CN110473417A - A kind of overpass speed limit value reminding method, device and storage medium - Google Patents
A kind of overpass speed limit value reminding method, device and storage medium Download PDFInfo
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- CN110473417A CN110473417A CN201910476170.XA CN201910476170A CN110473417A CN 110473417 A CN110473417 A CN 110473417A CN 201910476170 A CN201910476170 A CN 201910476170A CN 110473417 A CN110473417 A CN 110473417A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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Abstract
The invention discloses a kind of overpass speed limit value reminding method, device and storage mediums, comprising: receives front overpass attribute；Acquire ground grade information；Judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass；Obtain straight road speed-limiting messages and overpass speed-limiting messages, it is compared with the vehicle present road attribute and obtains present road speed-limiting messages, if vehicle present road attribute is overpass, then present road speed-limiting messages are overpass speed-limiting messages, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages are straight road speed-limiting messages；Show the present road speed-limiting messages；Have the advantages that accurately to broadcast speed-limiting messages, optimization driving experience.
Description
Technical field
The present invention relates to vehicle security drive field more particularly to a kind of overpass speed limit value reminding method, device and deposit
Storage media.
Background technique
With the development of vehicle technology, promotion of the vehicle in terms of speed ability is also extremely huge, so, when driving
Safety standard be particularly important, generally can also other than the commander for having traffic lights at the pivot point of traffic
There are speed limitation board and speed measuring device to carry out the specification of traffic safety to vehicle, and within today of vehicle technology prosperity, vehicle
Portion also can all be equipped with electronic map, can broadcast the speed-limiting messages in section in advance, but due to overpass when near overpass
It is upper different with speed-limiting messages under overpass, existing speed limit value suggestion device have wrong report phenomenon generation.
Current speed-limiting messages prompting function mostly uses camera and electronic map data to merge, reminds driver current
Road speed-limiting messages.Wherein, the speed-limiting messages that electronic map is sent refer mainly to electronic eyes speed-limiting messages.The electricity that electronic map is sent
Sub- eye speed-limiting messages, electronic eyes speed limit photographing device when from mapping, electronic map are based on current vehicle positioning letter
Breath, is sent to speed-limiting messages system for prompting for the associated electrical eye speed limit being stored therein, speed-limiting messages is informed driver.
Due to electronic map positioning inaccuracy, will lead to following problems: 1. vehicle drivings on overhead, remind by speed-limiting messages
System will be overhead under electronic eyes speed limit be shown to driver；2. vehicle driving, under overhead, speed-limiting messages system for prompting will be high
Electronic eyes speed limit on frame is shown to driver.In overhead scene, speed-limiting messages system for prompting is inaccurate due to electronic map positioning
The speed-limiting messages not being inconsistent with present road scene are really shown to driver, driver is made to feel confused, are brought not to driver
Good driving experience or even driver may carry out speed control according to the speed-limiting messages of mistake, cause security risk.
So a kind of overpass speed limit value reminding method, device and storage medium are needed, so that speed limit value prompt casting is more
It is accurate.
Summary of the invention
Technical problem to be solved by the present invention lies in current speed-limiting messages systems can not in overpass scene
Whether the speed-limiting messages for distinguishing electronic map transmission, which belong to vehicle, is currently located road, it is possible to broadcasting mistake for driver
Speed-limiting messages, a kind of overpass speed limit value reminding method, device and storage medium, overpass speed limit value prompt side are provided
Method includes:
Receive front overpass attribute；
Acquire ground grade information；
Judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle present road category
Property be overpass, if it is not, then vehicle present road attribute be overpass under straight road；
Straight road speed-limiting messages and overpass speed-limiting messages are obtained, is compared and obtains with the vehicle present road attribute
Present road speed-limiting messages are obtained, if vehicle present road attribute is overpass, present road speed-limiting messages are overpass speed limit
Information, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages are straight road speed limit letter
Breath；
Show the present road speed-limiting messages.
Further, overpass attribute includes: in front of the reception
Receive front overpass attribute when away from overpass entrance distance be first distance.
Further, the acquisition ground line gradient information includes:
It is described acquisition ground grade information acquisition distance be second distance, the second distance be greater than described first away from
From.
Further, acquisition ground grade information, comprising:
It acquires the lane line information of running section and is compared with preset lane line reference information, obtain locating traveling
The gradient in section.
