WO2007114015A1 - 経路案内装置、経路案内方法、経路案内処理プログラム - Google Patents
経路案内装置、経路案内方法、経路案内処理プログラム Download PDFInfo
- Publication number
- WO2007114015A1 WO2007114015A1 PCT/JP2007/055142 JP2007055142W WO2007114015A1 WO 2007114015 A1 WO2007114015 A1 WO 2007114015A1 JP 2007055142 W JP2007055142 W JP 2007055142W WO 2007114015 A1 WO2007114015 A1 WO 2007114015A1
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- WIPO (PCT)
- Prior art keywords
- route
- location information
- avoidance
- setting
- temporary destination
- Prior art date
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Classifications
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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
- G01C21/3461—Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types, segments such as motorways, toll roads, ferries
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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
-
- 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
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
- G01C21/30—Map- or contour-matching
-
- 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
- G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
- G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
- G08G1/096827—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed onboard
Definitions
- Route guidance device route guidance method, route guidance processing program
- the present invention relates to a route guidance device, a route guidance method, and a route plan processing program that provide a route to a destination.
- Information input means for inputting the location information
- location information acquisition means for acquiring the location information of the operator or the route guidance device using, for example, GPS (Global Positioning System), and the map information and guidance conditions described above
- route setting means for setting a route from the current location to the destination.
- a route guidance device for example, a car navigation device for guiding a travel route of an automobile as disclosed in Patent Document 1 has been disclosed.
- the route setting means vehicle equipment
- the route setting means sets the route so as to avoid areas where accidents occur frequently, based on the traffic accident information acquired from the traffic accident information database.
- a route guidance device as disclosed in Patent Document 2 that guides a walking route of a pedestrian is disclosed.
- the route setting means sets the route according to the user's needs so as to avoid places that obstruct walking, such as narrow sidewalks, stairs, and escalators.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-94444 (Figs. 34-37)
- Patent Document 2 JP 2001-336947 A
- the problems to be solved by the present invention include the above-described problems as an example.
- the invention according to claim 1 is a route guidance device for devising a route of a moving operator, and obtains avoidance area information associated with map data.
- Area information acquisition means for acquiring information
- location information acquisition means for acquiring location information of the operator or the route guidance device, and the location information acquired by the location information acquisition means and the operator or the route guidance device
- the avoidance route setting means for setting the route to the temporary destination while avoiding the intrusion to the avoidance area acquired by the area information acquisition means
- the avoidance route setting means A display signal generation means for generating a display control signal for displaying a route to the set temporary destination.
- the invention according to claim 9 is a route guidance method for guiding a route of a moving operator, and obtains information on a necessary avoidance area associated with map data.
- the invention acquires the area information acquisition procedure for acquiring the area information to be avoided associated with the map data and the location information of the operator or the route guidance device.
- the avoidance route setting procedure for setting the route and the display control signal for displaying the route to the set temporary destination is executed by the calculation means provided in the route guidance device.
- FIG. 1 is a schematic configuration diagram showing a schematic configuration of a route guidance system 100 including a mobile terminal device 1 (route guidance device) of the present embodiment.
- a route guidance system 100 is connected to a mobile terminal device 1, a communication base station 20 that connects the mobile terminal device 1 to the Internet 50, and a base station 20 connected to the Internet 50 via the Internet 50.
- It has a map information providing site 30 that provides information, and a dangerous area information providing site 40 that is connected to the base station 20 via the Internet 50 and provides dangerous area information. Note that the map information providing site 30 and the dangerous area information providing site 40 are the same site.
- the map information providing site 30 includes a map information database 31 that stores map information, and a map information providing server 32 that provides map information of the map information database 31.
- the map information database 31 stores map data for various regions.
- the user of the mobile terminal device 1 accesses the map information providing site 30 using the mobile terminal device 1 and designates the desired map information, whereby the map information is transferred to the mobile terminal device 1 (in detail). Can be downloaded to the map data memory 14 or working memory 17) described later.
- the dangerous area information providing site 40 includes a dangerous area information database 41 that stores dangerous area information, and a dangerous area information providing server 42 that provides dangerous area information of the dangerous area information database 41.
- a dangerous area information database 41 for example, roads that are closed during construction and intersections where traffic volume is high and traffic accidents are avoided! /, Map data of specific areas (dangerous areas) are stored in advance.
- Map data of specific areas are stored in advance.
- the user of the mobile terminal device 1 uses the mobile terminal device 1 to access the dangerous area information providing site 40 and designates a desired area.
- the dangerous area information of the portable terminal device 1 (more specifically, the map data memory 14 or the working memory 17 described later) can be downloaded.
- the dangerous area information database 41 includes, in addition to the above-mentioned dangerous roads for preventing traffic accidents such as closed roads and frequent traffic accidents, for example, roads with low traffic and dark roads at night. Risk areas etc. from the viewpoint of crime prevention such as suspicious persons, molesters, and kidnappings are also stored.
- the user of the mobile terminal device 1 individually registers it with the mobile terminal device 1 such as pre-selecting and registering roads that the child does not want to pass based on the dangerous area information uniquely obtained by the guardian.
- the dangerous area information may be registered.
- the above dangerous area information may be reflected in the dangerous area information database 41.
