CN105513427A - Vehicle and driving early-warning method and device for same - Google Patents
Vehicle and driving early-warning method and device for same Download PDFInfo
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- CN105513427A CN105513427A CN201610090286.6A CN201610090286A CN105513427A CN 105513427 A CN105513427 A CN 105513427A CN 201610090286 A CN201610090286 A CN 201610090286A CN 105513427 A CN105513427 A CN 105513427A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/165—Anti-collision systems for passive traffic, e.g. including static obstacles, trees
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
The invention relates to a vehicle and a driving early-warning method and device for the same, and belongs to the technical field of traffic safety. The method includes the steps that the distance between the vehicle and an obstacle around the vehicle is detected through a sonar sensor of the vehicle; the current vehicle speed and the driving direction of the vehicle are detected; driving early warning is conducted according to the distance between the vehicle and the obstacle, the current vehicle speed and the driving direction. According to the vehicle speed and the driving direction of the vehicle and the distance between the vehicle and the surrounding obstacle, whether the vehicle is kept within the safety distance from the surrounding obstacle or not is analyzed dynamically, safe distance early warning is conducted for the periphery of the vehicle in an all-around mode to remind a driver to take measures in time to avoid danger, and life and property safety of a user is guaranteed to a certain degree.
Description
Technical field
The disclosure relates to traffic safety technology field, particularly relates to driving method for early warning and the device of a kind of vehicle and vehicle.
Background technology
Vehicle (such as lorry, car etc.) is that people are producing and conventional transport and walking-replacing tool in life instantly, along with popularizing of vehicle, the loss of the lives and properties of the user caused due to traffic hazard also increases thereupon, and in the human factor causing these traffic hazards to occur, driver tired driving or distraction are one of the main reasons, if driver is absent minded within the time of continuous 3S, probably cause traffic hazard, main manifestations is deviation and rear-end collision.
In the related, preventing deviation and remaining a safe distance behind the car in front in two have considerable technology exploration, by the sensors such as radar, laser, ultrasound wave, infrared ray are applied in vehicle, to realize reminding timely driver thus the generation of the deviation preventing vehicle from causing because of reasons such as driver tired drivings in the process travelled and the accident such as to knock into the back.
Summary of the invention
For overcoming Problems existing in correlation technique, disclosure embodiment provides a kind of driving method for early warning of vehicle, device and vehicle.Described technical scheme is as follows:
According to the first aspect of disclosure embodiment, provide a kind of driving method for early warning of vehicle, the method comprises:
The distance between described vehicle and described vehicle periphery barrier is detected by the sonar sensor of vehicle;
Detect current vehicle speed and the travel direction of described vehicle;
Driving early warning is carried out according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction.
Method as above, describedly carry out safety driving distance early warning according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction and comprise:
The time that described vehicle and described barrier collide is calculated according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction;
Judge whether the time that described vehicle and described barrier collide is less than the first preset time threshold;
If the time that described vehicle and described barrier collide is less than described first preset time threshold, then driving early warning is carried out to the driver of described vehicle.
Method as above, described sonar sensor is 8, is separately positioned on the surrounding of described vehicle.
Method as above, also comprises:
Judge whether the time that described vehicle and described barrier collide is less than the second preset time threshold, wherein, described second preset time threshold is less than described first preset time threshold;
If the time that described vehicle and described barrier collide is less than described second preset time threshold, then controls described vehicle and brake.
Method as above, carries out driving early warning by hummer or display.
According to the second aspect of disclosure embodiment, provide a kind of driving prior-warning device of vehicle, this device comprises:
Distance detection module, for detecting the distance between described vehicle and described vehicle periphery barrier by the sonar sensor of vehicle;
Bus-Speed Monitoring module, for detecting current vehicle speed and the travel direction of described vehicle;
Warning module, for carrying out driving early warning according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction.
Device as above,
Described warning module comprises:
Computing unit, for calculating the time that described vehicle and described barrier collide according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction;
First judging unit, for judging whether the time that described vehicle and described barrier collide is less than the first preset time threshold;
Prewarning unit, for when described first judging unit judges that the time that described vehicle and described barrier collide is less than described first preset time threshold, carries out driving early warning to the driver of described vehicle.
Device as above, described warning module also comprises:
Second judging unit, for judging whether the time that described vehicle and described barrier collide is less than the second preset time threshold, wherein, described second preset time threshold is less than described first preset time threshold; And
Control module, when the time for colliding at described vehicle and described barrier being less than described second preset time threshold, controlling described vehicle and braking.
