JP2008020382A - Navigation server, navigation device, navigation program, method for constructing navigation device, server and navigation system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a navigation system or the like capable of guiding a mobile device to a destination along a more appropriate route from the viewpoint of energy saving. <P>SOLUTION: In accordance with a navigation system of the present invention, in a navigation server 100, an ecological index ECO<SB>j</SB>which is updated with the latest operating information in link L<SB>j</SB>through which a second mobile device Q<SB>2</SB>passes is retrieved from a first database 101. A second database 102 is also constructed based on the eco-index ECO<SB>j</SB>. Moreover, an eco-index ECO<SB>k</SB>in a respective link L<SB>k</SB>is recognized from the second database 102 based on identification information T of an automobile Q. Then, optimum recommended route is set based on the eco-index ECO<SB>k</SB>in the light of energy economy, and output on a navigation display of a navigation system 200. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a navigation server that manages information for guiding a mobile device in cooperation with a navigation device mounted on the mobile device, the navigation device, a navigation program that gives an additional function to the navigation device, and the navigation The present invention relates to a method for constructing a device, a server that implements the method, and a navigation system that includes the navigation server and the navigation device.

  As the public awareness of global environmental conservation and effective use of energy resources grows, improving the fuel efficiency of automobiles has become an important issue.

  Therefore, conventionally, the eco-index of the vehicle is stored in the database in correspondence with each point or route of the map information, the eco-index of the point or route designated by the user is searched from the database, and the searched eco-index is searched. Has been proposed (see Patent Document 1, for example).

In addition, the information center searches for a route that is predicted to improve the fuel efficiency of the vehicle most in light of the fuel consumption data registered in the database, and the navigation device mounted on the vehicle receives the search result from the information center and displays it. The technique which performs is proposed (for example, refer patent document 2).
Japanese Patent Laid-Open No. 2002-350152 Paragraphs 0077 to 0079 JP 2005-163584 A paragraphs 0072 to 0075

  However, even if the identification information of the vehicle is the same and the road is the same, the fuel consumption varies depending on the operation state of the vehicle such as the acceleration and deceleration patterns of the vehicle. For this reason, even if a route is searched or set without considering the driving state of each vehicle, the route may actually be inappropriate from the viewpoint of driving a vehicle with high fuel efficiency.

  Therefore, the present invention provides a navigation server, a navigation device, and a navigation device that can contribute to guiding the mobile device along a more appropriate route from the viewpoint of energy economy of the mobile device such as an automobile to the target position. It is an object of the present invention to provide a navigation program that provides a function, a method for constructing the navigation device, a server that implements the method, and a navigation system that includes the navigation server and the navigation device.

  A navigation server according to a first invention for solving the above problem is a navigation server that manages information for guiding a mobile device in cooperation with a navigation device mounted on the mobile device, and is a second mobile device. The second mobile device through the communication and the operation information of the second mobile device in the link, and based on the link and the operation information, the first correlation (identification information of the mobile device, The energy index for each identification information in the link is further recognized, and the link and the energy index for each identification information in the link are Based on the second correlation (meaning the correlation between the identification information of the mobile device, the link and the energy index in the link). Recognizing the identification information of the mobile device through communication with the first external processing unit and the mobile device, recognizing the energy index in the link according to the second correlation based on the identification information of the mobile device, And the 2nd external processing part which transmits the energy information in the said link or the traffic information according to the said energy index to the navigation apparatus mounted in the said mobile device is provided, It is characterized by the above-mentioned.

  According to the navigation server of the first invention, the “external link” passed by the second mobile device by the first external processing unit through communication with the second mobile device, and the “operation information of the second mobile device in the link” ". Communication with a mobile device means communication with a communication device mounted on the mobile device or a device having a communication function. “Link” means a road element connecting two arbitrary points on the road, such as an intersection or a branch point. The “operation information” in the link includes at least the moving speed and acceleration of the mobile device in the link, their time pattern, the operation information of the equipment installed in the mobile device, etc. Anything that can vary depending on the time) and the type of road (highway, general road, uphill, downhill, etc.) can be included. A component of the present invention “recognizes” information means that the component receives information, retrieves or reads information from a database or memory, and calculates information by arithmetic processing based on received basic information. To prepare the information for other information processing, such as estimating, measuring, setting, determining, decoding the packet to reveal the information, and storing the calculated information in the memory, etc. It means to execute all information processing.

  The first external processing unit recognizes the energy index for each identification information in the link based on the recognized link and the operation information according to the first correlation. The “first correlation” means a correlation between “identification information”, “operation information” and “energy index” of the mobile device. The “identification information” is information for identifying a difference in the type or standard of the mobile device that affects the energy index of the mobile device. Accordingly, the latest operation information of the second automobile that has passed through each link is reflected, and the latest energy index in each link can be evaluated or recognized.

  Further, the first external processing unit sets the second correlation based on the recognized “link” and the “energy index” for each identification information. The “second correlation” means a correlation between “identification information” “link” of the mobile device and “energy index” in the link. As described above, since the latest operation information of the mobile device in each link can be reflected in the energy index in each link, the latest operation information of the mobile device in the link can also be reflected in the second correlation. The setting of the second correlation specifically means that a database, an algorithm, or the like that can search or specify one remaining element from two elements among the three elements is constructed.

  Subsequently, the second external processing unit recognizes the identification information of the mobile device through communication with the mobile device, and recognizes the “energy index” in the link according to the second correlation based on the identification information of the mobile device. To do. In addition, the second external processing unit transmits the energy index in the link or traffic information corresponding to the energy index to the navigation device mounted on the mobile device. As described above, since the latest correlation of the second mobile device in each link (including the past according to the predicted time until the mobile device reaches each link) can be reflected in the second correlation. The energy index in each link or traffic information corresponding thereto can be appropriately evaluated or recognized in view of the latest traffic information reflected in the latest operation information of the mobile device.

  As described above, the energy index in each link is appropriately evaluated in view of the latest operation information of the mobile device (second mobile device) in each link. Accordingly, from the viewpoint of the energy economy of the mobile device, traffic information such as an appropriate recommended route for guiding the mobile device to the target position can be output to the navigation device. Thus, by following the recommended route displayed on the navigation display to the driver of the mobile device, the latest operation information obtained from the second mobile device, as well as the latest traffic situation, etc. From the viewpoint of energy economy that reflects the past traffic situation according to the estimated time until the vehicle arrives, the mobile device can be appropriately moved to the target position.

  The navigation server of the second invention is the navigation server of the first invention, wherein the second external processing unit guides the mobile device from its initial or current position to a target position by communication with the mobile device. Further recognizing a plurality of links constituting a plurality of recommended route candidates or a plurality of links included in an area including at least a part of the recommended route candidates, and based on the identification information of the mobile device and the plurality of links, The energy index in each of the plurality of links is recognized according to the second correlation.

  According to the navigation server of the second invention, the links for recognizing the energy index are narrowed down. That is, a plurality of links in which the energy index is recognized constitute a plurality of “recommended route candidates” that connect the initial or current position of the mobile device and the target position, or are included in an area that includes a part of the recommended route. Narrow down to links. This makes it possible to efficiently use information processing resources required for energy index evaluation, transmission and reception, search for recommended route candidates based on the energy index, and the like. The second external processing unit may set a plurality of recommended route candidates that connect the current position and the target position after recognizing the current position and the target position of the mobile device through communication with the mobile device. The second external processing unit may recognize a plurality of recommended route candidates set in the navigation device through communication with the mobile device.

  Further, the navigation server of the third invention is the navigation server of the second invention, wherein the plurality of recommended route candidates are based on an energy index in each link recognized by the second external processing unit according to the second correlation. Each comprehensive energy index is evaluated, the recommended route candidate having the highest comprehensive evaluation is recognized as a recommended route, and the recommended route is transmitted to the navigation device as the traffic information.

  According to the navigation server of the third invention, as described above, the actual operation information of other mobile devices in each link is reflected, so that the energy index in each link is appropriately evaluated. Then, based on the evaluated energy index, an optimal route can be output as a recommended route from the navigation device mounted on the mobile device in view of the overall energy index in the route to the target position. This allows the driver of the mobile device to follow the recommended route displayed on the navigation display to reflect the latest operating information obtained from the second mobile device, and thus the latest traffic situation, etc. Thus, the moving device can be appropriately moved to the target position.

  In the navigation server of the fourth invention, in the navigation server of the first invention, the first external processing unit obtains the environment of the area from an environmental information source, and identifies the environment of the area and the second mobile device. Based on the information and the operation information of the second mobile device in each link included in the area, the extended first correlation (the identification information of the mobile device, the operation information and environment in each link, and the energy index) The energy index in each link is recognized according to the following relationship).

  According to the navigation server of the fourth invention, in addition to the latest operation information of the moving device (second moving device) in the link, the energy index can be appropriately evaluated in view of the latest environment in the area including the link. . The “environment” in the area may include road dryness, weather, temperature, humidity, wind strength and direction, and the like.

  Further, the navigation server of the fifth invention is the navigation server of the first invention, wherein the first external processing unit passes the identification information of the first mobile device through the communication with the first mobile device, and the first mobile device passes. And the operation information and energy index of the first mobile device in the link are recognized, and the first correlation is set based on the identification information, link, operation information and energy index.

  According to the navigation server of the fifth invention, the “identification information” of the mobile device (first mobile device), the “link” that the mobile device has passed, and the actual “operation information” and “energy” of the mobile device at the link The first correlation may be set reflecting the “index”. Thereby, the energy index in the passing link of any vehicle can be appropriately evaluated or recognized according to the first correlation according to the actual operation information of the vehicle. The setting of the first correlation means that, specifically, a database, an algorithm, or the like that can search or specify the remaining one element from the two elements among the three elements is constructed.

  Further, the navigation server of the sixth invention is the navigation server of the fifth invention, wherein the first mobile device is equipped with a controller that controls the operation of the device to be controlled according to the energy index of the first mobile device, The first external processing unit recognizes an operation history of the device to be controlled in each link as an energy index of the first mobile device through communication with the first mobile device.

  According to the navigation server of the sixth aspect of the invention, the operation history of the control target device mounted on the first mobile device in the link through which the first mobile device passes is recognized as the energy index of the first mobile device in the link. Is done. The device to be controlled is controlled based on the energy index of the first mobile device evaluated by the controller mounted on the first mobile device. For this reason, the first correlation can be appropriately set in a form that reflects the actual operation of the control target device mounted on the first mobile device, and hence the energy index.