- the judgment conditions for determining whether or not it is a dangerous area may differ depending on whether the user is a child, a woman, or an elderly person, the age and sex of the user are registered in advance in the mobile terminal device 1. Further, only the dangerous area information unique to the user may be extracted and read out according to the registered information.
- Figure 2 shows an example of user-specific dangerous areas and judgment conditions.
- FIG. 3 is an external view showing the overall structure of the mobile terminal device 1.
- the mobile terminal device 1 is a mobile phone type terminal having a telephone function, and includes a display unit 9 and scroll keys 20 to 20 for scrolling display information in the display unit 9 in the vertical and horizontal directions.
- a plurality of operation keys 10 consisting of 23 etc. are provided on the front panel.
- FIG. 4 is a functional block diagram showing a functional configuration of the mobile terminal device 1. As shown in FIG. 4, the mobile terminal device 1 operates under the control of each component by a control unit 7 including a CPU and the like!
- the voice signal of the call is processed by the antenna 2, the wireless transmission / reception unit 3, and the signal processing unit 4.
- transmission radio waves from other telephone devices are received by the antenna 2 and demodulated by the radio transmission / reception unit 3 to generate a reception signal.
- the received signal is subjected to signal processing for reproduction by the signal processing unit 4 and reproduced as sound from the speaker 5.
- the user's voice is input to the microphone 6 and converted into a voice signal.
- the audio signal is subjected to signal processing for transmission in the signal processing unit 4 and is sent to the radio transmission / reception unit 3.
- the wireless transmission / reception unit 3 modulates the audio signal from the signal processing unit 4 and supplies it to the antenna 2, and the antenna 2 transmits the audio signal as a radio wave.
- a control signal is output to the signal processing unit 4, and the speaker 5 Force is also reproduced as sound, or by outputting a control signal to the vibration unit 18 instead of or simultaneously with sound, the mobile terminal device 1 is vibrated.
- the GPS antenna 15 receives radio waves from a plurality of satellites and supplies received signals to the GPS receiver 16.
- the GPS receiving unit 16 obtains the current position of the mobile terminal device 1 using a plurality of radio waves and supplies it to the control unit 7 as current position data.
- the current position data can be, for example, latitude and longitude data, and can be stored in the map data memory 14 or the work memory 17 as necessary.
- a system memory 11, a telephone number memory 12, a message memory 13, a map data memory 14, and a work memory 17 are connected to the control unit 7.
- the system memory 11 stores programs for executing various functions of the mobile terminal device 1 in advance.
- the telephone number memory 12 records a plurality of telephone numbers in association with the names of the other parties.
- the message memory 13 records messages transmitted and received by the mail function of the mobile terminal device 1 and the like.
- the working memory 17 is used for temporarily storing data in various processes.
- FIG. 5 is a flowchart showing the procedure of route guidance control executed by the control unit 7. This flowchart is started when, for example, the operation key 10 is operated by the user and a route plan start instruction is input.
- step S5 in response to the location information acquisition instruction input by the user operating the operation key 10, GPS signals are received using a plurality of satellite forces received via the GPS antenna 15.
- the location information (current location information) of the mobile terminal device 1 obtained by the receiving unit 16 is acquired.
- This location information is acquired as, for example, latitude / longitude information.
- the location information is acquired at predetermined time intervals (for example, every few seconds) and stored as a travel history in an appropriate memory (such as the map data memory 14 or the work memory 17).
- the map information providing site 30 is accessed via the base station 20 and the Internet 50 according to the map information acquisition instruction input by the user operating the operation key 10, and the map information The user downloads and obtains the desired map information (map information of the area around the current location based on the location information acquired in step S5) from the database 31.
- desired map information is previously stored in an appropriate memory (map) of the mobile terminal device 1. Data memory 14 etc.) may be stored and read out from the memory.
- the dangerous area information providing site 40 is accessed via the base station 20 and the Internet 50 in response to the dangerous area information acquisition instruction input by the user operating the operation key 10.
- the user downloads and acquires the desired dangerous area information (the dangerous area information of the area around the current location based on the location information acquired in step S5) from the dangerous area information database 41.
- desired dangerous area information may be stored in advance in an appropriate memory (such as the map data memory 14) of the mobile terminal device 1 and read out from the memory.
- next step S20 the user operates the operation key 10 to input a destination and route search instruction, and determines whether a route from the current location to the destination has been set. . If the route is not set, the judgment is not satisfied and the next step S100 is passed.
- step S100 a travel direction prediction process for predicting the travel direction of the user from a travel history (a set of latitude and longitude information) stored in an appropriate memory (such as the map data memory 14 or the work memory 17). I do.
- next step S25 it is determined whether or not the user has approached the dangerous area. This determination is made based on the acquired location information (current location information) and the direction of travel determined in step S100 above. That is, for example, it is determined whether or not there is a dangerous area in the traveling direction and within a radius of several tens of meters, and if it exists, it is determined that the dangerous area has been approached. Step S100 and step S25 are repeated until the danger area is approached. When the danger area is approached, the determination is satisfied and the routine goes to the next step S30.
- the dangerous area information database 41 stores information on the dangerous area itself, and the mobile terminal device 1 that has obtained the information stores a buffer of several tens of meters around the dangerous area as described above.
