CN104143269A - Vehicle quick braking warning apparatus and method - Google Patents
Vehicle quick braking warning apparatus and method Download PDFInfo
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- CN104143269A CN104143269A CN201410111753.XA CN201410111753A CN104143269A CN 104143269 A CN104143269 A CN 104143269A CN 201410111753 A CN201410111753 A CN 201410111753A CN 104143269 A CN104143269 A CN 104143269A
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- vehicle
- halt
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
- B60W10/192—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes electric brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R2021/01311—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over monitoring the braking system, e.g. ABS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/18—Braking system
Abstract
The invention discloses a vehicle quick braking warning apparatus and method. The vehicle quick braking warning apparatus is characterized in that the vehicle quick braking warning apparatus comprises: a neighboring vehicle information receiving portion receiving vehicle safety information including global positioning system receiving information from neighboring vehicles; a current vehicle information collecting portion collecting current vehicle information including global positioning system receiving information from the current vehicle; a control portion judging whether the current vehicle satisfies the condition to give out quick braking warning with respect to the neighboring vehicles according to the vehicle safety information and the current vehicle information when the vehicle safety information received by the neighboring vehicle information receiving portion includes a quick braking event signal; and an output portion outputting the quick braking warning according to the judging result by the control portion.
Description
Technical field
The present invention relates to a kind of vehicle bring to a halt alarm device and method thereof, relate in particular to a kind of cognitive to this generation when the vehicle travelling is forwardly brought to a halt, judge whether to give the alarm, alarm device and method thereof thereby the vehicle giving the alarm according to judged result is brought to a halt.
Background technology
Now by wireless access (the Wireless Access in Vehicular Environments based under vehicle environment, hereinafter to be referred as " WAVE ") vehicle and inter-vehicular communication (Vehicle to Vehicle, V2V), (the Vehicle to Infrastructure that communicates by letter between vehicle and infrastructure, V2I), in exploitation the knock into the back alarm, emergency vehicle priority signal of alarm, the place ahead of bringing to a halt, control the multiple technology about traffic safety service such as service.
WAVE frequency is a kind of core technology that realizes the intelligent high-speed highway of communicating by letter between vehicle and inter-vehicular communication, vehicle and infrastructure, it is different from WLAN (wireless local area network), also can interactive information while moving with the speed up to 180 ㎞/h, with short distance private communication (the Dedicated Short Range Communication for Korea S's high pass etc., DSRC) technology is compared, its transmittability improves 10 times, is spoken highly of as technology of new generation.
By this traffic safety service correlation technique based on WAVE, when and where, can both obtain in real time Traffic Information, and assisting vehicle, make also can travel safely under inclement weather and emergency freely.
According to above content, believe that one develops the generation that can take precautions against in advance traffic hazard surely, the best traffic system of the flow that effectively relieves traffic congestion.
Background technology of the present invention is disclosed in Korea S's publication communique No. 10-1997-0037713, and (on July 24th, 1997 is open, denomination of invention: the emergency alarm lamp device of bringing to a halt).
Summary of the invention
Technical matters
Generally when Vehicle Driving Cycle, if former thereby cause the unsharp situation inferoanterior of field of front vision vehicle to be made bringing to a halt, so because the vehicles failed at its rear is taked counter-measure in time, usually can cause rear-end collision in weather condition deterioration etc.Therefore need to solve the problem of relevant this respect.
In order to solve problem as above, the object of the present invention is to provide a kind of receiving from other vehicles while bringing to a halt event, by bring to a halt GPS (GPS) data of vehicle of event of transmission, judge that whether it is the vehicle of same lanes forwardly, judge whether to start the alarm of bringing to a halt, and the vehicle giving the alarm according to judged result bring to a halt alarm device and method thereof.
Another object of the present invention is to provide a kind of vehicle receiving the event signal of bringing to a halt to give the alarm in many ways, alarm device and method thereof thereby the vehicle of advance preventing rear-end collision is brought to a halt.
