Gm Global Technolgoy Operations, Inc.

Turjo Imam

Nojan Medinei

Stacey M Marmara

Hung H Nguyen

Michael Lawrence Mandziuk

A method for performing a data validity assessment for a brake pad wear estimation includes providing an electric park brake assembly including a motor and a battery management sensor, receiving motor current data from the motor of the electric park brake assembly, receiving battery current data from the battery management sensor, determining a margin of current from the motor current data and the battery current data, receiving historical motor position data and instant motor position data of the motor, calculating the brake pad wear estimation using the motor current data, comparing the historical motor position data and the instant motor position data against an expected range of motor positions, determining an electromagnetic interference level from the margin of current, the historical and instant motor position data, and the calculated brake pad wear estimation, and discarding the motor current data when the electromagnetic interference level is above a predetermined threshold.

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Turjo Imam