CN115482681A - Method for assisting in planning a route for a vehicle, and computer storage medium - Google Patents
Method for assisting in planning a route for a vehicle, and computer storage medium Download PDFInfo
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- CN115482681A CN115482681A CN202110618241.2A CN202110618241A CN115482681A CN 115482681 A CN115482681 A CN 115482681A CN 202110618241 A CN202110618241 A CN 202110618241A CN 115482681 A CN115482681 A CN 115482681A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012216 screening Methods 0.000 claims abstract description 11
- 230000001174 ascending effect Effects 0.000 claims description 8
- 238000004590 computer program Methods 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096833—Systems involving transmission of navigation instructions to the vehicle where different aspects are considered when computing the route
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Abstract
The present invention relates to a method, and computer storage medium, for assisting in planning a route for a vehicle. The method of assisting in planning a route for a vehicle comprises the steps of: generating an initial planned route to a destination according to a received instruction comprising the destination; when the difference value between the initial driving range of the vehicle and the driving range required by the initial planned route is smaller than or equal to a first preset numerical value, generating an energy replenishment position in the initial planned route; and screening energy replenishment stations meeting preset requirements in a preset range of the energy replenishment positions, generating a secondary planned route comprising confirmed energy replenishment stations, and updating the initial planned route to the secondary planned route to serve as the planned route of the vehicle. The invention can be beneficial to avoiding re-planning the route due to energy supply, thereby ensuring that the travel experience is smoother and the like.
Description
Technical Field
The present invention relates to the field of traffic technology, and more particularly, to a method, and computer storage medium, for assisting in planning a route of a vehicle.
Background
In the trip process of the vehicle, the condition that the energy of the vehicle is insufficient to complete the subsequent trip is inevitable, nearby energy supply stations are temporarily searched for many times, the route needs to be re-planned and the vehicle goes to the energy supply stations to supply energy, and the trip experience is not smooth enough.
Accordingly, there is a need for improved methods, and computer storage media, that assist in planning a route for a vehicle.
Disclosure of Invention
Technical problems addressed by the present invention include how to meet the need for an improved method of assisting in planning a route for a vehicle, and a computer storage medium.
One aspect of embodiments of the present invention relates to a method of assisting in planning a route of a vehicle, comprising the steps of: generating an initial planned route to a destination according to a received instruction comprising the destination; when the difference value between the initial driving range of the vehicle and the driving range required by the initial planned route is smaller than or equal to a first preset numerical value, generating an energy replenishment position in the initial planned route; and screening energy replenishment stations meeting preset requirements in a preset range of the energy replenishment positions, generating a secondary planned route comprising confirmed energy replenishment stations, and updating the initial planned route to the secondary planned route to serve as the planned route of the vehicle.
Optionally, the initial driving range is obtained before the step of generating the energy replenishment position in the initially planned route when the difference between the initial driving range of the vehicle and the driving range required by the initially planned route is smaller than or equal to a first preset value.
Optionally, the first preset value comprises an energy warning mileage value of the vehicle.
Optionally, the step of generating an energy replenishment location in the initially planned route when the initial range of the vehicle differs from the required range of the initially planned route by less than or equal to a first preset value comprises calculating an expected range of the vehicle on the way of the initially planned route, the energy replenishment location being generated at a location where the expected range of the way is less than or equal to the first preset value.
Optionally, the energy replenishment location is one or more.
Optionally, the radius value of the preset range is smaller than or equal to the first preset value.
Optionally, in the step of screening energy replenishment stations meeting a predetermined requirement within a preset range of the energy replenishment location, generating a secondary planned route including confirmed energy replenishment stations, and updating the initial planned route to the secondary planned route as the planned route of the vehicle, the screening of energy replenishment stations meeting a predetermined requirement includes:
and sequencing all the energy replenishment stations within the preset range in an ascending order according to the energy replenishment cost, wherein the ascending order result is used as the energy replenishment station recommendation result for the user to select.
Optionally, the energy replenishment costs include direct costs and indirect costs.
Optionally, the energy replenishment cost comprises a distance cost, an idle state cost, an energy price.
Optionally, the method of assisting in planning a route of a vehicle comprises the steps of: reserving the identified energy replenishment site in the planned route.
Another aspect of embodiments of the present invention relates to a computer storage medium storing a computer program comprising program instructions which, when executed by a processor, perform the steps of the method of assisting in planning a route of a vehicle as described above.
The embodiment of the invention can be beneficial to bringing energy supply into a plan when planning the route of the vehicle, and avoids the problems that the route is re-planned due to the energy supply, the experience of the vehicle is smoother and the like.
