WO2014013542A1 - 車載用交通情報通知装置 - Google Patents
車載用交通情報通知装置 Download PDFInfo
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- WO2014013542A1 WO2014013542A1 PCT/JP2012/068096 JP2012068096W WO2014013542A1 WO 2014013542 A1 WO2014013542 A1 WO 2014013542A1 JP 2012068096 W JP2012068096 W JP 2012068096W WO 2014013542 A1 WO2014013542 A1 WO 2014013542A1
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- traffic
- vehicle
- probability
- fault
- information
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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
- G08G1/091—Traffic information broadcasting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/3453—Special cost functions, i.e. other than distance or default speed limit of road segments
- G01C21/3484—Personalized, e.g. from learned user behaviour or user-defined profiles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3667—Display of a road map
- G01C21/367—Details, e.g. road map scale, orientation, zooming, illumination, level of detail, scrolling of road map or positioning of current position marker
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3691—Retrieval, searching and output of information related to real-time traffic, weather, or environmental conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
- G08G1/0129—Traffic data processing for creating historical data or processing based on historical data
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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
-
- 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
- G08G1/09626—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages where the origin of the information is within the own vehicle, e.g. a local storage device, digital map
-
- 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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
-
- 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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
-
- 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
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
Definitions
- the present invention relates to a vehicle-mounted traffic information notification device.
- a traffic information notification function One of the functions of a car navigation device mounted on a vehicle is a traffic information notification function.
- a car navigation device having a traffic information notification function performs route guidance to a destination, if a traffic obstacle such as traffic jam occurs on the route, the car navigation device notifies the user (driver) of it.
- the destination is not set, even if it detects that a traffic fault has occurred, it will not know whether or not the vehicle will pass through the location of the traffic fault, so there will be no traffic fault notification. It is common.
- Patent Documents 1 and 2 below when a destination is not set, a car navigation device that estimates the travel route of the vehicle and notifies the user of information on a traffic obstacle that may be encountered. Has been proposed.
- the traffic information notification function is activated by estimating the travel route of the own vehicle. If the route to be traveled does not match, there is a problem that appropriate traffic information is not notified.
- the present invention has been made to solve the above problems, and is suitable for the user even when it is difficult to specify the travel route of the host vehicle, for example, when a destination is not set in the car navigation device. It is an object of the present invention to provide an in-vehicle traffic information notification device that can notify traffic information.
- An in-vehicle traffic information notification device includes a current position detection unit that detects a current position of a host vehicle, a travel history data storage unit that stores travel history data of the host vehicle, and a traffic including a traffic fault occurrence position.
- a traffic information receiving unit for acquiring information
- a passage probability calculating unit for calculating a passing probability that is a probability that the own vehicle passes through the position of occurrence of each traffic fault from the current position and travel history data of the host vehicle, and the occurrence of the traffic fault
- a traffic fault notification unit that notifies the user of information in a manner corresponding to the passing probability of the traffic fault.
- the occurrence information of the traffic obstacle is notified to the user in a mode according to the passage probability, it is possible to provide the user with appropriate information (the occurrence information of the traffic obstacle with a high passage probability). it can. Moreover, since the mode of notification of each traffic obstacle changes according to the passing probability, the user can intuitively recognize the high probability of passing of each traffic fault from the mode of notification.
- FIG. 1 It is a figure which shows the structure of the traffic information notification apparatus which concerns on this invention. It is a flowchart which shows operation
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 1.
- FIG. 2 It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 2.
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 3.
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 3.
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 3.
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 3.
- FIG. It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 3.
- FIG. It is a figure which shows an example of the
- FIG. 1 It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 4.
- FIG. 2 It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 4.
- FIG. 2 It is a figure which shows an example of the display mode of the occurrence information of the traffic fault in the traffic information notification apparatus which concerns on Embodiment 4.
- FIG. 2 It is a figure which shows an example of the display mode of the path
- FIG. 5 It is a figure which shows an example of the display mode of the path
- FIG. 1 is a diagram showing a configuration of a traffic information notification device according to the present invention.
