JP6604758B2 - Vehicle travel support system, vehicle travel support method, and program - Google Patents

Description

  The present invention relates to a vehicle travel support device that appropriately alerts a driver of a vehicle.

  2. Description of the Related Art Conventionally, there has been a vehicle travel support device that can alert a driver at a steep slope or a step on a travel route (see, for example, Patent Document 1).

JP 2005-43261 A

  However, in the conventional vehicle travel support device, it is not possible to call attention in consideration of the travel state of the vehicle.

  The vehicle travel support apparatus according to the first aspect of the present invention is a warning condition including a gradient angle condition that is a condition related to a road gradient angle and a travel condition that is a condition related to vehicle travel, and information for alerting a driver. Storage information that can be stored in association with warning information, a gradient angle acquisition unit that acquires a gradient angle of a road on which the vehicle is traveling, or a road on which the vehicle is traveling, and information relating to vehicle travel A driving information acquisition unit that acquires driving information, a determination unit that determines whether or not the gradient angle and driving information satisfy the alert condition, and if the determination unit determines that the alert condition is satisfied, it corresponds to the alert condition It is a vehicle travel support device provided with the output part which outputs the alerting information to do.

  With such a configuration, appropriate alerting can be performed in consideration of the slope angle of the road and the traveling state of the vehicle.

  In addition, the vehicle travel support apparatus according to the second aspect of the present invention further includes a surrounding state information acquisition unit that acquires surrounding state information that is information related to a surrounding state of the vehicle with respect to the first aspect of the invention. Includes a surrounding situation condition that is a condition related to a surrounding situation of the vehicle, and the determination unit is a vehicle traveling support device that determines whether the gradient angle, the traveling information, and the surrounding situation information satisfy the alert condition. .

  With this configuration, more appropriate alerting can be performed in consideration of the situation around the vehicle.

  Further, the vehicle travel support device according to the third aspect of the present invention is the vehicle travel support device according to the first or second aspect, wherein the gradient angle condition is that the angle of the downhill road is greater than or greater than a threshold value. It is.

  With such a configuration, appropriate alerting can be performed in consideration of the slope angle of the road and the traveling state of the vehicle.

  In addition, the vehicle travel support device according to the fourth aspect of the present invention is a vehicle travel support device, which is information for noting that the speed is too high as compared with the third aspect.

  With this configuration, it is possible to notify the driver that the speed is too high from the gradient angle of the road and the traveling state of the vehicle.

  Further, the vehicle travel support apparatus according to the fifth aspect of the present invention is the vehicle travel support apparatus according to the first or second aspect, wherein the gradient angle condition is that the angle of the road of the climb slope is greater than or equal to a threshold value. It is.

  With such a configuration, appropriate alerting can be performed in consideration of the slope angle of the road and the traveling state of the vehicle.

  The vehicle travel support device according to the sixth aspect of the present invention is the vehicle travel support device according to the fifth aspect, wherein the alert information is information for notifying that there is a possibility of causing a traffic jam. .

  With such a configuration, it is possible to notify the driver that there is a possibility of traffic jam from the gradient angle of the road and the traveling state of the vehicle.

  According to the vehicle travel support device of the present invention, appropriate alerting can be performed in consideration of the gradient angle of the road and the travel state of the vehicle.

Block diagram of vehicle travel support apparatus 1 according to Embodiment 1 A flowchart for explaining a first operation example of the vehicle travel support device 1 The flowchart explaining the 2nd operation example of the vehicle driving assistance device 1 Figure showing the same output management information management table Overview of the computer system Block diagram of the computer system

  Hereinafter, embodiments of a vehicle travel support device and the like will be described with reference to the drawings. In addition, since the component which attached | subjected the same code | symbol in embodiment performs the same operation | movement, description may be abbreviate | omitted again.

(Embodiment 1)
In the present embodiment, a vehicle travel support device that acquires a gradient angle and travel information related to travel, and gives different warnings according to the gradient angle and travel information will be described.

