DRIVING ASSISTANT METHOD AND SYSTEM FOR ELECTRIC VEHICLE
First Claim
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1. A driving assistant method for an electric vehicle, comprising:
- when the electric vehicle is started up, calculating and displaying a battery energy safe driving region of the electric vehicle according to driving information of the electric vehicle, wherein the driving information comprises battery information of the electric vehicle; and
dynamically updating the battery energy safe driving region according to the driving information of the electric vehicle.
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Abstract
A driving assistant method for an electric vehicle is provided with the following steps. When the electric vehicle is started up, a battery energy safe driving region is calculated and displayed. The battery energy safe driving region is updated dynamically according to vehicle information. The vehicle information includes battery information of the electric vehicle.
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Citations
34 Claims
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1. A driving assistant method for an electric vehicle, comprising:
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when the electric vehicle is started up, calculating and displaying a battery energy safe driving region of the electric vehicle according to driving information of the electric vehicle, wherein the driving information comprises battery information of the electric vehicle; and dynamically updating the battery energy safe driving region according to the driving information of the electric vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A driving assistant method for an electric vehicle, comprising:
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a electricity supplying station selecting step, for setting a selection region comprising at least one electricity supplying station for the electric vehicle, and finding the at least one electricity supplying station within the selection region; a coverage region calculating step, for calculating energy consumption per unit distance of the electric vehicle according to driving information of the electric vehicle, and taking the at least one electricity supplying station as a center to estimate a region that the electric vehicle is capable of returning back along different directions to serve as at least one safe coverage region, and estimate a region capable of being reached by the electric vehicle to serve as at least one warning coverage region, and uniting the at least one safe coverage region to obtain a battery energy safe driving region, and uniting the at least one warning coverage region to obtain a battery energy warning driving region; a dynamic updating step, for dynamically updating the battery energy safe driving region and the battery energy warning driving region according to the driving information; and a display step, for displaying the updated battery energy safe driving region, and the updated battery energy warning driving region. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A driving assistant system for an electric vehicle, comprising:
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a driving information collecting unit, for receiving driving information through at least one sensor installed in the electric vehicle, wherein the driving information comprises at least one of battery information, positioning information, map information and traffic information of the electric vehicle; an input unit, for receiving trip related information, wherein the trip related information comprises a first pre-proposed selection region; a selection region calculating unit, connected to the driving information collecting unit and the input unit, for receiving the first pre-proposed selection region or calculating a second pre-proposed selection region according to the driving information as a selection region, and finding at least one electricity supplying station within the selection region; a coverage region calculating unit, connected to the driving information collecting unit, the input unit and the selection region calculating unit, for taking the at least one electricity supplying station as a center to calculate a region that the electric vehicle is capable of returning back to the at least one electricity supplying station under current battery energy of the electric vehicle according to the driving information to serve as at least one safe coverage region, and calculate a maximum region capable of being reached by the electric vehicle to serve as at least one warning coverage region, and uniting the at least one safe coverage region to obtain a battery energy safe driving region of the electric vehicle, and uniting the at least one warning coverage region to obtain a battery energy warning driving region of the electric vehicle; and a display device, connected to the driving information collecting unit, the input unit and the coverage region calculating unit, for displaying the battery energy safe driving region and the battery energy warning driving region. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34)
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Specification