changes and the operation actively controlling safety equipment; thus the condition for vehicle collision is optimally protected passenger and improves the passenger safety of vehicle, described safety equipment are for example, arranged in vehicle for suppressing passenger behavior in vehicle collision and protecting airbag device or the seatbelt apparatus of passenger.
Description
Technical field
In general, the present invention relates to a kind of active safety feature for vehicle, more specifically and
Speech, the present invention relates to a kind of technology, its in real time in response to the change of passenger behavior by actively pressing down
Passenger behavior processed and in the case of vehicle collision occurs, realize the optimum security performance of vehicle.
Background technology
Airbag device and seatbelt apparatus are the representativenesses of the safety equipment for vehicle
Example.Conventional airbag device or the seatbelt apparatus of routine have such as institute in Fig. 1
The drive mechanism shown.When there is vehicle collision, safety airbag ECU or FIS (Frontal Impact
Sensor, frontal impact sensor) output safety airbag inflation signal, so that air bag
Expand, and seat harness tensioning controls equipment and runs to suppress the movement of passenger.
But, for vehicle convention security equipment problematically, once run signal response
Apply in vehicle collision to safety equipment, then these safety equipment are just with predetermined physical quantities (example
Such as preset pressure or default load) expand or run, to protect passenger, thus cause safety to set
For may not optimally protect passenger under particular vehicle impact conditions or collision speed of vehicle though.
In other words, depending on the speed of vehicle collision condition or vehicle collision, passenger behavior may
There is the biggest change.But, passenger behavior may by the Conventional mechanisms that predetermined physical quantities is limited
Passenger can not be optimally protected for particular vehicle collision.
As reference, shown below is the example of cited file, it discloses and touch at vehicle
The skill of the intensity being pulled for the pressure or seat harness that control airbag cushion in hitting
Art.
Reference document 1:KR10-2004-0041350A.
Reference document 2:KR10-2001-0066080A.
The information being disclosed in this background section is merely intended to deepen the general background to the present invention
The understanding of technology, and be not construed as recognizing or implying this information structure in any form
Prior art known to those skilled in the art.
Summary of the invention
Various aspects of the invention relate to providing a kind of active safety feature for vehicle and
Planting the method controlling described device, it can be according to the condition of vehicle collision and and vehicle collision
The relation of condition and actively control safety equipment and (be such as arranged in vehicle for touching at vehicle
Hit middle suppression passenger behavior and protect airbag device or the seatbelt apparatus of passenger)
Operation, thus optimally protect in the state for vehicle collision condition optimizing passenger and
Improve the passenger safety of vehicle.
In one aspect of the invention, the active safety feature for vehicle may include that impact sense
Surveying unit, described impact sensing unit is for sensing the impact acceleration of described vehicle；Actively control
Device processed, described active controller is used for: use the impact from described impact sensing unit output to add
Velocity pulse and vehicle behavior is estimated, according to estimate vehicle behavior passenger behavior is entered
Row is estimated, arranges the satisfied rejection condition realizing passenger safety according to the passenger behavior estimated
The desired value of passenger behavior, arranges the transportation load of active safety equipment to realize the mesh of passenger behavior
Scale value, and run described active safety equipment according to described transportation load；And sensing unit,
Described sensing unit is for sensing the result running described active safety equipment and the knot by sensing
Fruit sends to described active controller.
In one aspect of the invention, a kind of method controlling the active safety feature for vehicle,
May include that vehicle behavior is estimated by the impact acceleration pulse using described vehicle；Base
In the vehicle behavior estimated, passenger behavior estimated and arrange based on the passenger behavior estimated
Meet the desired value of the passenger behavior of the rejection condition realizing passenger safety；Arrange and realize passenger
The transportation load of the active safety equipment of the desired value of behavior；And run institute according to described transportation load
State active safety equipment.
Therefore, the present invention can according to the condition of vehicle collision and with vehicle collision condition and
Change passenger behavior and actively control safety equipment (be such as arranged in vehicle for suppress take advantage of
Visitor's behavior and protect airbag device or the seat harness of the passenger related in vehicle collision
Equipment) operation, thus in the state for vehicle collision condition optimizing optimally protection take advantage of
Visitor and improve the passenger safety of vehicle.