Further, judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle is worked as
Preceding road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass, comprising:
Receive the grade information in the locating section；
The locating section grade information is compared with preset gradient threshold value；
If the section gradient is more than or equal to gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient
Less than gradient threshold value, then vehicle driving situation is still to travel in straight section.
Further, ground grade information is acquired, also are as follows:
A bit, the distance of storage calibration point to vehicle present position is third distance for calibration.
Further, judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle is worked as
Preceding road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass, also are as follows:
The distance that acquisition vehicle driving to calibration point position is travelled is the 4th distance；
The section gradient is calculated according to the third distance and the 4th distance；
The section gradient is compared with the gradient threshold value；
If the section gradient is greater than gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient is less than
Equal to gradient threshold value, then vehicle driving situation is still to travel in straight section.
Further, the straight road speed-limiting messages and the overpass speed-limiting messages are presupposed information.
The present invention also provides a kind of overpass speed limit value suggestion devices, which is characterized in that described device includes:
Information receiving module is for receiving front overpass attribute；
Information acquisition module is for acquiring ground grade information；
First judgment module is used to judge based on the ground line gradient information whether vehicle to enter overpass and travel, if so,
Then vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass；
Second judgment module is for obtaining straight road speed-limiting messages and overpass speed-limiting messages, with the current road of the vehicle
Road attribute, which is compared, obtains present road speed-limiting messages, if vehicle present road attribute is overpass, present road speed limit
Information is overpass speed-limiting messages, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages
For straight road speed-limiting messages；
Display module is for showing the present road speed-limiting messages.
On the other hand the present invention also provides a kind of computer readable storage mediums, which is characterized in that in the storage medium
It is stored at least one instruction, at least a Duan Chengxu, code set or instruction set, described at least one instructs, is at least one section described
Program, the code set or instruction set are loaded by processor and are executed to realize overpass speed limit value as described above prompt side
Method.
The invention has the following beneficial effects:
1. the present invention do not increased in hardware aspect, but compared to the prior art for, be capable of providing subject to more
True speed-limiting messages are reminded, and the driving experience of driver is optimized, while also having saved cost relatively.
2. present invention employs information acquisition module and navigation module data fusion, before capable of accurately being provided to driver
Fang Daolu speed-limiting messages avoid the case where speed-limiting messages are reported by mistake, optimize the driving experience of driver.
3. preventing the mould that individually navigates present invention employs information acquisition module, navigation module and speed-limiting messages reminding module
Block position inaccurate will be shown to driver with the incongruent speed-limiting messages of present road, and influence the driving experience of driver, very
As for security risk is caused, so that driving conditions are safer.
4. the road speed-limiting messages in front section are shown on the display module present invention employs display module, so that
Driver can clearly see the speed-limiting messages of road ahead, so that driving is safer, driving experience is more excellent.
Detailed description of the invention
Fig. 1 is timing diagram of the invention；
Fig. 2 (a) is the lane line chart of straight road in the information acquisition module visual field；
Fig. 2 (b) is the lane line chart in ramp in the information acquisition module visual field；
Fig. 3 is vehicle with respect to ground slope change figure；
Fig. 4 is the schematic diagram for calculating road grade.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.
Embodiment
In the present embodiment, the present invention is in order to solve current speed-limiting messages system, in overpass scene, cannot be distinguished
Whether the speed-limiting messages that electronic map is sent, which belong to vehicle, is currently located road, it is possible to broadcasting the limit of mistake for driver
The problem of fast information, provides a kind of overpass speed limit value reminding method, device and storage medium, the overpass speed limit value prompt
Method includes:
Receive front overpass attribute；
Acquire ground grade information；
Judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle present road category
Property be overpass, if it is not, then vehicle present road attribute be overpass under straight road；
Straight road speed-limiting messages and overpass speed-limiting messages are obtained, is compared and obtains with the vehicle present road attribute
Present road speed-limiting messages are obtained, if vehicle present road attribute is overpass, present road speed-limiting messages are overpass speed limit
Information, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages are straight road speed limit letter
Breath；
Show the present road speed-limiting messages.
In a specific embodiment, overpass attribute includes: in front of the reception
Receive front overpass attribute when away from overpass entrance distance be first distance.
