Patent Document ID: 9120356
Application ID: 13534043
Patent Flag: 1

Claim One:
1. A method of estimating a load bearing on a vehicle tire, comprising: (A) deploying a deformation measuring sensor in the vehicle tire, the deformation measuring sensor generating a cyclical tire deformation signal indicative of tire deformation in a contact patch of a rolling tire; (B) deploying a tire inflation pressure measuring sensor in the vehicle tire, the inflation pressure measuring sensor measuring tire inflation pressure from within a tire cavity; calculating a tire rolling speed estimation based upon the tire deformation signal; (C) calculating a tire contact patch length estimation based upon the tire deformation signal; (D) calculating a load estimation on the tire based upon the tire inflation pressure, the tire contact patch length estimation, and the tire rolling speed estimation and further comprising: detecting a leading and a trailing contact edge point in the deformation measuring signal using a peak detection algorithm; estimating a peak-to-peak amplitude variation in the deformation signal; calculating the load estimation on the tire based upon the tire inflation pressure, the tire contact patch length estimation, the tire rolling speed estimation, and the peak-to peak amplitude magnitude of the deformation signal to estimate a tire deformation magnitude.