METHODS AND SYSTEMS FOR A VEHICLE DRIVELINE CONTROL DURING VARYING DRIVING CONDITIONS
First Claim
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1. A method of adjusting operation of a hybrid vehicle, comprising:
- adjusting a schedule for automatically stopping engine rotation in response to a road condition of a driving surface, including maintaining engine idling decoupled from a vehicle driveline instead of completely stopping the engine when road conditions have degraded.
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Abstract
Systems and methods for improving operation of a hybrid vehicle are presented. In one example, driveline operating modes may be adjusted in response to driving surface conditions. The approaches may improve vehicle drivability and reduce driveline degradation.
1 Citation
19 Claims
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1. A method of adjusting operation of a hybrid vehicle, comprising:
adjusting a schedule for automatically stopping engine rotation in response to a road condition of a driving surface, including maintaining engine idling decoupled from a vehicle driveline instead of completely stopping the engine when road conditions have degraded. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of adjusting operation of a hybrid vehicle, comprising:
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adjusting a first schedule for automatically idling an engine and decoupling the engine via a disconnect clutch from a driveline in response to a condition of a driving surface; stopping rotation of the engine in response to the condition of the driving surface; and
battery state of charge compared to a threshold, the threshold based on deceleration conditions. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A method of adjusting operation of a hybrid vehicle, comprising:
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adjusting operation of a driveline disconnect clutch positioned in a hybrid vehicle driveline in response to a closing rate of an obstruction in a path of the hybrid vehicle; and automatically stopping engine rotation in response to deceleration and battery state of charge. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification