CN110736477A - Navigation system and method - Google Patents
Navigation system and method Download PDFInfo
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- CN110736477A CN110736477A CN201810798935.7A CN201810798935A CN110736477A CN 110736477 A CN110736477 A CN 110736477A CN 201810798935 A CN201810798935 A CN 201810798935A CN 110736477 A CN110736477 A CN 110736477A
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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
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- Radar, Positioning & Navigation (AREA)
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- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The present invention provides a navigation system for a vehicle and a method thereof, the navigation system including an acquisition unit for acquiring a predetermined travel path of the vehicle and energy supply prices of energy supply stations along the predetermined travel path, a setting unit for setting a number N of energy supply stations during travel of the vehicle along the predetermined travel path, a selection unit for selecting M energy supply stations from the energy supply stations along the predetermined travel path according to a predetermined condition based on the energy supply prices acquired by the acquisition unit and the number N of energy supply stations set by the setting unit, calculating energy supply fees required for energy supply at the N energy supply stations of the M energy supply stations to select N recommended energy supply stations that optimize the energy supply fees and can complete the entire predetermined travel path and an energy amount at each recommended energy supply stations, M > N, and an output unit for outputting information relating to the N recommended energy supply stations.
Description
Technical Field
The present invention relates to the field of vehicles. More particularly, the present invention relates to a navigation system and method for a vehicle.
Background
At , the price of fuel may vary over time and/or location, and it is beneficial to save refueling costs to refuel the vehicle in situations where the vehicle is to travel a long distance, taking into account the variation in fuel price.
Therefore, navigation systems and methods that provide optimal energy replenishment and that facilitate driver operation are desired.
Disclosure of Invention
The invention aims to provide navigation systems and methods which can provide optimal energy supplement cost and make the operation of drivers convenient.
According to an aspect of the invention, there is provided a navigation system for a vehicle, comprising:
an acquisition unit for acquiring a predetermined travel path of a vehicle and energy replenishment prices of energy replenishment stations along the predetermined travel path;
a setting unit for setting a number of times of energy replenishment N during travel of a vehicle along the predetermined travel path;
a selection unit for selecting M energy supplement stations from the energy supplement stations along the predetermined travel path according to a predetermined condition based on the energy supplement price acquired by the acquisition unit and the energy supplement times N set by the setting unit, calculating energy supplement fees required for energy supplement at N of the M energy supplement stations to select N recommended energy supplement stations that optimize the energy supplement fees and can complete the entire predetermined travel path and energy supplement amounts at every recommended energy supplement stations, where M > N, and
an output unit for outputting information related to the N recommended energy replenishment stations.
According to an embodiment of the present invention, the predetermined condition includes M of the energy replenishment stations having the lowest price.
According to an embodiment of the present invention, the setting unit automatically sets the number of times of energy replenishment N during travel of the vehicle along the predetermined travel path based on the predetermined travel path.
According to an embodiment of the present invention, the output unit includes a notification device configured to notify a driver of the vehicle of information related to the N recommended energy charging stations.
According to an embodiment of the invention, the notification means comprises visual notification means and/or acoustic notification means.
According to an embodiment of the present invention, the information includes at least items of a number, a name, a location, a distance, an energy replenishment amount of the recommended energy replenishment station.
According to an embodiment of the present invention, the output unit further comprises a route planning device configured to plan a driving route including the N recommended energy replenishment stations.
According to an embodiment of the invention, the energy replenishment price is a function of time and/or location.
According to an embodiment of the invention, the energy supply station comprises a fuel supply station and/or an electricity supply station.
According to an embodiment of the present invention, an energy kind input unit for inputting kinds of energy is further included.
According to another aspect of the invention, there is also provided vehicles that include the aforementioned navigation system.