According to the third aspect of disclosure embodiment, a kind of driving prior-warning device of vehicle is provided, comprises:
Sonar sensor, for detecting the distance between described vehicle and described vehicle periphery barrier;
Speed of vehicle detector, for detecting current vehicle speed and the travel direction of described vehicle;
Precaution device; And
Controller, the described current vehicle speed detected for the distance between the described vehicle that detects according to described sonar sensor and described barrier and the described speed of a motor vehicle and travel direction detecting device and travel direction control described precaution device and carry out driving early warning.
Device as above, described sonar sensor is 8, is separately positioned on the surrounding of described vehicle.
Device as above, described precaution device comprises hummer or display.
According to the fourth aspect of disclosure embodiment, provide a kind of vehicle, described vehicle comprises: the safety driving distance prior-warning device of vehicle described in the third aspect of disclosure embodiment.
The technical scheme that disclosure embodiment provides can comprise following beneficial effect:
By the speed of a motor vehicle and the travel direction of the distance between the omnibearing detection vehicle of sonar sensor of vehicle and vehicle periphery barrier and vehicle, and analyze vehicle dynamically by the speed of a motor vehicle of the Distance geometry vehicle of vehicle and peripheral obstacle and travel direction and whether remain in safe distance with the barrier of surrounding, and the distance of vehicle and peripheral obstacle is less than safe distance time, driving early warning is carried out to driver, corresponding workaround is taked to remind driver, reduce the generation of traffic hazard, the safety for the lives and properties of user brings certain guarantee.
Should be understood that, it is only exemplary and explanatory that above general description and details hereinafter describe, and can not limit the disclosure.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows and meets embodiment of the present disclosure, and be configured to explain principle of the present disclosure together with instructions.
Fig. 1 is the process flow diagram of the driving method for early warning of a kind of vehicle according to an exemplary embodiment;
Fig. 2 is the process flow diagram of the driving method for early warning for a kind of vehicle according to another exemplary embodiment;
Fig. 3 is the process flow diagram of the driving method for early warning for a kind of vehicle according to another exemplary embodiment;
Fig. 4 is the block diagram of the driving prior-warning device of a kind of vehicle according to an exemplary embodiment;
Fig. 5 is the block diagram of the driving prior-warning device of a kind of vehicle according to another exemplary embodiment;
Fig. 6 is the block diagram of the driving prior-warning device of a kind of vehicle according to another exemplary embodiment;
Fig. 7 is the block diagram of the driving prior-warning device of a kind of vehicle Gen Ju an exemplary embodiment again; And
Fig. 8 is the block diagram of a kind of terminal 1000 according to an exemplary embodiment.
By above-mentioned accompanying drawing, illustrate the embodiment that the disclosure is clear and definite more detailed description will be had hereinafter.These accompanying drawings and text description be not in order to limited by any mode the disclosure design scope, but by reference to specific embodiment for those skilled in the art illustrate concept of the present disclosure.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.Embodiment described in following exemplary embodiment does not represent all embodiments consistent with the disclosure.On the contrary, they only with as in appended claims describe in detail, the example of apparatus and method that aspects more of the present disclosure are consistent.
Fig. 1 is the process flow diagram of the driving method for early warning of a kind of vehicle according to an exemplary embodiment, the present embodiment is configured to illustrate in the driving prior-warning device of vehicle with the driving method for early warning of this vehicle, as shown in Figure 1, the driving method for early warning of this vehicle can comprise following step:
In step S101, detect the distance between vehicle and vehicle periphery barrier by the sonar sensor of vehicle.
As a kind of example, the number of this sonar sensor can be 8, is separately positioned on the surrounding of vehicle.Such as these 8 sonar sensors can be arranged in eight orientation of vehicle, can distance between omnibearing detection vehicle and vehicle periphery barrier for it.In addition, in embodiment of the present disclosure, in order to detect the distance between vehicle and vehicle periphery barrier more accurately, the number of this sonar sensor can be arranged according to needing particularly, and the number of such as this sonar sensor can be greater than 8.It should be noted that the barrier of vehicle periphery refers to other objects except this vehicle periphery, such as, can be people, guardrail, other vehicles etc.
Be appreciated that, sonar sensor can to surrounding's transmission signal of vehicle, afterwards when sonar sensor receives the signal of sonar sensor return, this signal is carried out to the process such as signal filtering, and calculate the distance between vehicle and vehicle periphery barrier according to the reflection interval etc. of this signal.
As a kind of example, in order to the barrier of understanding vehicle periphery clearly, the return signal that also can send signal according to sonar sensor identifies the profile of barrier.
In step s 102, current vehicle speed and the travel direction of vehicle is detected.
Be appreciated that, the safety factor of travel of this vehicle is relevant with the current vehicle speed of vehicle, the speed of a motor vehicle is faster, its safe distance needed is just larger, the safety driving distance of the vehicle of such as speed of a motor vehicle 80Km/h is less than the safety driving distance of the vehicle of speed of a motor vehicle 120Km/h, namely in order to realize the early warning to vehicular safety distance, not only to consider the distance between its peripheral obstacle of vehicle distances, also will consider the speed of a motor vehicle of Current vehicle.
Further, safe distance between the barrier of vehicle distances around it and travel direction relevant, for example, even if detect that the dead astern of Current vehicle has apart from its very near barrier, but the travel direction of vehicle is dead ahead, then the traffic safety of barrier on this vehicle of this rear view of vehicle does not affect.
In step s 103, driving early warning is carried out according to the distance between vehicle and barrier and current vehicle speed and travel direction.
Be appreciated that, when distance same with barrier, to the vehicle of the different speed of a motor vehicle, its safe distance is different, needs the priority of the time being provided driving early warning also different, for the vehicle of the same speed of a motor vehicle, the distance of its distance barrier is different, needs the priority of the time being provided driving early warning also different, for the vehicle of the equal speed of a motor vehicle, its travel direction is different, needs the priority of the time being provided driving early warning also different.Namely whether be in safe distance according to the current speed of a motor vehicle of the Distance geometry between vehicle and barrier and the direction of traffic distance analyzed dynamically between Current vehicle and the barrier around it, and whether be in safe distance according to the distance between vehicle and the barrier around it and carry out driving early warning, take in time to remind driver to evade behavior accordingly, the generation avoided traffic accident.
In an embodiment of the present disclosure, Fig. 2 is the process flow diagram of the driving method for early warning that a kind of vehicle is shown according to another exemplary embodiment, can comprise:
In step s 201, calculate according to the distance between vehicle and barrier and current vehicle speed and travel direction the time that vehicle and barrier collide.
Be appreciated that, the collision time between Current vehicle and barrier is analyzed dynamically in conjunction with the Distance geometry current vehicle speed between vehicle and barrier and travel direction, such as detect that the travel direction of Current vehicle is dead ahead, and this right ahead has a barrier, the distance of this obstacle distance Current vehicle is S, and current vehicle speed is V, then can calculate the time t=S/V that Current vehicle and barrier collide.It should be noted that, the computing method of the time that vehicle and barrier collide are determined according to the concrete condition of current vehicle speed and travel direction and the distance between vehicle and barrier.
In step S202, judge whether the time that vehicle and barrier collide is less than the first preset time threshold.
Being appreciated that by judging whether can collide with barrier within the relatively short time according to the current speed of a motor vehicle and this vehicle of travel direction, judging whether to give driver to remind, thus making driver take measures to evade danger.
It will be appreciated that, above-mentioned first preset time threshold can be the reaction time of generally driver's needs, such as driver obtained prompting and will be able to do in time to take corresponding workaround to evade danger to vehicle before 2 seconds, then this first preset time threshold can be 2 seconds.As the case may be, this first preset time threshold also can slightly larger than the reaction time of driver, when can ensure to driver with remind timely thus driver come namely take corresponding workaround, also can ensure the normal driving that can not affect driver, will early warning be received with what avoid causing because the first preset time threshold is excessive and cause affecting the normal driving behavior of driver when barrier is away from vehicle time.
In step S203, if the time that vehicle and barrier collide is less than the first preset time threshold, then driving early warning is carried out to the driver of vehicle.
In embodiment of the present disclosure, when judging that the collision time of vehicle and barrier is less than the first preset time threshold, take to evade behavior to remind driver by carrying out driving early warning to the driver of vehicle, wherein, this evades behavior can be turn to, and turns around, and stops and waits operation behavior particularly.
As a kind of example, by hummer when judging that the collision time of vehicle and barrier is less than the first preset time threshold, by hummer buzzing to carry out driving early warning to the driver of vehicle.
As another kind of embodiment, by display screen display relevant information, and driving early warning etc. can be carried out in conjunction with speech play to the driver of vehicle.
In an embodiment of the present disclosure, Fig. 3 is the process flow diagram of the method for the driving early warning of a kind of vehicle according to another exemplary embodiment, namely, on basis as shown in Figure 2, this method of carrying out safety driving distance early warning according to the distance between vehicle and barrier and current vehicle speed and travel direction also can comprise:
In step S301, calculate according to the distance between vehicle and barrier and current vehicle speed and travel direction the time that vehicle and barrier collide.
In step s 302, judge whether the time that vehicle and barrier collide is less than the first preset time threshold.
In step S303, if the time that vehicle and barrier collide is less than the first preset time threshold, then driving early warning is carried out to the driver of vehicle.
In step s 304, judge whether the time that vehicle and barrier collide is less than the second preset time threshold, wherein, the second preset time threshold is less than the first preset time threshold.
