CN104422456A - Navigation method, navigation device and navigation system - Google Patents
Navigation method, navigation device and navigation system Download PDFInfo
- Publication number
- CN104422456A CN104422456A CN201310382961.9A CN201310382961A CN104422456A CN 104422456 A CN104422456 A CN 104422456A CN 201310382961 A CN201310382961 A CN 201310382961A CN 104422456 A CN104422456 A CN 104422456A
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- China
- Prior art keywords
- service area
- next service
- judging
- electricity
- predetermined condition
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3469—Fuel consumption; Energy use; Emission aspects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3476—Special cost functions, i.e. other than distance or default speed limit of road segments using point of interest [POI] information, e.g. a route passing visible POIs
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The invention discloses a navigation method, a navigation device and a navigation system. The method comprises the following steps: judging if a service area exists within a certain front distance; when the service area exists, searching the next service area; judging whether the condition for reaching the next service area meets the predetermined condition; and if so, reminding a user of parking in the front service area. The navigation method, the navigation device and the navigation system can actively remind the user of parking in the front service area when the condition for reaching the next service area meets the predetermined condition, and then the inconvenience caused by an overlong distance interval to the next service area can be avoided.
Description
Technical field
The present invention relates to airmanship, particularly relate to a kind of air navigation aid, device and navigational system.
Background technology
Along with the development of auto industry, the recoverable amount of automobile increases fast, and increasing user brings into use onboard navigation system.
Current navigational system normally provides navigation way according to the destination of user's input, guides user to drive according to this navigation way.In addition, some navigational system may provide the point of interest (POI, Point of Interest) of navigation way periphery, with for reference.
Because user needs to be absorbed in drive, usually have no time to do too much concern to point of interest, usually also just cannot make corresponding judgement.Particularly when turnpike driving, some task interval, every comparatively far away, if do not stopped at front service area, then need to arrive next service area for a long time and has a rest, bring inconvenience to user.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of air navigation aid, device and navigational system, active warning user can stop at front service area when the condition of the next service area of arrival meet predetermined condition, avoid the excessive inconvenience caused in interval of next service area distance.
For solving the problems of the technologies described above, the invention provides a kind of air navigation aid, for driving a vehicle on a highway, comprising:
Judge whether have service area in the certain distance of front;
When there is service area in front, then search for next service area;
Judge whether the condition arriving next service area meets predetermined condition;
If meet predetermined condition, then the service area of user in described front is pointed out to stop.
Whether according to one embodiment of present invention, describedly judge whether have service area in the certain distance of front, be containing service area in the attribute of the road judging front certain distance.
According to one embodiment of present invention, the next service area of described search is that the guidance path selected according to user is searched for.
According to one embodiment of present invention, the next service area of described search searches for according to the travel direction of vehicle.
According to one embodiment of present invention, describedly judge whether the condition arriving next service area meets predetermined condition, comprise and judge that the estimated time arriving next service area adds whether running time is greater than safe driving time threshold.
According to one embodiment of present invention, describedly judge whether the condition arriving next service area meets predetermined condition, comprise and judge to arrive oil mass or electricity needed for next service area and whether be not less than Fuel Oil Remaining or electricity.
Present invention also offers a kind of guider, for driving a vehicle on a highway, comprising:
First judge module, for judging whether have service area in the certain distance of front;
Search module, when there is service area in front, then searches for next service area;
Second judge module, for judging whether the condition arriving next service area meets predetermined condition;
Reminding module, if meet predetermined condition, then points out the service area of user in described front to stop.
According to one embodiment of present invention, whether described first judge module judges in the attribute of the road of front certain distance containing service area.
According to one embodiment of present invention, the guidance path that described search module is selected according to user is searched for.
According to one embodiment of present invention, described search module is searched for according to the travel direction of vehicle.
According to one embodiment of present invention, described second judge module comprises;
Computing unit, for calculating the estimated time arriving next service area;
Judging unit, the estimated time for judging to arrive next service area adds whether running time is greater than safe driving time threshold.
According to one embodiment of present invention, described second judge module comprises:
Computing unit, arrives oil mass needed for next service area or electricity for calculating;
Judging unit, for judging to arrive oil mass needed for next service area or whether electricity is not less than Fuel Oil Remaining or electricity.
Present invention also offers a kind of navigational system, comprise the guider described in above-mentioned any one.
Compared with prior art, the present invention has the following advantages:
In the air navigation aid of the embodiment of the present invention and device, when the condition arriving next service area meets predetermined condition, prompting user stops at front service area, thus avoids next service area and front task interval every the problem of the driving overlong time caused more greatly or oil mass, electricity deficiency.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the air navigation aid of the embodiment of the present invention;
Fig. 2 is the structured flowchart of the guider of the embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiments and the drawings, the invention will be further described, but should not limit the scope of the invention with this.
