JP2010181160A - Navigation device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation device showing a traffic event so that the relation to the route under guidance can be easily grasped. <P>SOLUTION: In a situation where a recommended route is set as in 500, a road work is performed at a position 501 and a traffic congestion occurs in a zone 502 due to the influence of the road work (a), and when the traffic information notifying the road work as a traffic event is selected by a user as a selective traffic information, an icon 511 representing the road work is displayed by blinking at the position on a map image 301 corresponding to the position 501 where the road work is performed, and a zone display figure 512 representing the zone on the recommended route 500 among the zone 502 being influenced by the road work on the map image 301, is displayed by blinking (c). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a technology for presenting traffic information to a user in a navigation device mounted on an automobile.

  As a technology for presenting traffic information to the user in a navigation device mounted on a car, traffic information indicating the location of the occurrence of a traffic event such as a traffic accident is received, the road section affected by the traffic event is calculated, and the traffic event A technique for presenting a road section calculated together with this is known (for example, Patent Document 1).

Special Table 2002-507808

Now, in the navigation device, when guiding the route set up to the destination, it is estimated that the traffic event in which the user is interested is only the traffic event that affects the route.
Therefore, in such a case, if the technology of Patent Document 1 is applied and traffic events affecting the route and road segments affected by the traffic event are presented on the map, road segments outside the route When many presentations are included, the display becomes complicated, and it becomes difficult to intuitively understand the relationship between the route and the traffic event. On the other hand, if only the location of the traffic event that affects the route is to be presented on the map, the user will know the relationship between the traffic event and the route when the location of the traffic event is outside the route. You will be confused without being able to.

  Therefore, an object of the present invention is to present a traffic event that affects a route to a user so that the navigation device can more easily grasp the relationship with the route being guided.

  In order to achieve the above object, the present invention provides a navigation device mounted on a vehicle that calculates a current position and guides a recommended route that is a route to a set destination. A traffic information receiving means for receiving traffic information representing at least the type of the event and the location where the traffic event occurred, and a section on the recommended route among the road sections affected by the traffic event representing the occurrence of the traffic information Related recommended route section calculating means for calculating as a related recommended route section, a map, an occurrence position of the traffic event represented by the traffic information on the map, an icon representing the type of traffic event represented by the traffic information, Route-related traffic information display means for displaying a section graphic representing the relevant recommended route section on the map.

  Here, in such a navigation device, the traffic information representing the occurrence of a traffic event that affects the section on the recommended route is further extracted from the traffic information received by the traffic information receiving means. A list display means for displaying a list of traffic information; and a traffic information selection acceptance means for accepting a user's selection of traffic information from the list displayed by the list display means. In the route related traffic information display means, In the route-related traffic information display means, a section on the recommended route is calculated as a related recommended route section among the road sections in which the traffic event indicating the occurrence of the traffic information whose selection is accepted by the traffic information selection means is affected. The traffic and the location of the traffic event represented by the traffic information selected by the traffic information selection receiving means on the map. An icon representing the type of traffic event represented by broadcast, the associated recommended route segment may be displayed and section figure representing on the map.

  According to such navigation devices, the route-related traffic information display means performs a map, and represents the location of the traffic event represented by the traffic information on the map, and represents the type of traffic event represented by the traffic information. From the display of the icon and the section graphic representing the relevant recommended route section on the map, the type and position of the traffic event that occurred and how the recommended route is affected by the traffic event intuitively It becomes possible to grasp. Further, since only the portion on the recommended route that is estimated to be significant for the user among the road sections affected by the traffic event is presented, it is possible to prevent the display from becoming more complicated than necessary.

  In order to achieve the above object, the present invention is equipped with a navigation device that is mounted on a vehicle and calculates a current position and guides a recommended route to a set destination. A traffic information receiving means for receiving traffic information representing at least the type of the traffic event and the location where the traffic event occurred, and a section on the recommended route among road sections affected by the traffic event representing the occurrence of the traffic information. Related recommended route section calculating means for calculating as a related recommended route section, a map, an icon representing the type of traffic event represented by the traffic information arranged at a position corresponding to the related recommended route section on the map, and the related Route related traffic information display means for displaying a section graphic representing a recommended route section on the map is provided.

  Even in this case, it is possible to intuitively immediately understand the type of the traffic event that has occurred and how the recommended route is affected by the traffic event, from the display performed by the route-related traffic information display means. It becomes like this. Further, since only the portion on the recommended route that is estimated to be significant for the user among the road sections affected by the traffic event is presented, it is possible to prevent the display from becoming more complicated than necessary.

