METHOD FOR PROVIDING INFORMATION RELATING TO THE OPERATIONAL STATE OF A MOTOR VEHICLE TO A DRIVER AND MOTOR VEHICLE HAVING A CONTROL UNIT FOR CARRYING OUT THE METHOD
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Abstract
A method provides information relating to the operational state of a motor vehicle to a driver. The motor vehicle has at least one electric motor operating with a fixed gear ratio for driving the motor vehicle. During operation of the electric motor a virtual speed and a virtual gear-shift stage are continuously determined from at least one first operating parameter describing the operational state of the motor vehicle and an acoustic output, in particular an output of an engine noise, takes place on the basis of the virtual speed and the virtual gear-shift stage.
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Citations
34 Claims
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1-12. -12. (canceled)
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13. A method for providing information to a driver relating to an operational state of a motor vehicle having an electric motor to drive the motor vehicle with a fixed transmission ratio, comprising:
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during operation of the electric motor, continuously determining a virtual rotational speed and a virtual gear-shift stage from a first operational parameter describing the operational state of the motor vehicle; limiting or expanding a predefined range of operating states of the electric motor within which the electric motor can be operated, as a function of a second operational parameter describing the operational state of the motor vehicle, the second operational parameter being different from the first operational parameter; modifying the virtual rotational speed and the virtual gear-shift stage to produce a virtual modified rotational speed and a virtual modified gear-shift stage, the virtual rotational speed and the virtual gear-shift stage being modified as a function of the second operational parameter; and producing an acoustic output as a function of the virtual modified rotational speed and the virtual modified gear-shift stage. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A motor vehicle, comprising:
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an electric motor which operates with a fixed transmission ratio to drive the motor vehicle; an acoustic output device; and a control device to provide information to a driver relating to an operational state of a motor vehicle, to; continuously determine, during operation of the electric motor, a virtual rotational speed and a virtual gear-shift stage from a first operational parameter describing the operational state of the motor vehicle; limit or expand a predefined range of operating states of the electric motor within which the electric motor can be operated, as a function of a second operational parameter describing the operational state of the motor vehicle, the second operational parameter being different from the first operational parameter; modify the virtual rotational speed and the virtual gear-shift stage to produce a virtual modified rotational speed and a virtual modified gear-shift stage, the virtual rotational speed and the virtual gear-shift stage being modified as a function of the second operational parameter; and produce an acoustic output as a function of the virtual modified rotational speed and the virtual modified gear-shift stage.
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Specification