Technical scheme
The vehicle of the present invention alarm device of bringing to a halt comprises: other information of vehicles acceptance divisions, and it receives and contains the train safety information that GPS receives information from other vehicles; This information of vehicles collection unit, it contains from this vehicle collection this information of vehicles that GPS receives information; Control part, when the train safety information receiving by described other information of vehicles acceptance divisions comprises while bringing to a halt event signal, according to described train safety information and described information of vehicles, judge whether described vehicle meets with respect to described other vehicles the condition of sending the alarm of bringing to a halt; And efferent, its judged result according to described control part is exported the alarm of bringing to a halt.
In the present invention, the condition that described vehicle sends the alarm of bringing to a halt is that the speed of described vehicle is greater than setting speed, and the distance between described other vehicles and described vehicle is less than setpoint distance, and described other vehicles and described vehicle are in same lanes.
In the present invention, the latitude comprising in the GPS reception information of latitude, longitude and described the information of vehicles comprising in the GPS reception information of described control part by described train safety information, longitude calculate the distance between described other vehicles and described vehicle, and judge that whether described other vehicles and described vehicle are in same lanes.
In the present invention, described control part determines whether by described information of vehicles the state of bringing to a halt, and according to the described State-output of bringing to a halt, comprise the described train safety information of the event signal of bringing to a halt, and comprise this information of vehicles sending part of the described train safety information that sends described control part output.
In the present invention, the state of bringing to a halt described in being whether, whether the longitudinal deceleration degree value calculating according to the speed of a motor vehicle and time by judgement is greater than is set retarded velocity and is determined.
In the present invention, described other information of vehicles acceptance divisions and described information of vehicles sending part send or reception information by the wireless access under vehicle environment (Wireless Access in Vehicular Environments, WAVE) communication protocol.
In the present invention, described efferent optionally starts at least one in alarm tone, warning light and electric brake according to separation between vehicles when bringing to a halt alarm described in sending.
In the present invention, described control part judges that whether described vehicle meet all clear condition of bringing to a halt, with the output of the alarm of bringing to a halt described in removing.
The vehicle of the present invention alarming method of bringing to a halt, it is characterized in that, comprising: control part receives from other vehicles the train safety information judgement that contains GPS reception information by other information of vehicles acceptance divisions and wherein whether comprises the step of the event signal of bringing to a halt; When bringing to a halt event signal described in comprising, according to described train safety information and by this information of vehicles that GPS receives information that contains of this information of vehicles collection unit collection, judge whether this vehicle meets the step of the condition of sending the alarm of bringing to a halt with respect to described other vehicles; And when meeting the condition of the alarm of bringing to a halt described in sending, to the bring to a halt step of alarm of described vehicle output.
In the present invention, the described step that judges that whether this vehicle meets with respect to described other vehicles the condition of sending the alarm of bringing to a halt comprises whether the speed that judges described vehicle is greater than distance between setting speed, described other vehicles and described vehicle and whether is less than setpoint distance, described other vehicles and described vehicle whether in the step of same lanes.
In the present invention, the latitude, the longitude that in the GPS reception information of latitude, longitude and described the information of vehicles comprising in the GPS reception information by described train safety information, comprise, calculate the distance between described other vehicles and described vehicle, and judge that whether described other vehicles and described vehicle are in same lanes.The present invention also comprises all clear condition of bringing to a halt that judges described vehicle, with the step of the output of the alarm of bringing to a halt described in removing.
In the present invention, the event signal of bringing to a halt described in is greater than while setting retarded velocity and is contained in described train safety information in the longitudinal deceleration degree value calculating according to the speed of a motor vehicle and time.
Technique effect
Vehicle of the present invention bring to a halt alarm device and method thereof, when receiving the event of bringing to a halt (emergency stop events) signal from other vehicles, by sending the gps data of the vehicle of the event signal of bringing to a halt, judge that whether it is the vehicle of same lanes forwardly, judge whether to start the alarm of bringing to a halt, and start alarm according to judged result, thereby only in the situation that really may knocking into the back, start alarm, therefore can improve the reliability of device.
And according to the present invention, the vehicle that receives the event signal of bringing to a halt sends the alarm for pointing out front vehicles to bring to a halt in many ways, and whether monitoring brake starts after giving the alarm, thereby can improve the preventive effect to rear-end collision.
Accompanying drawing explanation
Fig. 1 is the bring to a halt formation block diagram of alarm device of the vehicle of one embodiment of the invention;
Fig. 2 is for to bring to a halt in alarm device at the vehicle of one embodiment of the invention, for judging that other vehicles and this vehicle are whether at the reference diagram of the mathematical expression of same lanes;
Fig. 3 is the bring to a halt schematic diagram of the situation that alarm device may start of the vehicle of one embodiment of the invention;
Fig. 4 to Fig. 7 is the bring to a halt schematic diagram of the situation that alarm device do not start of the vehicle of one embodiment of the invention;
Fig. 8 is the bring to a halt process flow diagram of workflow of alarming method of the vehicle of one embodiment of the invention.
Description of reference numerals
10: other information of vehicles acceptance divisions 20: this information of vehicles collection unit
30: input part 40: control part
50: efferent 60: this information of vehicles sending part
100: this vehicle 200: front vehicles
300: other vehicles
Embodiment
Referring to the vehicle of accompanying drawing explanation one embodiment of the invention bring to a halt alarm device and method thereof.In this process, for the ease of clearly stating, in accompanying drawing, the size of illustrated live width or inscape may slightly be exaggerated.
And term described later is the term defining in conjunction with function in the present invention, this may be according to user, fortune user's object or convention and difference to some extent.Therefore, about the definition of this term, whole content that should be based on this instructions.
Fig. 1 is the bring to a halt formation block diagram of alarm device of the vehicle of one embodiment of the invention.
As shown in Figure 1, the present invention includes other information of vehicles acceptance divisions 10, this information of vehicles collection unit 20, input part 30, control part 40, efferent 50 and this information of vehicles sending part 60.
In addition, this vehicle 100 of mentioning in this specification and claims book is illustrated in front vehicles 200 while bringing to a halt, output is for informing the object output vehicle of dangerous alarm, and other vehicles 300 are illustrated in the vehicle that sends the event signal of bringing to a halt while bringing to a halt to nearby vehicle.
Now, this vehicle in the present invention 100 passes through based on WAVE (Wireless Access in Vehicular Environments with other vehicles 300, WAVE) vehicle and the inter-vehicular communication (Vehicle to Vehicle, V2V) of communication communicate in real time.
Other information of vehicles acceptance divisions 10 receive and contain the train safety information that GPS receives information from other vehicles 300.
Therefore the train safety information that, this vehicle 100 sends by other vehicles 300 of WAVE communications reception.
Other vehicles 300 be take setting cycle and (are set as in the present invention 100ms) as interval, to nearby vehicle, send and contain vehicle location and the train safety information of the event signal of bringing to a halt, wherein said vehicle location comprises the direct of travel of latitude, longitude and the vehicle of the vehicle of giving the intrinsic vehicles identifications (ID) of each vehicle and receiving by GPS (not shown).
This information of vehicles collection unit 20 is collected and is contained this information of vehicles that GPS receives information from this vehicle 100.
Specifically, this information of vehicles comprises vehicle location and vehicle-state, wherein said vehicle location comprises the direct of travel of latitude, longitude and the vehicle of the vehicle of giving the intrinsic vehicles identifications (ID) of each vehicle and receiving by GPS, and described vehicle-state comprises by the speed of a motor vehicle and brake (not shown) brake value of vehicle control device LAN (CAN) communication input.
Input part 30 has the input function of input setting value.
Specifically, input part 30 can send the setting cycle interval of train safety informations to 10 inputs of other information of vehicles acceptance divisions, for generating the setpoint distance, the setting speed of a motor vehicle etc. of the setting retarded velocity, this vehicle 100 of the event signal of bringing to a halt and 300, other vehicles, set.
The train safety information that control part 40 judgements receive from other information of vehicles acceptance divisions 10, whether comprise the event signal of bringing to a halt.
In the present invention, when the longitudinal deceleration degree value calculating according to the speed of a motor vehicle inputted by vehicle CAN communication and time is greater than while setting retarded velocity (being set as in the present invention 0.4g), generate the event signal and and being included in train safety information of bringing to a halt.