By include in accompanying drawing herein and subsequently together with accompanying drawing for some of the present invention is described
The detailed description of the invention of principle, further feature that methods and apparatus of the present invention is had and advantage
Will be clear from or more specifically be illustrated.
Accompanying drawing explanation
Fig. 1 is showing the block diagram of the operation of the convention security equipment being arranged in vehicle.
Fig. 2 is showing the active safety for vehicle of the exemplary embodiment according to the present invention
The block diagram of the configuration of device.
Fig. 3 is showing by using the active controller of Fig. 2 to estimate passenger behavior
The block diagram of the process of the desired value of passenger behavior is set.
Fig. 4 is showing the letter of vehicle behavior and the time estimated by the active controller of Fig. 2
The curve chart of number relation.
Fig. 5 be showing target chest acceleration that the active controller by Fig. 2 determines and time
Between the curve chart of functional relationship.
Fig. 6 is that the active safety for vehicle controlling the exemplary embodiment according to the present invention fills
The flow chart of the method put.
It should be understood that accompanying drawing presents the certain of each feature of elaboration its general principles
The simplification of degree represents, thus be not necessarily drawn to scale.Invention disclosed herein
Specific design feature, including such as specific dimensions, orientation, position and shape, by part
Ground is by specifically intended application and uses environment to be determined.
In the accompanying drawings, reference represent in whole several accompanying drawings the identical of the present invention or
The part of equivalence.
Detailed description of the invention
Reference will be made in detail now each embodiment of the present invention, the example of these embodiments
It is shown in the accompanying drawings and is described as follows.Although the present invention will combine with exemplary
It is described, it will be appreciated that this specification is not intended to limit the invention to those
Exemplary.On the contrary, it is contemplated that not only cover these exemplary,
And cover and can be included in the spirit and scope of the present invention being defined by the appended claims
Within various selection forms, modification, the equivalent form of value and other embodiment.
Referring now to accompanying drawing referring more specifically to the preferred embodiments of the invention.
As shown in Fig. 2 to Fig. 5, according to the exemplary embodiment of the present invention for vehicle
Active safety feature includes: impact sensing unit 1, and impact sensing unit 1 is for sensing vehicle
Impact acceleration；Active controller 3, active controller 3 is used for: use from impact sensing unit
1 output impact acceleration pulse and vehicle behavior is estimated, according to estimate vehicle behavior
Passenger behavior is estimated, disclosure satisfy that according to the passenger behavior setting estimated and be capable of taking advantage of
The desired value of the passenger behavior of the rejection condition of visitor's safety, arranges and is capable of passenger behavior
The transportation load of the active safety equipment of desired value, and drive actively peace according to default transportation load
Full equipment；Active safety equipment 5, is controlled by active controller 3 and protects passenger；And intelligence
Can sense unit 7, intelligence sensing unit 7 is for sensing the result running active safety equipment 5 also
And the operation result of sensing is sent to active controller 3.
Impact sensing unit 1 can use shock transducer, such as frontal impact sensor (FIS).
Certainly, active controller 3 can add about the impact of vehicle from traditional airbag ECU reception
The information of speed, and in these cases, safety airbag ECU will play impact sensing unit
The effect of 1.
Active controller 3 is configured to receive to run from intelligence sensing unit 7 actively pacify
The result of full equipment 5, and active safety equipment 5 can be carried out feedback control.
Specifically, active controller 3 performs the mode of feedback control active controller is led to
Cross with predetermined period vehicle behavior and passenger behavior estimated and repeatedly and periodically
The desired value of passenger behavior is set, and by the desired value of passenger behavior is being equal to
Reference value Cg-ref (reference value of the chest acceleration of passenger) and will from intelligence sense unit 7
The result running active safety equipment 5 of output is equal to corrected value after corrected value Cg
Cg is applied to reference value Cg-ref and resets the transportation load of active safety equipment 5.
