JP2000337899A - Navigation device and storage medium - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make searchable a path according to a user's request by outputting a setting screen for selecting whether a traffic regulation section is to be avoided or not on a display means when there is a vague traffic regulation section concerning each road data on a searched path. SOLUTION: The road data of an external storage 3 consisting of a CD-ROM and the like have a traffic regulation flag with vague start/end such as the blocking of a street due to snow fall, a firework display, a festival, and events such as a marathon race in addition to a node row for indicating the coordinates information of the road and link information. When a vague traffic regulation section exists on the searched path, the CPU of a central processing unit 4 presents a setting screen for enabling a user to select whether the traffic regulation section should be avoided or not on a display 6. The user selects whether the traffic regulation section should be avoided or not with a road name and regulation data as a judgment material, excludes the traffic regulation section when the traffic regulation section should be avoided, displays the section on the display 6, and performs search again.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a navigation device and a storage medium which take into account the existence of an unclear ambiguous traffic regulation section such as a closed road caused by snow or the like.

[0002]

2. Description of the Related Art Before searching for a route to a destination, a screen for asking the user whether to search for a route based on traffic control information stored in a storage device is presented, and the traffic control information is considered. If it is confirmed that the traffic can be included in the route, a vehicle-mounted route search device that performs a route search by excluding a road for which some traffic regulation is specified from all the target roads for route search has been proposed (Japanese Patent Laid-Open No. Hei 9-260,009). 8-292053
No.). Also, traffic regulation information for which regulation is effective at the current time is displayed on a map with a display mark corresponding to the type of regulation, and the shortest route to the destination is searched and displayed in consideration of the regulation information. It has been proposed (JP-A-9-126798).

[0003]

However, the vehicle route search device proposed in the past considers traffic regulation in which the start / end time and date and time are determined in advance, such as a school zone. Ambiguous traffic regulations with uncertain start / end, such as suspension of traffic due to traffic, etc., were not considered. Therefore, if there is a closed section due to snow etc. on the searched route, it is not possible to perform a route search taking that into consideration, and the user recognizes that it is not possible to travel after reaching the closed section There was a problem of doing. In addition, it is necessary to select whether or not to take traffic regulation into account before conducting a route search. If this is taken into account, the search is performed excluding all roads that have some traffic regulation information. Did not always find the route according to his wish.

The present invention has been made to solve the above problems,
It is an object of the present invention to allow a user to select whether or not to avoid a section with an ambiguous traffic regulation and to search for a route according to the user's desire.

[0005]

SUMMARY OF THE INVENTION A navigation device according to the present invention includes a current position detecting means for detecting a current position of a vehicle, an input means for inputting information necessary for searching for a destination or a route, and a route guide. Display means for displaying information; information storage means for storing data necessary for a route search including road data to which a flag indicating presence / absence of traffic regulation whose start / end is ambiguous; and information input by the input means A route search unit that searches for a route to a destination based on information and data stored in the information storage unit; and referring to the presence or absence of the flag for each road data on the route searched by the route search unit, the When there is a traffic regulation section, a setting screen presenting means for outputting a setting screen for selecting whether to avoid the traffic regulation section to the display means, and a traffic regulation in the presented setting screen. When it is selected to avoid the section, and having a control means for re-search by excluding the traffic control section to said route search means. Further, the navigation device according to the present invention is characterized in that the setting screen displays a road name subject to traffic regulation and regulation details. Further, the navigation device of the present invention,
When there are a plurality of traffic regulation sections whose start / end is ambiguous in the searched route, a setting screen for selecting whether or not to avoid each section is presented. Further, the navigation device according to the present invention is characterized in that, when there is a traffic regulation section whose start / end is ambiguous on the searched route, it is displayed in a form that can be distinguished from other sections. Also,
The navigation device according to the present invention is characterized in that when the current position is on a traffic regulation section whose start / end is ambiguous, a search is performed without avoiding the section. Further, the navigation device of the present invention is characterized in that when the current position is on a traffic regulation section whose start / end is ambiguous, a setting screen for selecting whether to avoid the section is not presented. Further, when the navigation device of the present invention includes a traffic regulation section in which it is determined whether or not to avoid before the re-search as a result of the re-search, the navigation apparatus selects whether or not to avoid the section again. The setting screen is not presented. Further, the storage medium of the present invention includes a step of detecting a current position, a step of inputting information necessary for searching for a route, a step of displaying route guidance information, and indicating whether there is a traffic regulation whose start / end is ambiguous. Storing data necessary for a route search including flagged road data; searching for a route to a destination based on the input information and the stored data; each road on the searched route Refer to the presence or absence of the flag for the data,
A step of displaying a setting screen for selecting whether to avoid the traffic restricted section when there is an ambiguous traffic restricted section, excluding the traffic restricted section when avoiding the traffic restricted section is selected on the setting screen And re-searching the stored program. Also,
The storage medium of the present invention is characterized by storing road data having a data structure to which a flag indicating presence / absence of traffic regulation whose start / end is ambiguous is added.

[0006]

Embodiments of the present invention will be described below. FIG. 1 is a diagram showing a configuration example of a navigation device according to the present invention. An input device 1 for inputting information relating to route guidance, a current position detecting device 2 for detecting information relating to the current position of the own vehicle, navigation data required for route calculation, and display / voice guidance data and programs required for route guidance (An information storage device 3) in which (application and / or OS) and the like are recorded; a display / voice guidance process required for route search processing and route guidance; a central processing unit 4 for controlling the entire system; For example, an information transmitting / receiving device 5 for transmitting and receiving road information and traffic information, detecting information on a current position of a vehicle, and transmitting and receiving information on a current position, and an output device 6 for outputting information on route guidance. It is composed of

The input device 1 has a function of inputting a destination and instructing the central processing unit 4 to perform a navigation process according to a driver's intention. As a means for realizing the function, a remote controller such as a touch switch or a jog dial for inputting a destination as a telephone number or coordinates on a map or requesting route guidance can be used. Further, the present invention includes a device for performing a dialogue by voice input, and functions as a voice input device. Further, a recording card reader for reading data recorded on an IC card or a magnetic card can be added. In addition, an information center that stores data necessary for navigation and provides information through a communication line at the request of the driver, and a portable type that has data such as map data, destination data, simple maps, and building shape maps A data communication device for exchanging data with an information source such as an electronic device can also be added.

The current position detecting device 2 obtains the current position information of the vehicle using a satellite navigation system (GPS), and detects the traveling direction of the vehicle in the absolute direction using, for example, geomagnetism. Sensor, a traveling direction of the vehicle, for example, a steering sensor, a relative direction sensor that detects the relative direction by using a gyro sensor,
For example, it comprises a distance sensor for detecting the traveling distance of the vehicle from the number of rotations of the wheels.

The information storage device 3 is an external storage device that stores navigation programs and data, and is composed of, for example, a CD-ROM. The program includes a program for performing a process such as a route search, a processing program shown in a flowchart described in the present embodiment, a display output control required for the route guidance, a program for performing an interactive guidance by voice input, and a program for performing the guidance. Data, a program for performing voice output control necessary for voice guidance, and data necessary for the program are stored. The stored data consists of files such as map data, search data, guidance data, map matching data, destination data, registered point data, road data, genre data, landmark data, etc. Is stored. The present invention relates to a CD-R
It is also applicable to a type in which only data is stored in the OM and a program is stored in the central processing unit.

The central processing unit 4 includes a CPU for executing various arithmetic processing, a flash memory for reading and storing programs from a CD-ROM of the information storage device 3, and a program for performing program check and update processing of the flash memory (program reading). Means), the set point coordinates of the destination, and the road name code No. The RAM is configured to temporarily store the searched route guidance information and the data being processed. In addition, although not shown in the drawings, interactive processing by voice input from the input device 1 is performed, and a voice, a phrase read from the information storage device 3 based on a voice output control signal from the CPU, A voice processor that synthesizes a set of sentences, sounds, and the like, converts it into an analog signal, and outputs the analog signal to a speaker, a communication interface that exchanges input / output data by communication, and a sensor input interface that captures a sensor signal of the current position detection device 2 And a clock for writing date and time in the internal diagnostic information. Note that a program for performing the above-described update processing may be stored in an external storage device.

The program according to the present invention and other programs for executing navigation may all be stored in a CD-ROM as an external storage medium, or a part or all of these programs may be stored in a ROM 42 of the main body. May be. Various navigation functions are realized by inputting data and programs stored in the external storage medium as external signals to the central processing unit of the navigation apparatus main body and performing arithmetic processing.

The navigation device of the present invention stores a relatively large-capacity flash memory for reading a program from the CD-ROM of the external storage device, and a program (program reading means) for starting up a CD as described above. Built-in small-capacity ROM. The flash memory retains stored information even when the power is turned off, that is, is a nonvolatile storage unit. Then, as a start-up process of the CD, the program of the ROM serving as the program reading means is started, the program stored in the flash memory is checked, and the CD-ROM of the information storage device 3 is checked.
Reads disk management information and the like. The program loading process (update process) is performed based on this information and the state of the flash memory.

The information transmitting / receiving device 5 is a GPS receiving device that obtains information using a satellite navigation system (GPS);
Using a VICS information receiving device, a mobile phone, a personal computer, etc. to obtain information using FM multiplex broadcasting, radio wave beacon, optical beacon, etc., enables bidirectional information exchange with an information center (for example, ATIS) and other vehicles. It is composed of a data transmitting / receiving device for communicating with the device.

The output device 6 has a function of outputting guidance information by voice and / or screen when the driver needs it, and a function of printing out data or the like subjected to navigation processing by the central processing unit 4. As means for this, a display for displaying input data on a screen and a route guidance screen, a printer for printing out data processed by the central processing unit 4 and data stored in the information storage device 3, and voice guidance for route guidance are provided. It has a speaker to output.

The display is composed of a simple liquid crystal display or the like, and is an enlarged view of an intersection screen based on map data and guidance data processed by the central processing unit 4, a destination name, time, distance, traveling direction arrow, anthropomorphic person. The image and the like of the converted character are displayed. Since the image data sent to the display is binary image data (bitmap data), a communication line used for serial communication or the like is used instead of a dedicated image signal line. A communication line can also be used. The display is provided with a memory for temporarily storing bitmap data.

This display is provided in the instrument panel near the driver's seat, and the driver can check the current position of the vehicle by looking at the display and obtain information on the route from now on. . Also,
Although illustration is omitted, using a tablet including a touch panel, a touch screen, etc. on the display screen of the display,
By touching or tracing the screen, a point input, a road input, or the like may be performed.

FIG. 2 is a diagram for explaining the flow of the entire system of the navigation device according to the present invention. When the program is read from the information storage device 3 into the central processing unit 4 and the route guidance program is started, the current position is detected by the current position detection device 2 and a map around the current position is displayed around the current position. The name of the current position is displayed (step S1). Next, a destination is set using a target name such as a place name or a facility name, a telephone number, an address, a registered point, a road name, and the like (step S2), and a route search from the current position to the destination is performed (step S3). ). Once the route is determined,
While tracking the current position by the current position detection device 2,
The route guidance / display is repeated until the vehicle arrives at the destination (step S4). If a detour setting is input before arriving at the destination, a search area is set, a re-search is performed in the search area, and route guidance is repeated until the vehicle arrives at the destination.

FIG. 3 is a diagram showing an example of a road data structure used in the present invention. Each road data is provided with a node sequence indicating the coordinate information of the road, link information, and a traffic regulation flag whose start / end is ambiguous, such as closing a road due to an event such as a snowfall, a fireworks display, a festival, or a marathon. I have. In road data 1, there is an ambiguous traffic regulation flag,
The specific contents are stored as traffic regulation information. The road data 2 has no ambiguous traffic control flag, and does not store traffic control information. When a destination or a passing point is set, a route search is performed with reference to the road data shown in FIG. 3 regardless of the presence or absence of traffic regulation information.
As a result of the search, for example, as shown in FIG. 4, an entire route map from the starting point to the destination is displayed. In FIG.
The section A is a traffic regulation section whose start / end is ambiguous, and such a section present in the searched route is displayed in a manner that can be distinguished from other sections. In the figure, the section A is indicated by a thick line to distinguish it from other sections. However, in addition to this, the section A is displayed so as to be identifiable as appropriate by a dotted line or changing colors.

