CN102910114A - Vehicular whistle control method and system - Google Patents
Vehicular whistle control method and system Download PDFInfo
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- CN102910114A CN102910114A CN 201210383116 CN201210383116A CN102910114A CN 102910114 A CN102910114 A CN 102910114A CN 201210383116 CN201210383116 CN 201210383116 CN 201210383116 A CN201210383116 A CN 201210383116A CN 102910114 A CN102910114 A CN 102910114A
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Abstract
The invention relates to vehicular whistle control method and system. The method includes: detecting potential dangers around a runing vehicle; and if potential dangers are detected, setting the vehicle in a whistle-demanded mode, and allowing the vehicle to automatically whistle and/or send out an alert on whistle demanded. The method further includes acquiring current or concerned position of the runing vehicle and runing direction related whistle operation regulation information by a traffic signal recognition device and/or a positioning system and by controlling a data source, and setting the vehicle in one of the modes according to the acquired result, wherein the modes include a whistle demanded mode, a whistle prohibited or limited mode, and a free whistle mode. In the whistle prohibited or limited mode, the vehicle is prohibited from whistling, is limited to whistle under limited volume and/or to send out instruction to prohibit whistling, or is limited to warn with whistle under limited volume. In the free whistle mode, whistle of the vehicle depends on operation of a driver.
Description
Technical field
The present invention relates to a kind of vehicle blow a whistle control method and control system.
Background technology
In arteries of communication, the vehicle driver usually can be by blowing a whistle to cause other traffic participant (for example, other self-propelled vehicle, unpowered vehicle or pedestrian's) attention.Particularly (for example running into atrocious weather, thick fog, sleety weather) time, (for example be about to sail into limited highway section, the visual field at vehicle, the sharp turn) before, perhaps when pedestrian (especially old man, children, disabled person etc.) appears in vehicle front, chaufeur can give a warning by blowing a whistle, to avoid accident as far as possible.In addition, hear that subtend sails that other vehicle of coming sends blow a whistle the time, chaufeur generally also can be blown a whistle and be responded.On the other hand, in the specific region, blow a whistle and might produce noise problem, thereby such as generally can regulation vehicle no tooting near hospital, school, dwelling district etc. or only can blow a whistle with limited volume.Therefore, usually blow a whistle traffic mark or signal can be set at the road periphery, with inform that the vehicle driver should blow a whistle, no tooting or only can blow a whistle with limited volume.
Yet, because the carelessness of chaufeur, reaction is untimely or the environment sight line is poor, chaufeur possibly can't in time be found the potential danger situation of vehicle-surroundings or the traffic mark of blowing a whistle, thereby cause vehicle to fail in time suitably to blow a whistle and accident, or blow a whistle in the zone of no tooting and violate traffic regulations.
The present invention is intended to solve the above-mentioned one or more problems that exist in the prior art.
Summary of the invention
The purpose of this invention is to provide a kind of vehicle blow a whistle control method and system, it can control the operation of blowing a whistle of vehicle in time, exactly automatically, with the safety that improves Vehicle Driving Cycle and the driver comfort of chaufeur.
According to the present invention, above-mentioned purpose realizes by a kind of like this vehicle control method of blowing a whistle, and it comprises: the potential danger situation that detects the driving vehicle periphery; And if detect described potential danger situation, then vehicle being placed must blast mode, wherein vehicle automatic whistling and/or send the warning that indication must be blown a whistle.
Advantageously, described control method also can comprise the weather conditions of obtaining vehicle running environment, and gives a warning when getting access to the atrocious weather situation.
For example, described potential danger situation can comprise one or more in the following situation: be about to occur limited highway section, the visual field at the vehicle front that travels; The pedestrian has appearred in vehicle front travelling; Sailed the vehicle of blowing a whistle from the subtend of driving vehicle.
For example, detecting described potential danger situation can carry out by means of in the following mode one or more: photograph/video camera; Radar; Position fixing system and numerical map; Sound analysis device; Vehicle and vehicle communication; Vehicle is communicated by letter with traffic infrastructure.
Advantageously, described control method also can comprise: utilize the traffic signal means of identification or utilize position fixing system and the control data source is obtained the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to, and in the situation that do not detect described potential danger situation: if get access to the operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then according to the operation regulatory information of blowing a whistle of obtaining vehicle is placed one of following pattern: described must blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume.If do not get access to any operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle.
Or, described control method also can comprise: utilize respectively traffic signal means of identification and position fixing system and control data source to obtain the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to, and in the situation that do not detect described potential danger situation: if get access to the operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then the operation regulatory information of blowing a whistle of utilizing the traffic signal means of identification to obtain is compared with the operation regulatory information of blowing a whistle of utilizing position fixing system and control data source to obtain.If comparative result is consistent, then according to the operation regulatory information of blowing a whistle of obtaining vehicle is placed one of following pattern: described necessary blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume.If comparative result is inconsistent, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle.If do not get access to any operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then vehicle placed described free blast mode.
Advantageously, described control data source can comprise having stored the operation regulatory information of blowing a whistle, vehicle-mounted digital map or the outer numerical map of car that provided by long-range traffic control center.
Advantageously, utilize the traffic signal means of identification to obtain to blow a whistle the operation regulatory information to comprise to utilize vehicle-mounted photograph/video camera identification arteries of communication sign or utilize the vehicle read electric traffic signal of communicating by letter with traffic infrastructure.
Correspondingly, the present invention also provides a kind of and has carried out above-mentioned control method with the vehicle of the realizing above-mentioned purpose control system of blowing a whistle, and it comprises: control setup; With with the potential danger condition detection apparatus of described control setup communication connection, described potential danger condition detection apparatus is configured to detect the potential danger situation of driving vehicle periphery, and sends alarm signal to described control setup when detecting described potential danger situation; Wherein, described control setup is configured to after receiving the alarm signal that described potential danger condition detection apparatus sends vehicle placed must blast mode, wherein vehicle automatic whistling and/or send the warning that indication must be blown a whistle.
Advantageously, described control system also can comprise: with the weather conditions deriving means of described control setup communication connection, described weather conditions deriving means is configured to obtain the weather conditions of vehicle running environment, and sends alarm signal to described control setup when getting access to the atrocious weather situation; Described control setup also is configured to give a warning behind the alarm signal that receives described weather conditions deriving means transmission.
Advantageously, described control system also can comprise: with the operation regulatory information deriving means of blowing a whistle of described control setup communication connection, the described operation regulatory information deriving means of blowing a whistle is configured to obtain and sends the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to described control setup, and comprise traffic signal means of identification or position fixing system and control data source, described control setup is configured in the situation of the alarm signal that does not receive described potential danger condition detection apparatus transmission: if receive the operation regulatory information of blowing a whistle that the described operation regulatory information deriving means of blowing a whistle sends, then according to the received operation regulatory information of blowing a whistle vehicle is placed one of following pattern: described necessary blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume.If do not receive any operation regulatory information of blowing a whistle that the described operation regulatory information deriving means of blowing a whistle sends, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle.
Or, described control system also can comprise: with the operation regulatory information deriving means of blowing a whistle of described control setup communication connection, the described operation regulatory information deriving means of blowing a whistle is configured to obtain and sends the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to described control setup, and comprise traffic signal means of identification and position fixing system and control data source, described control setup is configured in the situation of the alarm signal that does not receive described potential danger condition detection apparatus transmission: if receive the operation regulatory information of blowing a whistle that the described operation regulatory information deriving means of blowing a whistle sends, then the operation regulatory information of blowing a whistle of being obtained by the traffic signal means of identification is compared with the operation regulatory information of blowing a whistle of being obtained by position fixing system and control data source.If comparative result is consistent, then according to the received operation regulatory information of blowing a whistle vehicle is placed one of following pattern: described necessary blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume.If comparative result is inconsistent, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle.If do not receive any operation regulatory information of blowing a whistle that the described operation regulatory information deriving means of blowing a whistle sends, then vehicle placed described free blast mode.
Advantageously, described traffic signal means of identification can comprise the vehicle-mounted photograph/video camera that is configured to identify the arteries of communication sign, or utilizes communicate by letter with the traffic infrastructure electronic receiver of read electric traffic signal of vehicle.
Description of drawings
Fig. 1 illustrates the blow a whistle a kind of exemplary control flow of control method of vehicle according to the invention;
Fig. 2 illustrates the blow a whistle another kind of exemplary control flow of control method of vehicle according to the invention.
The specific embodiment
The vehicle according to the invention control method of blowing a whistle can realize by being installed in vehicle according to the invention on the vehicle control system of blowing a whistle, and the core of this control system is to store the blow a whistle control setup of control program and correlation parameter of corresponding vehicle.With reference to the accompanying drawings the blow a whistle embodiment of control method and control system of vehicle according to the invention is described.
