JP7077068B2 - Guidance system and guidance program - Google Patents

Description

The present invention relates to a guidance system and a guidance program.

Conventionally, a technique for guiding weather information to a vehicle user has been known. For example, Patent Document 1 discloses a technique for guiding weather information when a ride on a vehicle is detected. Further, Patent Document 1 discloses a technique for determining whether or not to perform guidance based on the temperature difference between the temperature at the estimated time of arrival at the destination and the current temperature at the current location.

Japanese Unexamined Patent Publication No. 2016-48193

In the above-mentioned conventional technique, guidance may not be performed at an appropriate timing. That is, in the navigation system, a plurality of destinations may be input or may be modified after being input. In the configuration in which the guidance is performed at the timing when the boarding is detected as in the above-mentioned conventional technique, the guidance is not performed or the guidance is performed again when the destination is corrected. If it is the former, appropriate information will not be provided, and if it is the latter, it will be troublesome.
The present invention has been made in view of the above problems, and an object of the present invention is to provide a technique capable of providing guidance regarding a destination in a state where there is a high possibility that the destination has been determined.

In order to achieve the above-mentioned objectives, the guidance system has a destination acquisition unit for acquiring a destination, a route acquisition unit for acquiring a route from a departure point to a destination, and a route acquisition unit for acquiring a route. It is equipped with a guide section that guides related information related to the ground.

In addition, in order to achieve the above-mentioned purpose, the guidance program uses a computer as a destination acquisition unit for acquiring a destination, a route acquisition unit for acquiring a route from a departure point to a destination, and when route guidance is started. To function as a guide unit that guides related information related to the destination.

As described above, in the guidance system and the guidance program, when the guidance of the route is started, the related information related to the destination is guided. That is, when the route guidance is started, it is highly likely that the user intentionally started heading for the destination of the route, and it is highly likely that the destination of the route has been determined. Can be done. Therefore, according to the guidance system and the guidance program, it is possible to provide guidance regarding the destination in a state where there is a high possibility that the destination has been determined.

It is a block diagram which shows the structure of a guidance system. It is a flowchart which shows the guidance process.

Here, embodiments of the present invention will be described in the following order.
(1) Guidance system configuration:
(2) Guidance processing:
(3) Other embodiments:

(1) Guidance system configuration:
FIG. 1 is a block diagram showing a configuration of a navigation system 10 that functions as a guidance system according to an embodiment of the present invention. The navigation system 10 includes a control unit 20 including a CPU, RAM, ROM, and the like, and the control unit 20 can execute various programs recorded in the ROM and the recording medium 30. In this embodiment, the guidance program 21 can be executed as one of the programs.

The control unit 20 can search for a route for departing from the current location and reaching the destination by the processing of the guidance program 21. Further, the control unit 20 can execute guidance for guiding the vehicle equipped with the navigation system 10 along the route by the processing of the guidance program 21.

Map information 30a is recorded in advance on the recording medium 30. The map information 30a includes the position of the node corresponding to the end point of the road section, the shape interpolation point data indicating the position of the shape interpolation point for specifying the shape of the road between the nodes, the link data indicating the connection between the nodes, and the facility. Includes facility data, etc. indicating the location and attributes of. In the present embodiment, the link data is associated with information indicating the cost for each road section.

The navigation system 10 includes a GNSS receiving unit 41, a vehicle speed sensor 42, a gyro sensor 43, a user I / F unit 44, and a communication unit 45. The GNSS receiving unit 41 is a device that receives a signal of the Global Navigation Satellite System, receives a radio wave from a navigation satellite, and outputs a signal for calculating the current location of the vehicle via an interface (not shown). The control unit 20 acquires this signal and acquires the current location of the vehicle. The vehicle speed sensor 42 outputs a signal corresponding to the rotation speed of the wheels provided in the vehicle. The control unit 20 acquires this signal via an interface (not shown) and acquires the vehicle speed. The gyro sensor 43 detects the angular acceleration for turning in the horizontal plane of the vehicle, and outputs a signal corresponding to the direction of the vehicle. The control unit 20 acquires this signal and acquires the traveling direction of the vehicle. The vehicle speed sensor 42, the gyro sensor 43, and the like are used to specify the traveling locus of the vehicle. In the present embodiment, the current location is specified based on the starting point and the traveling locus of the vehicle, and the starting point and the traveling locus are specified. The current location of the vehicle specified based on the above is corrected based on the output signal of the GNSS receiving unit 41.

