Control apparatus for vehicle

Patent metadata

Field	Value
Publication number	US-9783195-B2
Application number	US-201615008052-A
Country	US
Kind code	B2
Filing date	Jan 27, 2016
Priority date	Feb 3, 2015
Publication date	Oct 10, 2017
Grant date	Oct 10, 2017

Abstract

A control apparatus for a vehicle includes a controller configured to (i) calculate, based on a distance and a relative speed between a host vehicle and a forward obstacle, a collision prediction time of a collision between the forward obstacle and the host vehicle; (ii) execute a predetermined control when the collision prediction time is less than or equal to a predetermined threshold, the predetermined control reducing a probability of the collision between the forward obstacle and the host vehicle, and (iii) decrease the predetermined threshold, when an accelerator pedal releasing operation is performed under a situation where the forward obstacle exists, depending on a first distance between the host vehicle and the forward obstacle at a time at which the accelerator pedal releasing operation is performed.

First claim

What is claimed is:

1. A controller for a vehicle, the controller performing, upon there being a probability of a collision between a forward obstacle and a host vehicle, a predetermined control that reduces the probability of the collision, wherein
the controller delays a timing of executing the predetermined control such that the timing is delayed under a situation in which an accelerator pedal releasing operation is performed while a parameter is within a range compared to when the parameter is not within the range, the range having an upper limit value thereof, the parameter being
(1) a distance between the host vehicle and a current position of the forward obstacle;
(2) a first time corresponding to the distance between the host vehicle and the forward obstacle divided by a current host vehicle speed; or
(3) a second time corresponding to the distance between the host vehicle and the forward obstacle divided by a current relative speed between the host vehicle and the forward obstacle.

2. The controller of claim 1 , wherein the predetermined control includes sounding of an alarm.

3. The controller of claim 1 , wherein the predetermined control includes actuating brakes of the vehicle.

Assignees

• Toyota Motor Co Ltd

Inventors

• Ikuta Tetsuya
• Matsunaga Yasutaka
• Komai Sho
• Hoshikawa Yuma

Classifications

• B60W30/08 Primary

  Active safety systems} predicting or avoiding probable or impending collision {or attempting to minimise its consequences · CPC title

• B60W30/09 Primary

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

• G06F17/10

  Complex mathematical operations {(function generation by table look-up G06F1/03; evaluation of elementary functions by calculation G06F7/544)} · CPC title

• B60W2554/00

  Input parameters relating to objects · CPC title

• B60W2554/804

  Relative longitudinal speed · CPC title