Control part 40 is analyzed by other information of vehicles acceptance divisions 10 and be take the train safety information that setting cycle receives from other vehicles 300 as interval, when train safety information comprises while bringing to a halt event signal, according to train safety information and this information of vehicles, judge whether this vehicle 100 meets with respect to other vehicles 300 condition of sending the alarm of bringing to a halt.
The condition of sending in the present invention the alarm of bringing to a halt is as follows:
First, when receiving the train safety information that comprises the event signal of bringing to a halt, by this information of vehicles, judge the speed of this vehicle 100, judge whether the speed of this vehicle 100 is greater than setting speed.
When the speed of this vehicle 100 is greater than setting speed, the latitude, the longitude that in the GPS reception information of latitude, longitude and this information of vehicles comprising in the GPS reception information by train safety information, comprise, calculate other vehicles and 300 and this vehicle 100 between distance, judge whether the distance between other vehicles 300 and this vehicle 100 is less than setpoint distance.
Specifically, utilize the method for calculating earth surface distance between two points, haversine formula (Haversine Formula) calculates as follows:
a＝sin
2(Δφ/2)+cos(φ1)*cos(φ2)*sin
2(Δλ/2)
c＝2*atan2(√a，√(1-a))
d＝R*c
Wherein, φ represents latitude, and λ represents longitude, and R is earth radius (6371km).
Now, setpoint distance is set as to the rear bumper of other vehicles 300 to the fore-and-aft distance between the front bumper of this vehicle of rear 100, and in 300m.
When the distance between other vehicles 300 that as above calculate and this vehicle 100 is less than setpoint distance, the latitude, the longitude that in the GPS reception information of latitude, longitude and this information of vehicles comprising in the GPS reception information by train safety information, comprise, judge the place direction of other vehicles 300, judge that other vehicles 300 take the degree that the linear direction of travel of this vehicle 100 is separated by as benchmark, thereby judge whether other vehicles 300 and this vehicle 100 exercise in same track.
Fig. 2 is for to bring to a halt in alarm device at the vehicle of one embodiment of the invention, for judging that other vehicles and this vehicle are whether at the reference diagram of the mathematical expression of same lanes.
That is, as shown in Figure 2, when setting makes relative distance=A, sin (relative direction)=C/A, sin (relative direction) * relative distance=C.
As calculated, if other vehicles 300 be take the place ahead of this vehicle 100, be benchmark, with respect to its at 20 degree with in interior, 2.8m, being judged as other vehicles 300 is the front vehicles 200 in the same lanes in the place ahead of vehicle 100.
In the present invention, when three described conditions all meet, be judged as and meet the alert consitions of bringing to a halt, and export to this vehicle 100 alarm of bringing to a halt.
Its reason is, when the underspeed setting speed of this vehicle 100, be that this vehicle 100 is when low speed driving, even if other vehicles 300 are brought to a halt, also be enough to take braking, therefore do not export the alarm of bringing to a halt, when rear bumper to the fore-and-aft distance between the front bumper of this vehicle of rear 100 of other vehicles 300 is greater than 300m, because spacing is large, be enough to take braking, therefore do not export the alarm of bringing to a halt, when other vehicles 300 with respect to this vehicle 100 not in 20 degree, in the time of in 2.8m, be judged as other vehicles 300 in different lanes, therefore do not export the alarm of bringing to a halt.
With reference to Fig. 3 to Fig. 7, contribute to understand in which kind of situation of the present invention, to start the alarm of bringing to a halt.
Fig. 3 is the bring to a halt schematic diagram of the situation that alarm device may start of the vehicle of one embodiment of the invention.
As shown in Figure 3, when being positioned at other vehicles 300 in same track, the place ahead and bringing to a halt, be positioned in setpoint distance in the wings, and start to be greater than this vehicle 100 that the speed of setting speed travels the alarm of bringing to a halt.
Fig. 4 to Fig. 7 is the bring to a halt schematic diagram of the situation that alarm device do not start of the vehicle of one embodiment of the invention.
As shown in Figure 4, when being positioned at other vehicles 300 in same track, the place ahead and taking generally to brake, this vehicle travelling in the wings 100 is judged as can be enough to reply, does not therefore start the alarm of bringing to a halt.