According to another aspect of the invention, there is also provided a navigation method for a vehicle, comprising:
acquiring a preset driving path of a vehicle and energy supplement prices of energy supplement stations along the preset driving path;
setting the energy supplement times N during the running of the vehicle along the preset running path;
selecting M energy supplement stations from the energy supplement stations along the predetermined travel route according to a predetermined condition based on the acquired energy supplement price and the set number of times of energy supplement N, calculating energy supplement fees required for energy supplement at N of the M energy supplement stations to select N recommended energy supplement stations that optimize the energy supplement fees and can complete the entire predetermined travel route and energy supplement amounts at every recommended energy supplement stations, where M > N, and
outputting information related to the N recommended energy replenishment stations.
According to an embodiment of the present invention, the predetermined condition includes M of the energy replenishment stations having the lowest price.
According to an embodiment of the present invention, the number of energy replenishment times N during the travel of the vehicle along the predetermined travel path is automatically set based on the predetermined travel path.
According to an embodiment of the invention, the method further comprises informing the driver of the vehicle of information relating to the N recommended energy charging stations.
According to an embodiment of the invention, the notification comprises a visual notification and/or an acoustic notification.
According to an embodiment of the present invention, the information includes at least of a number, a name, a location, a distance, the energy replenishment amount of the recommended energy replenishment station.
According to an embodiment of the invention, the method further comprises planning a driving route comprising the N recommended energy replenishment stations.
According to an embodiment of the invention, the energy replenishment price is a function of time and/or location.
According to an embodiment of the invention, the energy supply station comprises a fuel supply station and/or an electricity supply station.
According to an embodiment of the invention, the method further comprises the step of inputting the kind of energy source.
Drawings
FIG. 1 shows a schematic view of a navigation system according to an embodiment of the invention.
Fig. 2 shows a flow chart of a navigation method according to an embodiment of the invention.
Detailed Description
Hereinafter, a navigation system and a method for a vehicle according to the present invention will be described in detail with reference to the accompanying drawings. The following detailed description and drawings are included to illustrate the principles of the invention, which is not to be limited to the preferred embodiments described, but is to be defined by the appended claims.
The navigation system according to the embodiment of the present invention may be mounted on or applied to a vehicle to assist a driver in driving safely.
As shown in fig. 1, the navigation system 100 according to the present invention includes an acquisition unit 110, a setting unit 120, a selection unit 130, and an output unit 140.
Hereinafter, the above-described units will be described in detail.
According to another embodiment of the present invention, the obtaining unit 110 may also plan a route according to a current location and a destination by obtaining the current location and the destination of the vehicle, and the current location may be manually input by a driver of the vehicle, or may be provided by a positioning device of the vehicle, according to an embodiment of the present invention, the obtaining unit 110 may further communicate with the server through Wi-Fi or a mobile network to obtain an energy supply price-time curve for hours, which may be, for example, the last five days, according to an embodiment of the present invention, the energy supply price is a function of time and/or location, in which case, the energy supply price obtained by the obtaining unit 110 along the predetermined travel route and the energy supply price of the energy supply station along the predetermined travel route are estimated to reach the predetermined energy supply station based on the estimated energy supply price, which is estimated to reach the predetermined energy supply station, and the estimated energy supply price is estimated to reach the predetermined energy supply station based on the estimated distance, such as "estimated energy supply price reached by the obtaining unit 110 is estimated reach the predetermined energy supply station", and the estimated energy supply price may be estimated reach the predetermined energy supply station based on the estimated distance, such as estimated reach 361, estimated reach the predetermined energy supply station, based on the estimated distance, the estimated reach .
