Method and Device for Swerve Assistance for a Motor Vehicle
US-2015367847-A1 · Dec 24, 2015 · US
Collision avoidance assistance device and collision avoidance assistance method
US9321484B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9321484-B2 |
| Application number | US-201314758895-A |
| Country | US |
| Kind code | B2 |
| Filing date | Feb 19, 2013 |
| Priority date | Feb 19, 2013 |
| Publication date | Apr 26, 2016 |
| Grant date | Apr 26, 2016 |
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- Title
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Abstract
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A collision avoidance assistance device includes a target control amount calculation unit configured to calculate a target control amount used for travelling on a target trajectory through which the vehicle passes, a first control amount calculation unit configured to calculate a first control amount to be applied by the first steering assistance system out of the target control amount, and output the first control amount to the first steering assistance system, and a second control amount calculation unit configured to calculate a second control amount to be applied by the second steering assistance system out of the target control amount, and output the second control amount to the second steering assistance system. The first control amount is set to be larger than the second control amount during a predetermined time period from a time of starting the collision avoidance assistance.
First claim
Opening claim text (preview).
The invention claimed is: 1. A collision avoidance assistance device configured to perform collision avoidance assistance by a first steering assistance system in which a reaction force is not generated against a steering wheel and a second steering assistance system in which a reaction force is generated against the steering wheel, the device comprising: a target control amount calculation unit configured to calculate a target control amount used for travelling on a target trajectory through which the vehicle passes; a first control amount calculation unit configured to calculate a first control amount to be applied by the first steering assistance system out of the target control amount, and output the first control amount to the first steering assistance system; and a second control amount calculation unit configured to calculate a second control amount to be applied by the second steering assistance system out of the target control amount, and output the second control amount to the second steering assistance system, wherein the first control amount is set to be larger than the second control amount during a predetermined time period from a time of starting the collision avoidance assistance. 2. The collision avoidance assistance device according to claim 1 , wherein the first control amount calculation unit outputs the first control amount to the first steering assistance system before the second control amount calculation unit outputs the second control amount to the second steering assistance system. 3. The collision avoidance assistance device according to claim 1 , wherein the first control amount calculation unit decreases a rate of the first control amount to the target control amount as the time passes. 4. The collision avoidance assistance device according to claim 1 , further comprising: a notification unit configured to notify of the fact that the collision avoidance assistance is operating. 5. The collision avoidance assistance device according to claim 4 , wherein the notification unit notifies of the direction of the target trajectory. 6. A collision avoidance assistance method for performing collision avoidance assistance by a first steering assistance system in which a reaction force is not generated against a steering wheel and a second steering assistance system in which a reaction force is generated against the steering wheel, the method comprising: a target control amount calculation step of calculating a target control amount used for travelling on a target trajectory through which the vehicle passes; a first control amount calculation step of calculating a first control amount to be applied by the first steering assistance system out of the target control amount, and outputting the first control amount to the first steering assistance system; and a second control amount calculation step of calculating a second control amount to be applied by the second steering assistance system out of the target control amount, and outputting the second control amount to the second steering assistance system, wherein the first control amount is set to be larger than the second control amount during a predetermined time period from a time of starting the collision avoidance assistance.
Assignees
Inventors
Classifications
- B62D15/0265Primary
Automatic obstacle avoidance by steering · CPC title
Controlling the motor · CPC title
computing target steering angles for front or rear wheels (B62D7/159 takes precedence) · CPC title
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Frequently asked questions
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- What does patent US9321484B2 cover?
- A collision avoidance assistance device includes a target control amount calculation unit configured to calculate a target control amount used for travelling on a target trajectory through which the vehicle passes, a first control amount calculation unit configured to calculate a first control amount to be applied by the first steering assistance system out of the target control amount, and out…
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification B62D15/0265. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Apr 26 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).