Therefore, when there is vehicle collision when, active controller 3 is according to the bar of vehicle collision
Part repeatedly determines the desired value of passenger behavior, and runs actively peace according to the desired value determined
Full equipment 5, and by considering that active safety equipment 5 is carried out continuously by passenger behavior in real time
Feedback control (it is the result running active safety equipment 5), so that active safety sets
Standby 5 can run in the way of the condition for vehicle collision is optimized, and can be at pin
To the state of vehicle collision condition optimizing optimally suppresses passenger, thus improve vehicle collision feelings
Passenger safety under condition.
Active controller 3 can use first linear model transportation load to active safety equipment 5
It is configured, in the first linear model, by the mesh by corrected value Cg application to passenger behavior
The result that reference value Cg-ref of scale value determines is arranged to independent variable, and active safety equipment 5
Transportation load be arranged to dependent variable.
Additionally, active controller 3 can use the second linear model to determine corrected value Cg,
In bilinear model, it is arranged to independent variable from the signal of intelligence sensing unit 7 output, and
Corrected value Cg is arranged to dependent variable.
Additionally, active safety equipment 5 is configured to enable its transportation load at active controller 3
Control under real-time change.Such as, when active safety equipment 5 is airbag device, should
Airbag device may be configured such that can be to from swollen to airbag cushion of inflator supply
The tension force opening ratio or tether of the flow of flatulence body and flow velocity, passage is carried out in real time
Control.
Additionally, when seatbelt apparatus is used as active safety equipment 5, seat harness sets
For being configurable to be controlled in real time, to change moving back of opposing belt (webbing)
Around power or actively tractive or release belt.
Additionally, intelligence sensing unit 7 be configured to can be according to the fortune of active safety equipment 5
Go and measure passenger behavior in real time, and passenger behavior can be exported to active controller 3.Example
As, intelligence sensing unit 7 is configurable to can sense seat harness unwinding in real time
Degree, thus sense the unwinding amount about seat harness, withdrawal speed or unwinding acceleration
Information, and this information is converted into passenger behavior, or the motion of passenger can be carried out reality
Time take pictures, thus sense passenger behavior according to the change in the image of the motion of passenger.
Here, will be with reference to Fig. 3 to Fig. 5, to active controller 3 from impact sensing unit 1
Receive the information of the impact acceleration about vehicle and the desired value of passenger behavior is configured
Process be described.
Accelerated by the impact using lowest mean square difference method to process from impact sensing unit 1 output
Spend pulse and estimate vehicle behavior, by estimating passenger behavior according to the vehicle behavior estimated, and
And by being capable of the suppression bar of passenger safety for the passenger behavior optimization of given estimation
Part is so that just before vehicle collision, total chest behavior of passenger is less than chest and the side of passenger
The condition of the distance between dish and collision terminates when the chest speed of passenger be zero
Condition can meet, and active controller 3 can set up target chest acceleration, i.e. passenger
The desired value of behavior.As reference, Fig. 4 is showing the curve chart of vehicle behavior, its be
Repeat displacement and the functional relationship of time estimated with the interval of 10 milliseconds after vehicle collision.Figure
5 are showing target chest acceleration and the curve chart of the functional relationship of time, and target chest accelerates
Degree is to be set in advance as completely based on the estimation carried out passenger behavior according to the vehicle behavior estimated
Foot is capable of the desired value of the passenger behavior of the rejection condition of passenger safety.
The operation of the active safety feature for vehicle of the exemplary embodiment according to the present invention will
It is controlled by following methods.
It is to say, as shown in Figure 6, the use of the exemplary embodiment according to the present invention is controlled
Method in the active safety feature of vehicle includes: use the impact acceleration pulse of vehicle to car
Operation S10 is estimated in the vehicle behavior that behavior carries out estimating, based on the vehicle behavior estimated to passenger
Behavior carries out estimating and arranging according to the passenger behavior estimated disclosure satisfy that being capable of passenger pacifies
The passenger behavior of the desired value of the passenger behavior of the rejection condition of full property estimates operation S20, arranges energy
The transportation load of the transportation load enough realizing the active safety equipment 5 of the desired value of passenger behavior arranges behaviour
Make S30, and drive the device drives behaviour of active safety equipment 5 according to the transportation load pre-set
Make S40.
