CN102878998B - Based on the group refueling based reminding method of path planning - Google Patents
Based on the group refueling based reminding method of path planning Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 92
- 239000000284 extract Substances 0.000 claims abstract description 11
- 239000003921 oil Substances 0.000 claims description 124
- 239000000295 fuel oil Substances 0.000 claims description 40
- 230000001960 triggered effect Effects 0.000 claims description 5
- 230000000052 comparative effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000012552 review Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000010365 information processing Effects 0.000 abstract description 3
- 239000002828 fuel tank Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
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Abstract
The group refueling based reminding method based on path planning of technical field of information processing, comprising: the path planning obtaining vehicle, obtains the distance of described path planning; Obtain the oil consumption of described vehicle, obtain the required oil mass of described path planning; Extract the current oil mass of described vehicle, the size of more described required oil mass and described current oil mass, when described current oil mass is less than described required oil mass, oiling is carried out to described vehicle and reminds.The present invention is by obtaining the path planning of vehicle, the magnitude relationship of oil mass needed for alternative plans path and the current oil mass of vehicle, when current oil mass is less than required oil mass, active is carried out to vehicle and refuels prompting, changing prior art does not only have oil just to carry out refueling the situation of reminding at vehicle soon, ensure that user is carrying out in driving process according to path planning, without the need to worrying the problem of low on fuel, thus while judgment accuracy is refueled in raising, better service can be provided for vehicle user, improve the experience effect of user.
Description
Technical field
The present invention relates to the method for technical field of information processing, specifically a kind of group refueling based reminding method based on path planning.
Background technology
In daily life, automobile a kind of very general vehicles at last.Along with the progress of science and technology, the present canot compare with the past for the outward appearance of automobile and performance, and the equipment in automobile is equipped with also more and more advanced, more and more hommization.Common vehicular equipment has GPS (GPS), radar for backing car, burglary-resisting system and car running computer etc., and these equipment can provide the information of the driving needed for driver, or avoid theft, protection safety of person vehicle.
Now popularized many kinds of onboard navigation systems socially gradually, the effect of these onboard navigation systems be exactly for the vehicle travelled in road net provide accurate and effective, traffic route fast, guided vehicle reaches terminal smoothly.Therefore, the large problem that onboard navigation system solves is the planning in path.The planning in path just refers to diagram data in combination, provides optimal path from origin to destination, as: nearest path, the most fuel-efficient path etc.
At present, the fuel tank device that automobile fills is generally the container with certain sealing property with sensor, sensor its adopt standard machinery resistance-type, the advantage of this kind of device is that vehicle can incessantly for the fuel gauge be arranged in pilothouse provides the signal of resistance variations when driving a vehicle, the display in fuel gauge can be relied on, allow vehicle user know instant surplus in fuel tank.When vehicle fuel surplus is less than certain value, partial automobile also initiatively can send prompting, can refuel in time to make user.
But due to prior art be all vehicle fr less to a certain extent time just can initiatively send refuel remind, if therefore vehicle initiatively sends to refuel and reminds, but when now fr is not enough to vehicle is travelled to nearest refuelling station from current location, even if vehicle user can learn the most fuel-efficient path from current location to nearest refuelling station by onboard navigation system, vehicle still can be made to get into a difficult position.In order to avoid above-mentioned predicament, vehicle user often can only remove the fr checking that fuel tank device shows, thus judge when refuel according to experience, but this certainly exists the inaccuracy of judgement, need user often to go to check fr simultaneously, thus increase the complexity of vehicle user driving.
Summary of the invention
The object of this invention is to provide a kind of group refueling based reminding method based on path planning, with the path planning according to vehicle, the amount of fuel of vehicle is accurately controlled, for user provides better service.
For solving the problem, the invention provides a kind of group refueling based reminding method based on path planning, comprising:
Obtain the path planning of vehicle, obtain the distance of described path planning;
Obtain the oil consumption of described vehicle, obtain the required oil mass of described path planning;
Extract the current oil mass of described vehicle, the size of more described required oil mass and described current oil mass, when described current oil mass is less than described required oil mass, oiling is carried out to described vehicle and reminds.
Alternatively, the path planning of described acquisition vehicle comprises: the current location and the destination that obtain vehicle, carries out path planning, obtain the path planning of vehicle according to described current location and destination.