  Further, in the present embodiment, a vehicle travel support device that performs appropriate alerting in consideration of ambient situation information indicating the situation around the vehicle will be described.

  The vehicle here is usually an automobile, but includes other types of vehicles such as motorcycles.

  FIG. 1 is a block diagram of a vehicle travel support apparatus 1 in the present embodiment. The vehicle travel support device 1 may be a device installed in a vehicle, or a portable terminal such as a smartphone or a tablet terminal. The kind of vehicle travel assistance device 1 is not ask | required. In addition, the device installed in the vehicle may be a navigation device, a dedicated device that supports vehicle travel, or the like.

  The vehicle travel support device 1 includes a storage unit 11, an acquisition unit 12, a processing unit 13, and an output unit 14.

  The storage unit 11 includes a map information storage unit 111 and an output management information storage unit 112.

  The acquisition unit 12 includes a current position acquisition unit 121, a gradient angle acquisition unit 122, a travel information acquisition unit 123, and an ambient condition information acquisition unit 124.

  The processing unit 13 includes a navigation unit 131 and a determination unit 132.

  The output unit 14 includes a map information output unit 141, a guidance output unit 142, and an alert information output unit 143.

  The storage unit 11 can store the alert condition and the alert information in association with each other. The alerting condition is a condition for determining to output alerting information, and includes a gradient angle condition and a traveling condition. The alert condition may include a gradient angle condition, a traveling condition, and an ambient condition. Further, the alerting condition may include only a gradient angle condition and an ambient condition. Here, the information that associates the alert condition with the alert information may be link information that associates the alert condition with the alert information, or may be output management information described later. Details of the alert information will be described later.

  The storage unit 11 may store one or more output management information. The output management information includes alerting conditions and alerting information.

  Here, the gradient angle condition is a condition regarding the gradient angle of the road. The slope angle condition is, for example, that the angle of the road with a downward slope is greater than or equal to a threshold value. The slope angle condition is that the angle of the road of the climb slope is equal to or larger than the threshold value or larger than the threshold value. More specifically, the gradient angle condition is, for example, “10 degrees <downgradient angle” indicating that the downward gradient angle is greater than 10 degrees, and “15 degrees indicating that the downward gradient angle is 15 degrees or more. <= Down slope angle>, “20 degrees <Climb slope angle” indicating that the slope angle of climb is greater than 20 degrees, “25 degrees <= Climb slope angle” indicating that the slope angle of climb is 25 degrees or more Etc.

  In addition, the traveling condition is a condition relating to traveling of the vehicle. The traveling condition is, for example, a condition related to the speed of the vehicle, a condition related to the acceleration of the vehicle, or a condition related to transition of the speed of the vehicle.

  The ambient condition is a condition related to the situation around the vehicle. Ambient condition conditions include, for example, conditions regarding the presence or absence of traffic congestion on the road on which the vehicle is traveling, conditions regarding the degree of traffic congestion, conditions regarding the number of other vehicles around the vehicle, and conditions regarding the weather in the area where the vehicle is traveling Etc.

  Further, the alert information is information for alerting the driver. The alert information is information for noting that the speed is too high, for example. The alert information is information for noting that there is a possibility of causing a traffic jam, for example. The alert information is information indicating that attention should be paid to slip, for example. The alert information is text, a still image, a moving image, sound, a combination of these information, and the like, and its data type and structure are not limited.

  Furthermore, the storage unit 11 may store map information. Map information is information constituting a map. The map information includes, for example, a map image (may be referred to as map symbol information), one or more objects displayed on the map, and the type of the object. The map information is in KIWI format, for example. However, the format, content, etc. of the map information are not questioned. The map information includes, for example, term information including map symbol information indicating a map symbol and position information indicating a term and a position of the term on the map. The map symbol information is, for example, a bitmap or vector data constituting the map. The term has an object (character string) written on a map. The position information is information having latitude and longitude on a map, X and Y coordinate values on a two-dimensional plane, and the like. The map information preferably includes map symbol information and term information for each scale. The object refers to a place name, a building, a scenic spot, a place name, a park, a mountain, or the like displayed on the map. The map information includes information on roads, for example. Information relating to the road usually includes information for specifying the position of the road, information indicating the type of the road, and the like.

  The map information storage unit 111 stores map information.

  The output management information storage unit 112 stores one or more output management information.

  The acquisition unit 12 acquires various types of information. The various types of information are, for example, the current position, the gradient angle, the travel information, the surrounding situation information, and the like.

  The current position acquisition unit 121 acquires the current position. The current position acquisition unit 121 acquires the current position using, for example, a GPS receiver. However, the current position acquisition unit 121 may acquire the current position by means other than the GPS receiver, such as acquiring the current position by using the radio wave intensity from three or more base stations of the mobile phone.

  The gradient angle acquisition unit 122 acquires the gradient angle of the road on which the vehicle is traveling or the road on which the vehicle is traveling. The road on which the vehicle travels is a road that the vehicle will travel in the near future, a road just before the vehicle travels, or the like. The reason why the gradient angle acquisition unit 122 acquires the gradient angle of the road on which the vehicle travels is to call attention before the vehicle enters the road to be alerted.

  The gradient angle acquisition unit 122 acquires the gradient angle using, for example, a 3D gyro sensor (3D gyroscope).

  However, the gradient angle acquisition unit 122 may acquire the gradient angle included in the road information included in the map information in the storage unit 11. That is, the gradient angle acquisition unit 122 may acquire the gradient angle included in the road information of the road corresponding to the current position acquired by the current position acquisition unit 121.

  Furthermore, the gradient angle acquisition unit 122 may receive the gradient angle from an external device (not shown). The external device (not shown) is, for example, a device such as an in-vehicle device mounted on a vehicle.

  The travel information acquisition unit 123 acquires travel information that is information related to travel of the vehicle. The traveling information is, for example, speed, acceleration, speed transition, and the like. A speed transition is a set of information on two or more speeds. A speed of 2 or more is usually a continuously acquired speed. Since the technique in which the traveling information acquisition unit 123 acquires the traveling information is a known technique, detailed description thereof is omitted.

  Furthermore, the travel information acquisition unit 123 may receive travel information from an external device (not shown). The external device (not shown) is, for example, a device such as an in-vehicle device mounted on a vehicle.

  The ambient situation information acquisition unit 124 acquires ambient situation information that is information related to the situation around the vehicle. Ambient situation information is, for example, the degree of congestion of a road that is running, the number of vehicles, the weather, the type of road (high speed, general road, etc.), and the like.

  For example, the surrounding state information acquisition unit 124 receives information indicating that there is a traffic jam from VICS (registered trademark). In addition, the ambient state information acquisition unit 124 analyzes, for example, an image acquired by a camera that captures the periphery of the vehicle, and acquires the number of other vehicles around the host vehicle. Moreover, the surrounding condition information acquisition part 124 acquires the present weather and weather from the server apparatus which is not shown in figure, for example. In addition, the surrounding situation information acquisition unit 124 acquires, for example, the type of road currently running from the map information in the map information storage unit 111.

  The processing unit 13 performs various processes. The various processes are processes performed by the navigation unit 131, the determination unit 132, and the like.

  The navigation unit 131 performs navigation processing using the current position acquired by the current position acquisition unit 121. The navigation process includes a process for obtaining guidance information, a process for searching for a route, and the like. Since the navigation process is a known technique, a detailed description thereof is omitted.

  The determination unit 132 determines whether the gradient angle and the travel information satisfy the alert condition. This gradient angle is information acquired by the gradient angle acquisition unit 122. The travel information is information acquired by the travel information acquisition unit 123. Further, the alert condition is a condition stored in the output management information storage unit 112.

  The determination unit 132 determines, for example, whether or not the gradient angle and the travel information satisfy any one or more alert conditions of the storage unit 11. The determination unit 132 may determine that a maximum of one alert condition is satisfied, or may determine that two or more alert conditions are satisfied.

  The determination unit 132 may determine whether the gradient angle, the travel information, and the surrounding situation information satisfy the alert condition. This ambient status information is information acquired by the ambient status information acquisition unit 124.

  Furthermore, the determination unit 132 may determine whether or not the gradient angle and the surrounding situation information satisfy the alert condition.

  The output unit 14 outputs various information. Various types of information include, for example, alert information, map information, guidance information, and the like.

  When the determination unit 132 determines that the alert condition is satisfied, the output unit 14 outputs alert information corresponding to the alert condition.

  The output includes display and audio output. In addition, the output includes display on the windshield of the vehicle by an in-vehicle head-up display. Furthermore, output refers to projection using a projector, printing with a printer, sound output, transmission to an external device, storage in a recording medium, delivery of processing results to other processing devices or other programs, etc. It is a concept that includes.

  The map information output unit 141 outputs the map information in the map information storage unit 111.

  The guidance output unit 142 outputs the guidance information acquired by the navigation unit 131. The guidance output unit 142 may output route information acquired by the navigation unit 131. The route information is information indicating a route obtained as a result of route search.

  When the determination unit 132 determines that the alert condition is satisfied, the alert information output unit 143 outputs alert information corresponding to the alert condition. Note that when the determination unit 132 determines that the alert condition is satisfied, the alert information output unit 143 acquires the alert information corresponding to the alert condition from the output management information storage unit 112, and stores the alert information as the alert information. Output. When the determination unit 132 determines that two or more alert conditions are satisfied, the alert information output unit 143 may output two or more alert information corresponding to each of the two or more alert conditions.

  The storage unit 11, the map information storage unit 111, and the output management information storage unit 112 are preferably non-volatile recording media, but can also be realized by volatile recording media.

  The process in which information is stored in the storage unit 11 or the like is not limited. For example, information may be stored in the storage unit 11 or the like via a recording medium, information transmitted via a communication line or the like may be stored in the storage unit 11 or the like, Alternatively, information input via the input device may be stored in the storage unit 11 or the like.

  The acquisition unit 12, the gradient angle acquisition unit 122, the travel information acquisition unit 123, the surrounding state information acquisition unit 124, the processing unit 13, the navigation unit 131, and the determination unit 132 can be usually realized by an MPU, a memory, or the like. The processing procedure of the acquisition unit 12 is usually realized by software, and the software is recorded in a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).

  The output unit 14, the map information output unit 141, the guidance output unit 142, and the alert information output unit 143 may or may not include an output device such as a display or a speaker. The output unit 14 can be realized by output device driver software, or output device driver software and an output device.

  Next, a first operation example of the vehicle travel support device 1 will be described using the flowchart of FIG.

  (Step S201) The gradient angle acquisition unit 122 acquires a gradient angle.

  (Step S202) The travel information acquisition unit 123 acquires travel information.

  (Step S203) The determination unit 132 assigns 1 to the counter i.

  (Step S <b> 204) The determination unit 132 determines whether or not the i-th alert condition is stored in the storage unit 11. If the i-th alert condition is stored, the process goes to step S205, and if the i-th alert condition is not stored, the process returns to step S201.

  (Step S <b> 205) The determination unit 132 acquires the i-th alerting condition from the storage unit 11.

  (Step S206) The determination unit 132 determines whether the gradient angle acquired in step S201 and the travel information acquired in step S202 match the i-th alert condition acquired in step S205. If the i-th alert condition is met, the process goes to step S207. If the i-th alert condition is not met, the process goes to step S209.

