JP2000293714A - Method and device for predicting taxi fare - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device which can accurately predict the taxi fare to a destination. SOLUTION: A device for predicting taxi fare is provided with an input section 11 for inputting a destination, a route searching section 12 which searches the route from the present location to the destination, and a distance calculating section 14 which calculates the distance of the searched route. The device is also provided with a receiving section 18 which receives traffic information, a traffic congestion information processing section 19 which generates a traveling time data base 20 by extracting traffic congestion information from the received traffic information, and a traveling time calculating section 15 which calculates the traveling time along the route by using the traveling time data base. In addition, the device is also provided with a fare calculating section 16 which calculates the taxi fare to the destination based on the calculated distance of the route and traveling time and a displaying section 17 which displays the calculated results. When a user inputs the destination, therefore, the predicted value of the taxi fare is displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for estimating a fare when a taxi is taken to a destination and a taxi fare estimating apparatus for implementing the method. It is something that can be predicted.

[0002]

2. Description of the Related Art A taxi fare is calculated from a mileage and a waiting time during traveling. The taxi has distance detecting means for detecting the mileage, and an internal clock installed on the taxi meter, and the fare calculating means inside the taxi meter uses the mileage data from the distance detecting means,
The charge is calculated from the waiting time data output from the internal clock.

[0003]

However, since passengers who take a taxi do not know the traffic conditions on the way to the destination, it is difficult to predict what the fare will be. In particular, when the destination is the first place, it is often worried that the taxi fare is sufficient with the money you have.

The present invention has been made to solve the above-mentioned conventional problems, and has as its object to provide an apparatus capable of accurately estimating a taxi fare to a destination and to provide a method for estimating the taxi fare. I have.

[0005]

Therefore, in the taxi fare prediction method of the present invention, a route from a current position to a destination is searched, a distance of the route is calculated, and the calculated distance and traffic congestion information of the route are calculated. From the travel time to arrive at the destination is calculated, and the waiting time during the travel is determined from the difference between the travel time and the required time when traveling at the normal speed at the distance,
The taxi fare is calculated based on the distance and the waiting time.

In the taxi fare prediction device of the present invention, an input unit for inputting a destination, a route search unit for searching for a route from the current position to the destination, and a distance calculation unit for calculating the distance of the searched route. A reception unit for receiving traffic information, a traffic congestion information processing unit for extracting traffic congestion information from the received traffic information to create a travel time database, and a trip for calculating travel time of a route using data of the travel time database A time calculation unit, a fare calculation unit that calculates a taxi fare based on the calculated route distance and travel time, and a display unit that displays the calculation result are provided.

[0007] Therefore, it is possible to predict a taxi fare according to the actual traffic situation, and when a user inputs a destination from the input unit, the predicted value of the taxi fare is displayed on the display unit.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention according to claim 1 of the present invention is a prediction method for predicting a taxi fare when a taxi is taken to a destination, in which a route from a current position to a destination is searched for. Calculate the distance of the route, calculate the travel time until reaching the destination from the calculated distance and the traffic congestion information of the route, and calculate the travel time when traveling at the normal speed at the distance and the difference between the travel time and the travel time. A waiting time during traveling is calculated, and a taxi fare is calculated based on the distance and the waiting time. The taxi fare under actual traffic conditions can be predicted.

According to a second aspect of the present invention, in a prediction device for predicting a taxi fare when a taxi is taken to a destination, an input unit for inputting the destination and a route from the current position to the destination are searched. A route search unit, a distance calculation unit that calculates the distance of the searched route, a reception unit that receives traffic information, a traffic jam information processing unit that extracts traffic jam information from the received traffic information and creates a travel time database, A travel time calculation unit that calculates the travel time of the route using the data of the travel time database; a fare calculation unit that calculates a taxi fare based on the calculated distance and travel time of the route; and a display unit that displays the calculation result When a user inputs a destination, a predicted value of a taxi fare is displayed.

According to a third aspect of the present invention, there is provided a current position detecting unit for detecting a current position, wherein the route searching unit searches for a route from the current position detected by the current position detecting unit to a destination. This device can be mounted inside a taxi for use.

According to a fourth aspect of the present invention, a plurality of routes searched by the route searching unit, the travel time of each route calculated by the travel time calculating unit, and the travel time calculated by the fee calculating unit are displayed on the display unit. The taxi fare for each route is displayed, and a plurality of route candidates can be compared to select an actual traveling route.

An embodiment of the present invention will be described below with reference to the drawings.

(First Embodiment) The taxi fare prediction device according to the first embodiment is fixedly installed at a taxi stand or the like, and when a customer waiting for a taxi inputs a destination, a taxi to the destination is entered. The charge is displayed on the display screen.

As shown in FIG. 1, the apparatus includes a destination input unit 11 for inputting a destination, a route search unit 12 for searching a route from a current position to a destination using data of a map database 13. A distance calculating unit 14 for calculating the distance of the route searched using the data of the map database 13;
A VICS receiving unit 18 for receiving traffic information from the S (road traffic information communication system); a traffic information processing unit 19 for extracting traffic information from the received traffic information and storing it in a travel time database 20; A travel time calculation unit 15 for calculating the required time to the destination from the congested traffic information and the distance to the destination, and a taxi fare to the destination using the calculation results of the distance calculation unit 14 and the travel time calculation unit 15 And a display unit 17 for displaying the route to the destination, the required time, and the taxi fare.

A method for estimating a taxi fare using this apparatus will be described with reference to the flowchart of FIG. Step 1: The VICS information receiving unit 18 always receives traffic information. Step 2: The traffic congestion information processing unit 19 extracts only the traffic congestion information from the received traffic information and stores it in the memory. Step 3: Creates a travel time database 20 that collects the traffic congestion information of each place. This operation is continuously performed, and the latest traffic congestion information of each place is held in the travel time database 20.

