CN107564296A - A kind of car speed early warning system based on condition of road surface - Google Patents
A kind of car speed early warning system based on condition of road surface Download PDFInfo
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- CN107564296A CN107564296A CN201710812900.XA CN201710812900A CN107564296A CN 107564296 A CN107564296 A CN 107564296A CN 201710812900 A CN201710812900 A CN 201710812900A CN 107564296 A CN107564296 A CN 107564296A
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Abstract
The present invention discloses a kind of car speed early warning system based on condition of road surface, including vehicle parameter detection module, condition of road surface detection module, map information memory, safe speed database, safe speed analysis module and car-mounted terminal；Vehicle parameter detection module sends the vehicle location of detection, driving trace to road condition detection module, sends speed to safe speed analysis module；Condition of road surface detects mould according to vehicle location and driving trace, obtains the road surface parameter information of road ahead and sends to safe speed analysis module；Safe speed analysis module, which is analyzed the security of current vehicle speed and sends the result of analysis to car-mounted terminal, car-mounted terminal, carries out voice reminder.The present invention combines speed, driving trace, position and condition of road surface, the safe speed that can be travelled to vehicle is analyzed, rational safe driving speed is provided for human pilot, effectively increases the security of driver and its passenger, reduces the probability that traffic accident occurs.
Description
Technical field
The invention belongs to road speed safety traffic technical field, it is pre- to be related to a kind of car speed based on condition of road surface
Alert system.
Background technology
With the raising of vehicle dimension and speed, particularly commercial car, its weight is big, wheelbase is long, barycenter is high, more in mountain area
Bend and long descending section are prone to accidents, and the main reason for accident occurs is mostly hypervelocity and brake fade；Many mountain area roads
Road is of the remote past, and Earlier designs can not meet the demand for security of modern Commercial car, speed limitation board commercial car is lacked intuitive with
Real-time, influence safety traffic of the commercial car in mountain road.
The travel speed of vehicle is the important card of vehicle movement efficiency and vehicle safety, and the drive speed of existing vehicle limits
It is to follow road speed limitation board speed limit mostly, i.e., the speed limit requirement that traffic department provides, driver is logical in order to reduce running time at present
Chang Wu monitor areas are exceeded the speed limit, and because the road conditions of human pilot are not yet done and driving experience deficiency, are easily made in special road section
Into traffic accident, for example, driving experience deficiency driver at ramp, may cause vehicle reverse, Yi Fa due to being short of power
Raw and car rear-end, causes traffic jam, if speed, because the sight of human pilot is restricted, at the top of early ramp easily
Vehicle with travelling in opposite directions collides, and causes casualties；For crankcase ventilaton, if speed will comparatively fast cause human pilot
Reaction speed it is slow and the stability of vehicle body is poor, there is vehicle drift, in addition can cause to overturn, hit guardrail and with it is passing
Vehicle hair clashes, and causes casualties and property loss, in order to improve the security of driver and passenger, reduces and hands over
Interpreter thus occur probability, now design a kind of car speed early warning system based on condition of road surface.
The content of the invention
It is an object of the invention to provide a kind of car speed early warning system based on condition of road surface, pass through the car to vehicle
Speed, position, driving trace and section situation are detected, and the vehicle more than safety traffic speed is prompted, and are carried
The high security of personnel, while reduce the probability of traffic accident generation.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of car speed early warning system based on condition of road surface, including the detection of vehicle parameter detection module, condition of road surface
Module, map information memory, safe speed database, safe speed analysis module and car-mounted terminal；
Speed letter of the vehicle parameter detection module for the position where detecting vehicle, driving trace and vehicle
Breath, and the position of detection and transmits information is sent to road condition detection module, by the speed information of detection send to
Safe speed analysis module；
The map information memory is used to store all road informations, and stores the gradient corresponding to different sites of road
With road curvature radius of curvature；
The condition of road surface detection module is connected with vehicle parameter detection module, map information memory respectively, for connecing
Return the vehicle to the garage and knock off a vehicle location and vehicle driving trace for parameter detection module detection, and is obtained according to the position and driving trace of vehicle
The road surface parameter information of the road ahead stored in map information memory is taken, and road surface parameter information is sent to safe speed
Analysis module；
The safe speed database is used to store vehicle speed range corresponding to different gradient scope, and different road curvatures
Vehicle speed range corresponding to radius of curvature；
The safe speed analysis module is used for the speed information for receiving speed detection unit transmission, and by the speed of reception
Information is analyzed with the safe speed information stored in safe speed database, and the result of analysis was sent to vehicle-mounted end
End；
The car-mounted terminal is used for the speed comparative result for receiving the transmission of safe speed analysis module, according to the comparison of speed
As a result prompt messages are sent, prompt human pilot to taper to speed in the range of safe speed.