Alternatively, the described group refueling based reminding method based on path planning also comprises: when described current oil mass equals described required oil mass, or when described current oil mass is greater than described required oil mass but the difference of described current oil mass and described required oil mass is less than first threshold, oiling is carried out to described vehicle and reminds.
Alternatively, carry out oiling prompting described in comprise: carry out oiling by word, sound or light and report to the police.
Alternatively, described in carry out refueling prompting and comprise: calculates and show described vehicle need volume read-out, described need volume read-out and described current oil mass sum be more than or equal to described needed for oil mass and first threshold sum.
Alternatively, described first threshold is that vehicle travels oil mass corresponding to preset distance, the oil mass corresponding to predetermined factor of vehicle fuel tankage, vehicle travel from destination to the oil mass corresponding apart from nearest refuelling station, destination or vehicle and travel the oil mass corresponding to the most cheap refuelling station of fuel price from destination.
Alternatively, the described group refueling based reminding method based on path planning also comprises: described in carry out oiling remind after, according to described path planning, carry out fuel station information search, and provide fuel station information to point out.
Alternatively, carrying out fuel station information search described in is that the searching request that sends based on user or carry out is refueled the event of reminding and triggered.
Alternatively, described in carry out fuel station information search be triggered after, by server end or network-side complete fuel station information search for and search fuel station information send to described vehicle.
Alternatively, renewal or the maintenance of fuel station information is carried out when described server end or network-side are regularly or fuel station information changes.
Alternatively, described fuel station information at least comprises the fuel oil type that the positional information of refuelling station and refuelling station provide.
Alternatively, described in carry out oiling and remind and also comprise: according to vehicle fuel tankage and current oil mass, calculate and show described vehicle can volume read-out; Relatively described can volume read-out and the described size needing volume read-out; According to described can volume read-out and the described comparative result needing volume read-out size, carry out fuel station information search.
Alternatively, described in carry out fuel station information search before also comprise and extract the required fuel oil type of vehicle, described fuel station information also comprise in the review information of the price of required fuel oil type, the quality information of required fuel oil type, refuelling station one or more.
Alternatively, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out path planning middle distance current vehicle position recently and the refuelling station of fuel oil type needed for vehicle is provided, will the refuelling station carrying out refueling be gone to as vehicle.
Alternatively, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out multiple refuelling stations that fuel oil type needed for vehicle is provided in distance that in path planning, the current oil mass of vehicle is corresponding, based on the selection information of user, from described multiple refuelling station, select one will go to the refuelling station carrying out refueling as vehicle.
Alternatively, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out in distance that in path planning, the current oil mass of vehicle is corresponding fuel oil type needed for vehicle is provided and required fuel price is minimum or required fuel oil quality preferably or serve best refuelling station, will the refuelling station carrying out refueling be gone to as vehicle.
Alternatively, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out all refuelling stations that fuel oil type needed for vehicle is provided in distance that in path planning, the current oil mass of vehicle is corresponding, by best for wherein required minimum, the required fuel oil quality of fuel price, serve three best refuelling stations and extract respectively, based on the selection information of user, from described three refuelling stations, select one will go to the refuelling station carrying out refueling as vehicle.
Alternatively, when described need volume read-out be greater than described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out in path planning all refuelling stations that fuel oil type needed for vehicle is provided, be the first departure place with current vehicle position, in the distance that the current oil mass of vehicle is corresponding, from described all refuelling stations, select the first refuelling station; Be the second departure place with the first refuelling station, in the distance that vehicle fuel tankage is corresponding, select the second refuelling station; Successively with the departure place that last refuelling station is new, in the distance that vehicle fuel tankage is corresponding, select next refuelling station, until make vehicle arrive destination; Setpoint distance is more than or equal to the range difference arrived between Liang Ge refuelling station adjacent in path, destination.
Compared with prior art, the beneficial effect of embodiment of the present invention is: by obtaining the path planning of vehicle, the magnitude relationship of the current oil mass of oil mass needed for alternative plans path and vehicle, when current oil mass is less than required oil mass, active is carried out to vehicle and refuels prompting, changing prior art does not only have oil just to carry out refueling the situation of reminding at vehicle soon, ensure that user is carrying out in driving process according to path planning, without the need to worrying the problem of low on fuel, alleviate the complexity that vehicle user is driven, thus while judgment accuracy is refueled in raising, better service can be provided for vehicle user, improve the experience effect of vehicle mounted guidance user.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the group refueling based reminding method based on path planning of the embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention, but the present invention can also adopt other to be different from alternate manner described here to implement, therefore the present invention is not by the restriction of following public specific embodiment.
Just as described in the background section, prior art be all vehicle fr less to a certain extent time just can initiatively send refuel remind, in order to avoid there is the situation of fr deficiency, vehicle user often can only remove the fr checking that fuel tank device shows, thus judge when refuel according to experience, result in the complexity of inaccuracy and the vehicle user driving of refueling and judging.
In order to avoid above-mentioned defect, the invention provides a kind of group refueling based reminding method based on path planning, by obtaining the path planning of vehicle, the magnitude relationship of the current oil mass of oil mass needed for alternative plans path and vehicle, when current oil mass is less than required oil mass, active is carried out to vehicle and refuels prompting, changing prior art does not only have oil just to carry out refueling the situation of reminding at vehicle soon, ensure that user is carrying out in driving process according to path planning, without the need to worrying the problem of low on fuel, thus while judgment accuracy is refueled in raising, better service can be provided for vehicle user, improve the experience effect of navigation user.
Be described in detail below in conjunction with accompanying drawing.
Shown in Figure 1, the group refueling based reminding method based on path planning that the present embodiment provides, comprising:
Step S1, obtains the path planning of vehicle, obtains the distance of described path planning;
Step S2, obtains the oil consumption of described vehicle, obtains the required oil mass of described path planning;
Step S3, extracts the current oil mass of described vehicle, the size of more described required oil mass and described current oil mass, when described current oil mass is less than described required oil mass, carries out oiling remind described vehicle;
Step S4, after described vehicle being carried out to oiling and reminding, according to described path planning, carries out fuel station information search, and provides fuel station information to point out.
Described in the present embodiment, vehicle comprises onboard navigation system, and described vehicle is communicated with server end or network-side by onboard navigation system.
First perform step S1, obtain current location and the destination of vehicle, carry out path planning according to described current location and destination, obtain the path planning of vehicle, and then extract the distance of path planning from described path planning.To be vehicle travel distance sum to destination process according to path planning from current location to described distance.
The current location of described vehicle can be inputted by vehicle user oneself, also can be provided by the locating device of vehicle; The destination of described vehicle can be inputted by vehicle user oneself.
After the current location determining vehicle and destination, carry out path planning and have following two kinds of modes at least: a kind of is adopt any one onboard navigation system to calculate path planning between current vehicle position and destination at vehicle termination; Another kind is that the current location of vehicle and destination are sent to server end, calculates the path planning between current vehicle position and destination, and path planning is passed to vehicle termination by server end by server end.Preferably, described path planning completes at vehicle termination, thus the path planning obtained more meets the actual conditions of described vehicle.
After obtaining the path planning of vehicle, just can from path planning the distance of extracting directly path planning.
Further, the information such as distance of the current location of described vehicle, destination, path planning, path planning can also carry out picture and text showing or/and voice broadcast on vehicle.
Then perform step S2, obtain the oil consumption of described vehicle, obtain the required oil mass of described path planning.
The oil consumption of vehicle described in the present embodiment refers to that vehicle travels 100 kilometers of amount of fuel consumed.It should be noted that, the oil consumption of other parameter characterization vehicles can also be adopted in other embodiments of the invention, as: vehicle travels 1 kilometer of amount of fuel consumed etc.
Particularly, the amount of fuel that the traveling 100 kilometers that the oil consumption of described vehicle can directly adopt vehicle manufacturer to provide consumes, the vehicle that this vehicle oil consumption record in the past also can be adopted to calculate travelled 100 kilometers of average fuel amounts consumed in the past, the amount of fuel that the traveling 100 kilometers that other vehicles of same model can also be adopted to provide consumes.