Step 4: When the user inputs a destination from the destination input unit 11, Step 5: The route search unit 12 uses the data of the map database 13 to determine the known current position where this device is installed. And a plurality of routes connecting the input destination.

Step 6: The distance calculation unit 14 calculates the distance of each searched route using the data of the map database 13.

Step 7: The travel time calculation unit 15 obtains the traffic congestion status of each route searched by the route search unit 12 from the travel time database 20, and calculates the traffic congestion information and the distance calculation unit 14
Then, the required time (travel time) to the destination is calculated from the calculated distances of the routes.

Step 8: The charge calculation unit 16 is a distance calculation unit
The taxi fare to the destination is calculated from the distance of each route calculated by 14 and the travel time of each route calculated by the travel time calculator 15.

At this time, the charge calculating section 16
Calculates the waiting time during traveling from the difference between the required time when the vehicle travels the distance of the route calculated without traffic congestion and the travel time of the route calculated by the travel time calculation unit 15, and calculates the taxi fare according to the distance. Then, the final taxi fare is calculated by adding an additional amount corresponding to the waiting time.

Step 9: The display unit 17 displays each route searched by the route search unit 12, the travel time of each route calculated by the travel time calculation unit 15, and the fee of each route calculated by the fee calculation unit 16.
And they are displayed, for example, as shown in FIG.

A passenger waiting for a taxi can see the display on the display section 17 to know the fare and the required time to the destination, and when taking a taxi, taking into account the fare and the required time. , A desired route can be designated.

(Second Embodiment) The taxi fare prediction device of the second embodiment is installed in a taxi, and a passenger or driver of the taxi inputs a destination.

As shown in FIG. 3, the apparatus includes a current position detecting unit 21 for detecting a current position using GPS reception data.
The current position detected by the current position detection unit 21 is input to the route search unit 12. Other configurations are the same as those of the first embodiment.

A method for estimating a taxi fare by this device is shown in the flowchart of FIG. Step 11 to Step
The operation of Step 13 is the same as the operation of Step 1 to Step 3 of the first embodiment (FIG. 2).

Step 14: When the boarding or driver inputs a destination from the destination input unit 11, Step 15: The current position detecting unit 21 detects the current position and informs the route searching unit 12, and Step 16: The route The search unit 12 uses the data of the map database 13 to search for a plurality of routes connecting the current position detected by the current position detection unit 21 and the input destination.

The subsequent operations of steps 17 to 20 are the same as steps 6 to 9 of the first embodiment (FIG. 2).
Operation is the same as

Since this device is provided with the current position detecting section 21, no matter where the taxi moves, the route from the position to the destination designated by the passenger, the required time, and the taxi fare are displayed on the display screen. be able to. Also,
The passenger can instruct the driver on a route to the destination by pointing to one of the displayed routes.

In each embodiment, the traffic congestion information is
Although collected from S, if there is an appropriate service for providing traffic jam information, it is of course possible to use it.

[0030]

As is clear from the above description, the taxi fare prediction method according to the present invention is based on actual traffic conditions.
It is possible to predict a taxi fare with high accuracy.

Also, the taxi fare prediction device of the present invention
The predicted value of the taxi fare to the destination can be displayed, and the required time and route to the destination can also be displayed. Therefore, taxi users can obtain useful information from this device.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a taxi fare prediction device according to a first embodiment of the present invention;

FIG. 2 is a flowchart showing a taxi fare prediction method according to the first embodiment;

FIG. 3 is a block diagram showing a configuration of a taxi fare prediction device according to a second embodiment of the present invention;

FIG. 4 is a flowchart showing a taxi fare prediction method according to the second embodiment;

FIG. 5 is a diagram showing a display example on a display unit of the taxi fare prediction device.

[Explanation of symbols]

 11 Destination input unit 12 Route search unit 13 Map database 14 Distance calculation unit 15 Travel time calculation unit 16 Charge calculation unit 17 Display unit 18 VICS reception unit 19 Traffic information processing unit 20 Travel time database 21 Current position detection unit

Claims (4)

[Claims] 1. A prediction method for predicting a taxi fare when a taxi is taken to a destination, wherein a route from a current position to a destination is searched, a distance of the route is calculated, and the calculated distance and a value of the route are calculated. Calculate the travel time to arrive at the destination from the traffic congestion information, determine the waiting time during traveling from the difference between the travel time and the travel time when traveling at the normal speed at the distance, and calculate the distance and the waiting time. A taxi fare prediction method characterized by calculating a taxi fare based on the taxi fare. 2. A prediction device for predicting a taxi fare when a taxi is taken to a destination, comprising: an input unit for inputting a destination; a route search unit for searching a route from a current position to the destination; A distance calculating unit for calculating the distance of the route, a receiving unit for receiving traffic information, a traffic information processing unit for extracting traffic information from the received traffic information to create a travel time database, and using data of the travel time database. A travel time calculation unit for calculating a travel time of the route, a fare calculation unit for calculating a taxi fare based on the calculated distance and travel time of the route, and a display unit for displaying the calculation result. Taxi fare prediction device. 3. A current position detecting unit for detecting a current position, wherein the route searching unit searches for a route from a current position detected by the current position detecting unit to a destination. Item 7. The taxi fare prediction device according to item 2. 4. The display unit displays a plurality of routes searched by the route search unit, a travel time of each route calculated by the travel time calculation unit, and a travel time of each route calculated by the fee calculation unit. The taxi fare prediction device according to claim 2 or 3, wherein the taxi fare is displayed.