- This traffic information notification device is a vehicle-mounted traffic information notification device mounted on, for example, a car navigation device.
- the traffic information notification device includes a traffic information receiving unit 11, a travel history data storage unit 12, a map data storage unit 13, a current position detection unit 14, a passage probability calculation unit 15, a display unit 16, a voice.
- An output unit 17 and a controller 18 are provided.
- the traffic information receiving unit 11 has a function of acquiring traffic information including a position where a traffic fault has occurred.
- the traffic information receiving unit 11 may be configured by, for example, a general-purpose communication device such as a mobile phone or a smartphone, or may receive a TMC (Traffic Message Channel) receiver or a VICS (Vehicle Information Information and Communications System) (registered trademark). You may be comprised by the communication apparatus for exclusive use for the purpose of acquisition of traffic information, such as a machine.
- the travel history data storage unit 12 has a function of storing travel history data indicating a history of roads on which the vehicle has passed in the past.
- the map data storage unit 13 stores digitized map data such as “node” data representing points on the map and “link” data representing roads connecting the nodes.
- the current position detection unit 14 detects the current position of the vehicle based on the GPS receiver, the direction sensor, the information from the distance sensor, and the map data stored in the map data storage unit 13. It has a function. Thereby, the said traffic information notification apparatus can pinpoint the road where the own vehicle is drive
- the passage probability calculation unit 15 determines a route that the host vehicle is expected to pass through. In addition to obtaining the above, it has a function of calculating the probability that the vehicle will pass for each predicted route (hereinafter referred to as “passing probability”).
- the display unit 16 has a function of displaying a map image represented by the map data, a symbol (icon) representing the position of the vehicle or the occurrence of a traffic fault on the map, and a character (text) representing the location of the traffic fault.
- the voice output unit 17 has a function of outputting a voice indicating a position where a traffic fault has occurred. That is, the display unit 16 and the audio output unit 17 have a function as a traffic fault notification unit that notifies the user of traffic fault occurrence information.
- the controller 18 has a function of controlling the entire traffic information notification device by performing various calculations necessary for the operation of the traffic information notification device and controlling the operation of each of the above components.
- FIG. 2 is a flowchart showing the operation of the traffic information notification device according to the present invention.
- the traffic information notification device according to the present invention executes the processing shown in FIG. 2 every time it passes through an intersection in addition to when the vehicle starts to travel.
- step S1 the traffic information notification device generates all of the traffic information received by the traffic information receiving unit 11 in the vicinity of the own vehicle (for example, the distance from the own vehicle is within a predetermined value or less). The information on the occurrence of traffic obstacles is extracted.
- step S2 the traffic information notifying device calculates the probability (passing probability) of the own vehicle passing through the location of the traffic fault extracted in step S1. Specifically, the following processing is performed by the passage probability calculation unit 15.
- step S 2 the passage probability calculation unit 15 determines the own vehicle based on the current position of the host vehicle detected by the current position detection unit 14 and the travel history data of the host vehicle stored in the travel history data storage unit 12. Find one or more routes that a car is expected to pass through. Further, the predicted passing probability of each route is obtained using the travel history data of the own vehicle. At this time, if the predicted path includes the occurrence position of the traffic fault extracted in step S1, the passing probability of the path becomes the passing probability of the traffic fault.
- the traffic information notification device notifies the user of the occurrence information of the traffic fault having a high passage probability using the display unit 16 or the voice output unit 17.
- the display unit 16 may display a symbol indicating the position of occurrence of a traffic fault on a map around the vehicle, or may display a road including the position of occurrence of a traffic fault so that it is conspicuous. It is conceivable that the route to the position where the traffic obstacle occurs is displayed in a conspicuous manner, or that the voice output unit 17 outputs a voice notifying the position where the traffic obstacle occurs.
- the present invention is characterized in that, in step S3, the occurrence information of the traffic fault is notified to the user in a mode corresponding to the passage probability.
- the notification method of the occurrence information of traffic obstacles according to the present invention will be described with a specific example.