  Further, the navigation server of the seventh invention is the navigation server of the sixth invention, wherein an indicator or a lamp is displayed on the first mobile device for indicating that the energy index of the first mobile device is high as the control target device. The first external processing unit recognizes the display rate of the control indicator or the lamp in each link as an energy index of the first mobile device through communication with the first mobile device.

  According to the navigation server of the seventh invention, the display rate of the indicator or lamp mounted on the first mobile device in the link through which the first mobile device passes is recognized as the energy index of the first mobile device on the link. Is done. The indicator or lamp is controlled based on the energy index of the first mobile device, which is also evaluated by a controller mounted on the first mobile device. For this reason, the first correlation can be appropriately set in a form that reflects the actual operation of the control target device mounted on the first mobile device, and hence the energy index.

  A navigation device according to an eighth aspect of the present invention for solving the above-mentioned problem is a navigation device that is mounted on a mobile device and has a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display. And recognizing the initial or current position and the target position of the mobile device, recognizing the energy index in each link by communication with the navigation server according to claim 1, and based on the energy index in each link, Among the plurality of recommended route candidates connecting the initial or current position and the target position, an internal processing unit for setting a recommended route candidate having the highest overall evaluation of the energy index as the recommended route is provided.

  According to the navigation device of the eighth invention, the energy index appropriately recognized or evaluated in view of the actual operation information of the mobile device at each of the plurality of links as described above, in cooperation with the navigation server of the first invention. Based on the above, an optimal recommended route can be set and output in view of an overall energy index in a plurality of links connected from the initial or current position to the target position.

  The navigation device according to a ninth aspect is the navigation device according to the eighth aspect, wherein the internal processing unit communicates with the navigation server according to claim 2 to the second external processing unit by the plurality of recommended route candidates. Alternatively, each link constituting the plurality of recommended route candidates is recognized, and an energy index in each link recognized by the second external processing unit is recognized by communication with the navigation server.

  According to the navigation device of the ninth aspect of the invention, in order to appropriately guide the mobile device from the initial or current position to the target position from the viewpoint of energy economy, the links that need to recognize the energy index are narrowed down. Thereby, it is possible to save information processing resources required for energy index recognition processing and communication resources such as the energy index in the navigation server of the second invention. Then, by cooperation with the navigation server of the second invention, based on the energy index appropriately recognized or evaluated in view of the actual operation information of the mobile device in each of the plurality of links as described above, from the initial or current position An optimal recommended route can be set and output in view of an overall energy index in a plurality of links leading to a target position.

  A navigation device according to a tenth aspect of the present invention for solving the above-mentioned problem is mounted on a mobile device and has a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display. In addition, an internal processing unit for recognizing the recommended route set by the second external processing unit through communication with the navigation server of the third invention is provided.

  According to the navigation device of the tenth invention, the energy index appropriately recognized or evaluated in view of the actual operation information of the mobile device in each of the plurality of links as described above, in cooperation with the navigation server of the third invention. Based on the above, an optimum recommended route can be output in view of an overall energy index in a plurality of links connected from the initial or current position to the target position.

  A navigation program according to an eleventh aspect of the present invention for solving the above-described problem is a navigation device that is mounted on a mobile device and has a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display. A navigation program that gives further functions to the mobile device, recognizing the initial or current position and the target position of the mobile device, recognizing the energy index in each link through communication with the navigation server of the first invention, Based on the energy index at the link, an internal processing function for setting the recommended route candidate having the highest overall evaluation of the energy index as the recommended route among the plurality of recommended route candidates connecting the initial or current position and the target position is the navigation. It is given to an apparatus.

  According to the navigation program of the eleventh aspect of the invention, a function for setting and outputting an optimum recommended route that can guide the mobile device to its target position from the viewpoint of energy economy of the mobile device in cooperation with the navigation server of the first invention. Can be given to the navigation device mounted on the mobile device.

  Further, the navigation program of the twelfth aspect of the invention is the navigation program of the eleventh aspect of the invention, in which the plurality of recommended route candidates are transferred to the second external processing unit as the internal processing function by communication with the navigation server of the second aspect. Alternatively, the navigation device has a function of recognizing each link constituting the plurality of recommended route candidates and recognizing an energy index in each link recognized by the second external processing unit through communication with the navigation server. It is characterized by giving.

  According to the navigation program of the twelfth aspect of the invention, the mobile device can be operated from the viewpoint of energy economy while saving information processing resources required for energy index recognition processing and communication resources such as the energy index in the navigation server of the second aspect of the invention. The navigation device is provided with a function of narrowing down links that require recognition of the energy index in order to appropriately guide to the target position. Further, in cooperation with the navigation server of the second invention, from the viewpoint of energy economy of the mobile device, the mobile device has a function for setting and outputting an optimum recommended route that can guide the mobile device to its target position. Can be given to a navigation device.

  A navigation program according to a thirteenth aspect of the present invention for solving the above-mentioned problem is mounted on a mobile device and has a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display. A navigation program that gives a further function to the navigation device by providing an internal processing function for recognizing the recommended route set by the second external processing unit through communication with the navigation server of the third invention It is characterized by doing.

  According to the navigation program of the thirteenth aspect of the invention, the function of outputting the optimum recommended route that can guide the mobile device to its target position from the viewpoint of energy economy of the mobile device by the cooperation with the navigation server of the third invention It can be given to a navigation device mounted on the device.

  A navigation apparatus construction method according to a fourteenth aspect of the present invention for solving the above-mentioned problems is a part of the navigation program according to the eleventh, twelfth or thirteenth aspect of the invention in order to construct the navigation apparatus of the eighth, ninth or tenth aspect. Alternatively, all the information is transmitted to the navigation device.

  According to the method of the fourteenth invention, an optimum recommended route that can guide the mobile device to its target position from the viewpoint of the energy economy of the mobile device in cooperation with the navigation server of the first, second or third invention. A navigation device that can be set and output or output can be constructed at any timing.

  A server according to a fifteenth aspect of the present invention for solving the above-described problems is characterized by performing the method of the fourteenth aspect.

  According to the server of the fifteenth aspect of the present invention, in cooperation with the navigation server of the first, second or third aspect of the invention, an optimum recommended route that can guide the mobile apparatus to its target position from the viewpoint of energy economy of the mobile apparatus. The navigation program of the eleventh, twelfth, or thirteenth invention can be downloaded to the navigation device so that the navigation device to be set and output or output can be constructed at an arbitrary timing.

  A navigation system according to a sixteenth aspect of the present invention for solving the above problems is the navigation server according to the first aspect and the navigation apparatus according to the eighth aspect, the navigation server according to the second aspect and the navigation apparatus according to the ninth aspect, or the navigation server according to the third aspect. And a navigation device according to the tenth aspect of the present invention.

  According to the navigation system of the sixteenth aspect of the invention, the navigation server of the first, second or third aspect of the invention and the navigation apparatus of the eighth, ninth or tenth aspect of the invention are more suitable from the viewpoint of energy economy of the mobile device. The moving device can be guided to the target position.

  Embodiments of a navigation server, navigation device, navigation program, navigation device construction method, server, and navigation system according to the present invention will be described with reference to the drawings.

  FIG. 1 is a configuration explanatory diagram of the navigation system of the present invention, and FIGS. 2 to 5 are functional explanatory diagrams of the navigation system of the present invention.

  The configuration of the navigation system of the present invention will be described with reference to FIG.

  The navigation system shown in FIG. 1 includes a navigation server 100 and a navigation device 200 mounted on an automobile (mobile device) Q.

  The navigation server 100 is configured by one or a plurality of server computers (configured by CPU, ROM, RAM, I / O, etc.). The navigation server 100 includes a first database 101, a second database 102, a first external processing unit 110, and a second external processing unit 120.

  The first database 101 stores or stores information (specifically, data representing the information) according to the “first correlation”. The “first correlation” means a correlation between “identification information”, “operation information”, and “energy index” of the automobile Q.

  The second database 102 stores or saves information according to the “second correlation”. The “second correlation” means a correlation between “identification information” “link” of the automobile 20 and “energy index” in the link.

The first external processing unit 110 "identification information" of the first car Q ₁ through communication with the first vehicle (the first mobile device) Q _1, the first car Q ₁ is passed through the "link (specifically It recognizes "operation information" and "energy index" the first car Q ₁ in the link ID) "and each link. Further, the first external processing unit 110 constructs or sets the first correlation, and thus the first database 101, based on the recognized “identification information”, “link”, “operation information”, and “energy index”.

Furthermore, the first external processing unit 110 transmits the “link” through which the second automobile Q ₂ has passed through communication with the second automobile (second mobile device) Q _2, and the “link” of the second automobile Q _{2 in} the link. "Operation information". The first external processing unit 110 further recognizes the energy index for each piece of identification information in the link from the first database 101 based on the link and the operation information. Then, the first external processing unit 110 constructs or sets the second correlation, and hence the second database 102, based on the link and the energy index for each identification information in the link.

  The second external processing unit 120 recognizes a plurality of “recommended route candidates” connecting the current position (or initial position) of the vehicle Q and the target position through communication with the vehicle Q, and includes a part of the recommended route candidates. Recognize a plurality of “links” included in an area (eg, a mesh defined on a map). In addition, the second external processing unit 120 recognizes the identification information of the automobile Q through communication with the automobile Q, and searches or recognizes the link and the “energy index” in the link from the second database 102 based on the identification information. To do. Further, the second external processing unit 120 transmits the link and the energy index (specifically, data specifying the content) to the navigation device 200 mounted on the vehicle Q.

  The navigation device 200 is stored in a memory and an ECU or computer (configured by CPU, ROM, RAM, I / O, etc.) as hardware mounted on the automobile Q, and gives various functions to the computer. It is comprised by the "navigation program" of this invention as software. The navigation program may be stored in the memory (ROM) of the in-vehicle computer from the beginning. However, a part or all of the program may be stored in a server (not shown) at an arbitrary timing such as when a request is received from the in-vehicle computer. ) May be downloaded to the in-vehicle computer via a network or satellite broadcast and stored in the memory (RAM) or the like.

  The navigation device 200 includes a navigation display 202 and an internal processing unit 220.

