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CN109515435A - Method and device of vehicle collision reminder - Google Patents

Method and device of vehicle collision reminder Download PDF

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Publication number
CN109515435A
CN109515435A CN201811472977.8A CN201811472977A CN109515435A CN 109515435 A CN109515435 A CN 109515435A CN 201811472977 A CN201811472977 A CN 201811472977A CN 109515435 A CN109515435 A CN 109515435A
Authority
CN
China
Prior art keywords
vehicle
distance
preset
target object
spacing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811472977.8A
Other languages
Chinese (zh)
Inventor
胡安正
胡雪菲
宋瑞
蔡昕晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei University of Arts and Science
Original Assignee
Hubei University of Arts and Science
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei University of Arts and Science filed Critical Hubei University of Arts and Science
Priority to CN201811472977.8A priority Critical patent/CN109515435A/en
Publication of CN109515435A publication Critical patent/CN109515435A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/09Taking automatic action to avoid collision, e.g. braking and steering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • B60Q9/008Arrangement 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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
    • B60W30/08Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/095Predicting travel path or likelihood of collision
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W50/00Details 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
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W50/00Details 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
    • B60W50/08Interaction between the driver and the control system
    • B60W50/14Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143Alarm means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Human Computer Interaction (AREA)
  • Traffic Control Systems (AREA)

Abstract

本发明提供一种车辆防撞提醒的方法及装置。所述车辆防撞提醒的方法包括:获取车辆与目标物体之间的当前距离值、间距变化趋势、间距变化速度;确定与所述当前距离值匹配的预设距离范围;判断在所述预设距离范围内,所述间距变化趋势和所述间距变化速度是否满足预设要求;若所述间距变化趋势和所述间距变化速度不满足预设要求,控制所述车辆进行报警提示,以使用户根据所述报警提示进行减速。所述方法可以有效的避免车辆发生撞车事故,提高了车辆驾驶的安全性。

The present invention provides a method and device of a vehicle anti -collision reminder. The method of anti -collision reminder of vehicles includes: the current distance value, spacing change trend, and speed change speed between the vehicle and the target object; determine the preset distance range that matches the current distance; Within the distance, whether the spacing trend and the speed of the spacing change meet the preset requirements; if the spacing change trend and the speed change speed of the spacing are not met, the vehicle is controlled Decline according to the alarm prompt. The method can effectively prevent vehicle collision accidents and improve the safety of vehicle driving.

Description

The method and device that collision prevention of vehicle is reminded
Technical field
The present invention relates to technical field of vehicle safety, the method and device reminded in particular to a kind of collision prevention of vehicle.
Background technique
Vehicle brings convenience to the trip of people, but safety accident also often occurs, the loss of safety accident bring It is very serious.
Currently, on the one hand having formulated a large amount of vehicular traffic security legislation to reduce safety accident;On the other hand, it infuses Loaded vehicle safe practice actively develops vehicle security system, but the safety measure formulated in terms of anticollision is also compared It is few.
Summary of the invention
In order to overcome the deficiencies in the prior art described above, the present invention provides a kind of method and device of collision prevention of vehicle.
Technical solution provided by the embodiment of the present invention is as follows:
In a first aspect, the present invention provides a kind of method of collision prevention of vehicle, comprising:
Obtain current distance value, the spacing variation tendency, spacing pace of change between vehicle-to-target object;Determining and institute State the matched pre-determined distance range of current distance value;Judge within the scope of the pre-determined distance, the spacing variation tendency and institute State whether spacing pace of change meets preset requirement;If the spacing variation tendency and the spacing pace of change are unsatisfactory for presetting It is required that controlling the vehicle carries out warning note, so that user is slowed down according to the warning note.
Further, it determines with the matched pre-determined distance range of the current distance value and includes:
Determined at least two pre-determined distance ranges with the matched pre-determined distance range of the current distance value, In, the corresponding preset requirement of the different pre-determined distance ranges is different.