  (Step S207) The alert information output unit 143 acquires alert information corresponding to the i-th alert condition from the storage unit 11.

  (Step S208) The alert information output unit 143 outputs the alert information acquired in Step S207.

  (Step S209) The determination unit 132 increments the counter i by one. The process returns to step SS204.

  In the flowchart of FIG. 2, the ambient condition information acquisition unit 124 acquires the ambient condition information, and the determination unit 132 sets the acquired gradient angle, travel information, and ambient condition information as the i-th alert condition. It may be determined whether or not they match.

  In the flowchart of FIG. 2, the alert information output unit 143 may output the alert information acquired in two or more steps S207 continuously or simultaneously.

  In the flowchart of FIG. 2, the determination unit 132 does not need to determine whether or not the other alerting condition is met after determining that the alerting condition is met.

  Further, in the flowchart of FIG. 2, the processing is ended by powering off or interruption for aborting the processing.

  Next, a second operation example of the vehicle travel support device 1 will be described using the flowchart of FIG. In the flowchart of FIG. 3, the description of the same steps as those in the flowchart of FIG. 2 is omitted.

  (Step S301) The current position acquisition unit 121 acquires the current position.

  (Step S302) The map information output unit 141 acquires the map information corresponding to the current position from the map information storage unit 111 and outputs it.

  (Step S303) The navigation unit 131 acquires guidance information using the current position. And the guidance output part 142 outputs the said guidance information.

  (Step S304) The ambient condition information acquisition unit 124 acquires ambient condition information.

  (Step S305) The determination unit 132 determines that the gradient angle acquired in Step S201, the travel information acquired in Step S202, and the ambient situation information acquired in Step S304 are the i-th alert condition acquired in Step S205. It is determined whether or not it matches. If the i-th alert condition is met, the process goes to step S207. If the i-th alert condition is not met, the process goes to step S209.

  In the flowchart of FIG. 3, the determination unit 132 may determine whether or not the alert condition is met using only the gradient angle and the travel information. In addition, the determination unit 132 may determine whether or not the alerting condition is met using only the gradient angle and the surrounding situation information.

  Further, in the flowchart of FIG. 3, the process is ended by power-off or a process end interrupt.

  Hereinafter, a specific operation of the vehicle travel support device 1 in the present embodiment will be described. Here, a specific operation in which the vehicle travel support device 1 outputs the alert information will be described.

  Now, the output management information storage unit 112 stores the output management information management table shown in FIG. The output management information management table is a table for managing output management information. The output management information management table manages one or more records having “ID”, “attention calling conditions”, “attention calling information”, and “priority”. “ID” is an identifier for identifying a record. The “attention calling condition” includes “gradient angle condition”, “running condition”, and “ambient condition condition”. Note that one or more of the “gradient angle condition”, “running condition”, and “ambient condition condition” may be NULL. It goes without saying that if the condition is NULL, it indicates that the condition is not imposed. Here, existing conditions are connected by AND. “Weather == rain” indicates that the weather information is information indicating “rain”. “Congestion == ON” means that the information indicating traffic jam is information indicating “congestion”. Furthermore, the “attention calling information” is a character string here, but the data type of the still image, the moving image, or the like is not limited as described above. Furthermore, the “priority order” indicates the priority order to which the alert condition is applied. That is, in this specific example, only one alerting condition can be applied. And only one alerting information can be output.

  In this situation, the following two specific examples will be shown. Specific example 1 is a case of using a gradient angle and travel information. Specific example 2 is a case in which a gradient angle, travel information, and ambient situation information are used.

(Specific example 1)
Now, assume that the vehicle is traveling on a road, and the gradient angle acquisition unit 122 has acquired the downward gradient angle “18 degrees”.

  Next, it is assumed that the travel information acquisition unit 123 has acquired a speed “60 km / h” that is a type of travel information.

  Next, it is assumed that the determination unit 132 sequentially applies the alerting conditions of FIG. 4 according to the priority order. Then, the determination unit 132 reads the alert information (condition “ID = 3”) corresponding to the priority “1”, applies the gradient angle “18 degrees” and the speed “60 km / h”, The result of judgment “not satisfied” is acquired.

  Next, the determination unit 132 reads the alert information (condition of “ID = 2”) corresponding to the priority “2”, applies the gradient angle “18 degrees” and the speed “60 km / h”, The result of determination that “satisfy” is acquired.

  Then, the alert information output unit 143 acquires alert information “Please reduce the speed” corresponding to the alert condition from the output management information management table of FIG.

  Next, the alert information output unit 143 outputs the acquired alert information “Please reduce the speed.” The alert information output unit 143 preferably outputs the alert information as a voice, but may display the alert information on a display. Further, the alert information output unit 143 may output the alert information by voice and display it on a display.

(Specific example 2)
Now, assume that the vehicle is traveling on a road, and the gradient angle acquisition unit 122 has acquired the downward gradient angle “12 degrees”.

  Next, it is assumed that the travel information acquisition unit 123 has acquired a speed “50 km / h” that is a type of travel information.

  Further, it is assumed that the surrounding state information acquisition unit 124 has acquired the surrounding state information “weather = rain, traffic jam = ON”. Note that “weather = rain” indicates that the weather is “rain”, and “congestion = ON” indicates that there is traffic.

  Next, it is assumed that the determination unit 132 sequentially applies the alerting conditions of FIG. 4 according to the priority order. Then, the determination unit 132 reads the alert information (condition of “ID = 3”) corresponding to the priority “1”, the gradient angle “12 degrees”, the speed “50 km / h”, and the surrounding situation information “congestion” = ON "is applied, and a determination result that" condition is not satisfied "is acquired.

  Next, the determination unit 132 reads the alerting information (condition “ID = 2”) corresponding to the priority “2”, the gradient angle “12 degrees”, the speed “50 km / h”, and the surrounding situation information “congestion”. = ON "is applied, and a determination result that" condition is not satisfied "is acquired.

  Next, the determination unit 132 reads the alert information (condition of “ID = 1”) corresponding to the priority “3”, the gradient angle “12 degrees”, the speed “50 km / h”, and the surrounding situation information “ Apply “congestion = ON” and obtain a determination result that “condition” is met.

  Then, the alert information output unit 143 acquires alert information “Please be careful about excessive speed” corresponding to the alert condition from the output management information management table of FIG.

  Next, the alert information output unit 143 outputs the acquired alert information “Please be careful about excessive speed”. The alert information output unit 143 preferably outputs the alert information as a voice, but may display the alert information on a display. Further, the alert information output unit 143 may output the alert information by voice and display it on a display.

  As described above, according to the present embodiment, appropriate alerting can be performed in consideration of the gradient angle of the road and the traveling state of the vehicle.

  Further, according to the present embodiment, appropriate alerting can be performed in consideration of the slope angle of the road, the traveling state of the vehicle, and the situation around the vehicle.

  Further, according to the present embodiment, appropriate alerting can be performed in consideration of the slope angle of the road and the situation around the vehicle.

  Note that the processing in the present embodiment may be realized by software. Then, this software may be distributed by software download or the like. Further, this software may be recorded and distributed on a recording medium such as a CD-ROM. This also applies to other embodiments in this specification. In addition, the software which implement | achieves the vehicle travel assistance apparatus 1 in this Embodiment is the following programs. In other words, this program is a computer-accessible recording medium that includes a warning condition including a slope angle condition that is a condition related to a road slope angle and a driving condition that is a condition related to vehicle driving, and a warning to a driver. And a storage unit that can store the alerting information that is information for associating and storing the computer, and a gradient angle acquisition unit that acquires a gradient angle of a road on which the vehicle is traveling, or a road on which the vehicle is traveling, and A travel information acquisition unit that acquires travel information that is information related to the travel of the vehicle, a determination unit that determines whether the gradient angle and the travel information satisfy the alert condition, and the determination unit includes the alert When it is determined that the condition is satisfied, the program is a program for functioning as an output unit that outputs the alert information corresponding to the alert condition.

In the above program, the computer is further caused to function as an ambient condition information acquisition unit that acquires ambient condition information that is information related to the surrounding condition of the vehicle, and the alert condition is a condition related to the surrounding condition of the vehicle. It is preferable that the determination unit includes a condition, and the determination unit is a program that causes a computer to function as a determination as to whether or not the gradient angle, the travel information, and the surrounding situation information satisfy the alert condition. is there.

  In the above program, it is preferable that the gradient angle condition is a program that causes a computer to function, assuming that the angle of a road with a downward gradient is greater than or equal to a threshold value.

  In the above program, the alert information is preferably a program that causes a computer to function as information for noting that the speed is too high.

  In the above program, it is preferable that the gradient angle condition is a program that causes a computer to function, assuming that the angle of the road of the climb slope is equal to or greater than a threshold value or greater than the threshold value.

  In the above program, the alert information is preferably a program that causes a computer to function as information for noting that there is a possibility of causing a traffic jam.

  FIG. 5 shows the external appearance of a computer that executes the program described in this specification and realizes the vehicle travel support apparatus 1 and the like of the various embodiments described above. The above-described embodiments can be realized by computer hardware and a computer program executed thereon. FIG. 5 is an overview diagram of the computer system 300, and FIG. 6 is a block diagram of the system 300.

  In FIG. 5, the computer system 300 includes a computer 301 including a CD-ROM drive 3012, a keyboard 302, a mouse 303, a monitor 304, and a speaker 306.

  6, in addition to the CD-ROM drive 3012, the computer 301 includes an MPU 3013, a bus 3014 connected to the MPU 3013 and the CD-ROM drive 3012, a ROM 3015 for storing a program such as a bootup program, The RAM 3016 is connected to the MPU 3013 and temporarily stores application program instructions and provides a temporary storage space, and includes a hard disk 3017 and the like for storing application programs, system programs, and data. Although not shown here, the computer 301 may further include a network card that provides connection to a LAN.

  A program for causing the computer system 300 to execute the functions of the vehicle driving support device 1 and the like of the above-described embodiment is stored in the CD-ROM 3101, inserted into the CD-ROM drive 3012, and further transferred to the hard disk 3017. good. Alternatively, the program may be transmitted to the computer 301 via a network (not shown) and stored in the hard disk 3017. The program is loaded into the RAM 3016 at the time of execution. The program may be loaded directly from the CD-ROM 3101 or the network.

  The program does not necessarily include an operating system (OS), a third-party program, or the like that causes the computer 301 to execute the functions of the vehicle travel support device 1 according to the above-described embodiment. The program only needs to include an instruction portion that calls an appropriate function (module) in a controlled manner and obtains a desired result. How the computer system 300 operates is well known and will not be described in detail.

  Further, the computer that executes the program may be singular or plural. That is, centralized processing may be performed, or distributed processing may be performed.

  Further, in each of the above embodiments, it goes without saying that two or more communication units existing in one apparatus may be physically realized by one medium.

  In each of the above embodiments, each process (each function) may be realized by centralized processing by a single device (system), or by distributed processing by a plurality of devices. May be.

  The present invention is not limited to the above-described embodiments, and various modifications are possible, and it goes without saying that these are also included in the scope of the present invention.

  As described above, the vehicle travel support apparatus according to the present invention has an effect that appropriate alerting can be performed in consideration of the gradient angle of the road and the travel state of the vehicle, and is useful as a navigation terminal or the like.

DESCRIPTION OF SYMBOLS 1 Vehicle travel assistance apparatus 11 Storage part 12 Acquisition part 13 Processing part 14 Output part 111 Map information storage part 112 Output management information storage part 121 Current position acquisition part 122 Gradient angle acquisition part 123 Travel information acquisition part 124 Ambient condition information acquisition part 131 Navigation part 132 Judgment part 141 Map information output part 142 Guidance output part 143 Attention information output part

Claims (8)

Stores map information including road information that represents the slope angle of the road, and alert conditions including the related that run line conditions the running of the gradient angle condition and the vehicle about the slope angle of the road, attention to the driver a storage unit that can store in association with attention arousal information for arousal,
A current position acquisition unit for acquiring current position information indicating a current position of the vehicle;
Wherein the current on the basis of the road information of the corresponding road position information, the gradient angle acquisition unit road vehicle is traveling or the vehicle acquires the slope angle of the road to travel,
A travel information acquisition unit that acquires related that run line information on the running of the vehicle,
A determination unit that determines whether the gradient angle and the travel information satisfy the alert condition;
If the determination unit before and Symbol reminder satisfy determines the vehicle traveling assistance system and an output unit which outputs the alert information corresponding to the alert condition. An ambient condition information acquisition unit that acquires ambient condition information that is information related to the situation of the vehicle;
The alert condition is
Also includes the situation regarding that ambient conditions conditions around the vehicle,
The determination unit
The vehicle travel support system according to claim 1, wherein it is determined whether or not the gradient angle, the travel information, and the surrounding situation information satisfy the alert condition. The gradient angle condition is:
The vehicle travel support system according to claim 1 or 2, wherein the angle of the road on the downward slope is equal to or larger than a threshold value or larger than the threshold value. The alert information is
The vehicle travel support system according to claim 3, which is information for noting that the speed of the vehicle is excessive. The gradient angle condition is:
The vehicle travel support system according to claim 1 or 2, wherein the angle of the road of the climb slope is equal to or larger than a threshold value or larger than the threshold value. The alert information is
The vehicle travel support system according to claim 5, wherein the vehicle travel support system is information for paying attention to a possibility of causing a traffic jam. The recording medium is
Stores map information including road information that represents the slope angle of the road, and alert conditions including the related that run line conditions the running of the gradient angle condition and the vehicle about the slope angle of the road, attention to the driver It has a storage unit that can store the alert information that is information for alerting in association with each other,
A vehicle travel support method realized by a current position acquisition unit, a gradient angle acquisition unit, a travel information acquisition unit, a determination unit, and an output unit,
The current position acquisition unit acquires current position information indicating a current position of the vehicle; and
The gradient angle acquisition unit acquires the gradient angle of the road on which the vehicle is traveling or the road on which the vehicle is traveling based on the road information of the road corresponding to the current position information ;
The traveling information acquisition unit, and a travel information acquisition step of acquiring traveling information which is information related to traveling of the vehicle,
The determination unit determines whether the gradient angle and the travel information satisfy the alert condition;
If the previous SL was the alert condition is satisfied and the output unit is determined in decision step, the vehicle travel support method and an output step of outputting the alert information corresponding to the alert condition. Computer-accessible recording media
Stores map information including road information that represents the slope angle of the road, and alert conditions including the related that run line conditions the running of the gradient angle condition and the vehicle about the slope angle of the road, attention to the driver It has a storage unit that can store the alert information that is information for alerting in association with each other,
The computer,
A current position acquisition unit for acquiring current position information indicating a current position of the vehicle;
Wherein the current on the basis of the road information of the corresponding road position information, the gradient angle acquisition unit road vehicle is traveling or the vehicle acquires the slope angle of the road to travel,
A travel information acquisition unit that acquires related that run line information on the running of the vehicle,
A determination unit that determines whether the gradient angle and the travel information satisfy the alert condition;
If the determination unit before and Symbol reminder satisfy determines a program to function as an output unit for outputting the alert information corresponding to the alert condition.

Images