Method for vehicle creep torque control
First Claim
Patent Images
1. A method of controlling a creep torque in a vehicle having a powertrain configured to provide variable creep torque, the method comprising the steps of:
- (a) detecting a vehicle creep torque condition;
(b) determining a brake torque; and
(c) adjusting a creep torque applied by the powertrain based on the brake torque, wherein the applied creep torque is adjusted to zero when the brake torque is greater than a predetermined amount of brake torque.
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Abstract
A vehicle and a method of operation. The method of operating the vehicle may include a method of controlling a creep torque in a vehicle having a powertrain configured to provide variable creep torque. The method may comprise the steps of: detecting a vehicle creep torque condition, determining a brake torque, and adjusting a creep torque applied by the powertrain based on the brake torque.
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Citations
10 Claims
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1. A method of controlling a creep torque in a vehicle having a powertrain configured to provide variable creep torque, the method comprising the steps of:
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(a) detecting a vehicle creep torque condition; (b) determining a brake torque; and (c) adjusting a creep torque applied by the powertrain based on the brake torque, wherein the applied creep torque is adjusted to zero when the brake torque is greater than a predetermined amount of brake torque. - View Dependent Claims (2, 3, 4)
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5. A method of controlling a creep torque in a vehicle having a powertrain configured to provide variable creep torque, the method comprising the steps of:
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(a) detecting a vehicle creep torque condition; (b) determining a brake torque; (c) determining a new brake torque; (d) calculating a rate of change of brake torque based on the brake torque and the new brake torque; and (e) adjusting a creep torque applied by the powertrain based on the new brake torque and the rate of change of brake torque. - View Dependent Claims (6, 7, 8)
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9. A method of controlling a creep torque in a vehicle having a powertrain configured to provide variable creep torque, the method comprising the steps of:
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(a) detecting a vehicle creep torque condition; (b) determining a brake torque based on input from a brake position sensor that detects a position of a brake pedal; and (c) adjusting a creep torque applied by the powertrain based on the brake torque. - View Dependent Claims (10)
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Specification