Vehicular braking/driving-force control apparatus

Patent metadata

Field	Value
Publication number	US-2018043885-A1
Application number	US-201515109534-A
Country	US
Kind code	A1
Filing date	Sep 18, 2015
Priority date	Oct 17, 2014
Publication date	Feb 15, 2018
Grant date	—

Abstract

A vehicular braking/driving-force control apparatus includes an accelerator operation detection part configured to detect an accelerator operation; a driving-force limiting apparatus configured to carry out driving-force limiting control of limiting driving force of an own vehicle in such a manner that an upper-limit speed that is set will not be exceeded; an automatic braking control apparatus configured to carry out automatic braking control of automatically generating braking force in the own vehicle based on a relative distance or a relative speed between an obstacle in front of the own vehicle and the own vehicle, and have a cancellation function of inhibiting a start of the automatic braking control based on the accelerator operation; and a control part configured to inhibit the cancellation function from being executed when the driving-force limiting apparatus is in an activated state where the driving-force limiting apparatus is allowed to carry out the driving-force limiting control.

First claim

1 .- 6 . (canceled)

7 . A vehicular braking/driving-force control apparatus comprising:
an accelerator operation detection part configured to detect an accelerator operation; a driving-force limiting apparatus configured to carry out driving-force limiting control of limiting driving force of an own vehicle in such a manner that an upper-limit speed that is set will not be exceeded; an automatic braking control apparatus configured to carry out automatic braking control of automatically generating braking force in the own vehicle based on a relative distance or a relative speed between an obstacle in front of the own vehicle and the own vehicle, and have a cancellation function of inhibiting a start of the automatic braking control based on the accelerator operation; and a control part configured to inhibit the cancellation function from being executed when the driving-force limiting apparatus is in an activated state where the driving-force limiting apparatus can carry out the driving-force limiting control.

8 . The vehicular braking/driving-force control apparatus as claimed in claim 7 , wherein
the control part is configured to, when the driving-force limiting apparatus is carrying out the driving-force limiting control, inhibit the cancellation function from being executed.

9 . The vehicular braking/driving-force control apparatus as claimed in claim 8 , wherein
the control part is configured to, when a starting switch of the driving-force limiting apparatus is in a turned-on state and a difference between a speed of the own vehicle and the upper-limit speed is less than or equal to a predetermined vehicle speed, determine that the driving-force limiting apparatus is carrying out the driving-force limiting control.

10 . The vehicular braking/driving-force control apparatus as claimed in claim 7 , wherein
the accelerator operation corresponds to an accelerator pedal stepped-on amount, the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to a first predetermined threshold, and the driving-force limiting apparatus is configured to cancel the activated state when the accelerator pedal stepped-on amount is greater than or equal to a second predetermined threshold greater than the first predetermined threshold.

11 . The vehicular braking/driving-force control apparatus as claimed in claim 8 , wherein
the accelerator operation corresponds to an accelerator pedal stepped-on amount, the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to a first predetermined threshold, and the driving-force limiting apparatus is configured to cancel the activated state when the accelerator pedal stepped-on amount is greater than or equal to a second predetermined threshold greater than the first predetermined threshold.

12 . The vehicular braking/driving-force control apparatus as claimed in claim 9 , wherein
the accelerator operation corresponds to an accelerator pedal stepped-on amount, the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to a first predetermined threshold, and the driving-force limiting apparatus is configured to cancel the activated state when the accelerator pedal stepped-on amount is greater than or equal to a second predetermined threshold greater than the first predetermined threshold.

13 . The vehicular braking/driving-force control apparatus as claimed in claim 10 , wherein
the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, whereas the control part inhibits the cancellation function from being executed under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, and the automatic braking control apparatus starts the automatic braking control even when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold.

14 . The vehicular braking/driving-force control apparatus as claimed in claim 11 , wherein
the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, whereas the control part inhibits the cancellation function from being executed under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, and the automatic braking control apparatus starts the automatic braking control even when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold.

15 . The vehicular braking/driving-force control apparatus as claimed in claim 12 , wherein
the cancellation function inhibits a start of the automatic braking control when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, whereas the control part inhibits the cancellation function from being executed under the condition where the driving-force limiting apparatus is executing the driving-force limiting control, and the automatic braking control apparatus starts the automatic braking control even when the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold.

16 . The vehicular braking/driving-force control apparatus as claimed in claim 10 , wherein
the cancellation function inhibits a start of the automatic braking control when a plurality of predetermined automatic braking control inhibition conditions are satisfied, wherein the predetermined automatic braking control inhibition conditions include a first condition that the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold and a second condition that the driving-force limiting apparatus is executing the driving-force limiting control.

17 . The vehicular braking/driving-force control apparatus as claimed in claim 11 , wherein
the cancellation function inhibits a start of the automatic braking control when a plurality of predetermined automatic braking control inhibition conditions are satisfied, wherein the predetermined automatic braking control inhibition conditions include a first condition that the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold and a second condition that the driving-force limiting apparatus is executing the driving-force limiting control.

18 . The vehicular braking/driving-force control apparatus as claimed in claim 12 , wherein
the cancellation function inhibits a start of the automatic braking control when a plurality of predetermined automatic braking control inhibition conditions are satisfied, wherein the predetermined automatic braking control inhibition conditions include a first condition that the accelerator pedal stepped-on amount is greater than or equal to the first predetermined threshold and a second condition that the driving-force limiting apparatus is executing the driving-force limiting control.

19 . The vehicular braking/drivi

Assignees

• Toyota Motor Co Ltd

Inventors

• Harada Hiroshi
• Taki Naoki
• Uechi Masaaki
• Kondo Kumiko
• Hayashi Hideaki
• Kimura Akio
• Sakaguchi Atsutoshi
• Kawasaki Toshifumi
• Futatsugi Tomohiko

Classifications

• B60W10/06

  including control of combustion engines · CPC title

• B60T8/175

  Brake regulation specially adapted to prevent excessive wheel spin during vehicle acceleration, e.g. for traction control (safety devices for propulsion unit control responsive to, or preventing, skidding of wheels B60K28/16) · CPC title

• B60W30/09 Primary

  Taking automatic action to avoid collision, e.g. braking and steering · CPC title

• B60W30/146

  Speed limiting · CPC title

• B60T2201/022

  Collision avoidance systems · CPC title