And, as shown in Figure 5, when in different tracks, rather than when other vehicles 300 of same lanes are brought to a halt, even if spacing, in setpoint distance, can get rid of from the hazards of this vehicle 100, so this vehicle 100 does not start the alarm of bringing to a halt yet.
And, as shown in Figure 6, when other different vehicles 300 of the direct of travel in different lanes are brought to a halt, be similar to shown in Fig. 5, even if spacing, in setpoint distance, can get rid of from the hazards of this vehicle 100, so this vehicle 100 does not start the alarm of bringing to a halt yet.
And as shown in Figure 7, when when being greater than other vehicles 300 that the standoff distance of setpoint distance travels forwardly and bringing to a halt, this vehicle 100 is judged as can be enough to reply, does not therefore start the alarm of bringing to a halt.
Efferent 50 exports according to the judged result of control part 40 alarm of bringing to a halt.
Now, this vehicle 100 can be exported the alarm of bringing to a halt as follows.
Substantially, can, by alarm tone or warning light output alarm, remind the driver of this vehicle 100 to start brake.
Now, the alarm way of output of bringing to a halt can be as given a definition, when the distance between this vehicle 100 and front vehicles 200 is between 0～150m, be categorized as primary alarm, be categorized as 2 grades of alarms when between 150～300m, thereby distinguish alarm mode according to the standoff distance with front vehicles 200.
Wherein, the warning light that glimmers on vehicle screen interface during primary alarm is exported alarm tone simultaneously.
And the warning light that do not glimmer on vehicle screen interface during second-level alarm is only exported voice alarm under lighting lamp state.
Or, when this vehicle 100 has electric brake, move electric brake, to improve driver's convenience and security.
Therefore in the present invention, the vehicle that receives the event of bringing to a halt gives the alarm to bringing to a halt of front vehicles in many ways, and whether monitoring brake starts after giving the alarm, thereby can improve the preventive effect to rear-end collision.
Now, control part 40 is in output the judge all clear condition of bringing to a halt of this vehicle 100 of the state of alarm of bringing to a halt, to remove the output of the alarm of bringing to a halt.
Be in the present invention, to export under the state of the alarm of bringing to a halt, when this vehicle 100 starts brake, or the longitudinal deceleration degree of front vehicles 200 drops to be set below retarded velocity, thereby do not comprise the event signal of bringing to a halt, or this vehicle 100 change lanes are to avoid front vehicles 200, thereby not when same lanes, remove the alarm of bringing to a halt.
And control part 40 judges by this information of vehicles of this vehicle 100 state of bringing to a halt, and according to the State-output of bringing to a halt, comprise the train safety information of the event signal of bringing to a halt.
This information of vehicles sending part 60 sends the train safety information of control part 40 outputs.
Therefore, when this vehicle 100 is brought to a halt, in this information of vehicles, also comprise the event signal of bringing to a halt, as train safety information, send to nearby vehicle.
That is to say as mentioned above, in the present invention for convenience of explanation, the vehicle that sends to nearby vehicle the event signal of bringing to a halt when startup is brought to a halt is called other vehicles 300 or front vehicles 200, the bring to a halt vehicle of alarm of output is called to this vehicle 100, but this is equally applicable to this vehicle 100 and other vehicles 300, the vehicle of take reception information and starting alarm is distinguished this vehicle 100 and other vehicles 300 as benchmark.
And, sending in the train safety information of nearby vehicle and contain the information based on setting form, the setting cycle of take sends as interval.
As mentioned above, according to the present invention, when receiving from other vehicles while bringing to a halt event, by the bring to a halt gps data of vehicle of event of transmission, judge that whether it is the vehicle of same lanes forwardly, to judge whether the starting alarm of bringing to a halt, and gives the alarm according to judged result, thereby only in the situation that really may knocking into the back, start alarm, therefore can improve the reliability of device.
And the vehicle that receives the event of bringing to a halt gives the alarm to bringing to a halt of front vehicles in many ways, and whether monitoring brake starts after giving the alarm, thereby can further improve the preventive effect to rear-end collision.