- the approach determination is performed in consideration of the area (the area where the user determines that the user has approached the dangerous area), but the present invention is not limited to this.
- the dangerous area information including the buffer area is used as the dangerous area information. It may be stored in the database 41 and the mobile terminal device 1 side may determine the approach by determining whether or not the user has entered the dangerous area.
- a control signal is output to the display unit 9 to display a warning display on the display unit 9 to warn the user that the danger area has been approached, and to the signal processing unit 4.
- a control signal is output and a warning sound is played from speaker 5. Instead of the warning sound or simultaneously with the warning sound, a control signal may be output to the vibration unit 18 to vibrate the mobile terminal device 1.
- a temporary destination that is a point beyond the dangerous area is determined from the traveling direction predicted in step S100 (or the travel history stored in an appropriate memory) and the dangerous area information.
- a temporary destination determination process is performed.
- step S35 an avoidance route for avoiding a dangerous area from the current location to the temporary destination determined in step S200 is set.
- a control signal is output to the display unit 9, the dangerous area avoidance route set in step 35 is displayed on the display unit 9, and a route is guided until it passes through the dangerous area.
- a control signal may be output to the signal processing unit 4 and voice guidance may be performed from the speaker 5 in accordance with the display by the display unit 9. This flow is completed by the above.
- step S45 if a dangerous area exists on the set route, whether the user has approached the dangerous area, that is, the acquired location information (current location information) is the risk acquired in step S15. Determine whether the force is close to the area information. This step is repeated until the danger area is approached. When the danger area is approached, the judgment is satisfied and the next step S 50 is passed.
- the acquired location information current location information
- step S50 as in step S30 above, a control signal is output to the display unit 9, and a warning display is displayed on the display unit 9 to warn the user that the danger area has been approached. Then, a control signal is output to the signal processing unit 4 and a warning sound is reproduced from the speaker 5. Instead of the warning sound or simultaneously with the warning sound, a control signal may be output to the vibration unit 18 to vibrate the mobile terminal device 1.
- an avoidance rule for avoiding a dangerous area existing on the set route Determine the route and reset the route to the destination.
- avoidance routes have been set in advance, but the risk zone may change depending on the time zone, etc., so it will be reset.
- step S60 a control signal is output to the display unit 9, and the route to reach the destination is avoided while avoiding the dangerous area reset in step 55. Displayed on the display unit 9 to guide the route. Further, at this time, a control signal may be output to the signal processing unit 4 and voice guidance may be performed from the speaker 5 in accordance with the display by the display unit 9. This flow is completed by the above.
- FIG. 6 is a flowchart showing the detailed procedure of step S100.
- the previous position information for example, several minutes ago or several hundred meters ago
- the travel history latitude / longitude information
- the appropriate memory such as the map data memory 14 or the work memory 17. Read location information).
- the current (first time) location information (first location information) is compared with the previously read location information (second time, eg, immediately before) (second location information). Then, the latitude difference and the longitude difference are calculated (comparison means).
- latitude means north latitude and longitude means east longitude.
- next step S115 it is determined whether or not the calculated latitude difference is greater than or equal to the longitude difference. That is, it is determined whether the user's moving direction is dominant in the north-south direction or in the east-west direction. If the latitude difference is equal to or greater than the longitude difference, the north-south direction is regarded as dominant, and the process proceeds to the next step S120.
- step S120 it is determined whether or not the latitude difference is 0 or more. That is, it is determined whether the user's moving direction is dominant in the north direction or in the south direction. If it is greater than or equal to the latitude differential force SO, the determination is satisfied and the routine moves to the next step S 125 where the traveling direction is set to “north”. On the other hand, if the latitude difference is less than 0, the determination is not satisfied and the routine goes to the next step S130, where the traveling direction is set to “south”. Thus, this routine is finished.
- step S115 if the latitude difference is less than the longitude difference, the east-west direction is considered to be dominant, and the process proceeds to the next step S135.
- step S 135 it is determined whether the longitude difference is 0 or more. In other words, the direction of user movement is dominated by the east direction. Or whether the west direction is dominant. If the longitude difference is greater than or equal to 0, the determination is satisfied and the routine goes to the next step S140, where the traveling direction is set to “east”. On the other hand, if the longitude difference is less than 0, the determination is not satisfied and the process proceeds to the next step S145, and the traveling direction is set to “west”. Thus, this routine is finished.
- step S125, step S130, step S140, step S145 force comparison means it is dominant when the latitude difference related to the first and second location information is larger than the longitude difference. Constructs a control direction determining means in which the direction of travel is north or south, and the longitude direction related to the first and second location information is greater than the latitude difference, the dominant travel direction is east or west. To do.
- the direction of travel is classified into four directions, east, west, south, and north, but it may be further classified into directions such as northeast and southwest.
- FIG. 7 is a flowchart showing the detailed procedure of step S200.
- step S210 among the past traffic histories (for example, the history of passing the same route yesterday or several days ago) in an appropriate memory (such as the map data memory 14) of the mobile terminal device 1, the current step S5 Judges whether there is a thing that matches the acquired location information (the one whose current location is on the traffic history) (determination means). For example, if the child is performing route guidance on the mobile terminal device 1 every day when going to school, the corresponding past travel history exists, so the determination is satisfied and the routine goes to the next step S220.
