Tire uniformity improvement through improved process harmonic resolution

The method of any preceding claim, wherein the uniformity measurements for each tire are obtained for the plurality of points about the tire at a first sampling resolution, the composite process harmonic sampling being associated with a second sampling resolution, the second sampling resolution being greater than the first sampling resolution.

The method of any preceding claim, wherein the composite process harmonic sampling comprises a waveform associated with one cycle of the candidate process effect.

The method of any preceding claim, wherein aligning, with the one or more computing devices, the uniformity measurements for the set of tires comprises:

• obtaining Fourier coefficients associated with the process harmonic for each tire;
• estimating a phase angle from the Fourier coefficients associated with the process harmonic for each tire;
• adjusting the Fourier coefficients associated with the process harmonic for each tire based at least in part on the phase angle to obtain adjusted Fourier coefficients.

The method of any preceding claim, wherein the plurality of tires in the set of tires are made in a similar manufacturing process such that the process harmonic will manifest in each of the plurality of tires in the set of tires.

The method of any preceding claim, wherein the uniformity parameter comprises one or more of radial run out (RRO), lateral run out (LRO), mass variance, balance, radial force variation (RFV), lateral force variation (LFV) and tangential force variation (TFV).

A system for improving the uniformity of tires, the system comprising:

• a uniformity measurement machine configured to measure a uniformity waveform for each tire in a plurality of tires, the uniformity waveform for each tire comprising a plurality of uniformity measurements of a uniformity parameter for a plurality of measurement points about the tire;
• and
• one or more computing devices coupled to the measurement machine, the one or more computing devices comprising one or more processors and at least one memory, the memory storing computer-readable instructions that when executed by the one or more processors cause the one or more processors to perform operations, the operations comprising one or more aspects of any of the methods of the preceding claims.