Fig. 1 illustrates the control flow of the first embodiment of the present invention.As shown in Figure 1, in step 101, the chaufeur steering vehicle begins to travel, and the vehicle control system of blowing a whistle is ready.In step 102, vehicle is via satellite communicator or sensor (such as the vehicle-mounted rain sensor) weather conditions of obtaining vehicle running environment for example.Here, described satellite communication apparatus or sensor can be considered the weather conditions deriving means in the described control system.In step 103, judge whether accessed in step 102 be atrocious weather situation (for example, thick fog or sleety weather).If judged result is "Yes", then control flow forwards step 104 to; If judged result is "No", then control flow forwards step 105 to.In step 104, more specifically, can to send alarm signal to control setup not good to show weather conditions with the weather conditions deriving means of control setup communication connection, then control setup control vehicle (for example sends vision and/or aural alert, sound the alarm, and/or at vehicle-mounted instrument or demonstration screen display information warning) to cause the attention of chaufeur.After this, control flow forwards step 105 to.
In step 105, detect whether there is the potential danger situation at the vehicle-surroundings that travels." potential danger situation " described here refers to cause the situation of vehicle accident, for example is not limited to: be about to occur limited highway section, the visual field (for example, sharp turn) at the vehicle front that travels; The pedestrian has appearred in vehicle front travelling; Sailed the vehicle of blowing a whistle from the subtend of driving vehicle.According to the concrete manifestation of potential danger situation, can adopt corresponding detection mode.For example, can utilize the pedestrian who occurs on vehicle-mounted photograph/video camera or radar (such as laser radar) the identification road ahead; Can utilize position fixing system (such as gps satellite or various aiding sensors) and numerical map to determine whether driving vehicle the place ahead has limited highway section, the visual field; Can utilize sound analysis device to identify the information of blowing a whistle sound or utilizing other vehicle of vehicle and vehicle communication (vehicle-to-vehicle communication) device reception to send of other vehicle, send a car in order to determined whether subtend; Can utilize vehicle (vehicle-to-infrastructure communication) device of communicating by letter with traffic infrastructure to receive and to be arranged on wireless signal that near the traffic infrastructure the road sends determining whether the place ahead has limited highway section, the visual field, etc.Above-mentioned device for detection of the potential danger situation all can be considered the potential danger condition detection apparatus in the described control system.
If the detection in the step 105 or judged result are "Yes", then control flow forwards step 106 to.Simultaneously, the above-mentioned potential danger condition detection apparatus with the control setup communication connection sends alarm signal to control setup.In step 106, control setup places vehicle after receiving the alarm signal that described detecting device sends must blast mode, vehicle automatic whistling and/or send vision and/or the aural alert that indication must be blown a whistle to chaufeur in must blast mode, thereby the generation that can as far as possible avoid traffic accident.After this, control flow forwards step 113 to.
If the detection in the step 105 or judged result are "No", then control flow forwards step 107 to.In step 107, obtain the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to by the operation regulatory information deriving means of blowing a whistle.Here, the operation regulatory information of blowing a whistle deriving means comprises the traffic signal means of identification, perhaps position fixing system and control data source.Wherein, the traffic signal means of identification can for example comprise the vehicle-mounted photograph/video camera that is configured to identify arteries of communication sign (expression must blow a whistle or forbid or limit the arteries of communication of blowing a whistle to identify), or utilizes vehicle to communicate by letter with traffic infrastructure to read the electronic receiver of the electronic communication signal that sent by near the electronic emitter that is located at the road (expression must blow a whistle or forbid or limit the radio traffic signal of blowing a whistle).But go out the expression that the road periphery sets up by traffic signal means of identification Direct Recognition and must blow a whistle or forbid or limit arteries of communication sign or the signal of blowing a whistle.Vehicle-mounted digital map or the outer numerical map of car that is provided by long-range traffic control center (or traffic-information service provider) can be provided the control data source, and these numerical maps have all been stored the operation regulatory information of blowing a whistle; Long-range traffic control center also can directly send the permanent or interim operation regulatory information of blowing a whistle as the control data to vehicle; Can determine position and the travel direction of driving vehicle by position fixing system, be combined with the data that the control data source provides thus and just can obtain the operation regulatory information of blowing a whistle accordingly.Utilize traffic signal means of identification or position fixing system and control data source to obtain with after blow a whistle relevant with travel direction of the current of driving vehicle or the position of paying close attention to operates regulatory information in step 107, the operation regulatory information of blowing a whistle deriving means sends to control setup with the result, and control flow forwards step 108 to.
In step 108, control setup has judged whether to get access to the operation regulatory information of blowing a whistle that expression must be blown a whistle.If judged result is "Yes", then control flow forwards step 109 to; If judged result is "No", then control flow forwards step 110 to.
In step 109, control setup places above-mentioned necessary blast mode with vehicle.After this, control flow forwards step 113 to.
In step 110, the operation regulatory information of blowing a whistle that control setup has judged whether to get access to the expression no tooting or only can blow a whistle with limited volume.If judged result is "Yes", then control flow forwards step 111 to; If judged result is "No", then control flow forwards step 112 to.
In step 111, control setup places vehicle to be forbidden or limits blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume to chaufeur with limited volume.After this, control flow forwards step 113 to.
In step 112, control setup places free blast mode with vehicle, wherein whether the operation by chaufeur decides vehicle to blow a whistle, and this is because the operation regulatory information deriving means of blowing a whistle in step 107 may not get access to any operation regulatory information of blowing a whistle (generally being owing to itself just there not being any operation regulations of blowing a whistle in the target location).After this, control flow forwards step 113 to.
In step 113, judge whether Vehicle Driving Cycle finishes.If judged result is "Yes", then control flow forwards step 114 to, the finishing control program; If judged result is "No", then control flow is got back to step 102.
Fig. 2 illustrates the control flow of the second embodiment of the present invention, and the difference of itself and the first embodiment only is with step 1071 to 1073 steps 107 that replaced among the first embodiment, thereby below will be only step 1071 be described to 1073.
In step 1071, still obtain the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to by the operation regulatory information deriving means of blowing a whistle.But different from step 107 is that the operation regulatory information of blowing a whistle deriving means comprises traffic signal means of identification and position fixing system and control data source.That is to say, utilize traffic signal means of identification and position fixing system and control data source to obtain respectively the operation regulatory information of blowing a whistle, and all send to control setup.Then, control flow forwards step 1072 to.
In step 1072, control setup compares with the operation regulatory information of blowing a whistle of being obtained by position fixing system and control data source the operation regulatory information of blowing a whistle of being obtained by the traffic signal means of identification.After this, control flow forwards step 1073 to.
In step 1073, comparative result to step 1072 is judged, if it is consistent with the operation regulatory information of blowing a whistle that the control data source gets access to that comparative result shows by traffic signal means of identification and position fixing system, then control flow forwards step 108 to, after this blows a whistle according to the accessed operation regulatory information control vehicle of blowing a whistle; If comparative result is inconsistent, then control flow forwards step 112 to, and vehicle is placed free blast mode, that is, determined whether blowing a whistle by chaufeur.
Compare with the first embodiment, the operation regulatory information deriving means of blowing a whistle among the second embodiment comprises traffic signal means of identification and position fixing system and control data source, thereby can guarantee to obtain more reliably the operation regulatory information of blowing a whistle.In addition, compare by the information that the two is obtained, also avoided utilizing any one obtaining information wherein and the mistake that may occur.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and improvement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc. and all should be included within protection scope of the present invention.
Claims (10)
1. vehicle control method of blowing a whistle comprises:
Detect the potential danger situation of driving vehicle periphery; And
If detect described potential danger situation, then vehicle being placed must blast mode, wherein vehicle automatic whistling and/or send the warning that indication must be blown a whistle.
2. control method according to claim 1 is characterized in that, also comprises
Obtain the weather conditions of vehicle running environment, and when getting access to the atrocious weather situation, give a warning.
3. control method according to claim 1 and 2 is characterized in that,
Described potential danger situation comprises one or more in the following situation: be about to occur limited highway section, the visual field at the vehicle front that travels; The pedestrian has appearred in vehicle front travelling; Sailed the vehicle of blowing a whistle from the subtend of driving vehicle.
4. control method according to claim 1 and 2 is characterized in that,
Detecting described potential danger situation carries out by means of in the following mode one or more: photograph/video camera; Radar; Position fixing system and numerical map; Sound analysis device; Vehicle and vehicle communication; Vehicle is communicated by letter with traffic infrastructure.
5. control method according to claim 1 is characterized in that, also comprises
Utilize the traffic signal means of identification or utilize position fixing system and the control data source is obtained the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to, and in the situation that do not detect described potential danger situation:
If get access to the operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then according to the operation regulatory information of blowing a whistle of obtaining vehicle is placed one of following pattern: described must blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume;
If do not get access to any operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle.