Where the technical conditions warrant, the subject matter of any independent claim in this application may be combined with any single subject matter or combination of subject matter recited in any dependent claims to form new claimed subject matter.
Embodiments of the present invention will be further described with reference to the accompanying drawings. The same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and the description of the same or similar elements in different embodiments and the description of prior art elements, features, effects, etc. may be omitted herein.
Drawings
Fig. 1 is a flow chart illustrating a method for assisting in planning a route of a vehicle according to an aspect of an embodiment of the present invention.
Fig. 2 is a schematic diagram of an application scenario according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a flow chart illustrating a method for assisting in planning a route of a vehicle according to an aspect of an embodiment of the present invention. Referring to fig. 1, a method 10 of assisting in planning a route for a vehicle includes the steps of: 12. generating an initial planned route to a destination according to a received instruction comprising the destination; 14. when the difference value between the initial driving range of the vehicle and the driving range required by the initial planned route is smaller than or equal to a first preset numerical value, generating an energy replenishment position in the initial planned route; and 16, screening energy replenishment stations meeting preset requirements in a preset range of the energy replenishment positions, generating a secondary planned route comprising confirmed energy replenishment stations, and updating the initial planned route into the secondary planned route to serve as the planned route of the vehicle.
The embodiment of the invention can be beneficial to bringing the energy supply into the plan when planning the route of the vehicle, and avoids the problems that the route is re-planned due to the energy supply, the experience of the vehicle is more smooth, and the like.
In embodiments of the present invention, unless otherwise specifically indicated, the vehicle may include any artificial means for human mobility or transportation. The vehicle may comprise at least one of a vehicle, a vessel, an aircraft.
In embodiments of the present invention, the vehicle may functionally communicate information with a person, with the outside world (e.g., the cloud), and/or with components, devices, equipment, systems included in the vehicle, etc., unless specifically noted otherwise. Examples of parts, devices, equipment, systems comprised by the vehicle may relate to route planning, navigation, etc.
The step 12 of generating an initial planned route to the destination according to the received instruction including the destination may be performed by a navigation function of the vehicle. The instruction may be issued by the user in voice, text, key press, menu selection, etc. The initial planned route may be displayed on a display device carried by the vehicle.
In embodiments of the present invention, unless otherwise specifically indicated, energy may include resources from which a vehicle generates power, including, but not limited to, fuel such as oil, gas, electricity, a combination of fuel and electricity, and the like.
In embodiments of the present invention, unless otherwise specifically stated, energy replenishment may include replenishing the vehicle with resources from which power is generated, including, but not limited to, fuel such as oil, gas, electricity, a combination of fuel and electricity, and the like.
Optionally, the initial driving range is obtained before the step 14 of generating the energy replenishment location in the initially planned route when the difference between the initial driving range of the vehicle and the driving range required for the initially planned route is less than or equal to a first preset value. Therefore, the method can help to judge whether the difference value is smaller than or equal to the first preset value by referring to the initial endurance mileage after acquisition.
The step 14 of generating the energy replenishment location in the initially planned route may be performed by a cloud when the difference between the initial driving range of the vehicle and the driving range required for the initially planned route is less than or equal to a first preset value. The cloud may include a private cloud, and/or a public cloud.
The vehicle may be queried to obtain the initial range while assisting in planning the route. The initial driving range may be obtained by calculating a range that the vehicle is expected to travel based on energy in the vehicle at the time of the expected departure, while assisting the planning of the route.
The mileage required for the initially planned route may be acquired by calculating a total mileage expected to be required to reach the destination, assuming that the vehicle travels along the initially planned route.
The difference may be obtained by subtracting the value of the mileage required for the initial planned route from the value of the initial driving range.
The first preset value may be set according to needs, the kind of vehicle, the model of vehicle, user's preference, and the like. Optionally, the first preset value comprises an energy warning mileage value of the vehicle. In this way, it is possible to advantageously avoid a situation in which the vehicle is anchored in the way due to insufficient energy. The energy warning mileage value may be set by the manufacturer of the vehicle prior to sale. The vehicle may be queried for the first preset value.
The energy replenishment location can be generated as needed, at the user's preference, etc. Optionally, the step 14 of generating an energy replenishment location in the initially planned route when the initial range of the vehicle differs from the required range for the initially planned route by less than or equal to a first preset value comprises calculating an expected range of the vehicle on the way of the initially planned route, the energy replenishment location being generated at a location where the expected range is less than or equal to the first preset value. As such, it may be advantageous to generate the energy replenishment location based on a projected energy consumption profile of the vehicle.