Further, the vehicle parameter state detection module includes positioning unit, speed detection unit and driving trace
Determining unit；
The positioning unit is GPS location, for obtaining the positional information of vehicle, and by the positional information of vehicle send to
Map information memory；The Bus- Speed Monitoring unit is vehicle speed sensor, on vehicle, for detecting the speed of vehicle；
The driving trace determining unit is connected with positioning unit, for being determined to the track that vehicle travels, and then
Determine the travel direction of vehicle.
Further, in crankcase ventilaton, the safe speed of vehicle travelingV is vehicle in road curvature curvature half
Speed under footpath, u are the confficient of static friction on bend section and road surface, and r is bend radius of curvature.
Further, the safe speed analysis module includes the first wireless communication unit and speed comparing unit, described
Speed comparing unit is comparator, for the speed of detection to be compared with the safe speed stored in safe speed database
Compared with, and result of the comparison is sent to the first wireless communication unit；First wireless communication unit is connected with car-mounted terminal, is used
In transmission speed comparative result.
Further, the car-mounted terminal includes the second wireless communication unit and alarm unit, second radio communication
Unit receives the speed comparative result that the first wireless communication unit is sent；The alarm unit is alarm, for sending voice
Warning reminding.
Beneficial effects of the present invention：
The present invention can detect that the speed, travel direction and positional information of vehicle, and tie by vehicle parameter detection module
Close the section situation that condition of road surface detection module can be appreciated that vehicle traveling front, and the safety according to different sections of highway situation to vehicle
Speed is analyzed, and is had the characteristics of reliability is high, ageing high, is provided rational safe driving speed for human pilot, make
Human pilot pre-decelerating is obtained, reduces flurried degree when driving, effectively increases the security of driver and its passenger, is reduced
The probability that traffic accident occurs.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of car speed early warning system schematic diagram based on condition of road surface of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to shown in Fig. 1, the present invention is a kind of car speed early warning system based on condition of road surface, including vehicle parameter
Detection module, condition of road surface detection module, map information memory, safe speed database, safe speed analysis module and car
Mounted terminal；
Speed information of the vehicle parameter detection module for the position where detecting vehicle, driving trace and vehicle, and
The position of detection and driving trace information are sent to road condition detection module, the speed information of detection is sent to safety speed
Spend analysis module；Vehicle parameter state detection module includes positioning unit, speed detection unit and driving trace determining unit, fixed
Bit location is GPS location, for obtaining the positional information of vehicle, and the positional information of vehicle is sent to cartographic information and stored
Device；Bus- Speed Monitoring unit is vehicle speed sensor, on vehicle, for detecting the speed of vehicle；Driving trace determining unit
It is connected with positioning unit, for determining the track of vehicle traveling, and then determines the travel direction of vehicle.
Map information memory is used to store all road informations, and stores the gradient and road corresponding to different sites of road
Curved way radius of curvature.
Condition of road surface detection module is connected with vehicle parameter detection module, map information memory respectively, for receiving car
The vehicle location of parameter detection module detection and the direction of vehicle traveling, and obtained according to the position of vehicle and travel direction
The road surface parameter information of the road ahead stored in map information memory, and road surface parameter information is sent to safe speed point
Module is analysed, the parameter information of acquisition is mainly road grade and road curvature radius of curvature.
