CN109552329A - Constant speed of vehicle cruise method, device and storage medium - Google Patents
Constant speed of vehicle cruise method, device and storage medium Download PDFInfo
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- CN109552329A CN109552329A CN201811605318.7A CN201811605318A CN109552329A CN 109552329 A CN109552329 A CN 109552329A CN 201811605318 A CN201811605318 A CN 201811605318A CN 109552329 A CN109552329 A CN 109552329A
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- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/14—Adaptive cruise control
- B60W30/143—Speed control
- B60W30/146—Speed limiting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/10—Longitudinal speed
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Controls For Constant Speed Travelling (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The embodiment of the invention discloses a kind of constant speed of vehicle cruise method, device and storage mediums, this method comprises: obtaining the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；If the difference of current vehicle speed and speed limit speed exceeds allowable fluctuation range, current vehicle speed is adjusted to speed limit speed automatically.It solves the lower technical problem of the safety of the constant speed of vehicle cruise method of the prior art, has reached the technical effect for improving the safety of constant speed of vehicle cruise.
Description
Technical field
The present embodiments relate to field of vehicle control more particularly to a kind of constant speed of vehicle cruise methods, device and storage
Medium.
Background technique
Existing vehicle usually has the function of constant speed continuation of the journey, which can make vehicle on flat road, certainly with pre-set velocity
Dynamic traveling, steps on the gas without user；In vehicle driving up road, meeting adjust automatically speed makes it unanimously be maintained at pre-set velocity
Traveling；When the vehicle goes downhill, when the gradient is more than default gradient threshold value, vehicle tends not to restricted speed, i.e. speed can be rapid
It improving, risk is larger, and user's tape braking is generally required at this time and carrys out restricted speed, but is once braked, cruise mode
It is just automatically closed, user is needed to reset, it is very troublesome.
To sum up, the safety of the vehicle timing cruise method of the prior art is lower.
Summary of the invention
The embodiment of the invention provides a kind of constant speed of vehicle cruise method, device and storage mediums, solve the prior art
Constant speed of vehicle cruise method the lower technical problem of safety, to improve the safety of constant speed of vehicle cruise.
In a first aspect, the embodiment of the invention provides a kind of constant speed of vehicle cruise methods, comprising:
Obtain the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；
If the difference of the current vehicle speed and the speed limit speed exceeds the allowable fluctuation range, automatically will be current
Speed is adjusted to the speed limit speed.
Further, the speed limit speed and allowable fluctuation range for obtaining vehicle, comprising:
It obtains user and passes through key or the speed limit speed and allowable fluctuation range of touch screen input.
Further, the speed limit speed for obtaining vehicle and allowable fluctuation range include:
Obtain the speed limit speed of vehicle；
According to the corresponding relationship of the speed limit speed and pre-stored speed limit speed and allowable fluctuation range, determining allows
Fluctuation range.
Further, the speed limit speed for obtaining vehicle includes:
The current location of vehicle is obtained by GPS；
Speed limit speed is determined according to the current location.
Further, it is described while determine speed limit speed according to the current location or later, further includes:
Road type is determined according to the current location, and speed limit mode is determined according to the road type；
Correspondingly, according to the corresponding relationship of the speed limit speed and pre-stored speed limit speed and allowable fluctuation range,
Determine that allowable fluctuation range includes:
According to the speed limit speed under the speed limit speed, the speed limit mode and pre-stored speed limit mode and allow wave
The corresponding relationship of dynamic range, determines allowable fluctuation range.
Further, if the difference of the current vehicle speed and the speed limit speed exceeds the allowable fluctuation range,
Then current vehicle speed is adjusted to the speed limit speed automatically, comprising:
It, will if the difference of the current vehicle speed and the speed limit speed is greater than the upper limit value of the allowable fluctuation range
Current vehicle speed is reduced to the speed limit speed；
It, will if the difference of the current vehicle speed and the speed limit speed is less than the lower limit value of the allowable fluctuation range
The speed limit speed is adjusted in current vehicle speed.
Further, further includes:
Obtain vehicle distances front obstacle spacing distance and current speed limit speed it is corresponding it is default remind away from
From；
Prompting message is exported if the spacing distance is less than or equal to the default prompting distance.
Second aspect, the embodiment of the invention also provides a kind of vehicle constant-speed cruise devices, comprising:
Module is obtained, for obtaining the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；
Module is adjusted, if allowing to fluctuate model beyond described for the difference of the current vehicle speed and the speed limit speed
It encloses, then automatically adjusts current vehicle speed to the speed limit speed.
