Method and device for limiting transversal acceleration in a motor vehicle
First Claim
1. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
- 1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, 3) determining the transverse acceleration, wherein determining the transverse acceleration includes determining the wheel speeds of vehicle wheels, and 4) comparing the determined transverse acceleration with a threshold value for detecting a driving condition with a critical transverse acceleration, and wherein the driving condition with a critical transverse acceleration is detected when the determined transverse acceleration exceeds the threshold value.
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Abstract
A method for limiting the transverse acceleration of a traveling vehicle consisting of the steps: detection of a driving condition with a critical transverse acceleration, influencing the braking pressure on at least one wheel, and/or influencing the driving torque when the driving condition having a critical transverse acceleration has been detected. A device for limiting the transverse acceleration of a traveling vehicle has a detection device for detecting a driving condition with a critical transverse acceleration, and an influencing device for influencing the braking pressure on at least one wheel and/or for influencing the driving torque when the detection device has detected a driving condition with a critical transverse acceleration.
81 Citations
21 Claims
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1. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
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1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, 3) determining the transverse acceleration, wherein determining the transverse acceleration includes determining the wheel speeds of vehicle wheels, and 4) comparing the determined transverse acceleration with a threshold value for detecting a driving condition with a critical transverse acceleration, and wherein the driving condition with a critical transverse acceleration is detected when the determined transverse acceleration exceeds the threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
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1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, 3) determining the wheel slip values, and 4) comparing said wheel slip values to at least one of a plurality of threshold values for detecting a driving condition with a critical transverse acceleration wherein the driving condition having a critical transverse acceleration is detected when the wheel slip values on the bend-inward wheels are in excess of a first threshold value and the wheel slip values on the bend-outward wheels are below a second threshold value.
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9. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
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1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, and 3) initiating a braking pressure increase or a driving torque decrease when a driving condition with a critical transverse acceleration has been detected, wherein the braking pressure changes include initiating symmetrical braking pressure changes on one axle.
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10. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
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1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, and 3) understeering the vehicle when a driving condition with a critical transverse acceleration has been detected, wherein the understeering is achieved by building up different brake forces on the two vehicle sides or by a controlled development of a yawing torque.
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11. A method of limiting the transverse acceleration of a traveling vehicle, comprising the steps of:
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1) detecting a driving condition having a critical transverse acceleration, 2) influencing the braking pressure on at least one wheel or influencing the driving torque when the driving condition with a critical transverse acceleration has been detected, and 3) effecting the reduction of the transverse acceleration by an active braking pressure increase on the front axle for limiting the cornering forces on the front axle.
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12. A device for limiting the transverse acceleration of a traveling vehicle, comprising:
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a detection device for detecting a driving condition with a critical transverse acceleration, and an influencing device for influencing the braking pressure on at least one wheel or for influencing the driving torque when the detection device has detected a driving condition with a critical transverse acceleration, wherein the detector device includes a first determining device for determining the transverse acceleration and a first comparison device for comparing the determined transverse acceleration with a threshold value, and wherein the first determining device operates in response to signals from wheel sensors. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A device for limiting the transverse acceleration of a traveling vehicle, comprising:
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a detection device for detecting a driving condition with a critical transverse acceleration, and an influencing device for influencing the braking pressure on at least one wheel or for influencing the driving torque when the detection device has detected a driving condition with a critical transverse acceleration, wherein the influencing device initiates a braking pressure increase or a driving torque decrease when a driving condition with a critical transverse acceleration has been detected and in the absence of braking or partial braking and initiates symmetrical braking pressure variations on one axle and issues at least one signal which indicates the critical transverse acceleration to a control unit.
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21. A device for limiting the transverse acceleration of a traveling vehicle, comprising:
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a detection device for detecting a driving condition with a critical transverse acceleration, and an influencing device for influencing the braking pressure on at least one wheel or for influencing the driving torque when the detection device has detected a driving condition with a critical transverse acceleration, and a device which permits an active braking pressure build-up.
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Specification