Research Article

Sensing and Quantifying a New Mechanism for Vehicle Brake Creep Groan

Table 1

Friction coefficient under 8 bar oil pressure.

Times123456AverageStandard deviation

Oil pressure (bar)7.677.677.657.667.657.657.660.0095
Maximum of tension (N)388.29391.04382.42393.20387.95398.53390.245.45
Minimum of tension (N)351.41356.03359.30360.47354.13358.50356.643.44
Static friction coefficient0.39870.40140.39360.40410.39910.41020.40120.0056
Dynamic friction coefficient0.36080.36540.36980.37050.36430.36900.36660.0038