It further, further include reminding module；
The reminding module be used for obtain vehicle distances front obstacle spacing distance and current speed limit speed pair
The default prompting distance answered；If the spacing distance is less than or equal to the default prompting distance, prompting message is exported.
The third aspect, it is described the embodiment of the invention also provides a kind of storage medium comprising computer executable instructions
Computer executable instructions as computer processor when being executed for executing constant speed of vehicle cruise method described in first aspect.
The technical solution of constant speed of vehicle cruise provided in an embodiment of the present invention, comprising: obtain the current vehicle speed of vehicle, speed limit
Speed and allowable fluctuation range；If the difference of current vehicle speed and speed limit speed exceeds allowable fluctuation range, automatically will be current
Speed is adjusted to speed limit speed.Automatic monitoring speed, and when the fluctuation size of speed exceeds allowable fluctuation range, automatically by vehicle
Velocity modulation is whole to speed limit speed, compared to the prior art, safety with higher.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing does one and simply introduces, it should be apparent that, drawings in the following description are some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the flow chart for the constant speed of vehicle cruise method that the embodiment of the present invention one provides；
Fig. 2 is the structural block diagram of vehicle constant-speed cruise device provided by Embodiment 2 of the present invention；
Fig. 3 is the structural block diagram of another vehicle constant-speed cruise device provided by Embodiment 2 of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, hereinafter with reference to attached in the embodiment of the present invention
Figure, clearly and completely describes technical solution of the present invention by embodiment, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is the flow chart for the constant speed of vehicle cruise method that the embodiment of the present invention one provides.The technical solution of the present embodiment
The case where suitable under constant speed of vehicle cruise mode, speed is maintained at speed limit speed.This method can be implemented by the present invention
The vehicle constant-speed cruise device that example provides executes, which can realize using software and/or hardware by the way of, and configuration exists
It is applied in processor.This method specifically comprises the following steps:
S101, the current vehicle speed for obtaining vehicle, speed limit speed and allowable fluctuation range.
When starting the cruise mode of vehicle, it usually needs speed limit speed and allowable fluctuation range are obtained, so that vehicle
With speed limit speed traveling, and when road conditions change, speed variation cannot exceed allowable fluctuation range.
In user when starting cruise mode, it usually needs input speed limit speed and permission wave with device is commonly entered
Dynamic range, such as key or touch screen.Certainly, user can also first be arranged and store pair of speed limit speed and allowable fluctuation range
It should be related to, in this way when user starts cruise mode, as long as input or selection speed limit speed, vehicle can be according to the speed limit
The corresponding relationship of speed and speed limit speed and allowable fluctuation range determines allowable fluctuation range.
The acquisition module of the present embodiment further includes voice recognition unit, for receiving the voice wake-up signal of user's input,
I.e. according to the voice wake-up signal of user automatically into cruise mode, the voice signal comprising speed limit speed is then received,
And the cruise mode of the speed limit speed is enabled according to the voice signal.It is understood that if user wants to exit vehicle
Cruise mode closes the mode without by service brake it is not necessary that the mode is turned off manually, as long as saying closing cruise
Mode can greatly improve the convenience that cruise mode uses.
It is understood that needing to consider the permitted vehicle of road conditions when using cruise function setting speed limit speed
Speed.Therefore the present embodiment also passes through the current location that vehicle GPS module obtains vehicle, then determines speed limit vehicle according to current location
Speed, then according to speed limit speed, and the corresponding relationship determination of pre-stored speed limit speed and allowable fluctuation range allows to fluctuate
Range.
In order to improve the safety of cruise, the allowable fluctuation range of the present embodiment in addition to speed limit speed mutually outside the Pass,
Different speed limit modes is provided with also according to road conditions, different speed limit modes corresponds to different grades of allowable fluctuation range, wherein
Speed limit mode has flat road, hill path etc..The limited fast mode of the vehicle storage of the present embodiment, speed limit speed and allow to fluctuate thus
The corresponding relationship of range.At this point, vehicle determines current speed limit speed and road conditions according to GPS, and speed limit mould is determined according to road conditions
Formula, and then according to the corresponding allowable fluctuation range of speed limit speed under speed limit speed, current speed limit mode.
In view of the speed limit speed according to determined by current location, the usually permitted maximum speed limit vehicle in current location
Speed.In order to meet the needs of different users, the cruise mode of the present embodiment also receives speed correction value, if current location
Permitted maximum speed limit speed is M, and the speed correction value of user's input is N, then revised speed limit speed is M-N.
