CN102346041B - Route planning method and service equipment based on real-time road condition - Google Patents
Route planning method and service equipment based on real-time road condition Download PDFInfo
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Abstract
The invention discloses a route planning method and service equipment based on a real-time road condition. The method comprises the following steps of: acquiring the current position of a target to be measured at the initial time of the next route planning judgment period; acquiring the optimal determined route; acquiring a current initial road condition value of each road section; determining a road section within a set travel range in the optimal route as a road section to be measured; after setting an acquisition period, acquiring a real-time road condition value of each road section to be measured; calculating a total road condition changed value according to a road condition planning strategy; and judging whether the total road condition changed value is less than a preset value, if so, returning to the operation of acquiring the current position of the target to be measured without replanning the optimal route, otherwise, replanning the optimal route between two points according to the current position and a destination and returning to the operation of acquiring the current position of the target to be measured. By utilizing the route planning method and service equipment based on the real-time road condition provided by the invention, unnecessary navigation planning can be reduced.
Description
Technical field
The embodiment of the present invention relates to intelligent transport technology, relates in particular to route planning method and service equipment thereof based on real-time road.
Background technology
Intelligent transportation system (Intelligent Transport System, be called for short ITS), thereby refer to advanced person's infotech, data communication transmission technology, electron controls technology, computing machine treatment technology etc. are applied to the novel transportation system of a kind of informationization that traffic transport industry forms, intellectuality, socialization, it makes traffic infrastructure can bring into play maximum efficiency.Real time line planning is the important component part in intelligent transportation system.
Chinese patent CN201069361 discloses a kind of guider that transport information is provided, it passes through receiving traffic information, for the user provides in real time transport information accurately, guider can or change existing route according to the transport information design, the intellectuality of navigation has been realized in can avoid blocking up highway section or avoid inclement weather.Chinese patent CN101451853A discloses a kind of when road the detour method of route of planning that gets congestion.
But there is following problem in existing real-time navigation technology: carry out planning in real time often according to the highway section that blocks up, the navigation response speed is slow.
Summary of the invention
The embodiment of the present invention provides a kind of route planning method based on real-time road and based on the route planning service equipment of real-time road, in order to optimize the scheme according to real-time road planning circuit, reduces the navigation circuit planning number of times.
The embodiment of the present invention provides a kind of route planning method based on real-time road, wherein, comprising:
Wait is obtained the current location of target to be measured to the initial time of next route planning determination cycles;
Obtain fixed optimal route;
Obtain the current initial road conditions value in each highway section on described optimal route;
Determine the highway section in setting travel range in described optimal route, as highway section to be measured;
After setting collection period, gather the real-time road value in each described highway section to be measured;
According to the road conditions planning strategy, calculate the road conditions change value in each described highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured;
Judge that whether described total road conditions change value is less than predetermined value, if, be considered as need not again to plan optimal route, and return and carry out the initial time of waiting for to next route planning cycle, obtain the operation of the current location of target to be measured, if not, again plan optimal route between 2 according to described current location and destination, and return and carry out the initial time of waiting for to next route planning cycle, the operation of obtaining the current location of target to be measured.
Route planning method based on real-time road as above, preferably, according to the road conditions planning strategy, calculate the road conditions change value in each highway section to be measured according to described journey time, initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured and comprise:
Calculate described total road conditions change value P according to following formula;
Wherein, n is total hop count in highway section to be measured, and i is the segment number in highway section to be measured, P
iBe the real-time road value in i section highway section, P
i0Be the initial road conditions value in i section highway section, P
i-P
i0It is the road conditions change value of i section route to be measured.
Route planning method based on real-time road as above, preferably: described setting travel range is that described current location is to described destination, or described setting travel range is for from the highway section that described current location is travelled and experienced in 30 minutes, or described setting travel range is the 10-20 kilometer.
Route planning method based on real-time road as above preferably, after according to the optimal route between 2 of destination and current location planning, also comprises:
Described optimal route is sent to mobile terminal device.
