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Abstract

A method for monitoring the balancing of the wheels of a motor vehicle, comprising at least a phase of modeling a first sinusoidal theoretical acceleration signal of a first wheel and a second sinusoidal theoretical acceleration signal of a second wheel, a noise-measuring phase including, for the first wheel, calculating the difference between the value of each sample of the first raw acceleration signal and a corresponding theoretical value of the first theoretical acceleration signal, then measuring a first standard deviation for the calculated differences, and, for the second wheel, calculating the difference between the value of each sample of the second raw acceleration signal and a corresponding theoretical value of the second theoretical acceleration signal, then measuring a second standard deviation for the calculated differences, a first step of calculating reference averages including calculating a first reference average of the first standard deviations and a second reference average of the second standard deviations, a second step of calculating a first current average of the first standard deviations and a second current average of the second standard deviations, and a diagnostic step to calculate a first variation between the first current average and the first reference average and a second variation between the second current average and the second reference average in order to detect a possible relative unbalance of the wheels.

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