SE539978C2 - A system for mitigating collisions occurring in traffic - Google Patents
A system for mitigating collisions occurring in traffic Download PDFInfo
- Publication number
- SE539978C2 SE539978C2 SE1650880A SE1650880A SE539978C2 SE 539978 C2 SE539978 C2 SE 539978C2 SE 1650880 A SE1650880 A SE 1650880A SE 1650880 A SE1650880 A SE 1650880A SE 539978 C2 SE539978 C2 SE 539978C2
- Authority
- SE
- Sweden
- Prior art keywords
- vehicle
- collision
- traffic
- mitigating
- receiver
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/525—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking automatically indicating risk of collision between vehicles in traffic or with pedestrians, e.g. after risk assessment using the vehicle sensor data
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/22—Platooning, i.e. convoy of communicating vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
- B60Q1/50—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking
- B60Q1/508—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating other intentions or conditions, e.g. request for waiting or overtaking specific to vehicles driving in fleets or convoys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
- B60Q9/008—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling for anti-collision purposes
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/161—Decentralised systems, e.g. inter-vehicle communication
- G08G1/162—Decentralised systems, e.g. inter-vehicle communication event-triggered
Abstract
A system for mitigating collisions occurring in traffic including motor vehicles comprises on board a host motor vehicle (1) sensors for detection of the status of equipment of the vehicle sensitive to/reacting upon a collision or an expected collision of the vehicle with an object and a transmitter (7) transmitting a distress signal upon such a detection. When a receiver (8) receives said distress signal it will trig a control unit (9) associated therewith to activate a collision mitigating device/system (10) present in the traffic surrounding the motor vehicle.
Description
The present invention relates to a system for mitigating collisionsoccurring in traffic including motor vehicles, according to the pre-amble of claim 1.
The invention also relates to a motor vehicle used in such a system and a method for mitigating collisions occurring in traffic.
BACKGROUND ART Technical solutions for coordinating vehicle trains (or so-calledplatoons) are becoming increasingly frequent. These systems en-able a number of motor vehicles to travel much closer to one an-other than would be possible if a reacting distance for human re-action were needed. The main advantage of operating in such aplatoon formation is the possibility to reduce the fuel consumptionof the vehicles considerably as a consequence of the lowering ofthe air resistance obtained. Another advantage is the possibility toin some cases make the number of drivers smaller than the numberof vehicles. Automated Highway System (AHS), or Smart Road, isone example of this technology, which is designed to provide fordriverless cars on specific rights-of-way. The system is most oftentouted as a means of traffic congestion relief, since it will drasti-cally reduce following distances and headway, thus allowing more cars to occupy a given stretch of road.
Bus Rapid Transit (BRT) is another type of a vehicle train. Heretwo or more buses are coordinated to travel along a particular line,for instance to transport passengers to/from an airport, or in publictransportation. Of course, a group of trucks or automobiles may becontrolled in a corresponding manner to reduce the required num- ber of operators and render the use of fuel more efficient.
Safety is still one of the main aspects that must be consideredwhen operating a vehicle. Therefore, it must be taken under spe-cial consideration when designing automated systems for govern-ing vehicles that operate in a platoon formation. Vehicles partici-pating in a platoon communicate wirelessly with each other.Thereby, it is possible to obtain information from vehicles in frontand behind of each vehicle, which can add to drivers knowledgeabout what is happening and hence a safer driving experience can be obtained.
Even though systems of the type defined in the introduction aregetting more advanced through advances in technology, safety willalways be an issue as long as there are lives involved in the traffic.Most advanced driver assistant systems have a lot of safetymeasures in place to ensure that no injuries occur in traffic whenthey are active. However, collisions can still occur due to errorsand uncertainties in traffic making it important to mitigate such col- lisions.
A system of the type defined in the introduction is known through US 8 552 886 disclosing how a distress signal is transmitted from a vehicle subjected to a collision to surrounding vehicles. This dis-tress signal may be trigged by the airbag system of the collidingvehicle. However, the distress signal will just inform other partici-pants in the traffic but not help them further to mitigate any colli- sion by other means.
SUMMARY OF THE INVENTION The object of the present invention is to provide a system of thetype defined in the introduction being improved in at least some aspect with respect to such systems already known.