Route planning method based on real-time road as above, preferably, the described current location of obtaining target to be measured comprises:
Receive at least four signals that gps satellite sends, calculate the range information of every described target to be measured of gps satellite distance;
By described range information, try to achieve the coordinate information of current location of target to be measured to determine the current location of target to be measured.
The embodiment of the present invention also provides a kind of route planning service equipment based on real-time road, wherein, comprising:
The station acquisition module is used for waiting for the initial time to next route planning determination cycles, obtains the current location of target to be measured, and triggers the operation of route acquiring module;
Route acquiring module is used for the operation of obtaining fixed optimal route and triggering the initial information acquisition module;
The initial information acquisition module is used for obtaining the current initial road conditions value in each described highway section, and triggers the operation of highway section determination module;
The highway section determination module, for the highway section of determining at described optimal route in setting travel range, as highway section to be measured, and the operation of triggering real-time road condition acquiring module;
The real-time road condition acquiring module is used for gathering the real-time road value in each described highway section to be measured after setting collection period, and triggers the operation of change value computing module;
Change value computing module, be used for according to the road conditions planning strategy, calculate the road conditions change value in each described highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each described route to be measured, and trigger the operation of planning strategy module;
The planning strategy module is used for judging that whether described total weighting road conditions change value is less than predetermined value, if be considered as need not again planning optimal route, and trigger the operation of described station acquisition module; If not, again plan optimal route between 2 according to described current location and destination, and trigger the operation of described station acquisition module.
Route planning service equipment based on real-time road as above, preferably: described route planning service equipment based on real-time road is integrated in the navigation server of network side, described navigation server also comprises the route sending module, is used for described optimal route is sent to automatic navigator.
Route planning service equipment based on real-time road as above, preferably: described route planning service equipment based on real-time road is integrated in automatic navigator.
route planning method and service equipment thereof based on real-time road that the embodiment of the present invention provides, its target to be measured can be vehicle, pedestrian etc., the method is planned optimal route in current location between the destination, be worth to estimate the traffic in this highway section to the impact of target driving according to the weighting road conditions change in each highway section to be measured in setting range on optimal route, with the summation of the weighting road conditions change value in all highway sections to be measured as the trigger condition of whether again planning optimal route, realistic needs that travel not only, and can reduce unnecessary navigation circuit planning number of times.
Description of drawings
The process flow diagram based on the route planning method of real-time road that Fig. 1 provides for the embodiment of the present invention one.
The process flow diagram based on the route planning method of real-time road that Fig. 2 provides for the embodiment of the present invention three.
The schematic diagram based on the route planning service equipment of real-time road that Fig. 3 provides for the embodiment of the present invention four.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
Fig. 1 describes embodiment one for the process flow diagram based on the route planning method of real-time road that the embodiment of the present invention one provides in detail below in conjunction with Fig. 1.The embodiment of the present invention one provides a kind of route planning method based on real-time road, the method of the present embodiment can independently be carried out by automatic navigator or server, also can be by both execution that cooperatively interacts, its target to be measured can be vehicle, pedestrian etc., the method comprises:
Wait is to the initial time of next route planning determination cycles, if vehicle navigator is completed the method, the cycle is fixed value, such as every 10 minutes once; If service end is completed, this cycle is triggered by the signal that waits standby communication terminal, and sort signal can be wire signal, wireless signal or local signal.
When just being open to traffic, also comprise the operation according to the optimal route between reference position and destination planning before step 10 at 2, wherein optimal route comprises one or more highway sections, and this stage can be considered first route planning cycle, then waits for the beginning in next route planning cycle.
After the current location of obtaining for the first time target to be measured, to be registered as current route according to current location and the optimal route between the destination of destination information and the first planning of current location information, it is also the initial value that whole method begins, above-mentioned steps 10 to step 16 circulation is carried out, until the arrival destination, for example, in step 10, when determining that current location is the destination, no longer carry out the operation of again planning according to road conditions.
The route planning method based on real-time road that the embodiment of the present invention one provides can be complete by server, also can be complete by automatic navigator, and also can be coordinated by server and automatic navigator and carry out, do not do restriction at this.
The route planning method based on real-time road that the embodiment of the present invention one provides, plan optimal route in current location between the destination, be worth to estimate the traffic in this highway section to the impact of target driving according to the road conditions change in each highway section to be measured in setting range on optimal route, with the summation of the road conditions change value in all highway sections to be measured as the trigger condition of whether again planning optimal route, realistic needs that travel not only, and can reduce unnecessary planning number of times.
Embodiment two
The embodiment of the present invention two is on the basis of technique scheme, preferably, according to the road conditions planning strategy, calculate the road conditions change value in each highway section to be measured according to initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured and comprise:
Calculate total road conditions change value P according to following formula;
Wherein, n is total hop count in highway section to be measured, and i is the segment number in highway section to be measured, P
iBe the real-time road value in i section highway section, P
i0Be the initial road conditions value in i section highway section, P
i-P
i0It is the road conditions change value of i section route to be measured.
In practical application, set travel range and be current location to the destination, or described setting travel range is for from the highway section that described current location is travelled and experienced in 30 minutes, or described setting travel range is the 10-20 kilometer.Setting travel range can be set according to actual needs by the user, is not construed as limiting at this.If the travel range of in use setting is shorter, can further reduce unnecessary navigation programming number of times.
The embodiment of the present invention two provide based on the route planning method of real-time road with total road conditions change value in highway section to be measured on optimal route as the trigger condition that whether needs again to plan the highway section, can reduce unnecessary navigation number of times.If in use, the travel range of setting is shorter, can further reduce unnecessary navigation programming number of times, improves the computing velocity of server or automatic navigator.
Embodiment three
In the embodiment of the present invention three, the operation of preferably being planned by the navigation server execution path of network side, after according to the optimal route between 2 of destination and current location planning, also comprise step 32: optimal route is sent to mobile terminal device, such as, mobile phone, PDA, mobile unit etc., as shown in Figure 2.
In actual the use, the route planning method based on real-time road that the embodiment of the present invention three provides is preferably completed by navigation server, the navigation server computing velocity is fast, can improve the efficient of real-time navigation, and can greatly simplify the equipment of automatic navigator, such as automatic navigator can be mobile phone, optimal route can be sent to mobile phone terminal with travelling of text message.
The location positioning of target to be measured has a lot of modes, and wherein a kind of mode is to determine by the following method the position of target to be measured: at first, receive at least four signals that gps satellite sends, calculate the range information of every described target to be measured of gps satellite distance; Then, by range information, try to achieve the coordinate information of current location of target to be measured to determine the current location of target to be measured.The method and technology of this definite target location to be measured is skillful, and reliability is high.
Embodiment four
The schematic diagram based on the route planning service equipment of real-time road that Fig. 3 provides for the embodiment of the present invention four should comprise based on route planning service equipment of real-time road: station acquisition module 41, route acquiring module 42, initial information acquisition module 43, highway section determination module 44, real-time road condition acquiring module 45, change value computing module 46 and planning strategy module 47.
Wherein, station acquisition module 41 is used for waiting for the initial time to next route planning determination cycles, obtains the current location of target to be measured, and triggers the operation of route acquiring module 42; Route acquiring module 42 is used for the operation of obtaining fixed optimal route and triggering initial information acquisition module 43; Initial information acquisition module 43 is used for obtaining the current location journey time of each road segment end to the optimal route respectively, and the current initial road conditions value in each highway section, and triggers the operation of highway section determination module 44; Highway section determination module 44, for the highway section of determining at optimal route in setting travel range, as highway section to be measured, and the operation of triggering real-time road condition acquiring module 45; Real-time road condition acquiring module 45 is used for gathering the real-time road value in each highway section to be measured after setting collection period, and triggers the operation of change value computing module 46; Change value computing module 46, be used for according to the road conditions planning strategy, calculate the road conditions change value in each highway section to be measured according to initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured, and trigger the operation of planning strategy module 47; Planning strategy module 47 is used for whether judging total road conditions change value less than predetermined value, if, be considered as need not again planning optimal route, and the operation of trigger position acquisition module 41; If not, again plan optimal route between 2 and the operation of trigger position acquisition module 41 according to current location and destination.