- the traffic information notification device user's home is near the intersection where the roads L [1], L [5], L [7], and L [8] are connected, and the travel history data storage unit of the traffic information notification device. 12, it is assumed that the travel history data shown in FIG. In other words, the travel history data storage unit 12 starts from the user's home and is route A (travel count 63 times) in the order of road L [1] ⁇ L [11] ⁇ L [13], road L [1].
- Route B (travel count 28 times) passing in the order of L [11] ⁇ L [12], route C (travel count 15 times), road L [1] ⁇ L [2] ⁇ L [3], road Route D passing through L [8] (travel count 23 times), route E passing through road L [5] ⁇ L [9] (travel count 31 times), road L [1] ⁇ L [10] It is assumed that seven types of travel history data are stored: route F (25 travel times) and route G (13 travel times) in the order of road L [1] ⁇ L [2] ⁇ L [15]. .
- the traffic information notification device when there are a plurality of traffic obstacle occurrence positions, notifies the user (driver) of the information on the occurrence of traffic obstacles in descending order of the passing probability. Further, the notification is not always made for all the traffic obstacles that have occurred, but only a predetermined number of traffic obstacles with a high passing probability are notified.
- notification of three traffic obstacles with a high passing probability is performed.
- the traffic information notification device is generated around the own vehicle from the traffic information received by the traffic information receiving unit 11.
- Information on traffic jams on the roads L [3], L [9], L [12], and L [13] is extracted as the current traffic obstacle (step S1).
- the traffic information notification device calculates the probability (passing probability) that the vehicle passes through each of the traffic jams on the roads L [3], L [9], L [12], and L [13] (step 2). .
- the passage probability of each route is higher in the order of route A, route E, route B, route F, route D, route C, route G. Therefore, the traffic obstacle with the highest passage probability is the traffic jam on the road L [13] included in the route A, and the traffic obstacle with the second highest passage probability is the traffic jam on the road L [12] included in the route B.
- the traffic fault with the third highest passage probability is a traffic jam on the road L [3] included in the route C. Note that the route E including the road L [9] does not include the traveling road L [1], so the traffic jam probability of the road L [9] is calculated as zero.
- the traffic information notification device selects three traffic obstacles having a high passage probability, that is, traffic jams on the roads L [13], L [12], and L [3] as notification targets, and selects them in descending order of the passage probability.
- the user is notified (step S3).
- FIG. 5 is a diagram showing an example of a display mode of traffic fault occurrence information in the traffic information notification apparatus according to the first embodiment, and is a display example of the screen of the display unit 16.
- the identifiers L [1] to L [16] of each road are described for convenience of explanation, but they may not be displayed on the actual screen.
- the traffic information notification device displays three pieces of traffic information having a high pass probability in order from the highest pass probability on the screen of the display unit 16.
- the traffic information on road L [13], the traffic information on L [12], and the traffic information on L [3] are displayed in order.
- the user is notified of the occurrence of traffic faults with a high probability of passage, and the notification of the occurrence information of traffic faults with a low probability of passage is omitted.
- Appropriate information can be provided to the user.
- the notification mode of the occurrence information of each traffic obstacle changes according to the passage probability (in the first embodiment, the higher the passage probability is displayed above)
- the user can change each traffic obstacle from the notification mode. Can be intuitively recognized. Therefore, for example, by mounting the traffic information notification device on the car navigation device, the user can acquire appropriate traffic fault occurrence information even when the destination is not set.
- the traffic obstacles to be notified are selected from a predetermined number (three in this case) from those having a high passage probability, and are not limited to those on one estimated route, so the user obtains information with a high degree of freedom. be able to.
- a predetermined number three in this case
- the user obtains information with a high degree of freedom. be able to.
- FIG. 5 when the vehicle is traveling on the road L [1], not only traffic fault occurrence information on the route A having the highest probability of passing, but also traffic on the route B and route C. Fault occurrence information is also notified. Therefore, even when the vehicle deviates from the route A and travels the route C as shown in FIG. 6, the user is notified in advance of the occurrence of traffic trouble on the road L [3]. You can avoid encountering traffic obstacles.
