CN101583845B - Method of indicating traffic delays, computer program and navigation system therefor - Google Patents
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Abstract
A method of indicating traffic delays in a navigation system for planning a route of a vehicle is provided. The method comprises a step of receiving traffic information with position information of each one of a number of delay incidents, a step of determining a position of the vehicle on a planned route, a step of determining a relevance of each one of the delay incidents on the planned route based on the position information of the respective delay incident and on the position of the vehicle, a step of selecting at least one delay incident on the planned route, based on the determined relevance of the respective delay incident, and a step of communicating information concerning the selected delay incident to a user. The method provides an intuitive and user-friendly way of informing the user about delays to be expected.
Description
Technical field
The present invention relates to a kind of method of the navigational system indicating traffic delays at the route that is used for the planning vehicles, described method comprise receive comprise in some delay events each positional information transport information, determine the position of the vehicles on institute's programme path, and will be sent to the user about the information that postpones event.
The invention further relates to computer program and navigational system for the method for carrying out described indicating traffic delays.
Background technology
Now, many drivers use in-vehicle navigation system to come programme path.By using numerical map and user position information, the gps signal that receives based on gps receiver for example, navigation system computes arrives the route of the shortest, the fastest or other optimum of destination.Be that by one of existing problem of navigational system programme path traffic jam, road engineering and other delay event may sharply increase the required time of destination that arrives.For example by Tom Tom (TomTom) (
Www.tomtom.com) some navigational system of providing can receive the transport information about institute's programme path, and adjust institute's programme path in the mode of avoiding bigger delay.For example, the icon of showing the indication lag event at map.The user can use the user interface of navigational system to obtain about postponing the further information of event, for example postpones the position of the beginning of event or end, the predicted delay time that is caused by the delay event or the cause that postpones event.After the user checks and approves or when the specific user asks, can use adjusting institute's programme path automatically.
The problem of known traffic-information service is, the icon on the map only in position that correspondence postpones event on screen the time as seen.Usually, this only is when the situation of user during near the delay event.The user may invisible farther relevant delay incident.When icon becomes when visible, change route and avoid postponing may be too late.
Summary of the invention
The purpose of this invention is to provide to the mode more directly perceived and user-friendly of the delay of user notification expection.
According to a first aspect of the invention, realize this purpose by the method that a kind of navigational system indicating traffic delays at the route that is used for the planning vehicles is provided, described method comprises: receive each the transport information of positional information comprise in some delay events, determine the position of the described vehicles on institute's programme path, determine each the correlativity in the described delay event on the described institute programme path based on the described positional information of phase delay event and based on the described position of the described vehicles, based on described definite correlativity of phase delay event and select at least one delay event on the described institute programme path, and will be sent to the user about the information of described selected delay event.
By only relevant delay incident being sent to the user, the mode of understanding easily with the user is sent to the user with the information that obtains and exceeds to disturb and provide common itinerary information just to become much easier.For instance, can read selected delay event loudly by the text-to-speech converter, or can on the relatively little subdivision of display, will select the delay event and be shown as text, figure or both combinations.The inventor recognizes that the correlativity of delay event depends primarily on the positional information of event.Be positioned at apart from current location 100km traffic jam far away another traffic jam far away not as 10km only relevant.
In the embodiment of the method according to this invention, transport information further comprises by each predicted delay that causes in described some delay events, and each the correlativity in the described delay event on definite institute programme path is further based on the described predicted delay that is caused by the phase delay event.Postponing in one hour that begins at distance current location 20 km places may be than only the delay in far away 2 minutes of 2 kms is much relevant.
Preferably, be updated periodically the position of transport information, the vehicles and each the correlativity in described some delay events.After each upgrades, be sent to the user with new relevant delay incident with to the change of the delay event of previous transmission.In addition, system can remove information about the delay event with the correlativity that reduces from indicator screen.
In the embodiment of the method according to this invention, described method further comprises determines the common total predicted delay of all delay events on the described institute programme path, and described total predicted delay is sent to the user.The user that is designated as of the total delay amount of expection provides the duration of the non-selected delay event that transmits and the good estimation that arrives the expeced time of destination.