If the difference of S102, current vehicle speed and speed limit speed exceeds allowable fluctuation range, automatically by current vehicle speed tune
It is whole to speed limit speed.
If the difference of current vehicle speed and speed limit speed is greater than the upper limit value of allowable fluctuation range, current vehicle speed is reduced
To speed limit speed；If the difference of current vehicle speed and speed limit speed is less than the lower limit value of allowable fluctuation range, by current vehicle speed
On be adjusted to speed limit speed.
If vehicle is currently at slow descending, due to engine, the resistance of gearbox itself, speed can be maintained at speed limit vehicle
Allowable fluctuation range near speed；If vehicle is in sharp decline, due to gravity, speed be will increase, when speed reaches fair
Perhaps when the upper limit value of fluctuation range, control vehicle is automatically stopped throttle and triggers brake mechanism, and speed fluctuation is made to be maintained at permission
In fluctuation range.
Preferably, the present embodiment also obtain vehicle distances front obstacle spacing distance and current speed limit speed
Corresponding default prompting distance；It is less than or equal to default remind if spacing distance and exports prompting message if.The present embodiment
Default prompting distance it is related to speed, therefore speed and the default corresponding relationship for reminding distance are stored in advance in depositing for vehicle
In storage device.In vehicle travel process, determined according to speed limit speed and speed limit speed and the default corresponding relationship for reminding distance
It is default to remind distance, when radar detection to the spacing distance between vehicle and front obstacle be less than it is default remind apart from when, certainly
Dynamic output prompting message.Wherein, prompting message is preferably sound prompting information, so that user pays attention to vehicle and front obstacle
Between spacing distance.
The technical solution of constant speed of vehicle cruise provided in an embodiment of the present invention, comprising: obtain the current vehicle speed of vehicle, speed limit
Speed and allowable fluctuation range；If the difference of current vehicle speed and speed limit speed exceeds allowable fluctuation range, automatically will be current
Speed is adjusted to speed limit speed.Automatic monitoring speed, and when the fluctuation size of speed exceeds allowable fluctuation range, automatically by vehicle
Velocity modulation is whole to speed limit speed, compared to the prior art, safety with higher.
Embodiment two
Fig. 2 is the structural block diagram of vehicle constant-speed cruise device provided by Embodiment 2 of the present invention.The device is for executing
Constant speed of vehicle cruise method provided by any embodiment is stated, which is chosen as software or hardware realization.The device packet
It includes:
Module 11 is obtained, for obtaining the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；
Module 12 is adjusted, if allowing to fluctuate model beyond described for the difference of the current vehicle speed and the speed limit speed
It encloses, then automatically adjusts current vehicle speed to the speed limit speed.
When starting the cruise mode of vehicle, it usually needs speed limit speed and allowable fluctuation range are obtained, so that vehicle
With speed limit speed traveling, and when road conditions change, speed variation cannot exceed allowable fluctuation range.
In user when starting cruise mode, it usually needs obtain speed limit speed by obtaining module and allow to fluctuate
Range, such as key or touch screen.Certainly, the corresponding relationship of speed limit speed and allowable fluctuation range can also be first arranged in user,
In this way user start cruise mode when, as long as input or selection speed limit speed, vehicle can according to the speed limit speed with
And the corresponding relationship of speed limit speed and allowable fluctuation range determines allowable fluctuation range.
It is understood that needing to consider that road conditions allow speed when using cruise function setting speed limit speed.Cause
This present embodiment also passes through the current location that vehicle GPS module obtains vehicle, then determines speed limit speed according to current location, so
Afterwards according to speed limit speed, and the corresponding relationship of pre-stored speed limit speed and allowable fluctuation range determines allowable fluctuation range.
In order to improve the safety of cruise, the allowable fluctuation range of the present embodiment in addition to speed limit speed mutually outside the Pass,
Different speed limit modes is provided with also according to road conditions, different speed limit modes corresponds to different grades of allowable fluctuation range, wherein
Speed limit mode has flat road, hill path etc..The limited fast mode of the vehicle storage of the present embodiment, speed limit speed and allow to fluctuate thus
The corresponding relationship of range.At this point, vehicle determines current speed limit speed and road conditions according to GPS, and speed limit mould is determined according to road conditions
Formula, and then according to the corresponding allowable fluctuation range of speed limit speed under speed limit speed, current speed limit mode.