The route planning service equipment based on real-time road that the embodiment of the present invention provides can be carried out the route planning method based on real-time road that any embodiment of the present invention provides, and possesses corresponding functional module.Can plan optimal route between the destination in current location, calculate total road conditions change value according to the road conditions change value in each highway section to be measured in setting range on optimal route, and then whether decision plans optimal route again, realistic needs that travel not only, and can reduce unnecessary planning number of times.
Should can be integrated in the navigation server of network side based on the route planning service equipment of real-time road, navigation server can also comprise the route sending module, is used for optimal route is sent to automatic navigator.Perhaps, the route planning service equipment based on real-time road also can be integrated in automatic navigator.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. the route planning method based on real-time road, is characterized in that, comprising:
Wait is obtained the current location of target to be measured to the initial time of next route planning determination cycles;
Obtain fixed optimal route;
Obtain the current initial road conditions value in each highway section on described optimal route;
Determine the highway section in setting travel range in described optimal route, as highway section to be measured;
After setting collection period, gather the real-time road value in each described highway section to be measured;
According to the road conditions planning strategy, calculate the road conditions change value in each described highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured;
Judge that whether described total road conditions change value is less than predetermined value, if, be considered as need not again to plan optimal route, and return and carry out the initial time of waiting for to next route planning cycle, obtain the operation of the current location of target to be measured, if not, again plan optimal route between 2 according to described current location and destination, and return and carry out the initial time of waiting for to next route planning cycle, the operation of obtaining the current location of target to be measured;
Wherein, according to the road conditions planning strategy, calculate the road conditions change value in each highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured and comprise:
Calculate described total road conditions change value according to following formula;
Wherein, n is total hop count in highway section to be measured, and i is the segment number in highway section to be measured, P
iBe the real-time road value in i section highway section, P
i0Be the initial road conditions value in i section highway section, P
i-P
i0It is the road conditions change value of i section route to be measured.
2. the route planning method based on real-time road according to claim 1, it is characterized in that: described setting travel range is that described current location is to described destination, or described setting travel range is for from the highway section that described current location is travelled and experienced in 30 minutes, or described setting travel range is the 10-20 kilometer.
3. the route planning method based on real-time road according to claim 1, is characterized in that, after according to the optimal route between 2 of destination and current location planning, also comprises:
Described optimal route is sent to mobile terminal device.
4. the route planning method based on real-time road according to claim 1, is characterized in that, the described current location of obtaining target to be measured comprises:
Receive at least four signals that gps satellite sends, calculate the range information of every described target to be measured of gps satellite distance;
By described range information, try to achieve the coordinate information of current location of target to be measured to determine the current location of target to be measured.
5. the route planning service equipment based on real-time road, is characterized in that, comprising:
The station acquisition module is used for waiting for the initial time to next route planning determination cycles, obtains the current location of target to be measured, and triggers the operation of route acquiring module;
Route acquiring module is used for the operation of obtaining fixed optimal route and triggering the initial information acquisition module;
The initial information acquisition module is used for obtaining the current initial road conditions value in each highway section, and triggers the operation of highway section determination module;
The highway section determination module, for the highway section of determining at described optimal route in setting travel range, as highway section to be measured, and the operation of triggering real-time road condition acquiring module;
The real-time road condition acquiring module is used for gathering the real-time road value in each described highway section to be measured after setting collection period, and triggers the operation of change value computing module;
Change value computing module, be used for according to the road conditions planning strategy, calculate the road conditions change value in each described highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each described route to be measured, and trigger the operation of planning strategy module;
The planning strategy module is used for whether judging described total road conditions change value less than predetermined value, if be considered as need not again planning optimal route, and trigger the operation of described station acquisition module; If not, again plan optimal route between 2 according to described current location and destination, and trigger the operation of described station acquisition module;
Wherein, according to the road conditions planning strategy, calculate the road conditions change value in each highway section to be measured according to described initial road conditions value and real-time road value, calculate total road conditions change value according to the road conditions change value of each route to be measured and comprise:
Calculate described total road conditions change value according to following formula;
Wherein, n is total hop count in highway section to be measured, and i is the segment number in highway section to be measured, P
iBe the real-time road value in i section highway section, P
i0Be the initial road conditions value in i section highway section, P
i-P
i0It is the road conditions change value of i section route to be measured.
