Automatic brake system for a vehicle
First Claim
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1. An automatic brake system for a vehicle comprising:
- a forward-monitoring unit that automatically detects an obstacle preceding the vehicle; and
a control unit that varies an assumed characteristic of manual steering operation in accordance with a condition of a path where the vehicle is traveling and executes an automatic braking control operation to avoid a potential collision with the obstacle, based on the assumed manual steering operation characteristic,wherein the assumed manual steering operation characteristic that is varied comprises at least one of a maximum steering angle and a steering speed.
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Abstract
An automatic brake system for a vehicle is disclosed. Based on a possibility that a potential collision with an obstacle preceding the vehicle can avoided by braking, and a possibility that the potential collision can be avoided by steering, the system automatically controls a braking operation for collision-avoidance. A condition of starting the automatic braking operation and a characteristics of the operation are determined based on calculation or estimation of a condition of the path where the vehicle is traveling, such as a relative speed, widths of spaces on sides of the obstacle, and steering characteristics.
29 Citations
21 Claims
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1. An automatic brake system for a vehicle comprising:
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a forward-monitoring unit that automatically detects an obstacle preceding the vehicle; and a control unit that varies an assumed characteristic of manual steering operation in accordance with a condition of a path where the vehicle is traveling and executes an automatic braking control operation to avoid a potential collision with the obstacle, based on the assumed manual steering operation characteristic, wherein the assumed manual steering operation characteristic that is varied comprises at least one of a maximum steering angle and a steering speed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An automatic brake system for a vehicle comprising:
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forward-monitoring means for automatically detecting an obstacle preceding the vehicle; and control means for varying an assumed characteristic of manual steering operation in accordance with a condition of a path where the vehicle is traveling and executing an automatic braking control operation to avoid a potential collision with the obstacle, based on the assumed manual steering operation characteristic, wherein the assumed manual steering operation characteristic that is varied comprises at least one of a maximum steering angle and a steering speed.
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9. An automatic brake system for a vehicle comprising:
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a forward-monitoring unit that automatically detects an obstacle preceding the vehicle, and a geometrical relationship among the vehicle, the obstacle and a path where the vehicle is traveling; a control unit that varies an assumed characteristic of manual steering operation in accordance with a condition of the path where the vehicle is traveling and executes an automatic braking control operation to avoid a potential collision with the obstacle, based on the assumed manual steering operation characteristic and the geometrical relationship; and a brake control unit that generates a braking force according to the automatic braking control operation determined by the control unit, wherein the assumed manual steering operation characteristic that is varied comprises at least one of a maximum steering angle and a steering speed. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification