Method, apparatus, signals, and medium for managing power in a hybrid vehicle
First Claim
1. A method for managing power in a hybrid vehicle, the vehicle comprising an engine, an electric motor, and an energy storage element coupled to the motor, the method comprising:
- receiving a request to supply operating power to drive the vehicle;
responding to said request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs, such that said selected apportionment is associated with a minimum operating cost, said operating cost comprising at least an engine fuel consumption cost and a storage element lifetime cost; and
causing power to be supplied by at least one of the engine and the motor in accordance with said selected apportionment.
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Accused Products
Abstract
A method and apparatus for managing power in a hybrid vehicle is disclosed. The vehicle includes an engine, an electric motor, and an energy storage element coupled to the motor. The method involves receiving a request to supply operating power to drive the vehicle and responding to the request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs such that the selected apportionment is associated with a minimum operating cost, the operating cost including at least an engine fuel consumption cost and a storage element lifetime cost. The method further involves causing power to be supplied by at least one of the engine and the motor in accordance with the selected apportionment.
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Citations
42 Claims
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1. A method for managing power in a hybrid vehicle, the vehicle comprising an engine, an electric motor, and an energy storage element coupled to the motor, the method comprising:
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receiving a request to supply operating power to drive the vehicle; responding to said request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs, such that said selected apportionment is associated with a minimum operating cost, said operating cost comprising at least an engine fuel consumption cost and a storage element lifetime cost; and causing power to be supplied by at least one of the engine and the motor in accordance with said selected apportionment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13, 14, 15, 16, 17, 18, 19, 20)
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11-12. -12. (canceled)
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21. An apparatus for managing power in a hybrid vehicle, the vehicle comprising an engine, an electric motor, and an energy storage element coupled to the motor, the apparatus comprising:
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a processor circuit operably configured to receive a request to supply operating power to drive the vehicle; said processor circuit being operably configured to respond to said request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs such that said selected apportionment is associated with a minimum operating cost, said operating cost comprising at least an engine fuel consumption cost and a storage element lifetime cost; and said processor circuit being operably configured to cause power to be supplied by at least one of the engine and the motor in accordance with said selected apportionment.
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22-40. -40. (canceled)
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41. A computer readable medium encoded with codes for directing a processor circuit to carry out a method for managing power in a hybrid vehicle, the vehicle comprising an engine, an electric motor, and an energy storage element coupled to the motor, the method comprising:
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receiving a request to supply operating power to drive the vehicle; responding to said request by selecting an apportionment of operating power between the engine and the motor from among a plurality of apportionments having respective operating costs such that said selected apportionment is associated with a minimum operating cost, said operating cost comprising at least an engine fuel consumption cost and a storage element lifetime cost; and causing power to be supplied by at least one of the engine and the motor in accordance with said selected apportionment.
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42-62. -62. (canceled)
Specification