Preferably, the transmission of total predicted delay comprises provides the alert message that can listen when the delay situation significantly changes.Can be very often or even almost upgrade transport information continuously.Whether yet the user should pay close attention to road and should not watch the screen of navigation to change to check and approve in the traffic conditions always.If the user receives the message that can listen when the change of being paid close attention to of observing traffic conditions or renewal, do not need to watch continuously display so.
According to a second aspect of the invention, provide a kind of computer program, described procedure operation is carried out the method according to this invention to cause processor.
According to a third aspect of the invention we, provide a kind of navigational system of route for the planning vehicles, described system comprises: receiver, and it is used for receiving each the transport information of positional information that comprises some delay events; Storer, it is used for the transport information of the described reception of storage; Processor.Described processor through arrange with: determine the position of the described vehicles on institute's programme path, determine each the correlativity in the described delay event on the described institute programme path based on the described positional information of phase delay event and based on the position of the described vehicles, and select at least one the delay event on the described institute programme path based on described definite correlativity of phase delay event.Described system further comprises output terminal, and it is used for and will be sent to the user about the information of described selected delay event.
From embodiment described below, will understand and will be illustrated with reference to the embodiments described below these and other aspect of the present invention.
Description of drawings
In graphic:
Fig. 1 shows according to guider of the present invention,
Fig. 2 is the assembly of the guider of exploded view 1 schematically,
Fig. 3 shows the process flow diagram of the method according to this invention,
Fig. 4 shows the exemplary views of the display of guider,
Fig. 5, Fig. 6 and Fig. 7 show the example of the traffic bar that is used to indicate traffic delays.
Embodiment
Fig. 1 shows according to guider 10 of the present invention.Guider 10 comprises display 11, and it is used for showing for example route information and transport information.Guider 10 further comprises a class boundary bin spare 12, and it is used for making the user can be mutual with guider 10.Preferably, display 11 is touch-screen displays, and the user interface of guider 10 is at least part of by implementing at the menu of described touch-screen displaying and operation.Guider 10 can use speech recognition to come to receive control command from the user.Preferably, guider use the text-to-speech conversion with via the message that can listen to user notification institute programme path, transport information or out of Memory.
Fig. 2 is the assembly of the guider 10 of exploded view 1 schematically.Guider comprises processor 13, and it is used for the function of control guider 10.Processor 13 thinks that through arranging to handle the input data from (for example) user, gps satellite and traffic delays information service the user calculates the optimal route that advances to the destination.Processor 13 is coupled to user interface 11,12 being used for receiving instruction from the user, and is coupled to display 11 to be used for showing (for example) institute programme path, transport information and user interface option.Processor 13 also is coupled to the storer 14 for storing software and data.Software is used to carry out all functions of guider 10 by processor.Data comprise (for example) destination, map datum, user profile, figure and voice data.Loudspeaker 15 is coupled to processor 13 to be used for providing the message that can listen.Guider 10 can comprise some communication units 16, and it all is coupled to processor 13.In general, guider 10 comprises the GPS sensor, and it is used for determining the current location of guider 10.Can be used as replacement scheme or use other suitable technique in addition, for example use the information that derives from based on the wireless communication system (for example, GSM, UMTS, GPRS, WiFi or WiMAX) of residential quarter.Can be via (for example) AM or FM wireless communication, dedicated satellite systems, mobile telephone communications network network (for example, GSM, UMTS, GPRS), perhaps via local communication member (for example, bluetooth or USB) via near phone or computing machine, obtain transport information from source of traffic information.By said modules, guider 10 is suitable for carrying out the method according to this invention.Yet it should be noted that under the situation that does not reduce the applicability of carrying out the method according to this invention, can make and revise or interpolation.
Fig. 3 shows the process flow diagram of the method according to this invention.Can when passing through institute's programme path, carry out by the vehicles the method according to this invention.Receiving step 21 beginnings of described method to be used for receiving traffic information.Transport information comprises the positional information of some delay events, transport information also can comprise about postponing the extraneous information of event, for example delay type (for example, roadblock, accident, road engineering, slow mobile traffic, peak period), predicted delay, trend (for example, increase or reduction) or other extraneous information, for example moment of the last time of information renewal.In general, guider 10 can be used for big zone all transport information of (for example, be used for whole country or state, or even be used near a plurality of country or states) with reception.Yet according to request, the zone that is covered by described transport information can reduce according to the position of institute's programme path or the vehicles.