  The internal processing unit 220 recognizes the energy index in each link through communication with the navigation server 100, and based on the energy index in each link, out of a plurality of recommended route candidates connecting the current position and the target position of the vehicle Q, the energy The recommended route candidate with the highest overall evaluation of the index is set as the recommended route. The internal processing unit 220 displays the recommended route superimposed on the map on the navigation display 202.

The automobile Q includes a controller 242 configured by an ECU or the like. The controller 242 first automobile to Q ₁ fuel (= (fuel consumption) / (travel distance)) it is determined whether it exceeds the reference value, if it is determined that the fuel consumption exceeds the reference value Turns on the eco lamp 244. The eco lamp 244 allows the driver to perform driving that achieves or maintains high fuel efficiency by allowing the driver to realize that the driving or movement of the first automobile Q ₁ is realized with high fuel efficiency. Can be urged.

In addition to displaying the recommended recommended route in consideration of the energy index in each link in cooperation with the navigation server 100 as described above, the vehicle Q is also referred to as “identification information” and “passage” as the first vehicle Q _1. The navigation server 100 recognizes the “link” and “operation information” and “energy index” in each link, and the navigation server 100 recognizes the “passing link” and the “operation information” in each link as the second automobile Q _2. It is also possible to let them.

  The functions of the navigation system configured as described above will be described with reference to FIGS.

  First, the “first external processing” is executed by the first external processing unit 110 (FIG. 2 / S110).

The first external processing unit 110 by communicating with the first car Q ₁ (see FIG. 2 / arrow A1), the first identification information T of the car Q _1, the link L _i and the first car Q ₁ is passed The operation information OP _i such as the speed of the first automobile Q _{1 on} the link L _i and the eco index (energy index) ECO _i are recognized as “first information” (S111 in FIG. 2). It is sufficient that the identification information T is recognized once for each individual first car Q ₁ , but the set of links L _i , operation information OP _i and eco-index ECO _i is recognized by the number of links through which the first car Q ₁ has passed. The

The identification information T of the first automobile Q ₁ is read from the memory by the controller 242. As the identification information T, for example, a serial number that can identify the vehicle type and standard is adopted.

The link L _i through which the first automobile Q ₁ has passed is based on the position of the first automobile Q ₁ sequentially measured by the GPS function of the navigation device 200 and the map information stored in the memory of the navigation device 200. It is specified by the navigation device 200.

Operation information OP _i of the first car Q ₁ in the link L _i are those measured by the controller 242 based on the output from such a variety of vehicle speed sensor (not shown). The operation information OP _i includes the speed of the first automobile Q ₁ (engine speed), acceleration or deceleration, output, and these time patterns, as well as traffic conditions (degree of congestion, required travel time) and road type. Any state quantity of the first automobile Q ₁ that can vary depending on (highway, general road, uphill, downhill, etc.) can be included.

Eco index ECO _i in the link L _i of the first car Q ₁ is passed are those measured by the controller 242 as the lighting rate of the eco lamp 244 (display ratio) in the link L _i. As described above, the eco lamp 244 is lit when the controller 242 determines that the fuel efficiency of the first automobile Q ₁ exceeds the reference value, so the time during which the first automobile Q ₁ is traveling with high fuel efficiency. The higher the is, the higher the lighting rate is, and the larger the eco index ECO _i is.

The first information stored in the first external processing unit 110 is the recognized _{(T, L i, OP i} , ECO i) first to build a database 101 on the basis of (Fig. 2 / S112). To construct the first database 101 is to construct the first function f ₁ represented by the following equation (1) for deriving the eco index ECO _i from the identification information T, the link L _i and the operation information OP _i. Is equivalent to

ECO _i ≡f ₁ (T, L _i , OP _i ) (1)

For example, when primary information (T, L _i , OP _ik , ECO _ik ) is recognized by the first external processing unit 110, operation information when the automobile Q having the identification information T is moving on the link L _i. Is OP _ik (or avg (OP _ik ) (average value of OP _ik (k = 1 to N))), the eco-index ECO (L _i ) of the vehicle Q at the link L _i is ECO _ik (or The first database 101 is constructed so as to be recognized or calculated as avg (ECO _ik )).

Further, when the first external processing unit 110 communicates with the second automobile Q ₂ (see FIG. 2 / arrow A2), the link L _j through which the second automobile Q ₂ passes, and the second automobile Q at the link. _{The second} operation information OP _j is recognized as “second information” (FIG. 2 / S113). Further, the first external processing unit 110 searches or recognizes the eco index ECO _j (T) for each identification information T corresponding to the L _j from the first database 101 based on the second information (L _j , OP _j ). (FIG. 2 / S114). The recognized eco index ECO _j (T) is expressed by the following equation (2) using the first function f ₁ .

ECO _j (T) = f ₁ (T, L _j , OP _j ) (2)

Then, the first external processing unit 110 constructs the second database 102 based on the link L _j and the energy index ECO _j (T) for each identification information T in the link L _j (FIG. 2 / S115). . Constructing the second database 102 is equivalent to constructing the second function f ₂ represented by the following expression (3) for deriving the eco-index ECO _i at an arbitrary link L _i from the identification information T. It is.

ECO _i ≡f ₂ (T, L _i ) (3)

  Subsequently, the navigation device 200 mounted on the automobile Q is operated by the user, and the “eco route search mode” for searching for an appropriate route from the viewpoint of high fuel efficiency traveling is selected (FIG. 3 / S200). “Internal processing” is executed by the internal processing unit 220 in response to the selection of the eco-route search mode (S220 in FIG. 3).

  First, the internal processing unit 220 recognizes the current positions PP and TP of the automobile Q (FIG. 3 / S221). The current position of the automobile Q is measured by the GPS function of the navigation device 200, analysis of the output signal of the gyro sensor, or the like. The target position of the automobile Q is recognized based on the operation of the user or the voice of the user by the button of the navigation device 200.

  Similarly, when the eco route search mode is selected by communication with the vehicle Q (see arrow A3 in FIG. 3), the second external processing unit 120 performs “second external processing”. It is executed (FIG. 3 / S120).

  The second external processing unit 120 recognizes the identification information T of the automobile Q, the current position PP, and the target position TP by communication with the automobile Q (see arrow A4 in FIG. 3) (S121 in FIG. 3). Thereby, for example, the current position PP and the target position TP in the positional relationship as shown in FIG. 4 are recognized.

  The second external processing unit 120 sets a plurality of recommended route candidates that connect the current position PP and the target position TP. Thus, for example, as shown in FIG. 4, two recommended route candidates R11 and R12 connecting the current position PP and the target position TP of the automobile Q are set.

Further, the second external processing unit 120 extracts or recognizes a plurality of links L _k included in an area including a part of the recommended route candidates from the map information stored in the memory (FIG. 3 / S123). As a result, for example, among the plurality of rectangular meshes (areas) shown in FIG. 4, all links included in the hatched mesh that includes a part of the recommended route candidate R11 or R12 are recognized. Is done.

Further, the second external processing unit 120 determines each of the plurality of links L _k from the second database 102 based on the recognized identification information T (see FIG. 3 / S121) and the link L _k (FIG. 3 / S123) of the automobile Q. The eco-index ECO _k is retrieved or recognized (FIG. 3 / S124). For example, based on the identification information τ and the link L _k , the eco-index for the link can be recognized according to the following equation (4) according to the second function f ₂ .

ECO _k = f ₂ (τ, L _k ) (4)

Further, the second external processing unit 120 transmits the link L _k and the eco index ECO _k to the navigation device 200 mounted on the vehicle Q (FIG. 3 / arrow A5).

The internal processing unit 220 receives or recognizes the energy index ECO _k in the link L _k by communication with the navigation server 100 (S222 in FIG. 3). Thereby, for example, the eco index ECO _{k in} each of the plurality of links L _k included in the area surrounded by the broken line in FIG. 5 (the same as the hatched area in FIG. 4) is recognized.

  Further, the internal processing unit 220 sets a plurality of recommended route candidates that connect the current position PP and the target position TP recognized in advance (FIG. 3 / S223). Thus, for example, as shown in FIG. 5, three recommended route candidates R21 to R23 connecting the current position PP and the target position TP of the automobile Q are set. The recommended route candidates R21 and R22 set by the internal processing unit 220 are the same as the recommended route candidates R11 and R12 set by the second external processing unit 120, respectively. On the other hand, the recommended route candidate R23 set by the internal processing unit 220 is different from the recommended route candidate set by the second external processing unit 120.

Further, internal processor 220 among the plurality of recommended route candidates, based on the eco-index ECO _k in each link L _k, the sum of the eco-index ECO _k (comprehensive evaluation) sigma _k recommended route candidates ECO _k is the highest Is set as a “recommended route” (FIG. 3 / S224). Then, the internal processing unit 220 superimposes the recommended route on a map stored in the memory, and outputs or displays the recommended route on the navigation display 202 as traffic information (FIG. 3 / S225). Thus, for example, when the eco-index sum Σ _k ECO _k in the route R22 is the highest among the three recommended route candidates R21 to R23 shown in FIG. 5, the route R22 is superimposed on the map and displayed in the navigation display. 202.

According to the navigation system that exhibits the above function, first, the first information (T (identification information), L _i (link), OP _i (operation information), ECO _i (eco index)) of the first automobile Q ₁ is obtained. Reflected, the first database 101 is constructed (FIG. 2 / S111 to S112). Accordingly, the eco-index ECO _j can be appropriately evaluated or recognized according to the operation information OP _j in the link L _j through which the arbitrary automobile Q has passed.

The second second information of the car Q ₂ based on (L _j (links), OP _j (operation information)), Eco index ECO _j is retrieved or recognition in each link L _j from the first database 101 (FIG. 2 / S113 to S114). As a result, the latest operation information of the second automobile Q ₂ passing through each link L _j is reflected, and the latest eco-index ECO _j in each link L _j can be recognized.

Further, a second database is constructed based on the eco-index ECO _j for each link L _j and identification information T (FIG. 2 / S115). Wherein the Eco index ECO _j for each link L _j as, since the latest operation information OP _j of the second car Q ₂ in the respective links L _j can be reflected, each in the second database 102 links L _j The actual operation information OP _j of the second automobile Q ₂ at can be reflected.

