Battery State of Function Prediction with Self-Learning
First Claim
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1. A system for a vehicle having an engine and a battery, comprising:
- a memory having a predicted current expected to be provided by the battery for restarting the engine during a cranking event; and
a controller configured to predict a minimum voltage of the battery expected during the cranking event based on the predicted current and to update the predicted current in the memory as a function of the predicted current and an actual current actually provided by the battery for restarting the engine during the cranking event.
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Abstract
A system for a vehicle having an engine and a battery includes a memory and a controller. The memory has a predicted current expected to be provided by the battery for restarting the engine during a cranking event. The controller is configured to predict a minimum voltage of the battery expected during the cranking event based on the predicted current and to update the predicted current in the memory as a function of the predicted current and an actual current actually provided by the battery for restarting the engine during the cranking event.
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Citations
20 Claims
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1. A system for a vehicle having an engine and a battery, comprising:
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a memory having a predicted current expected to be provided by the battery for restarting the engine during a cranking event; and a controller configured to predict a minimum voltage of the battery expected during the cranking event based on the predicted current and to update the predicted current in the memory as a function of the predicted current and an actual current actually provided by the battery for restarting the engine during the cranking event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for a vehicle having an engine and a battery, comprising:
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a memory having a predicted current expected to be provided by the battery for restarting the engine during a cranking event; and a controller configured to predict a minimum voltage of the battery expected during the cranking event based on the predicted current and to update the predicted current in the memory as a function of the predicted current weighed by a factor α and
an actual current actually provided by the battery for restarting the engine during the cranking event weighted by a factor (1−
α
), where 0<
α
<
1. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A method for a vehicle having an engine and a battery, comprising:
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obtaining from a memory a predicted current expected to be provided by the battery for restarting the engine during a cranking event; predicting a minimum voltage of the battery expected during the cranking event based on the predicted current; and updating the predicted current in the memory as a function of the predicted current and an actual current actually provided by the battery for restarting the engine during the cranking event. - View Dependent Claims (19, 20)
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Specification