- the past traffic histories for example, the history of passing the same route yesterday or several days ago
- an appropriate memory such as the map data memory 14
- step S220 the above past traffic history is read from the memory, and based on this traffic history information and the dangerous area information acquired in the previous step S15, at a point exceeding the dangerous area on the past traffic route.
- a temporary destination is set (history destination determination means, see Fig. 9 below). This routine is completed.
- step S210 for example, in the case of the first passage, there is no past passage history, so the determination is not satisfied, and the routine proceeds to the next step S230.
- step S230 based on the traveling direction determined in step S100 and the dangerous area information acquired in previous step S15, a temporary target is set near the traveling direction and beyond the dangerous area on the road. Set the ground (neighboring destination determination means; see Figure 10 below). This is the end of this routine.
- FIG. 8 shows a case where there is a route setting (when the determination in step S20 in FIG. 5 is satisfied).
- 7 is a diagram for explaining an example of route guidance by the mobile terminal device 1.
- FIG. 8 to 10 for example, a description will be given of an example in which the user M, who is a child, moves from the cram school at the departure point to the destination home.
- the user M is performing route guidance from the cram school to his / her home before leaving the cram school, and the route Ro is the route set at this time.
- this route Ro for example, there is a dangerous zone DZ such as a road where there was suspicious person sighting information.
- the determination in step S45 in FIG. 5 is satisfied, a warning is given in the next step S50, and avoidance of avoiding the dangerous area DZ in step S55.
- the route R1 including the route (the bold line in the figure) is reset.
- step S60 in FIG. 5 the user M is guided to travel along route R1.
- FIG. 9 shows a case where there is no route setting (when the determination at step S20 in FIG. 5 is not satisfied) and there is a past travel history (when the determination at step S210 in FIG. 7 is satisfied).
- 4 is a diagram for explaining an example of route guidance by the terminal device 1.
- the user M is traveling on the road in a direction approaching the danger zone DZ.
- the determination at step S20 in FIG. 5 is not satisfied.
- the determination in step S25 in FIG. 5 is satisfied, a warning is issued in the next step S30, and a temporary destination determination process in step S200 is performed.
- the mobile terminal device 1 stores a past traffic history Rt (for example, a traffic history when passing the previous time).
- step S210 in FIG. 7 the determination in step S210 in FIG. 7 is satisfied, and in the next step S220, the temporary destination G is set at a point exceeding the dangerous area DZ on the past traffic history Rt, and the current location is determined in step S35 in FIG.
- the avoidance route R2 to the temporary destination G is set while avoiding the danger zone DZ.
- step S40 in FIG. 5 the route is routed to the user M so as to avoid the danger zone DZ.
- FIG. 10 shows a case where there is no route setting (when the determination at step S20 in FIG. 5 is not satisfied) and there is no past traffic history (when the determination at step S210 in FIG. 7 is not satisfied).
- 7 is a diagram for explaining an example of route guidance by the mobile terminal device 1 in FIG.
- step S100 the determination at step S20 in FIG.
- This traveling direction prediction process compares the current location of user M (point M in the figure) with the previous position (point Mo in the figure), and determines the traveling direction to be “north” (arrow 51 in the figure). reference). Then, when the user M approaches the dangerous area DZ, the determination in step S25 in FIG. 5 is satisfied, a warning is issued in the next step S30, and a temporary destination determination process in step S200 is performed.
- step S210 in FIG. 7 the determination in step S210 in FIG. 7 is not satisfied, and the road extending in the direction close to the direction of travel of user M determined above (here, “north”) is determined in the next step S230.
- Road 52 is selected as a temporary destination G at a point on the road 52 that exceeds the danger zone DZ.
- step S35 in FIG. 5 an avoidance route R3 that reaches the temporary destination G is set while avoiding the current location force danger region DZ.
- step S40 in FIG. 5 the user M is guided to avoid the danger zone DZ by passing the route R3.
- the route guidance device (in this example, the mobile terminal device) 1 is a route guidance device for guiding the route of the moving operator (user in this example) M.
- Area information acquisition means (in this example, step S15 executed by the control unit 7) for acquiring the avoidance area information (in this example, dangerous area information) associated with the map data
- the operation Location information acquisition means (step S5 executed by the control unit 7 in this example) for acquiring the location information of the person M or the route guidance device 1 and the location information and operation acquired by the location information acquisition means S5
- the avoidance area (in this example, the dangerous area) acquired by the area information acquisition means S15 while avoiding the intrusion into the DZ Avoidance to set route Route setting means (In this example, step S100, step S200 and Step S35) and display signal generation means for generating a display control signal for displaying the route to the temporary destination G set by the avoidance route setting means
- the location information is acquired by the location information acquisition means S5.
- the area information acquisition means S15 acquires the area information that should be avoided in the movement operation in association with the map data.
- the route to the temporary destination G is set by the avoidance route setting means S100, S200, S35 while avoiding the entry to the avoidance zone DZ, and the display control signal for the route to the temporary destination G is generated as a display signal.
- the route can be displayed on the display means (in this example, the display unit) 9.