After the distance of the oil consumption and path planning of learning vehicle, oil consumption is multiplied with the distance of path planning and just can obtains oil mass needed for path planning.It should be noted that, when oil consumption refers to the amount of fuel that vehicle travel 100 kilometers consumes, the distance of described path planning also should using 100 kilometers as unit.As: the oil consumption of vehicle is 8 liters/hundred kilometers, and the distance of path planning is 1,000 kilometers, and the required oil mass so having travelled path planning is 80 liters.Further, in the driving process of vehicle, there are many factors can cause the difference of oil consumption.As: the flatness of the degree of crook of road, the gradient of road, road and traffic congestion degree etc.In general, in the process of GPS locality diagram data, can according to the data of the various roads collected, as information such as the degree of crook in road, the gradient, road evenness, be saved on car-mounted terminal or server, described traffic congestion degree can be obtained from traffic control system by network in real time.Therefore when path planning comprises above-mentioned factor, oil consumption corresponding under can obtaining above-mentioned different road conditions respectively, when calculating oil mass needed for path planning, be added again after the oil consumption that road distance under different road conditions is corresponding with under this road conditions is multiplied, instead of the distance of path planning is multiplied with the oil consumption of fixed value, thus more accurate required oil mass can be obtained, finally ensure that the follow-up accuracy of reminding of refueling.
Then perform step S3, extract the current oil mass of described vehicle, the size of more described required oil mass and described current oil mass, when described current oil mass is less than described required oil mass, oiling is carried out to described vehicle and reminds.
The current oil mass of described vehicle can by directly reading in the fuel gauge of vehicle, and the current oil mass of described vehicle is exactly the fr of vehicle.
After the current oil mass learning vehicle and required oil mass, in order to judge whether that carrying out oiling reminds, need the size of relatively more required oil mass and current oil mass, it comprises following several situation:
1) when current oil mass is less than required oil mass, the current oil mass of vehicle can not make vehicle travel to destination, therefore needs to carry out oilings prompting.
2) when current oil mass equals required oil mass, although the current oil mass of vehicle can make vehicle travel to destination, but vehicle travels the state to being just in during destination without oil, this is also the situation not allowing to occur in actual applications, therefore now also needs to carry out oiling and reminds.
3) when current oil mass is greater than required oil mass but the difference of current oil mass and required oil mass is less than first threshold, arriving the follow-up normal traveling behind destination to not affect vehicle, also needing to carry out oiling and reminding.
Wherein, described first threshold can travel oil mass corresponding to preset distance (as: 10 kilometers) for vehicle, also can be the oil mass that the predetermined factor (as: 1/10th) of vehicle fuel tank capacity is corresponding, can also be that vehicle travels to the oil mass corresponding apart from nearest refuelling station, destination from destination, can also be that vehicle travels to oil mass corresponding apart from the most cheap refuelling station of price, destination etc. from destination.
Particularly, described first threshold can carry out different set according to the different selection of user, also automatically can be set by vehicle.
4) when current oil mass is greater than required oil mass, and when the difference of current oil mass and required oil mass is more than or equal to first threshold, do not need to carry out oiling and remind.
In sum, when the difference of current oil mass and required oil mass is less than first threshold, all needs to carry out oiling and remind.
Described oiling prompting can comprise: carry out oiling by word, sound or light and report to the police.As: show similar words such as " this have refueled " by the display device of vehicle, report similar voice such as " this have refueled " by the stereo set of vehicle, expressed the warning message of " this has refueled " by the color, flashing mode etc. of warning lamp.Concrete oiling type of alarm can set according to the selection of user, also automatically can be set by vehicle.
Describedly carry out refueling prompting and can also comprise: calculates and show described vehicle need volume read-out, described need volume read-out and described current oil mass sum be more than or equal to described needed for oil mass and first threshold sum.Meanwhile, according to vehicle fuel tankage and current oil mass, what can also calculate described vehicle can volume read-out; According to described can volume read-out and the described comparative result needing volume read-out size, carry out fuel station information search.
The described volume read-out that needs refers to make vehicle arrive at the destination from current location, and the fr arriving destination rear vehicle is first threshold, the volume read-out needed for vehicle.
Describedly can refer to the difference of vehicle fuel tankage and current oil mass by volume read-out, namely vehicle is current can the maximal value of volume read-out.
Describedly need volume read-out to be greater than, be equal to or less than described can volume read-out.When described need volume read-out be less than or equal to described can volume read-out time, represent and realize this path planning, once refuel; When described need volume read-out be greater than described can volume read-out time, represent and realize this path planning, at least need to carry out more than twice or twice oiling.
Finally perform step S4, after described vehicle being carried out to oiling and reminding, according to described path planning, carry out fuel station information search, and provide fuel station information to point out.