The setting unit 120 is used to set the number of times of energy replenishment N during the travel of the vehicle along the predetermined travel path. According to an embodiment of the present invention, the setting unit 120 may manually input the number of times of energy replenishment by a driver of the vehicle. In this case, the setting unit 120 may include an input module, which may include a display or a keypad, so that a driver of the vehicle inputs a desired number of times of energy replenishment during traveling along the predetermined traveling path through the display or the keypad; the judgment module is in wired or wireless communication with the input module and judges whether the expected energy supplement times input by a driver of the vehicle can complete the whole preset running path or not, for example, the judgment method of the judgment module is that the energy quantity obtained by calculating that the energy is fully filled every time the energy supplement is carried out is larger than the energy quantity required by completing the whole preset running path; and the informing module informs the driver of the vehicle that the "desired energy supplement times cannot complete the entire predetermined travel path, please reset", based on the judgment that the desired energy supplement times input by the driver of the judging module cannot complete the entire predetermined travel path, and may include a display and/or a speaker, and informs the driver of the vehicle in a visual manner and/or an acoustic manner. According to a further embodiment of the present invention, the setting unit 120 may also automatically set the number of energy replenishment times N during the travel of the vehicle along the predetermined travel path based on the predetermined travel path. In this case, the setting unit 120 may include a calculating module, and a calculating method of the calculating module is similar to the operating principle of the input module and the judging module in the foregoing embodiment, and in addition, similar to the foregoing embodiment, the setting unit 120 may further include a notifying module, which is not described herein again to avoid redundancy.
The selection unit 130 is configured to select M energy supplement stations from the energy supplement stations along the predetermined travel path according to a predetermined condition based on the energy supplement price acquired by the acquisition unit and the energy supplement times N set by the setting unit, calculate energy supplement fees required for energy supplement at the N energy supplement stations from the M energy supplement stations, to select N recommended energy supplement stations that optimize the energy supplement fees and can complete the entire predetermined travel path and energy supplement amounts at every recommended energy supplement stations, where M > NThe M energy replenishment stations with the lowest price are included, but it will be understood by those skilled in the art that the predetermined condition is not limited to the above-mentioned condition, and for example, all the M energy replenishment stations along the way, or two adjacent gas stations having a distance therebetween of more than 10km but less than 50km may be included. In this case, first, the selection unit 130 selects M energy replenishment stations according to a predetermined condition; then, according to formula CTotal cost＝C(1)+C(2)+…C(N)；C(i)＝QAmount of replenishment×PPriceWherein i is 1, 2, … N; and PPriceThe energy replenishment costs required for selecting different energy replenishment amounts (for example, any values of 1 to 40L) at different N energy replenishment stations among the M energy replenishment stations are calculated to select N recommended energy replenishment stations that optimize the energy replenishment costs and can complete the entire predetermined travel path and energy replenishment amounts at every recommended energy replenishment stations, where M > N.
The output unit 140 is configured to output information related to the N recommended energy supplement stations, according to an embodiment of the present invention, the output unit 140 is in wired/wireless communication with the selection unit 130 to obtain a selection result of the selection unit 130, that is, the N recommended energy supplement stations and an energy supplement amount at every recommended energy supplement stations, according to an embodiment of the present invention, the output unit 140 includes a visual notification device and/or an acoustic notification device (e.g., a display, a speaker) to output information related to the N recommended energy supplement stations to a driver of the vehicle in a visual manner and/or an acoustic manner.
According to an embodiment of the present invention, the route planning apparatus may be in wired/wireless communication with the selection unit 130 to obtain the selection result of the selection unit 130, i.e., the N recommended energy supplement stations and the energy supplement amount at every recommended energy supplement stations, and the route planning apparatus plans the travel route to the recommended energy supplement stations with the recommended energy supplement stations as intermediate destinations.
Optionally, the navigation system according to the present invention further comprises an energy kind input unit for inputting the kind of energy. Herein, "energy replenishment station" includes, but is not limited to: refueling stations and electricity replenishment stations. Refueling stations are used to provide fuel to a vehicle, such as gasoline, diesel, gaseous fuel, alcohol fuels, liquefied petroleum gas, natural gas, biofuels, hydrogen, and the like. The types of fuel may include: gasoline, diesel, gaseous fuels, alcohol fuels, liquefied petroleum gas, natural gas, biofuels, hydrogen, and the like. For example, in the Beijing area, the grades of gasoline include: 89, 92, 95, etc. For vehicles using fuel, the type of fuel, grade and designation of the fuel used by the vehicle depends on the characteristics of the engine of the vehicle. The kind of power may include: direct current and alternating current.