The predicted energy consumption condition may be related to the initial range, and a predicted energy consumption rate of the vehicle. The predicted en-route range for the vehicle at a location along the initial planned route prior to reaching the destination may be calculated based on the initial range and the predicted energy consumption speed of the vehicle.
Optionally, the energy replenishment location is one or more. An estimated post-energy-replenishment range for the energy replenishment location along the initially planned route for the vehicle may be estimated, and the number of energy replenishment locations determined from the estimated post-energy-replenishment range.
An expected en-route difference between the expected post-replenishment mileage at a first of the energy replenishment locations after departure of the vehicle and an expected en-route required mileage to reach the destination from the first of the energy replenishment locations may be calculated. The en-route predicted difference may be compared with the first preset value, and if the en-route predicted difference is greater than the first preset value, the corresponding first energy supply location is the last energy supply location before the destination in the initially planned route is reached, where the energy supply location is one.
On the contrary, if the en-route expected difference value is smaller than or equal to the first preset value, there are other energy replenishment positions between the corresponding first energy replenishment position and the destination, and the number of the energy replenishment positions is multiple.
When the predicted en-route difference is less than or equal to the first preset value, the predicted post-supply mileage of the vehicle at the corresponding first energy supply location may be used as the updated initial mileage, the predicted en-route mileage of the vehicle at a location along the initially planned route from the first energy supply location may be calculated, and a second energy supply location may be generated at a location where the predicted en-route mileage is less than or equal to the first preset value.
An expected en route difference between the expected post-tender mileage at the second energy replenishment location of the vehicle and an expected en route mileage required to reach the destination from the second energy replenishment location along the initially planned route may be calculated. The en-route predicted difference may be compared with the first preset value, and if the en-route predicted difference is greater than the first preset value, the corresponding second energy supply location is the last energy supply location before the destination in the initially planned route is reached.
On the contrary, if the en-route predicted difference is less than or equal to the first preset value, there are other energy replenishment locations between the corresponding second energy replenishment location and the destination.
When the predicted en-route difference is less than or equal to the first preset value, the predicted post-supply mileage of the vehicle at the corresponding second energy supply location may be used as the updated initial mileage, the predicted en-route mileage of the vehicle before the vehicle reaches the destination along the initially planned route from the second energy supply location may be calculated, and a third energy supply location may be generated at a location where the predicted en-route mileage is less than or equal to the first preset value.
And repeating the steps until the generated energy supply position is the last energy supply position, and the corresponding en-route predicted difference value is larger than the first preset value.
And making a circle by taking the energy supply position as a circle center, wherein the range in the obtained circle is the preset range. And the radius value of the preset range is less than or equal to the first preset value. In this way, it is possible to help prevent the vehicle from being anchored due to insufficient energy on the way to the energy supply site.
Optionally, in the step 16 of screening energy replenishment stations meeting a predetermined requirement within a preset range of the energy replenishment location, generating a secondary planned route including confirmed energy replenishment stations, and updating the initial planned route to the secondary planned route as the planned route of the vehicle, the screening of energy replenishment stations meeting a predetermined requirement includes:
and sequencing all the energy replenishment stations within the preset range in an ascending order according to the energy replenishment cost, wherein the ascending order result is used as the energy replenishment station recommendation result for the user to select.
Thus, it may be beneficial to save the cost of energy replenishment for the user, and it may also be helpful to provide some flexibility for the user to select, identify energy replenishment sites with reference to other factors while considering the cost of energy replenishment.
The screening of energy replenishment sites meeting predetermined requirements may be performed through the cloud. All energy replenishment stations within the preset range may be obtained by querying. Taking a vehicle as an example, the radius value may be 20 km. For a high-speed section of the vehicle, the radius value may be 80 kilometers, and the predetermined requirement may be that the vehicle is located in a high-speed service area.
The ascending sort result may be presented on a display device carried by the vehicle or the like where the user may perceive it. In the ascending ranking result, the energy replenishment sites with lower energy replenishment costs may be ranked at locations that are easier to be discovered by the user, and the energy replenishment sites with higher energy replenishment costs may be ranked at locations that are less easy to be discovered by the user.
The energy supply cost in this embodiment includes a direct cost and an indirect cost. The direct cost may include an energy price expected to be replenished at the energy replenishment site, which may be obtained by multiplying a unit price of the energy at the energy replenishment site by an expected replenishment quantity of the energy. The indirect costs may include distance costs, idle state costs, and the like.