Safe speed database is used to store vehicle speed range corresponding to different gradient scope, and different road curvature curvature
Vehicle speed range corresponding to radius, the gradient of road include ascents and descents, for range of grade absolute value between 3-5%, car
Corresponding safe speed scope is 50-60Km/h, and the absolute value of range of grade is between 5-8%, safe speed corresponding to vehicle
Scope is 30-40Km/h；The relation of road curvature radius of curvature and speed isIn order to ensure the security row of vehicle
Sail, it is desirable to which the speed of vehicle safe driving isWherein, v is speed of the vehicle under road curvature radius of curvature, and u is
Bend section and the confficient of static friction on road surface, r are bend radius of curvature.
Safe speed analysis module is used for the speed information for receiving speed detection unit transmission, and by the speed information of reception
Safe speed information with being stored in safe speed database is analyzed, if the speed information of detection exceedes safe speed information
90% when, then send alarm signal to car-mounted terminal, wherein safe speed analysis module include the first wireless communication unit and
Speed comparing unit, speed comparing unit are comparator, for the peace that will be stored in the speed of detection and safe speed database
Full speed is compared, and result of the comparison is sent to the first wireless communication unit；First wireless communication unit and vehicle-mounted end
End connection, for sending speed comparative result.
Car-mounted terminal is used for the speed comparative result for receiving the transmission of safe speed analysis module, according to the comparative result of speed
Prompt messages are sent, prompt human pilot to taper to speed in the range of safe speed, it is wireless that car-mounted terminal includes second
Communication unit and alarm unit, the second wireless communication unit receive the speed comparative result that the first wireless communication unit is sent；Report
Alert unit is alarm, is reminded for sending audio alert.
When vehicle is during traveling, vehicle parameter detection module detect in real time the position of vehicle, travel speed with
And travel direction, the vehicle location and the direction of traveling that condition of road surface detection module is sent according to vehicle parameter detection module,
The cartographic information stored in map information memory can be obtained, and then whether the front section for obtaining vehicle heading has the gradient
Or bending section.
Road grade that safe speed analysis module is sent according to current vehicle speed information and condition of road surface detection module and
Road curvature radius of curvature information, is analyzed current speed, vehicle-mounted if current vehicle speed exceedes the safe speed of setting
Terminal sends information of voice prompt, prompts human pilot to be slowed down, and ensures that vehicle safety passes through road grade or crankcase ventilaton.
The present invention can detect that the speed, travel direction and positional information of vehicle, and tie by vehicle parameter detection module
Close the section situation that condition of road surface detection module can be appreciated that vehicle traveling front, and the safety according to different sections of highway situation to vehicle
Speed is analyzed, and is had the characteristics of reliability is high, ageing high, is provided rational safe driving speed for human pilot, make
Human pilot pre-decelerating is obtained, reduces flurried degree when driving, effectively increases the security of driver and its passenger, is reduced
The probability that traffic accident occurs.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art
Various modifications or supplement are made to described specific embodiment or is substituted using similar mode, without departing from invention
Design or surmount scope defined in the claims, protection scope of the present invention all should be belonged to.
Claims (5)
- A kind of 1. car speed early warning system based on condition of road surface, it is characterised in that：Including vehicle parameter detection module, road Condition detection module, map information memory, safe speed database, safe speed analysis module and car-mounted terminal；Speed information of the vehicle parameter detection module for the position where detecting vehicle, driving trace and vehicle, and The position of detection and transmits information are sent to road condition detection module, the speed information of detection is sent to safety speed Spend analysis module；The map information memory is used to store all road informations, and stores the gradient and road corresponding to different sites of road Curved way radius of curvature；The condition of road surface detection module is connected with vehicle parameter detection module, map information memory respectively, for receiving car The vehicle location and vehicle driving trace of parameter detection module detection, and obtain ground according to the position of vehicle and driving trace The road surface parameter information of the road ahead stored in figure information-storing device, and road surface parameter information is sent to safe speed and analyzed Module；The safe speed database is used to store vehicle speed range corresponding to different gradient scope, and different road curvature curvature Vehicle speed range corresponding to radius；The safe speed analysis module is used for the speed information for receiving speed detection unit transmission, and by the speed information of reception Safe speed information with being stored in safe speed database is analyzed, and the result of analysis is sent to car-mounted terminal；The car-mounted terminal is used for the speed comparative result for receiving the transmission of safe speed analysis module, according to the comparative result of speed Prompt messages are sent, prompt human pilot to taper to speed in the range of safe speed.