According to an embodiment of the invention, the navigation system according to the invention may be activated manually by the driver at a moment deemed appropriate by the driver. The suitable moment may be, for example, when the driver considers that the current amount of energy is insufficient to complete the entire predetermined journey. The driver can manually activate the system by entering commands by pressing buttons, touch, voice, etc. As an alternative, the navigation system according to the invention may be automatically executed when the trigger condition is fulfilled. The trigger condition may be, for example, that the current amount of energy is insufficient to complete the entire predetermined trip.
Fig. 2 shows a schematic view of a navigation method according to an embodiment of the invention. The navigation method according to the present invention is described below with reference to fig. 2.
According to another embodiment of the present invention, a route planning may be performed according to a current location and a destination by acquiring the current location and the destination of the vehicle, and the current location may be manually input by a driver of the vehicle or may be provided by a positioning device of the vehicle.
In step S220, the number of times of energy replenishment N during the travel of the vehicle along the predetermined travel path is set.
In step S230, M energy supply stations are selected from the energy supply stations along the predetermined travel path according to a predetermined condition based on the acquired energy supply price and the set energy supply times N, energy supply fees required for energy supply at the N energy supply stations of the M energy supply stations are calculated to select N recommended energy supply stations that optimize the energy supply fees and can complete the entire predetermined travel path, and energy supply amounts at every recommended energy supply stations, wherein M > N.
According to an embodiment of the present invention, the information related to the N recommended energy supplement stations is visually and/or acoustically output to the driver of the vehicle by means of visual notification and/or acoustic notification, and according to an embodiment of the present invention, the information related to the N recommended energy supplement stations includes the number, name, location, distance, and energy supplement amount of the recommended energy supplement stations, and for example, the driver is notified of the above information when the vehicle is at a distance (e.g., 5km) from the recommended energy supplement station .
According to an embodiment of the present invention, the driving route to the recommended energy supplement stations may be planned by wired/wireless communication to obtain the selection result in step S230, i.e., the N recommended energy supplement stations and the energy supplement amount at every recommended energy supplement stations, with the recommended energy supplement stations as intermediate destinations.
According to an embodiment of the invention, the navigation method according to the invention may be initiated manually by the driver at a moment deemed appropriate by the driver. The suitable moment may be, for example, when the driver considers that the current amount of energy is insufficient to complete the entire predetermined journey. The driver may manually cause the method to start performing its steps by entering instructions by pressing a button, touching, voice, etc. As an alternative, the navigation method according to the invention may be automatically executed when the trigger condition is fulfilled. The trigger condition may be, for example, that the current amount of energy is insufficient to complete the entire predetermined trip.
As described above, although the exemplary embodiments of the present invention have been described in the description with reference to the drawings, the present invention is not limited to the above-described embodiments, and the scope of the present invention should be defined by the claims and their equivalents.
Claims (21)
1, a navigation system for a vehicle, comprising:
an acquisition unit for acquiring a predetermined travel path of a vehicle and energy replenishment prices of energy replenishment stations along the predetermined travel path;
a setting unit for setting a number of times of energy replenishment N during travel of a vehicle along the predetermined travel path;
a selection unit for selecting M energy supplement stations from the energy supplement stations along the predetermined travel path according to a predetermined condition based on the energy supplement price acquired by the acquisition unit and the energy supplement times N set by the setting unit, calculating energy supplement fees required for energy supplement at N of the M energy supplement stations to select N recommended energy supplement stations that optimize the energy supplement fees and can complete the entire predetermined travel path and energy supplement amounts at every recommended energy supplement stations, where M > N, and
an output unit for outputting information related to the N recommended energy replenishment stations.