With reference to figure 1, the air navigation aid of the present embodiment comprises:
Step S11, judges whether have service area in the certain distance of front;
Step S12, when there is service area in front, then searches for next service area;
Step S13, judges whether the condition arriving next service area meets predetermined condition;
Step S14, if meet predetermined condition, then points out the service area of user in described front to stop.
Whether, furthermore, in step S11, judge whether have service area in the certain distance of front, can be containing service area in the attribute of the road judging front certain distance.Furthermore, when vehicle is driven a vehicle on a highway, obtain the road data in the certain distance of front and it is resolved, to judge wherein whether containing service area.
In step s 12, searching for next service area, can be that the guidance path selected according to user is searched for, and also can be search for according to the travel direction of vehicle.Correspondingly, " next service area " refers on guidance path that user selectes or the service area that in the travel direction of vehicle, the service area in the current front of distance is nearest.
In step s 13, this predetermined condition can be: the estimated time arriving next service area adds whether running time is greater than safety traffic time threshold, and this safety traffic time threshold can self-defined setting according to actual needs.Or this predetermined condition also can be: arrive oil mass needed for next service area or whether electricity is not less than Fuel Oil Remaining or electricity.
In step S14, when the service area of pointing out user in front is stopped, concrete prompting mode can be the form such as voice and/or word.
Below in conjunction with different examples, above-mentioned air navigation aid is described in detail.
In the first example, when driving a vehicle on a highway, the interval between some service area is distant, have a rest if the service area not in front is stopped, will drive and could arrive the rest of next service area for a long time, and likely cause driving overlong time, cause fatigue driving.
In the first example, in vehicle travel process, judging whether contain service area in the road attribute in the certain distance of front, when there being service area in the certain distance of front, searching for next service area.As a nonrestrictive example, the guidance path search that this next service area can be selected according to user obtains, or also can obtain according to the travel direction search of vehicle.
Calculate the time arriving next service area and need afterwards, obtain the estimated time arriving next service area.And the estimated time judging to arrive next service area adds whether running time is greater than safety traffic time threshold.Wherein, safety traffic time threshold can be relevant laws and regulations set upper limit, is 4 hours at present; Or also can be that user needs the upper limit of setting according to self.Running time can be the time travelled continuously after car engine.
If the estimated time arriving next service area adds that current travel time is beyond safe driving time threshold, so just initiatively user is pointed out to stop at front service area.In addition, when pointing out, the position of next service area can also be provided in the lump and arrive the estimated time of next service area, considering whether stop for user.
By said method, at next service area and front task interval when longer, can front service area be entered in time have a rest, to avoid long-time fatigue driving by reminding user in time.
In the second example, in vehicle travel process, judging whether contain service area in the road attribute in the certain distance of front, when there being service area in the certain distance of front, searching for next service area.As a nonrestrictive example, the guidance path search that this next service area can be selected according to user obtains, or also can obtain according to the travel direction search of vehicle.
Calculate user afterwards and arrive the oil mass or electricity that next service area needs, and determine oil mass or the electricity of current residual, and judge whether the oil mass of arrival needed for next service area or electricity are not less than Fuel Oil Remaining or electricity.Wherein, the oil mass or the electricity that arrive next service area needs can calculate in the following way: the distance between front service area and next service area is multiplied by unit distance fuel consumption or the power consumption of vehicle.
If reach oil mass that next service area needs or electricity is not less than oil mass or the electricity of current residual, in other words, the oil mass of current residual or electricity are not enough to support vehicle and reach next service area, so just initiatively point out the service area of user in front to stop.In addition, when pointing out, the position of next service area can also be provided in the lump and arrive the oil mass or electricity that next service area also needs, considering whether to stop for user and refuel or charging.
By said method, at next service area and front task interval when larger, can front service area be entered refuel or charging, to prevent dump energy or low on fuel to support to next service area by reminding user in time.
In above two examples, judge whether that the predetermined condition of stopping at front service area is relevant with running time and required oil mass or electricity respectively.Those skilled in the art are to be understood that, in other instances, can also judge the oil mass of running time and needs or electricity simultaneously, that is, the estimated time simultaneously judging to arrive next service area adds whether running time is greater than the safe driving time or arrives oil mass needed for next service area or whether electricity is not less than Fuel Oil Remaining or electricity, as long as these two conditions meet one, just initiatively user is pointed out to stop at front service area.
With reference to figure 2, the guider of the present embodiment comprises: the first judge module 21, search module 22, second judge module 23, reminding module 24.
Wherein, the first judge module 21 is for judging whether have service area in the certain distance of front; When there is service area in front, the next service area of search module 22 search; Second judge module 23 is for judging whether the condition arriving next service area meets predetermined condition; If meet predetermined condition, then reminding module 24 points out the service area of user in described front to stop.
Wherein, the second judge module 23 can comprise: computing unit 231 and judging unit 232.In an example, computing unit 231 arrives the estimated time of next service area for calculating, for the estimated time judging to arrive next service area, judging unit 232 adds whether running time is greater than safe driving time threshold.In another example, computing unit 231 arrives oil mass needed for next service area or electricity for calculating; Judging unit 232 is for judging to arrive oil mass needed for next service area or whether electricity is not less than Fuel Oil Remaining or electricity.
About more contents of this guider, please refer to the associated description about air navigation aid in previous embodiment, repeat no more here.
In addition, the present embodiment additionally provides a kind of navigational system, comprises the guider shown in Fig. 2, and this guider can be integrated in navigational system.This guider can adopt the mode of software to realize, also can adopt the mode of software and hardware combining to realize, or also can adopt the mode of hardware to realize, such as, by the realization such as special IC (ASIC) or field programmable gate array (FPGA).This navigational system can be special navigator, also can be the equipment being integrated with multiple functional module, such as, can also be integrated with telephone communication module, wireless communication module, multimedia playing module etc.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (13)
1. an air navigation aid, for driving a vehicle on a highway, is characterized in that, comprising:
Judge whether have service area in the certain distance of front;
When there is service area in front, then search for next service area;
Judge whether the condition arriving next service area meets predetermined condition;
If meet predetermined condition, then the service area of user in described front is pointed out to stop.
2. whether air navigation aid according to claim 1, is characterized in that, describedly judges whether have service area in the certain distance of front, be containing service area in the attribute of the road judging front certain distance.
3. air navigation aid according to claim 1, is characterized in that, the next service area of described search, is that the guidance path selected according to user is searched for.
4. air navigation aid according to claim 1, is characterized in that, the next service area of described search, is search for according to the travel direction of vehicle.
5. air navigation aid according to claim 1, it is characterized in that, describedly judge whether the condition arriving next service area meets predetermined condition, comprise and judge that the estimated time arriving next service area adds whether running time is greater than safe driving time threshold.
6. air navigation aid according to claim 1, is characterized in that, describedly judges whether the condition arriving next service area meets predetermined condition, comprises judging to arrive oil mass or electricity needed for next service area and whether being not less than Fuel Oil Remaining or electricity.
7. a guider, for driving a vehicle on a highway, is characterized in that, comprising:
First judge module, for judging whether have service area in the certain distance of front;
Search module, when there is service area in front, then searches for next service area;
Second judge module, for judging whether the condition arriving next service area meets predetermined condition;
Reminding module, if meet predetermined condition, then points out the service area of user in described front to stop.
8. guider according to claim 7, is characterized in that, whether described first judge module judges in the attribute of the road of front certain distance containing service area.
9. guider according to claim 7, is characterized in that, the guidance path that described search module is selected according to user is searched for.
10. guider according to claim 7, is characterized in that, described search module is searched for according to the travel direction of vehicle.
11. guiders according to claim 7, is characterized in that, described second judge module comprises;
Computing unit, for calculating the estimated time arriving next service area;
Judging unit, the estimated time for judging to arrive next service area adds whether running time is greater than safe driving time threshold.
12. guiders according to claim 7, is characterized in that, described second judge module comprises:
Computing unit, arrives oil mass needed for next service area or electricity for calculating;
Judging unit, for judging to arrive oil mass needed for next service area or whether electricity is not less than Fuel Oil Remaining or electricity.
13. 1 kinds of navigational system, is characterized in that, comprise the guider according to any one of claim 7 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382961.9A CN104422456A (en) | 2013-08-28 | 2013-08-28 | Navigation method, navigation device and navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310382961.9A CN104422456A (en) | 2013-08-28 | 2013-08-28 | Navigation method, navigation device and navigation system |
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| CN104422456A true CN104422456A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310382961.9A Pending CN104422456A (en) | 2013-08-28 | 2013-08-28 | Navigation method, navigation device and navigation system |
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| CN (1) | CN104422456A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105973256A (en) * | 2016-06-28 | 2016-09-28 | 深圳市元征科技股份有限公司 | Method and terminal for reminding vehicle refueling |
| CN106403969A (en) * | 2016-06-15 | 2017-02-15 | 百度在线网络技术（北京）有限公司 | Navigation processing method and navigation apparatus |
| CN108717794A (en) * | 2018-07-25 | 2018-10-30 | 中科鼎富（北京）科技发展有限公司 | A method of preventing driver's fatigue driving on highway, apparatus and system |
| CN110231046A (en) * | 2018-10-23 | 2019-09-13 | 蔚来汽车有限公司 | Air navigation aid and navigation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106403969A (en) * | 2016-06-15 | 2017-02-15 | 百度在线网络技术（北京）有限公司 | Navigation processing method and navigation apparatus |
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| CN110231046A (en) * | 2018-10-23 | 2019-09-13 | 蔚来汽车有限公司 | Air navigation aid and navigation device |
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Application publication date: 20150318 |
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