- the display method may be arbitrary. For example, there are a method of displaying information with a darker color (conspicuous color) as information on the occurrence of a traffic fault with a higher probability of passing, or a method of displaying larger information with information on the occurrence of a traffic fault with a higher probability of passing.
- the means for notifying the traffic trouble is not limited to the display unit 16, and the voice output unit 17 may be used.
- the voice output unit 17 may be used instead of the display of FIG. 5, “Congestion points are road L [13], road L [12], road L [3]”, etc. Can be considered.
- the frequency of voice traffic notification may be changed according to the passing probability, and for example, the higher the passing probability, the higher the frequency of voice notification.
- the notification by the display unit 16 and the notification by the audio output unit 17 can be used together.
- the traffic information notification device is configured to select and notify a predetermined number (three) of high traffic probability among all traffic obstacles. In this case, for example, when there are few traffic obstacles, even a very low probability of passing is selected, and there is a possibility that information with low usefulness is notified to the user.
- This problem can be solved by providing a threshold for notification to the traffic obstacle passage probability. For example, it is preferable that notification is not performed for a traffic fault having a passage probability of less than 5% (or less than 10%).
- the traffic information notification device selects a traffic fault to be notified, it does not select a high-pass probability from all the traffic faults, but instead selects a path with a high-pass probability.
- the system is configured so as to select one having a high passing probability after being limited to the traffic obstacles occurring.
- the traffic information notification device of the second embodiment first selects a predetermined number of routes having a high passing probability from the travel history data (FIG. 4).
- the routes A, B, and F including the road L [1] and having a large number of travels are selected.
- the traffic information notifying device selects a traffic fault occurring on the routes included in the routes A, B, and F having a high passage probability, that is, the traffic jam on the road L [13] and the traffic jam on the road L [12]. These are displayed side by side in descending order of the probability of passing. That is, in the second embodiment, when the vehicle travels on the road L [1], unlike the first embodiment, the traffic information on the road L [3] is not displayed, and the road L [13] is displayed as shown in FIG. , Only the traffic information of L [12] is displayed.
- the problem of Form 1 can be solved without setting a threshold value for the probability of passing traffic obstacles.
- the means for notifying the traffic trouble is not limited to the display unit 16, and the voice output unit 17 may be used, or the notification by the display unit 16 and the notification by the voice output unit 17 are used in combination. Also good.
- a method of notifying the occurrence of a traffic fault by text or voice is used.
- the occurrence position or occurrence section of the traffic fault is represented on the map displayed on the display unit 16. By displaying a symbol or the like, the user is notified of the occurrence of a traffic fault.
- the method of selecting the traffic obstacle to be notified may be either of the methods of the first and second embodiments, the following description will be made assuming that the method of the first embodiment is taken.
- the vehicle leaves the home and starts to travel north on the road L [1].
- three traffic obstacles having a high passage probability among all traffic obstacles that is, traffic jams on the roads L [13], L [12], and L [3] are selected as notification targets.
- the line representing the selected road L [13], L [12], L [3] where the traffic obstacle has occurred can be distinguished from other roads. (Color, thickness, change pattern (dynamic display pattern such as blinking)), etc. are displayed on the map.
- the same effect as in the first embodiment can be obtained.
- the occurrence information of traffic obstacles having a high passage probability is notified to the user, and the notification of occurrence information of traffic obstacles having a low passage probability is omitted, so that appropriate information can be provided to the user.
- the notification mode of the occurrence information of each traffic obstacle changes according to the passage probability (only the road where the traffic obstacle with a high passage probability has occurred is displayed in a mode different from other roads), the user Can intuitively recognize the high passing probability of each traffic obstacle from the notification mode.
- the effect of easily recognizing the location where the traffic obstacle occurs from the map image can be obtained.
- lines representing roads with high probability of passing are displayed on the map in a manner that can be distinguished from other roads.
- FIG. May be displayed on a map with a predetermined symbol (here, “x” mark).