This object is according to the invention obtained by providingsuch a system with the features listed in the characterizing part of appended patent claim 1.
By providing such a system with at least one receiver configuredto on one hand receive a said distress signal when the host vehicleis in a location making said receiver to be arranged in the trafficsurrounding the host vehicle and on the other hand upon receiptof a said distress signal trig a control unit associated with the re-ceiver to activate a collision mitigating device/system present inthe said surrounding traffic, injuries inflicted upon participants insaid traffic, such as drivers of other vehicles, may be mitigatedwhen a collision is in progress. This means a possibility to signifi-cantly reduce the number of accidents with deathly outcome through such a system.
According to an embodiment of the invention the system comprises said receivers arranged on board other motor vehicles. Thus, a collision mitigating device/system present on board such a motorvehicle may then be activated for protecting the driver of that ve-hicle. This constitutes the subject of another embodiment of theinvention in which said control unit associated with said receiveris configured to activate collision mitigating devices of said othervehicle, such as tightening a seat belt, preparing an air bag fordeployment, filling the vehicle with foam to protect the driver uponimminent impact, locking the steering wheel to avoid jack-knifing,automatically adjusting the position of the steering wheel so thatinjury to the driver is minimised if the driver is propelled forward during the collision, etc.
According to another embodiment of the invention said sensors onboard the host motor vehicle comprises one or more of the brakesystem of the vehicle, airbags, pressure systems in the front, ra-dar, lidar and camera. Such sensors may provide reliable infor-mation about a collision or expected collision of a vehicle and theyare already there in most modern vehicles, especially heavy motor vehicles.
According to another embodiment ofthe invention said control unitassociated with a said receiver is configured to use wireless com-munication, for example Wi-Fi, Telecom, Bluetooth, IR, etc., to ac- tivate collision mitigating devices of said other vehicle.
According to another embodiment of the invention the system isarranged on a group of motor vehicles, such as buses or trucks,configured to operate in a platoon formation and each being a said host vehicle as well as a said other vehicle and comprising a wire- less interface configured to communicate wirelessly with the wire-less interfaces of the other motor vehicles of said group. This con-stitutes a particularly preferred application of a system for mitigat-ing collisions occurring in traffic according to the present inventionalthough each such vehicle of said group of vehicles is here con-sidered to be a host vehicle and a said other vehicle with respectto the features of the present invention included in each vehicle.One vehicle in this group may be considered to be a master vehicleand the other vehicles slave vehicles controlled by the master ve-hicle by an automatic controller for platooning using wireless com-munication between the vehicles for controlling the operation of the vehicles in a platoon formation.
According to another embodiment of the invention the system com-prises a said receiver associated with a control unit arranged inthe infrastructure surrounding said host vehicle and configured toactivate a collision mitigating device belonging to said infrastruc-ture upon receipt of a said distress signal. Such a device belongingto said infrastructure may according to further developments ofthis embodiment be a traffic barrier, which may be moved to miti-gate the consequences of a collision, or a road barrier, especiallya road barrier of cushioning material, which may be lowered to anactive blocking state for “braking” a vehicle colliding therewith.These measures may be very efficient in mitigating collisions and saving lives.
A motor vehicle according to the present invention is defined inthe appended claim directed to such a motor vehicle. Such a motorvehicle may when surrounded by other such vehicles in the traffic efficiently contribute to mitigation of collisions when such appear.
A method for mitigating collisions occurring in traffic is accordingto the invention provided by the combination of features listed inthe appended independent method claim. The advantages of thismethod and embodiments thereof appear clearly from the above discussion of the system according to the present invention.
The invention also relates to a computer program, a computer pro-gram product and an electronic control unit having the features ofthe claims directed to a computer program, a computer program product and an electronic control unit, respectively.
Other advantageous features as well as advantages of the present invention appear from the description following below.BRIEF DESCRIPTION OF THE DRAWINGSWith reference to the appended drawings, below follows a specific description of embodiments of the invention cited as examples. ln the drawings: Fig 1 is a schematic view illustrating a group of trucks oper-ating in a platoon formation to which a system and amethod according to the invention may be applied, Fig 2 is a schematic view of a motor vehicle according to the present invention being a part of a system for mitigating collisions according to the present invention, Fig 3 is a simplified view from above of a group of vehiclesoperating in a platoon formation and to which a systemfor mitigating collisions according to a second embodi-ment of the invention is applied, Fig 4 is a flow chart illustrating the steps carried out in amethod according to an embodiment of the invention,and Fig 5 is a schematic view illustrating an electronic control unit for implementing a method according to the invention.
DETAILED DESCRIPTION OFINVENTION EMBODIMENTS OF THE The invention is particularly but not exclusively directed to thecase of having said sensors and transmitter arranged on board aplurality of motor vehicles driving close to each other in said traffic,in which these motor vehicles may be of any conceivable type,such as passenger cars, but the invention is especially directed tothe case of mitigating collisions that may occur when a group ofheavy wheeled motor vehicles, such as trucks or buses, are oper-ated in a platoon formation, which is the reason for hereinaftermainly disclosing that application of the invention without in any way restrict the invention thereto.
Fig 1 illustrates schematically a number of heavy wheeled motorvehicles 1 in the form of trucks operating in a platoon formation 2,i.e. a vehicle train, by being driven close to each other, for example with a mutual spacing 3 in the order of 5 m - 15 m, resulting in a substantial reduction of fuel consumption for each vehicle follow-ing upon another vehicle. Embodiments of the present inventionwill now be described for this type of driving of vehicles without any intention to restrict the invention thereto.
Fig 2 illustrates schematically one of the vehicles shown in Fig 1,and each of the vehicles operating in the platoon formation hasthe features now disclosed with reference to Fig 2. Thus, the ve-hicle has a wireless interface 4 configured to communicate wire-lessly with the wireless interfaces of the other motor vehicles, forexample through Wi-Fi, Telecom, Bluetooth or IR. The vehicle hasalso an automatic controller 5 for the platooning operation of thegroup of vehicles in question using said wireless interface 4 for controlling the vehicles to maintain the desired mutual spacing.
The vehicle has sensors, here summarised by a box 6, configuredto detect the status of equipment of the vehicle sensitive to/react-ing upon a collision or an expected collision of the vehicle with anobject, such as another vehicle, and these sensors may be part ofthe brake system of the vehicle, airbags, pressure systems infront, radar, lidar and camera. All these types of sensor/equipmentmay react upon a collision and most of them also upon an expectedcollision of the vehicle. The vehicle has also a transmitter 7 usingthe wireless interface 4 to transmit a distress signal to the trafficsurrounding the vehicle upon receipt of information from a sensor6 of detection of a status of collision or expected collision of the vehicle.
A receiver 8 is arranged in the vehicle to receive a said distress signal by using said wireless interface 4 when another vehicle in the platoon formation is transmitting such a signal and upon re-ceipt of a said distress signal trig a control unit 9 associated withthe receiver to activate collision mitigating devices 10 of the vehi-cle. Such devices may be a seat belt then tightened, an airbagthen prepared for deployment, the steering wheel then locked toavoid jack-knifing or automatically adjusting the position thereofso that injury to the driver is minimized if the driver is propelledforward during the collision, etc. Another option is to cause filling of the vehicle with foam to protect the driver upon imminent impact.
Fig 3 illustrates schematically another embodiment of the inven-tion, in which the receiver of the collision mitigating system is notarranged on a vehicle but in the infrastructure. lt is illustrated howa road 11 the vehicle 1 is driving on is a road with a traffic barrier12, and a receiver 8' arranged in connection with the traffic barrieris configured to trig a control unit to activate a collision mitigatingdevice in the form of moving the traffic barrier 12 as indicated bythe arrows A in Fig 3 when said distress signal is transmitted bythe motor vehicle 1 involved in a collision or an expected collisionand received by the receiver 8”. lt is also indicated how anothertype of receiver 8” may be arranged in the infrastructure in con-nection with a road barrier 13, especially a road barrier of a cush-ioning material, which may be controlled to be lowered to an activeblocking state as illustrated by the arrow B when said receiver 8”receives a said distress signal. lt is pointed out that the vehicle 1may very well be another vehicle than the one transmitting the dis-tress signal while colliding, which for instance may be the vehicle1', and the actions then carried out by involvement of the receivers 8' and 8” will be to protect other vehicles such as the vehicle 1 by for instance mitigate an expected collision thereof with the vehicle1”.