  As described above, according to the present invention, in the navigation device, traffic events that affect the route can be presented to the user so that the relationship with the route being guided can be more easily grasped.

It is a block diagram which shows the structure of the vehicle-mounted system which concerns on embodiment of this invention. It is a figure which shows the structure of the traffic information which concerns on embodiment of this invention. It is a figure which shows the example of a display of the vehicle-mounted system which concerns on embodiment of this invention. It is a flowchart which shows the route related traffic event display process which concerns on embodiment of this invention. It is a figure which shows the example of a display of the route relevant traffic event display process which concerns on embodiment of this invention.

Hereinafter, embodiments of the present invention will be described.
FIG. 1 shows a configuration of an in-vehicle system according to the present embodiment.
The in-vehicle system 100 is a system mounted on a vehicle such as an automobile, and as shown in the figure, a navigation device 1, an operation unit 2, a display device 3, a vehicle state sensor 4, a GPS receiver 5, and an external device. And a traffic information receiver 6 that receives traffic information from the traffic information providing server 200. Here, the vehicle state sensor 4 is a sensor group that detects various vehicle states, such as an azimuth sensor such as an angular acceleration sensor or a geomagnetic sensor, or a vehicle speed sensor such as a vehicle speed pulse sensor.

  The navigation device 1 communicates with the user via the map data storage unit 11, which is a storage device such as a DVD drive or HDD that stores map data representing a map, the current state calculation unit 12, the display device 3, or the operation unit 2. A GUI control unit 13, a route search unit 14, a memory 15, a control unit 16, and a guide image generation unit 17 that control the input / output interface between the two.

  However, the above navigation apparatus 1 may be a CPU circuit having a general configuration including peripheral devices such as a microprocessor, a memory, and other graphic processors and geometric processors in terms of hardware. In this case, each unit of the navigation device 1 described above may be realized as a process embodied by a microprocessor executing a program prepared in advance. In this case, such a program may be provided to the navigation apparatus 1 via a recording medium or an appropriate communication path.

Here, FIG. 2 shows a configuration of traffic information that the traffic information receiver 6 receives from the traffic information providing server 200.
As shown in the figure, the traffic information includes a traffic information number that is an identifier of the traffic information, an effective period that indicates the period in which the traffic information is valid, an event type that indicates the type of traffic event such as construction / traffic accident / closed traffic / congestion, and traffic event Event content representing the content of the event.
The event content includes location information indicating the location of the occurrence of the traffic event, affected road segments representing the road segment affected by the traffic event, explanatory information that is various explanations about the traffic event such as the occurrence period and reason for the occurrence of the traffic event, etc. Is stored.
Then, the control unit 16 performs a process in which the traffic information receiver 6 stores the traffic information received from the external traffic information providing server 200 in the memory 15 and deletes the traffic information whose valid period has passed from the memory 15. .
Next, the current state calculation unit 12 of the navigation device 1 repeats the following processing.
In other words, the current state calculation unit 12 has a current position estimated from the output of the vehicle state sensor 4 or the GPS receiver 5 and the current position around the current position determined last time indicated by the map data read from the map data storage unit 11. By performing a map matching process with the map, etc., the most probable coordinate is obtained as the current position, determined as the current position, and set in the memory 15.

  In addition, the control unit 16 receives a destination setting from the user via the operation unit 2 and the GUI control unit 13 and sets the destination setting in the memory 15. Then, the route search unit 14 is made to search for a recommended route to the destination. The route search unit 14 reads out map data of a necessary geographical range from the map data storage unit 11, and calculates a route from the current position set in the memory 15 to the destination by one or more such as required travel time and distance. Based on a predetermined cost model with the item as a cost, the cost is calculated so as to be minimized, set as a recommended route, and set in the memory 15. Here, the route search unit 14 takes into account the state of various traffic conditions such as the degree of traffic congestion and the presence / absence of traffic restrictions in each road section represented by the traffic information stored in the memory 15 by the traffic information processing unit, and The required travel time until is calculated.

In addition, when the current position set in the memory 15 becomes near the destination, the control unit 16 determines that the destination has arrived, and also performs processing for clearing the destination and the recommended route set in the memory 15. .
Then, the guide image generation unit 17 displays the map image of the map display range calculated by the control unit 16 according to the current position set in the memory 15 and the map display scale set at that time, as the map data storage unit 11. Draw based on the map data stored in Further, a guide image in which the current position, recommended route, and destination set in the memory 15 are drawn on the drawn map image is generated and displayed on the display device 3.