6. the route planning service equipment based on real-time road according to claim 5, it is characterized in that: described route planning service equipment based on real-time road is integrated in the navigation server of network side, described navigation server also comprises the route sending module, is used for described optimal route is sent to automatic navigator.
7. the route planning service equipment based on real-time road according to claim 5, it is characterized in that: described route planning service equipment based on real-time road is integrated in automatic navigator.
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| CN103000040B (en) * | 2012-11-26 | 2015-04-22 | 余姚市慧点电子科技开发有限公司 | Road condition crowding suggesting method |
| CN103000039B (en) * | 2012-11-26 | 2014-12-03 | 余姚德诚科技咨询有限公司 | Road condition crowding suggesting device |
| CN104006820A (en) * | 2014-04-25 | 2014-08-27 | 南京邮电大学 | Personalized dynamic real time navigation method and navigation system |
| CN105547311A (en) * | 2015-12-08 | 2016-05-04 | 深圳天珑无线科技有限公司 | Route planning method, mobile terminal, and system |
| CN108627162B (en) * | 2017-03-21 | 2021-03-05 | 阿里巴巴（中国）有限公司 | Navigation route determining method and device |
| CN107423835A (en) * | 2017-03-31 | 2017-12-01 | 上海斐讯数据通信技术有限公司 | A kind of acquisition methods and device of user's travel time |
| CN110542426B (en) * | 2018-05-28 | 2022-03-25 | 百度在线网络技术（北京）有限公司 | Method, device and readable medium for identifying small path |
| CN108955709A (en) * | 2018-07-16 | 2018-12-07 | 深圳市元征科技股份有限公司 | A kind of regular bus route planning method, system, equipment and computer storage medium |
| CN110057982A (en) * | 2019-05-17 | 2019-07-26 | 湖南雅一生物科技有限公司 | A kind of outdoor environment monitoring analysis system and method |
| CN110363464A (en) * | 2019-06-04 | 2019-10-22 | 广东高捷航运物流有限公司 | A kind of Route optimization method and system |
| CN115140453A (en) * | 2022-05-16 | 2022-10-04 | 浙江美丽健乳业有限公司 | Milk raw milk delivery monitoring alarm system |
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Effective date of registration: 20181023 Address after: 100085 room 6419, Kang De mansion 17, Shanghai Sixth Street, Haidian District, Beijing. Patentee after: Beijing Siwei Zhi Lian Technology Co.,Ltd. Address before: 100025 building 16, Huamao center, 89 Jianguo Road, Chaoyang District, Beijing 902 Patentee before: Beijing Tengrui Wanli Information Technology Co.,Ltd. |
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Denomination of invention: Real time road condition based route planning method and service equipment thereof Effective date of registration: 20200709 Granted publication date: 20130626 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Siwei Zhi Lian Technology Co.,Ltd. Registration number: Y2020990000727 |
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Date of cancellation: 20220614 Granted publication date: 20130626 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Siwei Zhi Lian Technology Co.,Ltd. Registration number: Y2020990000727 |
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Denomination of invention: Route planning method and service equipment based on real-time road conditions Effective date of registration: 20220614 Granted publication date: 20130626 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Siwei Zhi Lian Technology Co.,Ltd. Registration number: Y2022990000328 |
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Granted publication date: 20130626 Pledgee: Beijing Yizhuang International Financing Guarantee Co.,Ltd. Pledgor: Beijing Siwei Zhi Lian Technology Co.,Ltd. Registration number: Y2022990000328 |