6. control method according to claim 1 is characterized in that, also comprises
Utilize respectively traffic signal means of identification and position fixing system and control data source to obtain the blow a whistle operation regulatory information relevant with travel direction with the current of driving vehicle or the position of paying close attention to, and in the situation that do not detect described potential danger situation:
If get access to the operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then the operation regulatory information of blowing a whistle of utilizing the traffic signal means of identification to obtain is compared with the operation regulatory information of blowing a whistle of utilizing position fixing system and control data source to obtain:
If comparative result is consistent, then according to the operation regulatory information of blowing a whistle of obtaining vehicle is placed one of following pattern: described necessary blast mode; With forbid or limit blast mode, the wherein vehicle warning that is under an embargo and blows a whistle or only can blow a whistle and/or send the indication no tooting or only can blow a whistle with limited volume with limited volume;
If comparative result is inconsistent, then vehicle is placed free blast mode, wherein whether the operation by chaufeur decides vehicle to blow a whistle;
If do not get access to any operation regulatory information of blowing a whistle in the current of driving vehicle or the position of paying close attention to and travel direction, then vehicle placed described free blast mode.
7. according to claim 5 or 6 described control methods, it is characterized in that, described control data source comprise having stored the operation regulatory information of blowing a whistle, vehicle-mounted digital map or the outer numerical map of car that provided by long-range traffic control center.
8. according to claim 5 or 6 described control methods, it is characterized in that, utilize the traffic signal means of identification to obtain to blow a whistle the operation regulatory information to comprise to utilize vehicle-mounted photograph/video camera identification arteries of communication sign or utilize the vehicle read electric traffic signal of communicating by letter with traffic infrastructure.
9. vehicle control system of blowing a whistle comprises:
Control setup; With
Potential danger condition detection apparatus with described control setup communication connection, described potential danger condition detection apparatus is configured to detect the potential danger situation of driving vehicle periphery, and sends alarm signal to described control setup when detecting described potential danger situation;
Wherein, described control setup is configured to after receiving the alarm signal that described potential danger condition detection apparatus sends vehicle placed must blast mode, wherein vehicle automatic whistling and/or send the warning that indication must be blown a whistle.
10. control system according to claim 9 is characterized in that,
Described potential danger condition detection apparatus comprise following one or more: photograph/video camera; Radar; Position fixing system and numerical map; Sound analysis device; Vehicle and vehicle communication device; Vehicle and traffic infrastructure communicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210383116 CN102910114A (en) | 2012-10-10 | 2012-10-10 | Vehicular whistle control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210383116 CN102910114A (en) | 2012-10-10 | 2012-10-10 | Vehicular whistle control method and system |
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| CN102910114A true CN102910114A (en) | 2013-02-06 |
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| CN 201210383116 Pending CN102910114A (en) | 2012-10-10 | 2012-10-10 | Vehicular whistle control method and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373121A (en) * | 2015-10-13 | 2016-03-02 | 北京乐动卓越科技有限公司 | Intelligent vehicle auxiliary driving method and system |
| CN106183975A (en) * | 2016-07-28 | 2016-12-07 | 北京新能源汽车股份有限公司 | Electric automobile and pedestrian reminding system and method for electric automobile |
| CN106904157A (en) * | 2017-03-01 | 2017-06-30 | 北京汽车股份有限公司 | Vehicle brake control method and device |
| CN108600913A (en) * | 2018-05-15 | 2018-09-28 | 爱驰汽车有限公司 | Whistle volume automatic control method, system, onboard control device and storage medium |
| CN111090409A (en) * | 2018-10-19 | 2020-05-01 | 宝马股份公司 | Method, device and system for adaptively controlling volume of vehicle horn |
| WO2021103912A1 (en) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | Horn honking method and vehicle-mounted device |
-
2012
- 2012-10-10 CN CN 201210383116 patent/CN102910114A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105373121A (en) * | 2015-10-13 | 2016-03-02 | 北京乐动卓越科技有限公司 | Intelligent vehicle auxiliary driving method and system |
| CN106183975A (en) * | 2016-07-28 | 2016-12-07 | 北京新能源汽车股份有限公司 | Electric automobile and pedestrian reminding system and method for electric automobile |
| CN106904157A (en) * | 2017-03-01 | 2017-06-30 | 北京汽车股份有限公司 | Vehicle brake control method and device |
| CN108600913A (en) * | 2018-05-15 | 2018-09-28 | 爱驰汽车有限公司 | Whistle volume automatic control method, system, onboard control device and storage medium |
| CN111090409A (en) * | 2018-10-19 | 2020-05-01 | 宝马股份公司 | Method, device and system for adaptively controlling volume of vehicle horn |
| WO2021103912A1 (en) * | 2019-11-29 | 2021-06-03 | 华为技术有限公司 | Horn honking method and vehicle-mounted device |
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Application publication date: 20130206 |