Method and apparatus for evaluating a cornering stability of...

Details Method and apparatus for evaluating a cornering stability of... Method and apparatus for evaluating a cornering stability of...

2006-09-22

2008-12-30

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Tire, tread or roadway

Reexamination Certificate

active

07469578

ABSTRACT:
A method and apparatus derives a change amount in the cumulative value of displacement for the unit of time as a change ratio in tire deformation by using the cumulative value of displacement derived present time and the cumulative value of displacement derived last time, and calculate a rate of change ratio using the change ratio in tire deformation previously calculated as a reference value and the change ratio calculated present time, and determine a cornering stability of the wheel that represents a degree of a margin in which the wheel keeps no sliding and beyond which the wheel start sliding based on the rate of change ratio.

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European Search Report by European Patent Office on Jan. 19, 2007.

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