Driving model creating apparatus and driving support apparatus

• US 9,283,968 B2
• Filed: 06/08/2010
• Issued: 03/15/2016
• Est. Priority Date: 06/08/2010
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Yamada, Yuki
• Primary Examiner(s): Kim, Eunhee
• Application Number:
  US13/698,335
• Publication Number:
  US 20130066611A1
• Time in Patent Office: 2,107 Days
• Field of Search: 703/2, 703 6- 8, 701/1, 701/30.2
• US Class Current: 1/1
• CPC Class Codes: B60W 2050/0075 Automatic parameter input, automatic initialising or calibrating means
• CPC Class Codes: B60W 2556/10 Historical data
• CPC Class Codes: B60W 30/18145 Cornering
• CPC Class Codes: B60W 30/18154 Approaching an intersection
• CPC Class Codes: B60W 50/0098 Details of control systems ensuring comfort, safety or stability not otherwise provided for

Abstract

Provided is a driving model creating apparatus that can create a more desirable driving model for practical use, even when creating the driving model on the basis of driving track records, and a driving support apparatus that can execute a more appropriate driving support based on the driving model. The driving model creating apparatus creates a driving model for indicating the driving state of a vehicle (10). The driving model creating apparatus creates the driving model on the basis of road information that is information related to the driving environment of the vehicle (10), and driving information that is information related to the driving state of the vehicle, which will change as a result of a driver'"'"'s driving operation. The driving model creating apparatus also makes the contribution ratio of the driving information with respect to the driving model to be created, to be variable in accordance with the road information.

Claims

1. A driving model creating apparatus for creating a driving model indicating a driving state of a vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of road information, which is information relating to the driving environment of the vehicle, and driving information, which is information relating to changes in the driving state of the vehicle as a result of a driving operation of a driver, and wherein

the driving support control computer is configured to make a model contribution rate of the driving information, which is a contribution rate of the driving information to the driving model to be created, variable in accordance with the road information,

the driving support control computer is configured to make the model contribution rate of the driving information when information relating to a road marking on a road surface is not included in the road information smaller than the model contribution rate of the driving information when the information relating to the road marking is included in the road information, wherein

the driving support control computer is configured to make the driving information as information relating to the driving state reflects the stable driving state when the information relating to the road marking is included in the road information.

2. The driving model creating apparatus according to claim 1, wherein

the driving support control computer is configured to treat the road information as information relating to an intersection.

3. A driving support apparatus for supporting a driving operation of a driver of a vehicle on the basis of a driving model indicating a driving state of the vehicle, wherein the apparatus comprising a driving support control computer configured to use, as the driving model, a model created by the model creating apparatus according to claim 1.

4. A driving model creating apparatus for creating a driving model indicating a driving state of a vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of road information, which is information relating to the driving environment of the vehicle, and driving information, which is information relating to changes in the driving state of the vehicle as a result of a driving operation of a driver, and wherein

the driving support control computer is configured to make a model contribution rate of the driving information, which is a contribution rate of the driving information to the driving model to be created, variable in accordance with the road information, wherein

the driving support control computer is configured to make the model contribution rate of the driving information is configured to be reduced when the road information indicates a driving environment in which freedom in a steering operation by the driver is smaller than a first threshold value and the difference between the driving model selected as corresponding to the driving environment and the driving information is smaller than a second threshold value, wherein

the driving support control computer is configured to make a difference in the driving information as information relating to a driving state generated between driving operations is smaller than a third threshold value based on the driving operation of the vehicle within a limited steering operation range and the driving operation of the vehicle tends to be stable.

5. A driving support apparatus for supporting a driving operation of a driver of a vehicle on the basis of a driving model indicating a driving state of the vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of changes in the vehicle driving state as a result of the driving operation of the driver, and

the driving support control computer configured to make a support contribution rate of the driving model, which is a contribution rate of the driving model to the driving support, variable on the basis of road information, which is information indicating the vehicle driving environment, wherein

the driving support control computer is configured to make the support contribution rate of the driving model when information relating to a road marking on a road surface is not included in the road information smaller than the support contribution rate of the driving model when the information relating to the road marking is included in the road information, wherein

the driving support control computer is configured to make the driving information as information relating to the driving state reflects the stable driving state when the information relating to the road marking is included in the road information.

6. The driving support apparatus according to claim 5, wherein the driving support control computer performing circuit is configured to treat the road information as information relating to an intersection.

7. A driving support apparatus for supporting a driving operation of a driver of a vehicle on the basis of a driving model indicating a driving state of the vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of changes in the vehicle driving state as a result of the driving operation of the driver, and

the driving support control computer configured to make a support contribution rate of the driving model, which is a contribution rate of the driving model to the driving support, variable on the basis of road information, which is information indicating the vehicle driving environment, wherein

the driving support control computer is configured to provide the driving support on the basis of a standard driving model prepared in advance when the information relating to a road marking on a road surface is not included in the road information,

wherein the driving support control computer is configured to provide the driving support in which predetermined stability is maintained on the basis of the standard driving model prepared in advance when the information relating to the road marking on the road surface is not included in the road information.

8. A driving support apparatus for supporting a driving operation of a driver of a vehicle on the basis of a driving model indicating a driving state of the vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of changes in the vehicle driving state as a result of the driving operation of the driver, and

the driving support control computer configured to make a support contribution rate of the driving model, which is a contribution rate of the driving model to the driving support, variable on the basis of road information, which is information indicating the vehicle driving environment, wherein

the driving support control computer is configured to make the support contribution rate of the driving model when the road information indicates a driving environment in which freedom of a steering operation by a driver is smaller than a first threshold value smaller than that when the support contribution rate of the driving model indicates a driving environment in which the freedom of the steering operation is larger than the first threshold value, wherein

the driving support control computer is configured to make a difference in the driving information as information relating to a driving state generated between driving operations is smaller than a second threshold value based on the driving operation of the vehicle within a limited steering operation range and the driving operation of the vehicle tends to be stable.

9. A driving support apparatus for supporting a driving operation of a driver of a vehicle on the basis of a driving model indicating a driving state of the vehicle, the apparatus comprising:

a driving support control computer configured to create the driving model on the basis of changes in the vehicle driving state as a result of the driving operation of the driver, and

a driving support control computer configured to make a support contribution rate of the driving model, which is a contribution rate of the driving model to the driving support, variable on the basis of road information, which is information indicating the vehicle driving environment, wherein

the driving support control computer is configured to provide the driving support on the basis of a standard driving model prepared in advance when the road information indicates a driving environment in which the freedom of the steering operation by the driver is smaller than a first threshold value

wherein the driving support control computer is configured to provide a stable driving support without characteristics unique to the driver on the basis of the standard driving model prepared in advance by making a difference generated in the driving state between the driving operations smaller than a second threshold value.