As described above, when there is an ambiguous traffic regulation section on the searched route, a setting screen for allowing the user to select whether to avoid the traffic regulation section is presented as shown in FIG. In the example of FIG. 5, the user is asked, "Do you want to avoid the next seasonally regulated road?", The road name and the contents of the regulation are also displayed, and displayed so that "Yes" or "No" can be selected. The user selects whether or not to consider the traffic regulation section using the road name and the content of the regulation as judgment material. If "Yes" is selected, a re-search is performed excluding the traffic regulation section A. If "No" is selected, the re-search is not performed, and the guidance based on the already searched route is performed. In addition,
If there are multiple traffic regulation sections on the searched route, a setting screen is displayed for each and the same processing is performed.
Further, the same processing is performed even when another ambiguous traffic regulation section exists as a result of the re-search. Here, the above exclusion means that the road cost of the target traffic regulation section is set to be relatively high or infinite with respect to other road costs, and it is difficult to pass through the traffic regulation section and the search is performed again. Is performed. Alternatively, the target traffic regulation section may be excluded from the route search target so that the traffic regulation section is never included in the route. In this case, for example, when it is impossible to reach the destination unless the vehicle passes through the section, a message indicating that the search is impossible is displayed. Further, when the current position is on a traffic regulation section whose start / end is ambiguous, regardless of the selection of whether or not to avoid the section, a route that does not avoid the section may be searched, The selection of whether to avoid the section or not may not be performed without presenting the setting screen. Furthermore, if the re-search route includes a section where the user has selected whether to avoid before re-searching, the setting screen is not presented again, and the user is not allowed to select whether to avoid. You may.

FIG. 6 is a diagram for explaining the route search processing of the present invention. First, a route search is performed including a regulated road as a target (S1). It is determined whether or not an ambiguous traffic-regulated road section exists on the searched route (S2). If there is, an ambiguous traffic-regulated road section can be identified as shown in FIG. 4 and all routes are displayed. (S3). If there is no vague traffic regulation road section, all routes are displayed (S4). Next, when there is an ambiguous traffic regulation section, a setting screen for selecting whether or not the user avoids the traffic regulation road section as shown in FIG. 5 is displayed (S
5) When the user selects to avoid on the setting screen (S6), the route search is performed again excluding the traffic-restricted road, and the same processing as above is repeated. If the avoidance is not selected on the setting screen, the route search processing ends.

[0021]

As described above, according to the present invention, the start / end of the road is closed due to ambiguous snow cover, fireworks display, festival,
It becomes possible to search for routes that take into account traffic-controlled sections due to events such as marathons, and to select whether to consider traffic-controlled sections after a route search, based on the road name of the traffic-controlled sections and the details of the restrictions. Can be
It is possible to search for a route according to the user's request.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration example of a vehicle navigation device of the present invention.

FIG. 2 is a diagram for explaining the flow of the entire system of the present invention.

FIG. 3 is a diagram showing an example of a road data structure according to the present invention.

FIG. 4 is an overall view of a searched route.

FIG. 5 is a diagram showing a setting screen for determining whether to consider a traffic regulation section.

FIG. 6 is a diagram showing a route search processing flow according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Input device, 2 ... Current position detection device, 3 ... Information storage device, 4 ... Central processing device, 5 ... Information transmission / reception device, 6 ... Output device.

 ──────────────────────────────────────────────────続 き Continuing from the front page (71) Applicant 000237592 Fujitsu Ten Co., Ltd. 1-2-2, Goshodori, Hyogo-ku, Kobe-shi, Hyogo (71) Applicant 000005821 Matsushita Electric Industrial Co., Ltd. (72) Inventor Mamoru Kainuma 10 Takane, Fujii-cho, Anjo, Aichi Prefecture Inside Aisin AW Co., Ltd. (72) Inventor Yasuhiro Toyama 10 Takane, Fujii-cho, Anjo City, Aichi Prefecture Aisin AW Co., Ltd. (72) Inventor Hidenobu Suzuki 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Motor Corporation (72) Inventor Hironobu Sugimoto 1 Toyota Town Toyota City, Aichi Prefecture Toyota Motor Corporation (72) Inventor Hidetoshi Fujimoto Aichi 1-1-1 Showa-cho, Kariya, Japan Inside Denso Corporation (72) Inventor Hiroshi Takeuchi Hyogo-ku, Kobe-shi, Hyogo Fujitsu Ten Co., Ltd. 1-228 Toshodori (72) Inventor Masatsugu Uemura 1-2-2-28 Goshodori, Hyogo-ku, Kobe City, Hyogo Prefecture Inside Fujitsu Ten Co., Ltd. (72) Inventor Jun Ichimura Kobe, Hyogo Prefecture Fujitsu Ten Co., Ltd. 1-2-28 Gosho-dori, Hyogo-ku, Ichigo-shi (72) Inventor Isao Ogawa 4-3-1 Tsunashimahigashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture F-term (reference) 2C032 HB02 HB22 HB23 HB24 HB25 HC05 HC08 HD04 HD24 2F029 AA02 AB01 AB07 AB12 AB13 AC02 AC09 AC14 AC18 AC19 AC20 5H180 AA01 BB02 BB04 BB05 BB12 BB13 EE02 EE13 EE18 FF04 FF05 FF12 FF13 FF22 FF33 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25 FF25

Claims (9)

[Claims] 1. A current position detecting means for detecting a current position of a vehicle; an input means for inputting information necessary for searching for a destination or a route; a display means for displaying route guidance information; An information storage unit storing data necessary for a route search including road data to which a flag indicating presence or absence of ambiguous traffic regulation is attached; information input by the input unit and data stored in the information storage unit A route search means for searching for a route to a destination on the basis of the flag, referring to the presence or absence of the flag for each road data on the route searched by the route search means, and Setting screen presenting means for outputting a setting screen for selecting whether or not to avoid the section to the display means, and when avoiding the traffic regulation section is selected on the presented setting screen, Control means for causing the route search means to search again excluding the traffic regulation section. 2. The navigation device according to claim 1, wherein a name of a road subject to traffic regulation and details of the regulation are displayed on the setting screen. 3. When there are a plurality of traffic regulation sections whose start / end is ambiguous in the searched route, a setting screen for selecting whether or not to avoid each section is presented. Or the navigation device according to 2. 4. The method according to claim 1, wherein when there is a traffic regulation section whose start / end is ambiguous on the searched route, the traffic regulation section is displayed in such a manner as to be distinguishable from other sections. Navigation device. 5. The method according to claim 1, wherein when the current position is on a traffic regulation section whose start / end is ambiguous, a search is performed without avoiding the section. Navigation device. 6. The method according to claim 1, wherein when the current position is on a traffic regulation section whose start / end is ambiguous, a setting screen for selecting whether or not to avoid the section is not presented. The navigation device according to claim 1. 7. When a re-search is performed, if a traffic regulation section in which whether to avoid before re-search is selected is included, a setting screen for selecting whether to avoid again in the section is presented. 7. The navigation device according to claim 1, wherein the navigation device is not operated. 8. A step of detecting a current position, a step of inputting information necessary for searching for a route, a step of displaying route guidance information, and a flag indicating whether there is a traffic regulation whose start / end is ambiguous. Storing the data necessary for the route search including the searched road data, searching the route to the destination based on the input information and the stored data, and setting a flag for each road data on the searched route. Referring to the presence / absence, when there is an ambiguous traffic regulation section, a step of displaying a setting screen for selecting whether to avoid the traffic regulation section, when it is selected to avoid the traffic regulation section on the setting screen, Re-searching while excluding the traffic regulation section; and a storage medium storing a program comprising: 9. A storage medium storing road data having a data structure to which a flag indicating presence / absence of traffic regulation whose start / end is ambiguous is stored.