- A kind of 2. car speed early warning system based on condition of road surface according to claim 1, it is characterised in that：The car Parameter state detection module includes positioning unit, speed detection unit and driving trace determining unit；The positioning unit is GPS location, is sent for obtaining the positional information of vehicle, and by the positional information of vehicle to map Information-storing device；The Bus- Speed Monitoring unit is vehicle speed sensor, on vehicle, for detecting the speed of vehicle；The driving trace determining unit is connected with positioning unit, for being determined to the track that vehicle travels, and then is determined The travel direction of vehicle.
- A kind of 3. car speed early warning system based on condition of road surface according to claim 1, it is characterised in that：Bending Road, the safe speed of vehicle travelingV is speed of the vehicle under road curvature radius of curvature, and u is bend section With the confficient of static friction on road surface, r is bend radius of curvature.
- A kind of 4. car speed early warning system based on condition of road surface according to claim 1, it is characterised in that：The peace Full speed degree analysis module includes the first wireless communication unit and speed comparing unit, and the speed comparing unit is comparator, uses Sent in by the speed of detection compared with the safe speed stored in safe speed database, and by result of the comparison to One wireless communication unit；First wireless communication unit is connected with car-mounted terminal, for sending speed comparative result.
- A kind of 5. car speed early warning system based on condition of road surface according to claim 1, it is characterised in that：The car Mounted terminal includes the second wireless communication unit and alarm unit, and second wireless communication unit receives the first wireless communication unit The speed comparative result of transmission；The alarm unit is alarm, is reminded for sending audio alert.
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| CN201710812900.XA CN107564296A (en) | 2017-09-11 | 2017-09-11 | A kind of car speed early warning system based on condition of road surface |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108765978A (en) * | 2018-04-27 | 2018-11-06 | 榛硕（武汉）智能科技有限公司 | A kind of novel speed early warning system |
| CN108983764A (en) * | 2018-04-27 | 2018-12-11 | 榛硕（武汉）智能科技有限公司 | Based on the unmanned control system of vehicle and automobile |
| CN109017758A (en) * | 2018-07-27 | 2018-12-18 | 武汉理工大学 | A kind of vehicle stability control system adjusted in advance and method |
| CN109543636A (en) * | 2018-11-29 | 2019-03-29 | 连尚（新昌）网络科技有限公司 | It is a kind of for detecting the method and apparatus of sharp road turn |
| CN109849924A (en) * | 2019-01-23 | 2019-06-07 | 重庆长安汽车股份有限公司 | Bend speed method for early warning, system and computer readable storage medium |
| CN110751835A (en) * | 2019-11-06 | 2020-02-04 | 中国人民解放军战略支援部队航天工程大学士官学校 | Vehicle monitoring and early warning system and method based on Beidou navigation technology |
| CN112319491A (en) * | 2020-10-28 | 2021-02-05 | 惠州市德赛西威汽车电子股份有限公司 | Safe driving early warning method and system |
| CN113053108A (en) * | 2020-12-23 | 2021-06-29 | 沈阳世纪高通科技有限公司 | Method for identifying jammed queue tail on expressway in real time |
| CN113246999A (en) * | 2021-04-30 | 2021-08-13 | 中寰卫星导航通信有限公司 | Driving behavior analysis method and device and readable storage medium |
| CN113335293A (en) * | 2021-06-22 | 2021-09-03 | 吉林大学 | Highway road surface detection system of drive-by-wire chassis |
| CN114919577A (en) * | 2022-05-24 | 2022-08-19 | 一汽解放汽车有限公司 | Vehicle driving control method, device, equipment and medium |
| CN115240412A (en) * | 2022-07-08 | 2022-10-25 | 一汽解放汽车有限公司 | Driving risk early warning method and device, electronic equipment and storage medium |
| CN115346378A (en) * | 2022-08-12 | 2022-11-15 | 智小途(上海)数字科技有限公司 | High-precision road positioning system and method |
| CN117292550A (en) * | 2023-11-24 | 2023-12-26 | 天津市普迅电力信息技术有限公司 | Speed limiting early warning function detection method for Internet of vehicles application |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983764A (en) * | 2018-04-27 | 2018-12-11 | 榛硕（武汉）智能科技有限公司 | Based on the unmanned control system of vehicle and automobile |
| CN108765978A (en) * | 2018-04-27 | 2018-11-06 | 榛硕（武汉）智能科技有限公司 | A kind of novel speed early warning system |
| CN109017758A (en) * | 2018-07-27 | 2018-12-18 | 武汉理工大学 | A kind of vehicle stability control system adjusted in advance and method |
| CN109017758B (en) * | 2018-07-27 | 2020-09-01 | 武汉理工大学 | Advance-adjustment vehicle stability control system and method |
| CN109543636A (en) * | 2018-11-29 | 2019-03-29 | 连尚（新昌）网络科技有限公司 | It is a kind of for detecting the method and apparatus of sharp road turn |
| CN109849924A (en) * | 2019-01-23 | 2019-06-07 | 重庆长安汽车股份有限公司 | Bend speed method for early warning, system and computer readable storage medium |
| CN109849924B (en) * | 2019-01-23 | 2020-12-29 | 重庆长安汽车股份有限公司 | Curve speed early warning method, system and computer readable storage medium |
| CN110751835A (en) * | 2019-11-06 | 2020-02-04 | 中国人民解放军战略支援部队航天工程大学士官学校 | Vehicle monitoring and early warning system and method based on Beidou navigation technology |
| CN110751835B (en) * | 2019-11-06 | 2024-05-07 | 中国人民解放军战略支援部队航天工程大学士官学校 | Vehicle monitoring and early warning system and method based on Beidou navigation technology |
| CN112319491B (en) * | 2020-10-28 | 2022-07-29 | 惠州市德赛西威汽车电子股份有限公司 | Safe driving early warning method and system |
| CN112319491A (en) * | 2020-10-28 | 2021-02-05 | 惠州市德赛西威汽车电子股份有限公司 | Safe driving early warning method and system |
| CN113053108A (en) * | 2020-12-23 | 2021-06-29 | 沈阳世纪高通科技有限公司 | Method for identifying jammed queue tail on expressway in real time |
| CN113246999A (en) * | 2021-04-30 | 2021-08-13 | 中寰卫星导航通信有限公司 | Driving behavior analysis method and device and readable storage medium |
| CN113335293B (en) * | 2021-06-22 | 2022-09-02 | 吉林大学 | Highway road surface detection system of drive-by-wire chassis |
| CN113335293A (en) * | 2021-06-22 | 2021-09-03 | 吉林大学 | Highway road surface detection system of drive-by-wire chassis |
| CN114919577A (en) * | 2022-05-24 | 2022-08-19 | 一汽解放汽车有限公司 | Vehicle driving control method, device, equipment and medium |
| CN114919577B (en) * | 2022-05-24 | 2024-07-02 | 一汽解放汽车有限公司 | Vehicle driving control method, device, equipment and medium |
| CN115240412A (en) * | 2022-07-08 | 2022-10-25 | 一汽解放汽车有限公司 | Driving risk early warning method and device, electronic equipment and storage medium |
| CN115346378A (en) * | 2022-08-12 | 2022-11-15 | 智小途(上海)数字科技有限公司 | High-precision road positioning system and method |
| CN117292550A (en) * | 2023-11-24 | 2023-12-26 | 天津市普迅电力信息技术有限公司 | Speed limiting early warning function detection method for Internet of vehicles application |
| CN117292550B (en) * | 2023-11-24 | 2024-02-13 | 天津市普迅电力信息技术有限公司 | Speed limiting early warning function detection method for Internet of vehicles application |
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