In a specific embodiment, the acquisition ground line gradient information includes:
It is described acquisition ground grade information acquisition distance be second distance, the second distance be greater than described first away from
From.
In a specific embodiment, acquisition ground grade information, comprising:
It acquires the lane line information of running section and is compared with preset lane line reference information, obtain locating traveling
The gradient in section.
In a specific embodiment, judge whether vehicle enters overpass row based on the ground line gradient information
It sails, if so, vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass,
Include:
Receive the grade information in the locating section；
The locating section grade information is compared with preset gradient threshold value；
If the section gradient is more than or equal to gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient
Less than gradient threshold value, then vehicle driving situation is still to travel in straight section.
In a specific embodiment, the straight road speed-limiting messages and the overpass speed-limiting messages are default
Information.
On the other hand the present embodiment provides a kind of overpass speed limit value suggestion device, described device includes:
Information receiving module is for receiving front overpass attribute；
For information acquisition module for acquiring ground grade information, the information acquisition module can be camera；
First judgment module is used to judge based on the ground line gradient information whether vehicle to enter overpass and travel, if so,
Then vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass；
Second judgment module is for obtaining straight road speed-limiting messages and overpass speed-limiting messages, with the current road of the vehicle
Road attribute, which is compared, obtains present road speed-limiting messages, if vehicle present road attribute is overpass, present road speed limit
Information is overpass speed-limiting messages, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages
For straight road speed-limiting messages；
The information receiving module, first judgment module and the second judgment module can form speed-limiting messages system for prompting.
Display module is for showing that the present road speed-limiting messages, the display module can be instrument board.
This specification embodiment additionally provides a kind of storage medium, and the storage medium may be disposed among terminal to save
For realizing relevant at least one instruction of overpass speed limit value reminding method a kind of in embodiment of the method, an at least Duan Chengxu,
Code set or instruction set, at least one instruction, an at least Duan Chengxu, the code set or the instruction set are loaded simultaneously by the processor
Execute the overpass speed limit value reminding method to realize above method embodiment offer.
Optionally, in this specification embodiment, storage medium can be located at multiple network servers of computer network
In at least one network server.Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk,
ROM (Read-Only Memory, read-only memory), it RAM (Random Access Memory, random access memory), moves
The various media that can store program code such as dynamic hard disk, magnetic or disk.
Memory described in this specification embodiment can be used for storing software program and module, and processor passes through operation storage
In the software program and module of memory, thereby executing various function application and data processing.Memory can mainly include
Storing program area and storage data area, wherein storing program area can application program needed for storage program area, function etc.；It deposits
Storage data field, which can be stored, uses created data etc. according to the equipment.In addition, memory may include that high speed is deposited at random
Access to memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other easily
The property lost solid-state memory.Correspondingly, memory can also include Memory Controller, to provide visit of the processor to memory
It asks.
The working principle and process of a kind of overpass speed limit value reminding method, device and storage medium: current speed limit letter
Prompting function is ceased, mostly uses camera and electronic map data to merge, reminds driver's present road speed-limiting messages.Wherein, electric
The speed-limiting messages that sub- map is sent refer mainly to electronic eyes speed-limiting messages.The electronic eyes speed-limiting messages that electronic map is sent, from
Electronic eyes speed limit photographing device when mapping, electronic map are based on current vehicle location information, the phase that will be stored therein
It closes electronic eyes speed limit and is sent to speed-limiting messages system for prompting, speed-limiting messages are informed into driver, but are determined due to electronic map
Position inaccuracy is easy to appear following situation: 1. vehicle drivings on overhead, speed-limiting messages system for prompting will be overhead under electronic eyes
Speed limit is shown to driver；2. vehicle driving is under overhead, speed-limiting messages system for prompting will be overhead on electronic eyes speed limit show
To driver.
In the present embodiment, what is provided avoids overpass electronic eyes speed limit misrecognition side based on electronic map and camera
Case shifts to an earlier date a distance d1 using electronic map backstage and sends front overpass attribute information, speed-limiting messages system for prompting pair
The overpass attribute information is remembered, and remembers distance for d2, and d2 > d1, wherein the road attribute information refers to electricity
The uniquely tagged for a certain section of road being stored therein when sub- mapping, then relatively using front camera detection vehicle
The slope change in face.In camera view, lane line will be just like area shown in Fig. 2 on lane line and ramp on straight road
Not.Firstly, acquiring straight road track line number on the basis of joining calibrated outside camera according to being fitted, generating straight road
Road car diatom benchmark.Later, a large amount of various overhead inlet ramp lane line data are acquired, for overpass entrance lane line
It is demarcated, and demarcates overhead gradient threshold alpha.When actual travel, camera by visual field inside lane line with it is calibrated overhead
Entrance lane line number obtains the present road gradient according to being fitted.Within the scope of above-mentioned distance d2, if vehicle is with respect to ground slope
When degree variation is greater than threshold alpha, speed-limiting messages system for prompting judges that vehicle enters overpass, and electronic map at this time will be to speed limit
Information prompting system send electronic eyes speed-limiting messages, speed-limiting messages system for prompting according to vehicle whether enter overpass both not
Same road attribute sends the electronic eyes speed-limiting messages value instrument board to match, shows front section from instrument board to driver
Speed limit value.
The invention has the following beneficial effects:
1. the present invention do not increased in hardware aspect, but compared to the prior art for, be capable of providing subject to more
True speed-limiting messages are reminded, and the driving experience of driver is optimized, while also having saved cost relatively.
2. present invention employs information acquisition module and navigation module data fusion, before capable of accurately being provided to driver
Fang Daolu speed-limiting messages avoid the case where speed-limiting messages are reported by mistake, optimize the driving experience of driver.
3. preventing the mould that individually navigates present invention employs information acquisition module, navigation module and speed-limiting messages reminding module
Block position inaccurate will be shown to driver with the incongruent speed-limiting messages of present road, and influence the driving experience of driver, very
As for security risk is caused, so that driving conditions are safer.
4. the road speed-limiting messages in front section are shown on the display module present invention employs display module, so that
Driver can clearly see the speed-limiting messages of road ahead, so that driving is safer, driving experience is more excellent.
Embodiment
In the present embodiment, the present invention is in order to solve current speed-limiting messages system, in overpass scene, cannot be distinguished
Whether the speed-limiting messages that electronic map is sent, which belong to vehicle, is currently located road, it is possible to broadcasting the limit of mistake for driver
The problem of fast information, provides a kind of overpass speed limit value reminding method and device, the overpass speed limit value reminding method includes:
Receive front overpass attribute；
Acquire ground grade information；
Judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle present road category
Property be overpass, if it is not, then vehicle present road attribute be overpass under straight road；
Straight road speed-limiting messages and overpass speed-limiting messages are obtained, is compared and obtains with the vehicle present road attribute
Present road speed-limiting messages are obtained, if vehicle present road attribute is overpass, present road speed-limiting messages are overpass speed limit
Information, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages are straight road speed limit letter
Breath；
Show the present road speed-limiting messages.
In a feasible embodiment, overpass attribute includes: in front of the reception
Receive front overpass attribute when away from overpass entrance distance be first distance.
In a feasible embodiment, the acquisition ground line gradient information includes:
It is described acquisition ground grade information acquisition distance be second distance, the second distance be greater than described first away from
From.
In a feasible embodiment, ground grade information is acquired, also are as follows:
A bit, the distance of storage calibration point to vehicle present position is third distance for calibration.
In a feasible embodiment, judge whether vehicle enters overpass row based on the ground line gradient information
It sails, if so, vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass,
Also are as follows:
The distance that acquisition vehicle driving to calibration point position is travelled is the 4th distance；
The section gradient is calculated according to the third distance and the 4th distance；
The section gradient is compared with the gradient threshold value；
If the section gradient is greater than gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient is less than
Equal to gradient threshold value, then vehicle driving situation is still to travel in straight section.
In a feasible embodiment, the straight road speed-limiting messages and the overpass speed-limiting messages are default
Information.
On the other hand the present embodiment provides a kind of overpass speed limit value suggestion device, described device includes:
Information receiving module is for receiving front overpass attribute；
For information acquisition module for acquiring ground grade information, the information acquisition module can be camera；
First judgment module is used to judge based on the ground line gradient information whether vehicle to enter overpass and travel, if so,
Then vehicle present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass；
Second judgment module is for obtaining straight road speed-limiting messages and overpass speed-limiting messages, with the current road of the vehicle
Road attribute, which is compared, obtains present road speed-limiting messages, if vehicle present road attribute is overpass, present road speed limit
Information is overpass speed-limiting messages, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages
For straight road speed-limiting messages；
The information receiving module, first judgment module and the second judgment module can form speed-limiting messages system for prompting.