2. The navigation system of claim 1, wherein the predetermined condition includes the M least expensive energy replenishment stations.
3. The navigation system according to claim 2, wherein the setting unit automatically sets the number of times of energy replenishment N during travel of the vehicle along the predetermined travel path based on the predetermined travel path.
4. The navigation system according to claim 3, wherein the output unit includes a notification device configured to notify a driver of a vehicle of information relating to the N recommended energy charging stations.
5. A navigation system as set forth in claim 4 wherein said notification device includes a visual notification device and/or an acoustic notification device.
6. A navigation system as set forth in claim 5 wherein said information includes at least of a number, name, location, distance, energy replenishment quantity of said recommended energy replenishment station.
7. The navigation system of claim 6, wherein the output unit further comprises a path planning device configured to plan a travel path including the N recommended energy replenishment stations.
8. The navigation system of claim 7, wherein the energy replenishment price is a function of time and/or location.
9. The navigation system of claim 8, wherein the energy replenishment station comprises a fuel replenishment station and/or an electricity replenishment station.
10. The navigation system according to claim 9, further comprising an energy kind input unit for inputting a kind of energy.
11, vehicle comprising a navigation system according to any of claims 1-10, .
12, a navigation method for a vehicle, comprising the steps of:
acquiring a preset driving path of a vehicle and energy supplement prices of energy supplement stations along the preset driving path;
setting the energy supplement times N during the running of the vehicle along the preset running path;
selecting M energy supplement stations from the energy supplement stations along the predetermined travel route according to a predetermined condition based on the acquired energy supplement price and the set number of times of energy supplement N, calculating energy supplement fees required for energy supplement at N of the M energy supplement stations to select N recommended energy supplement stations that optimize the energy supplement fees and can complete the entire predetermined travel route and energy supplement amounts at every recommended energy supplement stations, where M > N, and
outputting information related to the N recommended energy replenishment stations.
13. The navigation method according to claim 12, wherein the predetermined condition includes M of the energy replenishment stations having the lowest price.
14. The navigation method according to claim 13, wherein the number of times of energy replenishment N during travel of the vehicle along the predetermined travel path is automatically set based on the predetermined travel path.
15. The navigation method according to claim 14, further comprising notifying a driver of a vehicle of information relating to the N recommended energy replenishment stations.
16. A navigation method as set forth in claim 15 wherein said notification comprises a visual notification and/or an acoustic notification.
17. A navigation method as set forth in claim 16 wherein said information includes at least of a number, name, location, distance, said energy replenishment amount of said recommended energy replenishment station.
18. The navigation method according to claim 17, further comprising planning a travel path including leads to N of the recommended energy replenishment stations.
19. The navigation method according to claim 18, wherein the energy replenishment price is a function of time and/or location.
20. A navigation method as set forth in claim 19 wherein said energy source replenishment station comprises a fuel replenishment station and/or an electricity replenishment station.
21. A navigation method as set forth in claim 20 wherein said method further comprises the step of inputting a type of energy source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798935.7A CN110736477A (en) | 2018-07-19 | 2018-07-19 | Navigation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798935.7A CN110736477A (en) | 2018-07-19 | 2018-07-19 | Navigation system and method |
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| CN110736477A true CN110736477A (en) | 2020-01-31 |
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| CN201810798935.7A Pending CN110736477A (en) | 2018-07-19 | 2018-07-19 | Navigation system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759897A (en) * | 2020-06-04 | 2021-12-07 | 现代摩比斯株式会社 | Queue driving control system and method for vehicle |
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| JP2004125430A (en) * | 2002-09-30 | 2004-04-22 | Matsushita Electric Ind Co Ltd | Navigation system, navigation center, on-board navigation system, and navigation method |
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