Intelligent auxiliary steering system and control method thereof

The invention discloses an intelligent auxiliary steering system and a control method thereof. The intelligent auxiliary steering system comprises a steering wheel, a rotating angle sensor, an automobile speed sensor, a lateral acceleration sensor, an upper steering column, a lower steering column, a double-planetary-gear mechanism, a worm wheel and worm mechanism, a speed reduction mechanism, a gear and rack steering device, a front shaft, two braking wheels, a first clutch, a second clutch, a first motor, a second motor, an ECU, an upper steering column electromagnetic lock and a planet carrier electromagnetic lock. During working, according to different working modes and automobile states, the first motor and the second motor exert different functions. According to the intelligent auxiliary steering system and the control method thereof, automatic steering and manual steering can be achieved, the function of the steering system is expanded, the road feeling of a driver is improved,and the operation stabili