Display module is for showing that the present road speed-limiting messages, the display module can be instrument board.
This specification embodiment additionally provides a kind of storage medium, and the storage medium may be disposed among terminal to save
For realizing relevant at least one instruction of overpass speed limit value reminding method a kind of in embodiment of the method, an at least Duan Chengxu,
Code set or instruction set, at least one instruction, an at least Duan Chengxu, the code set or the instruction set are loaded simultaneously by the processor
Execute the overpass speed limit value reminding method to realize above method embodiment offer.
Optionally, in this specification embodiment, storage medium can be located at multiple network servers of computer network
In at least one network server.Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to: USB flash disk,
ROM (Read-Only Memory, read-only memory), it RAM (Random Access Memory, random access memory), moves
The various media that can store program code such as dynamic hard disk, magnetic or disk.
Memory described in this specification embodiment can be used for storing software program and module, and processor passes through operation storage
In the software program and module of memory, thereby executing various function application and data processing.Memory can mainly include
Storing program area and storage data area, wherein storing program area can application program needed for storage program area, function etc.；It deposits
Storage data field, which can be stored, uses created data etc. according to the equipment.In addition, memory may include that high speed is deposited at random
Access to memory, can also include nonvolatile memory, a for example, at least disk memory, flush memory device or other easily
The property lost solid-state memory.Correspondingly, memory can also include Memory Controller, to provide visit of the processor to memory
It asks.
A kind of working principle and process of overpass speed limit value reminding method and device:
Current speed-limiting messages prompting function mostly uses camera and electronic map data to merge, reminds driver current
Road speed-limiting messages.Wherein, the speed-limiting messages that electronic map is sent refer mainly to electronic eyes speed-limiting messages.The electricity that electronic map is sent
Sub- eye speed-limiting messages, electronic eyes speed limit photographing device when from mapping, electronic map are based on current vehicle positioning letter
Breath, is sent to speed-limiting messages system for prompting for the associated electrical eye speed limit being stored therein, speed-limiting messages is informed driver, but
Be that following situation is easy to appear due to the position inaccurate of electronic map: for 1. vehicle drivings on overhead, speed-limiting messages remind system
System will be overhead under electronic eyes speed limit be shown to driver；2. vehicle driving, under overhead, speed-limiting messages system for prompting will be overhead
On electronic eyes speed limit be shown to driver.
In the present embodiment, what is provided avoids overpass electronic eyes speed limit misrecognition side based on electronic map and camera
Case shifts to an earlier date a distance d1 using electronic map backstage and sends front overpass attribute information, speed-limiting messages system for prompting pair
The overpass attribute information is remembered, and remembers distance for d2, and d2 > d1, wherein the road attribute information refers to electricity
The uniquely tagged for a certain section of road being stored therein when sub- mapping.
When vehicle reaches overpass entrance, vehicle arrived overpass and enters by electronic map according to location information
The information of mouth is sent to speed-limiting messages system for prompting.After speed-limiting messages system for prompting receives overpass access information, start to count
Calculate vehicle actual distance traveled.When vehicle actual distance traveled d4 reaches the position demarcated in advance, speed-limiting messages system for prompting
According to navigator fix information, the distance d3 that vehicle is run in electronic map is calculated.Later, speed-limiting messages system for prompting root
Road grade β is calculated according to formula β=arccos (d3/d4), when the calculated gradient β of speed-limiting messages system for prompting is greater than gradient threshold
When value α, speed-limiting messages system for prompting determines that vehicle enters overpass.Later, speed-limiting messages system for prompting passes through comparison vehicle
Road attribute where the road attribute and electronic eyes speed limit of actual travel road, judges whether the electronic eyes speed limit being currently received is made
For current lane, if belonging to, speed-limiting messages system for prompting shows the electronic eyes speed limit to driver；If being not belonging to, limit
Fast information prompting system is driver's intelligent filtering speed limit.
The invention has the following beneficial effects:
1. the present invention do not increased in hardware aspect, but compared to the prior art for, be capable of providing subject to more
True speed-limiting messages are reminded, and the driving experience of driver is optimized, while also having saved cost relatively.
