Method for estimating magnitude of back-and-forth-direction...

Details Method for estimating magnitude of back-and-forth-direction... Method for estimating magnitude of back-and-forth-direction...

2008-03-18

2010-02-23

Dunn, Drew A (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Mechanical measurement system

C702S041000, C073S146400, C073S146500, C073S862044

Reexamination Certificate

active

07668669

ABSTRACT:
A method for estimating the magnitude of a back-and-forth-direction force exerted on a tire comprises: using a plurality of strain sensors fixed to a tire sidewall capable of outputting data on the magnitude of a strain occurred at the position of the strain sensor; reading the output data from the strain sensors when come to fixed measuring positions predetermined around the tire rotational axis; in relation to each of the strain sensors at the respective measuring positions, calculating the back-and-forth-direction force as an intermediate result by the use of the data read from the strain sensor and a relational expression, whereby the intermediate results are obtained from the respective strain sensors; and computing a mean value of only the valid intermediate result(s) so as to output it as the estimated magnitude of the force.

REFERENCES:
patent: 7249498 (2007-07-01), Miyoshi et al.

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