As a kind of example, because some reasons driver is when receiving driving early warning, could not initiatively take to evade behavior accordingly, delay the time of taking to evade behavior, the collision time of Current vehicle and barrier is reduced further, in order to ensure the safety of the lives and properties of user, need further to judge whether the collision time between vehicle and barrier is less than the second preset time threshold.
It should be noted that, this second preset time threshold is less than the first preset time threshold, in an embodiment of the present disclosure, this second preset time threshold can be the time that vehicle takes required for braking, as the case may be, this second preset time threshold also can slightly larger than vehicle take brake required for time.
In step S305, if the time that vehicle and barrier collide is less than the second preset time threshold, then controls vehicle and brake.
As a kind of example, if judge that the time that vehicle and barrier collide is less than the second preset time threshold, then represent that driver initiatively takes the Best Times evading behavior to miss, thus directly control vehicle is braked, to avoid the collision of vehicle and barrier.
As another kind of example, if judge that the time that vehicle and barrier collide is not less than the second preset time threshold, then continue to adopt the modes such as buzzing to remind driver to take to evade behavior accordingly.
In sum, the driving method for early warning of the vehicle that disclosure embodiment provides, by the speed of a motor vehicle and the travel direction of the Distance geometry vehicle between the omnibearing detection vehicle of sonar sensor of vehicle and vehicle periphery barrier, and analyze vehicle dynamically by the speed of a motor vehicle of the Distance geometry vehicle of vehicle and peripheral obstacle and travel direction and whether remain in safe distance with the barrier of surrounding, and the distance of vehicle and peripheral obstacle is less than safe distance time, driving early warning is carried out to driver, corresponding workaround is taked to remind driver, reduce the generation of traffic hazard, safety for the lives and properties of user brings certain guarantee.
Being described below in detail the driving prior-warning device embodiment of disclosure vehicle, may be used for the driving method for early warning embodiment for performing disclosure vehicle.For details not disclosed in the driving prewarning controller embodiment of disclosure vehicle, please refer to the driving method for early warning embodiment of disclosure vehicle.
Fig. 4 is the block diagram of the driving prior-warning device of a kind of vehicle according to an exemplary embodiment.The device of the driving early warning of this vehicle can comprise:
Distance detection module 410, is configured to detect distance between vehicle and vehicle periphery barrier by the sonar sensor of vehicle.
As a kind of example, the number of this sonar sensor can be 8, is separately positioned on the surrounding of vehicle.Such as these 8 sonar sensors can be arranged in eight orientation of vehicle, can distance between omnibearing detection vehicle and vehicle periphery barrier for distance detection module 410.
Bus-Speed Monitoring module 420, is configured to the current vehicle speed and the travel direction that detect vehicle.
Be appreciated that, the safety factor of travel of this vehicle is relevant with the current vehicle speed of vehicle, the speed of a motor vehicle is faster, its safe distance needed is just larger, the safety driving distance of the vehicle of such as speed of a motor vehicle 80Km/h is less than the safety driving distance of the vehicle of speed of a motor vehicle 120Km/h, namely in order to realize the early warning to vehicular safety distance, not only to consider the distance between its peripheral obstacle of vehicle distances, also will consider the speed of a motor vehicle of Current vehicle.
Further, safe distance between the barrier of vehicle distances around it and travel direction relevant, for example, even if detect that the rear of Current vehicle has apart from its very near barrier, but Bus-Speed Monitoring module 420 detects that the travel direction of vehicle is dead ahead, then the traffic safety of barrier on this vehicle of this rear view of vehicle does not affect.
Warning module 430, is configured to carry out driving early warning according to the distance between vehicle and barrier and current vehicle speed and travel direction.
Be appreciated that, when distance same with barrier, to the vehicle of the different speed of a motor vehicle, its safe distance is different, and needing is provided the priority of the time of driving early warning also different by warning module 430, for the vehicle of the same speed of a motor vehicle, the distance of its distance barrier is different, and needing is provided the priority of the time of driving early warning also different, for the vehicle of the equal speed of a motor vehicle by warning module 430, its travel direction is different, and needing is provided the priority of the time of driving early warning also different by warning module 430.Namely whether be in safe distance according to the current speed of a motor vehicle of the Distance geometry between vehicle and barrier and the direction of traffic distance analyzed dynamically between Current vehicle and the barrier around it, whether warning module 430 is in safe distance according to the distance between vehicle and the barrier around it is carried out driving early warning, take in time to remind driver to evade behavior accordingly, the generation avoided traffic accident.