Further, after exporting warning message, the method also includes:
Detect whether the vehicle is in deceleration regime, if the vehicle is not in deceleration regime, control the vehicle into Row slows down.
Further, the method also includes:
When the control vehicle is slowed down, if the current distance value is less than or equal to preset distance limits Value, controls the vehicle and is braked.
Further, the method also includes:
When the control vehicle is braked, corresponding warning message is generated, includes at least institute in the warning message State the position of vehicle;The warning message is fed back to specified management terminal.
Further, before obtaining the current distance value between vehicle-to-target object, the method also includes:
Obtain the relative distance and relative angle between vehicle-to-target object;According to the relative distance and described opposite Whether angle judges the vehicle and the target object on same lane;It is corresponding, it obtains between vehicle-to-target object Current distance value include: to obtain vehicle-to-target object in the vehicle and the target object when on same lane and work as Front distance value.
Second aspect, the present invention also provides the devices that a kind of collision prevention of vehicle is reminded, comprising:
Obtain module: for obtaining the current distance value between vehicle-to-target object, spacing variation tendency, spacing variation Speed;Determining module: it is worth matched pre-determined distance range with the current distance for determining;Judgment module: for judging Within the scope of the pre-determined distance, whether the spacing variation tendency and the spacing pace of change meet preset requirement;Control mould Block: it if the spacing variation tendency and the spacing pace of change are unsatisfactory for preset requirement, is reported for controlling the vehicle Alert prompt, so that user is slowed down according to the warning note.
Further, the determining module is also used to: determined at least two pre-determined distance ranges with it is described current The matched pre-determined distance range of distance value, wherein the corresponding preset requirement of the different pre-determined distance ranges is different.
Further, described device further includes detection module: for detecting whether the vehicle is in deceleration regime;If institute It states vehicle and is not in deceleration regime, the control module is also used to control the vehicle and slows down.
Further, when the control vehicle is slowed down, if the current distance value is less than or equal to preset Distance limit, the control module are also used to control the vehicle and are braked.
The method and device that collision prevention of vehicle provided by the invention is reminded, by judging within the scope of the pre-determined distance, institute It states spacing variation tendency and whether the spacing pace of change meets preset requirement, and then decide whether that controlling vehicle alarms Prompt.Warning note, which may remind the user that, to slow down, and effectively avoids vehicle that car accident occurs, improves vehicle drive Safety.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, the embodiment of the present invention is cited below particularly, and match Appended attached drawing is closed, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart for the method that collision prevention of vehicle provided in an embodiment of the present invention is reminded;
Fig. 2 is the method implementation exemplary graph of anticollision provided in an embodiment of the present invention;
Fig. 3 is the apparatus structure schematic diagram that collision prevention of vehicle provided in an embodiment of the present invention is reminded;
Fig. 4 is electronic control unit structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is logical The component for the embodiment of the present invention being often described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following Feature in embodiment and embodiment can be combined with each other.
Fig. 1 is please referred to, is the method flow diagram that collision prevention of vehicle provided in an embodiment of the present invention is reminded, which comprises
Step 101: obtaining current distance value, the spacing variation tendency, spacing pace of change between vehicle-to-target object.
Step 102: determining to be worth matched pre-determined distance range with the current distance.
Step 103: judging within the scope of the pre-determined distance, the spacing variation tendency and the spacing pace of change are It is no to meet preset requirement.
Step 104: if the spacing variation tendency and the spacing pace of change are unsatisfactory for preset requirement, controlling the vehicle Carry out warning note so that user is slowed down according to the warning note.
The implementing procedure of step 101- step 104 is described in detail below.
In a step 101, for obtaining the current distance value between vehicle-to-target object, the target object be can be With vehicle of the vehicle driving on same lane, it is also possible to the barrier on route or travel by vehicle.Work as described Front distance value, it can be understood as longitudinal separation value, the longitudinal separation value are also not absolute in same front-rear direction straight line On distance value, can also have certain horizontal spacing value, in the horizontal spacing value, the vehicle has with the target object A possibility that contact, as long as there is a possibility that contact, it is possible to knock.
The mode of the current distance value described for acquisition, two kinds of optional embodiments of offer of the embodiment of the present invention, first The optional embodiment of kind: installation is used for the range sensor of real time distance on the vehicle, and the range sensor can The distance between a certain range of object of the vehicle distances and vehicle value is measured, and is updated and is measured in real time. The range sensor can be laser range sensor, ultrasonic distance-measuring sensor, radar sensor, infrared distance measuring sensing Device etc..In this embodiment, since the ranging of range sensor limits, so the target object is apart from the vehicle A certain range of vehicle or barrier etc..
Second of optional embodiment: pass through GPS (Global Positioning System) module of vehicle itself Obtain the distance between object value.In this embodiment, since GPS can be realized positioning, if the target object If being other vehicles, the position of other vehicles can also be shown in real time and at a distance from other vehicles, therefore user can The suspicious object object of discovery to be marked, such as user has found that the travel speed of certain vehicle of front is excessively slow or front Driving trace exception of certain vehicle etc., is marked on the corresponding vehicle mounted guidance of the GPS module, thus acquisition and mesh in real time Mark the current distance value between object.
In the embodiment of above-mentioned range sensor, within the scope of range sensor, it is able to detect that multiple objects The distance value of body, but in a practical situation, by taking the target object is other vehicles as an example, if the vehicle and other vehicles There is no travelings on same lane, such as the left and right lane of highway, and in this case, a possibility that bumping against is Smaller.
Therefore, optionally, before obtaining the current distance value between vehicle-to-target object, the method also includes: Obtain the relative distance and relative angle between vehicle-to-target object;Judged according to the relative distance and the relative angle Whether the vehicle and the target object are on same lane.It is corresponding, obtain vehicle-to-target object between it is current away from It include: the acquisition vehicle-to-target object current distance value in the vehicle and the target object when on same lane from value.
It referring to figure 2., is the exemplary diagram in the same lane of judgement provided in an embodiment of the present invention, in the exemplary diagram, it is assumed that The vehicle is vehicle A, it is assumed that the target object is vehicle B.For the relative distance, it is equivalent to vehicle A and vehicle B is equal For two points, the linear distance between two points is then the relative distance.For the relative angle, including vehicle A is perpendicular Histogram is upwards relative to the angle A of vehicle B and vehicle the B angle B relative to vehicle A in the horizontal direction, angle A and angle It is degree and it is apparent be 90 degree, therefore the horizontal spacing between available A and B.It, can basis after obtaining horizontal spacing Whether the horizontal spacing judges vehicle A and vehicle B on same lane.
Judge that vehicle A and vehicle B whether on same lane, can preset a judgment value according to the horizontal spacing, By the horizontal spacing compared with the judgment value, when being, for example, less than the judgment value, on same lane.The judgment value can The setting such as the case where with according to the width of vehicle, lane.For example, if the vehicle is wider, then the judgment value can phase That answers is smaller;If the lane is wider, the judgment value is smaller etc. accordingly.
It should be noted that if the target object be user oneself label, can without the judgement in same lane, Because representing the target object at this time already belongs to the vehicle that may be collided.
In a step 101, for obtaining spacing variation tendency, spacing pace of change between vehicle-to-target object.It can With understanding, obtaining the current distance value is the process obtained in real time, that is to say, that automobile traveling it is per when it is every It carves, the spacing between vehicle-to-target object can be acquired, then can be obtained according to the distance values of different moments described Spacing variation tendency and the spacing pace of change.Wherein, spacing variation tendency can be progressive or gradually remote, such as the mesh It marks object and accelerates the mobile or described vehicle deceleration, then spacing variation tendency is gradually remote;The target object reducing speed it is mobile or Vehicle described in person accelerates, then spacing variation tendency is progressive.It should be noted that the embodiment of the present invention does not consider the vehicle The case where changing opposite with the target object speed, because in this case, spacing will not change substantially, what is bumped against can Energy property is also smaller.A kind of possible implementation: assuming that the distance values in previous moment are X, the distance values at current time are Y, Previous moment and the time interval at current time are T, if Y-X is greater than 0, illustrate that spacing variation tendency is gradually remote;If Y-X less than 0, Illustrate that spacing variation tendency is progressive.Assuming that spacing pace of change is V, then V=(Y-X)/T.