Describedly carry out the searching request that fuel station information search can send based on user and trigger, as: receiving after oiling that vehicle sends reminds, user to vehicle send carry out fuel station information seek request, after vehicle receives this searching request, just can carry out fuel station information search.Describedly carry out fuel station information search and also can trigger based on carrying out refueling the event of reminding, as: after vehicle to send to user and refuels and remind, vehicle carries out fuel station information search immediately, and selects without the need to user.Above-mentioned two kinds of triggering modes, therefrom can select it to preserve setting in the lump by user, to avoid carrying out repetitive operation in follow-up use.
Described carry out fuel station information search before also comprise and extract fuel oil type needed for described vehicle.Fuel oil type needed for different vehicle may be different, and the fuel oil type that different refuelling station provides also may be different.
Described fuel station information at least comprises the fuel oil type information that the positional information of refuelling station and refuelling station provide.Preferably, described fuel station information can also comprise in the review information of the quality of fuel oil type needed for the price of fuel oil type needed for vehicle, vehicle, refuelling station one or more, thus under the satisfied refuelling station searched out provides fuel oil type needed for vehicle and the position of refuelling station is positioned at the condition of path planning section certain distance scope, therefrom select further required minimum, the required fuel oil quality of fuel price preferably or serve best refuelling station, for user provides more fully information and better service.The refuelling station searched out should be arranged in or be close to the section of path planning.
When vehicle storage has fuel station information, described in carry out fuel station information search can complete at vehicle termination.Preferably, described carry out fuel station information search be triggered after, complete fuel station information by server end or network-side search for and the fuel station information of search is sent to described vehicle, thus service end or the abundanter information resources of network-side can be made full use of, and do not increase the information processing burden of vehicle.
Further, described vehicle termination, service end or network-side can in real time, timing or fuel station information carry out renewal or the maintenance of fuel station information when changing, to ensure the accuracy that fuel station information is searched for.
Below with four specific embodiments illustrate when described need volume read-out be less than or equal to described can volume read-out time, carry out the process of fuel station information search.
As first specific embodiment, after described vehicle being carried out to oiling and reminding, path planning middle distance current vehicle position can be searched out recently and the refuelling station of fuel oil type needed for vehicle is provided, will the refuelling station carrying out refueling be gone to as vehicle.Refuelling station in path planning can be arranged in vehicle path planning need through section, also can be arranged in vehicle path planning need through section certain distance scope, as need in: the refuelling station searched out and vehicle path planning through the minimum distance in section be 200 meters.
As second specific embodiment, after described vehicle being carried out to oiling and reminding, multiple refuelling stations that fuel oil type needed for vehicle is provided in the corresponding distance of the current oil mass of vehicle in path planning can be searched out, based on the selection information of user, from described multiple refuelling station, select one will go to the refuelling station carrying out refueling as vehicle.The corresponding distance of current oil mass of described vehicle refers to the distance that the current oil mass of vehicle can travel.
As the 3rd specific embodiment, after described vehicle being carried out to oiling and reminding, there is provided fuel oil type needed for vehicle in the corresponding distance of current oil mass that can search out vehicle in path planning and fuel price is minimum or fuel oil quality preferably or serve best refuelling station, will the refuelling station carrying out refueling be gone to as vehicle.
As the 4th specific embodiment, after described vehicle being carried out to oiling and reminding, all refuelling stations that fuel oil type needed for vehicle is provided in the corresponding distance of the current oil mass of vehicle in path planning can be searched out, extract wherein fuel price is minimum, fuel oil quality is best, serve three best refuelling stations respectively, based on the selection information of user, from described three refuelling stations, select one will go to the refuelling station carrying out refueling as vehicle.
Searching out vehicle by after going to the refuelling station that carries out refueling, and provide fuel station information to point out to user, described prompting can be one or more in picture and text, sound, light; And then based on the selection information of user, onboard navigation system just can be carried out from current location to the navigation carrying out the refuelling station of refueling for vehicle.
When described need volume read-out be less than or equal to described can volume read-out time, directly carry out a refuelling station and search for.Wherein, vehicle the actual volume read-out of refuelling station should be more than or equal to described need volume read-out and be less than or equal to described can volume read-out.In practical application, the actual volume read-out of vehicle equal described can volume read-out, namely when refueling, the fuel tank of described vehicle is filled it up with, thus the number of times of group refueling can be reduced, extend the serviceable life of vehicle.