In an embodiment of the present disclosure, Fig. 5 is the block diagram of the driving prior-warning device of a kind of vehicle according to another exemplary embodiment.As shown in Figure 5, on basis as shown in Figure 4, as shown in Figure 5, distance detection module 410 comprises computing unit 431, first judging unit 432 and prewarning unit 433.
Wherein, computing unit 431, is configured to calculate according to the distance between vehicle and barrier and current vehicle speed and travel direction the time that vehicle and barrier collide.
Be appreciated that, computing unit 431 analyzes the collision time between Current vehicle and barrier dynamically in conjunction with the Distance geometry current vehicle speed between vehicle and barrier and travel direction, such as Bus-Speed Monitoring module 420 detects that the travel direction of Current vehicle is dead ahead, and this right ahead has a barrier, the distance of this obstacle distance Current vehicle is S, and current vehicle speed is V, then computing unit 431 can calculate the time t=S/V that Current vehicle and barrier collide.It should be noted that, the computing method of the time that computing unit 431 pairs of vehicles and barrier collide are determined according to the concrete condition of current vehicle speed and travel direction and the distance between vehicle and barrier.
First judging unit 432, is configured to judge whether the time that vehicle and barrier collide is less than the first preset time threshold.
Be appreciated that, judge whether can collide with barrier within the relatively short time according to the current speed of a motor vehicle and this vehicle of travel direction by the first judging unit 432, judge whether to give driver to remind, thus make driver take measures to evade danger.
Prewarning unit 433, is configured to, when the first judging unit 432 judges that the time that vehicle and barrier collide is less than the first preset time threshold, carry out driving early warning to the driver of vehicle.
In embodiment of the present disclosure, when the first judging unit 432 judges that the collision time of vehicle and barrier is less than the first preset time threshold, prewarning unit 433 is taked to evade behavior to remind driver by carrying out driving early warning to the driver of vehicle, wherein, this evades behavior can be turn to, turn around, stop and wait operation behavior particularly.
As a kind of example, prewarning unit 433 by hummer when judging that the collision time of vehicle and barrier is less than the first preset time threshold, by hummer buzzing to carry out driving early warning to the driver of vehicle.
As another kind of embodiment, prewarning unit 433 by display screen display relevant information, and can carry out driving early warning etc. in conjunction with speech play to the driver of vehicle.
In an embodiment of the present disclosure, Fig. 6 is the block diagram of the safety driving distance prior-warning device that vehicle is shown according to another exemplary embodiment, and namely on basis as shown in Figure 5, warning module 430 also can comprise: the second judging unit 434 and control module 435.
Wherein, whether the second judging unit 434 is less than the second preset time threshold for the time judging vehicle and barrier and collide, and wherein, the second preset time threshold is less than the first preset time threshold.
As a kind of example, because some reasons driver is when receiving driving early warning, could not initiatively take to evade behavior accordingly, delay the time of taking to evade behavior, the collision time of Current vehicle and barrier is reduced further, in order to ensure the safety of the lives and properties of user, whether the collision time between vehicle and barrier is less than the second preset time threshold to need the second judging unit 434 to judge further.
Control module 435, when the time being configured to collide at vehicle and barrier is less than the second preset time threshold, controls vehicle and brakes.
As a kind of example, if the second judging unit 434 judges that the time that vehicle and barrier collide is less than the second preset time threshold, then represent that driver initiatively takes the Best Times evading behavior to miss, thus the direct vehicle that controls of control module 435 is braked, to avoid the collision of vehicle and barrier.
As another kind of example, if the second judging unit 434 judges that the time that vehicle and barrier collide is not less than the second preset time threshold, then prewarning unit 433 continues to adopt the modes such as buzzing to remind driver to take to evade behavior accordingly.
In sum, the driving prior-warning device of the vehicle that disclosure embodiment provides, by the speed of a motor vehicle and the travel direction of the Distance geometry vehicle between the omnibearing detection vehicle of sonar sensor of vehicle and vehicle periphery barrier, and analyze vehicle dynamically by the speed of a motor vehicle of the Distance geometry vehicle of vehicle and peripheral obstacle and travel direction and whether remain in safe distance with the barrier of surrounding, and the distance of vehicle and peripheral obstacle is less than safe distance time, driving early warning is carried out to driver, corresponding workaround is taked to remind driver, reduce the generation of traffic hazard, safety for the lives and properties of user brings certain guarantee.
Being described below in detail the driving prior-warning device embodiment of the another kind of vehicle of the disclosure, may be used for the driving method for early warning embodiment for performing disclosure vehicle.For details not disclosed in the driving prewarning controller embodiment of disclosure vehicle, please refer to the driving method for early warning embodiment of disclosure vehicle.