After executing step 101, step 102 is executed, it is determining to be worth matched pre-determined distance range with the current distance.Step Rapid 102 can specifically include: determined at least two pre-determined distance ranges with the current distance value it is matched it is default away from From range, wherein the corresponding preset requirement of the different pre-determined distance ranges is different.
Execute step 102 after, execute step 103: judge within the scope of the pre-determined distance, the spacing variation tendency with Whether the spacing pace of change meets preset requirement.
For the judgment mode of step 103, the embodiment of the present invention provides a kind of possible implementation: assuming that described current Distance value is S, and the spacing variation tendency is progressive, the first preset range: less than 80;Second preset range: less than 30;The Three preset range: less than 10.If S is in the first preset range, then spacing pace of change should be less than the asymptotic variation of 10m/s; If S is in the second preset range, then spacing pace of change should be less than the asymptotic variation of 5m/s;If S in third preset range, Spacing pace of change should be less than the asymptotic variation of 2m/s.
After executing step 103, step 104 is executed: if the spacing variation tendency and the spacing pace of change are unsatisfactory for Preset requirement controls the vehicle and carries out warning note, so that user is slowed down according to the warning note.
Warning note is carried out for controlling the vehicle, a kind of possible implementation: sound report is set in driver's cabin Alert device, the voice guard can make a sound prompt driver, achieve the effect that warning note after receiving control instruction;? It can be alarmed by light, light crossing-signal is set in driver's cabin, which can be mentioned after receiving control instruction by flashing Show driver, achievees the effect that alarm;Vehicular display device can also be set in driver's cabin, shown by Vehicular display device related Content remind driver, such as display: please slowing down at once or present speed danger.
After exporting warning message, the method can also include: whether the detection vehicle is in deceleration regime, if institute It states vehicle and is not in deceleration regime, control the vehicle and slow down.
Wherein, the embodiment for whether being in deceleration regime for detecting the vehicle, can be by obtaining the vehicle Real time running speed, such as obtain the travel speed that records on automobile data recorder, detected by comparing the variation of speed Whether the vehicle is in deceleration regime.Whether can also be started by detecting the deceleration system of the vehicle, if deceleration system Starting, then the vehicle is in deceleration regime;If deceleration system is inactive, illustrate that the vehicle does not slow down.
Wherein, for control slow down mode, can be can be by automatic slow-down device, the automatic slow-down device with The control device of braking system connection, the control device are receiving the current distance value less than or equal to the distance After the information of critical value, opens the formulation system and carry out retarding braking.
In addition, the current distance value and the distance limits can also be calculated when the control vehicle is slowed down The difference of value;The difference is fed back into user.User can timely recognize the case where vehicle is presently in this way, To make corresponding safety precautions, such as alarm or unlatching safety guard etc., to improve the driving peace of user Quan Xing.
When controlling the vehicle deceleration, if the current distance value is less than or equal to preset distance limit, control The vehicle is made to be braked.
The embodiment of the present invention provides three kinds and optionally controls the embodiment that the vehicle is braked.The first is optional Embodiment: controlling vehicle by onboard system can not travel, for example, a kind of self-locking system can be arranged to vehicle, this is self-locking System is self-locking to control loop progress after receiving control instruction, and vehicle is automatically stopped, and in the state that can not be travelled. Second of optional embodiment: controlling the vehicle and be in forbidden state and be also possible to through remote monitoring system, specifically, The vehicle is monitored remotely, and the monitoring system can send the monitoring information of the vehicle to traffic police or road management Personnel, after receiving control instruction, remote monitoring system sends lock command to the control loop of vehicle, and then locks vehicle Control loop so that vehicle can not travel.The third embodiment: the braking system by starting the vehicle self-carrying automatically System, brakes the vehicle.