Below with specific embodiment illustrate when described need volume read-out be greater than described can volume read-out time, carry out the process of fuel station information search.
As the 5th specific embodiment, after described vehicle being carried out to oiling and reminding, all refuelling stations that fuel oil type needed for vehicle is provided can be searched out in path planning, be the first departure place with current location, in the distance that the current oil mass of vehicle is corresponding, from described all refuelling stations, select the first refuelling station; Be the second departure place with the first refuelling station, in the distance that vehicle fuel tankage is corresponding, select the second refuelling station; Successively with the departure place that last refuelling station is new, in the distance that vehicle fuel tankage is corresponding, select next refuelling station, until make vehicle arrive destination.Described selection refuelling station can based on the selection information of user, also the refuelling station that in described distance, fuel price is minimum can automatically be selected, automatically the refuelling station that in described distance, service is best can also be selected, automatically the refuelling station that in described distance, fuel oil quality is best can also be selected.Distance corresponding to described vehicle fuel tankage refers to the distance that can travel after fuel tank filled it up with by vehicle.In above-described embodiment, require that vehicle fuel tank is all filled it up with by each oiling.It should be noted that, in order to avoid increasing the number of times of group refueling, being more than or equal to setpoint distance to the range difference arrived between Liang Ge refuelling station adjacent in path, destination.Such as: described setpoint distance can corresponding 7/8ths of vehicle fuel tankage or the oil mass of 4/5ths, namely vehicle is filled it up with after fuel tank travels, at least when the fr in vehicle be less than 1/8th or five/for the moment, just refuel next time.
The process of described selection refuelling station can pull in vehicle front lay of setting out, and also when vehicle fuel surplus is less than Second Threshold, can carry out the search of next fuel station information.Described Second Threshold can equal described first threshold, also can be not equal to described first threshold.But the oil mass that Second Threshold is corresponding needs the nearest refuelling station of the next one ensureing that vehicle can arrive path planning from current location.As: setting Second Threshold is 5 liters, just can calculate and add altogether oil several times, refuel respectively at every turn at which filling-up area before vehicle sets out; Also can after first time to fill it up with fuel tank, vehicle travels a period of time, just carries out the search of second fuel station information when vehicle fuel surplus is 5 liters, but these 5 liters of fuel oils sufficiently ensure that vehicle can arrive the nearest refuelling station of the next one in path planning.In practical application, the nearest refuelling station of the described next one might not need carry out second refuelling station of refueling exactly, if these 5 liters of fuel oils can make vehicle at least travel three refuelling stations, so can based on the selection information of user using the refuelling station that finally can arrive as carrying out oiling second refuelling station.5th specific embodiment is only citing, and it should not limit the scope of the invention.As: the first specific embodiment is all applicable to select the first refuelling station in the 5th specific embodiment to the method for the 4th specific embodiment search fuel station information, and continues in the process of refuelling station after selection, also can with reference to the method for selection first refuelling station.
So far, complete and based on path planning, the oiling of vehicle is reminded.
Adopt embodiment of the present invention method, user is carrying out in driving process according to path planning, without the need to worrying the problem of low on fuel, thus while judgment accuracy is refueled in raising, better service can be provided for vehicle user, improve the experience effect of navigation user.
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; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (16)
1., based on a group refueling based reminding method for path planning, it is characterized in that, comprising:
Obtain the path planning of vehicle, obtain the distance of described path planning;
Obtain the oil consumption of described vehicle, obtain the required oil mass of described path planning;
Extract the current oil mass of described vehicle, the size of more described required oil mass and described current oil mass;
When described current oil mass is greater than described required oil mass but the difference of described current oil mass and described required oil mass is less than first threshold, carry out oiling to described vehicle to remind, described first threshold is that vehicle travels oil mass corresponding to preset distance, the oil mass corresponding to predetermined factor of vehicle fuel tankage, vehicle travel from destination to the oil mass corresponding apart from nearest refuelling station, destination or vehicle and travel the oil mass corresponding to the most cheap refuelling station of fuel price from destination.
2. as claimed in claim 1 based on the group refueling based reminding method of path planning, it is characterized in that, the path planning of described acquisition vehicle comprises: the current location and the destination that obtain vehicle, carries out path planning, obtain the path planning of vehicle according to described current location and destination.