- the avoidance route setting means SIOO, S200, S35 sets the route to the temporary destination G based on the location information and the traveling direction prediction result of the operator M (or the route guidance device 1).
- the route to destination G can be set reliably.
- the route guidance method by the route guidance device 1 in the present embodiment is a route guidance method for guiding the route of the moving operator M, and is a region for acquiring necessary avoidance region information associated with map data.
- Information acquisition procedure (step S1 5 executed by the control unit 7 in this example) and location information acquisition procedure for acquiring the location information of the operator M or the route guidance device 1 (step S5 executed by the control unit 7 in this example) )
- step S5 executed by the control unit 7 in this example
- Avoidance area Avoidance route setting procedure that sets the route to the temporary destination G while avoiding intrusion into DZ
- step S40 executed by the control unit 7 in this example.
- the location information is acquired in the location information acquisition procedure S5.
- the avoidance area information to be avoided in the moving operation is acquired in the area information acquisition procedure S15 in a form associated with the map data.
- the route to the temporary destination G is set by the avoidance route setting hand HI1S 100, S200, S35 while avoiding the intrusion to the avoidance zone DZ, and the display control signal of the route to the temporary destination G is the display signal.
- the route can be displayed on the display means 9 by being generated in the generation procedure S40.
- a route to the temporary destination G is set based on the location information and the traveling direction prediction result of the operator M (or the route guidance device 1). To do.
- the avoidance planned route for avoiding the avoidance area DZ is not determined in advance, the current geological power is created in such a way as to avoid the avoidance area DZ while reflecting the prediction result of the traveling direction.
- the route to the ground G can be set reliably.
- the area information acquisition procedure S15 for obtaining the avoidance area information associated with the map data, and the location of the operator M or the route guidance device 1 Based on the location information acquisition procedure S5 for acquiring information, and the acquired location information and the predicted result of the traveling direction of the operator M or the route guidance device 1, while avoiding intrusion into the acquired avoidance area DZ Temporary destination G
- the avoidance route setting procedure S100, S200, S35 for setting the route and the display signal generation procedure S40 for generating the display control signal for displaying the route to the set temporary destination G are added to the route guidance device 1. It is characterized in that it is executed by the provided computing means (in this example, the CPU provided in the control unit 7).
- the route guidance device 1 When the route guidance device 1 is caused to execute the route guidance processing program of this embodiment, when the operator M moves, the location information is obtained in the location information acquisition procedure S5 executed by the computing means 7. .
- the avoidance area information to be avoided in the movement operation is acquired by the calculation means 7 in the area information acquisition procedure S15 in a form associated with the map data.
- the route to the temporary destination G while avoiding the invasion to the avoidance zone DZ is set in the avoidance route setting procedure S100, S200, S35 by calculation method 7, and the route to the temporary destination G is displayed.
- the control signal is generated by the calculation means 7 in the display signal generation procedure S40, the route can be displayed on the display means 9.
- the route to the temporary destination G is determined based on the location information and the traveling direction prediction result of the operator M (or the route guidance device 1). Set.
- the route to destination G can be set reliably.
- the avoidance route setting means predicts the traveling direction of the operator M or the route guidance device 1 based on the location information acquired by the location information acquisition means S5.
- Travel direction predicting means in this example, step S100 executed by the control unit 7
- area information obtaining means S15 required avoidance area information and map
- temporary destination setting means for setting the temporary destination G along the traveling direction predicted by the traveling direction predicting means S100 in this example, step S200 executed by the control unit 7
- location information Route determination to determine the route from the location related to the temporary destination G set by the temporary destination setting means S200, based on the map data while avoiding the avoidance area DZ acquired by the area information acquisition means S15 Means (step S35 executed by the control unit 7 in this example).
- the traveling direction prediction means S100 predicts the traveling direction based on the location information, and the temporary destination setting means S200 follows the predicted traveling direction.
- the route guidance can be surely executed.
- the traveling direction prediction means S100 includes latitude and longitude information included in the first location information acquired by the location information acquisition means S5 in the first period, and the first The comparison means (in this example, step S110 executed by the control unit 7) for comparing the latitude and longitude information included in the second location information acquired by the location information acquisition means S5 in the second period before the time, and this According to the comparison result in the comparison means S110, if the latitude difference related to the 1st and 2nd location information is larger than the longitude difference, the dominant traveling direction is the north or south direction, and the 1st and 2nd locations In the case where the longitude difference related to the information is larger than the latitude difference, the dominant direction of travel is determined to be the east or west direction (in this example, steps S125, S130, S140, S145) And butterflies.
- the control direction determining means S125, S130, S140, S145 If the latitude difference (north latitude and south latitude) is greater than the longitude difference (east longitude and west longitude), the north or south latitude direction is the dominant direction, and if the longitude difference (east longitude and west longitude) is greater than the latitude difference (north latitude south latitude), then east It can be determined that the direction of longitude or west is the dominant direction, and thus the direction of travel can be predicted.
- the temporary destination setting means S200 is a set of location information acquired by the location information acquisition means S5 in the past predetermined period.