Fig. 8 is the bring to a halt process flow diagram of workflow of alarming method of the vehicle of one embodiment of the invention, referring to Fig. 8, specific works of the present invention is described.
First, in step S1, the control part 40 of this vehicle 100, by other information of vehicles acceptance divisions 10, receives and contains the train safety information that GPS receives information from other vehicles 300.
Now, this vehicle 100 passes through based on WAVE (Wireless Access in Vehicular Environments with other vehicles 300 in the present invention, WAVE) vehicle and the inter-vehicular communication (Vehicle to Vehicle, V2V) of communication communicate in real time.
And, other vehicles 300 be take setting cycle and (are set as in the present invention 100ms) as interval, to nearby vehicle, send and contain vehicle location and the train safety information of the event signal of bringing to a halt, wherein said vehicle location comprises the direct of travel of latitude, longitude and the vehicle of the vehicle of giving the intrinsic vehicles identifications (ID) of each vehicle and receiving by GPS (not shown).
And control part 40 is collected and is contained this information of vehicles that GPS receives information by this information of vehicles collection unit 20.
Specifically, this information of vehicles comprises vehicle location and vehicle-state, wherein said vehicle location comprises the direct of travel of latitude, longitude and the vehicle of the vehicle of giving the intrinsic vehicles identifications (ID) of each vehicle and receiving by GPS, and described vehicle-state comprises by the speed of a motor vehicle and brake (not shown) brake value of vehicle control device LAN (CAN) communication input.
When the control part 40 of this vehicle 100 receives train safety informations from other vehicles 300, whether comprise the event signal of bringing to a halt judge train safety information in step S2 in.
Now, the longitudinal deceleration degree value calculating according to the speed of a motor vehicle of inputting by vehicle CAN communication and time generates the event signal of bringing to a halt.
Specifically, when longitudinal deceleration degree value is greater than while setting retarded velocity (being set as in the present invention 0.4g), generate the event signal and and being included in train safety information of bringing to a halt.
When train safety information comprises that while bringing to a halt event signal, the latitude, the longitude that comprise in the GPS reception information by train safety information in step S3, judge whether other vehicles 300 are front vehicles 200.
Specifically, control part 40 is analyzed by other information of vehicles acceptance divisions 10 and be take the train safety information that setting cycle receives from other vehicles 300 as interval, when train safety information comprises while bringing to a halt event signal, according to train safety information and this information of vehicles, judge whether other vehicles 300 are the front vehicles 200 that is positioned at this vehicle 100 the place aheads, and judge whether this vehicle 100 meets with respect to front vehicles 200 condition of sending the alarm of bringing to a halt.
The condition of sending in the present invention the alarm of bringing to a halt is as follows:
First, whether the speed that judges this vehicle 100 in step S4 is greater than setting speed, in step S5, judge whether the distance between this vehicle 100 and front vehicles 200 is less than setpoint distance, and in step S6, judge that whether this vehicle 100 and front vehicles 200 are in same lanes.
More specifically, when the speed of this vehicle 100 is greater than setting speed, the rear bumper of other vehicles 300 to the fore-and-aft distance of the front bumper of this vehicle of rear 100 in 300m, it is benchmark that other vehicles 300 be take the place ahead of this vehicle 100, with respect to its at 20 degree with in interior, 2.8m time, judge that other vehicles 300 are the front vehicles 200 in the same lanes in the place ahead of this vehicle 100.
The judgement of sending condition about the alarm of bringing to a halt is elaborated in foregoing, therefore following repeating no more.
When the condition of upper step S4, S5, S6 all meets, be judged as and meet the alert consitions of bringing to a halt, in step S7, to this vehicle 100, export the alarm of bringing to a halt.
Its reason is, when the speed of this vehicle 100 is during lower than setting speed, be that this vehicle 100 is when low speed driving, even if other vehicles 300 are brought to a halt, also be enough to take braking, therefore do not export the alarm of bringing to a halt, when rear bumper to the fore-and-aft distance between the front bumper of this vehicle of rear 100 of other vehicles 300 is greater than 300m, because spacing is large, be enough to take braking, therefore do not export the alarm of bringing to a halt, when other vehicles 300 with respect to this vehicle 100 not in 20 degree, in the time of in 2.8m, be judged as other vehicles 300 in different lanes, therefore do not export the alarm of bringing to a halt.