Additionally, execution feedback control.In feedback control, after device drives operation S40
Sense the passenger behavior of the operation according to active safety equipment 5, and by taking advantage of that consideration senses
The transportation load of active safety equipment 5 is set up in visitor's behavior in transportation load arranges operation S30.
The description that above embodiment specific illustrative to the present invention is presented is in order at explanation and retouches
The purpose stated.Description above is not intended to become milli exhaustively, is not intended to this
Bright it is limited to disclosed precise forms, it is clear that much change according to above-mentioned teaching and change all
It is possible.Select exemplary and to be described be to explain that the present invention's is specific
Principle and actual application thereof, so that others skilled in the art are capable of and utilize
The various exemplary of the present invention and various selection form thereof and modification.The present invention
Scope be intended to be limited by appended claims and equivalents thereof.
Claims (5)
1. for an active safety feature for vehicle, including:
Impact sensing unit, described impact sensing unit accelerates for the impact sensing described vehicle
Degree；
Active controller, described active controller is used for: use from described impact sensing unit defeated
The impact acceleration pulse that goes out and vehicle behavior is estimated, according to the vehicle behavior pair estimated
Passenger behavior is estimated, according to estimate passenger behavior arrange meet realize passenger safety
The desired value of the passenger behavior of rejection condition, arranges the transportation load of active safety equipment to realize taking advantage of
The desired value of visitor's behavior, and run described active safety equipment according to described transportation load；And
Sensing unit, described sensing unit is for sensing the result running described active safety equipment
And the result of sensing is sent to described active controller；
Wherein, the mode that described active controller uses feedback control to perform to control makes described master
Movement controller by with predetermined period vehicle behavior and passenger behavior estimated and the most also
And periodically arrange the desired value of passenger behavior, and by by the desired value of passenger behavior
It is equal to reference value and the described active of operation of sensing that will export from described sensing unit
The result of safety equipment after being equal to corrected value corrected value is applied to reference value and again
The transportation load of described active safety equipment is set；
Wherein, described active controller:
By using the first linear model that the transportation load of described active safety equipment is configured,
In described first linear model, by the desired value by described application of correction values to passenger behavior
The result that determines of reference value be arranged to independent variable, and the operation of described active safety equipment
Amount is arranged to dependent variable；
The second linear model is used to determine described corrected value, in described second linear model, from
The result of the sensing of described sensing unit output is arranged to independent variable, and described corrected value quilt
It is set to dependent variable；
Wherein, described active controller by using the second linear model to determine described corrected value,
The passenger behavior measured is transfused in described second linear model；
Wherein, by using lowest mean square difference method according to from described impact sensing unit output
Vehicle behavior is estimated by impact acceleration pulse, and by according to the vehicle behavior estimated
Estimate passenger behavior, and by realizing passenger safety according to the passenger behavior optimization estimated
Rejection condition is so that just before vehicle collision, total chest behavior of passenger is less than the breast of passenger
The condition of the distance between portion and steering wheel and collision terminates when the chest speed of passenger
Be zero condition be all met, target chest acceleration is set to take advantage of by described active controller
The desired value of visitor's behavior.
Active safety feature for vehicle the most according to claim 1, wherein, described
Active controller uses feedback control with the operation in response to the sensing transmitted from described sensing unit
The result of described active safety equipment and control described active safety equipment.
Active safety feature for vehicle the most according to claim 1, wherein
Described active safety equipment is configured to the control making its transportation load at described active controller
Lower real-time change；And
Described sensing unit measures passenger behavior in real time according to the operation of described active safety equipment,
And the passenger behavior output extremely described active controller that will measure.
4. the method controlling the active safety feature for vehicle, including:
Vehicle behavior is estimated by the impact acceleration pulse using described vehicle；
Based on the vehicle behavior estimated, passenger behavior is estimated and according to the passenger's row estimated
For arranging the desired value of the passenger behavior meeting the rejection condition realizing passenger safety；
The transportation load of the active safety equipment of the desired value realizing passenger behavior is set；And
Described active safety equipment is run according to described transportation load；
Wherein, the mode that active controller uses feedback control to perform to control makes described active control
Device processed by with predetermined period vehicle behavior and passenger behavior estimated and repeatedly and week
The desired value of passenger behavior is set to phase property, and by the desired value of passenger behavior is being arranged
For equal to reference value and by the operation described active safety equipment of the sensing from sensing unit output
Result be equal to corrected value after corrected value be applied to reference value and reset described
The transportation load of active safety equipment；
Wherein, described active controller:
By using the first linear model that the transportation load of described active safety equipment is configured,
In described first linear model, by the desired value by described application of correction values to passenger behavior
The result that determines of reference value be arranged to independent variable, and the operation of described active safety equipment
Amount is arranged to dependent variable；
The second linear model is used to determine described corrected value, in described second linear model, from
The result of the sensing of described sensing unit output is arranged to independent variable, and described corrected value quilt
It is set to dependent variable；
Wherein, described active controller by using the second linear model to determine described corrected value,
The passenger behavior measured is transfused in described second linear model；
Wherein, by using lowest mean square difference method according to the impact from impact sensing unit output
Vehicle behavior is estimated by acceleration pulse, and by estimating according to the vehicle behavior estimated
Passenger behavior, and by realizing the suppression of passenger safety according to the passenger behavior optimization estimated
Condition so that just before vehicle collision total chest behavior of passenger less than passenger chest with
The condition of the distance between steering wheel and collision terminates when the chest speed of passenger be zero
Condition be all met, target chest acceleration is set to passenger's row by described active controller
For desired value.
Control the most according to claim 4 is used for the method for the active safety feature of vehicle,
Wherein, after the operation of described active safety equipment, sense passenger behavior, and by considering
The value of the passenger behavior of sensing regulates the operation of described active safety equipment in arranging transportation load
Amount.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0071255 | 2011-07-19 | ||
| KR1020110071255A KR101305896B1 (en) | 2011-07-19 | 2011-07-19 | Active safety apparatus for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102887127A CN102887127A (en) | 2013-01-23 |
| CN102887127B true CN102887127B (en) | 2016-12-14 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445233A (en) * | 1994-08-04 | 1995-08-29 | Fernie; Geoffrey R. | Multi-directional motorized wheelchair |
| EP1000819A2 (en) * | 1998-11-12 | 2000-05-17 | Ford Global Technologies, Inc. | Method and apparatus for determining time to fire an occupant restraint system using occupant sensor inputs |
| US6213510B1 (en) * | 1998-11-27 | 2001-04-10 | Honda Giken Kogyo Kabushiki Kaisha | Occupant restraint apparatus and method of controlling occupant restraint apparatus |
| US6816766B2 (en) * | 2002-11-26 | 2004-11-09 | General Motors Corporation | Continuous collision severity prediction |
| CN1783041A (en) * | 2004-12-03 | 2006-06-07 | 微软公司 | Wireless USB hardware scheduling |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5445233A (en) * | 1994-08-04 | 1995-08-29 | Fernie; Geoffrey R. | Multi-directional motorized wheelchair |
| EP1000819A2 (en) * | 1998-11-12 | 2000-05-17 | Ford Global Technologies, Inc. | Method and apparatus for determining time to fire an occupant restraint system using occupant sensor inputs |
| US6213510B1 (en) * | 1998-11-27 | 2001-04-10 | Honda Giken Kogyo Kabushiki Kaisha | Occupant restraint apparatus and method of controlling occupant restraint apparatus |
| US6816766B2 (en) * | 2002-11-26 | 2004-11-09 | General Motors Corporation | Continuous collision severity prediction |
| CN1783041A (en) * | 2004-12-03 | 2006-06-07 | 微软公司 | Wireless USB hardware scheduling |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20171208 |