- Determination means (in this example, step S210 executed by the control unit 7) for determining whether there is any corresponding to the location information currently acquired by the location information acquisition means S5, When the determination of this determination means S210 is satisfied, the historical destination determination is performed to determine the temporary destination G at a point along the predicted traveling direction that is located outside the avoidance area DZ on the traffic history Rt.
- Means in this example, step S220 executed by the control unit 7).
- the historical destination is determined as a safe and reliable temporary destination G. It can be determined by means S220.
- the temporary destination setting means S200 includes the location information of the traffic history Rt that is a set of location information acquired by the location information acquisition means S5 in the past predetermined period.
- Information acquisition means S5 that determines whether or not there is an item corresponding to the location information that is currently acquired by S5, and on the road that is close to the predicted direction of travel when the determination of this determination means S210 is not satisfied
- the vehicle is provided with a neighboring destination determining means (in this example, step S230 executed by the control unit 7) for determining the temporary destination G at a point located outside the avoidance area DZ.
- Whether there is a past traffic history Rt corresponding to the current location information is determined by the determination means S210. If there is no corresponding traffic history Rt, the traveling direction is predicted, The temporary destination G is determined at a point located outside the avoidance area DZ on the road close to the traveling direction by the land determination means S230. As a result, even if there is no past traffic history Rt, such as when you accidentally deviate from a route that you normally use, you can avoid the necessary area while reflecting the prediction result in the direction of travel. While avoiding DZ, it is possible to reliably set the route to the current geopotential temporary destination G.
- the avoidance route setting means S100, S200, S35 are predicted by the travel direction prediction means S100 and the temporary destination setting means S200.
- a temporary destination G is set along the direction of travel, and the route determination means S35 Selectively switch between the prediction setting mode that determines the route to the temporary destination G set by and the scheduled setting mode that sets the planned avoidance route prepared in advance to avoid entering the avoidance zone DZ. If the avoidance route setting means (step S55 executed by the control unit 7 in this example) is switched to the scheduled setting mode, the display signal generation means (step S60 executed by the control unit 7 in this example) is switched. ) Is characterized by generating a display control signal for displaying a route including a route to be avoided corresponding to the location information.
- the route guidance method by the route guidance device 1 in the present embodiment is that the avoidance route setting procedure S100, S200, S35 is performed by the operator or the route guidance device 1 based on the location information acquired in the location information acquisition procedure S5. Based on the travel direction prediction procedure S100 for predicting the travel direction, the avoidance area information acquired in the area information acquisition procedure S15, and the map data, the provisional purpose along the travel direction predicted in the travel direction prediction procedure S100 Temporary destination setting procedure for setting the location S200 and the avoidance area acquired in the area information acquisition procedure S15 from the location related to the location information to the temporary destination set in the temporary destination setting procedure S200 Execute route determination procedure S35 to determine based on map data while avoiding DZ Prediction setting mode and avoidance area Planned avoidance planned route prepared in advance to avoid entry into DZ When the avoidance route setting procedure S55 is switched to the schedule setting mode, the display signal generation procedure S60 selects the route including the avoidance route corresponding to the location information. It is characterized by generating a display control
- the avoidance route setting procedure SIOO, S200, S35 is based on the location information acquired in the location information acquisition procedure S5.
- Direction of travel to predict the direction of travel of 1 Temporary purpose for setting a temporary destination along the direction of travel predicted in the direction of travel prediction procedure S100 based on the prediction procedure S100, the avoidance area information acquired in the area information acquisition procedure S15, and the map data Map data while avoiding the avoidance area DZ acquired in the area information acquisition procedure S15 and the route from the location related to the location setting procedure S200 and the temporary destination set in the temporary destination setting procedure S200 to the temporary destination set in the location information
- Select the prediction setting mode that executes the route determination procedure S35 for making a decision based on the plan setting mode that sets the planned avoidance route prepared in advance to avoid entering the avoidance zone DZ.
- the display signal generation procedure S60 is a display control signal for displaying the route including the avoidance route.
- FIG. 11 is a diagram for explaining an example of route guidance by the mobile terminal device 1 of the present modification.
- there is no route setting when the determination at step S20 in FIG. 5 is not satisfied
- there is no past traffic history the determination at step S210 in FIG. 7 is Not satisfied! /, If).
- step S20 in FIG. 5 the determination in step S20 in FIG. 5 is not satisfied, and the traveling direction prediction process in the next step S100 is performed.
- This traveling direction prediction process compares the current location of user M (point M in the figure) with the previous position (point Mo in the figure), and determines the traveling direction to be “north” (arrow in the figure). 53). Then, when the user M approaches the dangerous area DZ, the determination in step S25 in FIG. 5 is satisfied, a warning is issued in the next step S30, and a temporary destination determination process in step S200 is performed. That is, in step S230 in FIG.
- the road 54 on the north side of the danger zone DZ is selected as a road extending in a direction close to the determined traveling direction (here, “north”) of the user M.
- a temporary destination G is set at the intersection of this road 54 and another road 55 that can be reached from the current location.
- an avoidance route R4 from the current location to the temporary destination G is set while avoiding the danger zone DZ.
- the route is routed to the user M so as to avoid the danger zone DZ.
- the temporary destination when there is no past traffic history, the temporary destination is set at a point beyond the dangerous area on the road close to the traveling direction.