In position determining step 22, determine the position of the vehicles on institute's programme path.In general, guider 10 comprises the GPS sensor for the current location of determining guider 10.Can be used as replacement scheme or use other suitable technique in addition, for example use the information that derives from based on the wireless communication system (for example GSM, UMTS, GPRS, WiFi or WiMAX) of residential quarter.
Subsequently in correlativity determining step 23, the correlativity of each in the delay event on institute's programme path.All transport information that receive in the receiving step 21 are filtered, so that selection is positioned at the delay event on institute's programme path.For all the delay events on institute's programme path, calculate relevance values.Wherein, relevance values is based on the positional information of current vehicle position and delay event.Only several kms are far away apart from current vehicle position if for example postpone event, and event is very relevant so, and will obtain high correlation value.If the delay event is that 200 kms are far away, it may disappear when the vehicles arrive the position of described delay event so.This event is therefore more uncorrelated, and will obtain lower relevance values.Relevance values can be further based on the predicted delay that is caused by the delay event.Retardation ratio postponed more relevant in 3 minutes in one hour.Preferably, relevance values is based on its position and the combination of the predicted delay that is associated.For instance, several kms postponed to postpone than 10 minutes of about 200 kms more relevant in far away 3 minutes, and 20 kms postponed and may postpone more important than 3 minutes near next turning in far away one hour.
The example that can influence other standard of relevance values be delay type (for example, roadblock, accident, road engineering, slow mobile traffic, peak period), predicted delay, trend (for example, increase or reduction) or other extraneous information, for example moment of the last time of information renewal.Preferably, all standards work together.For instance, the delay in a hour that is caused by 300km peak period traffic jam far away may not be to be correlated with very much.Yet having closed a couple of days and 500km tunnel far away is relevant delay incident.
All postpone after the relevance values of event on determining route, select to be used for being sent to one or more delay events of user in selecting step 24.In communication steps 25, only selected event is sent to the user.When only to the maximally related delay event of user notification, the user will can be worried because of more incoherent information.Can carry out the propagation delay event by present graphical or text on display 11 and/or by via loudspeaker 15 information being provided as spoken text.When only showing maximally related event, the major part of display still can be used for showing map, route information and out of Memory.
In the embodiment of the method according to this invention, the combination of the distance that postpones event and the delay that is caused by the delay event is depended in the selection that postpones event.Maximally related delay event is nearby and causes than long delay.Least Xiang Guan delay event be away from and cause short the delay.For each possible incident distance, can there be the minimum delay that makes that event is relevant.On the other hand, for each possible delay, can there be the ultimate range that makes that the delay event is relevant.Selection algorithm can (for example) be selected for the delay event that is sent to the user as follows:
If an event is only arranged, so never hide event (when the relevance values of event is lower than preset limit value, hiding event) on route.
If the distance to event is shorter than 15km, so never hide event.
Postpone 0-30 second.If=＞distance＞7km hides event so.
Postpone 31-90 second.If=＞distance＞15km hides event so.
Postpone 1-2 minute.If=＞distance＞30km hides event so.
Postpone 2-3 minute.If=＞distance＞45km hides event so.
Postpone 3-4 minute.If=＞distance＞60km hides event so.
Postpone 4-5 minute.If=＞distance＞75km hides event so.
Postpone 5-10 minute.If=＞distance＞150km hides event so.
Postpone 10-15 minute.If=＞distance＞200km hides event so.
Postpone 15-20 minute.If=＞distance＞250km hides event so.
Postpone 20-30 minute.If=＞distance＞300km hides event so.
Postpone＞30 minutes.=＞never hidden event.