Further, when controlling the vehicle and being braked, corresponding warning message is generated, in the warning message extremely It less include the position of the vehicle;The warning message is fed back to specified management terminal.In this embodiment, described Warning message may include the position that the vehicle is presently in, it is, of course, also possible to include the vehicle is hit it is pre- The relevant informations such as survey.The management terminal can be remote monitoring terminal, be also possible to traffic police where monitoring client or road Monitoring etc. where administrative staff.It is timely to carry out to which the management terminal can receive the information such as the position about vehicle Monitor and process.
After controlling the vehicle and being braked, also detect whether the vehicle brakes success;If the vehicle braking is not Success generates warning message and feeds back to specified management terminal and open the safety guard of the vehicle.
Since braking may have unsuccessful situation, such as when emergency case, which occurs, in vehicle to be braked in time. Therefore it can detecte whether the vehicle is successfully braked, if it's not true, it is likely that the target object will be knocked, at this time Instant generation warning message simultaneously feeds back to specified management terminal, so that the case where management terminal is able to know that the vehicle is simultaneously Processing in time.Meanwhile the safety guard of the vehicle is automatically turned on, the safety of user is protected as far as possible.The safety Protective device can be air bag or other safety guards.
The method that collision prevention of vehicle provided by the invention is reminded, by judging within the scope of the pre-determined distance, the spacing Whether variation tendency and the spacing pace of change meet preset requirement, and then decide whether that controlling vehicle carries out warning note. Warning note, which may remind the user that, to slow down, and effectively avoids vehicle that car accident occurs, improves the safety of vehicle drive Property.
Referring to figure 3., the present invention also provides a kind of device 300 of collision prevention of vehicle, described device 300 includes: acquisition module 301, determining module 302, judgment module 303, control module 304.
Obtain module 301: for obtaining the current distance value between vehicle-to-target object, spacing variation tendency, spacing Pace of change.
Determining module 302: it is worth matched pre-determined distance range with the current distance for determining.
Judgment module 303: for judging within the scope of the pre-determined distance, the spacing variation tendency and the spacing become Change whether speed meets preset requirement.
Control module 304: if the spacing variation tendency and the spacing pace of change are unsatisfactory for preset requirement, for controlling It makes the vehicle and carries out warning note, so that user is slowed down according to the warning note.
Optionally, determining module 302 is also used to: being determined at least two pre-determined distance ranges and the current distance It is worth matched pre-determined distance range, wherein the corresponding preset requirement of the different pre-determined distance ranges is different.
Optionally, described device 300 further includes detection module 305: for detecting whether the vehicle is in deceleration regime; If the vehicle is not in deceleration regime, control module 304 is also used to control the vehicle and slows down.
Optionally, when controlling the vehicle and being slowed down, if the current distance value be less than or equal to it is preset away from From limiting value, control module 304 is also used to control the vehicle and is braked.
Optionally, when the control vehicle is braked, control module 304 is also used to generate corresponding warning message, The position of the vehicle is included at least in the warning message;The warning message is fed back to specified management terminal.
Optionally, it obtains module 301 and is also used to obtain relative distance and relative angle between vehicle-to-target object;Sentence Disconnected module 302 be also used to judge according to the relative distance and the relative angle vehicle and the target object whether On same lane;Module 301 is obtained to be also used in the vehicle and the target object when on same lane, obtain vehicle with Target object current distance value.
Device 300 is corresponding with the step in the above method, thus the embodiment of each module of device 300 also with each step Corresponding, details are not described herein.
Referring to figure 4., the present invention also provides a kind of electronic control unit 400, electronic control unit 400 includes memory 401, processor 402 and communication interface 403.The ginseng of software program needed for single-chip microcontroller and various settings is stored in memory 401 Number;Processor 402 is used to execute the scm software program stored in memory 401, wherein communication interface 403 and car running computer It is connected, to realize method described in above-described embodiment.