3., as claimed in claim 1 based on the group refueling based reminding method of path planning, it is characterized in that, described in carry out oilings prompting and comprise: carry out oiling warning by word, sound or light.
4. as claimed in claim 1 based on the group refueling based reminding method of path planning, it is characterized in that, describedly carry out refueling prompting and comprise: calculates and show described vehicle need volume read-out, described need volume read-out and described current oil mass sum be more than or equal to described needed for oil mass and first threshold sum.
5. as claimed in claim 4 based on the group refueling based reminding method of path planning, it is characterized in that, the described group refueling based reminding method based on path planning also comprises: described in carry out oiling remind after, according to described path planning, carry out fuel station information search, and provide fuel station information to point out.
6., as claimed in claim 5 based on the group refueling based reminding method of path planning, it is characterized in that, described in carry out fuel station information search be that the searching request that sends based on user or carry out is refueled the event of reminding and triggered.
7. as claimed in claim 6 based on the group refueling based reminding method of path planning, it is characterized in that, described carry out fuel station information search be triggered after, by server end or network-side complete fuel station information search for and search fuel station information send to described vehicle.
8. as claimed in claim 7 based on the group refueling based reminding method of path planning, it is characterized in that, when described server end or network-side are regularly or fuel station information changes, carry out renewal or the maintenance of fuel station information.
9. as claimed in claim 5 based on the group refueling based reminding method of path planning, it is characterized in that, described fuel station information at least comprises the fuel oil type that the positional information of refuelling station and refuelling station provide.
10., as claimed in claim 9 based on the group refueling based reminding method of path planning, it is characterized in that, described in carry out oilings prompting and also comprise: according to vehicle fuel tankage and current oil mass, calculate and show described vehicle can volume read-out; Relatively described can volume read-out and the described size needing volume read-out; According to described can volume read-out and the described comparative result needing volume read-out size, carry out fuel station information search.
11. as claimed in claim 10 based on the group refueling based reminding method of path planning, it is characterized in that, described carry out fuel station information search before also comprise and extract the required fuel oil type of vehicle, described fuel station information also comprise in the review information of the price of required fuel oil type, the quality information of required fuel oil type, refuelling station one or more.
12. as claimed in claim 11 based on the group refueling based reminding method of path planning, it is characterized in that, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out path planning middle distance current vehicle position recently and the refuelling station of fuel oil type needed for vehicle is provided, will the refuelling station carrying out refueling be gone to as vehicle.
13. as claimed in claim 11 based on the group refueling based reminding method of path planning, it is characterized in that, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out multiple refuelling stations that fuel oil type needed for vehicle is provided in distance that in path planning, the current oil mass of vehicle is corresponding, based on the selection information of user, from described multiple refuelling station, select one will go to the refuelling station carrying out refueling as vehicle.
14. as claimed in claim 11 based on the group refueling based reminding method of path planning, it is characterized in that, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out in distance that in path planning, the current oil mass of vehicle is corresponding fuel oil type needed for vehicle is provided and required fuel price is minimum or required fuel oil quality preferably or serve best refuelling station, will the refuelling station carrying out refueling be gone to as vehicle.
15. as claimed in claim 11 based on the group refueling based reminding method of path planning, it is characterized in that, when described need volume read-out be less than or equal to described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out all refuelling stations that fuel oil type needed for vehicle is provided in distance that in path planning, the current oil mass of vehicle is corresponding, by wherein required fuel price is minimum, required fuel oil quality is best, serve three best refuelling stations to extract respectively, based on the selection information of user, from described three refuelling stations, select one will go to the refuelling station carrying out refueling as vehicle.
16. as claimed in claim 11 based on the group refueling based reminding method of path planning, it is characterized in that, when described need volume read-out be greater than described can volume read-out time, after described vehicle being carried out to oiling and reminding, search out in path planning all refuelling stations that fuel oil type needed for vehicle is provided, be the first departure place with current vehicle position, in the distance that the current oil mass of vehicle is corresponding, from described all refuelling stations, select the first refuelling station; Be the second departure place with the first refuelling station, in the distance that vehicle fuel tankage is corresponding, select the second refuelling station; Successively with the departure place that last refuelling station is new, in the distance that vehicle fuel tankage is corresponding, select next refuelling station, until make vehicle arrive destination; Setpoint distance is more than or equal to the range difference arrived between Liang Ge refuelling station adjacent in path, destination.
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