System and method for adaptive battery charge and discharge rates and limits on known routes
First Claim
1. A method for adaptively adjusting a discharge rate of a battery based on a driving route of a vehicle, the method comprising:
- storing, in a memory, a driving route having a plurality of segments and a plurality of discharge rates of the battery each corresponding to at least one of the plurality of segments and having been detected during a previous trip of the vehicle along the at least one of the plurality of segments;
detecting, by a GPS unit, a current location of the vehicle;
calculating, using a processor, an optimal discharge rate of the battery for the driving route that is different than a standard discharge rate of the battery and is based on the stored plurality of segments, the stored plurality of discharge rates and the current location of the vehicle; and
requesting, by the processor, the battery to discharge at the optimal discharge rate for at least one segment of the route.
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Abstract
A system and a method for adaptively adjusting a charge and/or discharge rate and a limit of a battery based on a known driving route are described. The method includes storing, in a memory, a known driving route having a plurality of segments, where each segment has a corresponding discharge rate of the battery which was obtained from a previous trip of the vehicle along the same segment. The method also includes calculating, using a processor, an optimal discharge rate for the known driving route, and applying, using the processor, the optimal discharge rate of the vehicle to each segment of the route.
88 Citations
21 Claims
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1. A method for adaptively adjusting a discharge rate of a battery based on a driving route of a vehicle, the method comprising:
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storing, in a memory, a driving route having a plurality of segments and a plurality of discharge rates of the battery each corresponding to at least one of the plurality of segments and having been detected during a previous trip of the vehicle along the at least one of the plurality of segments; detecting, by a GPS unit, a current location of the vehicle; calculating, using a processor, an optimal discharge rate of the battery for the driving route that is different than a standard discharge rate of the battery and is based on the stored plurality of segments, the stored plurality of discharge rates and the current location of the vehicle; and requesting, by the processor, the battery to discharge at the optimal discharge rate for at least one segment of the route. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for adaptively adjusting a maximum discharge rate limit of a battery based on a driving route, the method comprising:
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storing, in a memory; a segment of a driving route associated with a high power request, a duration of a power request of a battery during a previous trip of the vehicle along the segment, and an amount of power requested from the battery during a previous trip of the vehicle along the segment; detecting, by a GPS unit, a current location of the vehicle; calculating, using a processor, a maximum discharge rate limit of the battery for the segment that is different than a standard discharge rate of the battery and is based on the stored segment, the stored duration of the power request, the stored amount of power requested from the battery and the current location of the vehicle; and requesting, by the processor, the battery to discharge at a rate that is less than or equal to the maximum discharge rate limit while the vehicle is traveling along the segment. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method for adaptively adjusting a maximum charge rate limit of a battery based on a driving route, the method comprising:
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storing, in a memory; a segment of a driving route associated with a high charging request, a duration of a charging request of a battery during a previous trip of the vehicle along the segment, and an amount of charging requested from the battery during a previous trip of the vehicle along the segment; detecting, by a GPS, a current location of the vehicle; calculating, using a processor, a maximum charge rate limit of the battery for the segment that is different than a standard charge rate of the battery and is based on the stored segment, the stored duration of the charging request, the stored amount of charging requested from the battery and the current location of the vehicle; and requesting, by the processor, the battery to discharge at a rate that is less than or equal to the maximum discharge rate limit while the vehicle is traveling along the segment. - View Dependent Claims (17, 18, 19, 20)
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21. A method for adaptively adjusting a discharge rate of a battery based on a known driving route of a vehicle, the method comprising:
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selecting, using a processor, at least one candidate route; assigning, using the processor, a route weight for each of the candidate routes; predicting, using the processor, a predicted route by selecting the candidate route with the highest route weight; storing, in a memory, a driving route having a plurality of segments and a plurality of discharge rates of the battery that each corresponding to at least one of the plurality of segments and having been detected during a previous trip of the vehicle along the at least one of the plurality of segments; calculating, using a processor, an optimal discharge rate for the predicted driving route based on the stored driving route and the plurality of discharge rates of the battery; and requesting, by the processor, the battery to discharge at the optimal discharge rate for at least one segment of the route.
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Specification