Electromagnetic braking device, control method thereof and electric automobile

The invention discloses an electromagnetic braking device, a control method thereof and an electric automobile, the electromagnetic braking device is used for the electric automobile, and the electromagnetic braking device comprises a braking assembly, a detection assembly and a control assembly; the braking assembly comprises a motor and a pulse generator, the motor comprises a motor rotor and a motor stator, the pulse generator comprises a generator rotor and a generator stator, the motor stator and the generator stator are both used for being installed on a chassis of the electric automobile, and an iron core of the motor rotor and an iron core of the generator rotor are arranged in an overlapped mode. The motor rotor and the generator rotor are both used for driving a wheel shaft connected to the electric automobile; the detection assembly comprises a first detection part and a second detection part, the first detection part is used for detecting brake pedal treading information of the electric automobile