- the tip of the dangerous area is a dead end.
- this setting method is not preferable.
- This modification is an example of handling in the case where the end of the dangerous area is a dead end.
- FIG. 12 is a diagram for explaining an example of route guidance by the mobile terminal device 1 of the present modification.
- the example shown in this figure is when there is no route setting (when the determination at step S20 in FIG. 5 is not satisfied) and there is no past traffic history (when the determination at step S210 in FIG. 7 is not satisfied). .
- Fig. 12 the user M is moving northward on the road toward the danger zone DZ.
- the determination in step S20 in FIG. 5 is not satisfied, and the traveling direction prediction process in the next step S100 is performed.
- This traveling direction prediction process compares the current location of user M (point M in the figure) with the previous position (point Mo in the figure), and determines the traveling direction to be “north” (arrow in the figure). 56).
- the determination in step S25 in FIG. 5 is satisfied, a warning is issued in the next step S30, and a temporary destination determination process in step S200 is performed. That is, in step S230 in FIG.
- the road 57 is selected as a road extending in a direction close to the determined traveling direction (here, “north”) of the user M.
- the destination of the temporary destination G1 becomes the dangerous area DZ. Therefore, it is not preferable. Therefore, in this modified example, as shown in FIG. 12, the temporary destination G1 is moved to a point G2 (hereinafter referred to as the temporary destination G2) that can branch to a road other than the dangerous area DZ. Then, in step S35 in FIG.
- an avoidance route R5 that reaches the temporary destination G2 is set while avoiding the dangerous zone DZ in the current geological force, and the route R5 is passed to the user M in step S40 in FIG. Guidance is performed.
- what is displayed on the display unit 9 of the mobile terminal device 1 is the avoidance route R5 that finally reaches the temporary destination G2, and the process of moving the temporary destination is not displayed. .
- the temporary destination setting means S200 determines that the route determination by the route determination means S35 to the set temporary destination G1 is difficult or impossible.
- the set temporary destination G1 is corrected and reset, and the route determination means S35 determines that the route power to the reset temporary destination G2 is determined based on the map data while avoiding the avoidance area DZ.
- the temporary destination G2 can be reset and the route can be redrawn by the route determination means S35.
- the temporary destination when there is no past traffic history, the temporary destination is set at a point that exceeds the dangerous area on the road close to the traveling direction. However, the temporary destination cannot be set before the traveling direction. There is a case. This modification is an example of dealing with such a case.
- FIG. 13 is a diagram for explaining an example of route guidance by the mobile terminal device 1 of the present modification.
- the example shown in this figure is when there is no route setting (when the determination at step S20 in FIG. 5 is not satisfied) and there is no past traffic history (when the determination at step S210 in FIG. 7 is not satisfied). .
- the user M is moving northward on the road in a direction approaching the danger zone DZ.
- the entire dead end is the danger zone DZ.
- the same method as the above embodiment is used.
- the current location of user M (point M in the figure) is compared with the previous position (point Mo in the figure), and the traveling direction is determined to be "north" (see figure). (See middle arrow 58).
- the direction of travel is determined “east” according to the above priority.
- the road 59 is selected as a road extending in the direction close to the east direction, and a temporary destination G is set at a point on the road 59 that exceeds the danger zone DZ.
- the avoidance route R6 to reach the temporary destination G is set while avoiding the dangerous area DZ with the current geopower.
- the user M is guided to avoid the danger zone DZ by passing the route R6.
- the definition of east, west, south, and north as the above traveling direction is, for example, as shown in FIG. .
- the north range may be 45 degrees or more east of true north and less than 45 degrees west of true north, and the same may be applied to other directions.
- the definition of the direction is not limited to this, and the setting can be changed by the user as appropriate.
- the route guidance device 1 in this modification it is difficult or impossible to set the temporary destination G along the traveling direction predicted by the traveling direction predicting unit S100 by the temporary destination setting unit S200.
- a quasi-direction setting means (control unit in this example) 7 for setting the direction according to the traveling direction predicted by the traveling direction prediction means S100 based on a predetermined correlation (priority in this example).
- the setting means S200 resets the temporary destination G along the direction according to the traveling direction set by the quasi-direction setting means 7, and the route determination means S35 transfers from the location to the reset temporary destination G.
- the route is determined based on map data while avoiding the avoidance zone DZ.
- the avoidance area DZ is spread over the entire wide area in the traveling direction, etc.
- the direction corresponding to the direction of travel is set by the quasi-direction setting means 7, and the temporary destination setting means S 200 is set accordingly.
- the temporary destination G can be set with, and the route can be redrawn by the route determination means S35.
- the present invention is applied to a portable terminal device that provides route guidance for pedestrians.
- the present invention is not limited to this.
- the present invention is applied to a navigation device mounted on a vehicle such as an automobile.
- route guidance is performed outdoors where map information can be acquired.
- the present invention is not limited to this.
- route guidance in an exhibition hall or a commercial facility is performed.
- the present invention may be applied to a route guidance device that performs route guidance in a limited area.
- the location information of the user is not limited to being acquired using GPS as in the above-described embodiment.
- a magnetic sensor or wireless position information acquisition means is installed in the area, and V, In such a case, the location information of the user may be obtained using the location information obtained by the location information obtaining means.
