Driver braking intention sensing system supporting failure operation and control method

The invention relates to the technical field of braking systems, in particular to a driver braking intention sensing system supporting failure operation and a control method. The method comprises the following steps: S1, comparing a second-path driver braking demand percentage calculated by a competition mechanism according to a pedal hydraulic pressure signal with a first-path driver braking demand percentage calculated by pedal travel driving software according to a pedal travel signal; s2, when the difference between the two paths is larger than a certain threshold value, pedal force driving software is used for calculating the brake demand percentage of a third path driver according to the pedal force signal for arbitration; and S3, averaging one of the first road and the second road closer to the third road together with the third road, and outputting and using as a final driver braking torque demand. Compared with the prior art, when an electronic and electrical system related to the brake pedal is subj