Fig. 7 is the block diagram of the driving prior-warning device of a kind of vehicle Gen Ju an exemplary embodiment again.The device of the driving early warning of this vehicle can comprise: sonar sensor 710, speed of vehicle detector 720, precaution device 730 and controller 740.
Wherein, sonar sensor 710, is configured to detect the distance between vehicle and vehicle periphery barrier.
As a kind of example, the number of this sonar sensor 710 can be 8, is separately positioned on the surrounding of vehicle.Such as these 8 sonar sensors can be arranged in eight orientation of vehicle, can distance between omnibearing detection vehicle and vehicle periphery barrier for it.In addition, in embodiment of the present disclosure, in order to detect the distance between vehicle and vehicle periphery barrier more accurately, the number of this sonar sensor 710 can be arranged according to needing particularly, and the number of such as this sonar sensor can be greater than 8.It should be noted that the barrier of vehicle periphery refers to other objects except this vehicle periphery, such as, can be people, guardrail, other vehicles etc.
Speed of vehicle detector 720, is configured to the current vehicle speed and the travel direction that detect vehicle.Wherein, precaution device 730 is configured to carry out driving early warning according to the distance between vehicle and barrier and the current speed of a motor vehicle and travel direction.
Be appreciated that, when distance same with barrier, to the vehicle of the different speed of a motor vehicle, its safe distance is different, and needing is provided the priority of the time of driving early warning also different by precaution device 730, for the vehicle of the same speed of a motor vehicle, the distance of its distance barrier is different, and needing is provided the priority of the time of driving early warning also different, for the vehicle of the equal speed of a motor vehicle by precaution device 730, its travel direction is different, and needing is provided the priority of the time of driving early warning also different by precaution device 730.Namely whether be in safe distance according to the distance between vehicle and barrier and the current speed of a motor vehicle and the travel direction distance analyzed dynamically between Current vehicle and the barrier around it, whether precaution device 730 is in safe distance according to the distance between vehicle and the barrier around it is carried out driving early warning, take in time to remind driver to evade behavior accordingly, the generation avoided traffic accident.
Controller 740, is configured to distance between the vehicle that detects according to sonar sensor 710 and barrier and the current vehicle speed that detects of speed of vehicle detector 720 and travel direction and controls precaution device 730 and carry out driving early warning.
In sum, the driving prior-warning device of the vehicle that disclosure embodiment provides, by the speed of a motor vehicle and the travel direction of the Distance geometry vehicle between the omnibearing detection vehicle of sonar sensor of vehicle and vehicle periphery barrier, and analyze vehicle dynamically by the speed of a motor vehicle of the Distance geometry vehicle of vehicle and peripheral obstacle and travel direction and whether remain in safe distance with the barrier of surrounding, and the distance of vehicle and peripheral obstacle is less than safe distance time, driving early warning is carried out to driver, corresponding workaround is taked to remind driver, reduce the generation of traffic hazard, safety for the lives and properties of user brings certain guarantee.
Being described below in detail the vehicle embodiments of disclosure vehicle, may be used for the driving method for early warning embodiment for performing disclosure vehicle.For details not disclosed in disclosure vehicle embodiments, please refer to the driving method for early warning embodiment of disclosure vehicle.
It should be noted that, the safety driving distance prior-warning device comprised with reference to the vehicle described in Fig. 7 of the vehicle in disclosure embodiment, namely the explanation of the aforementioned safety driving distance method for early warning to vehicle illustrates the vehicle being also applicable to this embodiment, does not repeat them here.
In sum, the vehicle that disclosure embodiment provides, by the speed of a motor vehicle and the travel direction of the Distance geometry vehicle between the omnibearing detection vehicle of sonar sensor of vehicle and vehicle periphery barrier, and analyze vehicle dynamically by the speed of a motor vehicle of the Distance geometry vehicle of vehicle and peripheral obstacle and travel direction and whether remain in safe distance with the barrier of surrounding, and the distance of vehicle and peripheral obstacle is less than safe distance time, driving early warning is carried out to driver, corresponding workaround is taked to remind driver, reduce the generation of traffic hazard, safety for the lives and properties of user brings certain guarantee.
Fig. 8 is the block diagram of a kind of terminal 1000 according to an exemplary embodiment.Such as, this terminal 1000 can be mobile phone, computing machine, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc.
With reference to Fig. 8, terminal 1000 can comprise following one or more assembly: processing components 1002, storer 1004, power supply module 1006, multimedia groupware 1008, audio-frequency assembly 1010, the interface 1012 of I/O (I/O), sensor module 1014, and communications component 1016.
The integrated operation of the usual control terminal 1000 of processing components 1002, such as with display, call, data communication, camera operation and record operate the operation be associated.Processing components 1002 can comprise one or more processor 1020 to perform instruction, to complete all or part of step of above-mentioned method.In addition, processing components 1002 can comprise one or more module, and what be convenient between processing components 1002 and other assemblies is mutual.Such as, processing components 1002 can comprise multi-media module, mutual with what facilitate between multimedia groupware 1008 and processing components 1002.