The user I / F unit 44 is an interface unit for inputting a user's instruction and providing various information to the user, and includes a touch panel type display, a speaker, and the like (not shown). That is, the user I / F unit 44 functions as an output unit that outputs various information and an input unit that inputs various instructions. The communication unit 45 is a device capable of communicating with a weather information management system (not shown). The control unit 20 can acquire the weather information at an arbitrary position via the communication unit 45.

The guidance program 21 in the present embodiment searches for a route from the current location to the destination, and causes the control unit 20 to execute guidance for guiding the user along the route. In the present embodiment, the navigation system 10 can guide the weather information as the related information related to the destination at the time of the guidance.

In order to execute such guidance, the guidance program 21 includes a destination acquisition unit 21a, a route acquisition unit 21b, and a guidance unit 21c. The destination acquisition unit 21a is a program module that enables the control unit 20 to realize a function of acquiring a destination. That is, the control unit 20 can receive the user's instruction based on the information output from the user I / F unit 44 when the user operates the user I / F unit 44.

Then, when the user operates the user I / F unit 44 to specify a facility and inputs it as a destination, the control unit 20 refers to the map information 30a to specify the destination input by the user, and RAM. Record in etc. In this embodiment, the user can operate the user I / F unit 44 to input a plurality of destinations. When a plurality of destinations are input, the control unit 20 acquires the input plurality of destinations. In this case, the user operates the user I / F unit 44 to input the arrival order of the destination, and the control unit 20 acquires the arrival order to each destination.

The route acquisition unit 21b is a program module that enables the control unit 20 to acquire a function of acquiring a route from a departure point to a destination. That is, the control unit 20 identifies the current location based on the output signals of the GNSS receiving unit 41, the vehicle speed sensor 42, and the gyro sensor 43 by the processing of the route acquisition unit 21b, and considers it as the starting point. Then, the control unit 20 refers to the map information 30a and searches for a route from the departure point to the destination acquired by the destination acquisition unit 21a by a predetermined search algorithm.

When a plurality of destinations are input, the control unit 20 searches for a route from the departure point to the first destination and a route from the first destination to the second destination, and goes to all the destinations. By continuing to search for the route from the n-1st destination to the nth destination until the route is searched for, the route from the starting point to the final destination is searched for.

The guide unit 21c is a program module that causes the control unit 20 to execute a function of guiding related information related to the destination when the route guidance is started. That is, the control unit 20 executes a function of guiding the route from the departure place to the destination (or the final destination when a plurality of destinations exist) by the function of the guidance program 21. In this function, after inputting the destination, the route guidance is started according to the default trigger.

In the present embodiment, the default triggers are a route guidance start instruction by the user and a start of the user's movement. That is, the user can operate the user I / F unit 44 to input a route guidance start instruction. When the guidance start instruction is input, the control unit 20 receives the guidance start instruction by the function of the guidance unit 21c and starts the guidance of the route. On the other hand, even if the user does not explicitly give the route guidance start instruction, the control unit 20 starts moving the user by starting the operation of the vehicle after the input of the destination. , When the travel distance exceeds a predetermined threshold value (for example, 5 m), route guidance is started.

That is, when the user explicitly gives an instruction to start guidance or starts moving, it is highly possible that the user intentionally started heading for the destination of the route. Therefore, when the route guidance is started in response to these default triggers, it can be considered that there is a high possibility that the destination of the route has been determined.