Car running computer (ecu), i.e. computer control mould group (electronic control unit).Car running computer can be right The output of the devices such as the engine on automobile controls signal to control the running of the device of engine.
Electronic control unit 400 is connect by communication interface 403 with the car running computer, makes electronic control unit 400 can With to the car running computer send instructions, so that the car running computer directly controls the vehicle and is for example slowed down, braked, reported Alert prompt etc..
Wherein, memory 401 may be, but not limited to, random access memory (Random Access Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory, EPROM), Electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory, EEPROM) etc..
Processor 402 may be a kind of IC chip, the processing capacity with signal.Processor 402 can be logical With processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation NP) etc.;It can also be digital signal processor (DSP), specific integrated circuit (ASIC), ready-made programmable Gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It can be with Realize or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be micro- place Reason device or the processor are also possible to any conventional processor etc..
In embodiment provided herein, it should be understood that disclosed device and method, it can also be by other Mode realize.The apparatus embodiments described above are merely exemplary, for example, the flow chart and block diagram in attached drawing are shown Device, the architectural framework in the cards of method and computer program product, function of multiple embodiments according to the present invention And operation.In this regard, each box in flowchart or block diagram can represent one of a module, section or code Point, a part of the module, section or code includes one or more for implementing the specified logical function executable Instruction.It should also be noted that function marked in the box can also be attached to be different from some implementations as replacement The sequence marked in figure occurs.For example, two continuous boxes can actually be basically executed in parallel, they sometimes may be used To execute in the opposite order, this depends on the function involved.It is also noted that each of block diagram and or flow chart The combination of box in box and block diagram and or flow chart can be based on the defined function of execution or the dedicated of movement The system of hardware is realized, or can be realized using a combination of dedicated hardware and computer instructions.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, laptop, server or network equipment etc.) execute the whole of each embodiment the method for the present invention Or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.It should be noted that, in this document, relational terms such as first and second and the like are used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.
The above description is only an embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification, Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1.一种车辆防撞提醒的方法,其特征在于,包括:1. A method for vehicle collision avoidance reminder, characterized in that, comprising: 获取车辆与目标物体之间的当前距离值、间距变化趋势、间距变化速度;Obtain the current distance value, distance change trend, and distance change speed between the vehicle and the target object; 确定与所述当前距离值匹配的预设距离范围;determining a preset distance range matching the current distance value; 判断在所述预设距离范围内,所述间距变化趋势和所述间距变化速度是否满足预设要求;judging whether the distance change trend and the distance change speed meet preset requirements within the preset distance range; 若所述间距变化趋势和所述间距变化速度不满足预设要求,控制所述车辆进行报警提示,以使用户根据所述报警提示进行减速。If the trend of the spacing change and the speed change speed of the spacing are not met, the vehicle is controlled to perform the alarm prompts to decelerate the user in accordance with the alarm prompts. 2.根据权利要求1所述的方法,其特征在于,确定与所述当前距离值匹配的预设距离范围包括:2. The method according to claim 1, wherein determining a preset distance range matching the current distance value comprises: 在至少两个预设距离范围中确定出与所述当前距离值匹配的预设距离范围,其中,不同的所述预设距离范围对应的所述预设要求不同。