In view of the speed limit speed according to determined by current location, the usually permitted maximum speed limit vehicle in current location
Speed.In order to meet the needs of different users, the cruise mode of the present embodiment also receives speed correction value, if current location
Permitted maximum speed limit speed is M, and the speed correction value of user's input is N, then revised speed limit speed is M-N.
Wherein, adjustment module is specifically used for: if the difference of current vehicle speed and speed limit speed is greater than allowable fluctuation range
Current vehicle speed is then reduced to speed limit speed by upper limit value；If the difference of current vehicle speed and speed limit speed, which is less than, to be allowed to fluctuate model
The lower limit value enclosed will then be adjusted to speed limit speed in current vehicle speed.Further, if vehicle is currently at slow descending, due to starting
The resistance of machine, gearbox itself, speed can be maintained at the allowable fluctuation range near speed limit speed；Under if vehicle is in steep
Slope, due to gravity, speed be will increase, and when speed reaches the upper limit value of allowable fluctuation range, control vehicle is automatically stopped
Throttle simultaneously triggers brake mechanism, is maintained at speed fluctuation in allowable fluctuation range.
Preferably, as shown in figure 3, the present embodiment further includes reminding module 13.Module 11 is wherein obtained to be also used to obtain vehicle
Spacing distance apart from front obstacle；Reminding module 13 is used for according to current speed limit speed and current speed limit speed
Corresponding relationship between pre-stored default prompting distance determines default prompting distance；If spacing distance is less than or described pre-
If distance is reminded then to export prompting message.It is understood that the default prompting distance of the present embodiment is related to speed, therefore will
Speed and the default corresponding relationship for reminding distance are stored in advance in the storage device of vehicle.In vehicle travel process, according to limit
Fast speed and speed limit speed and the default corresponding relationship for reminding distance determine it is default remind distance, when radar detection to vehicle and
Spacing distance between front obstacle be less than it is default remind apart from when, export prompting message automatically.Wherein, prompting message is excellent
It is selected as sound prompting information, so that user pays attention to the spacing distance between vehicle and front obstacle.
The acquisition module of the present embodiment further includes voice recognition unit, for receiving the voice wake-up signal of user's input,
I.e. according to the voice wake-up signal of user automatically into cruise mode, the voice signal comprising speed limit speed is then received,
And the cruise mode of the speed limit speed is enabled according to the voice signal.It is understood that if user wants to exit vehicle
Cruise mode closes the mode without by service brake it is not necessary that the mode is turned off manually, as long as saying closing cruise
Mode, can the convenience that uses of cruise mode significantly.
The technical solution of constant speed of vehicle cruise provided in an embodiment of the present invention, including module and adjustment module are obtained, it obtains
Module is used to obtain the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；If adjust module for current vehicle speed with
The difference of speed limit speed exceeds allowable fluctuation range, then automatically adjusts current vehicle speed to speed limit speed.Automatic monitoring speed, and
When the fluctuation size of speed exceeds allowable fluctuation range, speed is adjusted to speed limit speed, compared to the prior art, tool automatically
There is higher safety.
Vehicle provided by any embodiment of the invention can be performed in vehicle constant-speed cruise device provided by the embodiment of the present invention
Constant speed cruising method, has the corresponding functional module of execution method and beneficial effect.
Embodiment three
The embodiment of the present invention three also provides a kind of storage medium comprising computer executable instructions, and the computer can be held
Row instruction is used to execute a kind of constant speed of vehicle cruise method when being executed by computer processor, this method comprises:
Obtain the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；
If the difference of the current vehicle speed and the speed limit speed exceeds the allowable fluctuation range, automatically will be current
Speed is adjusted to the speed limit speed.
Certainly, a kind of storage medium comprising computer executable instructions, computer provided by the embodiment of the present invention
The method operation that executable instruction is not limited to the described above, can also be performed constant speed of vehicle provided by any embodiment of the invention
Relevant operation in cruise method.
By the description above with respect to embodiment, it is apparent to those skilled in the art that, the present invention
It can be realized by software and required common hardware, naturally it is also possible to which by hardware realization, but in many cases, the former is more
Good embodiment.Based on this understanding, technical solution of the present invention substantially in other words contributes to the prior art
Part can be embodied in the form of software products, which can store in computer readable storage medium
In, floppy disk, read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random such as computer
Access Memory, abbreviation RAM), flash memory (FLASH), hard disk or CD etc., including some instructions are used so that a calculating
Machine equipment (can be personal computer, server or the network equipment etc.) executes vehicle described in each embodiment of the present invention
Constant speed cruising method.
It is worth noting that, included each unit and module are only in the embodiment of above-mentioned vehicle constant-speed cruise device
It is to be divided according to the functional logic, but be not limited to the above division, as long as corresponding functions can be realized；Separately
Outside, the specific name of each functional unit is also only for convenience of distinguishing each other, the protection scope being not intended to restrict the invention.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of constant speed of vehicle cruise method characterized by comprising
Obtain current vehicle speed, speed limit speed and the allowable fluctuation range of vehicle；
If the difference of the current vehicle speed and the speed limit speed exceeds the allowable fluctuation range, automatically by current vehicle speed
It adjusts to the speed limit speed.
2. being wrapped the method according to claim 1, wherein obtaining the speed limit speed and allowable fluctuation range of vehicle
It includes:
It obtains user and passes through key or the speed limit speed and allowable fluctuation range of touch screen input.
3. the method according to claim 1, wherein obtaining the speed limit speed and allowable fluctuation range packet of vehicle
It includes:
Obtain the speed limit speed of vehicle；
According to the corresponding relationship of the speed limit speed and pre-stored speed limit speed and allowable fluctuation range, determination allows to fluctuate
Range.
4. according to the method described in claim 3, it is characterized in that, the speed limit speed for obtaining vehicle includes:
The current location of vehicle is obtained by GPS；
Speed limit speed is determined according to the current location.
5. according to the method described in claim 4, it is characterized in that, described determine the same of speed limit speed according to the current location
When or later, further includes:
Road type is determined according to the current location, and speed limit mode is determined according to the road type；
Correspondingly, being determined according to the corresponding relationship of the speed limit speed and pre-stored speed limit speed and allowable fluctuation range
Allowable fluctuation range includes:
According to the speed limit speed under the speed limit speed, the speed limit mode and pre-stored speed limit mode and allow to fluctuate model
The corresponding relationship enclosed, determines allowable fluctuation range.
6. if the method according to claim 1, wherein the current vehicle speed and the speed limit speed
Difference exceeds the allowable fluctuation range, then automatically adjusts current vehicle speed to the speed limit speed, comprising:
If the difference of the current vehicle speed and the speed limit speed is greater than the upper limit value of the allowable fluctuation range, will be current
Speed is reduced to the speed limit speed；
If the difference of the current vehicle speed and the speed limit speed is less than the lower limit value of the allowable fluctuation range, will be current
The speed limit speed is adjusted in speed.
7. the method according to claim 1, wherein further include:
The spacing distance of acquisition vehicle distances front obstacle and the current corresponding default prompting distance of speed limit speed；
Prompting message is exported if the spacing distance is less than or equal to the default prompting distance.
8. a kind of vehicle constant-speed cruise device characterized by comprising
Module is obtained, for obtaining the current vehicle speed of vehicle, speed limit speed and allowable fluctuation range；
Module is adjusted, if exceeding the allowable fluctuation range for the difference of the current vehicle speed and the speed limit speed,
Automatically current vehicle speed is adjusted to the speed limit speed.
9. device according to claim 8, which is characterized in that further include reminding module:
The spacing distance for obtaining module and being also used to obtain vehicle distances front obstacle；
The reminding module is used for according between current speed limit speed and speed limit speed and pre-stored default prompting distance
Corresponding relationship determines the corresponding default prompting distance of current speed limit speed；If the spacing distance is less than or equal to described
It is default to remind distance, then export prompting message.
10. a kind of storage medium comprising computer executable instructions, which is characterized in that the computer executable instructions by
For executing the constant speed of vehicle cruise method as described in any in claim 1-7 when computer processor executes.
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| CN201811605318.7A CN109552329A (en) | 2018-12-26 | 2018-12-26 | Constant speed of vehicle cruise method, device and storage medium |
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| CN110356398A (en) * | 2019-07-24 | 2019-10-22 | 重庆长安汽车股份有限公司 | A kind of speed method of adjustment, device, controller and automobile |
| CN112896138A (en) * | 2019-11-19 | 2021-06-04 | 北京车和家信息技术有限公司 | Vehicle speed limiting method and device and vehicle |
| CN113353075A (en) * | 2021-07-09 | 2021-09-07 | 浙江吉利控股集团有限公司 | Method, system and equipment for vehicle cruise at constant speed and storage medium thereof |
| CN113492852A (en) * | 2020-03-18 | 2021-10-12 | 华为技术有限公司 | Vehicle cruise control method and device |
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