2. present invention employs information acquisition module and navigation module data fusion, before capable of accurately being provided to driver
Fang Daolu speed-limiting messages avoid the case where speed-limiting messages are reported by mistake, optimize the driving experience of driver.
3. preventing the mould that individually navigates present invention employs information acquisition module, navigation module and speed-limiting messages reminding module
Block position inaccurate will be shown to driver with the incongruent speed-limiting messages of present road, and influence the driving experience of driver, very
As for security risk is caused, so that driving conditions are safer.
4. the road speed-limiting messages in front section are shown on the display module present invention employs display module, so that
Driver can clearly see the speed-limiting messages of road ahead, so that driving is safer, driving experience is more excellent.
Upper disclosed several preferred embodiments only of the invention, cannot limit the power of the present invention certainly with this
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of overpass speed limit value reminding method, which is characterized in that the overpass speed limit value reminding method includes:
Receive front overpass attribute；
Acquire ground grade information；
Judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle present road attribute is
Overpass, if it is not, then vehicle present road attribute is straight road under overpass；
Straight road speed-limiting messages and overpass speed-limiting messages are obtained, is compared and is worked as with the vehicle present road attribute
Preceding road speed-limiting messages, if vehicle present road attribute is overpass, present road speed-limiting messages are overpass speed-limiting messages,
If vehicle present road attribute is straight road under overpass, present road speed-limiting messages are straight road speed-limiting messages；
Show the present road speed-limiting messages.
2. overpass speed limit value reminding method according to claim 1, which is characterized in that overpass in front of the reception
Attribute includes:
Receive front overpass attribute when away from overpass entrance distance be first distance.
3. overpass speed limit value reminding method according to claim 2, which is characterized in that the acquisition ground line gradient information
Include:
The acquisition distance of the acquisition ground grade information is second distance, and the second distance is greater than the first distance.
4. overpass speed limit value reminding method according to claim 1, which is characterized in that the acquisition ground line gradient letter
Breath, comprising:
It acquires the lane line information of running section and is compared with preset lane line reference information, obtain locating running section
The gradient.
5. overpass speed limit value reminding method according to claim 4, which is characterized in that be based on the ground line gradient information
Judge whether vehicle enters overpass traveling, if so, vehicle present road attribute is overpass, if it is not, the then current road of vehicle
Road attribute is straight road under overpass, comprising:
Receive the grade information in the locating section；
The locating section grade information is compared with preset gradient threshold value；
If the section gradient is more than or equal to gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient is less than
Gradient threshold value, then vehicle driving situation is still to travel in straight section.
6. overpass speed limit value reminding method according to claim 1, which is characterized in that acquisition ground grade information, also
Are as follows:
A bit, the distance of storage calibration point to vehicle present position is third distance for calibration.
7. overpass speed limit value reminding method according to claim 6, which is characterized in that be based on the ground line gradient information
Judge whether vehicle enters overpass traveling, if so, vehicle present road attribute is overpass, if it is not, the then current road of vehicle
Road attribute is straight road under overpass, also are as follows:
The distance that acquisition vehicle driving to calibration point position is travelled is the 4th distance；
The section gradient is calculated according to the third distance and the 4th distance；
The section gradient is compared with the gradient threshold value；
If the section gradient is greater than gradient threshold value, vehicle driving situation is to travel into overpass, if the section gradient is less than or equal to
Gradient threshold value, then vehicle driving situation is still to travel in straight section.
8. overpass speed limit value reminding method according to claim 1, which is characterized in that the straight road speed-limiting messages
It is presupposed information with the overpass speed-limiting messages.
9. a kind of overpass speed limit value suggestion device, which is characterized in that described device includes:
Information receiving module is for receiving front overpass attribute；
Information acquisition module is for acquiring ground grade information；
First judgment module is used to judge whether vehicle enters overpass traveling based on the ground line gradient information, if so, vehicle
Present road attribute is overpass, if it is not, then vehicle present road attribute is straight road under overpass；
Second judgment module is for obtaining straight road speed-limiting messages and overpass speed-limiting messages, with the vehicle present road category
Property be compared obtain present road speed-limiting messages, if vehicle present road attribute be overpass, present road speed-limiting messages
For overpass speed-limiting messages, if vehicle present road attribute is straight road under overpass, present road speed-limiting messages are flat
Straight way road speed-limiting messages；
Display module is for showing the present road speed-limiting messages.