Fig 4 illustrates a flow chart of a method according to an embodi-ment of the present invention carried out for mitigating collisionsoccurring in traffic. The method is started with the step S1 of askingthe question: “Collision or expected collision detected?” When theanswer to this question is "Yes" a distress signal is transmitted tothe surrounding traffic in a step S2. This signal is received by mem-bers of the surrounding traffic in a step S3 and upon such a receipta collision mitigating device/system is activated in the traffic sur- rounding the motor vehicle in a step S4.
Computer program code for implementing a method according tothe invention is with advantage included in a computer programwhich can be read into the internal memory of a computer, e.g. theinternal memory of an electronic control unit of a motor vehicle.Such a computer program is with advantage provided via a com-puter program product comprising a data storage medium whichcan be read by a computer and which has the computer programstored on it. Said data storage medium is for example an opticaldata storage medium in the form of a CD ROM disc, a DVD discetc., a magnetic data storage medium in the form of a hard disc, adiskette, a cassette tape etc., or a flash memory or a memory ofthe ROM, PROM, EPROM or EEPROM type. Fig. 5 illustrates veryschematically an electronic control unit 14 comprising an execu-tion means 15, e.g. a central processor unit (CPU), for executionof computer software. The execution means 15 communicates witha memory 16, e.g. of the RAM type, via a data bus 17. The control unit 14 comprises also a non-transitory data storage medium 18, 11 e.g. in the form of a flash memory or a memory of the ROM, PROM,EPROM or EEPROM type. The execution means 15 communicateswith the data storage medium 18 via the data bus 17. A computerprogram comprising computer program code for implementing amethod according to the invention, e.g. in accordance with the em-bodiment illustrated in Fig. 4 is stored on the data storage medium18.
The invention is of course in no way restricted to the embodimentsdescribed above, since many possibilities for modifications thereofare likely to be obvious to one skilled in the art without having todeviate from the scope of invention defined in the appended claims.
Claims (13)
1.
2. Claims A system for mitigating collisions occurring in traffic includingmotor vehicles (1, 1'), said system comprising on board a hostmotor vehicle: ø sensors (6) configured to detect the status of equipment ofthe vehicle sensitive to/reacting upon a collision or an ex-pected collision of the host vehicle with an object, such asanother vehicle, and o a transmitter (7) configured to transmit a distress signal tothe traffic surrounding the host vehicle (1, 1') upon receiptof information from a said sensor (6) of detection of a statusof collision or expected collision of the vehicle, characterized in that the system further comprises at least one receiver (8,8', 8") configured to on one hand receive a said distress signal when the host vehicle is in a location mak- ing said receiver to be arranged in the traffic surrounding thehost vehicle and on the other hand upon receipt of a said dis-tress signal trig a control unit (9) associated with the receiverto activate a collision mitigating device/system (10) present insaid surrounding traffic, that it comprises said receivers (8)arranged on-board other motor vehicles (1, 1'), and that saidcontrol unit (9) associated with a said receiver (8) is config-ured to activate collision mitigating devices (10) of said othervehicle, such as tightening a seat belt, preparing an air bagfor deployment, filling the vehicle with foam to protect thedriver upon imminent impact, locking the steering wheel toavoid jack-knifing, automatically adjusting the position of thesteering wheel so that injury to the driver is minimised if the driver is propelled forward during the collision, etc. 13 System according to claim 1, characterized in that said sen-sors (6) on board the host motor vehicle (1, 1') comprises oneor more of the brake system of the vehicle, air bags, pressure systems in the front, radar, lidar and camera. A system according to claim 1, characterized in that said con-trol unit (9) associated with a said receiver (8) is configuredto use wireless communication, for example Wi-Fi, Telecom,Bluetooth, IR, etc., to activate collision mitigating devices (10) of said other vehicle. A system according to claim 1, characterized in that it is ar-ranged on a group of motor vehicles, such as buses or trucks,configured to operate in a platoon formation and each being asaid host vehicle (1, 1') as well as a said other vehicle andcomprising a wireless interface (4) configured to communicatewirelessly with the wireless interfaces of the other motor ve- hicles of said group. A system according to any of the preceding claims, charac- terized in that it comprises a said receiver (8', 8”) associatedwith a control unit (9) arranged in the infrastructure surround-ing said host vehicle (1, 1') and configured to activate a colli-sion mitigating device (12, 13) belonging to said infrastructure upon receipt of a said distress signal. A system according to claim 5, characterized in that said in-frastructure control unit (9) is configured to control the move- ment of a traffic barrier (12). 