Now, this vehicle 100 can be exported the alarm of bringing to a halt as follows.
Substantially, by alarm tone or warning light output alarm, to remind the driver of this vehicle 100 to start brake.
Now, the alarm way of output of bringing to a halt can be as given a definition, when the distance between this vehicle 100 and front vehicles 200 is between 0～150m, be categorized as primary alarm, be categorized as second-level alarm when between 150～300m, thereby distinguish alarm mode according to the standoff distance with front vehicles 200.
Wherein, the warning light that glimmers on vehicle screen interface during primary alarm is exported alarm tone simultaneously.
And the warning light that do not glimmer on vehicle screen interface during second-level alarm is only exported voice alarm under lighting lamp state.
Or, when this vehicle 100 has electric brake, move electric brake, to improve driver's convenience and security.
Therefore in the present invention, the vehicle that receives the event of bringing to a halt gives the alarm to bringing to a halt of front vehicles in many ways, and whether monitoring brake starts after giving the alarm, thereby can improve the preventive effect for rear-end collision.
Whether the brake that then, judges this vehicle 100 in step S8 starts.
Export in the present invention under the state of the alarm of bringing to a halt, when this vehicle 100 starts brake, or the longitudinal deceleration degree of front vehicles 200 drops to be set below retarded velocity, thereby do not comprise the event signal of bringing to a halt, or this vehicle 100 change lanes are to avoid front vehicles 200, thereby not when same lanes, remove the alarm of bringing to a halt.
As mentioned above, according to the present invention, when receiving from other vehicles while bringing to a halt event, by the bring to a halt gps data of vehicle of event of transmission, judge that whether it is the vehicle of same lanes forwardly, to judge whether the starting alarm of bringing to a halt, and gives the alarm according to judged result, thereby only in the situation that really may knocking into the back, start alarm, therefore can improve the reliability of device.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (13)
1. the vehicle alarm device of bringing to a halt, is characterized in that, comprising:
Other information of vehicles acceptance divisions, it receives and contains the train safety information that GPS receives information from other vehicles;
This information of vehicles collection unit, it contains from this vehicle collection this information of vehicles that GPS receives information;
Control part, when the train safety information receiving by described other information of vehicles acceptance divisions comprises while bringing to a halt event signal, according to described train safety information and described information of vehicles, judge whether described vehicle meets with respect to described other vehicles the condition of sending the alarm of bringing to a halt; And
Efferent, its judged result according to described control part is exported the alarm of bringing to a halt.
2. the vehicle according to claim 1 alarm device of bringing to a halt, is characterized in that:
The condition that described vehicle sends the alarm of bringing to a halt is that the speed of described vehicle is greater than setting speed, and the distance between described other vehicles and described vehicle is less than setpoint distance, and described other vehicles and described vehicle are in same lanes.
3. the vehicle according to claim 2 alarm device of bringing to a halt, is characterized in that:
The latitude comprising in the GPS reception information of latitude, longitude and described the information of vehicles comprising in the GPS reception information of described control part by described train safety information, longitude calculate the distance between described other vehicles and described vehicle, and judge that whether described other vehicles and described vehicle are in same lanes.
4. the vehicle according to claim 1 alarm device of bringing to a halt, is characterized in that:
Described control part determines whether by described information of vehicles the state of bringing to a halt, and according to the described State-output of bringing to a halt, comprise the described train safety information of the event signal of bringing to a halt, and comprise this information of vehicles sending part of the described train safety information that sends described control part output.
5. the vehicle according to claim 4 alarm device of bringing to a halt, is characterized in that:
Whether the longitudinal deceleration degree value that the state of bringing to a halt described in being whether calculates according to the speed of a motor vehicle and time by judgement is greater than is set retarded velocity and is determined.
6. the vehicle according to claim 4 alarm device of bringing to a halt, is characterized in that:
Described other information of vehicles acceptance divisions and described information of vehicles sending part send or reception information by the wireless access communication agreement under vehicle environment.