Storer 1004 is configured to store various types of data to be supported in the operation of terminal 1000.The example of these data comprises the instruction being configured to any application program or the method operated in terminal 1000, contact data, telephone book data, message, picture, video etc.Storer 1004 can be realized by the volatibility of any type or non-volatile memory device or their combination, as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM), Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM), ROM (read-only memory) (ROM), magnetic store, flash memory, disk or CD.
The various assemblies that electric power assembly 1006 is terminal 1000 provide electric power.Electric power assembly 1006 can comprise power-supply management system, one or more power supply, and other and the assembly generating, manage and distribute electric power for terminal 1000 and be associated.
Multimedia groupware 1008 is included in the touching display screen providing an output interface between described terminal 1000 and user.In certain embodiments, touching display screen can comprise liquid crystal display (LCD) and touch panel (TP).Touch panel comprises one or more touch sensor with the gesture on sensing touch, slip and touch panel.Described touch sensor can the border of not only sensing touch or sliding action, but also detects the duration relevant to described touch or slide and pressure.In certain embodiments, multimedia groupware 1008 comprises a front-facing camera and/or post-positioned pick-up head.When terminal 1000 is in operator scheme, during as screening-mode or video mode, front-facing camera and/or post-positioned pick-up head can receive outside multi-medium data.Each front-facing camera and post-positioned pick-up head can be fixing optical lens systems or have focal length and optical zoom ability.
Audio-frequency assembly 1010 is configured to export and/or input audio signal.Such as, audio-frequency assembly 1010 comprises a microphone (MIC), and when terminal 1000 is in operator scheme, during as call model, logging mode and speech recognition mode, microphone is configured to receive external audio signal.The sound signal received can be stored in storer 1004 further or be sent via communications component 1016.In certain embodiments, audio-frequency assembly 1010 also comprises a loudspeaker, is configured to output audio signal.
I/O interface 1012 is for providing interface between processing components 1002 and peripheral interface module, and above-mentioned peripheral interface module can be keyboard, some striking wheel, button etc.These buttons can include but not limited to: home button, volume button, start button and locking press button.
Sensor module 1014 comprises one or more sensor, is configured to as terminal 1000 provides the state estimation of various aspects.Such as, sensor module 1014 can detect the opening/closing state of terminal 1000, the relative positioning of assembly, such as described assembly is display and the keypad of terminal 1000, the position of all right sense terminals 1000 of sensor module 1014 or terminal 1000 assemblies changes, the presence or absence that user contacts with terminal 1000, the temperature variation of terminal 1000 orientation or acceleration/deceleration and terminal 1000.Sensor module 1014 can comprise proximity transducer, be configured to without any physical contact time detect near the existence of object.Sensor module 1014 can also comprise optical sensor, as CMOS or ccd image sensor, is configured to use in imaging applications.In certain embodiments, this sensor module 1014 can also comprise acceleration transducer, gyro sensor, Magnetic Sensor, pressure transducer or temperature sensor.
Communications component 1016 is configured to the communication being convenient to wired or wireless mode between terminal 1000 and other equipment.Terminal 1000 can access the wireless network based on communication standard, as WiFi, 2G or 3G, or their combination.In one exemplary embodiment, communications component 1016 receives from the broadcast singal of external broadcasting management system or broadcast related information via broadcast channel.In one exemplary embodiment, described communications component 1016 also comprises near-field communication (NFC) module, to promote junction service.Such as, can based on radio-frequency (RF) identification (RFID) technology in NFC module, Infrared Data Association (IrDA) technology, ultra broadband (UWB) technology, bluetooth (BT) technology and other technologies realize.
In the exemplary embodiment, terminal 1000 can be realized by one or more application specific integrated circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD) (PLD), field programmable gate array (FPGA), controller, microcontroller, microprocessor or other electronic components, is configured to the driving method for early warning (method shown in Fig. 1 to Fig. 3) performing above-mentioned vehicle.
In the exemplary embodiment, additionally provide a kind of non-transitory computer-readable recording medium comprising instruction, such as, comprise the storer 1004 of instruction, above-mentioned instruction can perform said method by the processor 1020 of terminal 1000.Such as, described non-transitory computer-readable recording medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk and optical data storage devices etc.
A kind of non-transitory computer-readable recording medium, when the instruction in described storage medium is performed by the processor of terminal, make terminal can perform a kind of driving method for early warning of vehicle, described method comprises:
The distance between vehicle and vehicle periphery barrier is detected by the sonar sensor of vehicle;
Detect current vehicle speed and the travel direction of vehicle;
Driving early warning is carried out according to the distance between vehicle and barrier and current vehicle speed and travel direction.
