OUTPUT TORQUE RATE LIMITING BASED ON A REQUEST BUSYNESS INDICATOR THAT CONSIDERS THE RECENT TIME HISTORY OF THE OUTPUT TORQUE REQUEST
First Claim
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1. Method for controlling torque in a vehicle, comprising:
- monitoring a plurality of factors associated with an output torque request in response to an output torque request rate of change exceeding a predetermined threshold; and
controlling rate limiting of a delivered output torque to achieve the output torque request rate of change based on the plurality of factors associated with the output torque request.
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Abstract
A method for controlling torque in a vehicle including monitoring a plurality of factors associated with an output torque request in response to an output torque request rate of change exceeding a predetermined threshold, and controlling rate limiting of a delivered output torque to achieve the output torque request rate of change based on the plurality of factors associated with the output torque request.
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Citations
18 Claims
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1. Method for controlling torque in a vehicle, comprising:
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monitoring a plurality of factors associated with an output torque request in response to an output torque request rate of change exceeding a predetermined threshold; and controlling rate limiting of a delivered output torque to achieve the output torque request rate of change based on the plurality of factors associated with the output torque request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. Method for controlling torque in a vehicle powertrain in response to an operator torque request rate of change, comprising:
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monitoring a request busyness indicator corresponding to recent steadiness of the operator torque request rate of change comprising; monitoring an elapsed time beginning when the output torque request rate of change was detected; monitoring a magnitude of change of the operator torque request; monitoring an operator torque request time rate of change; and controlling a delivered output torque time rate of change to achieve the operator torque request rate of change based on the request busyness indicator. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. Apparatus for controlling torque in a vehicle in response to an operator torque request rate of change, comprising:
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a control module; monitoring a request busyness indicator corresponding to recent steadiness of the operator torque request rate of change comprising; monitoring an elapsed time beginning when the output torque request rate of change was detected; monitoring a magnitude of change of the operator torque request; and monitoring an operator torque request time rate of change; and controlling a delivered output torque time rate of change to achieve the operator torque request rate of change based on the request busyness indicator.
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Specification