In the at least two preset distance range, determine the preset range that matches the current distance value. Among them, the preset requirements corresponding to the different preset distance range are different. 3.根据权利要求1所述的方法,其特征在于,在输出报警信息后,所述方法还包括:3. The method according to claim 1, characterized in that, after outputting the alarm information, the method further comprises: 检测所述车辆是否处于减速状态,若所述车辆未处于减速状态,控制所述车辆进行减速。Detecting whether the vehicle is in a deceleration state, and controlling the vehicle to decelerate if the vehicle is not in a deceleration state. 4.根据权利要求3所述的方法,其特征在于,所述方法还包括:4. method according to claim 3, is characterized in that, described method also comprises: 在控制所述车辆进行减速时,若所述当前距离值小于或者等于预设的距离极限值,控制所述车辆进行制动。When the vehicle is controlled to decelerate, if the current distance value is less than or equal to a preset distance limit value, the vehicle is controlled to brake. 5.根据权利要求4所述的方法,其特征在于,所述方法还包括:5. method according to claim 4, is characterized in that, described method also comprises: 在控制所述车辆进行制动时,生成对应的报警信息,所述报警信息中至少包括所述车辆的位置;When the vehicle is controlled to perform braking, corresponding alarm information is generated, and the alarm information includes at least the location of the vehicle; 将所述报警信息反馈给指定的管理终端。Feedback the alarm information to the designated management terminal. 6.根据权利要求1所述的方法,其特征在于,在获取车辆与目标物体之间的当前距离值之前,所述方法还包括:6. According to the method of claim 1, it is characterized by the current distance value between the car and the target object, and the method also includes: 获取车辆与目标物体之间的相对距离和相对角度;Get the relative distance and relative angle between the vehicle and the target object; 根据所述相对距离和所述相对角度判断所述车辆与所述目标物体是否在同一车道上;judging whether the vehicle and the target object are in the same lane according to the relative distance and the relative angle; 对应的,获取车辆与目标物体之间的当前距离值包括:在所述车辆与所述目标物体在同一车道上时,获取车辆与目标物体当前距离值。Correspondingly, the current distance value between the obtaining vehicle and the target object includes: when the vehicle is on the same lane as the target object, the current distance value of the vehicle and the target object is obtained. 7.一种车辆防撞提醒的装置,其特征在于,包括:7. A device for a vehicle anti -collision reminder, which is characterized by: including: 获取模块:用于获取车辆与目标物体之间的当前距离值、间距变化趋势、间距变化速度;Acquisition module: used to obtain the current distance value between the vehicle and the target object, the distance change trend, and the distance change speed; 确定模块:用于确定与所述当前距离值匹配的预设距离范围;Determination module: used to determine a preset distance range matching the current distance value; 判断模块:用于判断在所述预设距离范围内,所述间距变化趋势和所述间距变化速度是否满足预设要求;Judging module: for judging whether the distance change trend and the distance change speed meet the preset requirements within the preset distance range; 控制模块:若所述间距变化趋势和所述间距变化速度不满足预设要求,用于控制所述车辆进行报警提示,以使用户根据所述报警提示进行减速。Control module: If the spacing change trend and the speed change speed of the distance are not met to control the preset requirements, it is used to control the vehicle to make alarm prompts, and the user will decelerate according to the alarm prompt. 8.根据权利要求7所述的装置,其特征在于,所述确定模块还用于:在至少两个预设距离范围中确定出与所述当前距离值匹配的预设距离范围,其中,不同的所述预设距离范围对应的所述预设要求不同。8. The device according to claim 7, which is characterized by the determination module is also used to determine the preset distance that matches the current distance value in at least two preset distances. Among them, different, the differences, different The preset requirements corresponding to the preset distance ranges are different. 9.根据权利要求7所述的装置,其特征在于,所述装置还包括检测模块:用于检测所述车辆是否处于减速状态;9. The device according to claim 7, further comprising a detection module: used to detect whether the vehicle is in a deceleration state; 若所述车辆未处于减速状态,所述控制模块还用于控制所述车辆进行减速。If the vehicle is not in a deceleration state, the control module is also used to control the vehicle to decelerate. 10.根据权利要求9所述的装置,其特征在于,在控制所述车辆进行减速时,若所述当前距离值小于或者等于预设的距离极限值,所述控制模块还用于控制所述车辆进行制动。10. The device according to claim 9 is characterized that when the vehicle is decelerated, if the current distance value of the current distance is less than or equal to the preset, The vehicle brakes.
CN201811472977.8A 2018-12-04 2018-12-04 Method and device of vehicle collision reminder Pending CN109515435A (en)

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