- the mobile terminal device 1 in the above embodiment is the mobile terminal device 1 for guiding the route of the moving user M, and control for acquiring the dangerous area information associated with the map data.
- Unit 7 (specifically, step S15 executed by the control unit 7) and the control unit 7 for acquiring the location information of the user M or the mobile terminal device 1 (specifically, the step executed by the control unit 7) S5) and the location information acquired by the control unit 7 and the predicted result of the traveling direction of the user M or the mobile terminal device 1 while avoiding the intrusion into the dangerous area DZ acquired by the control unit 7.
- the control unit 7 for setting the route to the temporary destination G (specifically, step S100, step S200 and step S35 executed by the control unit 7) and the temporary destination G set by the control unit 7
- Control section 7 for generating the display control signal for displaying the route ( In detail, it has step S40) which the control part 7 performs.
- the location information is acquired by the control unit 7.
- the dangerous area information to be avoided in the moving operation is acquired by the control unit 7 in a form associated with the map data.
- the route to the temporary destination G is set by the control unit 7 while avoiding the intrusion into the danger zone DZ.
- the display control signal for the route to the temporary destination G is generated by the control unit 7, the route can be displayed on the display unit 9.
- the control unit 7 sets a route to the temporary destination G based on the location information and the traveling direction prediction result of the user M (or the mobile terminal device 1).
- the current geological force temporary destination G can be used to avoid the dangerous area DZ while reflecting the prediction result in the traveling direction. It is possible to set the route to Therefore, for example, when the path power normally used is mistakenly mistaken for the road (In such a coincidence, the corresponding planned route to avoid is determined! However, it is possible to carry out safe and reliable route guidance while avoiding the danger zone DZ (especially effective for children and elderly people). It is also particularly effective when the danger zone DZ changes day by day or from moment to moment (because it is difficult to determine the route to avoid). Furthermore, since it is not necessary to set a route to be avoided in advance, there is an effect that the operation burden on the user M can be reduced.
- the route guidance method by the mobile terminal device 1 in the present embodiment is a route guidance method for guiding the route of the moving user M, and obtains dangerous area information associated with the map data.
- the location information is acquired by the procedure of step S 5 executed by the control unit 7.
- the dangerous area information to be avoided in the moving operation is acquired in the procedure of step S15 executed by the control unit 7 in a form associated with the map data.
- the route to the temporary destination G is set in the steps S100, S200 and S35 executed by the control unit 7 while avoiding the intrusion into the dangerous area DZ.
- the display control signal is sent to the control unit 7
- the route can be displayed on the display unit 9 by being generated by the procedure of S40.
- the temporary purpose is determined based on the location information and the traveling direction prediction result of the user M (or the mobile terminal device 1).
- FIG. 1 is a schematic configuration diagram showing a schematic configuration of a route guidance system including a mobile terminal device according to an embodiment of the present invention.
- FIG. 2 is a diagram showing an example of a user-specific dangerous area and its judgment condition.
- FIG. 3 is an external view showing the overall structure of a mobile terminal device according to an embodiment of the present invention.
- FIG. 5 is a flowchart showing a route guidance control procedure executed by the control unit shown in FIG.
- FIG. 6 is a flowchart showing a detailed procedure of step S100 shown in FIG.
- FIG. 7 is a flowchart showing a detailed procedure of step S200 shown in FIG.
- FIG. 8 is a diagram for explaining an example of route guidance by the mobile terminal device when there is a route setting.
- FIG. 9 By the mobile terminal device when there is no route setting and there is a past traffic history It is a figure for demonstrating an example of route guidance.
- FIG. 10 is a diagram for explaining an example of route guidance by the mobile terminal device when there is no route setting and there is no past traffic history.
- FIG. 11 is a diagram for explaining an example of route guidance by the mobile terminal device in a modified example when the end point of the dangerous area and the temporary destination do not match.
- FIG. 12 is a diagram for explaining an example of a route plan by a mobile terminal device in a modified example when the previous road is a dead-end road.
- FIG. 13 is a diagram for explaining an example of route guidance by the mobile terminal device in a modification in the case where a temporary destination cannot be set ahead of the traveling direction.
- FIG. 14 is a diagram for explaining the definition of the traveling direction in a modified example when a temporary destination cannot be set before the traveling direction.
- Control unit region information acquisition means, location information acquisition means, avoidance route setting means, display signal generation means, travel direction prediction means, temporary destination setting means, route determination means, comparison means, control direction determination means, determination means , Neighborhood destination determination means, calculation means, quasi-direction setting means
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2008508486A JP4375756B2 (ja) | 2006-03-30 | 2007-03-14 | 経路案内装置、経路案内方法、経路案内処理プログラム |
US12/295,455 US20090248292A1 (en) | 2006-03-30 | 2007-03-14 | Route guidance device, route guidance method, and route guidance processing program |
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JP2006-093122 | 2006-03-30 | ||
JP2006093122 | 2006-03-30 |
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WO (1) | WO2007114015A1 (ja) |
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JPWO2007114015A1 (ja) | 2009-08-13 |
JP4375756B2 (ja) | 2009-12-02 |
US20090248292A1 (en) | 2009-10-01 |
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