Then, when the route guidance is started, the control unit 20 acquires the weather information of the destination via the communication unit 45. The weather information of the destination may be the current weather information of the destination or the weather information at the estimated time of arrival at the destination. When a plurality of destinations exist, the control unit 20 acquires the weather information of the final destination via the communication unit 45. According to this configuration, the user can take measures against the weather at the final destination (temperature measures, rainfall measures, etc.). When the weather information is acquired, the control unit 20 controls the user I / F unit 44 by the function of the guide unit 21c, displays the weather information of the destination on the display, and outputs the weather information of the destination from the speaker. Let me.

Even if the user operates the user I / F unit 44 to correct or add a destination before the route guidance is started, the weather information is not guided at that stage. With the above configuration, it is possible to provide guidance regarding the destination in a state where there is a high possibility that the destination has been determined. Therefore, it is possible to provide the weather information of the destination (the destination that is unlikely to be changed) in which the user is likely to want the weather information.

(2) Guidance processing:
Next, the guidance process will be described in detail. FIG. 2 is a flowchart of the guidance process. The guidance process is executed, for example, when the user instructs the user I / F unit 44 to start inputting the destination. In the guidance process, the control unit 20 acquires the destination by the process of the destination acquisition unit 21a (step S100). That is, the control unit 20 causes the display of the user I / F unit 44 to display a user interface for inputting a destination. The user operates the user I / F unit 44 to input the destination. The control unit 20 acquires the input destination based on the output signal of the user I / F unit 44. When the user inputs a plurality of destinations and an order of arrival at each destination, the control unit 20 acquires the plurality of destinations and acquires the order of arrival at each destination.

Next, the control unit 20 acquires a route by the function of the route acquisition unit 21b (step S105). That is, the control unit 20 acquires the current location based on the output signals of the GNSS receiving unit 41, the vehicle speed sensor 42, and the gyro sensor 43. Further, the control unit 20 refers to the map information 30a, sets the current location as the starting point, and searches for a route for reaching the destination acquired in step S100 from the starting point. When a plurality of destinations are acquired, the control unit 20 searches for a route from the departure place to the final destination so as to arrive at the destination according to the arrival order.

Next, the control unit 20 determines whether or not the route guidance has been started by the function of the guidance unit 21c (step S110). That is, when the guidance start instruction is given by the user's operation to the user I / F unit 44, the control unit 20 starts the guidance of the route. If the guidance start instruction has been given, the control unit 20 determines that the route guidance has been started. Further, the control unit 20 repeats the process of acquiring the current location of the vehicle based on the output signals of the GNSS receiving unit 41, the vehicle speed sensor 42, and the gyro sensor 43 at regular intervals (for example, every 100 ms), and the moving distance of the vehicle. To get. Then, when the moving distance of the vehicle after the departure place becomes equal to or more than a predetermined threshold value, the control unit 20 starts guiding the route.

In the present embodiment, the control unit 20 determines whether or not the guidance is started by these processes. If it is not determined in step S110 that the route guidance has started, the control unit 20 repeats the determination in step S110 at regular intervals (for example, every 100 ms). On the other hand, when it is determined in step S110 that the guidance of the route has been started, the control unit 20 determines whether or not the guidance of the weather information is necessary by the function of the guidance unit 21c (step S115). That is, in the present embodiment, the user can operate the user I / F unit 44 and set in advance whether or not to guide the weather information. If the user has previously set to guide the weather information, the control unit 20 determines that the guidance of the weather information is necessary.

If it is not determined in step S115 that the guidance of the weather information is necessary, the control unit 20 ends the guidance process. On the other hand, when it is determined in step S115 that the guidance of the weather information is necessary, the control unit 20 acquires the weather information by the function of the guidance unit 21c (step S120). That is, the control unit 20 communicates with the weather information management system via the communication unit 45, and the weather information indicating the weather of the destination (or the final destination if there are a plurality of destinations) acquired in step S100. Execute the process to acquire.

Next, the control unit 20 determines whether or not the acquisition of the weather information is successful by the function of the guide unit 21c (step S125). That is, if the control unit 20 cannot acquire the weather information by the process of step S120 (for example, when a communication error or a timeout occurs), the control unit 20 does not determine that the acquisition of the weather information is successful. If it is not determined in step S125 that the acquisition of the weather information is successful, the control unit 20 ends the guidance process.