- FIG. 10 both a line (FIG. 8) representing a road where a traffic obstacle having a high probability of passage has occurred and a symbol (FIG. 9) representing the position of the traffic obstacle are displayed on the map. May be.
- the scale of the map it is possible to recognize whether or not the own vehicle has a high probability of encountering a traffic obstacle even when the location of the traffic obstacle is not visible from the screen of the display unit 16. .
- ⁇ Embodiment 4> In the third embodiment, only two kinds of display modes are used as the display mode of the information on the occurrence of traffic obstacles according to the passing probability.
- the above display modes (color, thickness, change pattern, etc.) are used.
- the vehicle leaves the home and starts to travel north on the road L [1].
- three traffic obstacles having a high passage probability among all traffic obstacles that is, traffic jams on the roads L [13], L [12], and L [3] are selected as notification targets.
- the line representing the road L [13], L [12], L [3] where the selected traffic obstacle has occurred can be distinguished from other roads. Furthermore, it displays on a map in the aspect which can recognize the level of each passing probability.
- the road L [13] where the traffic jam with the highest passing probability occurs is indicated by a thick solid line
- the road L [12] where the traffic jam with the second highest passing probability occurs is indicated by a thick broken line
- the road L [3] on which traffic congestion with the third highest probability of passage occurs is indicated by a thin broken line.
- the same effects as in the third embodiment can be obtained, and not only the position of occurrence of a traffic fault but also the probability of passing it (probability of encountering a traffic fault) is intuitively recognized from the map image. The effect that it can be obtained.
- lines representing roads with high probability of passage are displayed on the map in a manner that can be distinguished from other roads.
- the position may be displayed on the map with a predetermined symbol ("x" mark). In that case, those symbols are displayed on the map in such a manner that the passing probability can be recognized.
- a traffic jam with a high passing probability is displayed with a large symbol so that it is conspicuous.
- the pattern (color) of each symbol is also more conspicuous as the passing probability is higher.
- both a line (FIG. 12) representing a road where a traffic obstacle having a high probability of passage has occurred and a symbol (FIG. 13) indicating the location of the traffic obstacle are displayed on the map. May be.
- the route from the vehicle position to the road where the traffic obstacle has occurred may be displayed in such a manner that the passing probability of the traffic obstacle can be recognized. For example, as a result of enlarging the scale of the map, even when the position where the traffic obstacle occurs is not visible from the screen of the display unit 16, the effect that the probability that the vehicle encounters the traffic obstacle can be recognized can be obtained.
- the traffic information notifying apparatus of the fifth embodiment first selects a predetermined number of routes having a high passing probability from the travel history data (FIG. 4), as in the second embodiment. For example, when three routes are selected, routes A, B, and F with a large number of travels are selected from routes including the road L [1]. If a traffic fault occurs in any of these routes A, B, and F, the operation of the third or fourth embodiment is performed.
- the traffic information notification device makes the routes A, B, and F different from other roads so that it can be understood that no traffic trouble has occurred in the routes A, B, and F. Is displayed.
- the routes A, B, and F are displayed by a one-dot chain line to indicate that no traffic trouble has occurred in the route.
- the display unit 16 and the voice output unit 17 may be used to provide a text display or a voice output notification such as “There is no traffic obstacle on a route with a high passage probability”.
- the character display and voice output may be performed together with the display of FIG.
- 11 traffic information reception unit 12 travel history data storage unit, 13 map data storage unit, 14 current position detection unit, 15 passage probability calculation unit, 16 display unit, 17 voice output unit, 18 controller.
