Method of automotive electrical bus management
First Claim
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1. A method for controlling a vehicle electrical power system, comprising:
- determining a state of charge (“
SOC”
) of a battery;
comparing said SOC of said battery to a SOC threshold; and
controlling a current produced by an alternator, wherein;
if said SOC is less than said SOC threshold, said current produced by said alternator is substantially equal to a sum of a first current and a second current, wherein said first current approximates that required to power a vehicle load and wherein said second current approximates a preset charging current; and
if said SOC is greater than said SOC threshold, said current produced by said alternator is substantially equal to said first current.
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Abstract
A method for managing a vehicle'"'"'s electrical power bus and charging system. A current sensor is utilized to measure a current produced by an alternator. The alternator current is controlled in a feedback system such that the current is equal to the amount required for the vehicle loads or, if the battery is being charged, the amount required for the vehicle loads plus the optimum charging current. Alternatively, the method may measure and control the amount of current delivered to and from the battery such that, in a fuel efficiency mode, no current is delivered to the battery.
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Citations
20 Claims
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1. A method for controlling a vehicle electrical power system, comprising:
-
determining a state of charge (“
SOC”
) of a battery;comparing said SOC of said battery to a SOC threshold; and controlling a current produced by an alternator, wherein; if said SOC is less than said SOC threshold, said current produced by said alternator is substantially equal to a sum of a first current and a second current, wherein said first current approximates that required to power a vehicle load and wherein said second current approximates a preset charging current; and if said SOC is greater than said SOC threshold, said current produced by said alternator is substantially equal to said first current. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification