Electricity: measuring and testing – Magnetic – Displacement
Reexamination Certificate
2007-12-28
2009-10-20
Patidar, Jay M (Department: 2858)
Electricity: measuring and testing
Magnetic
Displacement
Reexamination Certificate
active
07605586
ABSTRACT:
The system for determining the absolute angular position θ of a steering wheel (1) of a motor vehicle with respect to the chassis thereof comprises a device for incrementally measuring the relative angular position δ of the steering wheel, a device (2) for measuring the differential velocity ΔV/V of the wheels mounted on the same axle and a processing device (8) for sampling the angular positions and differential velocities at a period t. Said device comprises computing means suitable to determine at moments tn: the estimate θ*(tn) of an absolute angular position θ(tn) according to the differential velocity ΔV/V, the mean difference offset(tn) between the angular positions θ*(tn) and δ(ti), wherein i is a variant ranging from 0 to n and the absolute angular position θ(tn) by the addition between the mean difference offset(tn) and the angular position δ(tn).
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Desbiolles Pascal
Duret Christophe
Arent & Fox LLP
Patidar Jay M
S.N.R. Roulements
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