Apparatus and method for controlling vehicle behavior
First Claim
1. A vehicle behavior control apparatus comprising:
- a road shape recognizing unit for recognizing the road shape ahead of a vehicle;
a first target yaw rate setting unit for setting a first target yaw rate on the basis of said road shape;
a second target yaw rate setting unit for setting a second target yaw rate on the basis of driving conditions of the vehicle;
a target yaw rate correcting unit for correcting said second target yaw rate on the basis of said first target yaw rate; and
a braking force setting unit for applying a braking force to a selected wheel so that an actual yaw rate converges into the second target yaw rate corrected by said target yaw rate correcting unit.
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Abstract
A target yaw rate setting unit of a control characteristics changing unit computes a first target yaw rate based on the radius of curvature of a curve. A target yaw rate setting unit of a braking force control unit computes a second target yaw rate based on driving conditions. When a cornering decision unit decides a turning intention, if the absolute value of the first target yaw rate is larger than the absolute value of the second target yaw rate, the second target yaw rate is corrected with the first target yaw rate, and the corrected second target yaw rate is outputted to a target yaw rate changing unit. A braking force control unit controls the braking force with the second target yaw rate corrected.
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Citations
12 Claims
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1. A vehicle behavior control apparatus comprising:
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a road shape recognizing unit for recognizing the road shape ahead of a vehicle;
a first target yaw rate setting unit for setting a first target yaw rate on the basis of said road shape;
a second target yaw rate setting unit for setting a second target yaw rate on the basis of driving conditions of the vehicle;
a target yaw rate correcting unit for correcting said second target yaw rate on the basis of said first target yaw rate; and
a braking force setting unit for applying a braking force to a selected wheel so that an actual yaw rate converges into the second target yaw rate corrected by said target yaw rate correcting unit. - View Dependent Claims (2, 5)
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3. A vehicle behavior control apparatus comprising:
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a road shape recognizing unit for recognizing the road shape ahead of a vehicle;
a first target yaw rate setting unit for setting a first target yaw rate on the basis of said road shape;
a second target yaw rate setting unit for setting a second target yaw rate on the basis of the driving conditions of the vehicle;
a target yaw rate correcting unit for correcting said second target yaw rate on the basis of said first target yaw rate; and
a driving force distribution unit for setting the driving force distribution to left and right wheels so that an actual yaw rate converges into the second target yaw rate corrected by said target yaw rate correcting unit. - View Dependent Claims (4, 6)
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7. A vehicle behavior control method comprising:
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recognizing the road shape ahead of a vehicle;
setting a first target yaw rate on the basis of said road shape;
setting a second target yaw rate on the basis of the driving conditions of the vehicle;
correcting said second target yaw rate on the basis of said first target yaw rate; and
applying a braking force to a selected wheel so that an actual yaw rate converges into the corrected second target yaw rate. - View Dependent Claims (8, 11)
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9. A vehicle behavior control method comprising:
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recognizing the road shape ahead of a vehicle;
setting a first target yaw rate on the basis of said road shape;
setting a second target yaw rate on the basis of the driving conditions of the vehicle;
correcting said second target yaw rate on the basis of said first target yaw rate; and
setting the driving force distribution to left and right wheels so that an actual yaw rate converges into the corrected second target yaw rate. - View Dependent Claims (10, 12)
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Specification