Electric vehicle and control method thereof

摘要

The present invention relates to an electric vehicle and a control method thereof. According to the inventive electric vehicle and control method thereof, the state of a fuel cell that is a driving power of the electric vehicle can be sensed to determine whether the fuel cell system is normal or not, and output different sound sources according to the states of the fuel cell system so that the sound outputted as a driving sound while the electric vehicle runs may vary to allow a driver to recognize the state of the electric vehicle and a change in state of the fuel cell. Also, the awareness of difference in driving of the motor can be decreased through the sound outputted as the driving sound of the electric vehicle to improve the driver's satisfaction and allow pedestrians to more easily recognize approach of the electric vehicle.

主权项

1. An electric vehicle comprising:
a fuel cell system supplying electric energy to the electric vehicle; a controller determining a state of the fuel cell system corresponding to fuel cell information inputted from the fuel cell system; a sound source generating unit generating a sound source corresponding to the state of the fuel cell system based on a total harmonic distortion ratio determined by the controller or an impedance of a fuel cell stack of the fuel cell system determined by the controller; and a sound output unit outputting a predetermined sound as a driving sound of the electric vehicle corresponding to the sound source of the sound source generating unit, wherein the sound source generating unit generates different sound sources as the state of the fuel cell system varies.