7. the vehicle according to claim 1 alarm device of bringing to a halt, is characterized in that:
Described efferent optionally starts at least one in alarm tone, warning light and electric brake according to separation between vehicles when bringing to a halt alarm described in sending.
8. the vehicle according to claim 1 alarm device of bringing to a halt, is characterized in that:
Described control part judges that whether described vehicle meet all clear condition of bringing to a halt, with the output of the alarm of bringing to a halt described in removing.
9. the vehicle alarming method of bringing to a halt, is characterized in that, comprising:
Control part is received and contains the train safety information that GPS receives information from other vehicles by other information of vehicles acceptance divisions, and whether judgement wherein comprises the step of the event signal of bringing to a halt;
When bringing to a halt event signal described in comprising, according to described train safety information and by this information of vehicles that GPS receives information that contains of this information of vehicles collection unit collection, judge whether this vehicle meets the step of the condition of sending the alarm of bringing to a halt with respect to described other vehicles; And
When meeting the condition of the alarm of bringing to a halt described in sending, to the bring to a halt step of alarm of described vehicle output.
10. the vehicle according to claim 9 alarming method of bringing to a halt, is characterized in that:
The described step that judges that whether this vehicle meets with respect to described other vehicles the condition of sending the alarm of bringing to a halt comprises whether the speed that judges described vehicle is greater than distance between setting speed, described other vehicles and described vehicle and whether is less than setpoint distance, described other vehicles and described vehicle whether in the step of same lanes.
The 11. vehicles according to claim 10 alarming method of bringing to a halt, is characterized in that:
The latitude, the longitude that in the GPS reception information of latitude, longitude and described the information of vehicles comprising in the GPS reception information by described train safety information, comprise, calculate the distance between described other vehicles and described vehicle, and judge that whether described other vehicles and described vehicle are in same lanes.
The 12. vehicles according to claim 9 alarming method of bringing to a halt, is characterized in that, also comprises:
Judge all clear condition of bringing to a halt of described vehicle, with the step of the output of the alarm of bringing to a halt described in removing.
The 13. vehicles according to claim 9 alarming method of bringing to a halt, is characterized in that:
The described event signal of bringing to a halt is greater than while setting retarded velocity and is contained in described train safety information in the longitudinal deceleration degree value calculating according to the speed of a motor vehicle and time.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0052776 | 2013-05-09 | ||
| KR1020130052776A KR20140133686A (en) | 2013-05-09 | 2013-05-09 | Apparatus for emergency electronic brake lights of vehicle and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104143269A true CN104143269A (en) | 2014-11-12 |
| CN104143269B CN104143269B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410111753.XA Active CN104143269B (en) | 2013-05-09 | 2014-03-24 | Vehicle is brought to a halt warning devicess and its method |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20140133686A (en) |
| CN (1) | CN104143269B (en) |
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| CN106960602A (en) * | 2017-03-28 | 2017-07-18 | 北京小米移动软件有限公司 | Carry out driving method, mobile unit and the device of early warning in vehicle travel process |
| CN108364482A (en) * | 2018-01-11 | 2018-08-03 | 北京千方科技股份有限公司 | A kind of method and device for warning of stopping in emergency for vehicle |
| CN109891471A (en) * | 2016-11-01 | 2019-06-14 | 三菱电机株式会社 | Information cuing method |
| CN110517518A (en) * | 2018-05-21 | 2019-11-29 | 奥迪股份公司 | Infrared night vision system and its detection method for vehicle |
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| CN112923936B (en) * | 2015-02-10 | 2023-04-18 | 御眼视觉技术有限公司 | Navigation system, method, and computer readable medium for vehicle |
| KR102131793B1 (en) | 2018-09-12 | 2020-07-08 | 김영호 | Method and apparatus for warning an brakeage of vehicle |
| KR20200094449A (en) | 2019-01-30 | 2020-08-07 | 메이크솔루션 주식회사 | Method and system for guiding exercise for pregnant woman |
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Also Published As
| Publication number | Publication date |
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| KR20140133686A (en) | 2014-11-20 |
| CN104143269B (en) | 2017-03-01 |
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