Further, the identification information T of the motor vehicle Q, based on the link L _k that has been identified, the Eco index ECO _k in the link L _k is evaluated or recognized from the second database 102 (FIG. 3 / S121~S124). Since the latest operation information OP _j automotive Q (second car Q ₂₎ in each link L _j in the second database 102 as described above can be reflected, Eco index ECO _k in each link L _k is the automotive Q It can be appropriately evaluated or recognized in view of the traffic situation, etc. reflected in the latest operation information OP _k.

Here, the link L _k for which the eco index ECO _k is recognized is narrowed down to a link within a range necessary for guiding the automobile Q from its current position PP to the target position TP. That is, the links L _k for which the eco-index ECO _k is recognized are narrowed down to links included in a mesh that includes a part of a plurality of recommended route candidates (routes) that connect the current position PP and the target position TP of the automobile Q. (See FIG. 3 / S121 to S123, FIG. 4). Thereby, information required for evaluation of eco-index ECO _k (FIG. 3 / S124), transmission and reception (FIG. 3 / arrow A5), and search for recommended route candidates based on eco-index ECO _k (FIG. 3 / S222-S224). Efficient use of processing resources is achieved.

Then, in view of the eco-index ECO _k in each link L _k, overall evaluation of the eco-index ECO _k (sum Σ _k ECO _k) the highest recommended route candidates is set as a "recommended route", the output to the navigation display 202 Or it is displayed (FIG. 3 / S222-S224). The Eco index ECO _k in the respective link L _k in light of the latest operation information OP _k automotive Q (second car Q ₂₎ in each link L _k is properly evaluated as. Therefore, from the viewpoint of the energy economy (improvement of fuel consumption) of the automobile Q, the navigation apparatus 200 can output traffic information including an appropriate recommended route for guiding the automobile Q to the target position TP.

Thus, by following the recommended route displayed on the navigation display 202 to the driver of the car Q, the latest traffic conditions obtained by the second car Q ₂ (or until the car Q reaches each link). The vehicle Q can be appropriately traveled or moved to the target position TP from the viewpoint of energy economy reflecting the past traffic situation according to the predicted time of the vehicle. Further, since the eco lamp 244 is turned on when traveling with high fuel efficiency is realized, it is possible to give the driver an incentive to drive with high fuel efficiency and environment-friendly driving.

In the above embodiment has various identification information as is the first database 101 is built based on the first information (Fig. 2 / S111~S112), other embodiments that are collected from the first car Q ₁ The first database 101 may be constructed based on the driving test result of the automobile Q.

  In the above-described embodiment, the second external processing unit 120 sets a plurality of recommended route candidates, and then specifies a link included in a mesh that includes a part of the plurality of recommended route candidates (FIG. 3 / S121 to S121). S123, FIG. 4), as another embodiment, the internal processing unit 220 sets a plurality of recommended routes, and the second external processing unit 120 recognizes the plurality of recommended route candidates through communication with the navigation device 200. Thus, a link included in a mesh including a part of the plurality of recommended route candidates may be specified.

  In the embodiment, the internal processing unit 220 selects a recommended route from a plurality of recommended route candidates (see R21 to R23 in FIG. 5), and then outputs the recommended route to the navigation display 202 (FIG. 3 / S222 to S225). As another embodiment, the second external processing unit 120 selects a recommended route from a plurality of recommended route candidates (see FIG. 4 / R11 to R12), and then transmits the recommended route to the navigation device 200. Traffic information including the recommended route may be output to the navigation display 202 by the internal processing unit 220 of the navigation device 200.

In the embodiment, the lighting rate of the eco lamp 244 of the first automobile Q ₁ in each link L _k is evaluated or recognized as the eco index ECO _k . As another embodiment, the operation history (fuel injection amount, etc.) of each link L _k of another control target device mounted on the automobile Q may be evaluated as the eco index ECO _k in the link L _k .

In the above embodiment, the first database 101 is constructed according to the identification information T, the link L _i , the operation information OP _i and the eco index ECO _i obtained from the first automobile Q ₁ and obtained from the second automobile Q ₂ . The eco index ECO _j is searched from the first database 101 based on the link L _j and the operation information OP _j (FIG. 2 / S111 to S114). In another embodiment, in addition to the identification information T, the link L _i , the operation information OP _i and the eco index ECO _i obtained from the first automobile Q ₁ , it is expanded according to the environment of the area obtained from the environmental information source. In addition to the link L _j and the operation information OP _j obtained from the second automobile Q ₂ , the latest environmental information obtained from the environmental information source is constructed. The eco-index ECO _j may be retrieved from the first database 101 expanded based on.

According to the navigation system of the other embodiments, in addition to the second car Q ₂ of the latest operation information OP _j in the link L _j, the energy index ECO in view latest environment in the area that includes the link L _{j j} can be evaluated. The “environment” in the area may include the dryness and wetness of the road surface of the link included in the area, the weather, temperature, humidity, wind strength and direction of the area, and the like.

Configuration explanatory diagram of the traffic information management system of the present invention Functional explanatory diagram of the traffic information management system of the present invention Functional explanatory diagram of the traffic information management system of the present invention Functional explanatory diagram of the traffic information management system of the present invention Functional explanatory diagram of the traffic information management system of the present invention

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 ... Navi server, 101 ... 1st database 102 ... 2nd database, 110 ... 1st external processing part, 120 ... 2nd external processing part, 200 ... Navi apparatus, 202 ... Navi display, 220 ... Internal processing part , Q: Automobile (mobile device)

Claims (16)

A navigation server that manages information for guiding a mobile device in cooperation with a navigation device mounted on the mobile device,
Recognizing the link through which the second mobile device has passed through communication with the second mobile device and the operation information of the second mobile device in the link, and based on the link and the operation information, the first correlation (the mobile device) ), And further recognize the energy index for each identification information in the link, and for each identification information in the link and the identification information in the link. A first external processing unit for setting a second correlation (meaning a correlation between the identification information of the mobile device, the link and the energy index in the link) based on the energy index;
Recognizing the identification information of the mobile device by communication with the mobile device, recognizing the energy index in the link according to the second correlation based on the identification information of the mobile device, and the energy index or the energy index in the link A navigation server, comprising: a second external processing unit that transmits traffic information according to the information to a navigation device mounted on the mobile device.   A plurality of links constituting a plurality of recommended route candidates for the second external processing unit to guide the mobile device from its initial or current position to a target position through communication with the mobile device, or of the recommended route candidates Further recognizing a plurality of links included in an area including at least a part, and recognizing an energy index in each of the plurality of links according to the second correlation based on the identification information of the mobile device and the plurality of links The navigation server according to claim 1, wherein:   The overall energy index of each of the plurality of recommended route candidates is evaluated based on the energy index in each link recognized by the second external processing unit according to the second correlation, and the overall evaluation becomes the highest. The navigation server according to claim 2, wherein the recommended route candidate is recognized as a recommended route, and the recommended route is transmitted to the navigation device as the traffic information.   The first external processing unit acquires the environment of the area from the environment information source, the environment of the area, the identification information of the second mobile device, and the second mobile device in each link included in the area To recognize the energy index in each link according to the extended first correlation (representing the relationship between the identification information of the mobile device, the operation information and environment in each link, and the energy index). The navigation server according to claim 1.   The first external processing unit communicates with the first mobile device to identify the first mobile device, the link through which the first mobile device has passed, the operation information and the energy index of the first mobile device at the link. The navigation server according to claim 1, wherein the first correlation is set based on the identification information, the link, the operation information, and the energy index. The first mobile device is equipped with a controller that controls the operation of the device to be controlled according to the energy index of the first mobile device,
6. The first external processing unit recognizes an operation history of the device to be controlled in each link as an energy index of the first mobile device through communication with the first mobile device. Navi server. The first mobile device is equipped with an indicator or lamp that indicates that the energy index of the first mobile device is high as the control target device,
The said 1st external process part recognizes the display rate of the said control indicator or lamp in each link as an energy index of the said 1st mobile apparatus by communication with the said 1st mobile apparatus. The described navigation server. A navigation device mounted on a mobile device and having a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display,
Recognizing the initial or current position and target position of the mobile device, recognizing an energy index in each link through communication with the navigation server according to claim 1, and based on the energy index in each link, the initial or current position A navigation apparatus comprising an internal processing unit that sets a recommended route candidate having the highest overall evaluation of an energy index among the plurality of recommended route candidates that connect a position and a target position as the recommended route.   The internal processing unit causes the second external processing unit to recognize the plurality of recommended route candidates or each link constituting the plurality of recommended route candidates by communicating with the navigation server according to claim 2, and The navigation apparatus according to claim 8, wherein an energy index in each link recognized by the second external processing unit is recognized by communication with a server. A navigation device mounted on a mobile device and having a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display,
4. A navigation apparatus comprising an internal processing unit for recognizing the recommended route set by the second external processing unit through communication with the navigation server according to claim 3. A navigation program that is mounted on a mobile device and gives a further function to a navigation device having a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display,
Recognizing the initial or current position and target position of the mobile device, recognizing an energy index in each link through communication with the navigation server according to claim 1, and based on the energy index in each link, the initial or current position A navigation program characterized in that an internal processing function for setting, as the recommended route, a recommended route candidate having the highest overall evaluation of an energy index among a plurality of recommended route candidates connecting a position and a target position is provided to the navigation device. .   As the internal processing function, by communicating with the navigation server according to claim 2, the second external processing unit is made to recognize each of the plurality of recommended route candidates or each link constituting the plurality of recommended route candidates, and 12. The navigation program according to claim 11, wherein a function of recognizing an energy index in each link recognized by the second external processing unit is given to the navigation device by communication with the navigation server. A navigation program that is mounted on a mobile device and gives a further function to a navigation device having a function of displaying a recommended route for guiding the mobile device from an initial or current position to a target position on a navigation display,
4. A navigation program that gives an internal processing function for recognizing the recommended route set by the second external processing unit to the navigation device through communication with the navigation server according to claim 3.   A method for transmitting a part or all of the navigation program according to claim 11, 12 or 13 to the navigation device in order to construct the navigation device according to claim 8, 9 or 10.   15. A server that implements the method of claim 14.   The navigation server according to claim 1 and the navigation device according to claim 8, the navigation server according to claim 2, the navigation device according to claim 9, or the navigation server according to claim 3 and the navigation device according to claim 10. Navigation system characterized by being.

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