FIG. 3 a shows an example of a guide image displayed in the current position reference display mode in this way. As shown in the figure, the guide image has a current position mark 302 on the map image 301. It will be represented.
If the recommended route is set, the guidance image is a recommended route graphic 303 displayed on the map image 301, and the recommended route is guided by the current position mark 302 and the recommended route graphic 303. Will be done. In addition, when the destination is included in the map display range, the destination image is further displayed on the map image 301 with the destination mark.

  Moreover, the control part 16 displays the button which receives a user's various instruction | indication via the GUI control part 13 on such a guidance image, and performs the process according to operation of a user's button. For example, in FIG. 3a, as this button, the detailed button and the wide area button 304 associated with the scale changing process for changing the map scale described above, and the menu button 305 associated with the menu display process for displaying the menu screen of various menus. And a traffic information button 306 associated with a traffic information display process for displaying traffic information.

Hereinafter, the traffic information display process performed by the control unit 16 in response to the operation of the traffic information button 306 will be described.
In this traffic information display process, the control unit 16 first displays a traffic information list screen as shown in FIG. 3B on the display device 3 via the GUI control unit 13.
As shown in the figure, this traffic information list screen has two windows, an “all” window 351 and an “on route” window 352. It can be switched by selecting the provided tab.
The control unit 16 displays a list of traffic event information represented by the traffic information stored in the memory 15 in the “all” window 351, and is stored in the memory 15 in the “on route” window 352. A list of traffic event information represented by the traffic information is displayed only for the traffic information that affects the road section on the recommended route among the traffic information that is present.

  Here, the traffic event information included in the list of these windows includes an icon 361 indicating the event type of the traffic information, a text 362 indicating the event type of the traffic information, description information 363 of the traffic information, and position information of the traffic information. The distance 364 from the current position to the occurrence position of the traffic event to be represented is used.

  Further, the traffic information that affects the road section on the recommended route can be obtained as traffic information that includes at least a section on the recommended route in the road section affected by the traffic information. However, traffic information that affects road sections on the recommended route should be obtained as traffic information that includes even a section on the recommended route within a predetermined distance from the location of the traffic event represented by the position information of the traffic information. It may be.

  Now, the control unit 16 selects any traffic event information on the list of traffic event information displayed in the “on route” window 352 of the traffic information list screen. The traffic information representing the traffic event is set as the selected traffic information, the traffic information list screen is deleted, and the route related traffic event display process shown in FIG. 4 is executed.

  As shown in the figure, in this route-related traffic event display process, first, a section on a recommended route affected by the traffic event represented by the selected traffic information is calculated as a related recommended route section (step 402). The related recommended route section can be obtained as a portion on the recommended route among the affected road sections of the selected traffic information. However, you may make it obtain | require as a section on the recommended route located within the predetermined distance from the generation | occurrence | production position of the traffic event which the related recommended route section and the position information of selected traffic information represent.

  Then, the map display range that defines the range of the map image 301 to be included in the guide image is changed so that the occurrence position of the traffic event represented by the position information of the selected traffic information and the calculated related recommended route section are included. (Step 404). Here, the map display range may be changed so that the occurrence position of the traffic event represented by the position information of the selected traffic information, the calculated related recommended route section, and the current position are included.

  Then, an icon representing the event type of the selected traffic information is arranged on the map image 301 of the guide image at a position corresponding to the traffic event occurrence position represented by the position information of the selected traffic information (step 406). In addition, on the map image 301 of the guide image, an interval marking graphic representing the related recommended route interval on the map image 301 is arranged (step 408).

Then, until the user's instruction to end the traffic information display process is generated (step 412), the placed icon and the section marking figure are displayed in a blinking manner (step 410).
If the user's instruction to end the traffic information display process is generated (step 412), the display of the guide image is returned to the display of the guide image before the start of the route-related traffic event display process, and the process ends.
The route related traffic event display process has been described above.
Hereinafter, display examples by such route-related traffic event display processing will be shown.
Now, as shown in FIG. 5a, in the state where the recommended route is set as 500, construction is being performed at the position 501, and traffic jam has occurred in the section 502 due to the construction, and this construction Is selected as the selected traffic information.

  In such a case, as shown in FIG. 5b, only the icon 511 representing the construction is displayed at the position on the map image 301 corresponding to the position 501 in FIG. 5a where the construction represented by the position information of the selected traffic information is performed. When displayed, the work represented by this icon 511 is grasped by the user as if it is not related to the recommended route represented by the recommended route graphic 303, and as a result, the user may be confused. .

  On the other hand, according to the route-related traffic event display process of the present embodiment, in this case, the map is displayed at the position on the map image 301 corresponding to the position 501 in FIG. 5a where the construction represented by the position information of the selected traffic information is performed. As shown in 5c, an icon 511 indicating construction is blinkingly displayed. In addition to this, as shown in FIG. 5c, a section marking figure 512 representing a section on the recommended route 500 in the section 502 of FIG. 5a affected by the construction is displayed on the map image 301. The displayed recommended route graphic 303 blinks.

  Therefore, the user can intuitively grasp the position where the selected traffic event has occurred and how the recommended route is affected by the traffic event from such a display. In addition, according to such route-related traffic event display processing, the road section affected by the construction event is only presented on the recommended route, which is estimated to be significant for the user. Can be prevented from becoming more complicated than necessary.

The embodiment of the present invention has been described above.
By the way, the route-related traffic event display processing according to the present embodiment, as shown in FIG. 5C, the event of the selected traffic information at the position on the map image 301 corresponding to the traffic event occurrence position represented by the position information of the selected traffic information. Instead of arranging the icon 511 representing the type, as shown in FIG. 5d, the event type of the selected traffic information is represented at a position on the map image 301 corresponding to the end point of the related recommended route section or the related recommended route section. An icon 511 may be arranged.

  DESCRIPTION OF SYMBOLS 1 ... Navigation apparatus, 2 ... Operation part, 3 ... Display apparatus, 4 ... Vehicle state sensor, 5 ... GPS receiver, 6 ... Traffic information receiver, 11 ... Map data storage part, 12 ... Current state calculation part, 13 ... GUI control unit, 14 ... route search unit, 15 ... memory, 16 ... control unit, 17 ... guide image generation unit, 100 ... in-vehicle system, 200 ... traffic information providing server, 301 ... map image, 302 ... current position mark, 303 ... recommended route shape.

Claims (4)

A navigation device mounted on a vehicle for calculating a current position and guiding a recommended route that is a route to a set destination,
A traffic information receiving means for receiving traffic information that represents at least the occurrence of the traffic event, the type of the traffic event, and the location of the traffic event;
A related recommended route section calculating means for calculating a section on the recommended route among road sections affected by a traffic event representing occurrence of the traffic information as a related recommended route section;
A map, an icon indicating the type of the traffic event represented by the traffic information, and a section graphic representing the related recommended route section on the map are displayed. And a route related traffic information display means. The navigation device according to claim 1,
From the traffic information received by the traffic information receiving means, to extract traffic information representing the occurrence of traffic events that affect the section on the recommended route, list display means for displaying a list of extracted traffic information,
Traffic information selection accepting means for accepting a user's selection of traffic information from the list displayed by the list display means,
The route related traffic information display means calculates, as a related recommended route section, a section on the recommended route among road sections affected by a traffic event indicating the occurrence of the traffic information selected by the traffic information selection receiving means. And
The route-related traffic information display means represents the type of the traffic event represented by the traffic information, which represents on the map the occurrence position of the traffic event represented by the map and the traffic information accepted by the traffic information selection accepting means. A navigation device that displays an icon and a section graphic representing the related recommended route section on the map. A navigation device mounted on a vehicle for calculating a current position and guiding a recommended route to a set destination,
A traffic information receiving means for receiving traffic information that represents at least the occurrence of the traffic event, the type of the traffic event, and the location of the traffic event;
A related recommended route section calculating means for calculating a section on the recommended route among road sections affected by a traffic event representing occurrence of the traffic information as a related recommended route section;
A map, an icon representing the type of traffic event represented by the traffic information arranged at a position corresponding to the relevant recommended route section on the map, and a section graphic representing the relevant recommended route section on the map are displayed. A navigation device comprising route-related traffic information display means. A computer program that is read and executed by a computer mounted on a vehicle,
The computer program causes the computer to function as a navigation device that is mounted on a vehicle and calculates a current position and guides a recommended route to a set destination,
The navigation device
A traffic information receiving means for receiving traffic information that represents at least the occurrence of the traffic event, the type of the traffic event, and the location of the traffic event;
A related recommended route section calculating means for calculating a section on the recommended route among road sections affected by a traffic event representing occurrence of the traffic information as a related recommended route section;
A map, an icon indicating the type of the traffic event represented by the traffic information, and a section graphic representing the related recommended route section on the map are displayed. And a route related traffic information display means.