14 A system according to any of the preceding claims, charac- terized in that said infrastructure control unit (9) is configured to control the lowering of a road barrier (13), especially a road barrier of a cushioning material, to an active blocking state. A motor vehicle comprising: sensors (6) configured to detect the status of vehicle equip-ment sensitive to/reacting upon a collision or expected col-lision of the vehicle with an object, such as another vehicle,a transmitter (7) configured to transmit a distress signal tothe traffic surrounding the host vehicle upon receipt of in-formation from a said sensor (6) of detection of a status ofcollision or expected collision of the vehicle, a receiver (8) configured to, upon receipt of a said distresssignal from another correspondingly equipped motor vehiclein the surrounding traffic informing about a collision or ex-pected collision of that vehicle, trig a control unit (9) asso-ciated with the receiver (8) to activate collision mitigating devices (10) in the vehicle. A method for mitigating collisions occurring in traffic compris- ing the steps of detecting the status of equipment on-board a motor vehiclesensitive to/reacting upon a collision or expected collisionof the vehicle with an object, such as another vehicle,transmitting a distress signal to surrounding traffic upon de-tection of a said collision or expected collision, receiving said distress signal when transmitted and 10. 11. 12. 1
3. o activating a collision mitigating device/system (10) present in the traffic surrounding said motor vehicle. A method according to claim 9, characterized in that saidsteps are carried out for a group of motor vehicles (1,1') op-erating in a platoon formation, and that the activation of a col-lision mitigating device/system (10) takes place in one or moremotor vehicles of said group receiving a said distress signal from another motor vehicle of said group. A computer program comprising a computer program code forcausing a computer to implement a method according to claim9 or 10 when the computer program is executed in the com- puter. A computer program product comprising a non-transitory datastorage medium which can be read by a computer and onwhich the program code of a computer program according to claim 11 is stored. An electronic control unit comprising an execution means(15), a memory (16) connected to the execution means (15)and a non-transitory data storage medium (18) which is con-nected to the execution means and on which the computerprogram code of a computer program according to claim 11 is stored.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1650880A SE539978C2 (en) | 2016-06-21 | 2016-06-21 | A system for mitigating collisions occurring in traffic |
| PCT/SE2017/050657 WO2017222452A1 (en) | 2016-06-21 | 2017-06-19 | A system for mitigating collisions occurring in traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1650880A SE539978C2 (en) | 2016-06-21 | 2016-06-21 | A system for mitigating collisions occurring in traffic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE1650880A1 SE1650880A1 (en) | 2017-12-22 |
| SE539978C2 true SE539978C2 (en) | 2018-02-20 |
Family
ID=60783275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1650880A SE539978C2 (en) | 2016-06-21 | 2016-06-21 | A system for mitigating collisions occurring in traffic |
Country Status (2)
| Country | Link |
|---|---|
| SE (1) | SE539978C2 (en) |
| WO (1) | WO2017222452A1 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6615137B2 (en) * | 2001-06-26 | 2003-09-02 | Medius, Inc. | Method and apparatus for transferring information between vehicles |
| US7209050B2 (en) * | 2005-05-02 | 2007-04-24 | Corcoran Iii James John | Automatic vehicle collision avoidance and warning system |
| US7523000B2 (en) * | 2005-10-11 | 2009-04-21 | Nissan Technical Center North America, Inc. | Vehicle pre-collision countermeasure system |
| US8552886B2 (en) * | 2010-11-24 | 2013-10-08 | Bcs Business Consulting Services Pte Ltd. | Crash warning system for motor vehicles |
-
2016
- 2016-06-21 SE SE1650880A patent/SE539978C2/en not_active IP Right Cessation
-
2017
- 2017-06-19 WO PCT/SE2017/050657 patent/WO2017222452A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| SE1650880A1 (en) | 2017-12-22 |
| WO2017222452A1 (en) | 2017-12-28 |
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| NUG | Patent has lapsed |