On the other hand, when it is determined in step S125 that the acquisition of the weather information is successful, the control unit 20 guides the weather information by the function of the guide unit 21c (step S130). That is, the control unit 20 controls the user I / F unit 44, displays the weather information of the destination on the display, and outputs the weather information of the destination from the speaker.

(3) Other embodiments:
The above embodiment is an example for carrying out the present invention, and various other embodiments can be adopted as long as the related information related to the destination is guided when the route guidance is started. be. For example, the navigation system 10 may be a portable device. Further, the navigation system 10 may be used for guidance other than the vehicle, for example, guidance for pedestrians. Further, each part constituting the guidance system may be a system realized by a plurality of devices (for example, a client and a server).

Further, at least a part of the destination acquisition unit 21a, the route acquisition unit 21b, and the guide unit 21c may be divided into a plurality of devices and exist. For example, the navigation system may make a request to the server via communication, so that the destination and the route are specified by the server and returned to the guidance system. Of course, some configurations of the above-described embodiments may be omitted or replaced, and the order of processing may be changed or omitted. For example, in the above-described embodiment, when there are a plurality of destinations, the information related to the final destination is guided, but the information related to the plurality of destinations may be guided.

The destination acquisition unit may be able to acquire the destination. The destination may be specified by various methods, and is not limited to the configuration specified by the user as in the above-described embodiment. For example, the destination may be acquired based on the movement history, or the temporary destination may be acquired.

The route acquisition unit may be able to acquire the route from the departure point to the destination. That is, the route acquisition unit uses a predetermined point (for example, the current location or a predetermined point (home, public transportation station, etc.)) as the departure point, and the departure point and the destination acquired by the destination acquisition unit. It suffices if the route between them can be searched.

It suffices if the guide unit can guide the related information related to the destination when the guide of the route is started. That is, it suffices that it is highly likely that the destination has been determined when the route guidance is started, and that the related information can be guided. The related information may be any information related to the destination, and various information may be mentioned in addition to the information indicating the weather of the destination as in the above-described embodiment. For example, it may be tourist information on the destination or around the destination, or it may be facility information on the destination or facilities existing around the destination, and various configurations can be adopted.

Further, the method of guiding the related information related to the destination when the guidance of the route is started as in the present invention is also applicable as a program or a method. Further, the system, program, and method as described above can be assumed to be realized as a single device or by a plurality of devices, and include various aspects. For example, it is possible to provide a navigation system, a method, or a program having the above means. In addition, some of them are software and some of them are hardware, so they can be changed as appropriate. Further, the invention is also established as a recording medium for a program that controls a system. Of course, the recording medium of the software may be a magnetic recording medium or a semiconductor memory, and any recording medium developed in the future can be considered in exactly the same way.

10 ... Navigation system, 20 ... Control unit, 21 ... Guidance program, 21a ... Destination acquisition unit, 21b ... Route acquisition unit, 21c ... Guidance unit, 30 ... Recording medium, 30a ... Map information, 41 ... GNSS receiving unit, 42 ... Vehicle speed sensor, 43 ... Gyro sensor, 44 ... User I / F unit, 45 ... Communication unit

Claims (3)

The destination acquisition department that acquires the destination, and
A route acquisition unit that acquires the route from the departure point to the destination,
A guide unit that guides information indicating the weather at the destination by triggering the user 's instruction to start guiding the route or the start of the user's movement .
Guidance system equipped with. When a plurality of the destinations are acquired, the routes that sequentially reach the plurality of destinations are acquired.
The information indicating the weather is information indicating the weather of the destination to be reached last.
The guidance system according to claim 1. Computer,
Destination acquisition department to acquire destination,
Route acquisition unit that acquires the route from the departure point to the destination,
A guide unit that guides information indicating the weather at the destination by triggering the user's instruction to start guiding the route or the start of the user's movement.
Guidance program to function as.

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