10. a kind of computer readable storage medium, which is characterized in that be stored at least one instruction, extremely in the storage medium
A few Duan Chengxu, code set or instruction set, at least one instruction, an at least Duan Chengxu, the code set or instruction
Collection is loaded by processor and is executed to realize overpass speed limit value reminding method a method as claimed in any one of claims 1-8.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622618A (en) * | 2020-12-22 | 2021-04-09 | 上海钧正网络科技有限公司 | Electric vehicle speed limiting device, method, electric vehicle and computer readable storage medium |
| CN114056345A (en) * | 2021-12-23 | 2022-02-18 | 西安易朴通讯技术有限公司 | Safe driving prompting method and device, electronic equipment and storage medium |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388028A (en) * | 2001-05-25 | 2003-01-01 | 现代自动车株式会社 | Method for sampling to road information using vehicle-carrying camera and detecting for spaces of vehicles |
| CN1702431A (en) * | 2004-05-24 | 2005-11-30 | 上海大唐天易通信导航技术有限公司 | Automobile autonomous navigation terminal and method thereof for judging whether the automobile is running on an elevated road |
| CN102089196A (en) * | 2008-03-27 | 2011-06-08 | 丰田自动车株式会社 | Gradient information calculating system, vehicle running control system, navigation system, and gradient information calculating method |
| CN103050013A (en) * | 2012-11-29 | 2013-04-17 | 江苏鸿信系统集成有限公司 | Vehicle grading speed-limiting monitoring method and device based on Internet of vehicles technology |
| JP2015024675A (en) * | 2013-07-24 | 2015-02-05 | 日産自動車株式会社 | Vehicle speed display device |
| CN106643757A (en) * | 2015-10-30 | 2017-05-10 | 中国电信股份有限公司 | Method and device for judging whether vehicle goes on or off ramp |
| CN108470459A (en) * | 2018-03-28 | 2018-08-31 | 吉利汽车研究院（宁波）有限公司 | Ring road speed limit suggestion device and method |
| CN109552336A (en) * | 2017-09-26 | 2019-04-02 | 罗伯特·博世有限公司 | Method for obtaining the gradient in lane |
| CN109564098A (en) * | 2016-07-26 | 2019-04-02 | 日产自动车株式会社 | Self-position estimates method and self-position estimating device |
-
2019
- 2019-06-03 CN CN201910476170.XA patent/CN110473417A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388028A (en) * | 2001-05-25 | 2003-01-01 | 现代自动车株式会社 | Method for sampling to road information using vehicle-carrying camera and detecting for spaces of vehicles |
| CN1702431A (en) * | 2004-05-24 | 2005-11-30 | 上海大唐天易通信导航技术有限公司 | Automobile autonomous navigation terminal and method thereof for judging whether the automobile is running on an elevated road |
| CN102089196A (en) * | 2008-03-27 | 2011-06-08 | 丰田自动车株式会社 | Gradient information calculating system, vehicle running control system, navigation system, and gradient information calculating method |
| CN103050013A (en) * | 2012-11-29 | 2013-04-17 | 江苏鸿信系统集成有限公司 | Vehicle grading speed-limiting monitoring method and device based on Internet of vehicles technology |
| JP2015024675A (en) * | 2013-07-24 | 2015-02-05 | 日産自動車株式会社 | Vehicle speed display device |
| CN106643757A (en) * | 2015-10-30 | 2017-05-10 | 中国电信股份有限公司 | Method and device for judging whether vehicle goes on or off ramp |
| CN109564098A (en) * | 2016-07-26 | 2019-04-02 | 日产自动车株式会社 | Self-position estimates method and self-position estimating device |
| CN109552336A (en) * | 2017-09-26 | 2019-04-02 | 罗伯特·博世有限公司 | Method for obtaining the gradient in lane |
| CN108470459A (en) * | 2018-03-28 | 2018-08-31 | 吉利汽车研究院（宁波）有限公司 | Ring road speed limit suggestion device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622618A (en) * | 2020-12-22 | 2021-04-09 | 上海钧正网络科技有限公司 | Electric vehicle speed limiting device, method, electric vehicle and computer readable storage medium |
| CN114056345A (en) * | 2021-12-23 | 2022-02-18 | 西安易朴通讯技术有限公司 | Safe driving prompting method and device, electronic equipment and storage medium |
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Application publication date: 20191119 |