Method and Device for Planning a Travel Route for a Vehicle
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Abstract
A method for planning a travel route for a vehicle including an energy storage unit includes a) transmitting a destination sequence to an arithmetic logic unit coupled to a data memory storing data concerning a road network, b) calculating a route sequence for the destination sequence, c) calculating a projected amount of energy remaining in the energy storage unit for the route sequence, d) ascertaining, at least for one destination in the destination sequence, based on the projected amount of energy remaining, the road network and a projected energy consumption, points in the road network still reachable from this destination with the projected amount of energy remaining, and e) generating, for at least the one destination, a graphic map depiction in which this destination and the points in the road network still reachable from this destination are visually represented. A corresponding device for carrying out the method is also described.
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Citations
18 Claims
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1-9. -9. (canceled)
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10. A method for planning a travel route for a vehicle including an energy storage unit for storing energy to power the vehicle, comprising:
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transmitting a destination sequence for the travel route to be planned to an arithmetic logic unit coupled to a data memory in which data concerning a road network for the vehicle is stored, calculating, by the arithmetic logic unit, a route sequence which connects destinations in the destination sequence, calculating a projected remaining amount of energy in the energy storage unit for traveling the route sequence, ascertaining, at least for a geographical position of the vehicle at one destination of the destinations in the destination sequence, based on the projected remaining amount of energy in the energy storage unit of the vehicle, the stored road network and a projected energy consumption in traveling the road network, points in the road network which are still reachable from the one destination with the projected remaining amount of energy at the one destination, and generating, for at least the one destination in the destination sequence, a graphic map depiction in which the geographical position of the one destination and the points in the road network which are still reachable from the one destination with the projected remaining amount of energy of the vehicle at the one destination are visually represented. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A device for planning a travel route for a vehicle including an energy storage unit for storing energy to power the vehicle, comprising:
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an arithmetic logic unit, a data memory, coupled to the arithmetic logic unit, in which data concerning a road network for the vehicle is stored, an interface coupled to the arithmetic logic unit and adapted to transmit a destination sequence for the travel route to be planned to the arithmetic logic unit, and an output unit coupled to the arithmetic logic unit, wherein the arithmetic logic unit is adapted to; calculate a projected remaining amount of energy in the energy storage unit for traveling the route sequence, ascertain, at least for a geographical position of the vehicle at one destination of destinations in the destination sequence, based on the projected remaining amount of energy in the energy storage unit of the vehicle, the stored road network and a projected energy consumption in traveling the road network, points in the road network which are still reachable from the one destination with the projected remaining amount of energy at the one destination, and generate and output, by the output unit, for at least the one destination in the destination sequence, a graphic map depiction, in which the geographical position of the one destination and the points in the road network which are still reachable from the one destination with the projected remaining amount of energy of the vehicle at the one destination are visually represented. - View Dependent Claims (18)
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Specification