DEVICE FOR PERFORMING ENERGY MANAGEMENT IN AN ELECTRIC VEHICLE
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Abstract
A device for performing energy management in an electric vehicle which can be driven at least partially by an electric machine which can be supplied with electrical energy by a rechargeable battery, wherein the state of charge (SOC) of the rechargeable battery varies during charging and discharging, includes a driver-type recognition device for determining the driver-type (I, II). The driver-type recognition device monitors the discharge process of the rechargeable battery during driving and recognizes the driver-type (I, II) therefrom.
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Citations
22 Claims
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1-10. -10. (canceled)
- 11. A device for performing energy management in an electric vehicle, wherein the electric vehicle comprises an electric machine for at least partially driving the vehicle and a rechargeable battery supplying electrical power to the electrical machine, the device comprising a driver-type recognition device configured to monitor a discharge process of the rechargeable battery during a driving operation, the driver-type recognition device comprising a measuring device configured to measure a temporal course of a state of charge (SOC) of the rechargeable battery, wherein the state of charge (SOC) of the rechargeable battery varies during a charge process and the discharge process and is correlated with the battery voltage, wherein brief voltage drops occur in the temporal course of the battery voltage as a result of high power demands from a driver, wherein the measuring device measures at least one of a magnitude, a duration and a number of the voltage drops occurring during a driving interval, and the driver-type recognition device determines therefrom a driver-type.
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17. A method for performing energy management in an electric vehicle,
wherein the electric vehicle comprises an electric machine for at least partially driving the vehicle and a rechargeable battery supplying electrical power to the electrical machine, the method comprising the steps of: -
monitoring a discharge process of the rechargeable battery during a driving operation, measuring a temporal course of a state of charge (SOC) of the rechargeable battery, wherein the state of charge (SOC) of the rechargeable battery varies during a charge process and the discharge process and is correlated with the battery voltage, measuring at least one of a magnitude, a duration and a number of brief voltage drops in the temporal course of the battery voltage during a driving interval as a result of high power demands from a driver, and determining a driver-type from the measured at least one magnitude, duration and number of brief voltage drops. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification