JP2009121926A - Navigation device and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To perform proper guidance for each individual user about the timing to move to a lane which leads to a destination branch. <P>SOLUTION: The navigation device performing the guidance about a travel route includes a current position detection means 2 for detecting the current position of own vehicle; a travel lane detection means 1' for detecting a travel lane of the own vehicle; a learning means 4a for learning the moving timing to the lane leading to the branch destination on the route; a lane-moving section setting means 4b for setting a moving section to the lane leading to the branch destination, when the learning is advanced; and a control means 4c for performing guidance, when the lane movement is not performed, even if it passes through the set lane moving section during the traveling of own vehicle on the route. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a navigation apparatus and a program for guiding movement to a lane connected to a branch destination.

Conventionally, by detecting the number of running lanes and guiding the route change at a point in front as the number of detected lanes increases, it will take time to change the lane due to the number of lanes. In consideration of this, there has been proposed a system in which guidance is given early (Patent Document 1).
JP-A-6-295399

  In Patent Document 1, the guide points for route change are changed uniformly according to the number of lanes, but for each user, the user feels that the guidance is excessive or that the guidance is not provided at the necessary timing. There are many cases.

An object of the present invention is to solve the above-described problem and to appropriately guide the timing for moving to a lane connected to a branch destination for each user.
The present invention provides a navigation device for guiding a traveling route, a current position detecting unit for detecting a current position of the host vehicle, a traveling lane detecting unit for detecting a traveling lane of the host vehicle, and a lane connected to a branch destination on the route. Learning means for learning the movement timing to the lane, lane movement section setting means for setting a movement section to the lane that leads to the branch destination when learning progresses, and lane movement set while the vehicle is traveling on the route And a control means for providing guidance when the lane does not move even after passing the section.
Further, the present invention provides a program for controlling a navigation device that guides a traveling route, a step of detecting a current position of the own vehicle, a step of detecting a traveling lane of the own vehicle, and a lane connected to a branch destination on the route. The step of learning the movement timing, the step of setting the moving section to the lane that leads to the branch destination when learning progresses, and when the vehicle is traveling on the route and the lane does not move even after the set lane moving section The step of performing guidance is executed by a computer.

  The present invention can guide the lane movement at an appropriate timing for each individual user by learning the timing of moving to the lane connected to the branch destination.

Embodiments of the present invention will be described below.
FIG. 1 is a block diagram showing an example of a navigation apparatus according to this embodiment. Input device 1 consisting of a keyboard, mouse, touch panel, operation keys, etc. for inputting information of departure and destination, a camera 1 'for detecting road lanes by photographing road surface paint, etc., detecting the vehicle traveling speed Speed detection means 1 ″, a current position detection device 2 for detecting information on the current position of the vehicle, map data, road data, intersection data, navigation data necessary for route search, and display / audio necessary for route guidance. Information storage device 3 that stores guidance data, and programs (applications and / or OSs) for guidance such as map display, route search, voice guidance, etc., recording and learning the timing of entering the lane connected to the branch destination Learning means 4a for performing the lane movement section setting means 4b for setting the movement section to the lane connected to the branch destination when learning progresses, Control means 4c for performing guidance when the lane does not move even after the moving section to the selected lane, and as a navigator processing means, map display processing, route search processing, display / voice guidance processing necessary for route guidance, and the entire system The central processing unit 4 that performs control of the vehicle, information transmission / reception that is information relating to vehicle travel, such as road information and traffic information, detection of information related to the current position of the vehicle, and transmission / reception of information related to the current position The apparatus 5 includes a display, a speaker, and other output devices 6 that output information on route guidance.

FIG. 2 is a diagram for explaining lane movement learning and lane movement guidance based on the learning result.
Here, an example of learning the timing of entering a lane connected to an exit when traveling on a highway on the route, and performing guidance when traveling on another lane clearly closer to the exit than the learned lane movement section will be described. .
In FIG. 2A, if the vehicle 10 is traveling on a route from the highway 20 at the exit 30 and moves from the passing lane 21 to the traveling lane 22 connected to the exit before a predetermined distance from the exit 30, the lane movement Learning is performed by recording and storing the recorded positions. That is, the camera 1 'detects the lane movement by photographing the paint on the road surface, and the distance from the current position detected by the current position detection device 2 and the road data to the exit 30 is determined as the lane movement position. The position is sequentially recorded and learned. When the learned position exists within the predetermined range within a predetermined range from the exit at the same position or within a certain distance before and after, the position is stored as a lane movement timing as a learning result. Such learning is performed, for example, on the branch of the road pattern of the same shape (for example, an exit from the expressway, an interchange, an intersection, etc.) regardless of whether it is an expressway or a general road. It may be managed separately for each expressway and general road. In addition, learning of the timing to enter the lane is preferably performed when the vehicle travels at a normal speed, and is excluded when the vehicle travels at a very low speed due to traffic congestion.

  FIG. 2 (b) shows that the records in the road pattern shown in FIG. 2 (a) are accumulated. For example, when the number of times reaches 5 or more, a certain user is 90% or more, and 600m before the exit when getting off the highway. This shows that the lane movement has been completed. When such a learning result is obtained, the lane movement section setting unit 4b of the control device 4 sets 600 m before the exit 30 as the final position of the lane movement section. In the case where the lane movement section is set in this way and the route travels from the highway 20 through the exit 30, as shown in FIG. 2C, for example, if the vehicle travels in the overtaking lane up to 300m before, the control device The control means 4c of No. 4 provides guidance such as “It is the left lane” to prompt the user to move the lane, or there is a possibility that the route will not follow the route, so “Do you want to guide another route?” I will do the guidance.

  In addition, guidance on the expressway is usually performed at 2 km, 1 km, and 500 m, but guidance for prompting the lane movement may be performed at the same time as the normal guidance or at another timing. This is also true for ordinary roads.

It is a block diagram which shows the example of the navigation apparatus which concerns on this embodiment. It is a figure explaining guidance of lane movement by learning of lane movement and a learning result.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Input device, 1 '... Camera, 1 "... Speed detection means, 2 ... Current position detection device, 3 ... Information storage device, 4 ... Central processing unit, 4a ... Learning means, 4b ... Lane movement area setting means, 4c ... control means, 5 ... information transmitting / receiving device, 6 ... output device.

Claims (5)

In a navigation device that guides a route to travel,
Current position detecting means for detecting the current position of the vehicle;
Traveling lane detection means for detecting the traveling lane of the vehicle;
Learning means for learning the movement timing to the lane connected to the branch destination on the route;
Lane movement section setting means for setting a movement section to a lane connected to a branch destination when learning progresses;
Control means for performing guidance when the vehicle does not move even after passing the set lane movement section while traveling on the route;
A navigation device characterized by comprising: The navigation device according to claim 1, wherein the control unit performs guidance for lane movement or another route. 2. The vehicle navigation apparatus according to claim 1, wherein the learning unit learns the movement timing to the lane connected to the branch destination for each road pattern. Provided with a speed detecting means for detecting the traveling speed of the own vehicle;
The navigation device according to claim 1, wherein the learning unit excludes learning of the timing of moving to the lane when the traveling speed of the vehicle is equal to or less than a predetermined value. In a program for controlling a navigation device that guides a traveling route,
Detecting the current position of the vehicle;
Detecting the driving lane of the vehicle,
Learning the movement timing to the lane connected to the branch destination on the route;
A step of setting a movement section to a lane connected to a branch destination when learning progresses;
A step of providing guidance when the vehicle does not move even after passing the set lane movement section while traveling on the route;
A program that causes a computer to execute.

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