Specifically, the energy replenishment cost includes a distance cost, an idle state cost, and an energy price. The distance cost may be obtained based on a cost associated with a distance calculation between the energy replenishment site and the initial planned route. The idle state cost may be obtained by calculating a relative cost in time between the vehicle being expected to arrive at the energy replenishment site and the expected start of energy replenishment based on an expected idle state of the energy replenishment site at the time the vehicle is expected to arrive at the energy replenishment site.
Further, the method 10 of assisting in planning a route of a vehicle includes: step 18, reserving the confirmed energy replenishment site in the planned route. Thus, the use time of the charging pile for example of the confirmed energy supply station can be favorably locked through reservation, so that the travel time estimation of the electric vehicle is more accurate, and the planned route is more reasonable. The step 18 of reserving the identified energy replenishment site in the planned route may be performed by the cloud.
Another aspect of embodiments of the present invention relates to a computer storage medium storing a computer program comprising program instructions which, when executed by a processor, perform the steps of the method 10 of assisting in planning a route of a vehicle as described above.
The embodiment of the invention can be beneficial to bringing the energy supply into the plan when planning the route of the vehicle, and avoids the problems that the route is re-planned due to the energy supply, the experience of the vehicle is more smooth, and the like.
The computer storage medium may include a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like. The computer storage medium may also include Non-Volatile Memory (Non-Volatile Memory), non-Transitory Memory (Non-transient Memory), or the like.
Fig. 2 is a schematic diagram of an application scenario according to an embodiment of the present invention. As shown in fig. 2, in assisting in planning a route for a vehicle 40 from a departure 42 to a destination 44: generating an initial planned route 46 to the destination 44 in accordance with the received instructions including the destination 44; generating an energy replenishment location 48 in the initially planned route 46 when the initial range of the vehicle 40 differs from the required range for the initially planned route 46 by less than or equal to a first predetermined value; and screening energy replenishment stations 52 meeting predetermined requirements within a preset range 50 of the energy replenishment location 48, generating a secondary planned route 54 including the confirmed energy replenishment stations 52, and updating the initial planned route 46 to the secondary planned route 54 as the planned route for the vehicle 40. After planning is completed, navigation may begin according to the planned route.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (11)
1. A method (10) of assisting in planning a route of a vehicle, comprising the steps of:
(12) Generating an initial planned route to the destination according to the received instruction comprising the destination;
(14) When the difference value between the initial driving mileage of the vehicle and the driving mileage required by the initial planned route is smaller than or equal to a first preset numerical value, generating an energy replenishment position in the initial planned route; and
(16) And screening energy replenishment stations meeting preset requirements in a preset range of the energy replenishment positions, generating a secondary planned route comprising confirmed energy replenishment stations, and updating the initial planned route to the secondary planned route to serve as the planned route of the vehicle.
2. The method (10) for assisting in planning a route for a vehicle of claim 1, wherein the initial range is obtained prior to the step (14).
3. The method (10) of assisting in planning a route of a vehicle of claim 1, the first preset value comprising an energy warning mileage value of the vehicle.
4. The method (10) of assisting in planning a route for a vehicle of claim 1, the step (14) comprising calculating a projected range for the vehicle on the initially planned route, the energy replenishment location being generated at a location where the projected range is less than or equal to the first preset value.
5. The method (10) of assisting in planning a route of a vehicle of claim 1, the energy replenishment location being one or more.
6. The method (10) for assisting in planning a route for a vehicle of claim 1, the radius value of the preset range being less than or equal to the first preset value.
7. The method (10) for assisting in planning a route for a vehicle of claim 1, wherein the step (16) of screening energy replenishment stations meeting predetermined requirements comprises:
and sequencing all the energy replenishment stations within the preset range in an ascending order according to the energy replenishment cost, wherein the ascending order result is used as the energy replenishment station recommendation result for the user to select.
8. The method (10) for assisting in planning a route for a vehicle of claim 7, the energy replenishment cost comprising a direct cost and an indirect cost.
9. The method (10) of assisting in planning a route for a vehicle of claim 7, the energy replenishment cost comprising a distance cost, an idle state cost, an energy price.
10. The method (10) of assisting in planning a route of a vehicle of claim 1, comprising: step (18), reserve the confirmed energy replenishment site in the planned route.
11. A computer storage medium, characterized in that a computer program comprising program instructions is stored, which program instructions, when executed by a processor, perform the method (10) of assisting the planning of a route of a vehicle according to any of claims 1-10.
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