Those skilled in the art, at consideration instructions and after putting into practice invention disclosed herein, will easily expect other embodiment of the present disclosure.The disclosure is intended to contain any modification of the present disclosure, purposes or adaptations, and these modification, purposes or adaptations are followed general principle of the present disclosure and comprised the undocumented common practise in the art of the disclosure or conventional techniques means.Instructions and embodiment are only regarded as exemplary, and true scope of the present disclosure and spirit are pointed out by claim below.
Should be understood that, the disclosure is not limited to precision architecture described above and illustrated in the accompanying drawings, and can carry out various amendment and change not departing from its scope.The scope of the present disclosure is only limited by appended claim.
Claims (12)
1. a driving method for early warning for vehicle, is characterized in that, comprise the following steps:
The distance between described vehicle and described vehicle periphery barrier is detected by the sonar sensor of vehicle;
Detect current vehicle speed and the travel direction of described vehicle;
Driving early warning is carried out according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction.
2. the safety driving distance method for early warning of vehicle as claimed in claim 1, is characterized in that, describedly carries out safety driving distance early warning according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction and comprises:
The time that described vehicle and described barrier collide is calculated according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction;
Judge whether the time that described vehicle and described barrier collide is less than the first preset time threshold;
If the time that described vehicle and described barrier collide is less than described first preset time threshold, then driving early warning is carried out to the driver of described vehicle.
3. the safety driving distance method for early warning of vehicle as claimed in claim 1, it is characterized in that, described sonar sensor is 8, is separately positioned on the surrounding of described vehicle.
4. the safety driving distance method for early warning of vehicle as claimed in claim 2, is characterized in that, also comprise:
Judge whether the time that described vehicle and described barrier collide is less than the second preset time threshold, wherein, described second preset time threshold is less than described first preset time threshold;
If the time that described vehicle and described barrier collide is less than described second preset time threshold, then controls described vehicle and brake.
5. the safety driving distance method for early warning of vehicle as claimed in claim 1, is characterized in that, carry out driving early warning by hummer or display.
6. a driving prior-warning device for vehicle, is characterized in that, comprising:
Distance detection module, for detecting the distance between described vehicle and described vehicle periphery barrier by the sonar sensor of vehicle;
Bus-Speed Monitoring module, for detecting current vehicle speed and the travel direction of described vehicle;
Warning module, for carrying out driving early warning according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction.
7. the safety driving distance prior-warning device of vehicle as claimed in claim 6, it is characterized in that, described warning module comprises:
Computing unit, for calculating the time that described vehicle and described barrier collide according to the distance between described vehicle and described barrier and described current vehicle speed and travel direction;
First judging unit, for judging whether the time that described vehicle and described barrier collide is less than the first preset time threshold;
Prewarning unit, for when described first judging unit judges that the time that described vehicle and described barrier collide is less than described first preset time threshold, carries out driving early warning to the driver of described vehicle.
8. the safety driving distance prior-warning device of vehicle as claimed in claim 7, it is characterized in that, described warning module also comprises:
Second judging unit, for judging whether the time that described vehicle and described barrier collide is less than the second preset time threshold, wherein, described second preset time threshold is less than described first preset time threshold; And
Control module, when the time for colliding at described vehicle and described barrier being less than described second preset time threshold, controlling described vehicle and braking.
9. a driving prior-warning device for vehicle, is characterized in that, comprising:
Sonar sensor, for detecting the distance between described vehicle and described vehicle periphery barrier;
Speed of vehicle detector, for detecting current vehicle speed and the travel direction of described vehicle;
Precaution device; And
Controller, the described current vehicle speed detected for the distance between the described vehicle that detects according to described sonar sensor and described barrier and described speed of vehicle detector and travel direction control described precaution device and carry out driving early warning.
10. the safety driving distance prior-warning device of vehicle as claimed in claim 9, described sonar sensor is 8, is separately positioned on the surrounding of described vehicle.
The safety driving distance prior-warning device of 11. vehicles as claimed in claim 9, it is characterized in that, described precaution device comprises hummer or display.
12. 1 kinds of vehicles, is characterized in that, comprise the safety driving distance prior-warning device of the vehicle as described in any one of claim 9-11.
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| CN108829104A (en) * | 2018-06-19 | 2018-11-16 | 苏州博学智能科技有限公司 | A kind of pilotless automobile |
| CN109017554B (en) * | 2018-07-27 | 2020-11-06 | 北京小米移动软件有限公司 | Driving reminding method and device and computer readable storage medium |
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