Fig. 4 shows the exemplary views of the display 11 of guider 10.Display 11 is showed the ground Figure 31 with or one or more road 37.The current location of the designator 34 expression vehicles on ground Figure 11.The highlighted demonstration of the part of road 37 on ground Figure 11 is with the route 38 of indication to user's suggestion.Information panel 33 can another form (for example, using text and arrow) provide route information.Information panel 33 also can be showed extraneous information, for example battery electric power and Show Options.In this embodiment, traffic bar 32 is used to indicate transport information.The those skilled in the art can use other to show the mode of transport information at screen.Traffic bar 32 comprises vehicle icon 35, the current location of its expression vehicles.Preferably, use same icon as the designator 34 on ground Figure 31, make the user be easier to understand vehicle icon 35.When planning that new route and the vehicles do not begin to advance as yet, vehicle icon can be replaced by " (Go) advances " flag of the starting position of representing route.Finish icon 36 expression destinations.Same icon can be used for representing the destination on ground Figure 31.The line that extends to finish icon 36 from vehicle icon 35 is represented the route planned.The expression to postponing event on the route is positioned on the line.Yet in the situation of Fig. 3, there is not the report delay event.In with figure below, show traffic bar 32, it comprises one or more delay events.It should be noted that traffic bar 32 can be hiding fully when expection does not postpone event.
Fig. 5,6 and 7 shows the example of the traffic bar 32 that is used to indicate traffic delays.In Fig. 5, only show maximally related delay event 41.The delay event of showing is traffic jam, and it causes postponing and beginning at the current location 17km place of the distance vehicles in 6 minutes.The distance of distance designator 43 indications from the vehicles to first relevant delay incident 41.The selected position of delay event 41 on traffic bar 32 is with proportional from vehicles distance to destination.Distance between the route indicator 44 expression vehicles and the destination.When the mid point of delay event (for example) between the vehicles and destination, delay event 41 is shown as the mid point in route indicator 44.Along with the vehicles near the delay event, become shorter by the route of route indicator 44 expression, and the delay event towards vehicle icon to lower slider.When the vehicles pass through selected delay event 41, can show next maximally related delay event.In this example, the scaling of route indicator is linear, yet other option also is available.Described scaling can (for example) be logarithm also.As option, can be by showing along traffic bar and the scaling of traffic bar 32 is indicated in indication apart from the numeral of the distance of the vehicles.
Randomly, the length of traffic bar can be limited to the zone of only representing that transport information can be used, and may not show the disabled part of transport information in the route.For example because connectivity problem and no longer be under the up-to-date situation, traffic bar can " ashing (greyed out) ", namely shows with different colours in transport information.
Indicate the total delay of expection in total expected delay indicator 42 at traffic bar 32 tops.The fact that total expected delay indicator 42 is placed on finish icon 36 next doors will make the user more know the total delay that it relates to, and be connected because it is made between the end of route and its total delay that runs into along this route probably.This will increase availability.The advantage of the plus sige of showing in total expected delay icon 42 is that total delay is indicated to indicate this numeral in the place ahead that is placed on numeral, rather than the delay of one in the event on the route.It should be noted that and alternative to implement total expected delay icon 42.Total delay is all summations that postpone the predicted delay of event on the route.In Fig. 5, total delay is 13 minutes.Through selecting to cause delay in 6 minutes with the event 41 that only has that shows.Non-selected farther and/or cause that other delay event of less delay shows.The delay event of Zhan Shiing does not cause 7 minutes delay jointly.
Transport information is updated periodically, and it can cause shown information to be changed.Preferably, surpass schedule time amount if total predicted delay changes, alert message is provided so.For instance, total predicted delay is increased to 14 minutes and will cause alert message, but becomes when being higher than 18 minutes when total predicted delay, and alert message is provided.Preferably, alert message is provided as the signal that can listen, makes the user needn't repeat to verify display.The user can pay close attention to road subsequently, and this has improved security.Most preferably, use text-to-speech to change to provide alert message, and it comprise the total predicted delay through upgrading.Whether this message also can contain wishes inquiry that route is optimized to the user about him.If the identification of device support voice, the user can answer described problem and need not to decontrol bearing circle so.
In Fig. 6, not only show relevant delay incident, and show some other relevant delay incident.First relevant delay incident 51 is similar to the relevant delay incident 41 among Fig. 5.Equally, the distance between the incident distance indicator 43 displaying vehicles and first dependent event 51.Also select two other relevant delay incident 52,53 to be used for showing in traffic bar 32.Second relevant delay incident 52 also is traffic jam.The 3rd delay event 53 is to narrow down owing to road that road engineering is brought.In this example, do not show the specific delays to these other events 52,53 expections, because it is defined as more incoherent.Yet, in alternate embodiment, also can show the predicted delay of these events.
Fig. 7 a, 7b and 7c show that solution distance designator 43 may can't be engaged in three kinds of different modes of the problem between first relevant delay incident 41 and the vehicle icon 35 too greatly.In Fig. 7 a, by being diminished, distance designator 43 solves this problem.In Fig. 7 b, distance designator 43 vehicle icon 35 slide and vehicle icon 35 no longer as seen.In Fig. 7 c, route indicator 44 is diminished, and distance designator 43 is shown in vehicle icon 35 belows.
To understand, the present invention also extends to and is suitable for computer program that the present invention is tried out, especially is arranged on the carrier or the computer program of carrier.Described program can be the form of source code, object code, code intermediate source and object code (for example form that compiles through part), or is any other form that is suitable for implementing the method according to this invention.Also will understand, this program can have many different structural designs.For instance, functional program code of implementing the method according to this invention or system can be subdivided into one or more subroutines.Be appreciated by those skilled in the art that the many different modes of distribution of functionality between these subroutines.Subroutine can be stored in the executable file together to form self-contained program.This executable file can comprise computer executable instructions, for example processor instruction and/or interpreter directive (for example, Java interpreter directive).Perhaps, one or more in the subroutine or all can be stored at least one external libraries file and static or dynamically (for example, in working time) link with master routine.Master routine contains at least one at least one in the subroutine is called.And subroutine can comprise mutual function call.The embodiment relevant with computer program comprises corresponding to each the computer executable instructions at least one the treatment step in the method for stating.These instructions can be subdivided into subroutine and/or be stored in can one or more files static or dynamically link in.Another embodiment relevant with computer program comprises corresponding to each the computer executable instructions at least one the member in the system that states and/or the product.These instructions can be subdivided into subroutine and/or be stored in can one or more files static or dynamically link in.
The carrier of computer program can be any entity or the device of the program that can carry.For instance, carrier can comprise medium, for example ROM (for example, CD ROM or semiconductor ROM) or magnetic record medium (for example, floppy disk or hard disk).In addition, but carrier can be transport vehicle, for example electricity or light signal, and it can transmit via cable or optical cable or by radio or other member.When routine package was contained in this signal, carrier is cable or other device or member formation thus.Perhaps, carrier can be and wherein embeds the integrated circuit that program is arranged, and described integrated circuit is suitable for execution or is used for carrying out correlation technique.
It should be noted that above-described embodiment explanation rather than restriction the present invention, and without departing from the scope of the appended claims, the those skilled in the art can design many alternate embodiments.In claims, place any reference symbol between the parenthesis should not be interpreted as limitations on claims.Verb " comprises " and the element of stating or the existence of the element the step or step are not got rid of in the use of conjugations in claims.The existence of a plurality of these class components do not got rid of in article " " before the element.Can be by means of the hardware that comprises some different elements and by means of implementing the present invention through the computing machine of suitably programming.In enumerating the device item of some members, the some persons in these members can be implemented by the same project of hardware.Some measure is that the fact of stating in different mutually dependent claims does not indicate the combination of these measures can't be used for bringing advantage.
Claims (11)
1. method at the navigational system indicating traffic delays of the route that is used for the planning vehicles, described method comprises:
Reception comprises each the transport information of positional information in some delay events,
Determine the position of the described vehicles on institute's programme path,
Determine each the correlativity in the described delay event on the described institute programme path based on the described positional information of phase delay event and based on the described position of the described vehicles,
Based on the determined correlativity of described phase delay event and select at least one delay event on the described institute programme path, and
By on the indicator screen of described navigational system, show the expression of selected delay event discretely with shown map datum, to be sent to the user about the information of described selected delay event, in the described expression of showing described selected delay event along the traffic bar at described indicator screen edge, one end of described traffic bar comprises the expression that is traffic the tool icon form of the described position of the described vehicles on described institute programme path, the other end of described traffic bar comprises the finish icon for the destination of the described institute of expression programme path, on the position on the described traffic bar between described vehicle icon and the described finish icon, the distance that corresponds respectively to the distance between incident distance and described selected delay event and the described destination apart from described vehicle icon and described finish icon shows the described expression of described selected delay event.
2. the method for indicating traffic delays according to claim 1, wherein said transport information further comprises by each predicted delay that causes in described some delay events, and wherein said determine in the described delay event on the described institute programme path each described correlativity further based on the described predicted delay that is caused by described phase delay event.
3. the method for indicating traffic delays according to claim 1 and 2, wherein said transport information further comprises each the delay type in described some delay events, and wherein said determine in the described delay event on the described institute programme path each described correlativity further based on the described delay type of described phase delay event.
4. the method for indicating traffic delays according to claim 2, the described correlativity of each in the described delay event on wherein said definite described institute programme path comprises: be higher than the predetermined delay limit value if the incident distance between the position of the described position of the described vehicles and described phase delay event is lower than the described predicted delay of preset distance limit value and/or described phase delay event, so high correlation value be assigned to described phase delay event.
5. the method for indicating traffic delays according to claim 4, wherein said predetermined delay limit value depends on described incident distance.
6. the method for indicating traffic delays according to claim 2, wherein said traffic bar comprise the expression to described user's described predicted delay that is caused by described selected delay event.
7. the method for indicating traffic delays according to claim 2, it further comprises determines that together all postpone total predicted delay of events on the described institute programme path, and described total predicted delay is sent to described user.
8. the method for indicating traffic delays according to claim 7, it further comprises
Be updated periodically described transport information and described total predicted delay, and transmit the described total predicted delay through upgrading,
If satisfy preassigned, provide the alert message that to listen so.
9. the method for indicating traffic delays according to claim 8 wherein when the described renewal of described total predicted delay since previous alert message has caused described total predicted delay increase to be measured above first schedule time, has satisfied described preassigned.
10. according to Claim 8 or the method for 9 described indicating traffic delays, wherein use text-to-speech conversion to produce the described alert message of listening.
11. a navigational system that is used for the route of the planning vehicles, described system comprises:
Receiver, it be used for to receive each the transport information of positional information that comprises some delay events,
Storer, it is used for the transport information that storage receives,
Processor, its through arrange with:
Determine the position of the described vehicles on institute's programme path,
Determine each the correlativity in the described delay event on the described institute programme path based on the described positional information of phase delay event and based on the described position of the described vehicles, and
Based on the determined correlativity of described phase delay event and select at least one delay event on the described institute programme path, and
Display, it is used for and will be sent to the user about the information of selected delay event,
Wherein said processor further through arrange with:
The expression of the described selected delay event that output separates with shown map datum on the indicator screen of described navigational system, in the expression of showing described selected delay event along the traffic bar at described indicator screen edge, one end of described traffic bar comprises the expression that is traffic the tool icon form of the described position of the described vehicles on described institute programme path, the other end of described traffic bar comprises the finish icon for the destination of the described institute of expression programme path, on the position on the described traffic bar between described vehicle icon and the described finish icon, the distance that corresponds respectively to the distance between incident distance and described selected delay event and the described destination apart from described vehicle icon and described finish icon shows the described expression of described selected delay event.
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| PCT/EP2007/060303 WO2008083862A1 (en) | 2007-01-10 | 2007-09-28 | Method of indicating traffic delays, computer program and navigation system therefor |
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| CN200780049445A Pending CN101641567A (en) | 2007-01-10 | 2007-10-05 | A method of conserving power in a navigation device and a power conserving navigation device |
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Also Published As
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| CN101583847A (en) | 2009-11-18 |
| CN101583848A (en) | 2009-11-18 |
| CN101589294A (en) | 2009-11-25 |
| CN101583845A (en) | 2009-11-18 |
| CN101600941B (en) | 2013-02-06 |
| CN101600941A (en) | 2009-12-09 |
| CN101583950A (en) | 2009-11-18 |
| CN101641567A (en) | 2010-02-03 |
| CN101583846A (en) | 2009-11-18 |
| CN101583848B (en) | 2013-03-20 |
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