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Abstract
Description
図1は、本発明に係る交通情報通知装置の構成を示す図である。この交通情報通知装置は、例えばカーナビゲーション装置に搭載される車載用の交通情報通知装置である。
実施の形態2では、交通情報通知装置が、通知の対象とする交通障害を選択する際に、全ての交通障害のうちから通過確率の高いものを選択するのではなく、通過確率の高い経路に発生している交通障害に限定した上で、そのうちから通過確率の高いものを選択するように構成する。
実施の形態1では、文字または音声によって交通障害の発生を通知する方法をとったが、実施の形態3では、表示部16に表示される地図上に、交通障害の発生位置あるいは発生区間の表すシンボル等を表示させることにより、ユーザに交通障害の発生情報を通知する。なお、通知の対象とする交通障害の選択方法は、実施の形態1,2のどちらの方法でもよいが、以下では実施の形態1の方法をとるものとして説明する。
実施の形態3では、通過確率に応じた交通障害の発生情報の表示態様として、他の道路と区別できるように表示するか否かの2通りしか用いなかったが、実施の形態4では、3通り以上の表示態様(色、太さ、変化パターンなど)を用いる。
例えば、実施の形態3または4において、通知の対象とする交通障害を選択する方法として、実施の形態2の方法をとった場合、通過確率の高い経路のいずれにも交通障害が発生していないことがしばしば生じると考えられる。実施の形態5では、そのような場合に、通過確率の高い経路を、他の道路とは異なる表示態様で表示させる。
Claims (14)
- 自車の現在位置を検出する現在位置検出部と、
前記自車の走行履歴データを記憶する走行履歴データ記憶部と、
交通障害の発生位置を含む交通情報を取得する交通情報受信部と、
前記自車の現在位置および走行履歴データから、各交通障害の発生位置を前記自車が通る確率である通過確率を算出する通過確率計算部と、
交通障害の発生情報を、当該交通障害の通過確率に応じた態様でユーザに通知する交通障害通知部と、
を備える車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生位置が複数ある場合、交通障害の発生情報を、通過確率の高い順に通知する
請求項1記載の車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生情報を、通過確率の高い順に並べて表示する表示部を含む
請求項2記載の車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生情報を、通過確率の高い順に音声出力する音声出力部を含む
請求項2記載の車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生情報を、当該交通障害の通過確率に応じて異なる表示態様で表示する表示部を含む
請求項1記載の車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生情報を、当該交通障害の通過確率に応じて異なる頻度で音声出力する音声出力部を含む
請求項1記載の車載用交通情報通知装置。 - 前記交通障害通知部は、交通障害の発生位置を、当該交通障害の通過確率に応じて異なる表示態様で地図上に表示する地図情報表示部を含む
請求項1記載の車載用交通情報通知装置。 - 前記地図情報表示部は、交通障害の発生位置を表すシンボルを、当該交通障害の通過確率に応じて異なる色、大きさ又は変化パターンで表示する
請求項7記載の車載用交通情報通知装置。 - 前記地図情報表示部は、交通障害の発生位置が属する道路を、当該交通障害の通過確率に応じて異なる色、太さ又は変化パターンで表示する
請求項8記載の車載用交通情報通知装置。 - 前記地図情報表示部は、前記自車の現在位置から交通障害の発生位置までの経路を、当該交通障害の通過確率に応じて異なる表示態様で表示する
請求項7記載の車載用交通情報通知装置。 - 前記地図情報表示部は、前記自車の現在位置から交通障害の発生位置までの経路を、当該交通障害の通過確率に応じて異なる色、太さ又は変化パターンで表示する
請求項10記載の車載用交通情報通知装置。 - 前記自車の現在位置および走行履歴データから、前記自車が通る確率の高い所定数の経路を特定し、
前記地図情報表示部は、特定された前記所定数の経路に交通障害が発生していない場合、当該所定数の経路を、他の道路とは異なる表示態様で表示する
請求項7記載の車載用交通情報通知装置。 - 前記自車の現在位置および走行履歴データから、前記自車が通る確率の高い所定数の経路を特定し、
前記交通障害通知部は、特定された前記所定数の経路に交通障害が発生していない場合、交通障害が発生していない旨をユーザに通知する
請求項1記載の車載用交通情報通知装置。 - 前記通過確率計算部は、前記自車が交差点を通過するごとに前記通過確率を算出する
請求項1記載の車載用交通情報通知装置。
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DE201211006711 DE112012006711T5 (de) | 2012-07-17 | 2012-07-17 | Im Fahrzeug-Verkehrsinformation-Benachrichtigungsvorrichtung |
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